/**
* Applies the filter to the resource
*
* @param ImageResource $aResource
*/
public function applyFilter(ImageResource $aResource)
{
$width = $aResource->getX();
$height = $aResource->getY();
$blockImg = imagecreate(1, 1);
imagecolorallocatealpha($blockImg, $this->blockColor->getRed(), $this->blockColor->getGreen(), $this->blockColor->getBlue(), $this->blockColor->getAlpha());
for ($i = 0; $i <= $this->nrOfBlocks; $i++) {
$xPos = rand(0, $width - $this->blockSize - 1);
$yPos = rand(0, $height - $this->blockSize - 1);
imagecopy($aResource->getResource(), $blockImg, $xPos, $yPos, $xPos, $yPos, $this->blockSize, $this->blockSize);
}
}
/**
* Generate a gradient image
*
* @param int $width The new image width in pixels
* @param int $height The new image height in pixels
* @param int $start The start of the gradient in pixels
* @param Color $src_color The start image color
* @param Color $dest_color The end image color
*
* @return \imagemanipulation\ImageResource
*/
public static function gradient($width, $height, $start, Color $src_color, Color $dest_color)
{
Args::int($width, 'width')->required()->min(1);
Args::int($height, 'height')->required()->min(1);
$res = self::create($width, $height, $src_color);
$img = $res->getResource();
$srcA = $src_color->getAlpha();
$srcR = $src_color->getRed();
$srcG = $src_color->getGreen();
$srcB = $src_color->getBlue();
$destA = $dest_color->getAlpha();
$destR = $dest_color->getRed();
$destG = $dest_color->getGreen();
$destB = $dest_color->getBlue();
$incA = ($destA - $srcA) / ($width - $start);
$incR = ($destR - $srcR) / ($width - $start);
$incG = ($destG - $srcG) / ($width - $start);
$incB = ($destB - $srcB) / ($width - $start);
for ($i = $start; $i < $width; $i++) {
$srcA += $incA;
$srcB += $incB;
$srcG += $incG;
$srcR += $incR;
imagefilledrectangle($img, $i, 0, $i, $height, imagecolorallocatealpha($img, $srcR, $srcG, $srcB, $srcA));
}
return $res;
}
private function checkColorDDD(Color $aColor)
{
$this->assertEquals(221, $aColor->getRed(), 'Checking red');
$this->assertEquals(221, $aColor->getGreen(), 'Checking green');
$this->assertEquals(221, $aColor->getBlue(), 'Checking blue');
$this->assertEquals(127, $aColor->getAlpha(), 'Checking alpha');
$this->assertEquals('dddddd', $aColor->getHexColor(), 'Checking hex color code');
$this->assertEquals(2145246685, $aColor->getColorIndex(), 'Checking color index');
}
/**
* Applies the filter to the resource
*
* @param ImageResource $aResource
*/
public function applyFilter(ImageResource $aResource)
{
$dest = $aResource->getResource();
if (imageistruecolor($dest)) {
imagetruecolortopalette($dest, false, 256);
}
foreach ($this->search as $search) {
$searchRgb = new Color($search);
$index = imagecolorclosest($aResource->getResource(), $searchRgb->getRed(), $searchRgb->getGreen(), $searchRgb->getBlue());
// get White COlor
imagecolorset($aResource->getResource(), $index, $this->replace->getRed(), $this->replace->getGreen(), $this->replace->getBlue());
// SET NEW COLOR
}
$aResource->setResource($dest);
}
/**
* Returns the allocated color
*
* @param RGBColor $aColor
* @return int
*/
public static function allocateColor($aImgRes, Color $aColor)
{
return imagecolorallocatealpha($aImgRes, $aColor->getRed(), $aColor->getGreen(), $aColor->getBlue(), $aColor->getAlpha());
}
