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Optimize & Refactor Crop- and ResizeCanvasModifiers (#1418)

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* Refactor and simplify CropModifier::class
* Refactor and simplify ResizeCanvasModifier::class
This commit is contained in:
Oliver Vogel
2025-01-12 08:24:23 +01:00
committed by GitHub
parent e07119bc97
commit 58f0afd3c7
17 changed files with 220 additions and 274 deletions
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51
tests/Unit/Drivers/Gd/Modifiers/CropModifierTest.php
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@@ -36,4 +36,55 @@ final class CropModifierTest extends GdTestCase
$this->assertColor(0, 0, 255, 255, $image->pickColor(445, 16));
$this->assertTransparency($image->pickColor(460, 16));
}
public function testModifySinglePixel(): void
{
$image = $this->createTestImage(1, 1);
$this->assertEquals(1, $image->width());
$this->assertEquals(1, $image->height());
$image->modify(new CropModifier(3, 3, 0, 0, 'ff0', 'center'));
$this->assertEquals(3, $image->width());
$this->assertEquals(3, $image->height());
$this->assertColor(255, 255, 0, 255, $image->pickColor(0, 0));
$this->assertColor(255, 0, 0, 255, $image->pickColor(1, 1));
$this->assertColor(255, 255, 0, 255, $image->pickColor(2, 2));
}
public function testModifyKeepsResolution(): void
{
$image = $this->readTestImage('300dpi.png');
$this->assertEquals(300, round($image->resolution()->perInch()->x()));
$image = $image->modify(new CropModifier(800, 100, -10, -10, 'ff0000'));
$this->assertEquals(300, round($image->resolution()->perInch()->x()));
}
public function testHalfTransparent(): void
{
$image = $this->createTestImage(16, 16);
$image->modify(new CropModifier(32, 32, 0, 0, '00f5', 'center'));
$this->assertEquals(32, $image->width());
$this->assertEquals(32, $image->height());
$this->assertColor(0, 0, 255, 85, $image->pickColor(5, 5));
$this->assertColor(0, 0, 255, 85, $image->pickColor(16, 5));
$this->assertColor(0, 0, 255, 85, $image->pickColor(30, 5));
$this->assertColor(0, 0, 255, 85, $image->pickColor(5, 16));
$this->assertColor(255, 0, 0, 255, $image->pickColor(16, 16));
$this->assertColor(0, 0, 255, 85, $image->pickColor(30, 16));
$this->assertColor(0, 0, 255, 85, $image->pickColor(5, 30));
$this->assertColor(0, 0, 255, 85, $image->pickColor(16, 30));
$this->assertColor(0, 0, 255, 85, $image->pickColor(30, 30));
}
public function testMergeTransparentBackgrounds(): void
{
$image = $this->createTestImage(1, 1)->fill('f00');
$this->assertEquals(1, $image->width());
$this->assertEquals(1, $image->height());
$image->modify(new CropModifier(3, 3, 0, 0, '00f7', 'center'));
$this->assertEquals(3, $image->width());
$this->assertEquals(3, $image->height());
$this->assertColor(0, 0, 255, 119, $image->pickColor(0, 0));
$this->assertColor(255, 0, 0, 255, $image->pickColor(1, 1));
$this->assertColor(0, 0, 255, 119, $image->pickColor(2, 2));
}
}