public function testImageColorAt()
{
$image = new Image_Image();
if ($image->gd_support_gif) {
$this->assertEquals($image->openImage(TEST_BASE . DIRECTORY_SEPARATOR . "image.gif"), true);
//8 bit GIF image
$this->assertEquals($image->imageColorAt(3, 3), 255);
//Solid blue
}
$image->destroyImage();
$this->assertNull($image->image);
if ($image->gd_support_png) {
$this->assertEquals($image->openImage(TEST_BASE . DIRECTORY_SEPARATOR . "image.png"), true);
//32 bit PNG image
$this->assertEquals($image->imageColorAt(3, 3), 255);
//Solid blue
}
$image->destroyImage();
$this->assertNull($image->image);
if ($image->gd_support_jpg) {
$this->assertEquals($image->openImage(TEST_BASE . DIRECTORY_SEPARATOR . "image.jpg"), true);
//24 bit JPEG image
$this->assertEquals($image->imageColorAt(3, 3), 4537);
//Solid blue (with jpg compression so it's the wrong color)
}
$image->destroyImage();
$this->assertNull($image->image);
}
