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authorM.Gergo2018-07-06 11:14:41 +0200
committerM.Gergo2018-07-06 11:14:41 +0200
commit43de9af71f7f4ca5731b94a06d688ae8412ba427 (patch)
tree54835de1dfcda504c02da261f0dc26885aed2e89 /mayor-orig/www/include/share/gd
parent50310b0e4513ee3fcce67351ae61e8fff851130e (diff)
downloadmayor-43de9af71f7f4ca5731b94a06d688ae8412ba427.tar.gz
mayor-43de9af71f7f4ca5731b94a06d688ae8412ba427.zip
2018/Feb/28 -i állapot hozzáadva, mint a módosítások kiindulási állapota
Diffstat (limited to 'mayor-orig/www/include/share/gd')
-rw-r--r--mayor-orig/www/include/share/gd/imagefilter.php252
1 files changed, 252 insertions, 0 deletions
diff --git a/mayor-orig/www/include/share/gd/imagefilter.php b/mayor-orig/www/include/share/gd/imagefilter.php
new file mode 100644
index 00000000..908b4407
--- /dev/null
+++ b/mayor-orig/www/include/share/gd/imagefilter.php
@@ -0,0 +1,252 @@
+<?php
+
+//include this file whenever you have to use imageconvolution...
+//This is licensed either GPL3 or public domain, pick the one you like
+//you can use in your project, but keep the comment below :)
+//great for any image manipulation library
+//Made by Chao Xu(Mgccl) 3/1/07
+//www.webdevlogs.com
+//V 1.0
+if(!function_exists('imagefilter')){
+
+define('IMG_FILTER_NEGATE',0);
+define('IMG_FILTER_GRAYSCALE',0);
+define('IMG_FILTER_BRIGHTNESS',2);
+define('IMG_FILTER_CONTRAST',3);
+define('IMG_FILTER_COLORIZE',4);
+define('IMG_FILTER_EDGEDETECT',5);
+define('IMG_FILTER_EMBOSS',6);
+define('IMG_FILTER_GAUSSIAN_BLUR',7);
+define('IMG_FILTER_SELECTIVE_BLUR',8);
+define('IMG_FILTER_MEAN_REMOVAL',9);
+define('IMG_FILTER_SMOOTH',10);
+
+
+function imagefilter($source, $var, $arg1 = null, $arg2 = null, $arg3 = null){
+#define('IMAGE_FILTER_NEGATE',0);
+#define('IMAGE_FILTER_GRAYSCALE',0);
+#define('IMAGE_FILTER_BRIGHTNESS',2);
+#define('IMAGE_FILTER_CONTRAST',3);
+#define('IMAGE_FILTER_COLORIZE',4);
+#define('IMAGE_FILTER_EDGEDETECT',5);
+#define('IMAGE_FILTER_EMBOSS',6);
+#define('IMAGE_FILTER_GAUSSIAN_BLUR',7);
+#define('IMAGE_FILTER_SELECTIVE_BLUR',8);
+#define('IMAGE_FILTER_MEAN_REMOVAL',9);
+#define('IMAGE_FILTER_SMOOTH',10);
+$max_y = imagesy($source);
+$max_x = imagesx($source);
+ switch ($var){
+ case 0:
+ $y = 0;
+ while($y<$max_y) {
+ $x = 0;
+ while($x<$max_x){
+ $rgb = imagecolorat($source,$x,$y);
+ $r = 255 - (($rgb >> 16) & 0xFF);
+ $g = 255 - (($rgb >> 8) & 0xFF);
+ $b = 255 - ($rgb & 0xFF);
+ $a = $rgb >> 24;
+ $new_pxl = imagecolorallocatealpha($source, $r, $g, $b, $a);
+ if ($new_pxl == false){
+ $new_pxl = imagecolorclosestalpha($source, $r, $g, $b, $a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ ++$x;
+ }
+ ++$y;
+ }
+ return true;
+ break;
+ case 1:
+ $y = 0;
+ while($y<$max_y) {
+ $x = 0;
+ while($x<$max_x){
+ $rgb = imagecolorat($source,$x,$y);
+ $a = $rgb >> 24;
+ $r = ((($rgb >> 16) & 0xFF)*0.299)+((($rgb >> 8) & 0xFF)*0.587)+(($rgb & 0xFF)*0.114);
+ $new_pxl = imagecolorallocatealpha($source, $r, $r, $r, $a);
+ if ($new_pxl == false){
+ $new_pxl = imagecolorclosestalpha($source, $r, $r, $r, $a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ ++$x;
+ }
+ ++$y;
+ }
+ return true;
+ break;
+ case 2:
+ $y = 0;
+ while($y<$max_y) {
+ $x = 0;
+ while($x<$max_x){
+ $rgb = imagecolorat($source,$x,$y);
+ $r = (($rgb >> 16) & 0xFF) + $arg1;
+ $g = (($rgb >> 8) & 0xFF) + $arg1;
+ $b = ($rgb & 0xFF) + $arg1;
+ $a = $rgb >> 24;
+ $r = ($r > 255)? 255 : (($r < 0)? 0:$r);
+ $g = ($g > 255)? 255 : (($g < 0)? 0:$g);
+ $b = ($b > 255)? 255 : (($b < 0)? 0:$b);
+ $new_pxl = imagecolorallocatealpha($source, $r, $g, $b, $a);
+ if ($new_pxl == false){
+ $new_pxl = imagecolorclosestalpha($source, $r, $g, $b, $a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ ++$x;
+ }
+ ++$y;
+ }
+ return true;
+ break;
+ case 3:
+ $contrast = pow((100-$arg1)/100,2);
+ $y = 0;
+ while($y<$max_y) {
+ $x = 0;
+ while($x<$max_x){
+ $rgb = imagecolorat($source,$x,$y);
+ $a = $rgb >> 24;
+ $r = (((((($rgb >> 16) & 0xFF)/255)-0.5)*$contrast)+0.5)*255;
+ $g = (((((($rgb >> 8) & 0xFF)/255)-0.5)*$contrast)+0.5)*255;
+ $b = ((((($rgb & 0xFF)/255)-0.5)*$contrast)+0.5)*255;
+ $r = ($r > 255)? 255 : (($r < 0)? 0:$r);
+ $g = ($g > 255)? 255 : (($g < 0)? 0:$g);
+ $b = ($b > 255)? 255 : (($b < 0)? 0:$b);
+ $new_pxl = imagecolorallocatealpha($source, $r, $g, $b, $a);
+ if ($new_pxl == false){
+ $new_pxl = imagecolorclosestalpha($source, $r, $g, $b, $a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ ++$x;
+ }
+ ++$y;
+ }
+ return true;
+ break;
+ case 4:
+ $x = 0;
+ while($x<$max_x){
+ $y = 0;
+ while($y<$max_y){
+ $rgb = imagecolorat($source, $x, $y);
+ $r = (($rgb >> 16) & 0xFF) + $arg1;
+ $g = (($rgb >> 8) & 0xFF) + $arg2;
+ $b = ($rgb & 0xFF) + $arg3;
+ $a = $rgb >> 24;
+ $r = ($r > 255)? 255 : (($r < 0)? 0:$r);
+ $g = ($g > 255)? 255 : (($g < 0)? 0:$g);
+ $b = ($b > 255)? 255 : (($b < 0)? 0:$b);
+ $new_pxl = imagecolorallocatealpha($source, $r, $g, $b, $a);
+ if ($new_pxl == false){
+ $new_pxl = imagecolorclosestalpha($source, $r, $g, $b, $a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ ++$y;
+ }
+ ++$x;
+ }
+ return true;
+ break;
+ case 5:
+ return imageconvolution($source, array(array(-1,0,-1), array(0,4,0), array(-1,0,-1)), 1, 127);
+ break;
+ case 6:
+ return imageconvolution($source, array(array(1.5, 0, 0), array(0, 0, 0), array(0, 0, -1.5)), 1, 127);
+ break;
+ case 7:
+ return imageconvolution($source, array(array(1, 2, 1), array(2, 4, 2), array(1, 2, 1)), 16, 0);
+ break;
+ case 8:
+ for($y = 0; $y<$max_y; $y++) {
+ for ($x = 0; $x<$max_x; $x++) {
+ $flt_r_sum = $flt_g_sum = $flt_b_sum = 0;
+ $cpxl = imagecolorat($source, $x, $y);
+ for ($j=0; $j<3; $j++) {
+ for ($i=0; $i<3; $i++) {
+ if (($j == 1) && ($i == 1)) {
+ $flt_r[1][1] = $flt_g[1][1] = $flt_b[1][1] = 0.5;
+ } else {
+ $pxl = imagecolorat($source, $x-(3>>1)+$i, $y-(3>>1)+$j);
+
+ $new_a = $pxl >> 24;
+ //$r = (($pxl >> 16) & 0xFF);
+ //$g = (($pxl >> 8) & 0xFF);
+ //$b = ($pxl & 0xFF);
+ $new_r = abs((($cpxl >> 16) & 0xFF) - (($pxl >> 16) & 0xFF));
+ if ($new_r != 0) {
+ $flt_r[$j][$i] = 1/$new_r;
+ } else {
+ $flt_r[$j][$i] = 1;
+ }
+
+ $new_g = abs((($cpxl >> 8) & 0xFF) - (($pxl >> 8) & 0xFF));
+ if ($new_g != 0) {
+ $flt_g[$j][$i] = 1/$new_g;
+ } else {
+ $flt_g[$j][$i] = 1;
+ }
+
+ $new_b = abs(($cpxl & 0xFF) - ($pxl & 0xFF));
+ if ($new_b != 0) {
+ $flt_b[$j][$i] = 1/$new_b;
+ } else {
+ $flt_b[$j][$i] = 1;
+ }
+ }
+
+ $flt_r_sum += $flt_r[$j][$i];
+ $flt_g_sum += $flt_g[$j][$i];
+ $flt_b_sum += $flt_b[$j][$i];
+ }
+ }
+
+ for ($j=0; $j<3; $j++) {
+ for ($i=0; $i<3; $i++) {
+ if ($flt_r_sum != 0) {
+ $flt_r[$j][$i] /= $flt_r_sum;
+ }
+ if ($flt_g_sum != 0) {
+ $flt_g[$j][$i] /= $flt_g_sum;
+ }
+ if ($flt_b_sum != 0) {
+ $flt_b[$j][$i] /= $flt_b_sum;
+ }
+ }
+ }
+
+ $new_r = $new_g = $new_b = 0;
+
+ for ($j=0; $j<3; $j++) {
+ for ($i=0; $i<3; $i++) {
+ $pxl = imagecolorat($source, $x-(3>>1)+$i, $y-(3>>1)+$j);
+ $new_r += (($pxl >> 16) & 0xFF) * $flt_r[$j][$i];
+ $new_g += (($pxl >> 8) & 0xFF) * $flt_g[$j][$i];
+ $new_b += ($pxl & 0xFF) * $flt_b[$j][$i];
+ }
+ }
+
+ $new_r = ($new_r > 255)? 255 : (($new_r < 0)? 0:$new_r);
+ $new_g = ($new_g > 255)? 255 : (($new_g < 0)? 0:$new_g);
+ $new_b = ($new_b > 255)? 255 : (($new_b < 0)? 0:$new_b);
+ $new_pxl = ImageColorAllocateAlpha($source, (int)$new_r, (int)$new_g, (int)$new_b, $new_a);
+ if ($new_pxl == false) {
+ $new_pxl = ImageColorClosestAlpha($source, (int)$new_r, (int)$new_g, (int)$new_b, $new_a);
+ }
+ imagesetpixel($source,$x,$y,$new_pxl);
+ }
+ }
+ return true;
+ break;
+ case 9:
+ return imageconvolution($source, array(array(-1,-1,-1),array(-1,9,-1),array(-1,-1,-1)), 1, 0);
+ break;
+ case 10:
+ return imageconvolution($source, array(array(1,1,1),array(1,$arg1,1),array(1,1,1)), $arg1+8, 0);
+ break;
+ }
+}
+}
+?>