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<?php |
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/** This file is part of KCFinder project |
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* |
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* @desc GD image driver class |
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* @package KCFinder |
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* @version 3.12 |
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* @author Pavel Tzonkov <[email protected]> |
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* @copyright 2010-2014 KCFinder Project |
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* @license http://opensource.org/licenses/GPL-3.0 GPLv3 |
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* @license http://opensource.org/licenses/LGPL-3.0 LGPLv3 |
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* @link http://kcfinder.sunhater.com |
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*/ |
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namespace kcfinder; |
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class image_gd extends image |
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{ |
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// ABSTRACT PUBLIC METHODS |
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public function resize($width, $height) |
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{ |
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if (!$width) { |
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$width = 1; |
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} |
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if (!$height) { |
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$height = 1; |
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} |
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return ((false !== ($img = new image_gd([$width, $height]))) && $img->imageCopyResampled($this) && (false !== ($this->image = $img->image)) && (false !== ($this->width = $img->width)) && (false !== ($this->height = $img->height))); |
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} |
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public function resizeFit($width, $height, $background = false) |
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{ |
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if ((!$width && !$height) || (($width == $this->width) && ($height == $this->height))) { |
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return true; |
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} |
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if (!$width || (($height / $width) < ($this->height / $this->width))) { |
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$h = $height; |
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$w = round(($this->width * $h) / $this->height); |
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} elseif (!$height || (($width / $height) < ($this->width / $this->height))) { |
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$w = $width; |
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$h = round(($this->height * $w) / $this->width); |
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} else { |
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$w = $width; |
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$h = $height; |
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} |
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if (!$w) { |
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$w = 1; |
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} |
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if (!$h) { |
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$h = 1; |
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} |
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if (false === $background) { |
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return $this->resize($w, $h); |
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} else { |
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$img = new image_gd([$width, $height]); |
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$x = round(($width - $w) / 2); |
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$y = round(($height - $h) / 2); |
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if ((false === $this->resize($w, $h)) || (false === $img->imageFilledRectangle(0, 0, $width, $height, $background)) || (false === $img->imageCopyResampled($this->image, $x, $y, 0, 0, $w, $h))) { |
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return false; |
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} |
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$this->image = $img->image; |
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$this->width = $width; |
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$this->height = $height; |
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return true; |
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} |
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} |
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public function resizeCrop($width, $height, $offset = false) |
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{ |
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if (($this->width / $this->height) > ($width / $height)) { |
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$h = $height; |
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$w = ($this->width * $h) / $this->height; |
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$y = 0; |
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if (false !== $offset) { |
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if ($offset > 0) { |
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$offset = -$offset; |
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} |
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if (($w + $offset) <= $width) { |
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$offset = $width - $w; |
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} |
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$x = $offset; |
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} else { |
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$x = ($width - $w) / 2; |
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} |
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} else { |
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$w = $width; |
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$h = ($this->height * $w) / $this->width; |
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$x = 0; |
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if (false !== $offset) { |
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if ($offset > 0) { |
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$offset = -$offset; |
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} |
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if (($h + $offset) <= $height) { |
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$offset = $height - $h; |
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} |
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$y = $offset; |
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} else { |
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$y = ($height - $h) / 2; |
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} |
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} |
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$x = round($x); |
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$y = round($y); |
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$w = round($w); |
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$h = round($h); |
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if (!$w) { |
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$w = 1; |
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} |
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if (!$h) { |
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$h = 1; |
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} |
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$return = ((false !== ($img = new image_gd([$width, $height])))) && (false !== ($img->imageCopyResampled($this->image, $x, $y, 0, 0, $w, $h))); |
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if ($return) { |
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$this->image = $img->image; |
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$this->width = $w; |
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$this->height = $h; |
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} |
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return $return; |
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} |
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public function rotate($angle, $background = '#000000') |
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{ |
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$angle = -$angle; |
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$img = @imagerotate($this->image, $angle, $this->gdColor($background)); |
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if (false === $img) { |
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return false; |
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} |
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$this->width = imagesx($img); |
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$this->height = imagesy($img); |
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$this->image = $img; |
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return true; |
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} |
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public function flipHorizontal() |
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{ |
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$img = imagecreatetruecolor($this->width, $this->height); |
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if (imagecopyresampled($img, $this->image, 0, 0, ($this->width - 1), 0, $this->width, $this->height, -$this->width, $this->height)) { |
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$this->image = $img; |
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} else { |
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return false; |
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} |
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return true; |
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} |
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public function flipVertical() |
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{ |
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$img = imagecreatetruecolor($this->width, $this->height); |
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if (imagecopyresampled($img, $this->image, 0, 0, 0, ($this->height - 1), $this->width, $this->height, $this->width, -$this->height)) { |
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$this->image = $img; |
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} else { |
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return false; |
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} |
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return true; |
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} |
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public function watermark($file, $left = false, $top = false) |
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{ |
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$info = getimagesize($file); |
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list($w, $h, $t) = $info; |
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if (!in_array($t, [IMAGETYPE_PNG, IMAGETYPE_GIF])) { |
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return false; |
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} |
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$imagecreate = (IMAGETYPE_PNG == $t) ? 'imagecreatefrompng' : 'imagecreatefromgif'; |
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if (!@imagealphablending($this->image, true) || (false === ($wm = @$imagecreate($file)))) { |
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return false; |
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} |
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$w = imagesx($wm); |
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$h = imagesy($wm); |
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$x = (true === $left) ? 0 : ((null === $left) ? round(($this->width - $w) / 2) : (((false === $left) || !preg_match('/^\d+$/', $left)) ? ($this->width - $w) : $left)); |
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$y = (true === $top) ? 0 : ((null === $top) ? round(($this->height - $h) / 2) : (((false === $top) || !preg_match('/^\d+$/', $top)) ? ($this->height - $h) : $top)); |
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if ((($x + $w) > $this->width) || (($y + $h) > $this->height) || ($x < 0) || ($y < 0)) { |
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return false; |
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} |
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if ((false === $wm) || !@imagecopy($this->image, $wm, $x, $y, 0, 0, $w, $h)) { |
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return false; |
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} |
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@imagealphablending($this->image, false); |
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@imagesavealpha($this->image, true); |
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return true; |
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} |
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public function output($type = 'jpeg', array $options = []) |
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{ |
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$method = "output_$type"; |
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if (!method_exists($this, $method)) { |
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return false; |
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} |
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return $this->$method($options); |
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} |
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// ABSTRACT PROTECTED METHODS |
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protected function getBlankImage($width, $height) |
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{ |
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$image = imagecreatetruecolor($width, $height); |
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imagealphablending($image, false); |
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imagesavealpha($image, true); |
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return $image; |
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} |
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protected function getImage($image, &$width, &$height) |
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{ |
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if (is_resource($image) && ('gd' == get_resource_type($image))) { |
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$width = @imagesx($image); |
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$height = @imagesy($image); |
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imagealphablending($image, false); |
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imagesavealpha($image, true); |
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return $image; |
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} elseif (is_string($image) && (false !== (list($width, $height, $t) = @getimagesize($image)))) { |
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$image = (IMAGETYPE_GIF == $t) ? @imagecreatefromgif($image) : ((IMAGETYPE_WBMP == $t) ? @imagecreatefromwbmp($image) : ((IMAGETYPE_JPEG == $t) ? @imagecreatefromjpeg($image) : ((IMAGETYPE_PNG == $t) ? @imagecreatefrompng($image) : ((IMAGETYPE_XBM == $t) ? @imagecreatefromxbm( |
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$image |
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) : false)))); |
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if (IMAGETYPE_PNG == $t) { |
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imagealphablending($image, false); |
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imagesavealpha($image, true); |
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} |
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return $image; |
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} else { |
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return false; |
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} |
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} |
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// PSEUDO-ABSTRACT STATIC METHODS |
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public static function available() |
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{ |
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return function_exists('imagecreatefromjpeg'); |
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} |
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public static function checkImage($file) |
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{ |
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if (!is_string($file) || ((false === (list($width, $height, $t) = @getimagesize($file))))) { |
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return false; |
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} |
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$img = (IMAGETYPE_GIF == $t) ? @imagecreatefromgif($file) : ((IMAGETYPE_WBMP == $t) ? @imagecreatefromwbmp($file) : ((IMAGETYPE_JPEG == $t) ? @imagecreatefromjpeg($file) : ((IMAGETYPE_PNG == $t) ? @imagecreatefrompng($file) : ((IMAGETYPE_XBM == $t) ? @imagecreatefromxbm($file) : false)))); |
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return (false !== $img); |
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} |
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// OWN METHODS |
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protected function output_png(array $options = []) |
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{ |
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$file = isset($options['file']) ? $options['file'] : null; |
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$quality = isset($options['quality']) ? $options['quality'] : null; |
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$filters = isset($options['filters']) ? $options['filters'] : null; |
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if ((null === $file) && !headers_sent()) { |
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header('Content-Type: image/png'); |
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} |
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return imagepng($this->image, $file, $quality, $filters); |
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} |
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protected function output_jpeg(array $options = []) |
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{ |
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$file = isset($options['file']) ? $options['file'] : null; |
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$quality = isset($options['quality']) ? $options['quality'] : self::DEFAULT_JPEG_QUALITY; |
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if ((null === $file) && !headers_sent()) { |
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header('Content-Type: image/jpeg'); |
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} |
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return imagejpeg($this->image, $file, $quality); |
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} |
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279
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protected function output_gif(array $options = []) |
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{ |
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$file = isset($options['file']) ? $options['file'] : null; |
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if (isset($options['file']) && !headers_sent()) { |
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header('Content-Type: image/gif'); |
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} |
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return imagegif($this->image, $file); |
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} |
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287
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288
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protected function gdColor() |
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289
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{ |
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290
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$args = func_get_args(); |
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291
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292
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$exprRGB = '/^rgb\(\s*(\d{1,3})\s*\,\s*(\d{1,3})\s*\,\s*(\d{1,3})\s*\)$/i'; |
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$exprHex1 = '/^\#?([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i'; |
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$exprHex2 = '/^\#?([0-9a-f])([0-9a-f])([0-9a-f])$/i'; |
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$exprByte = '/^([01]?\d?\d|2[0-4]\d|25[0-5])$/'; |
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296
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297
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if (!isset($args[0])) { |
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return false; |
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} |
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300
|
|
|
|
|
301
|
|
|
if (3 == count($args[0])) { |
|
302
|
|
|
list($r, $g, $b) = $args[0]; |
|
303
|
|
|
} elseif (preg_match($exprRGB, $args[0], $match)) { |
|
304
|
|
|
list($tmp, $r, $g, $b) = $match; |
|
305
|
|
|
} elseif (preg_match($exprHex1, $args[0], $match)) { |
|
306
|
|
|
list($tmp, $r, $g, $b) = $match; |
|
307
|
|
|
$r = hexdec($r); |
|
308
|
|
|
$g = hexdec($g); |
|
309
|
|
|
$b = hexdec($b); |
|
310
|
|
|
} elseif (preg_match($exprHex2, $args[0], $match)) { |
|
311
|
|
|
list($tmp, $r, $g, $b) = $match; |
|
312
|
|
|
$r = hexdec("$r$r"); |
|
313
|
|
|
$g = hexdec("$g$g"); |
|
314
|
|
|
$b = hexdec("$b$b"); |
|
315
|
|
|
} elseif ((3 == count($args)) && preg_match($exprByte, $args[0]) && preg_match($exprByte, $args[1]) && preg_match($exprByte, $args[2])) { |
|
316
|
|
|
list($r, $g, $b) = $args; |
|
317
|
|
|
} else { |
|
318
|
|
|
return false; |
|
319
|
|
|
} |
|
320
|
|
|
|
|
321
|
|
|
return imagecolorallocate($this->image, $r, $g, $b); |
|
322
|
|
|
} |
|
323
|
|
|
|
|
324
|
|
|
protected function imageFilledRectangle($x1, $y1, $x2, $y2, $color) |
|
325
|
|
|
{ |
|
326
|
|
|
$color = $this->gdColor($color); |
|
327
|
|
|
if (false === $color) { |
|
328
|
|
|
return false; |
|
329
|
|
|
} |
|
330
|
|
|
return imageFilledRectangle($this->image, $x1, $y1, $x2, $y2, $color); |
|
331
|
|
|
} |
|
332
|
|
|
|
|
333
|
|
|
protected function imageCopyResampled( |
|
334
|
|
|
$src, |
|
335
|
|
|
$dstX = 0, |
|
336
|
|
|
$dstY = 0, |
|
337
|
|
|
$srcX = 0, |
|
338
|
|
|
$srcY = 0, |
|
339
|
|
|
$dstW = null, |
|
340
|
|
|
$dstH = null, |
|
341
|
|
|
$srcW = null, |
|
342
|
|
|
$srcH = null |
|
343
|
|
|
) { |
|
344
|
|
|
$imageDetails = $this->buildImage($src); |
|
345
|
|
|
|
|
346
|
|
|
if (false === $imageDetails) { |
|
|
|
|
|
|
347
|
|
|
return false; |
|
348
|
|
|
} |
|
349
|
|
|
|
|
350
|
|
|
list($src, $srcWidth, $srcHeight) = $imageDetails; |
|
351
|
|
|
|
|
352
|
|
|
if (is_null($dstW)) { |
|
353
|
|
|
$dstW = $this->width - $dstW; |
|
354
|
|
|
} |
|
355
|
|
|
if (is_null($dstH)) { |
|
356
|
|
|
$dstH = $this->height - $dstY; |
|
357
|
|
|
} |
|
358
|
|
|
if (is_null($srcW)) { |
|
359
|
|
|
$srcW = $srcWidth - $srcX; |
|
360
|
|
|
} |
|
361
|
|
|
if (is_null($srcH)) { |
|
362
|
|
|
$srcH = $srcHeight - $srcY; |
|
363
|
|
|
} |
|
364
|
|
|
return imageCopyResampled($this->image, $src, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH); |
|
365
|
|
|
} |
|
366
|
|
|
} |
|
367
|
|
|
|
mambax7 /
xoopseditors
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