pixie/tests/test_masks.nim
2021-02-26 18:46:21 -06:00

158 lines
3.7 KiB
Nim

import pixie, pixie/fileformats/png
block:
let mask = newMask(100, 100)
mask.fill(200)
mask.applyOpacity(0.5)
doAssert mask[0, 0] == 100
doAssert mask[88, 88] == 100
block:
let mask = newMask(100, 100)
mask.fill(200)
mask.invert()
doAssert mask[0, 0] == 55
block:
let
mask = newMask(100, 100)
r = 10.0
x = 10.0
y = 10.0
h = 80.0
w = 80.0
var path: Path
path.moveTo(x + r, y)
path.arcTo(x + w, y, x + w, y + h, r)
path.arcTo(x + w, y + h, x, y + h, r)
path.arcTo(x, y + h, x, y, r)
path.arcTo(x, y, x + w, y, r)
mask.fillPath(path)
let minified = mask.minifyBy2()
doAssert minified.width == 50 and minified.height == 50
writeFile("tests/images/masks/maskMinified.png", minified.encodePng())
block:
let image = newImage(100, 100)
image.fill(rgba(255, 100, 100, 255))
var path: Path
path.ellipse(image.width / 2, image.height / 2, 25, 25)
let mask = newMask(image.width, image.height)
mask.fillPath(path)
image.draw(mask)
image.writeFile("tests/images/masks/circleMask.png")
block:
let a = newMask(100, 100)
a.fill(255)
var path: Path
path.ellipse(a.width / 2, a.height / 2, 25, 25)
let b = newMask(a.width, a.height)
b.fillPath(path)
a.draw(b)
writeFile("tests/images/masks/maskedMask.png", a.encodePng())
block:
let a = newMask(100, 100)
a.fill(255)
var path: Path
path.ellipse(a.width / 2, a.height / 2, 25, 25)
let b = newImage(a.width, a.height)
b.fillPath(path, rgba(0, 0, 0, 255))
a.draw(b)
writeFile("tests/images/masks/imageMaskedMask.png", a.encodePng())
block:
let a = newMask(100, 100)
a.fill(255)
a.shift(vec2(10, 10))
writeFile("tests/images/masks/shifted.png", a.encodePng())
block:
var path: Path
path.rect(40, 40, 20, 20)
let a = newMask(100, 100)
a.fillPath(path)
a.spread(10)
writeFile("tests/images/masks/spread.png", a.encodePng())
block:
let mask = newMask(100, 100)
var path: Path
path.ellipse(mask.width / 2, mask.height / 2, 25, 25)
mask.fillPath(path)
mask.ceil()
writeFile("tests/images/masks/circleMaskSharpened.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.fillRect(rect(vec2(10, 10), vec2(30, 30)))
writeFile("tests/images/masks/drawRect.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.strokeRect(rect(vec2(10, 10), vec2(30, 30)), 10)
writeFile("tests/images/masks/strokeRect.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.fillRoundedRect(rect(vec2(10, 10), vec2(30, 30)), 10)
writeFile("tests/images/masks/drawRoundedRect.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.strokeRoundedRect(rect(vec2(10, 10), vec2(30, 30)), 10, 10)
writeFile("tests/images/masks/strokeRoundedRect.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.strokeSegment(
segment(vec2(10, 10), vec2(90, 90)),
strokeWidth = 10
)
writeFile("tests/images/masks/drawSegment.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.fillEllipse(vec2(50, 50), 20, 10)
writeFile("tests/images/masks/drawEllipse.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.strokeEllipse(vec2(50, 50), 20, 10, 10)
writeFile("tests/images/masks/strokeEllipse.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.fillPolygon(vec2(50, 50), 30, 6)
writeFile("tests/images/masks/drawPolygon.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.strokePolygon(vec2(50, 50), 30, 6, 10)
writeFile("tests/images/masks/strokePolygon.png", mask.encodePng())
block:
let mask = newMask(100, 100)
mask.fillRect(rect(25, 25, 50, 50))
mask.blur(20)
writeFile("tests/images/maskblur20.png", mask.encodePng())