/**
  * Add a certain image to the classification. 
  * 
  * @param wsgen\MetaImage $image 
  */
 public function classify(wsgen\MetaImage $image)
 {
     $this->logger->log(E_NOTICE, "Classifying image '%s'.", $image->getFilename());
     $colortable = array();
     list($width, $height) = $image->getResolution();
     for ($y = 0; $y < $height; ++$y) {
         for ($x = 0; $x < $width; ++$x) {
             $color = $image->getColorAt($x, $y);
             if ($color[3] > 127) {
                 // Skip all transparent pixels with a transparency of more
                 // than 50%
                 continue;
             }
             if (($matchIndex = $this->findMatch($color, $colortable, self::INTER_COLOR_THRESHOLD)) === false) {
                 $colortable[] = array('color' => $color, 'matches' => 1);
             } else {
                 ++$colortable[$matchIndex]['matches'];
                 $this->updateMatch($matchIndex, $colortable, $color);
             }
         }
     }
     usort($colortable, function ($a, $b) {
         return $b['matches'] - $a['matches'];
     });
     $primaryColor = $colortable[0]['color'];
     // Search for an already defined color in the classification, which
     // matches the primary color of our image.
     if (($matchIndex = $this->findMatch($primaryColor, $this->classification, self::INTER_PICTURE_THRESHOLD)) === false) {
         $this->classification[] = array('color' => $primaryColor, 'images' => array($image));
     } else {
         $this->classification[$matchIndex]['images'][] = $image;
         $this->updateMatch($matchIndex, $this->classification, $primaryColor);
     }
 }
 /**
  * Layout the given image.
  * 
  * This method may be called more than once with the same imagepath. This 
  * layout manager takes care of this to ensure every image is only rendered
  * once.
  * 
  * @param wsgen\MetaImage $image 
  * @return void
  */
 public function layoutImage(wsgen\MetaImage $image)
 {
     if (array_key_exists($image->getFilename(), $this->layout)) {
         // The image has already been processed.
         return;
     }
     $this->logger->log(E_NOTICE, "Adding image '%s' to layout.", basename($image->getFilename()));
     $resolution = $image->getResolution();
     $filename = $image->getFilename();
     $this->layout[$filename] = array(array(0, $this->currentY), $resolution);
     $this->images[$filename] = $image;
     $this->width = max($this->width, $resolution[0]);
     $this->height += $resolution[1];
     $this->currentY += $resolution[1];
 }
Exemplo n.º 3
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 /**
  * Construct the object taking the image to provide information for as
  * argument.
  * 
  * @param string $filename 
  */
 public function __construct($filename)
 {
     parent::__construct($filename);
     $this->resource = $this->loadImage($filename);
 }
 public function __construct($filename, $resolution)
 {
     parent::__construct($filename);
     $this->resource = imagecreatefrompng($filename);
     $this->resolution = $resolution;
 }
Exemplo n.º 5
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 /**
  * Draw an image to the provided coordinates. 
  *
  * @param wsgen\MetaImage\GD $image 
  * @param int $x 
  * @param int $y 
  * @throws RuntimeException if the image could not be drawn.
  */
 public function drawImage(wsgen\MetaImage $image, $x, $y)
 {
     $this->logger->log(E_NOTICE, "Drawing image '%s' to sprite.", basename($image->getFilename()));
     $srcDimensions = $image->getResolution();
     imagecopy($this->image, $image->getResource(), $x, $y, 0, 0, $srcDimensions[0], $srcDimensions[1]);
 }