ok
Mini Shell
<?php
/** This file is part of KCFinder project
*
* @desc GD image driver class
* @package KCFinder
* @version 3.12
* @author Pavel Tzonkov <sunhater@sunhater.com>
* @copyright 2010-2014 KCFinder Project
* @license http://opensource.org/licenses/GPL-3.0 GPLv3
* @license http://opensource.org/licenses/LGPL-3.0 LGPLv3
* @link http://kcfinder.sunhater.com
*/
namespace kcfinder;
class image_gd extends image {
// ABSTRACT PUBLIC METHODS
public function resize($width, $height) {
if (!$width) $width = 1;
if (!$height) $height = 1;
return (
(false !== ($img = new image_gd(array($width, $height)))) &&
$img->imageCopyResampled($this) &&
(false !== ($this->image = $img->image)) &&
(false !== ($this->width = $img->width)) &&
(false !== ($this->height = $img->height))
);
}
public function resizeFit($width, $height, $background=false) {
if ((!$width && !$height) || (($width == $this->width) && ($height == $this->height)))
return true;
if (!$width || (($height / $width) < ($this->height / $this->width))) {
$h = $height;
$w = round(($this->width * $h) / $this->height);
} elseif (!$height || (($width / $height) < ($this->width / $this->height))) {
$w = $width;
$h = round(($this->height * $w) / $this->width);
} else {
$w = $width;
$h = $height;
}
if (!$w) $w = 1;
if (!$h) $h = 1;
if ($background === false)
return $this->resize($w, $h);
else {
$img = new image_gd(array($width, $height));
$x = round(($width - $w) / 2);
$y = round(($height - $h) / 2);
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))
)
return false;
$this->image = $img->image;
$this->width = $width;
$this->height = $height;
return true;
}
}
public function resizeCrop($width, $height, $offset=false) {
if (($this->width / $this->height) > ($width / $height)) {
$h = $height;
$w = ($this->width * $h) / $this->height;
$y = 0;
if ($offset !== false) {
if ($offset > 0)
$offset = -$offset;
if (($w + $offset) <= $width)
$offset = $width - $w;
$x = $offset;
} else
$x = ($width - $w) / 2;
} else {
$w = $width;
$h = ($this->height * $w) / $this->width;
$x = 0;
if ($offset !== false) {
if ($offset > 0)
$offset = -$offset;
if (($h + $offset) <= $height)
$offset = $height - $h;
$y = $offset;
} else
$y = ($height - $h) / 2;
}
$x = round($x);
$y = round($y);
$w = round($w);
$h = round($h);
if (!$w) $w = 1;
if (!$h) $h = 1;
$return = (
(false !== ($img = new image_gd(array($width, $height))))) &&
(false !== ($img->imageCopyResampled($this->image, $x, $y, 0, 0, $w, $h))
);
if ($return) {
$this->image = $img->image;
$this->width = $w;
$this->height = $h;
}
return $return;
}
public function rotate($angle, $background="#000000") {
$angle = -$angle;
$img = @imagerotate($this->image, $angle, $this->gdColor($background));
if ($img === false)
return false;
$this->width = imagesx($img);
$this->height = imagesy($img);
$this->image = $img;
return true;
}
public function flipHorizontal() {
$img = imagecreatetruecolor($this->width, $this->height);
if (imagecopyresampled($img, $this->image, 0, 0, ($this->width - 1), 0, $this->width, $this->height, -$this->width, $this->height))
$this->image = $img;
else
return false;
return true;
}
public function flipVertical() {
$img = imagecreatetruecolor($this->width, $this->height);
if (imagecopyresampled($img, $this->image, 0, 0, 0, ($this->height - 1), $this->width, $this->height, $this->width, -$this->height))
$this->image = $img;
else
return false;
return true;
}
public function watermark($file, $left=false, $top=false) {
$info = getimagesize($file);
list($w, $h, $t) = $info;
if (!in_array($t, array(IMAGETYPE_PNG, IMAGETYPE_GIF)))
return false;
$imagecreate = ($t == IMAGETYPE_PNG) ? "imagecreatefrompng" : "imagecreatefromgif";
if (!@imagealphablending($this->image, true) ||
(false === ($wm = @$imagecreate($file)))
)
return false;
$w = imagesx($wm);
$h = imagesy($wm);
$x =
($left === true) ? 0 : (
($left === null) ? round(($this->width - $w) / 2) : (
(($left === false) || !preg_match('/^\d+$/', $left)) ? ($this->width - $w) : $left));
$y =
($top === true) ? 0 : (
($top === null) ? round(($this->height - $h) / 2) : (
(($top === false) || !preg_match('/^\d+$/', $top)) ? ($this->height - $h) : $top));
if ((($x + $w) > $this->width) ||
(($y + $h) > $this->height) ||
($x < 0) || ($y < 0)
)
return false;
if (($wm === false) || !@imagecopy($this->image, $wm, $x, $y, 0, 0, $w, $h))
return false;
@imagealphablending($this->image, false);
@imagesavealpha($this->image, true);
return true;
}
public function output($type='jpeg', array $options=array()) {
$method = "output_$type";
if (!method_exists($this, $method))
return false;
return $this->$method($options);
}
// ABSTRACT PROTECTED METHODS
protected function getBlankImage($width, $height) {
$image = imagecreatetruecolor($width, $height);
imagealphablending($image, false);
imagesavealpha($image, true);
return $image;
}
protected function getImage($image, &$width, &$height) {
if (is_resource($image) && (get_resource_type($image) == "gd")) {
$width = @imagesx($image);
$height = @imagesy($image);
imagealphablending($image, false);
imagesavealpha($image, true);
return $image;
} elseif (is_string($image) &&
(false !== (list($width, $height, $t) = @getimagesize($image)))
) {
$image =
($t == IMAGETYPE_GIF) ? @imagecreatefromgif($image) : (
($t == IMAGETYPE_WBMP) ? @imagecreatefromwbmp($image) : (
($t == IMAGETYPE_JPEG) ? @imagecreatefromjpeg($image) : (
($t == IMAGETYPE_PNG) ? @imagecreatefrompng($image) : (
($t == IMAGETYPE_XBM) ? @imagecreatefromxbm($image) : false
))));
if ($t == IMAGETYPE_PNG) {
imagealphablending($image, false);
imagesavealpha($image, true);
}
return $image;
} else
return false;
}
// PSEUDO-ABSTRACT STATIC METHODS
static function available() {
return function_exists("imagecreatefromjpeg");
}
static function checkImage($file) {
if (!is_string($file) ||
((false === (list($width, $height, $t) = @getimagesize($file))))
)
return false;
$img =
($t == IMAGETYPE_GIF) ? @imagecreatefromgif($file) : (
($t == IMAGETYPE_WBMP) ? @imagecreatefromwbmp($file) : (
($t == IMAGETYPE_JPEG) ? @imagecreatefromjpeg($file) : (
($t == IMAGETYPE_PNG) ? @imagecreatefrompng($file) : (
($t == IMAGETYPE_XBM) ? @imagecreatefromxbm($file) : false
))));
return ($img !== false);
}
// OWN METHODS
protected function output_png(array $options=array()) {
$file = isset($options['file']) ? $options['file'] : null;
$quality = isset($options['quality']) ? $options['quality'] : null;
$filters = isset($options['filters']) ? $options['filters'] : null;
if (($file === null) && !headers_sent())
header("Content-Type: image/png");
return imagepng($this->image, $file, $quality, $filters);
}
protected function output_jpeg(array $options=array()) {
$file = isset($options['file']) ? $options['file'] : null;
$quality = isset($options['quality'])
? $options['quality']
: self::DEFAULT_JPEG_QUALITY;
if (($file === null) && !headers_sent())
header("Content-Type: image/jpeg");
return imagejpeg($this->image, $file, $quality);
}
protected function output_gif(array $options=array()) {
$file = isset($options['file']) ? $options['file'] : null;
if (isset($options['file']) && !headers_sent())
header("Content-Type: image/gif");
return imagegif($this->image, $file);
}
protected function gdColor() {
$args = func_get_args();
$exprRGB = '/^rgb\(\s*(\d{1,3})\s*\,\s*(\d{1,3})\s*\,\s*(\d{1,3})\s*\)$/i';
$exprHex1 = '/^\#?([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i';
$exprHex2 = '/^\#?([0-9a-f])([0-9a-f])([0-9a-f])$/i';
$exprByte = '/^([01]?\d?\d|2[0-4]\d|25[0-5])$/';
if (!isset($args[0]))
return false;
if (count($args[0]) == 3) {
list($r, $g, $b) = $args[0];
} elseif (preg_match($exprRGB, $args[0], $match)) {
list($tmp, $r, $g, $b) = $match;
} elseif (preg_match($exprHex1, $args[0], $match)) {
list($tmp, $r, $g, $b) = $match;
$r = hexdec($r);
$g = hexdec($g);
$b = hexdec($b);
} elseif (preg_match($exprHex2, $args[0], $match)) {
list($tmp, $r, $g, $b) = $match;
$r = hexdec("$r$r");
$g = hexdec("$g$g");
$b = hexdec("$b$b");
} elseif ((count($args) == 3) &&
preg_match($exprByte, $args[0]) &&
preg_match($exprByte, $args[1]) &&
preg_match($exprByte, $args[2])
) {
list($r, $g, $b) = $args;
} else
return false;
return imagecolorallocate($this->image, $r, $g, $b);
}
protected function imageFilledRectangle($x1, $y1, $x2, $y2, $color) {
$color = $this->gdColor($color);
if ($color === false) return false;
return imageFilledRectangle($this->image, $x1, $y1, $x2, $y2, $color);
}
protected function imageCopyResampled(
$src, $dstX=0, $dstY=0, $srcX=0, $srcY=0, $dstW=null, $dstH=null, $srcW=null, $srcH=null
) {
$imageDetails = $this->buildImage($src);
if ($imageDetails === false)
return false;
list($src, $srcWidth, $srcHeight) = $imageDetails;
if (is_null($dstW)) $dstW = $this->width - $dstW;
if (is_null($dstH)) $dstH = $this->height - $dstY;
if (is_null($srcW)) $srcW = $srcWidth - $srcX;
if (is_null($srcH)) $srcH = $srcHeight - $srcY;
return imageCopyResampled($this->image, $src, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
}
Zerion Mini Shell 1.0