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Advanced image compression: remove posterization #270

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Advanced image compression: remove posterization #270

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6 changes: 3 additions & 3 deletions class-respimg.php
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Original file line number Diff line number Diff line change
Expand Up @@ -29,9 +29,9 @@ class Respimg extends Imagick {
*
* This function is basically equivalent to:
*
* $optim == true: `mogrify -path OUTPUT_PATH -filter Triangle -define filter:support=2.0 -thumbnail OUTPUT_WIDTH -unsharp 0.25x0.08+8.3+0.045 -dither None -posterize 136 -quality 82 -define jpeg:fancy-upsampling=off -define png:compression-filter=5 -define png:compression-level=9 -define png:compression-strategy=1 -define png:exclude-chunk=all -interlace none -colorspace sRGB INPUT_PATH`
* $optim == true: `mogrify -path OUTPUT_PATH -filter Triangle -define filter:support=2.0 -thumbnail OUTPUT_WIDTH -unsharp 0.25x0.08+8.3+0.045 -quality 82 -define jpeg:fancy-upsampling=off -define png:compression-filter=5 -define png:compression-level=9 -define png:compression-strategy=1 -define png:exclude-chunk=all -interlace none -colorspace sRGB INPUT_PATH`
*
* $optim == false: `mogrify -path OUTPUT_PATH -filter Triangle -define filter:support=2.0 -thumbnail OUTPUT_WIDTH -unsharp 0.25x0.25+8+0.065 -dither None -posterize 136 -quality 82 -define jpeg:fancy-upsampling=off -define png:compression-filter=5 -define png:compression-level=9 -define png:compression-strategy=1 -define png:exclude-chunk=all -interlace none -colorspace sRGB -strip INPUT_PATH`
* $optim == false: `mogrify -path OUTPUT_PATH -filter Triangle -define filter:support=2.0 -thumbnail OUTPUT_WIDTH -unsharp 0.25x0.25+8+0.065 -quality 82 -define jpeg:fancy-upsampling=off -define png:compression-filter=5 -define png:compression-level=9 -define png:compression-strategy=1 -define png:exclude-chunk=all -interlace none -colorspace sRGB -strip INPUT_PATH`
*
* @access public
*
Expand All @@ -50,7 +50,7 @@ public function smartResize( $columns, $rows, $optim = false ) {
} else {
$this->unsharpMaskImage( 0.25, 0.25, 8, 0.065 );
}
$this->posterizeImage( 136, false );

$this->setImageCompressionQuality( 82 );
$this->setOption( 'jpeg:fancy-upsampling', 'off' );
$this->setOption( 'png:compression-filter', '5' );
Expand Down