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<?php |
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/** |
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* Implements converting a PNG file to JPG. |
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* Argument: |
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* - color to fill transparent zones |
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*/ |
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class TimberImageOperationToJpg extends TimberImageOperation { |
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private $color; |
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/** |
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* @param string $color hex string of color to use for transparent zones |
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*/ |
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function __construct($color) { |
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$this->color = $color; |
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} |
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/** |
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* @param string $src_filename the basename of the file (ex: my-awesome-pic) |
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* @param string $src_extension ignored |
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* @return string the final filename to be used (ex: my-awesome-pic.jpg) |
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*/ |
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function filename($src_filename, $src_extension = 'jpg') { |
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$new_name = $src_filename . '.jpg'; |
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return $new_name; |
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} |
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/** |
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* Performs the actual image manipulation, |
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* including saving the target file. |
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* |
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* @param string $load_filename filepath (not URL) to source file (ex: /src/var/www/wp-content/uploads/my-pic.jpg) |
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* @param string $save_filename filepath (not URL) where result file should be saved |
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* (ex: /src/var/www/wp-content/uploads/my-pic.png) |
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* @return bool true if everything went fine, false otherwise |
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*/ |
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function run($load_filename, $save_filename) { |
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$input = self::image_create( $load_filename ); |
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list( $width, $height ) = getimagesize( $load_filename ); |
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$output = imagecreatetruecolor( $width, $height ); |
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$c = self::hexrgb( $this->color ); |
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$color = imagecolorallocate( $output, $c['red'], $c['green'], $c['blue'] ); |
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imagefilledrectangle( $output, 0, 0, $width, $height, $color ); |
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imagecopy( $output, $input, 0, 0, 0, 0, $width, $height ); |
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imagejpeg( $output, $save_filename ); |
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return true; |
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} |
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/** |
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* @param string $filename |
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* @return resource an image identifier representing the image obtained from the given filename |
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* will return the same data type regardless of whether the source is gif or png |
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*/ |
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function image_create( $filename, $ext = 'auto' ) { |
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if ( $ext == 'auto' ) { |
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$ext = wp_check_filetype($filename); |
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if (isset($ext['ext'])) { |
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$ext = $ext['ext']; |
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} |
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} |
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$ext = strtolower($ext); |
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if ( $ext == 'gif' ) { |
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return imagecreatefromgif($filename); |
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} |
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if ( $ext == 'png' ) { |
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return imagecreatefrompng($filename); |
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} |
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if ( $ext == 'jpg' || $ext == 'jpeg' ) { |
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return imagecreatefromjpeg($filename); |
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} |
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throw new InvalidArgumentException( 'image_create only accepts PNG, GIF and JPGs. File extension was: '.$ext ); |
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} |
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} |
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jarednova /
timber
Loading history...
Adding explicit visibility (
private,protected, orpublic) is generally recommend to communicate to other developers how, and from where this method is intended to be used.