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ImageMagick sfThumbnail Plugin fix under symfony

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The plugin's "shave_all" function was not properly cropping and resizing the thumbnails for me. The following needs to be changed in sfImageMagickAdapter.class.php

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  1. Change lines 223-237:
  2.  
  3.     $width  = $this->sourceWidth;
  4.     $height = $this->sourceHeight;
  5.     $x = $y = 0;
  6.     switch (@$this->options['method']) {
  7.       case "shave_all":
  8.         if ($width > $height)
  9.         {
  10.           $x = ceil(($width - $height) / 2 );
  11.           $width = $height;
  12.         }
  13.         elseif ($height > $width)
  14.         {
  15.           $y = ceil(($height - $width) / 2);
  16.           $height = $width;
  17.         }
  18.  
  19. to:
  20.  
  21.     $width  = $this->sourceWidth;
  22.     $height = $this->sourceHeight;
  23.     $mWidth = $this->maxWidth;
  24.     $mHeight = $this->maxHeight;
  25.     $x = $y = 0;
  26.     switch (@$this->options['method']) {
  27.       case "shave_all":
  28.         if ($width > $height)
  29.         {
  30.           $x = ceil(($width - ($height*$mWidth)/$mHeight) / 2 );
  31.           $width = $height;
  32.         }
  33.         elseif ($height > $width)
  34.         {
  35.           $y = ceil(($height - $width*($mHeight/$mWidth)) / 2);
  36.           $height = $width;
  37.         }

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