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Функия crop в библиотеке LiveImage/Image.php

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This commit is contained in:
Alexey Kachayev 2009-09-11 23:19:15 +00:00
parent 438b544718
commit 16fb2deae5
1 changed files with 45 additions and 1 deletions
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46
engine/lib/external/LiveImage/Image.php vendored
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@ -106,8 +106,10 @@ class LiveImage {
/**
* Определяем тип файла изображения
*/
$size['mime']=image_type_to_mime_type($size['mime']);
switch ($size['mime']) {
case 'image/png':
case "image/x-png":
$tmp=imagecreatefrompng($file);
$this->format='png';
break;
@ -115,7 +117,9 @@ class LiveImage {
$tmp=imagecreatefromgif($file);
$this->format='gif';
break;
case 'image/jpeg':
case "image/pjpeg":
case "image/jpeg":
case "image/jpg":
$tmp=imagecreatefromjpeg($file);
$this->format='jpg';
break;
@ -196,6 +200,46 @@ class LiveImage {
return true;
}
/**
* Crop image
*
* @param int $width
* @param int $height
* @param int $start_width
* @param int $start_height
* @return mixed
*/
public function crop($width, $height, $start_width, $start_height) {
if($this->truecolor) {
$tmp=imagecreatetruecolor($width,$height);
} else {
$tmp=imagecreate($width,$height);
}
/**
* Если темп-изображение не создано, ставим отметку об ошикбе
*/
if(!$tmp) {
$this->set_last_error(1);
return false;
}
@imagesavealpha($tmp,true);
@imagealphablending($tmp,false);
if(!@imagecopyresampled($tmp,$this->image,$start_width,$start_height,$width,$height,$width,$height)) {
imagedestroy($tmp);
return false;
}
imagedestroy($this->image);
$this->image=$tmp;
$this->width=$width;
$this->height=$height;
return true;
}
/**
* Return image object
*