undo and redo adding new cropper library as it had a .git config from the original project
This commit is contained in:
zotlabs
290
library/cropperjs/src/css/cropper.css
Normal file
290
library/cropperjs/src/css/cropper.css
Normal file
@@ -0,0 +1,290 @@
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:root {
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--blue: #39f;
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}
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.cropper-container {
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direction: ltr;
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font-size: 0;
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line-height: 0;
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position: relative;
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touch-action: none;
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user-select: none;
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& img {
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/* Avoid margin top issue (Occur only when margin-top <= -height) */
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display: block;
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height: 100%;
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image-orientation: 0deg;
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max-height: none !important;
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max-width: none !important;
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min-height: 0 !important;
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min-width: 0 !important;
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width: 100%;
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}
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}
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.cropper-wrap-box,
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.cropper-canvas,
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.cropper-drag-box,
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.cropper-crop-box,
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.cropper-modal {
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bottom: 0;
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left: 0;
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position: absolute;
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right: 0;
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top: 0;
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}
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.cropper-wrap-box,
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.cropper-canvas {
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overflow: hidden;
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}
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.cropper-drag-box {
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background-color: #fff;
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opacity: 0;
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}
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.cropper-modal {
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background-color: #000;
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opacity: .5;
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}
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.cropper-view-box {
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display: block;
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height: 100%;
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outline-color: color(var(--blue) alpha(75%));
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outline: 1px solid var(--blue);
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overflow: hidden;
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width: 100%;
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}
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.cropper-dashed {
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border: 0 dashed #eee;
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display: block;
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opacity: .5;
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position: absolute;
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&.dashed-h {
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border-bottom-width: 1px;
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border-top-width: 1px;
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height: calc(100 / 3)%;
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left: 0;
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top: calc(100 / 3)%;
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width: 100%;
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}
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&.dashed-v {
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border-left-width: 1px;
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border-right-width: 1px;
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height: 100%;
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left: calc(100 / 3)%;
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top: 0;
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width: calc(100 / 3)%;
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}
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}
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.cropper-center {
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display: block;
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height: 0;
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left: 50%;
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opacity: .75;
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position: absolute;
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top: 50%;
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width: 0;
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&:before,
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&:after {
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background-color: #eee;
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content: ' ';
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display: block;
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position: absolute;
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}
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&:before {
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height: 1px;
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left: -3px;
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top: 0;
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width: 7px;
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}
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&:after {
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height: 7px;
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left: 0;
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top: -3px;
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width: 1px;
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}
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}
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.cropper-face,
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.cropper-line,
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.cropper-point {
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display: block;
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height: 100%;
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opacity: .1;
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position: absolute;
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width: 100%;
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}
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.cropper-face {
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background-color: #fff;
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left: 0;
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top: 0;
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}
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.cropper-line {
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background-color: var(--blue);
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&.line-e {
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cursor: ew-resize;
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right: -3px;
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top: 0;
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width: 5px;
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}
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&.line-n {
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cursor: ns-resize;
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height: 5px;
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left: 0;
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top: -3px;
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}
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&.line-w {
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cursor: ew-resize;
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left: -3px;
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top: 0;
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width: 5px;
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}
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&.line-s {
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bottom: -3px;
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cursor: ns-resize;
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height: 5px;
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left: 0;
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}
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}
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.cropper-point {
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background-color: var(--blue);
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height: 5px;
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opacity: .75;
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width: 5px;
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&.point-e {
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cursor: ew-resize;
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margin-top: -3px;
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right: -3px;
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top: 50%;
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}
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&.point-n {
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cursor: ns-resize;
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left: 50%;
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margin-left: -3px;
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top: -3px;
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}
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&.point-w {
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cursor: ew-resize;
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left: -3px;
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margin-top: -3px;
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top: 50%;
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}
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&.point-s {
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bottom: -3px;
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cursor: s-resize;
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left: 50%;
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margin-left: -3px;
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}
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&.point-ne {
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cursor: nesw-resize;
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right: -3px;
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top: -3px;
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}
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&.point-nw {
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cursor: nwse-resize;
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left: -3px;
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top: -3px;
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}
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&.point-sw {
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bottom: -3px;
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cursor: nesw-resize;
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left: -3px;
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}
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&.point-se {
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bottom: -3px;
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cursor: nwse-resize;
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height: 20px;
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opacity: 1;
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right: -3px;
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width: 20px;
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@media (min-width: 768px) {
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height: 15px;
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width: 15px;
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}
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@media (min-width: 992px) {
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height: 10px;
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width: 10px;
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}
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@media (min-width: 1200px) {
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height: 5px;
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opacity: .75;
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width: 5px;
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}
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}
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&.point-se:before {
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background-color: var(--blue);
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bottom: -50%;
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content: ' ';
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display: block;
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height: 200%;
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opacity: 0;
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position: absolute;
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right: -50%;
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width: 200%;
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}
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}
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.cropper-invisible {
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opacity: 0;
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}
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.cropper-bg {
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background-image: url('../images/bg.png');
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}
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.cropper-hide {
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display: block;
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height: 0;
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position: absolute;
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width: 0;
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}
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.cropper-hidden {
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display: none !important;
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}
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.cropper-move {
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cursor: move;
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}
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.cropper-crop {
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cursor: crosshair;
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}
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.cropper-disabled .cropper-drag-box,
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.cropper-disabled .cropper-face,
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.cropper-disabled .cropper-line,
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.cropper-disabled .cropper-point {
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cursor: not-allowed;
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}
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BIN
library/cropperjs/src/images/bg.png
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BIN
library/cropperjs/src/images/bg.png
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Binary file not shown.
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After Width: | Height: | Size: 168 B |
471
library/cropperjs/src/js/change.js
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471
library/cropperjs/src/js/change.js
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@@ -0,0 +1,471 @@
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import {
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ACTION_ALL,
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ACTION_CROP,
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ACTION_EAST,
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ACTION_MOVE,
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ACTION_NORTH,
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ACTION_NORTH_EAST,
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ACTION_NORTH_WEST,
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ACTION_SOUTH,
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ACTION_SOUTH_EAST,
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ACTION_SOUTH_WEST,
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ACTION_WEST,
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ACTION_ZOOM,
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CLASS_HIDDEN,
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} from './constants';
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import {
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each,
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getMaxZoomRatio,
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getOffset,
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removeClass,
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} from './utilities';
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export default {
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change(e) {
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const {
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options,
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canvasData,
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containerData,
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cropBoxData,
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pointers,
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} = this;
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let { action } = this;
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let { aspectRatio } = options;
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let {
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left,
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top,
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width,
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height,
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} = cropBoxData;
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const right = left + width;
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const bottom = top + height;
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let minLeft = 0;
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let minTop = 0;
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let maxWidth = containerData.width;
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let maxHeight = containerData.height;
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let renderable = true;
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let offset;
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// Locking aspect ratio in "free mode" by holding shift key
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if (!aspectRatio && e.shiftKey) {
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aspectRatio = width && height ? width / height : 1;
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}
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if (this.limited) {
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({ minLeft, minTop } = cropBoxData);
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maxWidth = minLeft + Math.min(
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containerData.width,
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canvasData.width,
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canvasData.left + canvasData.width,
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);
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maxHeight = minTop + Math.min(
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containerData.height,
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canvasData.height,
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canvasData.top + canvasData.height,
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);
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}
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const pointer = pointers[Object.keys(pointers)[0]];
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const range = {
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x: pointer.endX - pointer.startX,
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y: pointer.endY - pointer.startY,
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};
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const check = (side) => {
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switch (side) {
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case ACTION_EAST:
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if (right + range.x > maxWidth) {
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range.x = maxWidth - right;
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}
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break;
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case ACTION_WEST:
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if (left + range.x < minLeft) {
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range.x = minLeft - left;
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}
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break;
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case ACTION_NORTH:
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if (top + range.y < minTop) {
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range.y = minTop - top;
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}
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break;
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case ACTION_SOUTH:
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if (bottom + range.y > maxHeight) {
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range.y = maxHeight - bottom;
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}
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break;
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default:
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}
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};
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switch (action) {
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// Move crop box
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case ACTION_ALL:
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left += range.x;
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top += range.y;
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break;
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// Resize crop box
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case ACTION_EAST:
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if (range.x >= 0 && (right >= maxWidth || (aspectRatio &&
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(top <= minTop || bottom >= maxHeight)))) {
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renderable = false;
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break;
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}
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check(ACTION_EAST);
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width += range.x;
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||||
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if (aspectRatio) {
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height = width / aspectRatio;
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top -= (range.x / aspectRatio) / 2;
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}
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if (width < 0) {
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action = ACTION_WEST;
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width = 0;
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}
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break;
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case ACTION_NORTH:
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if (range.y <= 0 && (top <= minTop || (aspectRatio &&
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||||
(left <= minLeft || right >= maxWidth)))) {
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renderable = false;
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||||
break;
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||||
}
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||||
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||||
check(ACTION_NORTH);
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height -= range.y;
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||||
top += range.y;
|
||||
|
||||
if (aspectRatio) {
|
||||
width = height * aspectRatio;
|
||||
left += (range.y * aspectRatio) / 2;
|
||||
}
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||||
|
||||
if (height < 0) {
|
||||
action = ACTION_SOUTH;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
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||||
|
||||
case ACTION_WEST:
|
||||
if (range.x <= 0 && (left <= minLeft || (aspectRatio &&
|
||||
(top <= minTop || bottom >= maxHeight)))) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_WEST);
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
|
||||
if (aspectRatio) {
|
||||
height = width / aspectRatio;
|
||||
top += (range.x / aspectRatio) / 2;
|
||||
}
|
||||
|
||||
if (width < 0) {
|
||||
action = ACTION_EAST;
|
||||
width = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case ACTION_SOUTH:
|
||||
if (range.y >= 0 && (bottom >= maxHeight || (aspectRatio &&
|
||||
(left <= minLeft || right >= maxWidth)))) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_SOUTH);
|
||||
height += range.y;
|
||||
|
||||
if (aspectRatio) {
|
||||
width = height * aspectRatio;
|
||||
left -= (range.y * aspectRatio) / 2;
|
||||
}
|
||||
|
||||
if (height < 0) {
|
||||
action = ACTION_NORTH;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case ACTION_NORTH_EAST:
|
||||
if (aspectRatio) {
|
||||
if (range.y <= 0 && (top <= minTop || right >= maxWidth)) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_NORTH);
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
width = height * aspectRatio;
|
||||
} else {
|
||||
check(ACTION_NORTH);
|
||||
check(ACTION_EAST);
|
||||
|
||||
if (range.x >= 0) {
|
||||
if (right < maxWidth) {
|
||||
width += range.x;
|
||||
} else if (range.y <= 0 && top <= minTop) {
|
||||
renderable = false;
|
||||
}
|
||||
} else {
|
||||
width += range.x;
|
||||
}
|
||||
|
||||
if (range.y <= 0) {
|
||||
if (top > minTop) {
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
}
|
||||
} else {
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
}
|
||||
}
|
||||
|
||||
if (width < 0 && height < 0) {
|
||||
action = ACTION_SOUTH_WEST;
|
||||
height = 0;
|
||||
width = 0;
|
||||
} else if (width < 0) {
|
||||
action = ACTION_NORTH_WEST;
|
||||
width = 0;
|
||||
} else if (height < 0) {
|
||||
action = ACTION_SOUTH_EAST;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case ACTION_NORTH_WEST:
|
||||
if (aspectRatio) {
|
||||
if (range.y <= 0 && (top <= minTop || left <= minLeft)) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_NORTH);
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
width = height * aspectRatio;
|
||||
left += range.y * aspectRatio;
|
||||
} else {
|
||||
check(ACTION_NORTH);
|
||||
check(ACTION_WEST);
|
||||
|
||||
if (range.x <= 0) {
|
||||
if (left > minLeft) {
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
} else if (range.y <= 0 && top <= minTop) {
|
||||
renderable = false;
|
||||
}
|
||||
} else {
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
}
|
||||
|
||||
if (range.y <= 0) {
|
||||
if (top > minTop) {
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
}
|
||||
} else {
|
||||
height -= range.y;
|
||||
top += range.y;
|
||||
}
|
||||
}
|
||||
|
||||
if (width < 0 && height < 0) {
|
||||
action = ACTION_SOUTH_EAST;
|
||||
height = 0;
|
||||
width = 0;
|
||||
} else if (width < 0) {
|
||||
action = ACTION_NORTH_EAST;
|
||||
width = 0;
|
||||
} else if (height < 0) {
|
||||
action = ACTION_SOUTH_WEST;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case ACTION_SOUTH_WEST:
|
||||
if (aspectRatio) {
|
||||
if (range.x <= 0 && (left <= minLeft || bottom >= maxHeight)) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_WEST);
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
height = width / aspectRatio;
|
||||
} else {
|
||||
check(ACTION_SOUTH);
|
||||
check(ACTION_WEST);
|
||||
|
||||
if (range.x <= 0) {
|
||||
if (left > minLeft) {
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
} else if (range.y >= 0 && bottom >= maxHeight) {
|
||||
renderable = false;
|
||||
}
|
||||
} else {
|
||||
width -= range.x;
|
||||
left += range.x;
|
||||
}
|
||||
|
||||
if (range.y >= 0) {
|
||||
if (bottom < maxHeight) {
|
||||
height += range.y;
|
||||
}
|
||||
} else {
|
||||
height += range.y;
|
||||
}
|
||||
}
|
||||
|
||||
if (width < 0 && height < 0) {
|
||||
action = ACTION_NORTH_EAST;
|
||||
height = 0;
|
||||
width = 0;
|
||||
} else if (width < 0) {
|
||||
action = ACTION_SOUTH_EAST;
|
||||
width = 0;
|
||||
} else if (height < 0) {
|
||||
action = ACTION_NORTH_WEST;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
case ACTION_SOUTH_EAST:
|
||||
if (aspectRatio) {
|
||||
if (range.x >= 0 && (right >= maxWidth || bottom >= maxHeight)) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
check(ACTION_EAST);
|
||||
width += range.x;
|
||||
height = width / aspectRatio;
|
||||
} else {
|
||||
check(ACTION_SOUTH);
|
||||
check(ACTION_EAST);
|
||||
|
||||
if (range.x >= 0) {
|
||||
if (right < maxWidth) {
|
||||
width += range.x;
|
||||
} else if (range.y >= 0 && bottom >= maxHeight) {
|
||||
renderable = false;
|
||||
}
|
||||
} else {
|
||||
width += range.x;
|
||||
}
|
||||
|
||||
if (range.y >= 0) {
|
||||
if (bottom < maxHeight) {
|
||||
height += range.y;
|
||||
}
|
||||
} else {
|
||||
height += range.y;
|
||||
}
|
||||
}
|
||||
|
||||
if (width < 0 && height < 0) {
|
||||
action = ACTION_NORTH_WEST;
|
||||
height = 0;
|
||||
width = 0;
|
||||
} else if (width < 0) {
|
||||
action = ACTION_SOUTH_WEST;
|
||||
width = 0;
|
||||
} else if (height < 0) {
|
||||
action = ACTION_NORTH_EAST;
|
||||
height = 0;
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
// Move canvas
|
||||
case ACTION_MOVE:
|
||||
this.move(range.x, range.y);
|
||||
renderable = false;
|
||||
break;
|
||||
|
||||
// Zoom canvas
|
||||
case ACTION_ZOOM:
|
||||
this.zoom(getMaxZoomRatio(pointers), e);
|
||||
renderable = false;
|
||||
break;
|
||||
|
||||
// Create crop box
|
||||
case ACTION_CROP:
|
||||
if (!range.x || !range.y) {
|
||||
renderable = false;
|
||||
break;
|
||||
}
|
||||
|
||||
offset = getOffset(this.cropper);
|
||||
left = pointer.startX - offset.left;
|
||||
top = pointer.startY - offset.top;
|
||||
width = cropBoxData.minWidth;
|
||||
height = cropBoxData.minHeight;
|
||||
|
||||
if (range.x > 0) {
|
||||
action = range.y > 0 ? ACTION_SOUTH_EAST : ACTION_NORTH_EAST;
|
||||
} else if (range.x < 0) {
|
||||
left -= width;
|
||||
action = range.y > 0 ? ACTION_SOUTH_WEST : ACTION_NORTH_WEST;
|
||||
}
|
||||
|
||||
if (range.y < 0) {
|
||||
top -= height;
|
||||
}
|
||||
|
||||
// Show the crop box if is hidden
|
||||
if (!this.cropped) {
|
||||
removeClass(this.cropBox, CLASS_HIDDEN);
|
||||
this.cropped = true;
|
||||
|
||||
if (this.limited) {
|
||||
this.limitCropBox(true, true);
|
||||
}
|
||||
}
|
||||
|
||||
break;
|
||||
|
||||
default:
|
||||
}
|
||||
|
||||
if (renderable) {
|
||||
cropBoxData.width = width;
|
||||
cropBoxData.height = height;
|
||||
cropBoxData.left = left;
|
||||
cropBoxData.top = top;
|
||||
this.action = action;
|
||||
this.renderCropBox();
|
||||
}
|
||||
|
||||
// Override
|
||||
each(pointers, (p) => {
|
||||
p.startX = p.endX;
|
||||
p.startY = p.endY;
|
||||
});
|
||||
},
|
||||
};
|
||||
56
library/cropperjs/src/js/constants.js
Normal file
56
library/cropperjs/src/js/constants.js
Normal file
@@ -0,0 +1,56 @@
|
||||
export const WINDOW = typeof window !== 'undefined' ? window : {};
|
||||
export const NAMESPACE = 'cropper';
|
||||
|
||||
// Actions
|
||||
export const ACTION_ALL = 'all';
|
||||
export const ACTION_CROP = 'crop';
|
||||
export const ACTION_MOVE = 'move';
|
||||
export const ACTION_ZOOM = 'zoom';
|
||||
export const ACTION_EAST = 'e';
|
||||
export const ACTION_WEST = 'w';
|
||||
export const ACTION_SOUTH = 's';
|
||||
export const ACTION_NORTH = 'n';
|
||||
export const ACTION_NORTH_EAST = 'ne';
|
||||
export const ACTION_NORTH_WEST = 'nw';
|
||||
export const ACTION_SOUTH_EAST = 'se';
|
||||
export const ACTION_SOUTH_WEST = 'sw';
|
||||
|
||||
// Classes
|
||||
export const CLASS_CROP = `${NAMESPACE}-crop`;
|
||||
export const CLASS_DISABLED = `${NAMESPACE}-disabled`;
|
||||
export const CLASS_HIDDEN = `${NAMESPACE}-hidden`;
|
||||
export const CLASS_HIDE = `${NAMESPACE}-hide`;
|
||||
export const CLASS_INVISIBLE = `${NAMESPACE}-invisible`;
|
||||
export const CLASS_MODAL = `${NAMESPACE}-modal`;
|
||||
export const CLASS_MOVE = `${NAMESPACE}-move`;
|
||||
|
||||
// Data keys
|
||||
export const DATA_ACTION = 'action';
|
||||
export const DATA_PREVIEW = 'preview';
|
||||
|
||||
// Drag modes
|
||||
export const DRAG_MODE_CROP = 'crop';
|
||||
export const DRAG_MODE_MOVE = 'move';
|
||||
export const DRAG_MODE_NONE = 'none';
|
||||
|
||||
// Events
|
||||
export const EVENT_CROP = 'crop';
|
||||
export const EVENT_CROP_END = 'cropend';
|
||||
export const EVENT_CROP_MOVE = 'cropmove';
|
||||
export const EVENT_CROP_START = 'cropstart';
|
||||
export const EVENT_DBLCLICK = 'dblclick';
|
||||
export const EVENT_ERROR = 'error';
|
||||
export const EVENT_LOAD = 'load';
|
||||
export const EVENT_POINTER_DOWN = WINDOW.PointerEvent ? 'pointerdown' : 'touchstart mousedown';
|
||||
export const EVENT_POINTER_MOVE = WINDOW.PointerEvent ? 'pointermove' : 'touchmove mousemove';
|
||||
export const EVENT_POINTER_UP = WINDOW.PointerEvent ? 'pointerup pointercancel' : 'touchend touchcancel mouseup';
|
||||
export const EVENT_READY = 'ready';
|
||||
export const EVENT_RESIZE = 'resize';
|
||||
export const EVENT_WHEEL = 'wheel mousewheel DOMMouseScroll';
|
||||
export const EVENT_ZOOM = 'zoom';
|
||||
|
||||
// RegExps
|
||||
export const REGEXP_ACTIONS = /^(?:e|w|s|n|se|sw|ne|nw|all|crop|move|zoom)$/;
|
||||
export const REGEXP_DATA_URL = /^data:/;
|
||||
export const REGEXP_DATA_URL_JPEG = /^data:image\/jpeg;base64,/;
|
||||
export const REGEXP_TAG_NAME = /^(?:img|canvas)$/i;
|
||||
421
library/cropperjs/src/js/cropper.js
Normal file
421
library/cropperjs/src/js/cropper.js
Normal file
@@ -0,0 +1,421 @@
|
||||
import DEFAULTS from './defaults';
|
||||
import TEMPLATE from './template';
|
||||
import render from './render';
|
||||
import preview from './preview';
|
||||
import events from './events';
|
||||
import handlers from './handlers';
|
||||
import change from './change';
|
||||
import methods from './methods';
|
||||
import {
|
||||
ACTION_ALL,
|
||||
CLASS_HIDDEN,
|
||||
CLASS_HIDE,
|
||||
CLASS_INVISIBLE,
|
||||
CLASS_MODAL,
|
||||
CLASS_MOVE,
|
||||
DATA_ACTION,
|
||||
EVENT_CROP,
|
||||
EVENT_ERROR,
|
||||
EVENT_LOAD,
|
||||
EVENT_READY,
|
||||
NAMESPACE,
|
||||
REGEXP_DATA_URL,
|
||||
REGEXP_DATA_URL_JPEG,
|
||||
REGEXP_TAG_NAME,
|
||||
WINDOW,
|
||||
} from './constants';
|
||||
import {
|
||||
addClass,
|
||||
addListener,
|
||||
addTimestamp,
|
||||
arrayBufferToDataURL,
|
||||
dataURLToArrayBuffer,
|
||||
dispatchEvent,
|
||||
extend,
|
||||
getData,
|
||||
getImageNaturalSizes,
|
||||
getOrientation,
|
||||
isCrossOriginURL,
|
||||
isFunction,
|
||||
isPlainObject,
|
||||
parseOrientation,
|
||||
proxy,
|
||||
removeClass,
|
||||
removeListener,
|
||||
setData,
|
||||
} from './utilities';
|
||||
|
||||
const AnotherCropper = WINDOW.Cropper;
|
||||
|
||||
class Cropper {
|
||||
/**
|
||||
* Create a new Cropper.
|
||||
* @param {Element} element - The target element for cropping.
|
||||
* @param {Object} [options={}] - The configuration options.
|
||||
*/
|
||||
constructor(element, options = {}) {
|
||||
if (!element || !REGEXP_TAG_NAME.test(element.tagName)) {
|
||||
throw new Error('The first argument is required and must be an <img> or <canvas> element.');
|
||||
}
|
||||
|
||||
this.element = element;
|
||||
this.options = extend({}, DEFAULTS, isPlainObject(options) && options);
|
||||
this.complete = false;
|
||||
this.cropped = false;
|
||||
this.disabled = false;
|
||||
this.isImg = false;
|
||||
this.limited = false;
|
||||
this.loaded = false;
|
||||
this.ready = false;
|
||||
this.replaced = false;
|
||||
this.wheeling = false;
|
||||
this.originalUrl = '';
|
||||
this.canvasData = null;
|
||||
this.cropBoxData = null;
|
||||
this.previews = null;
|
||||
this.pointers = {};
|
||||
this.init();
|
||||
}
|
||||
|
||||
init() {
|
||||
const { element } = this;
|
||||
const tagName = element.tagName.toLowerCase();
|
||||
let url;
|
||||
|
||||
if (getData(element, NAMESPACE)) {
|
||||
return;
|
||||
}
|
||||
|
||||
setData(element, NAMESPACE, this);
|
||||
|
||||
if (tagName === 'img') {
|
||||
this.isImg = true;
|
||||
|
||||
// e.g.: "img/picture.jpg"
|
||||
url = element.getAttribute('src') || '';
|
||||
this.originalUrl = url;
|
||||
|
||||
// Stop when it's a blank image
|
||||
if (!url) {
|
||||
return;
|
||||
}
|
||||
|
||||
// e.g.: "http://example.com/img/picture.jpg"
|
||||
url = element.src;
|
||||
} else if (tagName === 'canvas' && window.HTMLCanvasElement) {
|
||||
url = element.toDataURL();
|
||||
}
|
||||
|
||||
this.load(url);
|
||||
}
|
||||
|
||||
load(url) {
|
||||
if (!url) {
|
||||
return;
|
||||
}
|
||||
|
||||
this.url = url;
|
||||
this.imageData = {};
|
||||
|
||||
const { element, options } = this;
|
||||
|
||||
if (!options.checkOrientation || !window.ArrayBuffer) {
|
||||
this.clone();
|
||||
return;
|
||||
}
|
||||
|
||||
// XMLHttpRequest disallows to open a Data URL in some browsers like IE11 and Safari
|
||||
if (REGEXP_DATA_URL.test(url)) {
|
||||
if (REGEXP_DATA_URL_JPEG.test(url)) {
|
||||
this.read(dataURLToArrayBuffer(url));
|
||||
} else {
|
||||
this.clone();
|
||||
}
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
const xhr = new XMLHttpRequest();
|
||||
|
||||
xhr.onerror = () => {
|
||||
this.clone();
|
||||
};
|
||||
|
||||
xhr.onload = () => {
|
||||
this.read(xhr.response);
|
||||
};
|
||||
|
||||
// Bust cache when there is a "crossOrigin" property
|
||||
if (options.checkCrossOrigin && isCrossOriginURL(url) && element.crossOrigin) {
|
||||
url = addTimestamp(url);
|
||||
}
|
||||
|
||||
xhr.open('get', url);
|
||||
xhr.responseType = 'arraybuffer';
|
||||
xhr.withCredentials = element.crossOrigin === 'use-credentials';
|
||||
xhr.send();
|
||||
}
|
||||
|
||||
read(arrayBuffer) {
|
||||
const { options, imageData } = this;
|
||||
const orientation = getOrientation(arrayBuffer);
|
||||
let rotate = 0;
|
||||
let scaleX = 1;
|
||||
let scaleY = 1;
|
||||
|
||||
if (orientation > 1) {
|
||||
this.url = arrayBufferToDataURL(arrayBuffer, 'image/jpeg');
|
||||
({ rotate, scaleX, scaleY } = parseOrientation(orientation));
|
||||
}
|
||||
|
||||
if (options.rotatable) {
|
||||
imageData.rotate = rotate;
|
||||
}
|
||||
|
||||
if (options.scalable) {
|
||||
imageData.scaleX = scaleX;
|
||||
imageData.scaleY = scaleY;
|
||||
}
|
||||
|
||||
this.clone();
|
||||
}
|
||||
|
||||
clone() {
|
||||
const { element, url } = this;
|
||||
let crossOrigin;
|
||||
let crossOriginUrl;
|
||||
|
||||
if (this.options.checkCrossOrigin && isCrossOriginURL(url)) {
|
||||
({ crossOrigin } = element);
|
||||
|
||||
if (crossOrigin) {
|
||||
crossOriginUrl = url;
|
||||
} else {
|
||||
crossOrigin = 'anonymous';
|
||||
|
||||
// Bust cache when there is not a "crossOrigin" property
|
||||
crossOriginUrl = addTimestamp(url);
|
||||
}
|
||||
}
|
||||
|
||||
this.crossOrigin = crossOrigin;
|
||||
this.crossOriginUrl = crossOriginUrl;
|
||||
|
||||
const image = document.createElement('img');
|
||||
|
||||
if (crossOrigin) {
|
||||
image.crossOrigin = crossOrigin;
|
||||
}
|
||||
|
||||
image.src = crossOriginUrl || url;
|
||||
|
||||
const start = proxy(this.start, this);
|
||||
const stop = proxy(this.stop, this);
|
||||
|
||||
this.image = image;
|
||||
this.onStart = start;
|
||||
this.onStop = stop;
|
||||
|
||||
if (this.isImg) {
|
||||
if (element.complete) {
|
||||
this.start();
|
||||
} else {
|
||||
addListener(element, EVENT_LOAD, start);
|
||||
}
|
||||
} else {
|
||||
addListener(image, EVENT_LOAD, start);
|
||||
addListener(image, EVENT_ERROR, stop);
|
||||
addClass(image, CLASS_HIDE);
|
||||
element.parentNode.insertBefore(image, element.nextSibling);
|
||||
}
|
||||
}
|
||||
|
||||
start(event) {
|
||||
const image = this.isImg ? this.element : this.image;
|
||||
|
||||
if (event) {
|
||||
removeListener(image, EVENT_LOAD, this.onStart);
|
||||
removeListener(image, EVENT_ERROR, this.onStop);
|
||||
}
|
||||
|
||||
getImageNaturalSizes(image, (naturalWidth, naturalHeight) => {
|
||||
extend(this.imageData, {
|
||||
naturalWidth,
|
||||
naturalHeight,
|
||||
aspectRatio: naturalWidth / naturalHeight,
|
||||
});
|
||||
this.loaded = true;
|
||||
this.build();
|
||||
});
|
||||
}
|
||||
|
||||
stop() {
|
||||
const { image } = this;
|
||||
|
||||
removeListener(image, EVENT_LOAD, this.onStart);
|
||||
removeListener(image, EVENT_ERROR, this.onStop);
|
||||
image.parentNode.removeChild(image);
|
||||
this.image = null;
|
||||
}
|
||||
|
||||
build() {
|
||||
if (!this.loaded) {
|
||||
return;
|
||||
}
|
||||
|
||||
// Unbuild first when replace
|
||||
if (this.ready) {
|
||||
this.unbuild();
|
||||
}
|
||||
|
||||
const { element, options, image } = this;
|
||||
|
||||
// Create cropper elements
|
||||
const container = element.parentNode;
|
||||
const template = document.createElement('div');
|
||||
|
||||
template.innerHTML = TEMPLATE;
|
||||
|
||||
const cropper = template.querySelector(`.${NAMESPACE}-container`);
|
||||
const canvas = cropper.querySelector(`.${NAMESPACE}-canvas`);
|
||||
const dragBox = cropper.querySelector(`.${NAMESPACE}-drag-box`);
|
||||
const cropBox = cropper.querySelector(`.${NAMESPACE}-crop-box`);
|
||||
const face = cropBox.querySelector(`.${NAMESPACE}-face`);
|
||||
|
||||
this.container = container;
|
||||
this.cropper = cropper;
|
||||
this.canvas = canvas;
|
||||
this.dragBox = dragBox;
|
||||
this.cropBox = cropBox;
|
||||
this.viewBox = cropper.querySelector(`.${NAMESPACE}-view-box`);
|
||||
this.face = face;
|
||||
|
||||
canvas.appendChild(image);
|
||||
|
||||
// Hide the original image
|
||||
addClass(element, CLASS_HIDDEN);
|
||||
|
||||
// Inserts the cropper after to the current image
|
||||
container.insertBefore(cropper, element.nextSibling);
|
||||
|
||||
// Show the image if is hidden
|
||||
if (!this.isImg) {
|
||||
removeClass(image, CLASS_HIDE);
|
||||
}
|
||||
|
||||
this.initPreview();
|
||||
this.bind();
|
||||
|
||||
options.aspectRatio = Math.max(0, options.aspectRatio) || NaN;
|
||||
options.viewMode = Math.max(0, Math.min(3, Math.round(options.viewMode))) || 0;
|
||||
|
||||
this.cropped = options.autoCrop;
|
||||
|
||||
if (options.autoCrop) {
|
||||
if (options.modal) {
|
||||
addClass(dragBox, CLASS_MODAL);
|
||||
}
|
||||
} else {
|
||||
addClass(cropBox, CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
if (!options.guides) {
|
||||
addClass(cropBox.getElementsByClassName(`${NAMESPACE}-dashed`), CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
if (!options.center) {
|
||||
addClass(cropBox.getElementsByClassName(`${NAMESPACE}-center`), CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
if (options.background) {
|
||||
addClass(cropper, `${NAMESPACE}-bg`);
|
||||
}
|
||||
|
||||
if (!options.highlight) {
|
||||
addClass(face, CLASS_INVISIBLE);
|
||||
}
|
||||
|
||||
if (options.cropBoxMovable) {
|
||||
addClass(face, CLASS_MOVE);
|
||||
setData(face, DATA_ACTION, ACTION_ALL);
|
||||
}
|
||||
|
||||
if (!options.cropBoxResizable) {
|
||||
addClass(cropBox.getElementsByClassName(`${NAMESPACE}-line`), CLASS_HIDDEN);
|
||||
addClass(cropBox.getElementsByClassName(`${NAMESPACE}-point`), CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
this.setDragMode(options.dragMode);
|
||||
this.render();
|
||||
this.ready = true;
|
||||
this.setData(options.data);
|
||||
|
||||
// Call the "ready" option asynchronously to keep "image.cropper" is defined
|
||||
this.completing = setTimeout(() => {
|
||||
if (isFunction(options.ready)) {
|
||||
addListener(element, EVENT_READY, options.ready, {
|
||||
once: true,
|
||||
});
|
||||
}
|
||||
|
||||
dispatchEvent(element, EVENT_READY);
|
||||
dispatchEvent(element, EVENT_CROP, this.getData());
|
||||
|
||||
this.complete = true;
|
||||
}, 0);
|
||||
}
|
||||
|
||||
unbuild() {
|
||||
if (!this.ready) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!this.complete) {
|
||||
clearTimeout(this.completing);
|
||||
}
|
||||
|
||||
this.ready = false;
|
||||
this.complete = false;
|
||||
this.initialImageData = null;
|
||||
|
||||
// Clear `initialCanvasData` is necessary when replace
|
||||
this.initialCanvasData = null;
|
||||
this.initialCropBoxData = null;
|
||||
this.containerData = null;
|
||||
this.canvasData = null;
|
||||
|
||||
// Clear `cropBoxData` is necessary when replace
|
||||
this.cropBoxData = null;
|
||||
this.unbind();
|
||||
this.resetPreview();
|
||||
this.previews = null;
|
||||
this.viewBox = null;
|
||||
this.cropBox = null;
|
||||
this.dragBox = null;
|
||||
this.canvas = null;
|
||||
this.container = null;
|
||||
this.cropper.parentNode.removeChild(this.cropper);
|
||||
this.cropper = null;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the no conflict cropper class.
|
||||
* @returns {Cropper} The cropper class.
|
||||
*/
|
||||
static noConflict() {
|
||||
window.Cropper = AnotherCropper;
|
||||
return Cropper;
|
||||
}
|
||||
|
||||
/**
|
||||
* Change the default options.
|
||||
* @param {Object} options - The new default options.
|
||||
*/
|
||||
static setDefaults(options) {
|
||||
extend(DEFAULTS, isPlainObject(options) && options);
|
||||
}
|
||||
}
|
||||
|
||||
extend(Cropper.prototype, render, preview, events, handlers, change, methods);
|
||||
|
||||
export default Cropper;
|
||||
99
library/cropperjs/src/js/defaults.js
Normal file
99
library/cropperjs/src/js/defaults.js
Normal file
@@ -0,0 +1,99 @@
|
||||
import {
|
||||
DRAG_MODE_CROP,
|
||||
} from './constants';
|
||||
|
||||
export default {
|
||||
// Define the view mode of the cropper
|
||||
viewMode: 0, // 0, 1, 2, 3
|
||||
|
||||
// Define the dragging mode of the cropper
|
||||
dragMode: DRAG_MODE_CROP, // 'crop', 'move' or 'none'
|
||||
|
||||
// Define the aspect ratio of the crop box
|
||||
aspectRatio: NaN,
|
||||
|
||||
// An object with the previous cropping result data
|
||||
data: null,
|
||||
|
||||
// A selector for adding extra containers to preview
|
||||
preview: '',
|
||||
|
||||
// Re-render the cropper when resize the window
|
||||
responsive: true,
|
||||
|
||||
// Restore the cropped area after resize the window
|
||||
restore: true,
|
||||
|
||||
// Check if the current image is a cross-origin image
|
||||
checkCrossOrigin: true,
|
||||
|
||||
// Check the current image's Exif Orientation information
|
||||
checkOrientation: true,
|
||||
|
||||
// Show the black modal
|
||||
modal: true,
|
||||
|
||||
// Show the dashed lines for guiding
|
||||
guides: true,
|
||||
|
||||
// Show the center indicator for guiding
|
||||
center: true,
|
||||
|
||||
// Show the white modal to highlight the crop box
|
||||
highlight: true,
|
||||
|
||||
// Show the grid background
|
||||
background: true,
|
||||
|
||||
// Enable to crop the image automatically when initialize
|
||||
autoCrop: true,
|
||||
|
||||
// Define the percentage of automatic cropping area when initializes
|
||||
autoCropArea: 0.8,
|
||||
|
||||
// Enable to move the image
|
||||
movable: true,
|
||||
|
||||
// Enable to rotate the image
|
||||
rotatable: true,
|
||||
|
||||
// Enable to scale the image
|
||||
scalable: true,
|
||||
|
||||
// Enable to zoom the image
|
||||
zoomable: true,
|
||||
|
||||
// Enable to zoom the image by dragging touch
|
||||
zoomOnTouch: true,
|
||||
|
||||
// Enable to zoom the image by wheeling mouse
|
||||
zoomOnWheel: true,
|
||||
|
||||
// Define zoom ratio when zoom the image by wheeling mouse
|
||||
wheelZoomRatio: 0.1,
|
||||
|
||||
// Enable to move the crop box
|
||||
cropBoxMovable: true,
|
||||
|
||||
// Enable to resize the crop box
|
||||
cropBoxResizable: true,
|
||||
|
||||
// Toggle drag mode between "crop" and "move" when click twice on the cropper
|
||||
toggleDragModeOnDblclick: true,
|
||||
|
||||
// Size limitation
|
||||
minCanvasWidth: 0,
|
||||
minCanvasHeight: 0,
|
||||
minCropBoxWidth: 0,
|
||||
minCropBoxHeight: 0,
|
||||
minContainerWidth: 200,
|
||||
minContainerHeight: 100,
|
||||
|
||||
// Shortcuts of events
|
||||
ready: null,
|
||||
cropstart: null,
|
||||
cropmove: null,
|
||||
cropend: null,
|
||||
crop: null,
|
||||
zoom: null,
|
||||
};
|
||||
111
library/cropperjs/src/js/events.js
Normal file
111
library/cropperjs/src/js/events.js
Normal file
@@ -0,0 +1,111 @@
|
||||
import {
|
||||
EVENT_CROP,
|
||||
EVENT_CROP_END,
|
||||
EVENT_CROP_MOVE,
|
||||
EVENT_CROP_START,
|
||||
EVENT_DBLCLICK,
|
||||
EVENT_POINTER_DOWN,
|
||||
EVENT_POINTER_MOVE,
|
||||
EVENT_POINTER_UP,
|
||||
EVENT_RESIZE,
|
||||
EVENT_WHEEL,
|
||||
EVENT_ZOOM,
|
||||
} from './constants';
|
||||
import {
|
||||
addListener,
|
||||
isFunction,
|
||||
proxy,
|
||||
removeListener,
|
||||
} from './utilities';
|
||||
|
||||
export default {
|
||||
bind() {
|
||||
const { element, options, cropper } = this;
|
||||
|
||||
if (isFunction(options.cropstart)) {
|
||||
addListener(element, EVENT_CROP_START, options.cropstart);
|
||||
}
|
||||
|
||||
if (isFunction(options.cropmove)) {
|
||||
addListener(element, EVENT_CROP_MOVE, options.cropmove);
|
||||
}
|
||||
|
||||
if (isFunction(options.cropend)) {
|
||||
addListener(element, EVENT_CROP_END, options.cropend);
|
||||
}
|
||||
|
||||
if (isFunction(options.crop)) {
|
||||
addListener(element, EVENT_CROP, options.crop);
|
||||
}
|
||||
|
||||
if (isFunction(options.zoom)) {
|
||||
addListener(element, EVENT_ZOOM, options.zoom);
|
||||
}
|
||||
|
||||
addListener(cropper, EVENT_POINTER_DOWN, (this.onCropStart = proxy(this.cropStart, this)));
|
||||
|
||||
if (options.zoomable && options.zoomOnWheel) {
|
||||
addListener(cropper, EVENT_WHEEL, (this.onWheel = proxy(this.wheel, this)));
|
||||
}
|
||||
|
||||
if (options.toggleDragModeOnDblclick) {
|
||||
addListener(cropper, EVENT_DBLCLICK, (this.onDblclick = proxy(this.dblclick, this)));
|
||||
}
|
||||
|
||||
addListener(
|
||||
element.ownerDocument,
|
||||
EVENT_POINTER_MOVE,
|
||||
(this.onCropMove = proxy(this.cropMove, this)),
|
||||
);
|
||||
addListener(
|
||||
element.ownerDocument,
|
||||
EVENT_POINTER_UP,
|
||||
(this.onCropEnd = proxy(this.cropEnd, this)),
|
||||
);
|
||||
|
||||
if (options.responsive) {
|
||||
addListener(window, EVENT_RESIZE, (this.onResize = proxy(this.resize, this)));
|
||||
}
|
||||
},
|
||||
|
||||
unbind() {
|
||||
const { element, options, cropper } = this;
|
||||
|
||||
if (isFunction(options.cropstart)) {
|
||||
removeListener(element, EVENT_CROP_START, options.cropstart);
|
||||
}
|
||||
|
||||
if (isFunction(options.cropmove)) {
|
||||
removeListener(element, EVENT_CROP_MOVE, options.cropmove);
|
||||
}
|
||||
|
||||
if (isFunction(options.cropend)) {
|
||||
removeListener(element, EVENT_CROP_END, options.cropend);
|
||||
}
|
||||
|
||||
if (isFunction(options.crop)) {
|
||||
removeListener(element, EVENT_CROP, options.crop);
|
||||
}
|
||||
|
||||
if (isFunction(options.zoom)) {
|
||||
removeListener(element, EVENT_ZOOM, options.zoom);
|
||||
}
|
||||
|
||||
removeListener(cropper, EVENT_POINTER_DOWN, this.onCropStart);
|
||||
|
||||
if (options.zoomable && options.zoomOnWheel) {
|
||||
removeListener(cropper, EVENT_WHEEL, this.onWheel);
|
||||
}
|
||||
|
||||
if (options.toggleDragModeOnDblclick) {
|
||||
removeListener(cropper, EVENT_DBLCLICK, this.onDblclick);
|
||||
}
|
||||
|
||||
removeListener(element.ownerDocument, EVENT_POINTER_MOVE, this.onCropMove);
|
||||
removeListener(element.ownerDocument, EVENT_POINTER_UP, this.onCropEnd);
|
||||
|
||||
if (options.responsive) {
|
||||
removeListener(window, EVENT_RESIZE, this.onResize);
|
||||
}
|
||||
},
|
||||
};
|
||||
212
library/cropperjs/src/js/handlers.js
Normal file
212
library/cropperjs/src/js/handlers.js
Normal file
@@ -0,0 +1,212 @@
|
||||
import {
|
||||
ACTION_CROP,
|
||||
ACTION_ZOOM,
|
||||
CLASS_CROP,
|
||||
CLASS_MODAL,
|
||||
DATA_ACTION,
|
||||
DRAG_MODE_CROP,
|
||||
DRAG_MODE_MOVE,
|
||||
DRAG_MODE_NONE,
|
||||
EVENT_CROP_END,
|
||||
EVENT_CROP_MOVE,
|
||||
EVENT_CROP_START,
|
||||
REGEXP_ACTIONS,
|
||||
} from './constants';
|
||||
import {
|
||||
addClass,
|
||||
dispatchEvent,
|
||||
each,
|
||||
extend,
|
||||
getData,
|
||||
getPointer,
|
||||
hasClass,
|
||||
toggleClass,
|
||||
} from './utilities';
|
||||
|
||||
export default {
|
||||
resize() {
|
||||
const { options, container, containerData } = this;
|
||||
const minContainerWidth = Number(options.minContainerWidth) || 200;
|
||||
const minContainerHeight = Number(options.minContainerHeight) || 100;
|
||||
|
||||
if (this.disabled || containerData.width <= minContainerWidth ||
|
||||
containerData.height <= minContainerHeight) {
|
||||
return;
|
||||
}
|
||||
|
||||
const ratio = container.offsetWidth / containerData.width;
|
||||
|
||||
// Resize when width changed or height changed
|
||||
if (ratio !== 1 || container.offsetHeight !== containerData.height) {
|
||||
let canvasData;
|
||||
let cropBoxData;
|
||||
|
||||
if (options.restore) {
|
||||
canvasData = this.getCanvasData();
|
||||
cropBoxData = this.getCropBoxData();
|
||||
}
|
||||
|
||||
this.render();
|
||||
|
||||
if (options.restore) {
|
||||
this.setCanvasData(each(canvasData, (n, i) => {
|
||||
canvasData[i] = n * ratio;
|
||||
}));
|
||||
this.setCropBoxData(each(cropBoxData, (n, i) => {
|
||||
cropBoxData[i] = n * ratio;
|
||||
}));
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
dblclick() {
|
||||
if (this.disabled || this.options.dragMode === DRAG_MODE_NONE) {
|
||||
return;
|
||||
}
|
||||
|
||||
this.setDragMode(hasClass(this.dragBox, CLASS_CROP) ? DRAG_MODE_MOVE : DRAG_MODE_CROP);
|
||||
},
|
||||
|
||||
wheel(e) {
|
||||
const ratio = Number(this.options.wheelZoomRatio) || 0.1;
|
||||
let delta = 1;
|
||||
|
||||
if (this.disabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
e.preventDefault();
|
||||
|
||||
// Limit wheel speed to prevent zoom too fast (#21)
|
||||
if (this.wheeling) {
|
||||
return;
|
||||
}
|
||||
|
||||
this.wheeling = true;
|
||||
|
||||
setTimeout(() => {
|
||||
this.wheeling = false;
|
||||
}, 50);
|
||||
|
||||
if (e.deltaY) {
|
||||
delta = e.deltaY > 0 ? 1 : -1;
|
||||
} else if (e.wheelDelta) {
|
||||
delta = -e.wheelDelta / 120;
|
||||
} else if (e.detail) {
|
||||
delta = e.detail > 0 ? 1 : -1;
|
||||
}
|
||||
|
||||
this.zoom(-delta * ratio, e);
|
||||
},
|
||||
|
||||
cropStart(e) {
|
||||
if (this.disabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
const { options, pointers } = this;
|
||||
let action;
|
||||
|
||||
if (e.changedTouches) {
|
||||
// Handle touch event
|
||||
each(e.changedTouches, (touch) => {
|
||||
pointers[touch.identifier] = getPointer(touch);
|
||||
});
|
||||
} else {
|
||||
// Handle mouse event and pointer event
|
||||
pointers[e.pointerId || 0] = getPointer(e);
|
||||
}
|
||||
|
||||
if (Object.keys(pointers).length > 1 && options.zoomable && options.zoomOnTouch) {
|
||||
action = ACTION_ZOOM;
|
||||
} else {
|
||||
action = getData(e.target, DATA_ACTION);
|
||||
}
|
||||
|
||||
if (!REGEXP_ACTIONS.test(action)) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (dispatchEvent(this.element, EVENT_CROP_START, {
|
||||
originalEvent: e,
|
||||
action,
|
||||
}) === false) {
|
||||
return;
|
||||
}
|
||||
|
||||
e.preventDefault();
|
||||
|
||||
this.action = action;
|
||||
this.cropping = false;
|
||||
|
||||
if (action === ACTION_CROP) {
|
||||
this.cropping = true;
|
||||
addClass(this.dragBox, CLASS_MODAL);
|
||||
}
|
||||
},
|
||||
|
||||
cropMove(e) {
|
||||
const { action } = this;
|
||||
|
||||
if (this.disabled || !action) {
|
||||
return;
|
||||
}
|
||||
|
||||
const { pointers } = this;
|
||||
|
||||
e.preventDefault();
|
||||
|
||||
if (dispatchEvent(this.element, EVENT_CROP_MOVE, {
|
||||
originalEvent: e,
|
||||
action,
|
||||
}) === false) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (e.changedTouches) {
|
||||
each(e.changedTouches, (touch) => {
|
||||
extend(pointers[touch.identifier], getPointer(touch, true));
|
||||
});
|
||||
} else {
|
||||
extend(pointers[e.pointerId || 0], getPointer(e, true));
|
||||
}
|
||||
|
||||
this.change(e);
|
||||
},
|
||||
|
||||
cropEnd(e) {
|
||||
if (this.disabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
const { action, pointers } = this;
|
||||
|
||||
if (e.changedTouches) {
|
||||
each(e.changedTouches, (touch) => {
|
||||
delete pointers[touch.identifier];
|
||||
});
|
||||
} else {
|
||||
delete pointers[e.pointerId || 0];
|
||||
}
|
||||
|
||||
if (!action) {
|
||||
return;
|
||||
}
|
||||
|
||||
e.preventDefault();
|
||||
|
||||
if (!Object.keys(pointers).length) {
|
||||
this.action = '';
|
||||
}
|
||||
|
||||
if (this.cropping) {
|
||||
this.cropping = false;
|
||||
toggleClass(this.dragBox, CLASS_MODAL, this.cropped && this.options.modal);
|
||||
}
|
||||
|
||||
dispatchEvent(this.element, EVENT_CROP_END, {
|
||||
originalEvent: e,
|
||||
action,
|
||||
});
|
||||
},
|
||||
};
|
||||
842
library/cropperjs/src/js/methods.js
Normal file
842
library/cropperjs/src/js/methods.js
Normal file
@@ -0,0 +1,842 @@
|
||||
import {
|
||||
CLASS_CROP,
|
||||
CLASS_DISABLED,
|
||||
CLASS_HIDDEN,
|
||||
CLASS_MODAL,
|
||||
CLASS_MOVE,
|
||||
DATA_ACTION,
|
||||
DRAG_MODE_CROP,
|
||||
DRAG_MODE_MOVE,
|
||||
DRAG_MODE_NONE,
|
||||
EVENT_LOAD,
|
||||
EVENT_ZOOM,
|
||||
NAMESPACE,
|
||||
} from './constants';
|
||||
import {
|
||||
addClass,
|
||||
dispatchEvent,
|
||||
each,
|
||||
extend,
|
||||
getAdjustedSizes,
|
||||
getOffset,
|
||||
getPointersCenter,
|
||||
getSourceCanvas,
|
||||
isFunction,
|
||||
isNumber,
|
||||
isPlainObject,
|
||||
isUndefined,
|
||||
normalizeDecimalNumber,
|
||||
removeClass,
|
||||
removeData,
|
||||
removeListener,
|
||||
setData,
|
||||
toggleClass,
|
||||
} from './utilities';
|
||||
|
||||
export default {
|
||||
// Show the crop box manually
|
||||
crop() {
|
||||
if (this.ready && !this.disabled) {
|
||||
if (!this.cropped) {
|
||||
this.cropped = true;
|
||||
this.limitCropBox(true, true);
|
||||
|
||||
if (this.options.modal) {
|
||||
addClass(this.dragBox, CLASS_MODAL);
|
||||
}
|
||||
|
||||
removeClass(this.cropBox, CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
this.setCropBoxData(this.initialCropBoxData);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
// Reset the image and crop box to their initial states
|
||||
reset() {
|
||||
if (this.ready && !this.disabled) {
|
||||
this.imageData = extend({}, this.initialImageData);
|
||||
this.canvasData = extend({}, this.initialCanvasData);
|
||||
this.cropBoxData = extend({}, this.initialCropBoxData);
|
||||
this.renderCanvas();
|
||||
|
||||
if (this.cropped) {
|
||||
this.renderCropBox();
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
// Clear the crop box
|
||||
clear() {
|
||||
if (this.cropped && !this.disabled) {
|
||||
extend(this.cropBoxData, {
|
||||
left: 0,
|
||||
top: 0,
|
||||
width: 0,
|
||||
height: 0,
|
||||
});
|
||||
|
||||
this.cropped = false;
|
||||
this.renderCropBox();
|
||||
this.limitCanvas(true, true);
|
||||
|
||||
// Render canvas after crop box rendered
|
||||
this.renderCanvas();
|
||||
removeClass(this.dragBox, CLASS_MODAL);
|
||||
addClass(this.cropBox, CLASS_HIDDEN);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Replace the image's src and rebuild the cropper
|
||||
* @param {string} url - The new URL.
|
||||
* @param {boolean} [onlyColorChanged] - Indicate if the new image only changed color.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
replace(url, onlyColorChanged = false) {
|
||||
if (!this.disabled && url) {
|
||||
if (this.isImg) {
|
||||
this.element.src = url;
|
||||
}
|
||||
|
||||
if (onlyColorChanged) {
|
||||
this.url = url;
|
||||
this.image.src = url;
|
||||
|
||||
if (this.ready) {
|
||||
this.image2.src = url;
|
||||
|
||||
each(this.previews, (element) => {
|
||||
element.getElementsByTagName('img')[0].src = url;
|
||||
});
|
||||
}
|
||||
} else {
|
||||
if (this.isImg) {
|
||||
this.replaced = true;
|
||||
}
|
||||
|
||||
// Clear previous data
|
||||
this.options.data = null;
|
||||
this.load(url);
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
// Enable (unfreeze) the cropper
|
||||
enable() {
|
||||
if (this.ready) {
|
||||
this.disabled = false;
|
||||
removeClass(this.cropper, CLASS_DISABLED);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
// Disable (freeze) the cropper
|
||||
disable() {
|
||||
if (this.ready) {
|
||||
this.disabled = true;
|
||||
addClass(this.cropper, CLASS_DISABLED);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
// Destroy the cropper and remove the instance from the image
|
||||
destroy() {
|
||||
const { element, image } = this;
|
||||
|
||||
if (this.loaded) {
|
||||
if (this.isImg && this.replaced) {
|
||||
element.src = this.originalUrl;
|
||||
}
|
||||
|
||||
this.unbuild();
|
||||
removeClass(element, CLASS_HIDDEN);
|
||||
} else if (this.isImg) {
|
||||
removeListener(element, EVENT_LOAD, this.onStart);
|
||||
} else if (image) {
|
||||
image.parentNode.removeChild(image);
|
||||
}
|
||||
|
||||
removeData(element, NAMESPACE);
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Move the canvas with relative offsets
|
||||
* @param {number} offsetX - The relative offset distance on the x-axis.
|
||||
* @param {number} offsetY - The relative offset distance on the y-axis.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
move(offsetX, offsetY) {
|
||||
const { left, top } = this.canvasData;
|
||||
|
||||
return this.moveTo(
|
||||
isUndefined(offsetX) ? offsetX : (left + Number(offsetX)),
|
||||
isUndefined(offsetY) ? offsetY : (top + Number(offsetY)),
|
||||
);
|
||||
},
|
||||
|
||||
/**
|
||||
* Move the canvas to an absolute point
|
||||
* @param {number} x - The x-axis coordinate.
|
||||
* @param {number} [y=x] - The y-axis coordinate.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
moveTo(x, y = x) {
|
||||
const { canvasData } = this;
|
||||
let changed = false;
|
||||
|
||||
x = Number(x);
|
||||
y = Number(y);
|
||||
|
||||
if (this.ready && !this.disabled && this.options.movable) {
|
||||
if (isNumber(x)) {
|
||||
canvasData.left = x;
|
||||
changed = true;
|
||||
}
|
||||
|
||||
if (isNumber(y)) {
|
||||
canvasData.top = y;
|
||||
changed = true;
|
||||
}
|
||||
|
||||
if (changed) {
|
||||
this.renderCanvas(true);
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Zoom the canvas with a relative ratio
|
||||
* @param {number} ratio - The target ratio.
|
||||
* @param {Event} _originalEvent - The original event if any.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
zoom(ratio, _originalEvent) {
|
||||
const { canvasData } = this;
|
||||
|
||||
ratio = Number(ratio);
|
||||
|
||||
if (ratio < 0) {
|
||||
ratio = 1 / (1 - ratio);
|
||||
} else {
|
||||
ratio = 1 + ratio;
|
||||
}
|
||||
|
||||
return this.zoomTo((canvasData.width * ratio) / canvasData.naturalWidth, null, _originalEvent);
|
||||
},
|
||||
|
||||
/**
|
||||
* Zoom the canvas to an absolute ratio
|
||||
* @param {number} ratio - The target ratio.
|
||||
* @param {Object} pivot - The zoom pivot point coordinate.
|
||||
* @param {Event} _originalEvent - The original event if any.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
zoomTo(ratio, pivot, _originalEvent) {
|
||||
const { options, canvasData } = this;
|
||||
const {
|
||||
width,
|
||||
height,
|
||||
naturalWidth,
|
||||
naturalHeight,
|
||||
} = canvasData;
|
||||
|
||||
ratio = Number(ratio);
|
||||
|
||||
if (ratio >= 0 && this.ready && !this.disabled && options.zoomable) {
|
||||
const newWidth = naturalWidth * ratio;
|
||||
const newHeight = naturalHeight * ratio;
|
||||
|
||||
if (dispatchEvent(this.element, EVENT_ZOOM, {
|
||||
originalEvent: _originalEvent,
|
||||
oldRatio: width / naturalWidth,
|
||||
ratio: newWidth / naturalWidth,
|
||||
}) === false) {
|
||||
return this;
|
||||
}
|
||||
|
||||
if (_originalEvent) {
|
||||
const { pointers } = this;
|
||||
const offset = getOffset(this.cropper);
|
||||
const center = pointers && Object.keys(pointers).length ? getPointersCenter(pointers) : {
|
||||
pageX: _originalEvent.pageX,
|
||||
pageY: _originalEvent.pageY,
|
||||
};
|
||||
|
||||
// Zoom from the triggering point of the event
|
||||
canvasData.left -= (newWidth - width) * (
|
||||
((center.pageX - offset.left) - canvasData.left) / width
|
||||
);
|
||||
canvasData.top -= (newHeight - height) * (
|
||||
((center.pageY - offset.top) - canvasData.top) / height
|
||||
);
|
||||
} else if (isPlainObject(pivot) && isNumber(pivot.x) && isNumber(pivot.y)) {
|
||||
canvasData.left -= (newWidth - width) * (
|
||||
(pivot.x - canvasData.left) / width
|
||||
);
|
||||
canvasData.top -= (newHeight - height) * (
|
||||
(pivot.y - canvasData.top) / height
|
||||
);
|
||||
} else {
|
||||
// Zoom from the center of the canvas
|
||||
canvasData.left -= (newWidth - width) / 2;
|
||||
canvasData.top -= (newHeight - height) / 2;
|
||||
}
|
||||
|
||||
canvasData.width = newWidth;
|
||||
canvasData.height = newHeight;
|
||||
this.renderCanvas(true);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Rotate the canvas with a relative degree
|
||||
* @param {number} degree - The rotate degree.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
rotate(degree) {
|
||||
return this.rotateTo((this.imageData.rotate || 0) + Number(degree));
|
||||
},
|
||||
|
||||
/**
|
||||
* Rotate the canvas to an absolute degree
|
||||
* @param {number} degree - The rotate degree.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
rotateTo(degree) {
|
||||
degree = Number(degree);
|
||||
|
||||
if (isNumber(degree) && this.ready && !this.disabled && this.options.rotatable) {
|
||||
this.imageData.rotate = degree % 360;
|
||||
this.renderCanvas(true, true);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Scale the image on the x-axis.
|
||||
* @param {number} scaleX - The scale ratio on the x-axis.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
scaleX(scaleX) {
|
||||
const { scaleY } = this.imageData;
|
||||
|
||||
return this.scale(scaleX, isNumber(scaleY) ? scaleY : 1);
|
||||
},
|
||||
|
||||
/**
|
||||
* Scale the image on the y-axis.
|
||||
* @param {number} scaleY - The scale ratio on the y-axis.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
scaleY(scaleY) {
|
||||
const { scaleX } = this.imageData;
|
||||
|
||||
return this.scale(isNumber(scaleX) ? scaleX : 1, scaleY);
|
||||
},
|
||||
|
||||
/**
|
||||
* Scale the image
|
||||
* @param {number} scaleX - The scale ratio on the x-axis.
|
||||
* @param {number} [scaleY=scaleX] - The scale ratio on the y-axis.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
scale(scaleX, scaleY = scaleX) {
|
||||
const { imageData } = this;
|
||||
let transformed = false;
|
||||
|
||||
scaleX = Number(scaleX);
|
||||
scaleY = Number(scaleY);
|
||||
|
||||
if (this.ready && !this.disabled && this.options.scalable) {
|
||||
if (isNumber(scaleX)) {
|
||||
imageData.scaleX = scaleX;
|
||||
transformed = true;
|
||||
}
|
||||
|
||||
if (isNumber(scaleY)) {
|
||||
imageData.scaleY = scaleY;
|
||||
transformed = true;
|
||||
}
|
||||
|
||||
if (transformed) {
|
||||
this.renderCanvas(true, true);
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the cropped area position and size data (base on the original image)
|
||||
* @param {boolean} [rounded=false] - Indicate if round the data values or not.
|
||||
* @returns {Object} The result cropped data.
|
||||
*/
|
||||
getData(rounded = false) {
|
||||
const {
|
||||
options,
|
||||
imageData,
|
||||
canvasData,
|
||||
cropBoxData,
|
||||
} = this;
|
||||
let data;
|
||||
|
||||
if (this.ready && this.cropped) {
|
||||
data = {
|
||||
x: cropBoxData.left - canvasData.left,
|
||||
y: cropBoxData.top - canvasData.top,
|
||||
width: cropBoxData.width,
|
||||
height: cropBoxData.height,
|
||||
};
|
||||
|
||||
const ratio = imageData.width / imageData.naturalWidth;
|
||||
|
||||
each(data, (n, i) => {
|
||||
n /= ratio;
|
||||
data[i] = rounded ? Math.round(n) : n;
|
||||
});
|
||||
} else {
|
||||
data = {
|
||||
x: 0,
|
||||
y: 0,
|
||||
width: 0,
|
||||
height: 0,
|
||||
};
|
||||
}
|
||||
|
||||
if (options.rotatable) {
|
||||
data.rotate = imageData.rotate || 0;
|
||||
}
|
||||
|
||||
if (options.scalable) {
|
||||
data.scaleX = imageData.scaleX || 1;
|
||||
data.scaleY = imageData.scaleY || 1;
|
||||
}
|
||||
|
||||
return data;
|
||||
},
|
||||
|
||||
/**
|
||||
* Set the cropped area position and size with new data
|
||||
* @param {Object} data - The new data.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
setData(data) {
|
||||
const { options, imageData, canvasData } = this;
|
||||
const cropBoxData = {};
|
||||
|
||||
if (isFunction(data)) {
|
||||
data = data.call(this.element);
|
||||
}
|
||||
|
||||
if (this.ready && !this.disabled && isPlainObject(data)) {
|
||||
let transformed = false;
|
||||
|
||||
if (options.rotatable) {
|
||||
if (isNumber(data.rotate) && data.rotate !== imageData.rotate) {
|
||||
imageData.rotate = data.rotate;
|
||||
transformed = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (options.scalable) {
|
||||
if (isNumber(data.scaleX) && data.scaleX !== imageData.scaleX) {
|
||||
imageData.scaleX = data.scaleX;
|
||||
transformed = true;
|
||||
}
|
||||
|
||||
if (isNumber(data.scaleY) && data.scaleY !== imageData.scaleY) {
|
||||
imageData.scaleY = data.scaleY;
|
||||
transformed = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (transformed) {
|
||||
this.renderCanvas(true, true);
|
||||
}
|
||||
|
||||
const ratio = imageData.width / imageData.naturalWidth;
|
||||
|
||||
if (isNumber(data.x)) {
|
||||
cropBoxData.left = (data.x * ratio) + canvasData.left;
|
||||
}
|
||||
|
||||
if (isNumber(data.y)) {
|
||||
cropBoxData.top = (data.y * ratio) + canvasData.top;
|
||||
}
|
||||
|
||||
if (isNumber(data.width)) {
|
||||
cropBoxData.width = data.width * ratio;
|
||||
}
|
||||
|
||||
if (isNumber(data.height)) {
|
||||
cropBoxData.height = data.height * ratio;
|
||||
}
|
||||
|
||||
this.setCropBoxData(cropBoxData);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the container size data.
|
||||
* @returns {Object} The result container data.
|
||||
*/
|
||||
getContainerData() {
|
||||
return this.ready ? extend({}, this.containerData) : {};
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the image position and size data.
|
||||
* @returns {Object} The result image data.
|
||||
*/
|
||||
getImageData() {
|
||||
return this.loaded ? extend({}, this.imageData) : {};
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the canvas position and size data.
|
||||
* @returns {Object} The result canvas data.
|
||||
*/
|
||||
getCanvasData() {
|
||||
const { canvasData } = this;
|
||||
const data = {};
|
||||
|
||||
if (this.ready) {
|
||||
each([
|
||||
'left',
|
||||
'top',
|
||||
'width',
|
||||
'height',
|
||||
'naturalWidth',
|
||||
'naturalHeight',
|
||||
], (n) => {
|
||||
data[n] = canvasData[n];
|
||||
});
|
||||
}
|
||||
|
||||
return data;
|
||||
},
|
||||
|
||||
/**
|
||||
* Set the canvas position and size with new data.
|
||||
* @param {Object} data - The new canvas data.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
setCanvasData(data) {
|
||||
const { canvasData } = this;
|
||||
const { aspectRatio } = canvasData;
|
||||
|
||||
if (isFunction(data)) {
|
||||
data = data.call(this.element);
|
||||
}
|
||||
|
||||
if (this.ready && !this.disabled && isPlainObject(data)) {
|
||||
if (isNumber(data.left)) {
|
||||
canvasData.left = data.left;
|
||||
}
|
||||
|
||||
if (isNumber(data.top)) {
|
||||
canvasData.top = data.top;
|
||||
}
|
||||
|
||||
if (isNumber(data.width)) {
|
||||
canvasData.width = data.width;
|
||||
canvasData.height = data.width / aspectRatio;
|
||||
} else if (isNumber(data.height)) {
|
||||
canvasData.height = data.height;
|
||||
canvasData.width = data.height * aspectRatio;
|
||||
}
|
||||
|
||||
this.renderCanvas(true);
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Get the crop box position and size data.
|
||||
* @returns {Object} The result crop box data.
|
||||
*/
|
||||
getCropBoxData() {
|
||||
const { cropBoxData } = this;
|
||||
let data;
|
||||
|
||||
if (this.ready && this.cropped) {
|
||||
data = {
|
||||
left: cropBoxData.left,
|
||||
top: cropBoxData.top,
|
||||
width: cropBoxData.width,
|
||||
height: cropBoxData.height,
|
||||
};
|
||||
}
|
||||
|
||||
return data || {};
|
||||
},
|
||||
|
||||
/**
|
||||
* Set the crop box position and size with new data.
|
||||
* @param {Object} data - The new crop box data.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
setCropBoxData(data) {
|
||||
const { cropBoxData } = this;
|
||||
const { aspectRatio } = this.options;
|
||||
let widthChanged;
|
||||
let heightChanged;
|
||||
|
||||
if (isFunction(data)) {
|
||||
data = data.call(this.element);
|
||||
}
|
||||
|
||||
if (this.ready && this.cropped && !this.disabled && isPlainObject(data)) {
|
||||
if (isNumber(data.left)) {
|
||||
cropBoxData.left = data.left;
|
||||
}
|
||||
|
||||
if (isNumber(data.top)) {
|
||||
cropBoxData.top = data.top;
|
||||
}
|
||||
|
||||
if (isNumber(data.width) && data.width !== cropBoxData.width) {
|
||||
widthChanged = true;
|
||||
cropBoxData.width = data.width;
|
||||
}
|
||||
|
||||
if (isNumber(data.height) && data.height !== cropBoxData.height) {
|
||||
heightChanged = true;
|
||||
cropBoxData.height = data.height;
|
||||
}
|
||||
|
||||
if (aspectRatio) {
|
||||
if (widthChanged) {
|
||||
cropBoxData.height = cropBoxData.width / aspectRatio;
|
||||
} else if (heightChanged) {
|
||||
cropBoxData.width = cropBoxData.height * aspectRatio;
|
||||
}
|
||||
}
|
||||
|
||||
this.renderCropBox();
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Get a canvas drawn the cropped image.
|
||||
* @param {Object} [options={}] - The config options.
|
||||
* @returns {HTMLCanvasElement} - The result canvas.
|
||||
*/
|
||||
getCroppedCanvas(options = {}) {
|
||||
if (!this.ready || !window.HTMLCanvasElement) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const { canvasData } = this;
|
||||
const source = getSourceCanvas(this.image, this.imageData, canvasData, options);
|
||||
|
||||
// Returns the source canvas if it is not cropped.
|
||||
if (!this.cropped) {
|
||||
return source;
|
||||
}
|
||||
|
||||
let {
|
||||
x: initialX,
|
||||
y: initialY,
|
||||
width: initialWidth,
|
||||
height: initialHeight,
|
||||
} = this.getData();
|
||||
const ratio = source.width / Math.floor(canvasData.naturalWidth);
|
||||
|
||||
if (ratio !== 1) {
|
||||
initialX *= ratio;
|
||||
initialY *= ratio;
|
||||
initialWidth *= ratio;
|
||||
initialHeight *= ratio;
|
||||
}
|
||||
|
||||
const aspectRatio = initialWidth / initialHeight;
|
||||
const maxSizes = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: options.maxWidth || Infinity,
|
||||
height: options.maxHeight || Infinity,
|
||||
});
|
||||
const minSizes = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: options.minWidth || 0,
|
||||
height: options.minHeight || 0,
|
||||
}, 'cover');
|
||||
let {
|
||||
width,
|
||||
height,
|
||||
} = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: options.width || (ratio !== 1 ? source.width : initialWidth),
|
||||
height: options.height || (ratio !== 1 ? source.height : initialHeight),
|
||||
});
|
||||
|
||||
width = Math.min(maxSizes.width, Math.max(minSizes.width, width));
|
||||
height = Math.min(maxSizes.height, Math.max(minSizes.height, height));
|
||||
|
||||
const canvas = document.createElement('canvas');
|
||||
const context = canvas.getContext('2d');
|
||||
|
||||
canvas.width = normalizeDecimalNumber(width);
|
||||
canvas.height = normalizeDecimalNumber(height);
|
||||
|
||||
context.fillStyle = options.fillColor || 'transparent';
|
||||
context.fillRect(0, 0, width, height);
|
||||
|
||||
const { imageSmoothingEnabled = true, imageSmoothingQuality } = options;
|
||||
|
||||
context.imageSmoothingEnabled = imageSmoothingEnabled;
|
||||
|
||||
if (imageSmoothingQuality) {
|
||||
context.imageSmoothingQuality = imageSmoothingQuality;
|
||||
}
|
||||
|
||||
// https://developer.mozilla.org/en-US/docs/Web/API/CanvasRenderingContext2D.drawImage
|
||||
const sourceWidth = source.width;
|
||||
const sourceHeight = source.height;
|
||||
|
||||
// Source canvas parameters
|
||||
let srcX = initialX;
|
||||
let srcY = initialY;
|
||||
let srcWidth;
|
||||
let srcHeight;
|
||||
|
||||
// Destination canvas parameters
|
||||
let dstX;
|
||||
let dstY;
|
||||
let dstWidth;
|
||||
let dstHeight;
|
||||
|
||||
if (srcX <= -initialWidth || srcX > sourceWidth) {
|
||||
srcX = 0;
|
||||
srcWidth = 0;
|
||||
dstX = 0;
|
||||
dstWidth = 0;
|
||||
} else if (srcX <= 0) {
|
||||
dstX = -srcX;
|
||||
srcX = 0;
|
||||
srcWidth = Math.min(sourceWidth, initialWidth + srcX);
|
||||
dstWidth = srcWidth;
|
||||
} else if (srcX <= sourceWidth) {
|
||||
dstX = 0;
|
||||
srcWidth = Math.min(initialWidth, sourceWidth - srcX);
|
||||
dstWidth = srcWidth;
|
||||
}
|
||||
|
||||
if (srcWidth <= 0 || srcY <= -initialHeight || srcY > sourceHeight) {
|
||||
srcY = 0;
|
||||
srcHeight = 0;
|
||||
dstY = 0;
|
||||
dstHeight = 0;
|
||||
} else if (srcY <= 0) {
|
||||
dstY = -srcY;
|
||||
srcY = 0;
|
||||
srcHeight = Math.min(sourceHeight, initialHeight + srcY);
|
||||
dstHeight = srcHeight;
|
||||
} else if (srcY <= sourceHeight) {
|
||||
dstY = 0;
|
||||
srcHeight = Math.min(initialHeight, sourceHeight - srcY);
|
||||
dstHeight = srcHeight;
|
||||
}
|
||||
|
||||
// All the numerical parameters should be integer for `drawImage`
|
||||
// https://github.com/fengyuanchen/cropper/issues/476
|
||||
const params = [
|
||||
srcX,
|
||||
srcY,
|
||||
srcWidth,
|
||||
srcHeight,
|
||||
];
|
||||
|
||||
// Avoid "IndexSizeError"
|
||||
if (dstWidth > 0 && dstHeight > 0) {
|
||||
const scale = width / initialWidth;
|
||||
|
||||
params.push(
|
||||
dstX * scale,
|
||||
dstY * scale,
|
||||
dstWidth * scale,
|
||||
dstHeight * scale,
|
||||
);
|
||||
}
|
||||
|
||||
context.drawImage(source, ...params.map(param => Math.floor(normalizeDecimalNumber(param))));
|
||||
|
||||
return canvas;
|
||||
},
|
||||
|
||||
/**
|
||||
* Change the aspect ratio of the crop box.
|
||||
* @param {number} aspectRatio - The new aspect ratio.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
setAspectRatio(aspectRatio) {
|
||||
const { options } = this;
|
||||
|
||||
if (!this.disabled && !isUndefined(aspectRatio)) {
|
||||
// 0 -> NaN
|
||||
options.aspectRatio = Math.max(0, aspectRatio) || NaN;
|
||||
|
||||
if (this.ready) {
|
||||
this.initCropBox();
|
||||
|
||||
if (this.cropped) {
|
||||
this.renderCropBox();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
|
||||
/**
|
||||
* Change the drag mode.
|
||||
* @param {string} mode - The new drag mode.
|
||||
* @returns {Object} this
|
||||
*/
|
||||
setDragMode(mode) {
|
||||
const { options, dragBox, face } = this;
|
||||
|
||||
if (this.loaded && !this.disabled) {
|
||||
const croppable = mode === DRAG_MODE_CROP;
|
||||
const movable = options.movable && mode === DRAG_MODE_MOVE;
|
||||
|
||||
mode = (croppable || movable) ? mode : DRAG_MODE_NONE;
|
||||
|
||||
setData(dragBox, DATA_ACTION, mode);
|
||||
toggleClass(dragBox, CLASS_CROP, croppable);
|
||||
toggleClass(dragBox, CLASS_MOVE, movable);
|
||||
|
||||
if (!options.cropBoxMovable) {
|
||||
// Sync drag mode to crop box when it is not movable
|
||||
setData(face, DATA_ACTION, mode);
|
||||
toggleClass(face, CLASS_CROP, croppable);
|
||||
toggleClass(face, CLASS_MOVE, movable);
|
||||
}
|
||||
}
|
||||
|
||||
return this;
|
||||
},
|
||||
};
|
||||
142
library/cropperjs/src/js/preview.js
Normal file
142
library/cropperjs/src/js/preview.js
Normal file
@@ -0,0 +1,142 @@
|
||||
import {
|
||||
DATA_PREVIEW,
|
||||
} from './constants';
|
||||
import {
|
||||
each,
|
||||
empty,
|
||||
extend,
|
||||
getData,
|
||||
getTransforms,
|
||||
removeData,
|
||||
setData,
|
||||
setStyle,
|
||||
} from './utilities';
|
||||
|
||||
export default {
|
||||
initPreview() {
|
||||
const { crossOrigin } = this;
|
||||
const { preview } = this.options;
|
||||
const url = crossOrigin ? this.crossOriginUrl : this.url;
|
||||
const image = document.createElement('img');
|
||||
|
||||
if (crossOrigin) {
|
||||
image.crossOrigin = crossOrigin;
|
||||
}
|
||||
|
||||
image.src = url;
|
||||
this.viewBox.appendChild(image);
|
||||
this.image2 = image;
|
||||
|
||||
if (!preview) {
|
||||
return;
|
||||
}
|
||||
|
||||
const previews = preview.querySelector ? [preview] : document.querySelectorAll(preview);
|
||||
|
||||
this.previews = previews;
|
||||
|
||||
each(previews, (element) => {
|
||||
const img = document.createElement('img');
|
||||
|
||||
// Save the original size for recover
|
||||
setData(element, DATA_PREVIEW, {
|
||||
width: element.offsetWidth,
|
||||
height: element.offsetHeight,
|
||||
html: element.innerHTML,
|
||||
});
|
||||
|
||||
if (crossOrigin) {
|
||||
img.crossOrigin = crossOrigin;
|
||||
}
|
||||
|
||||
img.src = url;
|
||||
|
||||
/**
|
||||
* Override img element styles
|
||||
* Add `display:block` to avoid margin top issue
|
||||
* Add `height:auto` to override `height` attribute on IE8
|
||||
* (Occur only when margin-top <= -height)
|
||||
*/
|
||||
img.style.cssText = (
|
||||
'display:block;' +
|
||||
'width:100%;' +
|
||||
'height:auto;' +
|
||||
'min-width:0!important;' +
|
||||
'min-height:0!important;' +
|
||||
'max-width:none!important;' +
|
||||
'max-height:none!important;' +
|
||||
'image-orientation:0deg!important;"'
|
||||
);
|
||||
|
||||
empty(element);
|
||||
element.appendChild(img);
|
||||
});
|
||||
},
|
||||
|
||||
resetPreview() {
|
||||
each(this.previews, (element) => {
|
||||
const data = getData(element, DATA_PREVIEW);
|
||||
|
||||
setStyle(element, {
|
||||
width: data.width,
|
||||
height: data.height,
|
||||
});
|
||||
|
||||
element.innerHTML = data.html;
|
||||
removeData(element, DATA_PREVIEW);
|
||||
});
|
||||
},
|
||||
|
||||
preview() {
|
||||
const { imageData, canvasData, cropBoxData } = this;
|
||||
const { width: cropBoxWidth, height: cropBoxHeight } = cropBoxData;
|
||||
const { width, height } = imageData;
|
||||
const left = cropBoxData.left - canvasData.left - imageData.left;
|
||||
const top = cropBoxData.top - canvasData.top - imageData.top;
|
||||
|
||||
if (!this.cropped || this.disabled) {
|
||||
return;
|
||||
}
|
||||
|
||||
setStyle(this.image2, extend({
|
||||
width,
|
||||
height,
|
||||
}, getTransforms(extend({
|
||||
translateX: -left,
|
||||
translateY: -top,
|
||||
}, imageData))));
|
||||
|
||||
each(this.previews, (element) => {
|
||||
const data = getData(element, DATA_PREVIEW);
|
||||
const originalWidth = data.width;
|
||||
const originalHeight = data.height;
|
||||
let newWidth = originalWidth;
|
||||
let newHeight = originalHeight;
|
||||
let ratio = 1;
|
||||
|
||||
if (cropBoxWidth) {
|
||||
ratio = originalWidth / cropBoxWidth;
|
||||
newHeight = cropBoxHeight * ratio;
|
||||
}
|
||||
|
||||
if (cropBoxHeight && newHeight > originalHeight) {
|
||||
ratio = originalHeight / cropBoxHeight;
|
||||
newWidth = cropBoxWidth * ratio;
|
||||
newHeight = originalHeight;
|
||||
}
|
||||
|
||||
setStyle(element, {
|
||||
width: newWidth,
|
||||
height: newHeight,
|
||||
});
|
||||
|
||||
setStyle(element.getElementsByTagName('img')[0], extend({
|
||||
width: width * ratio,
|
||||
height: height * ratio,
|
||||
}, getTransforms(extend({
|
||||
translateX: -left * ratio,
|
||||
translateY: -top * ratio,
|
||||
}, imageData))));
|
||||
});
|
||||
},
|
||||
};
|
||||
495
library/cropperjs/src/js/render.js
Normal file
495
library/cropperjs/src/js/render.js
Normal file
@@ -0,0 +1,495 @@
|
||||
import {
|
||||
ACTION_ALL,
|
||||
ACTION_MOVE,
|
||||
CLASS_HIDDEN,
|
||||
DATA_ACTION,
|
||||
EVENT_CROP,
|
||||
} from './constants';
|
||||
import {
|
||||
addClass,
|
||||
dispatchEvent,
|
||||
extend,
|
||||
getAdjustedSizes,
|
||||
getRotatedSizes,
|
||||
getTransforms,
|
||||
removeClass,
|
||||
setData,
|
||||
setStyle,
|
||||
} from './utilities';
|
||||
|
||||
export default {
|
||||
render() {
|
||||
this.initContainer();
|
||||
this.initCanvas();
|
||||
this.initCropBox();
|
||||
this.renderCanvas();
|
||||
|
||||
if (this.cropped) {
|
||||
this.renderCropBox();
|
||||
}
|
||||
},
|
||||
|
||||
initContainer() {
|
||||
const {
|
||||
element,
|
||||
options,
|
||||
container,
|
||||
cropper,
|
||||
} = this;
|
||||
|
||||
addClass(cropper, CLASS_HIDDEN);
|
||||
removeClass(element, CLASS_HIDDEN);
|
||||
|
||||
const containerData = {
|
||||
width: Math.max(
|
||||
container.offsetWidth,
|
||||
Number(options.minContainerWidth) || 200,
|
||||
),
|
||||
height: Math.max(
|
||||
container.offsetHeight,
|
||||
Number(options.minContainerHeight) || 100,
|
||||
),
|
||||
};
|
||||
|
||||
this.containerData = containerData;
|
||||
|
||||
setStyle(cropper, {
|
||||
width: containerData.width,
|
||||
height: containerData.height,
|
||||
});
|
||||
|
||||
addClass(element, CLASS_HIDDEN);
|
||||
removeClass(cropper, CLASS_HIDDEN);
|
||||
},
|
||||
|
||||
// Canvas (image wrapper)
|
||||
initCanvas() {
|
||||
const { containerData, imageData } = this;
|
||||
const { viewMode } = this.options;
|
||||
const rotated = Math.abs(imageData.rotate) % 180 === 90;
|
||||
const naturalWidth = rotated ? imageData.naturalHeight : imageData.naturalWidth;
|
||||
const naturalHeight = rotated ? imageData.naturalWidth : imageData.naturalHeight;
|
||||
const aspectRatio = naturalWidth / naturalHeight;
|
||||
let canvasWidth = containerData.width;
|
||||
let canvasHeight = containerData.height;
|
||||
|
||||
if (containerData.height * aspectRatio > containerData.width) {
|
||||
if (viewMode === 3) {
|
||||
canvasWidth = containerData.height * aspectRatio;
|
||||
} else {
|
||||
canvasHeight = containerData.width / aspectRatio;
|
||||
}
|
||||
} else if (viewMode === 3) {
|
||||
canvasHeight = containerData.width / aspectRatio;
|
||||
} else {
|
||||
canvasWidth = containerData.height * aspectRatio;
|
||||
}
|
||||
|
||||
const canvasData = {
|
||||
aspectRatio,
|
||||
naturalWidth,
|
||||
naturalHeight,
|
||||
width: canvasWidth,
|
||||
height: canvasHeight,
|
||||
};
|
||||
|
||||
canvasData.left = (containerData.width - canvasWidth) / 2;
|
||||
canvasData.top = (containerData.height - canvasHeight) / 2;
|
||||
canvasData.oldLeft = canvasData.left;
|
||||
canvasData.oldTop = canvasData.top;
|
||||
|
||||
this.canvasData = canvasData;
|
||||
this.limited = (viewMode === 1 || viewMode === 2);
|
||||
this.limitCanvas(true, true);
|
||||
this.initialImageData = extend({}, imageData);
|
||||
this.initialCanvasData = extend({}, canvasData);
|
||||
},
|
||||
|
||||
limitCanvas(sizeLimited, positionLimited) {
|
||||
const {
|
||||
options,
|
||||
containerData,
|
||||
canvasData,
|
||||
cropBoxData,
|
||||
} = this;
|
||||
const { viewMode } = options;
|
||||
const { aspectRatio } = canvasData;
|
||||
const cropped = this.cropped && cropBoxData;
|
||||
|
||||
if (sizeLimited) {
|
||||
let minCanvasWidth = Number(options.minCanvasWidth) || 0;
|
||||
let minCanvasHeight = Number(options.minCanvasHeight) || 0;
|
||||
|
||||
if (viewMode > 1) {
|
||||
minCanvasWidth = Math.max(minCanvasWidth, containerData.width);
|
||||
minCanvasHeight = Math.max(minCanvasHeight, containerData.height);
|
||||
|
||||
if (viewMode === 3) {
|
||||
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
||||
minCanvasWidth = minCanvasHeight * aspectRatio;
|
||||
} else {
|
||||
minCanvasHeight = minCanvasWidth / aspectRatio;
|
||||
}
|
||||
}
|
||||
} else if (viewMode > 0) {
|
||||
if (minCanvasWidth) {
|
||||
minCanvasWidth = Math.max(
|
||||
minCanvasWidth,
|
||||
cropped ? cropBoxData.width : 0,
|
||||
);
|
||||
} else if (minCanvasHeight) {
|
||||
minCanvasHeight = Math.max(
|
||||
minCanvasHeight,
|
||||
cropped ? cropBoxData.height : 0,
|
||||
);
|
||||
} else if (cropped) {
|
||||
minCanvasWidth = cropBoxData.width;
|
||||
minCanvasHeight = cropBoxData.height;
|
||||
|
||||
if (minCanvasHeight * aspectRatio > minCanvasWidth) {
|
||||
minCanvasWidth = minCanvasHeight * aspectRatio;
|
||||
} else {
|
||||
minCanvasHeight = minCanvasWidth / aspectRatio;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
({ width: minCanvasWidth, height: minCanvasHeight } = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: minCanvasWidth,
|
||||
height: minCanvasHeight,
|
||||
}, 'cover'));
|
||||
|
||||
canvasData.minWidth = minCanvasWidth;
|
||||
canvasData.minHeight = minCanvasHeight;
|
||||
canvasData.maxWidth = Infinity;
|
||||
canvasData.maxHeight = Infinity;
|
||||
}
|
||||
|
||||
if (positionLimited) {
|
||||
if (viewMode) {
|
||||
const newCanvasLeft = containerData.width - canvasData.width;
|
||||
const newCanvasTop = containerData.height - canvasData.height;
|
||||
|
||||
canvasData.minLeft = Math.min(0, newCanvasLeft);
|
||||
canvasData.minTop = Math.min(0, newCanvasTop);
|
||||
canvasData.maxLeft = Math.max(0, newCanvasLeft);
|
||||
canvasData.maxTop = Math.max(0, newCanvasTop);
|
||||
|
||||
if (cropped && this.limited) {
|
||||
canvasData.minLeft = Math.min(
|
||||
cropBoxData.left,
|
||||
cropBoxData.left + (cropBoxData.width - canvasData.width),
|
||||
);
|
||||
canvasData.minTop = Math.min(
|
||||
cropBoxData.top,
|
||||
cropBoxData.top + (cropBoxData.height - canvasData.height),
|
||||
);
|
||||
canvasData.maxLeft = cropBoxData.left;
|
||||
canvasData.maxTop = cropBoxData.top;
|
||||
|
||||
if (viewMode === 2) {
|
||||
if (canvasData.width >= containerData.width) {
|
||||
canvasData.minLeft = Math.min(0, newCanvasLeft);
|
||||
canvasData.maxLeft = Math.max(0, newCanvasLeft);
|
||||
}
|
||||
|
||||
if (canvasData.height >= containerData.height) {
|
||||
canvasData.minTop = Math.min(0, newCanvasTop);
|
||||
canvasData.maxTop = Math.max(0, newCanvasTop);
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
canvasData.minLeft = -canvasData.width;
|
||||
canvasData.minTop = -canvasData.height;
|
||||
canvasData.maxLeft = containerData.width;
|
||||
canvasData.maxTop = containerData.height;
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
renderCanvas(changed, transformed) {
|
||||
const { canvasData, imageData } = this;
|
||||
|
||||
if (transformed) {
|
||||
const { width: naturalWidth, height: naturalHeight } = getRotatedSizes({
|
||||
width: imageData.naturalWidth * Math.abs(imageData.scaleX || 1),
|
||||
height: imageData.naturalHeight * Math.abs(imageData.scaleY || 1),
|
||||
degree: imageData.rotate || 0,
|
||||
});
|
||||
const width = canvasData.width * (naturalWidth / canvasData.naturalWidth);
|
||||
const height = canvasData.height * (naturalHeight / canvasData.naturalHeight);
|
||||
|
||||
canvasData.left -= (width - canvasData.width) / 2;
|
||||
canvasData.top -= (height - canvasData.height) / 2;
|
||||
canvasData.width = width;
|
||||
canvasData.height = height;
|
||||
canvasData.aspectRatio = naturalWidth / naturalHeight;
|
||||
canvasData.naturalWidth = naturalWidth;
|
||||
canvasData.naturalHeight = naturalHeight;
|
||||
this.limitCanvas(true, false);
|
||||
}
|
||||
|
||||
if (canvasData.width > canvasData.maxWidth ||
|
||||
canvasData.width < canvasData.minWidth) {
|
||||
canvasData.left = canvasData.oldLeft;
|
||||
}
|
||||
|
||||
if (canvasData.height > canvasData.maxHeight ||
|
||||
canvasData.height < canvasData.minHeight) {
|
||||
canvasData.top = canvasData.oldTop;
|
||||
}
|
||||
|
||||
canvasData.width = Math.min(
|
||||
Math.max(canvasData.width, canvasData.minWidth),
|
||||
canvasData.maxWidth,
|
||||
);
|
||||
canvasData.height = Math.min(
|
||||
Math.max(canvasData.height, canvasData.minHeight),
|
||||
canvasData.maxHeight,
|
||||
);
|
||||
|
||||
this.limitCanvas(false, true);
|
||||
|
||||
canvasData.left = Math.min(
|
||||
Math.max(canvasData.left, canvasData.minLeft),
|
||||
canvasData.maxLeft,
|
||||
);
|
||||
canvasData.top = Math.min(
|
||||
Math.max(canvasData.top, canvasData.minTop),
|
||||
canvasData.maxTop,
|
||||
);
|
||||
canvasData.oldLeft = canvasData.left;
|
||||
canvasData.oldTop = canvasData.top;
|
||||
|
||||
setStyle(this.canvas, extend({
|
||||
width: canvasData.width,
|
||||
height: canvasData.height,
|
||||
}, getTransforms({
|
||||
translateX: canvasData.left,
|
||||
translateY: canvasData.top,
|
||||
})));
|
||||
|
||||
this.renderImage(changed);
|
||||
|
||||
if (this.cropped && this.limited) {
|
||||
this.limitCropBox(true, true);
|
||||
}
|
||||
},
|
||||
|
||||
renderImage(changed) {
|
||||
const { canvasData, imageData } = this;
|
||||
const width = imageData.naturalWidth * (canvasData.width / canvasData.naturalWidth);
|
||||
const height = imageData.naturalHeight * (canvasData.height / canvasData.naturalHeight);
|
||||
|
||||
extend(imageData, {
|
||||
width,
|
||||
height,
|
||||
left: (canvasData.width - width) / 2,
|
||||
top: (canvasData.height - height) / 2,
|
||||
});
|
||||
setStyle(this.image, extend({
|
||||
width: imageData.width,
|
||||
height: imageData.height,
|
||||
}, getTransforms(extend({
|
||||
translateX: imageData.left,
|
||||
translateY: imageData.top,
|
||||
}, imageData))));
|
||||
|
||||
if (changed) {
|
||||
this.output();
|
||||
}
|
||||
},
|
||||
|
||||
initCropBox() {
|
||||
const { options, canvasData } = this;
|
||||
const { aspectRatio } = options;
|
||||
const autoCropArea = Number(options.autoCropArea) || 0.8;
|
||||
const cropBoxData = {
|
||||
width: canvasData.width,
|
||||
height: canvasData.height,
|
||||
};
|
||||
|
||||
if (aspectRatio) {
|
||||
if (canvasData.height * aspectRatio > canvasData.width) {
|
||||
cropBoxData.height = cropBoxData.width / aspectRatio;
|
||||
} else {
|
||||
cropBoxData.width = cropBoxData.height * aspectRatio;
|
||||
}
|
||||
}
|
||||
|
||||
this.cropBoxData = cropBoxData;
|
||||
this.limitCropBox(true, true);
|
||||
|
||||
// Initialize auto crop area
|
||||
cropBoxData.width = Math.min(
|
||||
Math.max(cropBoxData.width, cropBoxData.minWidth),
|
||||
cropBoxData.maxWidth,
|
||||
);
|
||||
cropBoxData.height = Math.min(
|
||||
Math.max(cropBoxData.height, cropBoxData.minHeight),
|
||||
cropBoxData.maxHeight,
|
||||
);
|
||||
|
||||
// The width/height of auto crop area must large than "minWidth/Height"
|
||||
cropBoxData.width = Math.max(
|
||||
cropBoxData.minWidth,
|
||||
cropBoxData.width * autoCropArea,
|
||||
);
|
||||
cropBoxData.height = Math.max(
|
||||
cropBoxData.minHeight,
|
||||
cropBoxData.height * autoCropArea,
|
||||
);
|
||||
cropBoxData.left = (
|
||||
canvasData.left + ((canvasData.width - cropBoxData.width) / 2)
|
||||
);
|
||||
cropBoxData.top = (
|
||||
canvasData.top + ((canvasData.height - cropBoxData.height) / 2)
|
||||
);
|
||||
cropBoxData.oldLeft = cropBoxData.left;
|
||||
cropBoxData.oldTop = cropBoxData.top;
|
||||
|
||||
this.initialCropBoxData = extend({}, cropBoxData);
|
||||
},
|
||||
|
||||
limitCropBox(sizeLimited, positionLimited) {
|
||||
const {
|
||||
options,
|
||||
containerData,
|
||||
canvasData,
|
||||
cropBoxData,
|
||||
limited,
|
||||
} = this;
|
||||
const { aspectRatio } = options;
|
||||
|
||||
if (sizeLimited) {
|
||||
let minCropBoxWidth = Number(options.minCropBoxWidth) || 0;
|
||||
let minCropBoxHeight = Number(options.minCropBoxHeight) || 0;
|
||||
let maxCropBoxWidth = Math.min(
|
||||
containerData.width,
|
||||
limited ? canvasData.width : containerData.width,
|
||||
);
|
||||
let maxCropBoxHeight = Math.min(
|
||||
containerData.height,
|
||||
limited ? canvasData.height : containerData.height,
|
||||
);
|
||||
|
||||
// The min/maxCropBoxWidth/Height must be less than container's width/height
|
||||
minCropBoxWidth = Math.min(minCropBoxWidth, containerData.width);
|
||||
minCropBoxHeight = Math.min(minCropBoxHeight, containerData.height);
|
||||
|
||||
if (aspectRatio) {
|
||||
if (minCropBoxWidth && minCropBoxHeight) {
|
||||
if (minCropBoxHeight * aspectRatio > minCropBoxWidth) {
|
||||
minCropBoxHeight = minCropBoxWidth / aspectRatio;
|
||||
} else {
|
||||
minCropBoxWidth = minCropBoxHeight * aspectRatio;
|
||||
}
|
||||
} else if (minCropBoxWidth) {
|
||||
minCropBoxHeight = minCropBoxWidth / aspectRatio;
|
||||
} else if (minCropBoxHeight) {
|
||||
minCropBoxWidth = minCropBoxHeight * aspectRatio;
|
||||
}
|
||||
|
||||
if (maxCropBoxHeight * aspectRatio > maxCropBoxWidth) {
|
||||
maxCropBoxHeight = maxCropBoxWidth / aspectRatio;
|
||||
} else {
|
||||
maxCropBoxWidth = maxCropBoxHeight * aspectRatio;
|
||||
}
|
||||
}
|
||||
|
||||
// The minWidth/Height must be less than maxWidth/Height
|
||||
cropBoxData.minWidth = Math.min(minCropBoxWidth, maxCropBoxWidth);
|
||||
cropBoxData.minHeight = Math.min(minCropBoxHeight, maxCropBoxHeight);
|
||||
cropBoxData.maxWidth = maxCropBoxWidth;
|
||||
cropBoxData.maxHeight = maxCropBoxHeight;
|
||||
}
|
||||
|
||||
if (positionLimited) {
|
||||
if (limited) {
|
||||
cropBoxData.minLeft = Math.max(0, canvasData.left);
|
||||
cropBoxData.minTop = Math.max(0, canvasData.top);
|
||||
cropBoxData.maxLeft = Math.min(
|
||||
containerData.width,
|
||||
canvasData.left + canvasData.width,
|
||||
) - cropBoxData.width;
|
||||
cropBoxData.maxTop = Math.min(
|
||||
containerData.height,
|
||||
canvasData.top + canvasData.height,
|
||||
) - cropBoxData.height;
|
||||
} else {
|
||||
cropBoxData.minLeft = 0;
|
||||
cropBoxData.minTop = 0;
|
||||
cropBoxData.maxLeft = containerData.width - cropBoxData.width;
|
||||
cropBoxData.maxTop = containerData.height - cropBoxData.height;
|
||||
}
|
||||
}
|
||||
},
|
||||
|
||||
renderCropBox() {
|
||||
const { options, containerData, cropBoxData } = this;
|
||||
|
||||
if (cropBoxData.width > cropBoxData.maxWidth ||
|
||||
cropBoxData.width < cropBoxData.minWidth) {
|
||||
cropBoxData.left = cropBoxData.oldLeft;
|
||||
}
|
||||
|
||||
if (cropBoxData.height > cropBoxData.maxHeight ||
|
||||
cropBoxData.height < cropBoxData.minHeight) {
|
||||
cropBoxData.top = cropBoxData.oldTop;
|
||||
}
|
||||
|
||||
cropBoxData.width = Math.min(
|
||||
Math.max(cropBoxData.width, cropBoxData.minWidth),
|
||||
cropBoxData.maxWidth,
|
||||
);
|
||||
cropBoxData.height = Math.min(
|
||||
Math.max(cropBoxData.height, cropBoxData.minHeight),
|
||||
cropBoxData.maxHeight,
|
||||
);
|
||||
|
||||
this.limitCropBox(false, true);
|
||||
|
||||
cropBoxData.left = Math.min(
|
||||
Math.max(cropBoxData.left, cropBoxData.minLeft),
|
||||
cropBoxData.maxLeft,
|
||||
);
|
||||
cropBoxData.top = Math.min(
|
||||
Math.max(cropBoxData.top, cropBoxData.minTop),
|
||||
cropBoxData.maxTop,
|
||||
);
|
||||
cropBoxData.oldLeft = cropBoxData.left;
|
||||
cropBoxData.oldTop = cropBoxData.top;
|
||||
|
||||
if (options.movable && options.cropBoxMovable) {
|
||||
// Turn to move the canvas when the crop box is equal to the container
|
||||
setData(this.face, DATA_ACTION, cropBoxData.width >= containerData.width &&
|
||||
cropBoxData.height >= containerData.height ? ACTION_MOVE : ACTION_ALL);
|
||||
}
|
||||
|
||||
setStyle(this.cropBox, extend({
|
||||
width: cropBoxData.width,
|
||||
height: cropBoxData.height,
|
||||
}, getTransforms({
|
||||
translateX: cropBoxData.left,
|
||||
translateY: cropBoxData.top,
|
||||
})));
|
||||
|
||||
if (this.cropped && this.limited) {
|
||||
this.limitCanvas(true, true);
|
||||
}
|
||||
|
||||
if (!this.disabled) {
|
||||
this.output();
|
||||
}
|
||||
},
|
||||
|
||||
output() {
|
||||
this.preview();
|
||||
|
||||
if (this.complete) {
|
||||
dispatchEvent(this.element, EVENT_CROP, this.getData());
|
||||
}
|
||||
},
|
||||
};
|
||||
27
library/cropperjs/src/js/template.js
Normal file
27
library/cropperjs/src/js/template.js
Normal file
@@ -0,0 +1,27 @@
|
||||
export default (
|
||||
'<div class="cropper-container">' +
|
||||
'<div class="cropper-wrap-box">' +
|
||||
'<div class="cropper-canvas"></div>' +
|
||||
'</div>' +
|
||||
'<div class="cropper-drag-box"></div>' +
|
||||
'<div class="cropper-crop-box">' +
|
||||
'<span class="cropper-view-box"></span>' +
|
||||
'<span class="cropper-dashed dashed-h"></span>' +
|
||||
'<span class="cropper-dashed dashed-v"></span>' +
|
||||
'<span class="cropper-center"></span>' +
|
||||
'<span class="cropper-face"></span>' +
|
||||
'<span class="cropper-line line-e" data-action="e"></span>' +
|
||||
'<span class="cropper-line line-n" data-action="n"></span>' +
|
||||
'<span class="cropper-line line-w" data-action="w"></span>' +
|
||||
'<span class="cropper-line line-s" data-action="s"></span>' +
|
||||
'<span class="cropper-point point-e" data-action="e"></span>' +
|
||||
'<span class="cropper-point point-n" data-action="n"></span>' +
|
||||
'<span class="cropper-point point-w" data-action="w"></span>' +
|
||||
'<span class="cropper-point point-s" data-action="s"></span>' +
|
||||
'<span class="cropper-point point-ne" data-action="ne"></span>' +
|
||||
'<span class="cropper-point point-nw" data-action="nw"></span>' +
|
||||
'<span class="cropper-point point-sw" data-action="sw"></span>' +
|
||||
'<span class="cropper-point point-se" data-action="se"></span>' +
|
||||
'</div>' +
|
||||
'</div>'
|
||||
);
|
||||
985
library/cropperjs/src/js/utilities.js
Normal file
985
library/cropperjs/src/js/utilities.js
Normal file
@@ -0,0 +1,985 @@
|
||||
import {
|
||||
WINDOW,
|
||||
} from './constants';
|
||||
|
||||
/**
|
||||
* Check if the given value is not a number.
|
||||
*/
|
||||
export const isNaN = Number.isNaN || WINDOW.isNaN;
|
||||
|
||||
/**
|
||||
* Check if the given value is a number.
|
||||
* @param {*} value - The value to check.
|
||||
* @returns {boolean} Returns `true` if the given value is a number, else `false`.
|
||||
*/
|
||||
export function isNumber(value) {
|
||||
return typeof value === 'number' && !isNaN(value);
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the given value is undefined.
|
||||
* @param {*} value - The value to check.
|
||||
* @returns {boolean} Returns `true` if the given value is undefined, else `false`.
|
||||
*/
|
||||
export function isUndefined(value) {
|
||||
return typeof value === 'undefined';
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the given value is an object.
|
||||
* @param {*} value - The value to check.
|
||||
* @returns {boolean} Returns `true` if the given value is an object, else `false`.
|
||||
*/
|
||||
export function isObject(value) {
|
||||
return typeof value === 'object' && value !== null;
|
||||
}
|
||||
|
||||
const { hasOwnProperty } = Object.prototype;
|
||||
|
||||
/**
|
||||
* Check if the given value is a plain object.
|
||||
* @param {*} value - The value to check.
|
||||
* @returns {boolean} Returns `true` if the given value is a plain object, else `false`.
|
||||
*/
|
||||
export function isPlainObject(value) {
|
||||
if (!isObject(value)) {
|
||||
return false;
|
||||
}
|
||||
|
||||
try {
|
||||
const { constructor } = value;
|
||||
const { prototype } = constructor;
|
||||
|
||||
return constructor && prototype && hasOwnProperty.call(prototype, 'isPrototypeOf');
|
||||
} catch (e) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the given value is a function.
|
||||
* @param {*} value - The value to check.
|
||||
* @returns {boolean} Returns `true` if the given value is a function, else `false`.
|
||||
*/
|
||||
export function isFunction(value) {
|
||||
return typeof value === 'function';
|
||||
}
|
||||
|
||||
/**
|
||||
* Iterate the given data.
|
||||
* @param {*} data - The data to iterate.
|
||||
* @param {Function} callback - The process function for each element.
|
||||
* @returns {*} The original data.
|
||||
*/
|
||||
export function each(data, callback) {
|
||||
if (data && isFunction(callback)) {
|
||||
if (Array.isArray(data) || isNumber(data.length)/* array-like */) {
|
||||
const { length } = data;
|
||||
let i;
|
||||
|
||||
for (i = 0; i < length; i += 1) {
|
||||
if (callback.call(data, data[i], i, data) === false) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
} else if (isObject(data)) {
|
||||
Object.keys(data).forEach((key) => {
|
||||
callback.call(data, data[key], key, data);
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
return data;
|
||||
}
|
||||
|
||||
/**
|
||||
* Extend the given object.
|
||||
* @param {*} obj - The object to be extended.
|
||||
* @param {*} args - The rest objects which will be merged to the first object.
|
||||
* @returns {Object} The extended object.
|
||||
*/
|
||||
export function extend(obj, ...args) {
|
||||
if (isObject(obj) && args.length > 0) {
|
||||
if (Object.assign) {
|
||||
return Object.assign(obj, ...args);
|
||||
}
|
||||
|
||||
args.forEach((arg) => {
|
||||
if (isObject(arg)) {
|
||||
Object.keys(arg).forEach((key) => {
|
||||
obj[key] = arg[key];
|
||||
});
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
return obj;
|
||||
}
|
||||
|
||||
/**
|
||||
* Takes a function and returns a new one that will always have a particular context.
|
||||
* @param {Function} fn - The target function.
|
||||
* @param {Object} context - The new context for the function.
|
||||
* @returns {boolean} The new function.
|
||||
*/
|
||||
export function proxy(fn, context, ...args) {
|
||||
return (...args2) => fn.apply(context, args.concat(args2));
|
||||
}
|
||||
|
||||
const REGEXP_DECIMALS = /\.\d*(?:0|9){12}\d*$/i;
|
||||
|
||||
/**
|
||||
* Normalize decimal number.
|
||||
* Check out {@link http://0.30000000000000004.com/ }
|
||||
* @param {number} value - The value to normalize.
|
||||
* @param {number} [times=100000000000] - The times for normalizing.
|
||||
* @returns {number} Returns the normalized number.
|
||||
*/
|
||||
export function normalizeDecimalNumber(value, times = 100000000000) {
|
||||
return REGEXP_DECIMALS.test(value) ? (Math.round(value * times) / times) : value;
|
||||
}
|
||||
|
||||
const REGEXP_SUFFIX = /^(?:width|height|left|top|marginLeft|marginTop)$/;
|
||||
|
||||
/**
|
||||
* Apply styles to the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {Object} styles - The styles for applying.
|
||||
*/
|
||||
export function setStyle(element, styles) {
|
||||
const { style } = element;
|
||||
|
||||
each(styles, (value, property) => {
|
||||
if (REGEXP_SUFFIX.test(property) && isNumber(value)) {
|
||||
value += 'px';
|
||||
}
|
||||
|
||||
style[property] = value;
|
||||
});
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the given element has a special class.
|
||||
* @param {Element} element - The element to check.
|
||||
* @param {string} value - The class to search.
|
||||
* @returns {boolean} Returns `true` if the special class was found.
|
||||
*/
|
||||
export function hasClass(element, value) {
|
||||
return element.classList ?
|
||||
element.classList.contains(value) :
|
||||
element.className.indexOf(value) > -1;
|
||||
}
|
||||
|
||||
/**
|
||||
* Add classes to the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} value - The classes to be added.
|
||||
*/
|
||||
export function addClass(element, value) {
|
||||
if (!value) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (isNumber(element.length)) {
|
||||
each(element, (elem) => {
|
||||
addClass(elem, value);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (element.classList) {
|
||||
element.classList.add(value);
|
||||
return;
|
||||
}
|
||||
|
||||
const className = element.className.trim();
|
||||
|
||||
if (!className) {
|
||||
element.className = value;
|
||||
} else if (className.indexOf(value) < 0) {
|
||||
element.className = `${className} ${value}`;
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove classes from the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} value - The classes to be removed.
|
||||
*/
|
||||
export function removeClass(element, value) {
|
||||
if (!value) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (isNumber(element.length)) {
|
||||
each(element, (elem) => {
|
||||
removeClass(elem, value);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (element.classList) {
|
||||
element.classList.remove(value);
|
||||
return;
|
||||
}
|
||||
|
||||
if (element.className.indexOf(value) >= 0) {
|
||||
element.className = element.className.replace(value, '');
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add or remove classes from the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} value - The classes to be toggled.
|
||||
* @param {boolean} added - Add only.
|
||||
*/
|
||||
export function toggleClass(element, value, added) {
|
||||
if (!value) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (isNumber(element.length)) {
|
||||
each(element, (elem) => {
|
||||
toggleClass(elem, value, added);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
// IE10-11 doesn't support the second parameter of `classList.toggle`
|
||||
if (added) {
|
||||
addClass(element, value);
|
||||
} else {
|
||||
removeClass(element, value);
|
||||
}
|
||||
}
|
||||
|
||||
const REGEXP_HYPHENATE = /([a-z\d])([A-Z])/g;
|
||||
|
||||
/**
|
||||
* Hyphenate the given value.
|
||||
* @param {string} value - The value to hyphenate.
|
||||
* @returns {string} The hyphenated value.
|
||||
*/
|
||||
export function hyphenate(value) {
|
||||
return value.replace(REGEXP_HYPHENATE, '$1-$2').toLowerCase();
|
||||
}
|
||||
|
||||
/**
|
||||
* Get data from the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} name - The data key to get.
|
||||
* @returns {string} The data value.
|
||||
*/
|
||||
export function getData(element, name) {
|
||||
if (isObject(element[name])) {
|
||||
return element[name];
|
||||
} else if (element.dataset) {
|
||||
return element.dataset[name];
|
||||
}
|
||||
|
||||
return element.getAttribute(`data-${hyphenate(name)}`);
|
||||
}
|
||||
|
||||
/**
|
||||
* Set data to the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} name - The data key to set.
|
||||
* @param {string} data - The data value.
|
||||
*/
|
||||
export function setData(element, name, data) {
|
||||
if (isObject(data)) {
|
||||
element[name] = data;
|
||||
} else if (element.dataset) {
|
||||
element.dataset[name] = data;
|
||||
} else {
|
||||
element.setAttribute(`data-${hyphenate(name)}`, data);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Remove data from the given element.
|
||||
* @param {Element} element - The target element.
|
||||
* @param {string} name - The data key to remove.
|
||||
*/
|
||||
export function removeData(element, name) {
|
||||
if (isObject(element[name])) {
|
||||
try {
|
||||
delete element[name];
|
||||
} catch (e) {
|
||||
element[name] = null;
|
||||
}
|
||||
} else if (element.dataset) {
|
||||
// #128 Safari not allows to delete dataset property
|
||||
try {
|
||||
delete element.dataset[name];
|
||||
} catch (e) {
|
||||
element.dataset[name] = null;
|
||||
}
|
||||
} else {
|
||||
element.removeAttribute(`data-${hyphenate(name)}`);
|
||||
}
|
||||
}
|
||||
|
||||
const REGEXP_SPACES = /\s\s*/;
|
||||
|
||||
/**
|
||||
* Remove event listener from the target element.
|
||||
* @param {Element} element - The event target.
|
||||
* @param {string} type - The event type(s).
|
||||
* @param {Function} listener - The event listener.
|
||||
* @param {Object} options - The event options.
|
||||
*/
|
||||
export function removeListener(element, type, listener, options = {}) {
|
||||
if (!isFunction(listener)) {
|
||||
return;
|
||||
}
|
||||
|
||||
const types = type.trim().split(REGEXP_SPACES);
|
||||
|
||||
if (types.length > 1) {
|
||||
each(types, (t) => {
|
||||
removeListener(element, t, listener, options);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (element.removeEventListener) {
|
||||
element.removeEventListener(type, listener, options);
|
||||
} else if (element.detachEvent) {
|
||||
element.detachEvent(`on${type}`, listener);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Add event listener to the target element.
|
||||
* @param {Element} element - The event target.
|
||||
* @param {string} type - The event type(s).
|
||||
* @param {Function} listener - The event listener.
|
||||
* @param {Object} options - The event options.
|
||||
*/
|
||||
export function addListener(element, type, listener, options = {}) {
|
||||
if (!isFunction(listener)) {
|
||||
return;
|
||||
}
|
||||
|
||||
const types = type.trim().split(REGEXP_SPACES);
|
||||
|
||||
if (types.length > 1) {
|
||||
each(types, (t) => {
|
||||
addListener(element, t, listener, options);
|
||||
});
|
||||
return;
|
||||
}
|
||||
|
||||
if (options.once) {
|
||||
const originalListener = listener;
|
||||
|
||||
listener = (...args) => {
|
||||
removeListener(element, type, listener, options);
|
||||
return originalListener.apply(element, args);
|
||||
};
|
||||
}
|
||||
|
||||
if (element.addEventListener) {
|
||||
element.addEventListener(type, listener, options);
|
||||
} else if (element.attachEvent) {
|
||||
element.attachEvent(`on${type}`, listener);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Dispatch event on the target element.
|
||||
* @param {Element} element - The event target.
|
||||
* @param {string} type - The event type(s).
|
||||
* @param {Object} data - The additional event data.
|
||||
* @returns {boolean} Indicate if the event is default prevented or not.
|
||||
*/
|
||||
export function dispatchEvent(element, type, data) {
|
||||
if (element.dispatchEvent) {
|
||||
let event;
|
||||
|
||||
// Event and CustomEvent on IE9-11 are global objects, not constructors
|
||||
if (isFunction(Event) && isFunction(CustomEvent)) {
|
||||
if (isUndefined(data)) {
|
||||
event = new Event(type, {
|
||||
bubbles: true,
|
||||
cancelable: true,
|
||||
});
|
||||
} else {
|
||||
event = new CustomEvent(type, {
|
||||
detail: data,
|
||||
bubbles: true,
|
||||
cancelable: true,
|
||||
});
|
||||
}
|
||||
} else if (isUndefined(data)) {
|
||||
event = document.createEvent('Event');
|
||||
event.initEvent(type, true, true);
|
||||
} else {
|
||||
event = document.createEvent('CustomEvent');
|
||||
event.initCustomEvent(type, true, true, data);
|
||||
}
|
||||
|
||||
// IE9+
|
||||
return element.dispatchEvent(event);
|
||||
} else if (element.fireEvent) {
|
||||
// IE6-10 (native events only)
|
||||
return element.fireEvent(`on${type}`);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the offset base on the document.
|
||||
* @param {Element} element - The target element.
|
||||
* @returns {Object} The offset data.
|
||||
*/
|
||||
export function getOffset(element) {
|
||||
const doc = document.documentElement;
|
||||
const box = element.getBoundingClientRect();
|
||||
|
||||
return {
|
||||
left: box.left + (
|
||||
(window.scrollX || (doc && doc.scrollLeft) || 0) - ((doc && doc.clientLeft) || 0)
|
||||
),
|
||||
top: box.top + (
|
||||
(window.scrollY || (doc && doc.scrollTop) || 0) - ((doc && doc.clientTop) || 0)
|
||||
),
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Empty an element.
|
||||
* @param {Element} element - The element to empty.
|
||||
*/
|
||||
export function empty(element) {
|
||||
while (element.firstChild) {
|
||||
element.removeChild(element.firstChild);
|
||||
}
|
||||
}
|
||||
|
||||
const { location } = WINDOW;
|
||||
const REGEXP_ORIGINS = /^(https?:)\/\/([^:/?#]+):?(\d*)/i;
|
||||
|
||||
/**
|
||||
* Check if the given URL is a cross origin URL.
|
||||
* @param {string} url - The target URL.
|
||||
* @returns {boolean} Returns `true` if the given URL is a cross origin URL, else `false`.
|
||||
*/
|
||||
export function isCrossOriginURL(url) {
|
||||
const parts = url.match(REGEXP_ORIGINS);
|
||||
|
||||
return parts && (
|
||||
parts[1] !== location.protocol ||
|
||||
parts[2] !== location.hostname ||
|
||||
parts[3] !== location.port
|
||||
);
|
||||
}
|
||||
|
||||
/**
|
||||
* Add timestamp to the given URL.
|
||||
* @param {string} url - The target URL.
|
||||
* @returns {string} The result URL.
|
||||
*/
|
||||
export function addTimestamp(url) {
|
||||
const timestamp = `timestamp=${(new Date()).getTime()}`;
|
||||
|
||||
return (url + (url.indexOf('?') === -1 ? '?' : '&') + timestamp);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get transforms base on the given object.
|
||||
* @param {Object} obj - The target object.
|
||||
* @returns {string} A string contains transform values.
|
||||
*/
|
||||
export function getTransforms({
|
||||
rotate,
|
||||
scaleX,
|
||||
scaleY,
|
||||
translateX,
|
||||
translateY,
|
||||
}) {
|
||||
const values = [];
|
||||
|
||||
if (isNumber(translateX) && translateX !== 0) {
|
||||
values.push(`translateX(${translateX}px)`);
|
||||
}
|
||||
|
||||
if (isNumber(translateY) && translateY !== 0) {
|
||||
values.push(`translateY(${translateY}px)`);
|
||||
}
|
||||
|
||||
// Rotate should come first before scale to match orientation transform
|
||||
if (isNumber(rotate) && rotate !== 0) {
|
||||
values.push(`rotate(${rotate}deg)`);
|
||||
}
|
||||
|
||||
if (isNumber(scaleX) && scaleX !== 1) {
|
||||
values.push(`scaleX(${scaleX})`);
|
||||
}
|
||||
|
||||
if (isNumber(scaleY) && scaleY !== 1) {
|
||||
values.push(`scaleY(${scaleY})`);
|
||||
}
|
||||
|
||||
const transform = values.length ? values.join(' ') : 'none';
|
||||
|
||||
return {
|
||||
WebkitTransform: transform,
|
||||
msTransform: transform,
|
||||
transform,
|
||||
};
|
||||
}
|
||||
|
||||
const { navigator } = WINDOW;
|
||||
const IS_SAFARI_OR_UIWEBVIEW = navigator && /(Macintosh|iPhone|iPod|iPad).*AppleWebKit/i.test(navigator.userAgent);
|
||||
|
||||
/**
|
||||
* Get an image's natural sizes.
|
||||
* @param {string} image - The target image.
|
||||
* @param {Function} callback - The callback function.
|
||||
*/
|
||||
export function getImageNaturalSizes(image, callback) {
|
||||
// Modern browsers (except Safari)
|
||||
if (image.naturalWidth && !IS_SAFARI_OR_UIWEBVIEW) {
|
||||
callback(image.naturalWidth, image.naturalHeight);
|
||||
return;
|
||||
}
|
||||
|
||||
const newImage = document.createElement('img');
|
||||
const body = document.body || document.documentElement;
|
||||
|
||||
newImage.onload = () => {
|
||||
callback(newImage.width, newImage.height);
|
||||
|
||||
if (!IS_SAFARI_OR_UIWEBVIEW) {
|
||||
body.removeChild(newImage);
|
||||
}
|
||||
};
|
||||
|
||||
newImage.src = image.src;
|
||||
|
||||
// iOS Safari will convert the image automatically
|
||||
// with its orientation once append it into DOM (#279)
|
||||
if (!IS_SAFARI_OR_UIWEBVIEW) {
|
||||
newImage.style.cssText = (
|
||||
'left:0;' +
|
||||
'max-height:none!important;' +
|
||||
'max-width:none!important;' +
|
||||
'min-height:0!important;' +
|
||||
'min-width:0!important;' +
|
||||
'opacity:0;' +
|
||||
'position:absolute;' +
|
||||
'top:0;' +
|
||||
'z-index:-1;'
|
||||
);
|
||||
body.appendChild(newImage);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the max ratio of a group of pointers.
|
||||
* @param {string} pointers - The target pointers.
|
||||
* @returns {number} The result ratio.
|
||||
*/
|
||||
export function getMaxZoomRatio(pointers) {
|
||||
const pointers2 = extend({}, pointers);
|
||||
const ratios = [];
|
||||
|
||||
each(pointers, (pointer, pointerId) => {
|
||||
delete pointers2[pointerId];
|
||||
|
||||
each(pointers2, (pointer2) => {
|
||||
const x1 = Math.abs(pointer.startX - pointer2.startX);
|
||||
const y1 = Math.abs(pointer.startY - pointer2.startY);
|
||||
const x2 = Math.abs(pointer.endX - pointer2.endX);
|
||||
const y2 = Math.abs(pointer.endY - pointer2.endY);
|
||||
const z1 = Math.sqrt((x1 * x1) + (y1 * y1));
|
||||
const z2 = Math.sqrt((x2 * x2) + (y2 * y2));
|
||||
const ratio = (z2 - z1) / z1;
|
||||
|
||||
ratios.push(ratio);
|
||||
});
|
||||
});
|
||||
|
||||
ratios.sort((a, b) => Math.abs(a) < Math.abs(b));
|
||||
|
||||
return ratios[0];
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a pointer from an event object.
|
||||
* @param {Object} event - The target event object.
|
||||
* @param {boolean} endOnly - Indicates if only returns the end point coordinate or not.
|
||||
* @returns {Object} The result pointer contains start and/or end point coordinates.
|
||||
*/
|
||||
export function getPointer({ pageX, pageY }, endOnly) {
|
||||
const end = {
|
||||
endX: pageX,
|
||||
endY: pageY,
|
||||
};
|
||||
|
||||
if (endOnly) {
|
||||
return end;
|
||||
}
|
||||
|
||||
return extend({
|
||||
startX: pageX,
|
||||
startY: pageY,
|
||||
}, end);
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the center point coordinate of a group of pointers.
|
||||
* @param {Object} pointers - The target pointers.
|
||||
* @returns {Object} The center point coordinate.
|
||||
*/
|
||||
export function getPointersCenter(pointers) {
|
||||
let pageX = 0;
|
||||
let pageY = 0;
|
||||
let count = 0;
|
||||
|
||||
each(pointers, ({ startX, startY }) => {
|
||||
pageX += startX;
|
||||
pageY += startY;
|
||||
count += 1;
|
||||
});
|
||||
|
||||
pageX /= count;
|
||||
pageY /= count;
|
||||
|
||||
return {
|
||||
pageX,
|
||||
pageY,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Check if the given value is a finite number.
|
||||
*/
|
||||
export const isFinite = Number.isFinite || WINDOW.isFinite;
|
||||
|
||||
/**
|
||||
* Get the max sizes in a rectangle under the given aspect ratio.
|
||||
* @param {Object} data - The original sizes.
|
||||
* @param {string} [type='contain'] - The adjust type.
|
||||
* @returns {Object} The result sizes.
|
||||
*/
|
||||
export function getAdjustedSizes(
|
||||
{
|
||||
aspectRatio,
|
||||
height,
|
||||
width,
|
||||
},
|
||||
type = 'contain', // or 'cover'
|
||||
) {
|
||||
const isValidNumber = value => isFinite(value) && value > 0;
|
||||
|
||||
if (isValidNumber(width) && isValidNumber(height)) {
|
||||
const adjustedWidth = height * aspectRatio;
|
||||
|
||||
if ((type === 'contain' && adjustedWidth > width) || (type === 'cover' && adjustedWidth < width)) {
|
||||
height = width / aspectRatio;
|
||||
} else {
|
||||
width = height * aspectRatio;
|
||||
}
|
||||
} else if (isValidNumber(width)) {
|
||||
height = width / aspectRatio;
|
||||
} else if (isValidNumber(height)) {
|
||||
width = height * aspectRatio;
|
||||
}
|
||||
|
||||
return {
|
||||
width,
|
||||
height,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Get the new sizes of a rectangle after rotated.
|
||||
* @param {Object} data - The original sizes.
|
||||
* @returns {Object} The result sizes.
|
||||
*/
|
||||
export function getRotatedSizes({ width, height, degree }) {
|
||||
degree = Math.abs(degree) % 180;
|
||||
|
||||
if (degree === 90) {
|
||||
return {
|
||||
width: height,
|
||||
height: width,
|
||||
};
|
||||
}
|
||||
|
||||
const arc = ((degree % 90) * Math.PI) / 180;
|
||||
const sinArc = Math.sin(arc);
|
||||
const cosArc = Math.cos(arc);
|
||||
const newWidth = (width * cosArc) + (height * sinArc);
|
||||
const newHeight = (width * sinArc) + (height * cosArc);
|
||||
|
||||
return degree > 90 ? {
|
||||
width: newHeight,
|
||||
height: newWidth,
|
||||
} : {
|
||||
width: newWidth,
|
||||
height: newHeight,
|
||||
};
|
||||
}
|
||||
|
||||
/**
|
||||
* Get a canvas which drew the given image.
|
||||
* @param {HTMLImageElement} image - The image for drawing.
|
||||
* @param {Object} imageData - The image data.
|
||||
* @param {Object} canvasData - The canvas data.
|
||||
* @param {Object} options - The options.
|
||||
* @returns {HTMLCanvasElement} The result canvas.
|
||||
*/
|
||||
export function getSourceCanvas(
|
||||
image,
|
||||
{
|
||||
rotate = 0,
|
||||
scaleX = 1,
|
||||
scaleY = 1,
|
||||
},
|
||||
{
|
||||
aspectRatio,
|
||||
naturalWidth,
|
||||
naturalHeight,
|
||||
},
|
||||
{
|
||||
fillColor = 'transparent',
|
||||
imageSmoothingEnabled = true,
|
||||
imageSmoothingQuality = 'low',
|
||||
maxWidth = Infinity,
|
||||
maxHeight = Infinity,
|
||||
minWidth = 0,
|
||||
minHeight = 0,
|
||||
},
|
||||
) {
|
||||
const canvas = document.createElement('canvas');
|
||||
const context = canvas.getContext('2d');
|
||||
const maxSizes = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: maxWidth,
|
||||
height: maxHeight,
|
||||
});
|
||||
const minSizes = getAdjustedSizes({
|
||||
aspectRatio,
|
||||
width: minWidth,
|
||||
height: minHeight,
|
||||
}, 'cover');
|
||||
const width = Math.min(maxSizes.width, Math.max(minSizes.width, naturalWidth));
|
||||
const height = Math.min(maxSizes.height, Math.max(minSizes.height, naturalHeight));
|
||||
const params = [
|
||||
-width / 2,
|
||||
-height / 2,
|
||||
width,
|
||||
height,
|
||||
];
|
||||
|
||||
canvas.width = normalizeDecimalNumber(width);
|
||||
canvas.height = normalizeDecimalNumber(height);
|
||||
context.fillStyle = fillColor;
|
||||
context.fillRect(0, 0, width, height);
|
||||
context.save();
|
||||
context.translate(width / 2, height / 2);
|
||||
context.rotate((rotate * Math.PI) / 180);
|
||||
context.scale(scaleX, scaleY);
|
||||
context.imageSmoothingEnabled = imageSmoothingEnabled;
|
||||
context.imageSmoothingQuality = imageSmoothingQuality;
|
||||
context.drawImage(image, ...params.map(param => Math.floor(normalizeDecimalNumber(param))));
|
||||
context.restore();
|
||||
return canvas;
|
||||
}
|
||||
|
||||
const { fromCharCode } = String;
|
||||
|
||||
/**
|
||||
* Get string from char code in data view.
|
||||
* @param {DataView} dataView - The data view for read.
|
||||
* @param {number} start - The start index.
|
||||
* @param {number} length - The read length.
|
||||
* @returns {string} The read result.
|
||||
*/
|
||||
export function getStringFromCharCode(dataView, start, length) {
|
||||
let str = '';
|
||||
let i;
|
||||
|
||||
length += start;
|
||||
|
||||
for (i = start; i < length; i += 1) {
|
||||
str += fromCharCode(dataView.getUint8(i));
|
||||
}
|
||||
|
||||
return str;
|
||||
}
|
||||
|
||||
const REGEXP_DATA_URL_HEAD = /^data:.*,/;
|
||||
|
||||
/**
|
||||
* Transform Data URL to array buffer.
|
||||
* @param {string} dataURL - The Data URL to transform.
|
||||
* @returns {ArrayBuffer} The result array buffer.
|
||||
*/
|
||||
export function dataURLToArrayBuffer(dataURL) {
|
||||
const base64 = dataURL.replace(REGEXP_DATA_URL_HEAD, '');
|
||||
const binary = atob(base64);
|
||||
const arrayBuffer = new ArrayBuffer(binary.length);
|
||||
const uint8 = new Uint8Array(arrayBuffer);
|
||||
|
||||
each(uint8, (value, i) => {
|
||||
uint8[i] = binary.charCodeAt(i);
|
||||
});
|
||||
|
||||
return arrayBuffer;
|
||||
}
|
||||
|
||||
/**
|
||||
* Transform array buffer to Data URL.
|
||||
* @param {ArrayBuffer} arrayBuffer - The array buffer to transform.
|
||||
* @param {string} mimeType - The mime type of the Data URL.
|
||||
* @returns {string} The result Data URL.
|
||||
*/
|
||||
export function arrayBufferToDataURL(arrayBuffer, mimeType) {
|
||||
const uint8 = new Uint8Array(arrayBuffer);
|
||||
let data = '';
|
||||
|
||||
// TypedArray.prototype.forEach is not supported in some browsers.
|
||||
each(uint8, (value) => {
|
||||
data += fromCharCode(value);
|
||||
});
|
||||
|
||||
return `data:${mimeType};base64,${btoa(data)}`;
|
||||
}
|
||||
|
||||
/**
|
||||
* Get orientation value from given array buffer.
|
||||
* @param {ArrayBuffer} arrayBuffer - The array buffer to read.
|
||||
* @returns {number} The read orientation value.
|
||||
*/
|
||||
export function getOrientation(arrayBuffer) {
|
||||
const dataView = new DataView(arrayBuffer);
|
||||
let orientation;
|
||||
let littleEndian;
|
||||
let app1Start;
|
||||
let ifdStart;
|
||||
|
||||
// Only handle JPEG image (start by 0xFFD8)
|
||||
if (dataView.getUint8(0) === 0xFF && dataView.getUint8(1) === 0xD8) {
|
||||
const length = dataView.byteLength;
|
||||
let offset = 2;
|
||||
|
||||
while (offset < length) {
|
||||
if (dataView.getUint8(offset) === 0xFF && dataView.getUint8(offset + 1) === 0xE1) {
|
||||
app1Start = offset;
|
||||
break;
|
||||
}
|
||||
|
||||
offset += 1;
|
||||
}
|
||||
}
|
||||
|
||||
if (app1Start) {
|
||||
const exifIDCode = app1Start + 4;
|
||||
const tiffOffset = app1Start + 10;
|
||||
|
||||
if (getStringFromCharCode(dataView, exifIDCode, 4) === 'Exif') {
|
||||
const endianness = dataView.getUint16(tiffOffset);
|
||||
|
||||
littleEndian = endianness === 0x4949;
|
||||
|
||||
if (littleEndian || endianness === 0x4D4D /* bigEndian */) {
|
||||
if (dataView.getUint16(tiffOffset + 2, littleEndian) === 0x002A) {
|
||||
const firstIFDOffset = dataView.getUint32(tiffOffset + 4, littleEndian);
|
||||
|
||||
if (firstIFDOffset >= 0x00000008) {
|
||||
ifdStart = tiffOffset + firstIFDOffset;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (ifdStart) {
|
||||
const length = dataView.getUint16(ifdStart, littleEndian);
|
||||
let offset;
|
||||
let i;
|
||||
|
||||
for (i = 0; i < length; i += 1) {
|
||||
offset = ifdStart + (i * 12) + 2;
|
||||
|
||||
if (dataView.getUint16(offset, littleEndian) === 0x0112 /* Orientation */) {
|
||||
// 8 is the offset of the current tag's value
|
||||
offset += 8;
|
||||
|
||||
// Get the original orientation value
|
||||
orientation = dataView.getUint16(offset, littleEndian);
|
||||
|
||||
// Override the orientation with its default value
|
||||
dataView.setUint16(offset, 1, littleEndian);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return orientation;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse Exif Orientation value.
|
||||
* @param {number} orientation - The orientation to parse.
|
||||
* @returns {Object} The parsed result.
|
||||
*/
|
||||
export function parseOrientation(orientation) {
|
||||
let rotate = 0;
|
||||
let scaleX = 1;
|
||||
let scaleY = 1;
|
||||
|
||||
switch (orientation) {
|
||||
// Flip horizontal
|
||||
case 2:
|
||||
scaleX = -1;
|
||||
break;
|
||||
|
||||
// Rotate left 180°
|
||||
case 3:
|
||||
rotate = -180;
|
||||
break;
|
||||
|
||||
// Flip vertical
|
||||
case 4:
|
||||
scaleY = -1;
|
||||
break;
|
||||
|
||||
// Flip vertical and rotate right 90°
|
||||
case 5:
|
||||
rotate = 90;
|
||||
scaleY = -1;
|
||||
break;
|
||||
|
||||
// Rotate right 90°
|
||||
case 6:
|
||||
rotate = 90;
|
||||
break;
|
||||
|
||||
// Flip horizontal and rotate right 90°
|
||||
case 7:
|
||||
rotate = 90;
|
||||
scaleX = -1;
|
||||
break;
|
||||
|
||||
// Rotate left 90°
|
||||
case 8:
|
||||
rotate = -90;
|
||||
break;
|
||||
|
||||
default:
|
||||
}
|
||||
|
||||
return {
|
||||
rotate,
|
||||
scaleX,
|
||||
scaleY,
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user