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https://github.com/HaschekSolutions/pictshare.git
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added filters
This commit is contained in:
Chris
@@ -0,0 +1,278 @@
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<?php
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function getFilters()
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{
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return get_class_methods('Filter');
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}
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class Filter {
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public function sepia($im,$val) {
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_COLORIZE, 100, 50, 0);
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return $im;
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}
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public function sepia2($im,$val) {
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
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imagefilter($im, IMG_FILTER_CONTRAST, -20);
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imagefilter($im, IMG_FILTER_COLORIZE, 60, 30, -15);
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return $im;
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}
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public function sharpen($im,$val) {
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$gaussian = array(
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array(1.0, 1.0, 1.0),
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array(1.0, -7.0, 1.0),
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array(1.0, 1.0, 1.0)
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);
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imageconvolution($im, $gaussian, 1, 4);
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return $im;
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}
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public function emboss($im,$val) {
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$gaussian = array(
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array(-2.0, -1.0, 0.0),
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array(-1.0, 1.0, 1.0),
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array(0.0, 1.0, 2.0)
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);
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imageconvolution($im, $gaussian, 1, 5);
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return $im;
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}
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public function cool($im,$val) {
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imagefilter($im, IMG_FILTER_MEAN_REMOVAL);
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imagefilter($im, IMG_FILTER_CONTRAST, -50);
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return $im;
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}
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public function light($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
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imagefilter($im, IMG_FILTER_COLORIZE, 100, 50, 0, 10);
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return $im;
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}
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public function aqua($im,$val) {
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 70, 0, 30);
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return $im;
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}
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public function fuzzy($im,$val) {
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$gaussian = array(
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array(1.0, 1.0, 1.0),
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array(1.0, 1.0, 1.0),
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array(1.0, 1.0, 1.0)
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);
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imageconvolution($im, $gaussian, 9, 20);
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return $im;
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}
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public function boost($im,$val) {
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imagefilter($im, IMG_FILTER_CONTRAST, -35);
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
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return $im;
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}
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public function boost2($im,$val) {
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imagefilter( $im, IMG_FILTER_CONTRAST, -35);
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imagefilter( $im, IMG_FILTER_COLORIZE, 25, 25, 25);
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return $im;
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}
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public function gray($im,$val) {
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imagefilter($im, IMG_FILTER_CONTRAST, -60);
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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return $im;
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}
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public function antique($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 0);
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imagefilter($im, IMG_FILTER_CONTRAST, -30);
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imagefilter($im, IMG_FILTER_COLORIZE, 75, 50, 25);
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return $im;
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}
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public function blackwhite($im,$val) {
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
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imagefilter($im, IMG_FILTER_CONTRAST, -20);
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return $im;
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}
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public function vintage($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_COLORIZE, 40, 10, -15);
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return $im;
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}
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public function concentrate($im,$val) {
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imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
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imagefilter($im, IMG_FILTER_SMOOTH, -10);
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return $im;
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}
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public function hermajesty($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
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imagefilter($im, IMG_FILTER_CONTRAST, -5);
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imagefilter($im, IMG_FILTER_COLORIZE, 80, 0, 60);
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return $im;
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}
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public function everglow($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -30);
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imagefilter($im, IMG_FILTER_CONTRAST, -5);
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imagefilter($im, IMG_FILTER_COLORIZE, 30, 30, 0);
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return $im;
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}
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public function freshblue($im,$val) {
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imagefilter($im, IMG_FILTER_CONTRAST, -5);
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imagefilter($im, IMG_FILTER_COLORIZE, 20, 0, 80, 60);
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return $im;
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}
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public function tender($im,$val) {
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imagefilter($im, IMG_FILTER_CONTRAST, 5);
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imagefilter($im, IMG_FILTER_COLORIZE, 80, 20, 40, 50);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 40, 40, 100);
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imagefilter($im, IMG_FILTER_SELECTIVE_BLUR);
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return $im;
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}
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public function dream($im,$val) {
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imagefilter($im, IMG_FILTER_COLORIZE, 150, 0, 0, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 50, 0, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
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return $im;
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}
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public function frozen($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -15);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 100, 50);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 100, 50);
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imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
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return $im;
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}
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public function forest($im,$val) {
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 150, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 0, 150, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_SMOOTH, 10);
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return $im;
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}
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public function rain($im,$val) {
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imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
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imagefilter($im, IMG_FILTER_MEAN_REMOVAL);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 80, 50, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_SMOOTH, 10);
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return $im;
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}
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public function orangepeel($im,$val) {
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imagefilter($im, IMG_FILTER_COLORIZE, 100, 20, -50, 20);
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imagefilter($im, IMG_FILTER_SMOOTH, 10);
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -10);
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imagefilter($im, IMG_FILTER_CONTRAST, 10);
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imagegammacorrect($im, 1, 1.2 );
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return $im;
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}
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public function darken($im,$val) {
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -50);
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return $im;
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}
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public function summer($im,$val) {
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imagefilter($im, IMG_FILTER_COLORIZE, 0, 150, 0, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_COLORIZE, 25, 50, 0, 50);
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imagefilter($im, IMG_FILTER_NEGATE);
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return $im;
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}
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public function retro($im,$val) {
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imagefilter($im, IMG_FILTER_GRAYSCALE);
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imagefilter($im, IMG_FILTER_COLORIZE, 100, 25, 25, 50);
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return $im;
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}
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public function country($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, -30);
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imagefilter($im, IMG_FILTER_COLORIZE, 50, 50, 50, 50);
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imagegammacorrect($im, 1, 0.3);
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return $im;
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}
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public function washed($im,$val) {
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 30);
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imagefilter($im, IMG_FILTER_NEGATE);
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imagefilter($im, IMG_FILTER_COLORIZE, -50, 0, 20, 50);
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imagefilter($im, IMG_FILTER_NEGATE );
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imagefilter($im, IMG_FILTER_BRIGHTNESS, 10);
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imagegammacorrect($im, 1, 1.2);
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return $im;
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}
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public function pixelate($im,$val) {
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if($val==null) $val = 10;
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imagefilter($im,IMG_FILTER_PIXELATE,$val);
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return $im;
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}
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public function blur($im,$blurFactor)
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{
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if(!$blurFactor)
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$blurFactor = 3;
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if($blurFactor>6)
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$blurFactor = 6;
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else if($blurFactor<0)
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$blurFactor = 0;
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// blurFactor has to be an integer
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$blurFactor = round($blurFactor);
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$originalWidth = imagesx($im);
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$originalHeight = imagesy($im);
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$smallestWidth = ceil($originalWidth * pow(0.5, $blurFactor));
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$smallestHeight = ceil($originalHeight * pow(0.5, $blurFactor));
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// for the first run, the previous image is the original input
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$prevImage = $im;
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$prevWidth = $originalWidth;
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$prevHeight = $originalHeight;
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// scale way down and gradually scale back up, blurring all the way
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for($i = 0; $i < $blurFactor; $i += 1)
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{
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// determine dimensions of next image
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$nextWidth = $smallestWidth * pow(2, $i);
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$nextHeight = $smallestHeight * pow(2, $i);
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// resize previous image to next size
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$nextImage = imagecreatetruecolor($nextWidth, $nextHeight);
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imagecopyresized($nextImage, $prevImage, 0, 0, 0, 0,
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$nextWidth, $nextHeight, $prevWidth, $prevHeight);
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// apply blur filter
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imagefilter($nextImage, IMG_FILTER_GAUSSIAN_BLUR);
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// now the new image becomes the previous image for the next step
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$prevImage = $nextImage;
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$prevWidth = $nextWidth;
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$prevHeight = $nextHeight;
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}
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// scale back to original size and blur one more time
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imagecopyresized($im, $nextImage,
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0, 0, 0, 0, $originalWidth, $originalHeight, $nextWidth, $nextHeight);
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imagefilter($im, IMG_FILTER_GAUSSIAN_BLUR);
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// clean up
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imagedestroy($prevImage);
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// return result
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return $im;
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}
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}
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