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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Image\Drivers;
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// ------------------------------------------------------------------------
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use O2System\Image\Abstracts\AbstractDriver;
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use O2System\Image\Abstracts\AbstractWatermark;
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use O2System\Image\Dimension;
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use O2System\Image\Watermark\Overlay;
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use O2System\Image\Watermark\Text;
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/**
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* Class GdDriver
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*
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* @package O2System\Image\Drivers
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*/
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class GdDriver extends AbstractDriver
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{
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/**
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* GdDriver::__destruct
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*/
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public function __destruct()
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{
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if (is_resource($this->sourceImageResource)) {
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@imagedestroy($this->sourceImageResource);
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}
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if (is_resource($this->resampleImageResource)) {
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@imagedestroy($this->resampleImageResource);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* GdDriver::createFromString
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*
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* Create image resource from image string.
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*
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* @param string $imageString Image string.
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*
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* @return void
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*/
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public function createFromString($imageString)
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{
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$this->sourceImageResource = imagecreatefromstring($imageString);
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}
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// ------------------------------------------------------------------------
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/**
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* GdDriver::rotate
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*
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* Rotate an image with a given angle.
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*
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* @param float $degrees Image rotation degrees.
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*
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* @return void
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*/
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public function rotate($degrees)
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{
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$resampleImageResource =& $this->getResampleImageResource();
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// Set the background color
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// This won't work with transparent PNG files so we are
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// going to have to figure out how to determine the color
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// of the alpha channel in a future release.
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$alphaChannel = imagecolorallocate($resampleImageResource, 255, 255, 255);
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// Rotate it!
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$this->resampleImageResource = imagerotate($resampleImageResource, $degrees, $alphaChannel);
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}
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// ------------------------------------------------------------------------
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/**
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* GdDriver::flip
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90
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*
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* Flip an image with a given axis.
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*
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* @param int $axis Flip axis.
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*
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* @return void
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*/
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public function flip($axis)
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{
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$gdAxis = [
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1 => IMG_FLIP_HORIZONTAL,
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2 => IMG_FLIP_VERTICAL,
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3 => IMG_FLIP_BOTH,
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];
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if (array_key_exists($axis, $gdAxis)) {
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$resampleImageResource =& $this->getResampleImageResource();
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imageflip($resampleImageResource, $axis);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* GdDriver::resize
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*
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* Resize an image using the given new width and height.
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*
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* @param bool $crop Perform auto crop or not
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*
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* @return bool
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*/
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public function resize($crop = false)
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{
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if ($crop) {
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return $this->resizeCrop();
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} else {
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$sourceDimension = $this->sourceImageFile->getDimension();
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$resampleDimension = $this->resampleImageFile->getDimension();
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if (($sourceDimension->getWidth() <= $resampleDimension->getWidth()) && ($sourceDimension->getHeight() <= $resampleDimension->getHeight())) {
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return true;
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} //no resizing needed
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//try max width first...
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$resizeRatio = $resampleDimension->getWidth() / $sourceDimension->getWidth();
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$resizeWidth = $resampleDimension->getWidth();
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$resizeHeight = $sourceDimension->getHeight() * $resizeRatio;
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//if that didn't work
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if ($resizeHeight > $resampleDimension->getHeight()) {
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$resizeRatio = $resampleDimension->getHeight() / $sourceDimension->getHeight();
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$resizeHeight = $resampleDimension->getHeight();
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$resizeWidth = $sourceDimension->getWidth() * $resizeRatio;
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}
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if (function_exists('imagecreatetruecolor')) {
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$this->resampleImageResource = imagecreatetruecolor($resizeWidth, $resizeHeight);
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imagealphablending($this->resampleImageResource, false);
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imagesavealpha($this->resampleImageResource, true);
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$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
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imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
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$resampleDimension->getHeight(), $transparent);
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return imagecopyresampled(
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$this->resampleImageResource,
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$this->sourceImageResource,
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0,
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0,
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0,
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0,
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$resizeWidth,
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$resizeHeight,
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$sourceDimension->getWidth(),
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$sourceDimension->getHeight()
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);
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} else {
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$this->resampleImageResource = imagecreate($resampleDimension->getWidth(),
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$resampleDimension->getHeight());
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imagealphablending($this->resampleImageResource, false);
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imagesavealpha($this->resampleImageResource, true);
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$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
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imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
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$resampleDimension->getHeight(), $transparent);
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return imagecopyresampled(
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$this->resampleImageResource,
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$this->sourceImageResource,
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0,
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0,
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0,
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0,
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$resizeWidth,
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$resizeHeight,
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$sourceDimension->getWidth(),
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$sourceDimension->getHeight()
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);
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}
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}
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}
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// ------------------------------------------------------------------------
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public function resizeCrop()
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{
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$sourceDimension = $this->sourceImageFile->getDimension();
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$resampleDimension = $this->resampleImageFile->getDimension();
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if ($resampleDimension->getOrientation() === 'SQUARE') {
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if ($sourceDimension->getOrientation() === 'LANDSCAPE') {
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$sourceSquareSize = $sourceDimension->getHeight();
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$sourceDimension = new Dimension(
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$sourceSquareSize,
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$sourceSquareSize,
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($sourceDimension->getWidth() - $sourceDimension->getHeight()) / 2,
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0
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);
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} elseif ($sourceDimension->getOrientation() === 'PORTRAIT') {
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$sourceSquareSize = $sourceDimension->getWidth();
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$sourceDimension = new Dimension(
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$sourceSquareSize,
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$sourceSquareSize,
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0,
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($sourceDimension->getHeight() - $sourceDimension->getWidth()) / 2
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);
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}
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} else {
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//try max width first...
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$resizeRatio = $resampleDimension->getWidth() / $sourceDimension->getWidth();
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$resizeWidth = $resampleDimension->getWidth();
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$resizeHeight = $sourceDimension->getHeight() * $resizeRatio;
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//if that didn't work
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if ($resizeHeight > $resampleDimension->getHeight()) {
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$resizeRatio = $resampleDimension->getHeight() / $sourceDimension->getHeight();
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$resizeHeight = $resampleDimension->getHeight();
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$resizeWidth = $sourceDimension->getWidth() * $resizeRatio;
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}
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switch ($resampleDimension->getFocus()) {
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237
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default:
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case 'CENTER':
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239
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240
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$sourceDimension = new Dimension(
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$resizeWidth,
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$resizeHeight,
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($sourceDimension->getWidth() / 2) - ($resizeWidth / 2),
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($sourceDimension->getHeight() / 2) - ($resizeHeight / 2)
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);
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break;
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case 'NORTH':
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249
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$sourceDimension = new Dimension(
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250
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$resizeWidth,
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$resizeHeight,
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252
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($sourceDimension->getWidth() - $resizeWidth) / 2,
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253
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0
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254
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);
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break;
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case 'NORTHWEST':
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$sourceDimension = new Dimension(
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$resizeWidth,
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$resizeHeight,
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0,
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261
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0
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262
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);
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263
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break;
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264
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case 'NORTHEAST':
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265
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$sourceDimension = new Dimension(
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266
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$resizeWidth,
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267
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$resizeHeight,
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268
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$sourceDimension->getWidth() - $resizeWidth,
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269
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0
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270
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);
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break;
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272
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case 'SOUTH':
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273
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$sourceDimension = new Dimension(
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274
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$resizeWidth,
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275
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$resizeHeight,
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276
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($sourceDimension->getWidth() - $resizeWidth) / 2,
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277
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$sourceDimension->getHeight() - $resizeHeight
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278
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);
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279
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break;
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280
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case 'SOUTHWEST':
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281
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$sourceDimension = new Dimension(
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282
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$resizeWidth,
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283
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$resizeHeight,
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284
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0,
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285
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$sourceDimension->getHeight() - $resizeHeight
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286
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);
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287
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break;
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288
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case 'SOUTHEAST':
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289
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$sourceDimension = new Dimension(
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290
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$resizeWidth,
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291
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$resizeHeight,
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292
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$sourceDimension->getWidth() - $resizeWidth,
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293
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$sourceDimension->getHeight() - $resizeHeight
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294
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);
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295
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break;
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296
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case 'WEST':
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297
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$sourceDimension = new Dimension(
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298
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$resizeWidth,
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299
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$resizeHeight,
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300
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0,
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301
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($sourceDimension->getHeight() - $resizeHeight) / 2
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302
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);
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303
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break;
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304
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case 'EAST':
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305
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$sourceDimension = new Dimension(
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306
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$resizeWidth,
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307
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$resizeHeight,
|
|
308
|
|
|
$sourceDimension->getWidth() - $resizeWidth,
|
|
309
|
|
|
($sourceDimension->getHeight() - $resizeHeight) / 2
|
|
310
|
|
|
);
|
|
311
|
|
|
break;
|
|
312
|
|
|
}
|
|
313
|
|
|
}
|
|
314
|
|
|
|
|
315
|
|
|
$resampleAxis = $this->resampleImageFile->getDimension()->getAxis();
|
|
316
|
|
|
$sourceAxis = $sourceDimension->getAxis();
|
|
317
|
|
|
|
|
318
|
|
|
if (function_exists('imagecreatetruecolor')) {
|
|
319
|
|
|
$this->resampleImageResource = imagecreatetruecolor(
|
|
|
|
|
|
|
320
|
|
|
$resampleDimension->getWidth(),
|
|
321
|
|
|
$resampleDimension->getHeight()
|
|
322
|
|
|
);
|
|
323
|
|
|
|
|
324
|
|
|
imagealphablending($this->resampleImageResource, false);
|
|
|
|
|
|
|
325
|
|
|
imagesavealpha($this->resampleImageResource, true);
|
|
|
|
|
|
|
326
|
|
|
|
|
327
|
|
|
$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
|
|
|
|
|
|
|
328
|
|
|
imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
|
|
|
|
|
|
|
329
|
|
|
$resampleDimension->getHeight(), $transparent);
|
|
330
|
|
|
|
|
331
|
|
|
return imagecopyresampled(
|
|
332
|
|
|
$this->resampleImageResource,
|
|
|
|
|
|
|
333
|
|
|
$this->sourceImageResource,
|
|
|
|
|
|
|
334
|
|
|
$resampleAxis->getX(),
|
|
335
|
|
|
$resampleAxis->getY(),
|
|
336
|
|
|
$sourceAxis->getX(),
|
|
337
|
|
|
$sourceAxis->getY(),
|
|
338
|
|
|
$resampleDimension->getWidth(),
|
|
339
|
|
|
$resampleDimension->getHeight(),
|
|
340
|
|
|
$sourceDimension->getWidth(),
|
|
341
|
|
|
$sourceDimension->getHeight()
|
|
342
|
|
|
);
|
|
343
|
|
|
} else {
|
|
344
|
|
|
$this->resampleImageResource = imagecreate($resampleDimension->getWidth(),
|
|
345
|
|
|
$resampleDimension->getHeight());
|
|
346
|
|
|
|
|
347
|
|
|
imagealphablending($this->resampleImageResource, false);
|
|
348
|
|
|
imagesavealpha($this->resampleImageResource, true);
|
|
349
|
|
|
|
|
350
|
|
|
$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
|
|
351
|
|
|
imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
|
|
352
|
|
|
$resampleDimension->getHeight(), $transparent);
|
|
353
|
|
|
|
|
354
|
|
|
return imagecopyresized(
|
|
355
|
|
|
$this->resampleImageResource,
|
|
|
|
|
|
|
356
|
|
|
$this->sourceImageResource,
|
|
|
|
|
|
|
357
|
|
|
$resampleAxis->getX(),
|
|
358
|
|
|
$resampleAxis->getY(),
|
|
359
|
|
|
$sourceAxis->getX(),
|
|
360
|
|
|
$sourceAxis->getY(),
|
|
361
|
|
|
$resampleDimension->getWidth(),
|
|
362
|
|
|
$resampleDimension->getHeight(),
|
|
363
|
|
|
$sourceDimension->getWidth(),
|
|
364
|
|
|
$sourceDimension->getHeight()
|
|
365
|
|
|
);
|
|
366
|
|
|
}
|
|
367
|
|
|
}
|
|
368
|
|
|
|
|
369
|
|
|
// ------------------------------------------------------------------------
|
|
370
|
|
|
|
|
371
|
|
|
/**
|
|
372
|
|
|
* GdDriver::crop
|
|
373
|
|
|
*
|
|
374
|
|
|
* Crop an image.
|
|
375
|
|
|
*
|
|
376
|
|
|
* @param \O2System\Image\Dimension $dimension
|
|
377
|
|
|
*
|
|
378
|
|
|
* @return bool
|
|
379
|
|
|
*/
|
|
380
|
|
|
public function crop(Dimension $dimension)
|
|
381
|
|
|
{
|
|
382
|
|
|
$resampleImageResource =& $this->getResampleImageResource();
|
|
383
|
|
|
|
|
384
|
|
|
if (false !== ($resampleCropImage = imagecrop($resampleImageResource, [
|
|
385
|
|
|
'x' => $dimension->getAxis()->getX(),
|
|
386
|
|
|
'y' => $dimension->getAxis()->getY(),
|
|
387
|
|
|
'width' => $dimension->getWidth(),
|
|
388
|
|
|
'height' => $dimension->getHeight(),
|
|
389
|
|
|
]))
|
|
390
|
|
|
) {
|
|
391
|
|
|
$resampleImageResource = $resampleCropImage;
|
|
392
|
|
|
|
|
393
|
|
|
return true;
|
|
394
|
|
|
}
|
|
395
|
|
|
|
|
396
|
|
|
return false;
|
|
397
|
|
|
}
|
|
398
|
|
|
|
|
399
|
|
|
/**
|
|
400
|
|
|
* GdDriver::watermark
|
|
401
|
|
|
*
|
|
402
|
|
|
* Watermark an image.
|
|
403
|
|
|
*
|
|
404
|
|
|
* @param \O2System\Image\Abstracts\AbstractWatermark $watermark
|
|
405
|
|
|
*
|
|
406
|
|
|
* @return bool
|
|
407
|
|
|
*/
|
|
408
|
|
|
public function watermark(AbstractWatermark $watermark)
|
|
409
|
|
|
{
|
|
410
|
|
|
$resampleImageResource =& $this->getResampleImageResource();
|
|
411
|
|
|
|
|
412
|
|
|
if ($watermark instanceof Text) {
|
|
413
|
|
|
$textBox = imagettfbbox($watermark->getFontSize(), $watermark->getAngle(), $watermark->getFontPath(),
|
|
414
|
|
|
$watermark->getString());
|
|
415
|
|
|
|
|
416
|
|
|
if ($textBox[ 0 ] < 0 and $textBox[ 6 ]) {
|
|
417
|
|
|
$textBox[ 1 ] += $textBox[ 0 ];
|
|
418
|
|
|
$textBox[ 3 ] += $textBox[ 0 ];
|
|
419
|
|
|
$textBox[ 5 ] += $textBox[ 0 ];
|
|
420
|
|
|
$textBox[ 7 ] += $textBox[ 0 ];
|
|
421
|
|
|
}
|
|
422
|
|
|
|
|
423
|
|
|
$textBox = array_map('abs', $textBox);
|
|
|
|
|
|
|
424
|
|
|
|
|
425
|
|
|
$watermarkImageWidth = max($textBox[ 0 ], $textBox[ 2 ], $textBox[ 4 ], $textBox[ 6 ]);
|
|
426
|
|
|
$watermarkImageHeight = max($textBox[ 1 ], $textBox[ 3 ], $textBox[ 5 ], $textBox[ 7 ]);
|
|
427
|
|
|
|
|
428
|
|
|
if (false !== ($watermarkAxis = $watermark->getAxis())) {
|
|
|
|
|
|
|
429
|
|
|
$watermarkImageAxisX = $watermarkAxis->getX();
|
|
430
|
|
|
$watermarkImageAxisY = $watermarkAxis->getY();
|
|
431
|
|
|
} else {
|
|
432
|
|
|
switch ($watermark->getPosition()) {
|
|
433
|
|
|
default:
|
|
434
|
|
|
case 'MIDDLE_MIDDLE':
|
|
435
|
|
|
case 'MIDDLE':
|
|
436
|
|
|
case 'CENTER':
|
|
437
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
438
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
439
|
|
|
break;
|
|
440
|
|
|
|
|
441
|
|
|
case 'MIDDLE_LEFT':
|
|
442
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
443
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
444
|
|
|
break;
|
|
445
|
|
|
|
|
446
|
|
|
case 'MIDDLE_RIGHT':
|
|
447
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
448
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
449
|
|
|
break;
|
|
450
|
|
|
|
|
451
|
|
|
case 'MIDDLE_TOP':
|
|
452
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
453
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
454
|
|
|
break;
|
|
455
|
|
|
|
|
456
|
|
|
case 'MIDDLE_BOTTOM':
|
|
457
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
458
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - ($watermarkImageHeight + $watermark->getPadding());
|
|
459
|
|
|
break;
|
|
460
|
|
|
|
|
461
|
|
|
case 'TOP_LEFT':
|
|
462
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
463
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
464
|
|
|
break;
|
|
465
|
|
|
|
|
466
|
|
|
case 'TOP_RIGHT':
|
|
467
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
468
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
469
|
|
|
break;
|
|
470
|
|
|
|
|
471
|
|
|
case 'BOTTOM_LEFT':
|
|
472
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
473
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - $watermarkImageHeight + $watermark->getPadding();
|
|
474
|
|
|
break;
|
|
475
|
|
|
|
|
476
|
|
|
case 'BOTTOM_RIGHT':
|
|
477
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
478
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - ($watermarkImageHeight + $watermark->getPadding());
|
|
479
|
|
|
break;
|
|
480
|
|
|
}
|
|
481
|
|
|
}
|
|
482
|
|
|
|
|
483
|
|
|
/* Set RGB values for text
|
|
484
|
|
|
*
|
|
485
|
|
|
* First character is #, so we don't really need it.
|
|
486
|
|
|
* Get the rest of the string and split it into 2-length
|
|
487
|
|
|
* hex values:
|
|
488
|
|
|
*/
|
|
489
|
|
|
$textColor = str_split(substr($watermark->getFontColor(), 1, 6), 2);
|
|
490
|
|
|
$textColor = imagecolorclosest($resampleImageResource, hexdec($textColor[ 0 ]),
|
|
|
|
|
|
|
491
|
|
|
hexdec($textColor[ 1 ]),
|
|
|
|
|
|
|
492
|
|
|
hexdec($textColor[ 2 ]));
|
|
|
|
|
|
|
493
|
|
|
|
|
494
|
|
|
imagettftext(
|
|
495
|
|
|
$resampleImageResource,
|
|
496
|
|
|
$watermark->getFontSize(),
|
|
497
|
|
|
$watermark->getAngle(),
|
|
498
|
|
|
$watermarkImageAxisX,
|
|
499
|
|
|
$watermarkImageAxisY,
|
|
500
|
|
|
$textColor,
|
|
501
|
|
|
$watermark->getFontPath(),
|
|
502
|
|
|
$watermark->getString()
|
|
503
|
|
|
);
|
|
504
|
|
|
|
|
505
|
|
|
return true;
|
|
506
|
|
|
} elseif ($watermark instanceof Overlay) {
|
|
507
|
|
|
|
|
508
|
|
|
$watermarkImage = new self;
|
|
509
|
|
|
$watermarkImage->setSourceImage($watermark->getImagePath());
|
|
510
|
|
|
$watermarkImage->createFromSource();
|
|
511
|
|
|
|
|
512
|
|
|
$watermarkImageFile = $watermarkImage->getSourceImageFile();
|
|
513
|
|
|
$watermarkImageDimension = $watermarkImageFile->getDimension();
|
|
514
|
|
|
$watermarkImageDimension->maintainAspectRatio = true;
|
|
515
|
|
|
|
|
516
|
|
|
if (false === ($scale = $watermark->getImageScale())) {
|
|
|
|
|
|
|
517
|
|
|
$scale = min(
|
|
518
|
|
|
round(((imagesx($resampleImageResource) / 2) / $watermarkImageDimension->getWidth()) * 100),
|
|
519
|
|
|
round(((imagesy($resampleImageResource) / 2) / $watermarkImageDimension->getHeight()) * 100)
|
|
520
|
|
|
);
|
|
521
|
|
|
}
|
|
522
|
|
|
|
|
523
|
|
|
if ($scale > 0) {
|
|
524
|
|
|
$watermarkImage->setResampleImage($watermarkImageFile->withDimension(
|
|
525
|
|
|
$watermarkImageDimension
|
|
526
|
|
|
->withScale($scale)
|
|
527
|
|
|
));
|
|
528
|
|
|
}
|
|
529
|
|
|
|
|
530
|
|
|
if ($watermarkImage->scale()) {
|
|
531
|
|
|
$watermarkImageResource = $watermarkImage->getResampleImageResource();
|
|
532
|
|
|
|
|
533
|
|
|
$watermarkImageWidth = imagesx($watermarkImageResource);
|
|
534
|
|
|
$watermarkImageHeight = imagesy($watermarkImageResource);
|
|
535
|
|
|
|
|
536
|
|
|
if (false !== ($watermarkAxis = $watermark->getAxis())) {
|
|
|
|
|
|
|
537
|
|
|
$watermarkImageAxisX = $watermarkAxis->getX();
|
|
538
|
|
|
$watermarkImageAxisY = $watermarkAxis->getY();
|
|
539
|
|
|
} else {
|
|
540
|
|
|
switch ($watermark->getPosition()) {
|
|
541
|
|
|
default:
|
|
542
|
|
|
case 'MIDDLE_MIDDLE':
|
|
543
|
|
|
case 'MIDDLE':
|
|
544
|
|
|
case 'CENTER':
|
|
545
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
546
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
547
|
|
|
break;
|
|
548
|
|
|
|
|
549
|
|
|
case 'MIDDLE_LEFT':
|
|
550
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
551
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
552
|
|
|
break;
|
|
553
|
|
|
|
|
554
|
|
|
case 'MIDDLE_RIGHT':
|
|
555
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
556
|
|
|
$watermarkImageAxisY = (imagesy($resampleImageResource) - $watermarkImageHeight) / 2;
|
|
557
|
|
|
break;
|
|
558
|
|
|
|
|
559
|
|
|
case 'MIDDLE_TOP':
|
|
560
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
561
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
562
|
|
|
break;
|
|
563
|
|
|
|
|
564
|
|
|
case 'MIDDLE_BOTTOM':
|
|
565
|
|
|
$watermarkImageAxisX = (imagesx($resampleImageResource) - $watermarkImageWidth) / 2;
|
|
566
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - ($watermarkImageHeight + $watermark->getPadding());
|
|
567
|
|
|
break;
|
|
568
|
|
|
|
|
569
|
|
|
case 'TOP_LEFT':
|
|
570
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
571
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
572
|
|
|
break;
|
|
573
|
|
|
|
|
574
|
|
|
case 'TOP_RIGHT':
|
|
575
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
576
|
|
|
$watermarkImageAxisY = $watermarkImageHeight + $watermark->getPadding();
|
|
577
|
|
|
break;
|
|
578
|
|
|
|
|
579
|
|
|
case 'BOTTOM_LEFT':
|
|
580
|
|
|
$watermarkImageAxisX = $watermark->getPadding();
|
|
581
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - $watermarkImageHeight + $watermark->getPadding();
|
|
582
|
|
|
break;
|
|
583
|
|
|
|
|
584
|
|
|
case 'BOTTOM_RIGHT':
|
|
585
|
|
|
$watermarkImageAxisX = imagesx($resampleImageResource) - ($watermarkImageWidth + $watermark->getPadding());
|
|
586
|
|
|
$watermarkImageAxisY = imagesy($resampleImageResource) - ($watermarkImageHeight + $watermark->getPadding());
|
|
587
|
|
|
break;
|
|
588
|
|
|
}
|
|
589
|
|
|
}
|
|
590
|
|
|
|
|
591
|
|
|
return imagecopy(
|
|
592
|
|
|
$resampleImageResource,
|
|
593
|
|
|
$watermarkImageResource,
|
|
594
|
|
|
$watermarkImageAxisX,
|
|
595
|
|
|
$watermarkImageAxisY,
|
|
596
|
|
|
0,
|
|
597
|
|
|
0,
|
|
598
|
|
|
imagesx($watermarkImageResource),
|
|
599
|
|
|
imagesy($watermarkImageResource)
|
|
600
|
|
|
);
|
|
601
|
|
|
}
|
|
602
|
|
|
}
|
|
603
|
|
|
|
|
604
|
|
|
return false;
|
|
605
|
|
|
}
|
|
606
|
|
|
|
|
607
|
|
|
// ------------------------------------------------------------------------
|
|
608
|
|
|
|
|
609
|
|
|
/**
|
|
610
|
|
|
* GdDriver::createFromSource
|
|
611
|
|
|
*
|
|
612
|
|
|
* Create an image resource from source file.
|
|
613
|
|
|
*
|
|
614
|
|
|
* @return void
|
|
615
|
|
|
*/
|
|
616
|
|
|
public function createFromSource()
|
|
617
|
|
|
{
|
|
618
|
|
|
/**
|
|
619
|
|
|
* A work-around for some improperly formatted, but
|
|
620
|
|
|
* usable JPEGs; known to be produced by Samsung
|
|
621
|
|
|
* smartphones' front-facing cameras.
|
|
622
|
|
|
*
|
|
623
|
|
|
* @see https://bugs.php.net/bug.php?id=72404
|
|
624
|
|
|
*/
|
|
625
|
|
|
ini_set('gd.jpeg_ignore_warning', 1);
|
|
626
|
|
|
|
|
627
|
|
|
$mime = $this->sourceImageFile->getMime();
|
|
628
|
|
|
$mime = is_array($mime) ? $mime[ 0 ] : $mime;
|
|
629
|
|
|
|
|
630
|
|
|
try {
|
|
631
|
|
|
switch ($mime) {
|
|
632
|
|
|
case 'image/jpg':
|
|
633
|
|
|
case 'image/jpeg':
|
|
634
|
|
|
$this->sourceImageResource = imagecreatefromjpeg($this->sourceImageFile->getRealPath());
|
|
|
|
|
|
|
635
|
|
|
break;
|
|
636
|
|
|
|
|
637
|
|
|
case 'image/gif':
|
|
638
|
|
|
$this->sourceImageResource = imagecreatefromgif($this->sourceImageFile->getRealPath());
|
|
639
|
|
|
break;
|
|
640
|
|
|
|
|
641
|
|
|
case 'image/png':
|
|
642
|
|
|
case 'image/x-png':
|
|
643
|
|
|
$this->sourceImageResource = imagecreatefrompng($this->sourceImageFile->getRealPath());
|
|
644
|
|
|
break;
|
|
645
|
|
|
}
|
|
646
|
|
|
|
|
647
|
|
|
// Convert pallete images to true color images
|
|
648
|
|
|
imagepalettetotruecolor($this->sourceImageResource);
|
|
|
|
|
|
|
649
|
|
|
} catch (\Exception $e) {
|
|
|
|
|
|
|
650
|
|
|
|
|
651
|
|
|
}
|
|
652
|
|
|
}
|
|
653
|
|
|
|
|
654
|
|
|
// ------------------------------------------------------------------------
|
|
655
|
|
|
|
|
656
|
|
|
/**
|
|
657
|
|
|
* GdDriver::scale
|
|
658
|
|
|
*
|
|
659
|
|
|
* Scale an image with a given scale.
|
|
660
|
|
|
*
|
|
661
|
|
|
* @return bool
|
|
662
|
|
|
*/
|
|
663
|
|
|
public function scale()
|
|
664
|
|
|
{
|
|
665
|
|
|
$sourceDimension = $this->sourceImageFile->getDimension();
|
|
666
|
|
|
$resampleDimension = $this->resampleImageFile->getDimension();
|
|
667
|
|
|
|
|
668
|
|
|
$resampleAxis = $this->resampleImageFile->getDimension()->getAxis();
|
|
669
|
|
|
$sourceAxis = $sourceDimension->getAxis();
|
|
670
|
|
|
|
|
671
|
|
|
if (function_exists('imagecreatetruecolor')) {
|
|
672
|
|
|
$this->resampleImageResource = imagecreatetruecolor(
|
|
|
|
|
|
|
673
|
|
|
$resampleDimension->getWidth(),
|
|
674
|
|
|
$resampleDimension->getHeight()
|
|
675
|
|
|
);
|
|
676
|
|
|
|
|
677
|
|
|
imagealphablending($this->resampleImageResource, false);
|
|
|
|
|
|
|
678
|
|
|
imagesavealpha($this->resampleImageResource, true);
|
|
|
|
|
|
|
679
|
|
|
|
|
680
|
|
|
$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
|
|
|
|
|
|
|
681
|
|
|
imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
|
|
|
|
|
|
|
682
|
|
|
$resampleDimension->getHeight(), $transparent);
|
|
683
|
|
|
|
|
684
|
|
|
return imagecopyresampled(
|
|
685
|
|
|
$this->resampleImageResource,
|
|
|
|
|
|
|
686
|
|
|
$this->sourceImageResource,
|
|
|
|
|
|
|
687
|
|
|
$resampleAxis->getX(),
|
|
688
|
|
|
$resampleAxis->getY(),
|
|
689
|
|
|
$sourceAxis->getX(),
|
|
690
|
|
|
$sourceAxis->getY(),
|
|
691
|
|
|
$resampleDimension->getWidth(),
|
|
692
|
|
|
$resampleDimension->getHeight(),
|
|
693
|
|
|
$sourceDimension->getWidth(),
|
|
694
|
|
|
$sourceDimension->getHeight()
|
|
695
|
|
|
);
|
|
696
|
|
|
} else {
|
|
697
|
|
|
$this->resampleImageResource = imagecreate($resampleDimension->getWidth(),
|
|
698
|
|
|
$resampleDimension->getHeight());
|
|
699
|
|
|
|
|
700
|
|
|
imagealphablending($this->resampleImageResource, false);
|
|
701
|
|
|
imagesavealpha($this->resampleImageResource, true);
|
|
702
|
|
|
|
|
703
|
|
|
$transparent = imagecolorallocatealpha($this->resampleImageResource, 255, 255, 255, 127);
|
|
704
|
|
|
imagefilledrectangle($this->resampleImageResource, 0, 0, $resampleDimension->getWidth(),
|
|
705
|
|
|
$resampleDimension->getHeight(), $transparent);
|
|
706
|
|
|
|
|
707
|
|
|
return imagecopyresized(
|
|
708
|
|
|
$this->resampleImageResource,
|
|
|
|
|
|
|
709
|
|
|
$this->sourceImageResource,
|
|
|
|
|
|
|
710
|
|
|
$resampleAxis->getX(),
|
|
711
|
|
|
$resampleAxis->getY(),
|
|
712
|
|
|
$sourceAxis->getX(),
|
|
713
|
|
|
$sourceAxis->getY(),
|
|
714
|
|
|
$resampleDimension->getWidth(),
|
|
715
|
|
|
$resampleDimension->getHeight(),
|
|
716
|
|
|
$sourceDimension->getWidth(),
|
|
717
|
|
|
$sourceDimension->getHeight()
|
|
718
|
|
|
);
|
|
719
|
|
|
}
|
|
720
|
|
|
}
|
|
721
|
|
|
|
|
722
|
|
|
// ------------------------------------------------------------------------
|
|
723
|
|
|
|
|
724
|
|
|
/**
|
|
725
|
|
|
* GdDriver::display
|
|
726
|
|
|
*
|
|
727
|
|
|
* Display an image.
|
|
728
|
|
|
*
|
|
729
|
|
|
* @return void
|
|
730
|
|
|
*/
|
|
731
|
|
|
public function display($quality = 100, $mime = null)
|
|
732
|
|
|
{
|
|
733
|
|
|
$filename = pathinfo($this->sourceImageFile->getBasename(), PATHINFO_FILENAME);
|
|
734
|
|
|
$extension = pathinfo($this->sourceImageFile->getBasename(), PATHINFO_EXTENSION);
|
|
735
|
|
|
|
|
736
|
|
|
if (empty($mime)) {
|
|
737
|
|
|
$mime = $this->sourceImageFile->getMime();
|
|
738
|
|
|
$mime = is_array($mime) ? $mime[ 0 ] : $mime;
|
|
739
|
|
|
|
|
740
|
|
|
$extensions = [
|
|
741
|
|
|
'image/gif' => 'gif',
|
|
742
|
|
|
'image/jpg' => 'jpg',
|
|
743
|
|
|
'image/jpeg' => 'jpeg',
|
|
744
|
|
|
'image/png' => 'png',
|
|
745
|
|
|
'image/webp' => 'webp',
|
|
746
|
|
|
];
|
|
747
|
|
|
|
|
748
|
|
|
$extension = $extensions[ $mime ];
|
|
749
|
|
|
}
|
|
750
|
|
|
|
|
751
|
|
|
header('Content-Disposition: filename=' . $filename . '.' . $extension);
|
|
752
|
|
|
header('Content-Transfer-Encoding: binary');
|
|
753
|
|
|
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', time()) . ' GMT');
|
|
754
|
|
|
header('Content-Type: ' . $mime);
|
|
755
|
|
|
|
|
756
|
|
|
$blob = $this->blob($quality, $mime);
|
|
757
|
|
|
|
|
758
|
|
|
header('ETag: ' . md5($blob));
|
|
759
|
|
|
|
|
760
|
|
|
echo $blob;
|
|
761
|
|
|
|
|
762
|
|
|
exit(0);
|
|
|
|
|
|
|
763
|
|
|
}
|
|
764
|
|
|
|
|
765
|
|
|
// ------------------------------------------------------------------------
|
|
766
|
|
|
|
|
767
|
|
|
/**
|
|
768
|
|
|
* GdDriver::blob
|
|
769
|
|
|
*
|
|
770
|
|
|
* Returns image as string blob.
|
|
771
|
|
|
*
|
|
772
|
|
|
* @return string
|
|
773
|
|
|
*/
|
|
774
|
|
|
public function blob($quality = 100, $mime = null)
|
|
775
|
|
|
{
|
|
776
|
|
|
$imageBlob = '';
|
|
777
|
|
|
|
|
778
|
|
|
$filename = pathinfo($this->sourceImageFile->getBasename(), PATHINFO_FILENAME);
|
|
779
|
|
|
$extension = pathinfo($this->sourceImageFile->getBasename(), PATHINFO_EXTENSION);
|
|
780
|
|
|
|
|
781
|
|
|
if (empty($mime)) {
|
|
782
|
|
|
$mime = $this->sourceImageFile->getMime();
|
|
783
|
|
|
$mime = is_array($mime) ? $mime[ 0 ] : $mime;
|
|
784
|
|
|
|
|
785
|
|
|
$extension = $this->getMimeExtension($mime);
|
|
786
|
|
|
}
|
|
787
|
|
|
|
|
788
|
|
|
if ($this->save($tempImageFilePath = rtrim(sys_get_temp_dir(),
|
|
789
|
|
|
DIRECTORY_SEPARATOR) . DIRECTORY_SEPARATOR . $filename . '.' . $extension,
|
|
|
|
|
|
|
790
|
|
|
$quality)
|
|
791
|
|
|
) {
|
|
792
|
|
|
$imageBlob = readfile($tempImageFilePath);
|
|
793
|
|
|
unlink($tempImageFilePath);
|
|
794
|
|
|
}
|
|
795
|
|
|
|
|
796
|
|
|
return $imageBlob;
|
|
797
|
|
|
}
|
|
798
|
|
|
|
|
799
|
|
|
// ------------------------------------------------------------------------
|
|
800
|
|
|
|
|
801
|
|
|
/**
|
|
802
|
|
|
* GdDriver::save
|
|
803
|
|
|
*
|
|
804
|
|
|
* Save an image.
|
|
805
|
|
|
*
|
|
806
|
|
|
* @param string $imageTargetFilePath
|
|
807
|
|
|
* @param int $quality
|
|
808
|
|
|
*
|
|
809
|
|
|
* @return bool
|
|
810
|
|
|
*/
|
|
811
|
|
|
public function save($imageTargetFilePath, $quality = 100)
|
|
812
|
|
|
{
|
|
813
|
|
|
$resampleImageResource =& $this->getResampleImageResource();
|
|
814
|
|
|
|
|
815
|
|
|
$extension = pathinfo($imageTargetFilePath, PATHINFO_EXTENSION);
|
|
816
|
|
|
|
|
817
|
|
|
switch ($extension) {
|
|
818
|
|
|
case 'jpg':
|
|
819
|
|
|
case 'jpeg':
|
|
820
|
|
|
return (bool)@imagejpeg($resampleImageResource, $imageTargetFilePath, $quality);
|
|
821
|
|
|
break;
|
|
|
|
|
|
|
822
|
|
|
|
|
823
|
|
|
case 'gif':
|
|
824
|
|
|
return (bool)@imagegif($resampleImageResource, $imageTargetFilePath);
|
|
825
|
|
|
break;
|
|
826
|
|
|
|
|
827
|
|
|
case 'png':
|
|
828
|
|
|
imagealphablending($resampleImageResource, false);
|
|
829
|
|
|
imagesavealpha($resampleImageResource, true);
|
|
830
|
|
|
|
|
831
|
|
|
return (bool)@imagepng($resampleImageResource, $imageTargetFilePath);
|
|
832
|
|
|
break;
|
|
833
|
|
|
|
|
834
|
|
|
case 'webp':
|
|
835
|
|
|
return (bool)@imagewebp($resampleImageResource, $imageTargetFilePath);
|
|
836
|
|
|
break;
|
|
837
|
|
|
}
|
|
838
|
|
|
|
|
839
|
|
|
return false;
|
|
840
|
|
|
}
|
|
841
|
|
|
} |
o2system /
image
steevenz
Loading history...
If you suppress an error, we recommend checking for the error condition explicitly: