/**
* It's expected that we can't save image uses imagick built in, as
* the undlaying system library can't write to the "s3://" filesystem.
*
*/
public function test_save_image_with_inbuilt_fails()
{
$upload_dir = wp_upload_dir();
$path = $upload_dir['basedir'] . '/canola.jpg';
copy($this->image_path, $path);
$image_editor = new WP_Image_Editor_Imagick($path);
$image_editor->load();
$status = $image_editor->save($upload_dir['basedir'] . '/canola-100x100.jpg');
$this->assertWPError($status);
}
/**
* @return bool Whether WP_Image_Editor_Imagick can be used on this system.
*/
public static function isImagickAvailable()
{
static $ret = null;
if (is_null($ret)) {
$ret = WP_Image_Editor_Imagick::test();
}
return $ret;
}
/**
* Whether the current environment is configured with required methods.
*
* @since 1.0.0
*
* @param array $args
* @return bool
*/
public static function test($args = array())
{
if (!parent::test($args)) {
return false;
}
$required_methods = array('clutimage', 'newpseudoimage', 'transformimagecolorspace');
if (array_diff($required_methods, get_class_methods('Imagick'))) {
return false;
}
return true;
}
/**
* Crops Image.
*
* @since 3.5.0
* @access public
*
* @param string|int $src The source file or Attachment ID.
* @param int $src_x The start x position to crop from.
* @param int $src_y The start y position to crop from.
* @param int $src_w The width to crop.
* @param int $src_h The height to crop.
* @param int $dst_w Optional. The destination width.
* @param int $dst_h Optional. The destination height.
* @param boolean $src_abs Optional. If the source crop points are absolute.
* @return boolean|WP_Error
*/
public function crop($src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false)
{
$ar = $src_w / $src_h;
$dst_ar = $dst_w / $dst_h;
if (isset($_GET['pte-fit-crop-color']) && abs($ar - $dst_ar) > 0.01) {
PteLogger::debug(sprintf("IMAGICK - AR: '%f'\tOAR: '%f'", $ar, $dst_ar));
// Crop the image to the correct aspect ratio...
if ($dst_ar > $ar) {
// constrain to the dst_h
$tmp_dst_h = $dst_h;
$tmp_dst_w = $dst_h * $ar;
$tmp_dst_y = 0;
$tmp_dst_x = $dst_w / 2 - $tmp_dst_w / 2;
} else {
$tmp_dst_w = $dst_w;
$tmp_dst_h = $dst_w / $ar;
$tmp_dst_x = 0;
$tmp_dst_y = $dst_h / 2 - $tmp_dst_h / 2;
}
//$color = this::getImagickPixel( $_GET['pte-fit-crop-color'] );
if (preg_match("/^#[a-fA-F0-9]{6}\$/", $_GET['pte-fit-crop-color'])) {
$color = new ImagickPixel($_GET['pte-fit-crop-color']);
}
//else {
// PteLogger::debug( "setting transparent/white" );
// $color = new ImagickPixel( 'white' );
// //$color->setColorValue( Imagick::COLOR_ALPHA, 0 );
//}
try {
// crop the original image
$this->image->cropImage($src_w, $src_h, $src_x, $src_y);
$this->image->scaleImage($tmp_dst_w, $tmp_dst_h);
// Create a new image and then compose the old one onto it.
$img = new Imagick();
$img->newImage($dst_w, $dst_h, isset($color) ? $color : 'white');
$img->setImageFormat($this->image->getImageFormat());
if (!isset($color)) {
$img->setImageOpacity(0.0);
}
$img->compositeImage($this->image, Imagick::COMPOSITE_DEFAULT, $tmp_dst_x, $tmp_dst_y);
$img->flattenImages();
$this->image = $img;
} catch (Exception $e) {
return new WP_Error('image_crop_error', __('Image crop failed.'), $this->file);
}
return $this->update_size();
}
return parent::crop($src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs);
}
/**
* Crops Image.
*
* @since 3.5.0
* @access public
*
* @param string|int $src The source file or Attachment ID.
* @param int $src_x The start x position to crop from.
* @param int $src_y The start y position to crop from.
* @param int $src_w The width to crop.
* @param int $src_h The height to crop.
* @param int $dst_w Optional. The destination width.
* @param int $dst_h Optional. The destination height.
* @param boolean $src_abs Optional. If the source crop points are absolute.
* @return boolean|WP_Error
*/
public function crop($src_x, $src_y, $src_w, $src_h, $dst_w = null, $dst_h = null, $src_abs = false)
{
if (pte_is_crop_border_enabled($src_w, $src_h, $dst_w, $dst_h)) {
// Crop the image to the correct aspect ratio...
$ar = $src_w / $src_h;
$dst_ar = $dst_w / $dst_h;
if ($dst_ar > $ar) {
// constrain to the dst_h
$tmp_dst_h = $dst_h;
$tmp_dst_w = $dst_h * $ar;
$tmp_dst_y = 0;
$tmp_dst_x = $dst_w / 2 - $tmp_dst_w / 2;
} else {
$tmp_dst_w = $dst_w;
$tmp_dst_h = $dst_w / $ar;
$tmp_dst_x = 0;
$tmp_dst_y = $dst_h / 2 - $tmp_dst_h / 2;
}
if (pte_is_crop_border_opaque()) {
$color = new ImagickPixel($_GET['pte-fit-crop-color']);
}
try {
// crop the original image
$this->image->cropImage($src_w, $src_h, $src_x, $src_y);
$this->image->scaleImage($tmp_dst_w, $tmp_dst_h);
// Create a new image and then compose the old one onto it.
$img = new Imagick();
$img->newImage($dst_w, $dst_h, isset($color) ? $color : 'white');
$img->setImageFormat($this->image->getImageFormat());
if (!isset($color)) {
$img->setImageOpacity(0.0);
}
$img->compositeImage($this->image, Imagick::COMPOSITE_DEFAULT, $tmp_dst_x, $tmp_dst_y);
$img->flattenImages();
$this->image = $img;
} catch (Exception $e) {
return new WP_Error('image_crop_error', __('Image crop failed.'), $this->file);
}
return $this->update_size();
}
return parent::crop($src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h, $src_abs);
}
/**
* Loads the filepath into Imagick object.
*/
public function load()
{
$ret = parent::load();
// set correct page number
if (!is_null($this->pg) && !is_wp_error($ret) && is_callable(array($this->image, 'setIteratorIndex'))) {
$err = __('Failed to set Imagick page number', 'document-gallery');
// setIteratorIndex() should return false on failure, but I've found
// reports of it throwing an error so handling both cases.
// NOTE: I've also seen it fail and return true, so we may not
// log anything on failure...
try {
if (!$this->image->setIteratorIndex($this->pg)) {
DG_Logger::writeLog(DG_LogLevel::Error, $err . '.');
}
} catch (Exception $e) {
DG_Logger::writeLog(DG_LogLevel::Error, $err . ': ' . $e->getMessage());
}
}
return $ret;
}
/**
* Imagick by default can't handle s3:// paths
* for saving images. We have instead save it to a file file,
* then copy it to the s3:// path as a workaround.
*/
protected function _save($image, $filename = null, $mime_type = null)
{
list($filename, $extension, $mime_type) = $this->get_output_format($filename, $mime_type);
if (!$filename) {
$filename = $this->generate_filename(null, null, $extension);
}
$upload_dir = wp_upload_dir();
if (strpos($filename, $upload_dir['basedir']) === 0) {
$temp_filename = tempnam(get_temp_dir(), 's3-uploads');
}
$save = parent::_save($image, $temp_filename, $mime_type);
if (is_wp_error($save)) {
return $save;
}
$copy_result = copy($save['path'], $filename);
unlink($save['path']);
if (!$copy_result) {
return new WP_Error('unable-to-copy-to-s3', 'Unable to copy the temp image to S3');
}
return array('path' => $filename, 'file' => wp_basename(apply_filters('image_make_intermediate_size', $filename)), 'width' => $this->size['width'], 'height' => $this->size['height'], 'mime-type' => $mime_type);
}
/**
*
* @ticket 30596
*/
public function test_image_preserves_alpha_on_rotate()
{
$file = DIR_TESTDATA . '/images/transparent.png';
$pre_rotate_editor = new Imagick($file);
$pre_rotate_pixel = $pre_rotate_editor->getImagePixelColor(0, 0);
$pre_rotate_alpha = $pre_rotate_pixel->getColorValue(imagick::COLOR_ALPHA);
$save_to_file = tempnam(get_temp_dir(), '') . '.png';
$pre_rotate_editor->writeImage($save_to_file);
$pre_rotate_editor->destroy();
$image_editor = new WP_Image_Editor_Imagick($save_to_file);
$image_editor->load();
$this->assertNotInstanceOf('WP_Error', $image_editor);
$image_editor->rotate(180);
$image_editor->save($save_to_file);
$this->assertImageAlphaAtPointImagick($save_to_file, array(0, 0), $pre_rotate_alpha);
unlink($save_to_file);
}
/**
* Test flipping an image
*/
public function test_flip() {
$file = DIR_TESTDATA . '/images/gradient-square.jpg';
$imagick_image_editor = new WP_Image_Editor_Imagick( $file );
$imagick_image_editor->load();
$property = new ReflectionProperty( $imagick_image_editor, 'image' );
$property->setAccessible( true );
$color_top_left = $property->getValue( $imagick_image_editor )->getImagePixelColor( 1, 1 )->getColor();
$imagick_image_editor->flip( true, false );
$this->assertEquals( $color_top_left, $property->getValue( $imagick_image_editor )->getImagePixelColor( 0, 99 )->getColor() );
}
public function update_size($width = null, $height = null)
{
return parent::update_size($width, $height);
}
/**
* @return bool Whether WP_Image_Editor_Imagick can be used on this system.
*/
public static function isImagickAvailable()
{
static $ret = null;
if (is_null($ret)) {
include_once DG_WPINC_PATH . 'class-wp-image-editor.php';
include_once DG_WPINC_PATH . 'class-wp-image-editor-imagick.php';
$ret = WP_Image_Editor_Imagick::test();
}
return $ret;
}
/**
* Test WP_Image_Editor_Imagick handles extension-less images
* @ticket 39195
*/
public function test_image_non_existent_extension()
{
$image_editor = new WP_Image_Editor_Imagick(DIR_TESTDATA . '/images/test-image-no-extension');
$result = $image_editor->load();
$this->assertTrue($result);
}
