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<?php
namespace Dompdf\Tests\Renderer;
use Dompdf\Dompdf;
use Dompdf\Renderer;
use Dompdf\Tests\TestCase;
class RendererTest extends TestCase
{
/** @var Renderer */
private $renderer;
/** @var \ReflectionMethod */
private $resizeBackgroundImageMethod;
public function setUp() : void
{
$dompdf = new Dompdf();
$this->renderer = new Renderer($dompdf);
$this->resizeBackgroundImageMethod = self::getMethod('_resize_background_image');
}
/**
* @dataProvider providerTestResizeBackgroundImage
*/
public function testResizeBackgroundImage(
$img_width,
$img_height,
$container_width,
$container_height,
$bg_resize,
$new_img_width,
$new_img_height
) {
$result = $this->resizeBackgroundImageMethod->invokeArgs(
$this->renderer,
[
$img_width,
$img_height,
$container_width,
$container_height,
$bg_resize,
96
]
);
$this->assertEquals([$new_img_width, $new_img_height], $result);
}
public function providerTestResizeBackgroundImage()
{
return [
"cover scale up" => [100.0, 200.0, 400.0, 300.0, "cover", 400.0, 800.0],
"contain scale up" => [100.0, 200.0, 300.0, 400.0, "contain", 200.0, 400.0],
"cover scale down" => [500.0, 400.0, 100.0, 300.0, "cover", 375.0, 300.0],
"contain scale down" => [400.0, 500.0, 300.0, 100.0, "contain", 80.0, 100.0],
"auto auto image size passthrough" => [156.0, 180.0, 777.0, 777.0, ["auto", "auto"], 156.0, 180.0],
"percentage resize values" => [200.0, 300.0, 400.0, 500.0, ["80%", "75%"], 320.0, 375.0],
"px or pt resize values (transformed before)" => [
100.0,
100.0,
100.0,
100.0,
[150.0, 350.0],
round(150.0 / 72 * 96),
round(350.0 / 72 * 96)
],
"percentage, px mixed" => [
100.0,
100.0,
100.0,
100.0,
[150.0, "125%"],
round(150.0 / 72 * 96),
125.0
],
"percentage width, auto height" => [100, 200, 300, 400, ["75%", "auto"], 225.0, 450.0],
"auto width, pixel height" => [
100,
200,
300,
400,
["auto", "250"],
round(round(250.0 / 72 * 96) / 2),
round(250.0 / 72 * 96)
]
];
}
protected static function getMethod($name) {
$class = new \ReflectionClass(Renderer::class);
$method = $class->getMethod($name);
$method->setAccessible(true);
return $method;
}
}
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