Added configuration for default jpeg quality and png compression in the config file, #107.

webroot/img.php

@@ -649,11 +649,16 @@ verbose("use cache = $useCache");
  * quality, q - set level of quality for jpeg images
  */
 $quality = get(array('quality', 'q'));
+$qualityDefault = getConfig('jpg_quality', null);
 
 is_null($quality)
     or ($quality > 0 and $quality <= 100)
     or errorPage('Quality out of range');
 
+if (is_null($quality) && !is_null($qualityDefault)) {
+    $quality = $qualityDefault;
+}
+
 verbose("quality = $quality");
 
 
@@ -662,12 +667,16 @@ verbose("quality = $quality");
  * compress, co - what strategy to use when compressing png images
  */
 $compress = get(array('compress', 'co'));
-
+$compressDefault = getConfig('png_compression', null);
 
 is_null($compress)
     or ($compress > 0 and $compress <= 9)
     or errorPage('Compress out of range');
 
+if (is_null($compress) && !is_null($compressDefault)) {
+    $compress = $compressDefault;
+}
+
 verbose("compress = $compress");
 
 

webroot/img_config.php

@@ -109,6 +109,19 @@ return array(
 
 
 
+     /**
+      * Change the default values for CImage quality and compression used
+      * when saving images.
+      *
+      * Default value:
+      *  jpg_quality:     null, integer between 0-100
+      *  png_compression: null, integer between 0-9
+      */
+      //'jpg_quality'  => 75,
+      //'png_compression' => 1,
+
+
+
      /**
       * The name representing a dummy image which is automatically created
       * and stored at the defined path. The dummy image can then be used