105 lines
2.1 KiB
Nim
105 lines
2.1 KiB
Nim
import chroma, pixie, pixie/fileformats/png, vmath
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block:
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let mask = newMask(100, 100)
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mask.fill(200)
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mask.applyOpacity(0.5)
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doAssert mask[0, 0] == 100
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doAssert mask[88, 88] == 100
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block:
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let mask = newMask(100, 100)
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mask.fill(200)
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mask.invert()
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doAssert mask[0, 0] == 55
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block:
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let
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mask = newMask(100, 100)
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r = 10.0
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x = 10.0
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y = 10.0
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h = 80.0
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w = 80.0
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var path: Path
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path.moveTo(x + r, y)
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path.arcTo(x + w, y, x + w, y + h, r)
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path.arcTo(x + w, y + h, x, y + h, r)
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path.arcTo(x, y + h, x, y, r)
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path.arcTo(x, y, x + w, y, r)
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mask.fillPath(path)
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let minified = mask.minifyBy2()
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doAssert minified.width == 50 and minified.height == 50
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writeFile("tests/images/masks/maskMinified.png", minified.encodePng())
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block:
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let image = newImage(100, 100)
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image.fill(rgba(255, 100, 100, 255))
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var path: Path
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path.ellipse(image.width / 2, image.height / 2, 25, 25)
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let mask = newMask(image.width, image.height)
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mask.fillPath(path)
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image.draw(mask)
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image.toStraightAlpha()
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image.writeFile("tests/images/masks/circleMask.png")
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block:
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let a = newMask(100, 100)
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a.fill(255)
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var path: Path
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path.ellipse(a.width / 2, a.height / 2, 25, 25)
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let b = newMask(a.width, a.height)
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b.fillPath(path)
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a.draw(b)
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writeFile("tests/images/masks/maskedMask.png", a.encodePng())
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block:
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let a = newMask(100, 100)
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a.fill(255)
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var path: Path
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path.ellipse(a.width / 2, a.height / 2, 25, 25)
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let b = newImage(a.width, a.height)
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b.fillPath(path, rgba(0, 0, 0, 255))
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a.draw(b)
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writeFile("tests/images/masks/imageMaskedMask.png", a.encodePng())
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block:
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let a = newMask(100, 100)
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a.fill(255)
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a.shift(vec2(10, 10))
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writeFile("tests/images/masks/shifted.png", a.encodePng())
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block:
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var path: Path
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path.rect(40, 40, 20, 20)
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let a = newMask(100, 100)
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a.fillPath(path)
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a.spread(10)
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writeFile("tests/images/masks/spread.png", a.encodePng())
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block:
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let mask = newMask(100, 100)
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var path: Path
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path.ellipse(mask.width / 2, mask.height / 2, 25, 25)
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mask.fillPath(path)
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mask.ceil()
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writeFile("tests/images/masks/circleMaskSharpened.png", mask.encodePng())
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