prepare to tag v0.7.16

webroot/imgd.php

@@ -38,7 +38,7 @@ $config = array(
 
 
 // Version of cimage and img.php
-define("CIMAGE_VERSION", "v0.7.15 (2016-08-09)");
+define("CIMAGE_VERSION", "v0.7.16 (2016-08-09)");
 
 // For CRemoteImage
 define("CIMAGE_USER_AGENT", "CImage/" . CIMAGE_VERSION);
@@ -217,6 +217,27 @@ function verbose($msg = null)
 
 
 
+/**
+ * Log when verbose mode, when used without argument it returns the result.
+ *
+ * @param string $msg to log.
+ *
+ * @return void or array.
+ */
+function checkExternalCommand($what, $enabled, $commandString)
+{
+    $no = $enabled ? null : 'NOT';
+    $text = "Post processing $what is $no enabled.<br>";
+
+    list($command) = explode(" ", $commandString);
+    $no = is_executable($command) ? null : 'NOT';
+    $text .= "The command for $what is $no an executable.<br>";
+
+    return $text;
+}
+
+
+
 /**
  * Get a image from a remote server using HTTP GET and If-Modified-Since.
  *
@@ -1260,6 +1281,13 @@ class CImage
 
 
 
+    /**
+     * Do lossy output using external postprocessing tools.
+     */
+    private $lossy = null;
+
+
+
     /**
      * Verbose mode to print out a trace and display the created image
      */
@@ -1295,7 +1323,15 @@ class CImage
 
 
     /**
-     * Path to command for filter optimize, for example optipng or null.
+     * Path to command for lossy optimize, for example pngquant.
+     */
+    private $pngLossy;
+    private $pngLossyCmd;
+
+
+
+    /**
+     * Path to command for filter optimize, for example optipng.
      */
     private $pngFilter;
     private $pngFilterCmd;
@@ -1303,7 +1339,7 @@ class CImage
 
 
     /**
-     * Path to command for deflate optimize, for example pngout or null.
+     * Path to command for deflate optimize, for example pngout.
      */
     private $pngDeflate;
     private $pngDeflateCmd;
@@ -1932,6 +1968,9 @@ class CImage
             // Output format
             'outputFormat' => null,
             'dpr'          => 1,
+
+            // Postprocessing using external tools
+            'lossy' => null,
         );
 
         // Convert crop settings from string to array
@@ -3450,6 +3489,14 @@ class CImage
             $this->jpegOptimizeCmd = null;
         }
 
+        if (array_key_exists("png_lossy", $options) 
+            && $options['png_lossy'] !== false) {
+            $this->pngLossy = $options['png_lossy'];
+            $this->pngLossyCmd = $options['png_lossy_cmd'];
+        } else {
+            $this->pngLossyCmd = null;
+        }
+
         if (isset($options['png_filter']) && $options['png_filter']) {
             $this->pngFilterCmd = $options['png_filter_cmd'];
         } else {
@@ -3551,6 +3598,24 @@ class CImage
                 imagesavealpha($this->image, true);
                 imagepng($this->image, $this->cacheFileName, $this->compress);
 
+                // Use external program to process lossy PNG, if defined
+                $lossyEnabled = $this->pngLossy === true;
+                $lossySoftEnabled = $this->pngLossy === null;
+                $lossyActiveEnabled = $this->lossy === true;
+                if ($lossyEnabled || ($lossySoftEnabled && $lossyActiveEnabled)) {
+                    if ($this->verbose) {
+                        clearstatcache();
+                        $this->log("Lossy enabled: $lossyEnabled");
+                        $this->log("Lossy soft enabled: $lossySoftEnabled");
+                        $this->Log("Filesize before lossy optimize: " . filesize($this->cacheFileName) . " bytes.");
+                    }
+                    $res = array();
+                    $cmd = $this->pngLossyCmd . " $this->cacheFileName $this->cacheFileName";
+                    exec($cmd, $res);
+                    $this->Log($cmd);
+                    $this->Log($res);
+                }
+
                 // Use external program to filter PNG, if defined
                 if ($this->pngFilterCmd) {
                     if ($this->verbose) {
@@ -5183,6 +5248,9 @@ verbose("upscale = $upscale");
  * Get details for post processing
  */
 $postProcessing = getConfig('postprocessing', array(
+    'png_lossy'        => false,
+    'png_lossy_cmd'    => '/usr/local/bin/pngquant --force --output',
+
     'png_filter'        => false,
     'png_filter_cmd'    => '/usr/local/bin/optipng -q',
 
@@ -5195,6 +5263,15 @@ $postProcessing = getConfig('postprocessing', array(
 
 
 
+/**
+ * lossy - Do lossy postprocessing, if available.
+ */
+$lossy = getDefined(array('lossy'), true, null);
+
+verbose("lossy = $lossy");
+
+
+
 /**
  * alias - Save resulting image to another alias name.
  * Password always apply, must be defined.
@@ -5313,7 +5390,7 @@ if ($status) {
     $res = $cache->getStatusOfSubdir("srgb");
     $text .= "Cache srgb $res\n";
 
-    $res = $cache->getStatusOfSubdir($fasttrackCache);
+    $res = $cache->getStatusOfSubdir($fastTrackCache);
     $text .= "Cache fasttrack $res\n";
 
     $text .= "Alias path writable = " . is_writable($aliasPath) . "\n";
@@ -5330,6 +5407,11 @@ if ($status) {
     $no = extension_loaded('gd') ? null : 'NOT';
     $text .= "Extension gd is $no loaded.<br>";
 
+    $text .= checkExternalCommand("PNG LOSSY", $postProcessing["png_lossy"], $postProcessing["png_lossy_cmd"]);
+    $text .= checkExternalCommand("PNG FILTER", $postProcessing["png_filter"], $postProcessing["png_filter_cmd"]);
+    $text .= checkExternalCommand("PNG DEFLATE", $postProcessing["png_deflate"], $postProcessing["png_deflate_cmd"]);
+    $text .= checkExternalCommand("JPEG OPTIMIZE", $postProcessing["jpeg_optimize"], $postProcessing["jpeg_optimize_cmd"]);
+
     if (!$no) {
         $text .= print_r(gd_info(), 1);
     }
@@ -5398,6 +5480,7 @@ if (is_callable($hookBeforeCImage)) {
 
             // Other
             'postProcessing' => $postProcessing,
+            'lossy' => $lossy,
     ));
     verbose(print_r($allConfig, 1));
     extract($allConfig);
@@ -5482,6 +5565,9 @@ $img->log("Incoming arguments: " . print_r(verbose(), 1))
             // Output format
             'outputFormat' => $outputFormat,
             'dpr'          => $dpr,
+
+            // Postprocessing using external tools
+            'lossy' => $lossy,
         )
     )
     ->loadImageDetails()

webroot/imgp.php

@@ -38,7 +38,7 @@ $config = array(
 
 
 // Version of cimage and img.php
-define("CIMAGE_VERSION", "v0.7.15 (2016-08-09)");
+define("CIMAGE_VERSION", "v0.7.16 (2016-08-09)");
 
 // For CRemoteImage
 define("CIMAGE_USER_AGENT", "CImage/" . CIMAGE_VERSION);
@@ -217,6 +217,27 @@ function verbose($msg = null)
 
 
 
+/**
+ * Log when verbose mode, when used without argument it returns the result.
+ *
+ * @param string $msg to log.
+ *
+ * @return void or array.
+ */
+function checkExternalCommand($what, $enabled, $commandString)
+{
+    $no = $enabled ? null : 'NOT';
+    $text = "Post processing $what is $no enabled.<br>";
+
+    list($command) = explode(" ", $commandString);
+    $no = is_executable($command) ? null : 'NOT';
+    $text .= "The command for $what is $no an executable.<br>";
+
+    return $text;
+}
+
+
+
 /**
  * Get a image from a remote server using HTTP GET and If-Modified-Since.
  *
@@ -1260,6 +1281,13 @@ class CImage
 
 
 
+    /**
+     * Do lossy output using external postprocessing tools.
+     */
+    private $lossy = null;
+
+
+
     /**
      * Verbose mode to print out a trace and display the created image
      */
@@ -1295,7 +1323,15 @@ class CImage
 
 
     /**
-     * Path to command for filter optimize, for example optipng or null.
+     * Path to command for lossy optimize, for example pngquant.
+     */
+    private $pngLossy;
+    private $pngLossyCmd;
+
+
+
+    /**
+     * Path to command for filter optimize, for example optipng.
      */
     private $pngFilter;
     private $pngFilterCmd;
@@ -1303,7 +1339,7 @@ class CImage
 
 
     /**
-     * Path to command for deflate optimize, for example pngout or null.
+     * Path to command for deflate optimize, for example pngout.
      */
     private $pngDeflate;
     private $pngDeflateCmd;
@@ -1932,6 +1968,9 @@ class CImage
             // Output format
             'outputFormat' => null,
             'dpr'          => 1,
+
+            // Postprocessing using external tools
+            'lossy' => null,
         );
 
         // Convert crop settings from string to array
@@ -3450,6 +3489,14 @@ class CImage
             $this->jpegOptimizeCmd = null;
         }
 
+        if (array_key_exists("png_lossy", $options) 
+            && $options['png_lossy'] !== false) {
+            $this->pngLossy = $options['png_lossy'];
+            $this->pngLossyCmd = $options['png_lossy_cmd'];
+        } else {
+            $this->pngLossyCmd = null;
+        }
+
         if (isset($options['png_filter']) && $options['png_filter']) {
             $this->pngFilterCmd = $options['png_filter_cmd'];
         } else {
@@ -3551,6 +3598,24 @@ class CImage
                 imagesavealpha($this->image, true);
                 imagepng($this->image, $this->cacheFileName, $this->compress);
 
+                // Use external program to process lossy PNG, if defined
+                $lossyEnabled = $this->pngLossy === true;
+                $lossySoftEnabled = $this->pngLossy === null;
+                $lossyActiveEnabled = $this->lossy === true;
+                if ($lossyEnabled || ($lossySoftEnabled && $lossyActiveEnabled)) {
+                    if ($this->verbose) {
+                        clearstatcache();
+                        $this->log("Lossy enabled: $lossyEnabled");
+                        $this->log("Lossy soft enabled: $lossySoftEnabled");
+                        $this->Log("Filesize before lossy optimize: " . filesize($this->cacheFileName) . " bytes.");
+                    }
+                    $res = array();
+                    $cmd = $this->pngLossyCmd . " $this->cacheFileName $this->cacheFileName";
+                    exec($cmd, $res);
+                    $this->Log($cmd);
+                    $this->Log($res);
+                }
+
                 // Use external program to filter PNG, if defined
                 if ($this->pngFilterCmd) {
                     if ($this->verbose) {
@@ -5183,6 +5248,9 @@ verbose("upscale = $upscale");
  * Get details for post processing
  */
 $postProcessing = getConfig('postprocessing', array(
+    'png_lossy'        => false,
+    'png_lossy_cmd'    => '/usr/local/bin/pngquant --force --output',
+
     'png_filter'        => false,
     'png_filter_cmd'    => '/usr/local/bin/optipng -q',
 
@@ -5195,6 +5263,15 @@ $postProcessing = getConfig('postprocessing', array(
 
 
 
+/**
+ * lossy - Do lossy postprocessing, if available.
+ */
+$lossy = getDefined(array('lossy'), true, null);
+
+verbose("lossy = $lossy");
+
+
+
 /**
  * alias - Save resulting image to another alias name.
  * Password always apply, must be defined.
@@ -5313,7 +5390,7 @@ if ($status) {
     $res = $cache->getStatusOfSubdir("srgb");
     $text .= "Cache srgb $res\n";
 
-    $res = $cache->getStatusOfSubdir($fasttrackCache);
+    $res = $cache->getStatusOfSubdir($fastTrackCache);
     $text .= "Cache fasttrack $res\n";
 
     $text .= "Alias path writable = " . is_writable($aliasPath) . "\n";
@@ -5330,6 +5407,11 @@ if ($status) {
     $no = extension_loaded('gd') ? null : 'NOT';
     $text .= "Extension gd is $no loaded.<br>";
 
+    $text .= checkExternalCommand("PNG LOSSY", $postProcessing["png_lossy"], $postProcessing["png_lossy_cmd"]);
+    $text .= checkExternalCommand("PNG FILTER", $postProcessing["png_filter"], $postProcessing["png_filter_cmd"]);
+    $text .= checkExternalCommand("PNG DEFLATE", $postProcessing["png_deflate"], $postProcessing["png_deflate_cmd"]);
+    $text .= checkExternalCommand("JPEG OPTIMIZE", $postProcessing["jpeg_optimize"], $postProcessing["jpeg_optimize_cmd"]);
+
     if (!$no) {
         $text .= print_r(gd_info(), 1);
     }
@@ -5398,6 +5480,7 @@ if (is_callable($hookBeforeCImage)) {
 
             // Other
             'postProcessing' => $postProcessing,
+            'lossy' => $lossy,
     ));
     verbose(print_r($allConfig, 1));
     extract($allConfig);
@@ -5482,6 +5565,9 @@ $img->log("Incoming arguments: " . print_r(verbose(), 1))
             // Output format
             'outputFormat' => $outputFormat,
             'dpr'          => $dpr,
+
+            // Postprocessing using external tools
+            'lossy' => $lossy,
         )
     )
     ->loadImageDetails()