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Created
Thu, Nov 13, 3:02 PM

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Index: branches/unlabeled/unlabeled-1.1.2/kernel/units/general/image_helper.php
===================================================================
--- branches/unlabeled/unlabeled-1.1.2/kernel/units/general/image_helper.php (nonexistent)
+++ branches/unlabeled/unlabeled-1.1.2/kernel/units/general/image_helper.php (revision 4116)
@@ -0,0 +1,120 @@
+<?php
+
+class kImageHelper extends kHelper {
+
+ var $Image;
+ var $FileName;
+ var $ImageInfo;
+
+ function Load($file_name)
+ {
+ $image_info = getimagesize($file_name);
+
+ list($orig_width, $orig_height, $type, $attr) = $image_info;
+ $type = $image_info['mime'];
+
+ $type_to_function = Array(
+ 'image/jpeg' => 'imagecreatefromjpeg',
+ 'image/pjpeg' => 'imagecreatefromjpeg',
+ 'image/png' => 'imagecreatefrompng',
+ 'image/gif' => 'imagecreatefromgif',
+ );
+ $func_to_use = $type_to_function[$type];
+
+ $this->ImageInfo = $image_info;
+ $this->FileName = $file_name;
+ return ( $this->Image = @$func_to_use($file_name) ) ? 1 : 0;
+ }
+
+ function CopyResizedWithBackground($max_width, $max_height, $quality, $bg_color = false, $target_filename = false)
+ {
+ list($orig_width, $orig_height, $type, $attr) = $this->ImageInfo;
+
+ $dst_img = imagecreatetruecolor($max_width, $max_height);
+
+ if(!is_array($bg_color))
+ {
+ $bg_color = Array(0xFF, 0xFF, 0xFF);
+ }
+
+ list($r, $g, $b) = $bg_color;
+ $bg_color = imagecolorallocate($dst_img, $r, $g, $b);
+ imagefill($dst_img, 0 ,0, $bg_color);
+
+ $too_large = ($orig_width > $max_width) || ($orig_height > $max_height);
+
+ if($too_large)
+ {
+ $width_ratio = $max_width ? $max_width / $orig_width : 1;
+ $height_ratio = $max_height ? $max_height / $orig_height : 1;
+ $ratio = min($width_ratio, $height_ratio);
+
+ $width = ceil($orig_width * $ratio);
+ $height = ceil($orig_height * $ratio);
+ }
+ else
+ {
+ $width = $orig_width;
+ $height = $orig_height;
+ }
+
+ $dst_x = ceil(($max_width - $width) / 2);
+ $dst_y = ceil(($max_height - $height) / 2);
+ imagecopyresampled($dst_img, $this->Image, $dst_x, $dst_y, 0, 0, $width, $height, $orig_width, $orig_height);
+
+ if($target_filename)
+ {
+ imagejpeg($dst_img, $target_filename, $quality);
+ }
+ else
+ {
+ $this->Image = $dst_img;
+ }
+ }
+
+ function CopyResized($max_width, $max_height, $quality, $target_filename = false)
+ {
+ list($orig_width, $orig_height, $type, $attr) = $this->ImageInfo;
+
+ $too_large = ($orig_width > $max_width) || ($orig_height > $max_height);
+
+ if($too_large)
+ {
+ $width_ratio = $max_width ? $max_width / $orig_width : 1;
+ $height_ratio = $max_height ? $max_height / $orig_height : 1;
+ $ratio = min($width_ratio, $height_ratio);
+
+ $width = ceil($orig_width * $ratio);
+ $height = ceil($orig_height * $ratio);
+ }
+ else
+ {
+ $width = $orig_width;
+ $height = $orig_height;
+ }
+
+ $dst_img = imagecreatetruecolor($width, $height);
+
+ imagecopyresampled($dst_img, $this->Image, 0, 0, 0, 0, $width, $height, $orig_width, $orig_height);
+
+ if($target_filename)
+ {
+ imagejpeg($dst_img, $target_filename, $quality);
+ }
+ else
+ {
+ $this->Image = $dst_img;
+ }
+ }
+
+ function SaveImage($quality, $file_name = false)
+ {
+ if(!$file_name)
+ {
+ $file_name = $this->FileName;
+ }
+ imagejpeg($this->Image, $file_name, $quality);
+ }
+}
+
+?>
\ No newline at end of file
Property changes on: branches/unlabeled/unlabeled-1.1.2/kernel/units/general/image_helper.php
___________________________________________________________________
Added: cvs2svn:cvs-rev
## -0,0 +1 ##
+1.1.2.1
\ No newline at end of property
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property

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