| changeset 1360 | 570abc94bd7f |
| parent 1357 | 4f83d730633f |
| child 1373 | 851b91febb85 |
| 1359:53c7e3cc7fb5 | 1360:570abc94bd7f |
|---|---|
4266 { |
4266 { |
4267 if ( !preg_match('/^([\/A-z0-9:\. _-]+)$/', $magick_path) ) |
4267 if ( !preg_match('/^([\/A-z0-9:\. _-]+)$/', $magick_path) ) |
4268 { |
4268 { |
4269 die('SECURITY: ImageMagick path is screwy'); |
4269 die('SECURITY: ImageMagick path is screwy'); |
4270 } |
4270 } |
4271 $magick_path = escapeshellcmd($magick_path); |
|
4271 $cmdline = "$magick_path $in_file_sh -resize \"{$width}x{$height}>\" $out_file_sh"; |
4272 $cmdline = "$magick_path $in_file_sh -resize \"{$width}x{$height}>\" $out_file_sh"; |
4272 system($cmdline, $return); |
4273 system($cmdline, $return); |
4273 if ( !file_exists($out_file) ) |
4274 if ( !file_exists($out_file) ) |
4274 throw new Exception('ImageMagick: did not produce output image file.'); |
4275 throw new Exception('ImageMagick: did not produce output image file.'); |
4275 return true; |
4276 return true; |
4289 $new_height = round( $width / $ratio ); |
4290 $new_height = round( $width / $ratio ); |
4290 } |
4291 } |
4291 else if ( $ratio < 1 ) |
4292 else if ( $ratio < 1 ) |
4292 { |
4293 { |
4293 // orig. height is greater than width |
4294 // orig. height is greater than width |
4294 $new_width = round( $height / $ratio ); |
4295 $new_width = round( $height * $ratio ); |
4295 $new_height = $height; |
4296 $new_height = $height; |
4296 } |
4297 } |
4297 else if ( $ratio == 1 ) |
4298 else if ( $ratio == 1 ) |
4298 { |
4299 { |
4299 $new_width = $width; |
4300 $new_width = $width; |
4310 if ( !$newimage ) |
4311 if ( !$newimage ) |
4311 throw new Exception('GD: Request to create new truecolor image refused.'); |
4312 throw new Exception('GD: Request to create new truecolor image refused.'); |
4312 $oldimage = @$func($in_file); |
4313 $oldimage = @$func($in_file); |
4313 if ( !$oldimage ) |
4314 if ( !$oldimage ) |
4314 throw new Exception('GD: Request to load input image file failed.'); |
4315 throw new Exception('GD: Request to load input image file failed.'); |
4316 |
|
4317 if ( $file_ext == 'png' || $file_ext == 'gif' ) |
|
4318 { |
|
4319 imagecolortransparent($newimage, imagecolorallocatealpha($newimage, 0, 0, 0, 127)); |
|
4320 imagealphablending($newimage, false); |
|
4321 imagesavealpha($newimage, true); |
|
4322 } |
|
4315 |
4323 |
4316 // Perform scaling |
4324 // Perform scaling |
4317 imagecopyresampled($newimage, $oldimage, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig); |
4325 imagecopyresampled($newimage, $oldimage, 0, 0, 0, 0, $new_width, $new_height, $width_orig, $height_orig); |
4318 |
4326 |
4319 // Get output format |
4327 // Get output format |