/**
* @covers ByJG\ImageUtil\ImageUtil::restore
* @todo Implement testRestore().
*/
public function testRestore()
{
$expected = $this->getResourceString($this->object->getImage());
// Do some operactions
$this->object->rotate(30);
$this->object->flip(Flip::BOTH);
$this->object->resizeSquare(40);
$this->assertNotEquals($expected, $this->getResourceString($this->object->getImage()));
$this->object->restore();
$this->assertEquals($expected, $this->getResourceString($this->object->getImage()));
}
/**
* Stamp an image in the current image.
*
* @param ImageUtil|string $srcImage The image path or the image gd resource.
* @param int $position
* @param int $padding
* @param int $oppacity
* @return ImageUtil
* @throws ImageUtilException
*/
public function stampImage($srcImage, $position = StampPosition::BOTTOMRIGHT, $padding = 5, $oppacity = 100)
{
$dstImage = $this->image;
if ($srcImage instanceof ImageUtil) {
$imageUtil = $srcImage;
} else {
$imageUtil = new ImageUtil($srcImage);
}
$watermark = $imageUtil->getImage();
imagealphablending($dstImage, true);
imagealphablending($watermark, true);
$dstWidth = imagesx($dstImage);
$dstHeight = imagesy($dstImage);
$srcWIdth = imagesx($watermark);
$srcHeight = imagesy($watermark);
if (is_array($padding)) {
$padx = $padding[0];
$pady = $padding[1];
} else {
$padx = $pady = $padding;
}
if ($position == StampPosition::RANDOM) {
$position = rand(1, 9);
}
switch ($position) {
case StampPosition::TOPRIGHT:
$dstX = $dstWidth - $srcWIdth - $padx;
$dstY = $pady;
break;
case StampPosition::TOPLEFT:
$dstX = $padx;
$dstY = $pady;
break;
case StampPosition::BOTTOMRIGHT:
$dstX = $dstWidth - $srcWIdth - $padx;
$dstY = $dstHeight - $srcHeight - $pady;
break;
case StampPosition::BOTTOMLEFT:
$dstX = $padx;
$dstY = $dstHeight - $srcHeight - $pady;
break;
case StampPosition::CENTER:
$dstX = $dstWidth / 2 - $srcWIdth / 2;
$dstY = $dstHeight / 2 - $srcHeight / 2;
break;
case StampPosition::TOP:
$dstX = $dstWidth / 2 - $srcWIdth / 2;
$dstY = $pady;
break;
case StampPosition::BOTTOM:
$dstX = $dstWidth / 2 - $srcWIdth / 2;
$dstY = $dstHeight - $srcHeight - $pady;
break;
case StampPosition::LEFT:
$dstX = $padx;
$dstY = $dstHeight / 2 - $srcHeight / 2;
break;
case StampPosition::RIGHT:
$dstX = $dstWidth - $srcWIdth - $padx;
$dstY = $dstHeight / 2 - $srcHeight / 2;
break;
default:
throw new ImageUtilException('Invalid Stamp Position');
}
imagecopymerge($dstImage, $watermark, $dstX, $dstY, 0, 0, $srcWIdth, $srcHeight, $oppacity);
$this->image = $dstImage;
return $this;
}
