Added hook in img,php before CImage is called, #123.

webroot/img.php

@@ -997,6 +997,65 @@ EOD;
 
 
 
+/**
+ * Log verbose details to file
+ */
+if ($verboseFile) {
+    $img->setVerboseToFile("$cachePath/log.txt");
+}
+
+
+
+/**
+ * Hook after img.php configuration and before processing with CImage
+ */
+$hookBeforeCImage = getConfig('hook_before_CImage', null);
+
+if (is_callable($hookBeforeCImage)) {
+    verbose("hookBeforeCImage activated");
+    
+    $allConfig = $hookBeforeCImage($img, array(
+            // Options for calculate dimensions
+            'newWidth'  => $newWidth,
+            'newHeight' => $newHeight,
+            'aspectRatio' => $aspectRatio,
+            'keepRatio' => $keepRatio,
+            'cropToFit' => $cropToFit,
+            'fillToFit' => $fillToFit,
+            'crop'      => $crop,
+            'area'      => $area,
+            'upscale'   => $upscale,
+
+            // Pre-processing, before resizing is done
+            'scale'        => $scale,
+            'rotateBefore' => $rotateBefore,
+            'autoRotate'   => $autoRotate,
+
+            // General processing options
+            'bgColor'    => $bgColor,
+
+            // Post-processing, after resizing is done
+            'palette'   => $palette,
+            'filters'   => $filters,
+            'sharpen'   => $sharpen,
+            'emboss'    => $emboss,
+            'blur'      => $blur,
+            'convolve'  => $convolve,
+            'rotateAfter' => $rotateAfter,
+
+            // Output format
+            'outputFormat' => $outputFormat,
+            'dpr'          => $dpr,
+            
+            // Other
+            'postProcessing' => $postProcessing,
+    ));
+    verbose(print_r($allConfig, 1));
+    extract($allConfig);
+}
+
+
+
 /**
  * Display image if verbose mode
  */
@@ -1034,15 +1093,6 @@ EOD;
 
 
 
-/**
- * Log verbose details to file
- */
-if ($verboseFile) {
-    $img->setVerboseToFile("$cachePath/log.txt");
-}
-
-
-
 /**
  * Load, process and output the image
  */

webroot/img_config.php

@@ -122,6 +122,24 @@ return array(
 
 
 
+      /**
+       * A function (hook) can be called after img.php has processed all
+       * configuration options and before processing the image using CImage.
+       * The function receives the $img variabel and an array with the
+       * majority of current settings.
+       *
+       * Default value:
+       *  hook_before_CImage:     null
+       */
+       /*'hook_before_CImage' => function (CImage $img, Array $allConfig) {
+           if ($allConfig['newWidth'] > 10) {
+               $allConfig['newWidth'] *= 2;
+           }
+           return $allConfig;
+       },*/
+
+
+
      /**
       * The name representing a dummy image which is automatically created
       * and stored at the defined path. The dummy image can then be used