123 lines
3 KiB
Nim
123 lines
3 KiB
Nim
import chroma, pixie, pixie/internal, vmath
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block:
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let image = newImage(10, 10)
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image[0, 0] = rgba(255, 255, 255, 255)
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doAssert image[0, 0] == rgba(255, 255, 255, 255)
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block:
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let image = newImage(10, 10)
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image.fill(rgba(255, 0, 0, 255))
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doAssert image[0, 0] == rgba(255, 0, 0, 255)
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block:
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let
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image = newImage(256, 256)
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subImage = image.subImage(0, 0, 128, 128)
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doAssert subImage.width == 128 and subImage.height == 128
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block:
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let image = newImage(10, 10)
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image.fill(rgba(255, 0, 0, 128))
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image.data.toPremultipliedAlpha()
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doAssert image[9, 9] == rgba(128, 0, 0, 128)
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block:
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let image = newImage(10, 10)
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image.fill(rgba(128, 0, 0, 128))
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image.data.toStraightAlpha()
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doAssert image[9, 9] == rgba(254, 0, 0, 128)
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block:
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let image = newImage(100, 100)
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image.fill(rgbx(200, 200, 200, 200))
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image.applyOpacity(0.5)
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doAssert image[0, 0] == rgbx(100, 100, 100, 100)
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doAssert image[88, 88] == rgbx(100, 100, 100, 100)
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block:
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let
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a = newImage(101, 101)
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b = newImage(50, 50)
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a.fill(rgba(255, 0, 0, 255))
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b.fill(rgba(0, 255, 0, 255))
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a.draw(b, vec2(0, 0))
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a.writeFile("tests/images/flipped1.png")
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a.flipVertical()
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a.writeFile("tests/images/flipped2.png")
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a.flipHorizontal()
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a.writeFile("tests/images/flipped3.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(-10, 0, 20, 20)
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b.writeFile("tests/images/superimage1.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(-10, -10, 20, 20)
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b.writeFile("tests/images/superimage2.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(90, 0, 120, 120)
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b.writeFile("tests/images/superimage3.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(90, 90, 120, 120)
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b.writeFile("tests/images/superimage4.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(-10, -10, 120, 120)
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b.writeFile("tests/images/superimage5.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.superImage(45, 45, 20, 20)
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b.writeFile("tests/images/superimage6.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.minifyBy2()
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b.writeFile("tests/images/minifiedBy2.png")
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block:
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let
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a = readImage("tests/images/flipped1.png")
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b = a.minifyBy2(2)
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b.writeFile("tests/images/minifiedBy4.png")
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block:
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let a = newImage(100, 100)
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a.fill(rgbx(50, 100, 150, 200))
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a.invert()
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doAssert a[0, 0] == rgbx(44, 33, 22, 55)
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block:
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let ctx = newContext(100, 100)
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ctx.fillStyle = rgba(255, 255, 255, 255)
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ctx.image.fill(rgba(0, 0, 0, 255))
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ctx.fillRect(rect(25, 25, 50, 50), )
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ctx.image.blur(20)
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ctx.image.writeFile("tests/images/imageblur20.png")
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block:
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let ctx = newContext(100, 100)
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ctx.fillStyle = rgba(255, 255, 255, 255)
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ctx.image.fill(rgba(0, 0, 0, 255))
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ctx.fillRect(rect(25, 25, 50, 50))
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ctx.image.blur(20, rgba(0, 0, 0, 255))
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ctx.image.writeFile("tests/images/imageblur20oob.png")
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