FINAL suepr merge step : added all modules to this super repos

2015-04-19 16:46:59 +02:00
parent 7b6bd36fea df0ec71ac7
commit f2b8ace9b7
7585 changed files with 1723356 additions and 18 deletions
--- a/sites/all/modules/contrib/files/imagecache_actions/watermark.inc
+++ b/sites/all/modules/contrib/files/imagecache_actions/watermark.inc
@@ -0,0 +1,86 @@
+<?php
+// $ID $
+/**
+ * @file routine for image layering
+ * 
+ */
+
+
+/****************************************************************************************************************************************/
+/**
+ * Note that the below code is laboriously slow - it takes and compares every pixel of the two inputs
+ * and calculates a new valus for each of them. this is only a fallback because reliable image toolkit 
+ * transparencies was buggy on certain platforms :(
+ */
+
+//Niko (http://www.codeguru.com.ua)
+class watermark {
+  function create_watermark($main_img_obj, $watermark_img_obj, $x_ins, $y_ins, $alpha_level = 100) {
+    $alpha_level /= 100;
+    # Should this change to match both images?
+    #$main_img_obj_w = max(imagesx($main_img_obj), imagesx($watermark_img_obj));
+    #$main_img_obj_h = max(imagesy($main_img_obj), imagesy($watermark_img_obj));
+    $main_img_obj_w = imagesx($main_img_obj);
+    $main_img_obj_h = imagesy($main_img_obj);
+    $watermark_img_obj_w = imagesx($watermark_img_obj);
+    $watermark_img_obj_h = imagesy($watermark_img_obj);
+
+    $main_img_obj_min_x = $x_ins;
+    $main_img_obj_min_y = $y_ins;
+
+    $return_img = imagecreatetruecolor($main_img_obj_w, $main_img_obj_h);
+    imagesavealpha($return_img, true);
+    imagealphablending($return_img, false);
+    
+
+    for ($y = 0; $y < $main_img_obj_h; $y++) {
+      for ($x = 0; $x < $main_img_obj_w; $x++) {
+
+        $return_color = NULL;
+
+        $watermark_x = $x - $main_img_obj_min_x;
+        $watermark_y = $y - $main_img_obj_min_y;
+
+        $main_rgb = imagecolorsforindex($main_img_obj, imagecolorat($main_img_obj, $x, $y));
+
+        if ($watermark_x >= 0 && $watermark_x < $watermark_img_obj_w && $watermark_y >= 0 && $watermark_y < $watermark_img_obj_h) {
+          $watermark_rbg = imagecolorsforindex($watermark_img_obj, imagecolorat($watermark_img_obj, $watermark_x, $watermark_y));
+
+          $watermark_alpha = round(((127 - $watermark_rbg['alpha']) / 127), 2);
+          $watermark_alpha = $watermark_alpha * $alpha_level;
+
+          $avg_red = $this->_get_ave_color($main_rgb['red'], $watermark_rbg['red'], $watermark_alpha);
+          $avg_green = $this->_get_ave_color($main_rgb['green'], $watermark_rbg['green'], $watermark_alpha);
+          $avg_blue = $this->_get_ave_color($main_rgb['blue'], $watermark_rbg['blue'], $watermark_alpha);
+          
+          // TODO figure out the maths for merging two transparent images
+          $new_alpha = min($watermark_rbg['alpha'], $main_rgb['alpha']);
+          #$new_alpha = $main_rgb['alpha'];
+          #$new_alpha = 0;
+
+          $return_color = $this->_get_image_color($return_img, $avg_red, $avg_green, $avg_blue, $new_alpha);
+        }
+        else {
+          $return_color = imagecolorat($main_img_obj, $x, $y);
+        }
+        imagesetpixel($return_img, $x, $y, $return_color);
+      }
+    }
+    return $return_img;
+  }
+
+  function _get_ave_color($color_a, $color_b, $alpha_level) {
+    return round((($color_a * (1 - $alpha_level)) + ($color_b * $alpha_level)));
+  }
+
+  function _get_image_color($im, $r, $g, $b, $alpha) {
+    $c = imagecolorexactalpha($im, $r, $g, $b, $alpha);
+    if ($c != -1)
+      return $c;
+    $c = imagecolorallocate($im, $r, $g, $b, $alpha);
+    if ($c != -1)
+      return $c;
+    return imagecolorclosest($im, $r, $g, $b, $alpha);
+  }
+}
+/****************************************************************************************************************************************/