pixie/tests/test_paths.nim
2020-12-02 23:35:23 -08:00

155 lines
3.3 KiB
Nim

import pixie, chroma
block:
let pathStr = """
m 1 2
l 3 4
h 5
v 6
c 0 0 0 0 0 0
q 1 1 1 1
t 2 2
a 7 7 7 7 7 7 7
z
"""
let path = parsePath(pathStr)
doAssert $path == "m1 2 l3 4 h5 v6 c0 0 0 0 0 0 q1 1 1 1 t2 2 a7 7 7 7 7 7 7 Z"
block:
let pathStr = """
M 1 2
L 3 4
H 5
V 6
C 0 0 0 0 0 0
Q 1 1 1 1
T 2 2
A 7 7 7 7 7 7 7
z
"""
let path = parsePath(pathStr)
doAssert $path == "M1 2 L3 4 H5 V6 C0 0 0 0 0 0 Q1 1 1 1 T2 2 A7 7 7 7 7 7 7 Z"
block:
let pathStr = "M 0.1E-10 0.1e10 L2+2 L3-3 L0.1E+10-1"
let path = parsePath(pathStr)
block:
let image = newImage(100, 100)
let pathStr = "M 10 10 L 90 90"
let color = rgba(255, 0, 0, 255)
image.strokePath(pathStr, color, 10)
image.writeFile("tests/images/pathStroke1.png")
block:
let image = newImage(100, 100)
let pathStr = "M 10 10 L 50 60 90 90"
let color = rgba(255, 0, 0, 255)
image.strokePath(pathStr, color, 10)
image.writeFile("tests/images/pathStroke2.png")
block:
let image = newImage(100, 100)
image.strokePath(
"M 15 10 L 30 90 60 30 90 90",
rgba(255, 255, 0, 255),
strokeWidth = 10
)
image.writeFile("tests/images/pathStroke3.png")
block:
let image = newImage(100, 100)
let pathStr = "M 10 10 H 90 V 90 H 10 L 10 10"
let color = rgba(0, 0, 0, 255)
image.fillPath(pathStr, color)
image.writeFile("tests/images/pathBlackRectangle.png")
block:
let image = newImage(100, 100)
image.fillPath(
"M 10 10 H 90 V 90 H 10 L 10 10",
rgba(255, 255, 0, 255)
)
image.writeFile("tests/images/pathYellowRectangle.png")
block:
let image = newImage(100, 100)
var path = newPath()
path.moveTo(10, 10)
path.lineTo(10, 90)
path.lineTo(90, 90)
path.lineTo(90, 10)
path.lineTo(10, 10)
image.fillPath(
path,
rgba(255, 0, 0, 255)
)
image.writeFile("tests/images/pathRedRectangle.png")
block:
let image = newImage(100, 100)
image.fillPath(
"M30 60 A 20 20 0 0 0 90 60 L 30 60",
parseHtmlColor("#FC427B").rgba
)
image.writeFile("tests/images/pathBottomArc.png")
block:
let image = newImage(100, 100)
image.fillPath(
"""
M 10,30
A 20,20 0,0,1 50,30
A 20,20 0,0,1 90,30
Q 90,60 50,90
Q 10,60 10,30 z
""",
parseHtmlColor("#FC427B").rgba
)
image.writeFile("tests/images/pathHeart.png")
block:
let image = newImage(100, 100)
image.fillPath(
"M 20 50 A 20 10 45 1 1 80 50 L 20 50",
parseHtmlColor("#FC427B").rgba
)
image.writeFile("tests/images/pathRotatedArc.png")
block:
let image = newImage(100, 100)
image.fillPath(
"M 0 50 A 50 50 0 0 0 50 0 L 50 50 L 0 50",
parseHtmlColor("#FC427B").rgba
)
image.writeFile("tests/images/pathInvertedCornerArc.png")
block:
let image = newImage(100, 100)
image.fillPath(
"M 0 50 A 50 50 0 0 1 50 0 L 50 50 L 0 50",
parseHtmlColor("#FC427B").rgba
)
image.writeFile("tests/images/pathCornerArc.png")
block:
let image = newImage(100, 100)
var path = newPath()
let
r = 10.0
x = 10.0
y = 10.0
h = 80.0
w = 80.0
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)
image.fillPath(
path,
rgba(255, 0, 0, 255)
)
image.writeFile("tests/images/pathRoundRect.png")