Created
April 20, 2010 19:49
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//echo $imagefullpath; | |
$img = ImageCreateFromJPEG($imagefullpath); | |
$canvas = imagecreatetruecolor($thumb_w,$thumb_h); | |
// following image calculation based on | |
// http://return-true.com/2009/02/making-cropping-thumbnails-square-using-php-gd/ | |
$orig_w = imagesx($img); | |
$orig_h = imagesy($img); | |
$w_ratio = ($thumb_w / $orig_w); | |
$h_ratio = ($thumb_h / $orig_h); | |
if ($orig_w > $orig_h) { // horizontal image | |
$crop_w = $orig_w * $h_ratio; | |
$crop_h = $thumb_h; | |
} else if ($orig_w < $orig_h) { // vertical image | |
$crop_w = $thumb_w; | |
$crop_h = $orig_h * $w_ratio; | |
} else { // already square | |
$crop_w = $thumb_w; | |
$crop_h = $thumb_h; | |
} | |
if (imagecopyresampled($canvas,$img,0,0,0,0,$crop_w,$crop_h,$orig_w,$orig_h)) { | |
imagejpeg($canvas,$thumbfullpath, 100); | |
} | |
imagedestroy($canvas); | |
imagedestroy($img); |
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