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import 'dart:io'; | ||
import 'package:image/image.dart'; | ||
import 'package:test/test.dart'; | ||
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import '../_test_util.dart'; | ||
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void main() { | ||
group('Transform', () { | ||
test('resize nearest', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize average', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.average); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_average.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize linear', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.linear); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_linear.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize cubic', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.cubic); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_cubic.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, | ||
width: 640, | ||
height: 640, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i0.width, equals(640)); | ||
expect(i0.height, equals(640)); | ||
File('$testOutputPath/transform/resize_maintainAspect.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect palette', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_8.png').readAsBytesSync())!; | ||
final i0 = resize(img, | ||
width: 640, | ||
height: 640, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i0.width, equals(640)); | ||
expect(i0.height, equals(640)); | ||
File('$testOutputPath/transform/resize_maintainAspect_palette.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect 2', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(255, 0, 0)); | ||
final i1 = resize(i0, | ||
width: 200, | ||
height: 200, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(200)); | ||
expect(i1.height, equals(200)); | ||
File('$testOutputPath/transform/resize_maintainAspect_2.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 3', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 200, | ||
height: 200, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(200)); | ||
expect(i1.height, equals(200)); | ||
File('$testOutputPath/transform/resize_maintainAspect_3.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 4', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(255, 0, 0)); | ||
final i1 = resize(i0, | ||
width: 50, | ||
height: 100, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(50)); | ||
expect(i1.height, equals(100)); | ||
File('$testOutputPath/transform/resize_maintainAspect_4.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 5', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 100, | ||
height: 50, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(100)); | ||
expect(i1.height, equals(50)); | ||
File('$testOutputPath/transform/resize_maintainAspect_5.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 5', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 100, | ||
height: 500, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(100)); | ||
expect(i1.height, equals(500)); | ||
File('$testOutputPath/transform/resize_maintainAspect_5.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 6', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 500, | ||
height: 100, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(500)); | ||
expect(i1.height, equals(100)); | ||
File('$testOutputPath/transform/resize_maintainAspect_6.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize palette', () async { | ||
final img = await decodePngFile('test/_data/png/test.png'); | ||
final i0 = resize(img!, width: 64, interpolation: Interpolation.cubic); | ||
await encodePngFile('$testOutputPath/transform/resize_palette.png', i0); | ||
}); | ||
}); | ||
} | ||
import 'dart:io'; | ||
import 'package:image/image.dart'; | ||
import 'package:test/test.dart'; | ||
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import '../_test_util.dart'; | ||
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void main() { | ||
group('Transform', () { | ||
test('resize nearest', () { | ||
final img = decodePng( | ||
File('C:/Users/brend/Downloads/imagetest_original.png') | ||
.readAsBytesSync())!; | ||
final i0 = copyResize(img, width: 500); | ||
File('$testOutputPath/transform/imagetest_nearest.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
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final i1 = | ||
copyResize(img, width: 500, interpolation: Interpolation.linear); | ||
File('$testOutputPath/transform/imagetest_linear.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
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final i2 = | ||
copyResize(img, width: 500, interpolation: Interpolation.cubic); | ||
File('$testOutputPath/transform/imagetest_cubic.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i2)); | ||
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final i3 = | ||
copyResize(img, width: 500, interpolation: Interpolation.average); | ||
File('$testOutputPath/transform/imagetest_average.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i3)); | ||
}); | ||
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test('resize nearest', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize average', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.average); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_average.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize linear', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.linear); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_linear.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize cubic', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, width: 64, interpolation: Interpolation.cubic); | ||
expect(i0.width, equals(64)); | ||
expect(i0.height, equals(40)); | ||
File('$testOutputPath/transform/resize_cubic.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_24.png').readAsBytesSync())!; | ||
final i0 = resize(img, | ||
width: 640, | ||
height: 640, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i0.width, equals(640)); | ||
expect(i0.height, equals(640)); | ||
File('$testOutputPath/transform/resize_maintainAspect.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect palette', () { | ||
final img = | ||
decodePng(File('test/_data/png/buck_8.png').readAsBytesSync())!; | ||
final i0 = resize(img, | ||
width: 640, | ||
height: 640, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i0.width, equals(640)); | ||
expect(i0.height, equals(640)); | ||
File('$testOutputPath/transform/resize_maintainAspect_palette.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i0)); | ||
}); | ||
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test('resize maintainAspect 2', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(255, 0, 0)); | ||
final i1 = resize(i0, | ||
width: 200, | ||
height: 200, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(200)); | ||
expect(i1.height, equals(200)); | ||
File('$testOutputPath/transform/resize_maintainAspect_2.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 3', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 200, | ||
height: 200, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(200)); | ||
expect(i1.height, equals(200)); | ||
File('$testOutputPath/transform/resize_maintainAspect_3.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 4', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(255, 0, 0)); | ||
final i1 = resize(i0, | ||
width: 50, | ||
height: 100, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(50)); | ||
expect(i1.height, equals(100)); | ||
File('$testOutputPath/transform/resize_maintainAspect_4.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 5', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 100, | ||
height: 50, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(100)); | ||
expect(i1.height, equals(50)); | ||
File('$testOutputPath/transform/resize_maintainAspect_5.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 5', () { | ||
final i0 = Image(width: 50, height: 100)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 100, | ||
height: 500, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(100)); | ||
expect(i1.height, equals(500)); | ||
File('$testOutputPath/transform/resize_maintainAspect_5.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize maintainAspect 6', () { | ||
final i0 = Image(width: 100, height: 50)..clear(ColorRgb8(0, 255, 0)); | ||
final i1 = resize(i0, | ||
width: 500, | ||
height: 100, | ||
maintainAspect: true, | ||
backgroundColor: ColorRgb8(0, 0, 255)); | ||
expect(i1.width, equals(500)); | ||
expect(i1.height, equals(100)); | ||
File('$testOutputPath/transform/resize_maintainAspect_6.png') | ||
..createSync(recursive: true) | ||
..writeAsBytesSync(encodePng(i1)); | ||
}); | ||
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test('resize palette', () async { | ||
final img = await decodePngFile('test/_data/png/test.png'); | ||
final i0 = resize(img!, width: 64, interpolation: Interpolation.cubic); | ||
await encodePngFile('$testOutputPath/transform/resize_palette.png', i0); | ||
}); | ||
}); | ||
} |
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