Refactor photo_driver to use namespaces.
Add simple UnitTest, but it is not yet very meaningful.
This commit is contained in:
Klaus Weidenbach
468
Zotlabs/Photo/PhotoDriver.php
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468
Zotlabs/Photo/PhotoDriver.php
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@@ -0,0 +1,468 @@
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<?php
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namespace Zotlabs\Photo;
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/**
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* @brief Abstract photo driver class.
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*
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* Inheritance seems not to be the best design pattern for such photo drivers.
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*/
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abstract class PhotoDriver {
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/**
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* @brief This variable keeps the image.
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*
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* For GD it is a PHP image resource.
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* For ImageMagick it is an \Imagick object.
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*
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* @var resource|\Imagick
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*/
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protected $image;
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/**
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* @var integer
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*/
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protected $width;
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/**
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* @var integer
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*/
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protected $height;
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/**
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* @var boolean
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*/
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protected $valid;
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/**
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* @brief The mimetype of the image.
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*
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* @var string
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*/
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protected $type;
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/**
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* @brief Supported mimetypes by the used photo driver.
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*
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* @var array
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*/
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protected $types;
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/**
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* @brief Return an array with supported mimetypes.
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*
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* @return array
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* Associative array with mimetype as key and file extension as value.
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*/
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abstract public function supportedTypes();
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abstract protected function load($data, $type);
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abstract protected function destroy();
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abstract protected function setDimensions();
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/**
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* @brief Return the current image.
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*
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* @fixme Shouldn't his method be protected, because outside of the current
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* driver it makes no sense at all because of the different return values.
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*
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* @return boolean|resource|\Imagick
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* false on failure, a PHP image resource for GD driver, an \Imagick object
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* for ImageMagick driver.
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*/
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abstract public function getImage();
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abstract public function doScaleImage($new_width, $new_height);
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abstract public function rotate($degrees);
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abstract public function flip($horiz = true, $vert = false);
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abstract public function cropImage($max, $x, $y, $w, $h);
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abstract public function cropImageRect($maxx, $maxy, $x, $y, $w, $h);
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/**
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* @brief Return a binary string from the image resource.
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*
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* @return string A Binary String.
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*/
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abstract public function imageString();
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abstract public function clearexif();
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/**
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* @brief PhotoDriver constructor.
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*
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* @param string $data Image
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* @param string $type mimetype
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*/
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public function __construct($data, $type = '') {
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$this->types = $this->supportedTypes();
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if(! array_key_exists($type, $this->types)) {
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$type = 'image/jpeg';
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}
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$this->type = $type;
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$this->valid = false;
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$this->load($data, $type);
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}
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public function __destruct() {
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if($this->is_valid())
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$this->destroy();
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}
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/**
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* @brief Is it a valid image object.
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*
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* @return boolean
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*/
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public function is_valid() {
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return $this->valid;
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}
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/**
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* @brief Get the width of the image.
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*
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* @return boolean|number Width of image in pixels, or false on failure
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*/
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public function getWidth() {
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if(! $this->is_valid())
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return false;
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return $this->width;
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}
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/**
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* @brief Get the height of the image.
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*
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* @return boolean|number Height of image in pixels, or false on failure
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*/
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public function getHeight() {
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if(! $this->is_valid())
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return false;
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return $this->height;
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}
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/**
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* @brief Saves the image resource to a file in filesystem.
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*
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* @param string $path Path and filename where to save the image
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* @return boolean False on failure, otherwise true
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*/
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public function saveImage($path) {
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if(! $this->is_valid())
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return false;
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return (file_put_contents($path, $this->imageString()) ? true : false);
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}
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/**
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* @brief Return mimetype of the image resource.
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*
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* @return boolean|string False on failure, otherwise mimetype.
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*/
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public function getType() {
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if(! $this->is_valid())
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return false;
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return $this->type;
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}
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/**
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* @brief Return file extension of the image resource.
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*
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* @return boolean|string False on failure, otherwise file extension.
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*/
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public function getExt() {
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if(! $this->is_valid())
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return false;
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return $this->types[$this->getType()];
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}
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/**
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* @brief Scale image to max pixel size in either dimension.
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*
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* @param int $max maximum pixel size in either dimension
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* @param boolean $float_height (optional)
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* If true allow height to float to any length on tall images, constraining
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* only the width
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* @return boolean|void false on failure, otherwise void
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*/
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public function scaleImage($max, $float_height = true) {
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if(! $this->is_valid())
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return false;
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$width = $this->width;
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$height = $this->height;
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$dest_width = $dest_height = 0;
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if((! $width) || (! $height))
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return false;
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if($width > $max && $height > $max) {
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// very tall image (greater than 16:9)
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// constrain the width - let the height float.
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if(((($height * 9) / 16) > $width) && ($float_height)) {
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$dest_width = $max;
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$dest_height = intval(($height * $max) / $width);
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} // else constrain both dimensions
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elseif($width > $height) {
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$dest_width = $max;
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$dest_height = intval(($height * $max) / $width);
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} else {
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$dest_width = intval(($width * $max) / $height);
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$dest_height = $max;
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}
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} else {
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if($width > $max) {
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$dest_width = $max;
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$dest_height = intval(($height * $max) / $width);
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} else {
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if($height > $max) {
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// very tall image (greater than 16:9)
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// but width is OK - don't do anything
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if(((($height * 9) / 16) > $width) && ($float_height)) {
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$dest_width = $width;
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$dest_height = $height;
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} else {
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$dest_width = intval(($width * $max) / $height);
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$dest_height = $max;
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}
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} else {
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$dest_width = $width;
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$dest_height = $height;
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}
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}
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}
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$this->doScaleImage($dest_width, $dest_height);
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}
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public function scaleImageUp($min) {
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if(! $this->is_valid()) {
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return false;
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}
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$width = $this->width;
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$height = $this->height;
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$dest_width = $dest_height = 0;
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if((! $width) || (! $height))
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return false;
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if($width < $min && $height < $min) {
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if($width > $height) {
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$dest_width = $min;
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$dest_height = intval(($height * $min) / $width);
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} else {
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$dest_width = intval(($width * $min) / $height);
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$dest_height = $min;
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}
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} else {
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if($width < $min) {
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$dest_width = $min;
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$dest_height = intval(($height * $min) / $width);
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} else {
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if($height < $min) {
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$dest_width = intval(($width * $min) / $height);
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$dest_height = $min;
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} else {
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$dest_width = $width;
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$dest_height = $height;
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}
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}
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}
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$this->doScaleImage($dest_width, $dest_height);
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}
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/**
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* @brief Scales image to a square.
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*
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* @param int $dim Pixel of square image
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* @return boolean|void false on failure, otherwise void
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*/
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public function scaleImageSquare($dim) {
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if(! $this->is_valid())
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return false;
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$this->doScaleImage($dim, $dim);
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}
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/**
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* @brief Reads exif data from a given filename.
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*
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* @param string $filename
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* @return boolean|array
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*/
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public function exif($filename) {
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if((! function_exists('exif_read_data'))
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|| (! in_array($this->getType(), ['image/jpeg', 'image/tiff'])))
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{
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return false;
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}
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/*
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* PHP 7.2 allows you to use a stream resource, which should reduce/avoid
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* memory exhaustion on large images.
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*/
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if(version_compare(PHP_VERSION, '7.2.0') >= 0) {
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$f = @fopen($filename, 'rb');
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} else {
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$f = $filename;
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}
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if($f) {
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return @exif_read_data($f, null, true);
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}
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return false;
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}
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/**
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* @brief Orients current image based on exif orientation information.
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*
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* @param array $exif
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* @return boolean true if oriented, otherwise false
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*/
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public function orient($exif) {
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if(! ($this->is_valid() && $exif)) {
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return false;
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}
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$ort = ((array_key_exists('IFD0', $exif)) ? $exif['IFD0']['Orientation'] : $exif['Orientation']);
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if(! $ort) {
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return false;
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}
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switch($ort) {
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case 1 : // nothing
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break;
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case 2 : // horizontal flip
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$this->flip();
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break;
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case 3 : // 180 rotate left
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$this->rotate(180);
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break;
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case 4 : // vertical flip
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$this->flip(false, true);
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break;
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case 5 : // vertical flip + 90 rotate right
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$this->flip(false, true);
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$this->rotate(-90);
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break;
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case 6 : // 90 rotate right
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$this->rotate(-90);
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break;
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case 7 : // horizontal flip + 90 rotate right
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$this->flip();
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$this->rotate(-90);
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break;
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case 8 : // 90 rotate left
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$this->rotate(90);
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break;
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default :
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break;
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}
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return true;
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}
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/**
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* @brief Save photo to database.
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*
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* @param array $arr
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* @param boolean $skipcheck (optional) default false
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* @return boolean|array
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*/
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public function save($arr, $skipcheck = false) {
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if(! ($skipcheck || $this->is_valid())) {
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logger('Attempt to store invalid photo.');
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return false;
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}
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$p = [];
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$p['aid'] = ((intval($arr['aid'])) ? intval($arr['aid']) : 0);
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$p['uid'] = ((intval($arr['uid'])) ? intval($arr['uid']) : 0);
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$p['xchan'] = (($arr['xchan']) ? $arr['xchan'] : '');
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$p['resource_id'] = (($arr['resource_id']) ? $arr['resource_id'] : '');
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$p['filename'] = (($arr['filename']) ? $arr['filename'] : '');
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$p['mimetype'] = (($arr['mimetype']) ? $arr['mimetype'] : $this->getType());
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$p['album'] = (($arr['album']) ? $arr['album'] : '');
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$p['imgscale'] = ((intval($arr['imgscale'])) ? intval($arr['imgscale']) : 0);
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$p['allow_cid'] = (($arr['allow_cid']) ? $arr['allow_cid'] : '');
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$p['allow_gid'] = (($arr['allow_gid']) ? $arr['allow_gid'] : '');
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$p['deny_cid'] = (($arr['deny_cid']) ? $arr['deny_cid'] : '');
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$p['deny_gid'] = (($arr['deny_gid']) ? $arr['deny_gid'] : '');
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$p['edited'] = (($arr['edited']) ? $arr['edited'] : datetime_convert());
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$p['title'] = (($arr['title']) ? $arr['title'] : '');
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$p['description'] = (($arr['description']) ? $arr['description'] : '');
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$p['photo_usage'] = intval($arr['photo_usage']);
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$p['os_storage'] = intval($arr['os_storage']);
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$p['os_path'] = $arr['os_path'];
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$p['os_syspath'] = ((array_key_exists('os_syspath', $arr)) ? $arr['os_syspath'] : '');
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$p['display_path'] = (($arr['display_path']) ? $arr['display_path'] : '');
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$p['width'] = (($arr['width']) ? $arr['width'] : $this->getWidth());
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$p['height'] = (($arr['height']) ? $arr['height'] : $this->getHeight());
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$p['expires'] = (($arr['expires']) ? $arr['expires'] : gmdate('Y-m-d H:i:s', time() + get_config('system', 'photo_cache_time', 86400)));
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if(! intval($p['imgscale']))
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logger('save: ' . print_r($arr, true), LOGGER_DATA);
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$x = q("select id, created from photo where resource_id = '%s' and uid = %d and xchan = '%s' and imgscale = %d limit 1", dbesc($p['resource_id']), intval($p['uid']), dbesc($p['xchan']), intval($p['imgscale']));
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if($x) {
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$p['created'] = (($x['created']) ? $x['created'] : $p['edited']);
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$r = q("UPDATE photo set
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aid = %d,
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uid = %d,
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xchan = '%s',
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resource_id = '%s',
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created = '%s',
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edited = '%s',
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filename = '%s',
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mimetype = '%s',
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album = '%s',
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height = %d,
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width = %d,
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content = '%s',
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os_storage = %d,
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filesize = %d,
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imgscale = %d,
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photo_usage = %d,
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title = '%s',
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description = '%s',
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os_path = '%s',
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display_path = '%s',
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allow_cid = '%s',
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allow_gid = '%s',
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deny_cid = '%s',
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deny_gid = '%s',
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expires = '%s'
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where id = %d",
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intval($p['aid']), intval($p['uid']), dbesc($p['xchan']), dbesc($p['resource_id']), dbescdate($p['created']), dbescdate($p['edited']), dbesc(basename($p['filename'])), dbesc($p['mimetype']), dbesc($p['album']), intval($p['height']), intval($p['width']), (intval($p['os_storage']) ? dbescbin($p['os_syspath']) : dbescbin($this->imageString())), intval($p['os_storage']), (intval($p['os_storage']) ? @filesize($p['os_syspath']) : strlen($this->imageString())), intval($p['imgscale']), intval($p['photo_usage']), dbesc($p['title']), dbesc($p['description']), dbesc($p['os_path']), dbesc($p['display_path']), dbesc($p['allow_cid']), dbesc($p['allow_gid']), dbesc($p['deny_cid']), dbesc($p['deny_gid']), dbescdate($p['expires']), intval($x[0]['id']));
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} else {
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$p['created'] = (($arr['created']) ? $arr['created'] : $p['edited']);
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$r = q("INSERT INTO photo
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( aid, uid, xchan, resource_id, created, edited, filename, mimetype, album, height, width, content, os_storage, filesize, imgscale, photo_usage, title, description, os_path, display_path, allow_cid, allow_gid, deny_cid, deny_gid, expires )
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', %d, %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )", intval($p['aid']), intval($p['uid']), dbesc($p['xchan']), dbesc($p['resource_id']), dbescdate($p['created']), dbescdate($p['edited']), dbesc(basename($p['filename'])), dbesc($p['mimetype']), dbesc($p['album']), intval($p['height']), intval($p['width']), (intval($p['os_storage']) ? dbescbin($p['os_syspath']) : dbescbin($this->imageString())), intval($p['os_storage']), (intval($p['os_storage']) ? @filesize($p['os_syspath']) : strlen($this->imageString())), intval($p['imgscale']), intval($p['photo_usage']), dbesc($p['title']), dbesc($p['description']), dbesc($p['os_path']), dbesc($p['display_path']), dbesc($p['allow_cid']), dbesc($p['allow_gid']), dbesc($p['deny_cid']), dbesc($p['deny_gid']), dbescdate($p['expires']));
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}
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logger('Photo save imgscale ' . $p['imgscale'] . ' returned ' . intval($r));
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return $r;
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}
|
||||
|
||||
}
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194
Zotlabs/Photo/PhotoGd.php
Normal file
194
Zotlabs/Photo/PhotoGd.php
Normal file
@@ -0,0 +1,194 @@
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<?php
|
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|
||||
namespace Zotlabs\Photo;
|
||||
|
||||
/**
|
||||
* @brief GD photo driver.
|
||||
*
|
||||
*/
|
||||
class PhotoGd extends PhotoDriver {
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
* @see \Zotlabs\Photo\PhotoDriver::supportedTypes()
|
||||
*/
|
||||
public function supportedTypes() {
|
||||
$t = [];
|
||||
$t['image/jpeg'] = 'jpg';
|
||||
if(imagetypes() & IMG_PNG)
|
||||
$t['image/png'] = 'png';
|
||||
if(imagetypes() & IMG_GIF)
|
||||
$t['image/gif'] = 'gif';
|
||||
|
||||
return $t;
|
||||
}
|
||||
|
||||
protected function load($data, $type) {
|
||||
$this->valid = false;
|
||||
if(! $data)
|
||||
return;
|
||||
|
||||
$this->image = @imagecreatefromstring($data);
|
||||
if($this->image !== false) {
|
||||
$this->valid = true;
|
||||
$this->setDimensions();
|
||||
imagealphablending($this->image, false);
|
||||
imagesavealpha($this->image, true);
|
||||
}
|
||||
}
|
||||
|
||||
protected function setDimensions() {
|
||||
$this->width = imagesx($this->image);
|
||||
$this->height = imagesy($this->image);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief GD driver does not preserve EXIF, so not need to clear it.
|
||||
*
|
||||
* @return void
|
||||
*/
|
||||
public function clearexif() {
|
||||
return;
|
||||
}
|
||||
|
||||
protected function destroy() {
|
||||
if($this->is_valid()) {
|
||||
imagedestroy($this->image);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Return a PHP image resource of the current image.
|
||||
*
|
||||
* @see \Zotlabs\Photo\PhotoDriver::getImage()
|
||||
*
|
||||
* @return boolean|resource
|
||||
*/
|
||||
public function getImage() {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
return $this->image;
|
||||
}
|
||||
|
||||
public function doScaleImage($dest_width, $dest_height) {
|
||||
|
||||
$dest = imagecreatetruecolor($dest_width, $dest_height);
|
||||
$width = imagesx($this->image);
|
||||
$height = imagesy($this->image);
|
||||
|
||||
imagealphablending($dest, false);
|
||||
imagesavealpha($dest, true);
|
||||
if($this->type == 'image/png')
|
||||
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
|
||||
|
||||
imagecopyresampled($dest, $this->image, 0, 0, 0, 0, $dest_width, $dest_height, $width, $height);
|
||||
if($this->image)
|
||||
imagedestroy($this->image);
|
||||
|
||||
$this->image = $dest;
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
public function rotate($degrees) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image = imagerotate($this->image, $degrees, 0);
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
public function flip($horiz = true, $vert = false) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$w = imagesx($this->image);
|
||||
$h = imagesy($this->image);
|
||||
$flipped = imagecreate($w, $h);
|
||||
if($horiz) {
|
||||
for($x = 0; $x < $w; $x++) {
|
||||
imagecopy($flipped, $this->image, $x, 0, $w - $x - 1, 0, 1, $h);
|
||||
}
|
||||
}
|
||||
if($vert) {
|
||||
for($y = 0; $y < $h; $y++) {
|
||||
imagecopy($flipped, $this->image, 0, $y, 0, $h - $y - 1, $w, 1);
|
||||
}
|
||||
}
|
||||
$this->image = $flipped;
|
||||
$this->setDimensions(); // Shouldn't really be necessary
|
||||
}
|
||||
|
||||
public function cropImage($max, $x, $y, $w, $h) {
|
||||
if(!$this->is_valid())
|
||||
return false;
|
||||
|
||||
$dest = imagecreatetruecolor($max, $max);
|
||||
imagealphablending($dest, false);
|
||||
imagesavealpha($dest, true);
|
||||
if($this->type == 'image/png')
|
||||
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
|
||||
|
||||
imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $max, $max, $w, $h);
|
||||
if($this->image)
|
||||
imagedestroy($this->image);
|
||||
|
||||
$this->image = $dest;
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
public function cropImageRect($maxx, $maxy, $x, $y, $w, $h) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$dest = imagecreatetruecolor($maxx, $maxy);
|
||||
imagealphablending($dest, false);
|
||||
imagesavealpha($dest, true);
|
||||
if($this->type == 'image/png')
|
||||
imagefill($dest, 0, 0, imagecolorallocatealpha($dest, 0, 0, 0, 127)); // fill with alpha
|
||||
|
||||
imagecopyresampled($dest, $this->image, 0, 0, $x, $y, $maxx, $maxy, $w, $h);
|
||||
if($this->image)
|
||||
imagedestroy($this->image);
|
||||
|
||||
$this->image = $dest;
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
/**
|
||||
* {@inheritDoc}
|
||||
* @see \Zotlabs\Photo\PhotoDriver::imageString()
|
||||
*/
|
||||
public function imageString() {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$quality = false;
|
||||
|
||||
ob_start();
|
||||
|
||||
switch($this->getType()){
|
||||
case 'image/png':
|
||||
$quality = get_config('system', 'png_quality');
|
||||
if((! $quality) || ($quality > 9))
|
||||
$quality = PNG_QUALITY;
|
||||
|
||||
\imagepng($this->image, NULL, $quality);
|
||||
break;
|
||||
case 'image/jpeg':
|
||||
// gd can lack imagejpeg(), but we verify during installation it is available
|
||||
default:
|
||||
$quality = get_config('system', 'jpeg_quality');
|
||||
if((! $quality) || ($quality > 100))
|
||||
$quality = JPEG_QUALITY;
|
||||
|
||||
\imagejpeg($this->image, NULL, $quality);
|
||||
break;
|
||||
}
|
||||
$string = ob_get_contents();
|
||||
ob_end_clean();
|
||||
|
||||
return $string;
|
||||
}
|
||||
|
||||
}
|
||||
218
Zotlabs/Photo/PhotoImagick.php
Normal file
218
Zotlabs/Photo/PhotoImagick.php
Normal file
@@ -0,0 +1,218 @@
|
||||
<?php
|
||||
|
||||
namespace Zotlabs\Photo;
|
||||
|
||||
/**
|
||||
* @brief ImageMagick photo driver.
|
||||
*/
|
||||
class PhotoImagick extends PhotoDriver {
|
||||
|
||||
public function supportedTypes() {
|
||||
return [
|
||||
'image/jpeg' => 'jpg',
|
||||
'image/png' => 'png',
|
||||
'image/gif' => 'gif',
|
||||
];
|
||||
}
|
||||
|
||||
private function get_FormatsMap() {
|
||||
return [
|
||||
'image/jpeg' => 'JPG',
|
||||
'image/png' => 'PNG',
|
||||
'image/gif' => 'GIF',
|
||||
];
|
||||
}
|
||||
|
||||
|
||||
protected function load($data, $type) {
|
||||
$this->valid = false;
|
||||
$this->image = new \Imagick();
|
||||
|
||||
if(! $data)
|
||||
return;
|
||||
|
||||
try {
|
||||
$this->image->readImageBlob($data);
|
||||
} catch(\Exception $e) {
|
||||
logger('Imagick readImageBlob() exception:' . print_r($e, true));
|
||||
return;
|
||||
}
|
||||
|
||||
/*
|
||||
* Setup the image to the format it will be saved to
|
||||
*/
|
||||
|
||||
$map = $this->get_FormatsMap();
|
||||
$format = $map[$type];
|
||||
|
||||
if($this->image) {
|
||||
$this->image->setFormat($format);
|
||||
|
||||
// Always coalesce, if it is not a multi-frame image it won't hurt anyway
|
||||
$this->image = $this->image->coalesceImages();
|
||||
|
||||
$this->valid = true;
|
||||
$this->setDimensions();
|
||||
|
||||
/*
|
||||
* setup the compression here, so we'll do it only once
|
||||
*/
|
||||
switch($this->getType()) {
|
||||
case 'image/png':
|
||||
$quality = get_config('system', 'png_quality');
|
||||
if((! $quality) || ($quality > 9))
|
||||
$quality = PNG_QUALITY;
|
||||
/*
|
||||
* From http://www.imagemagick.org/script/command-line-options.php#quality:
|
||||
*
|
||||
* 'For the MNG and PNG image formats, the quality value sets
|
||||
* the zlib compression level (quality / 10) and filter-type (quality % 10).
|
||||
* The default PNG "quality" is 75, which means compression level 7 with adaptive PNG filtering,
|
||||
* unless the image has a color map, in which case it means compression level 7 with no PNG filtering'
|
||||
*/
|
||||
$quality = $quality * 10;
|
||||
$this->image->setCompressionQuality($quality);
|
||||
break;
|
||||
case 'image/jpeg':
|
||||
$quality = get_config('system', 'jpeg_quality');
|
||||
if((! $quality) || ($quality > 100))
|
||||
$quality = JPEG_QUALITY;
|
||||
$this->image->setCompressionQuality($quality);
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
protected function destroy() {
|
||||
if($this->is_valid()) {
|
||||
$this->image->clear();
|
||||
$this->image->destroy();
|
||||
}
|
||||
}
|
||||
|
||||
protected function setDimensions() {
|
||||
$this->width = $this->image->getImageWidth();
|
||||
$this->height = $this->image->getImageHeight();
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Strips the image of all profiles and comments.
|
||||
*
|
||||
* Keep ICC profile for better colors.
|
||||
*
|
||||
* @see \Zotlabs\Photo\PhotoDriver::clearexif()
|
||||
*/
|
||||
public function clearexif() {
|
||||
$profiles = $this->image->getImageProfiles('icc', true);
|
||||
|
||||
$this->image->stripImage();
|
||||
|
||||
if(! empty($profiles)) {
|
||||
$this->image->profileImage('icc', $profiles['icc']);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* @brief Return a \Imagick object of the current image.
|
||||
*
|
||||
* @see \Zotlabs\Photo\PhotoDriver::getImage()
|
||||
*
|
||||
* @return boolean|\Imagick
|
||||
*/
|
||||
public function getImage() {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image = $this->image->deconstructImages();
|
||||
return $this->image;
|
||||
}
|
||||
|
||||
public function doScaleImage($dest_width, $dest_height) {
|
||||
/*
|
||||
* If it is not animated, there will be only one iteration here,
|
||||
* so don't bother checking
|
||||
*/
|
||||
// Don't forget to go back to the first frame
|
||||
$this->image->setFirstIterator();
|
||||
do {
|
||||
$this->image->scaleImage($dest_width, $dest_height);
|
||||
} while($this->image->nextImage());
|
||||
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
public function rotate($degrees) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image->setFirstIterator();
|
||||
do {
|
||||
// ImageMagick rotates in the opposite direction of imagerotate()
|
||||
$this->image->rotateImage(new \ImagickPixel(), -$degrees);
|
||||
} while($this->image->nextImage());
|
||||
|
||||
$this->setDimensions();
|
||||
}
|
||||
|
||||
public function flip($horiz = true, $vert = false) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image->setFirstIterator();
|
||||
do {
|
||||
if($horiz) $this->image->flipImage();
|
||||
if($vert) $this->image->flopImage();
|
||||
} while($this->image->nextImage());
|
||||
|
||||
$this->setDimensions(); // Shouldn't really be necessary
|
||||
}
|
||||
|
||||
public function cropImage($max,$x,$y,$w,$h) {
|
||||
if(!$this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image->setFirstIterator();
|
||||
do {
|
||||
$this->image->cropImage($w, $h, $x, $y);
|
||||
/*
|
||||
* We need to remove the canvas,
|
||||
* or the image is not resized to the crop:
|
||||
* http://php.net/manual/en/imagick.cropimage.php#97232
|
||||
*/
|
||||
$this->image->setImagePage(0, 0, 0, 0);
|
||||
} while($this->image->nextImage());
|
||||
|
||||
$this->doScaleImage($max, $max);
|
||||
}
|
||||
|
||||
public function cropImageRect($maxx, $maxy, $x, $y, $w, $h) {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
$this->image->setFirstIterator();
|
||||
do {
|
||||
$this->image->cropImage($w, $h, $x, $y);
|
||||
/*
|
||||
* We need to remove the canvas,
|
||||
* or the image is not resized to the crop:
|
||||
* http://php.net/manual/en/imagick.cropimage.php#97232
|
||||
*/
|
||||
$this->image->setImagePage(0, 0, 0, 0);
|
||||
} while($this->image->nextImage());
|
||||
|
||||
$this->doScaleImage($maxx, $maxy);
|
||||
}
|
||||
|
||||
public function imageString() {
|
||||
if(! $this->is_valid())
|
||||
return false;
|
||||
|
||||
/* Clean it */
|
||||
$this->image = $this->image->deconstructImages();
|
||||
|
||||
return $this->image->getImagesBlob();
|
||||
}
|
||||
|
||||
}
|
||||
Reference in New Issue
Block a user