/**
* Creates a transparent (PNG, JPG) image with a <code>aWidth</code> and <code>aHeight</code>.
*
* @param int $aWidth The width of the image
* @param int $aHeight The height of the image
* @return resource
*/
public static function createTransparentImage($width, $height)
{
$imgRes = self::createImage($width, $height);
$color = ColorFactory::white(127);
$transparent = self::allocateColor($imgRes, $color);
imagefill($imgRes, 0, 0, $transparent);
return $imgRes;
}
public function testPngBlue()
{
$original = $this->getOriginalImage(ImageType::PNG);
$res = $this->applyFilter(new ImageFilterColorize(ColorFactory::blue()), $original, __METHOD__);
$this->assertColorQ1($res, 'ff00ff');
$this->assertColorQ2($res, '00ffff');
$this->assertColorQ3($res, self::BLUE);
// unchanged
$this->assertColorQ4($res, self::WHITE);
}
/**
* Creates a new ImageFilterRotate
*
* @param int $aAngle The degrees to rotate the image
* @param String $aBgcolor The background color to apply
*
*/
public function __construct($angle = 90, $aBgcolor = null)
{
$this->angle = Args::int($ange, 'angle')->required()->min(-360)->max(360)->value(function ($val) {
return $val < 0 ? 360 - $val : $val;
});
if ($aBgcolor === null) {
$this->bgColor = ColorFactory::white();
} else {
$this->bgColor = $aBgcolor instanceof Color ? $aBgcolor : new Color($aBgcolor);
}
}
/**
* Creates a transparent (PNG, JPG) image with a <code>aWidth</code> and <code>aHeight</code>.
*
* @param int $aWidth The width of the image
* @param int $aHeight The height of the image
* @return resource
*/
public static function createTransparentImage($width, $height)
{
Args::int($width, 'width')->required()->min(0);
Args::int($height, 'height')->required()->min(0);
$color = ColorFactory::white(127);
$imgRes = imagecreatetruecolor($width, $height);
imageantialias($imgRes, true);
imagealphablending($imgRes, true);
imagesavealpha($imgRes, true);
$transparent = self::allocateColor($imgRes, $color);
imagefill($imgRes, 0, 0, $transparent);
return $imgRes;
}
public function testWhite()
{
$this->assertColor(ColorFactory::white(), "ffffff");
}
