/**
* @param resource $resource
* @param resource $controlResource
* @return resource
*/
public function getOptimizedGdResource($resource, $controlResource)
{
if (imageistruecolor($resource)) {
$resource = $this->rh->getPalettizedGdResource($resource);
}
$totalColors = imagecolorstotal($resource);
$trans = imagecolortransparent($resource);
$reds = new \SplFixedArray($totalColors);
$greens = new \SplFixedArray($totalColors);
$blues = new \SplFixedArray($totalColors);
$i = 0;
do {
$colors = imagecolorsforindex($resource, $i);
$reds[$i] = $colors['red'];
$greens[$i] = $colors['green'];
$blues[$i] = $colors['blue'];
} while (++$i < $totalColors);
if (imageistruecolor($controlResource)) {
$controlResource = $this->rh->getPalettizedGdResource($controlResource);
}
$controlTotalColors = imagecolorstotal($controlResource);
$controlTrans = imagecolortransparent($controlResource);
$controlReds = new \SplFixedArray($controlTotalColors);
$controlGreens = new \SplFixedArray($controlTotalColors);
$controlBlues = new \SplFixedArray($controlTotalColors);
$i = 0;
do {
$colors = imagecolorsforindex($controlResource, $i);
$controlReds[$i] = $colors['red'];
$controlGreens[$i] = $colors['green'];
$controlBlues[$i] = $colors['blue'];
} while (++$i < $controlTotalColors);
$width = imagesx($resource);
$height = imagesy($resource);
$y = 0;
do {
$x = 0;
do {
$index = imagecolorat($resource, $x, $y);
$red = $reds[$index];
$green = $greens[$index];
$blue = $blues[$index];
$controlIndex = imagecolorat($controlResource, $x, $y);
$controlRed = $controlReds[$controlIndex];
$controlGreen = $controlGreens[$controlIndex];
$controlBlue = $controlBlues[$controlIndex];
if (($red & 0b11111100) === ($controlRed & 0b11111100) && ($green & 0b11111100) === ($controlGreen & 0b11111100) && ($blue & 0b11111100) === ($controlBlue & 0b11111100)) {
imagesetpixel($resource, $x, $y, $trans);
}
} while (++$x !== $width);
} while (++$y !== $height);
return $resource;
}
/**
* @param LayerInterface[] $layers
* @param mixed[] $options
*/
protected function initContents(array $layers, $options)
{
$format = $layers[0]->get('image.format');
if ($layers[0]->has('image.imc_uri')) {
$uri = $layers[0]->get('image.imc_uri');
$resource = $this->rh->getGdResourceFromStream($format, $uri, true);
imagedestroy($resource);
$contents = file_get_contents($uri);
} else {
$contents = $layers[0]->get('image.contents');
$resource = $this->rh->getGdResourceFromContents($format, $contents, true);
imagedestroy($resource);
}
$layers[0]->set('final.contents', $contents);
}
/**
* @param PhpGdEvent
*/
public function initFinalDimensions(PhpGdEvent $event)
{
$layers = $event->getLayers();
foreach ($layers as $layer) {
if (!$layer instanceof ImageAwareLayerInterface) {
continue;
}
$width = $layer->get('image.width');
$height = $layer->get('image.height');
if ($layer->has('image.resize.width')) {
$args = $this->rh->getResizeArguments($width, $height, $layer->get('image.resize.width'), $layer->get('image.resize.height'), $layer->get('image.resize.option'));
if ($args) {
$width = $args['dst_w'];
$height = $args['dst_h'];
}
}
$layer->add(['final.width' => $width, 'final.height' => $height]);
}
}
/**
* @param string $contents
* @return resource
*/
protected function getGifResourceFromContents($contents)
{
return $this->rh->getGdResourceFromContents(PhpGdContext::FORMAT_GIF, $contents, true);
}
/**
* @param TextLayerInterface $layer
*/
protected function initTextLayerResource(TextLayerInterface $layer)
{
$resource = $this->rh->getTextGdResource($layer->get('text.font.filename'), $layer->get('text.font.size'), $layer->get('text.font.rgb_color'), $layer->get('text.label'), $layer->get('text.line_spacing'), $layer->get('text.angle'), $layer->get('text.box.paddings'), $layer->get('text.box.rgb_color'));
$layer->set('final.resource', $resource);
}