This commit is contained in:
Ryan Oldenburg 2022-06-25 22:21:52 -05:00
parent e44211346e
commit 11749b950b
2 changed files with 0 additions and 425 deletions

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@ -1,397 +0,0 @@
import benchy, cairo, chroma, math, pixie, pixie/paths {.all.}, strformat
when defined(amd64) and not defined(pixieNoSimd):
import nimsimd/sse2, pixie/internal
proc doDiff(a, b: Image, name: string) =
let (diffScore, diffImage) = diff(a, b)
echo &"{name} score: {diffScore}"
diffImage.writeFile(&"{name}_diff.png")
when defined(release):
{.push checks: off.}
proc fillMask(
shapes: seq[seq[Vec2]], width, height: int, windingRule = NonZero
): Mask =
result = newMask(width, height)
let
segments = shapes.shapesToSegments()
bounds = computeBounds(segments).snapToPixels()
startY = max(0, bounds.y.int)
pathHeight = min(height, (bounds.y + bounds.h).int)
partitioning = partitionSegments(segments, startY, pathHeight)
width = width.float32
var
hits = newSeq[(float32, int16)](partitioning.maxEntryCount)
numHits: int
aa: bool
for y in startY ..< pathHeight:
computeCoverage(
cast[ptr UncheckedArray[uint8]](result.data[result.dataIndex(0, y)].addr),
hits,
numHits,
aa,
width,
y,
0,
partitioning,
windingRule
)
if not aa:
for (prevAt, at, count) in hits.walk(numHits, windingRule, y, width):
let
startIndex = result.dataIndex(prevAt.int, y)
len = at.int - prevAt.int
fillUnsafe(result.data, 255, startIndex, len)
proc fillMask*(
path: SomePath, width, height: int, windingRule = NonZero
): Mask =
## Returns a new mask with the path filled. This is a faster alternative
## to `newMask` + `fillPath`.
let shapes = parseSomePath(path, true, 1)
shapes.fillMask(width, height, windingRule)
proc fillImage(
shapes: seq[seq[Vec2]],
width, height: int,
color: SomeColor,
windingRule = NonZero
): Image =
result = newImage(width, height)
let
mask = shapes.fillMask(width, height, windingRule)
rgbx = color.rgbx()
var i: int
when defined(amd64) and not defined(pixieNoSimd):
let
colorVec = mm_set1_epi32(cast[int32](rgbx))
oddMask = mm_set1_epi16(cast[int16](0xff00))
div255 = mm_set1_epi16(cast[int16](0x8081))
vec255 = mm_set1_epi32(cast[int32](uint32.high))
vecZero = mm_setzero_si128()
colorVecEven = mm_slli_epi16(colorVec, 8)
colorVecOdd = mm_and_si128(colorVec, oddMask)
iterations = result.data.len div 16
for _ in 0 ..< iterations:
var coverageVec = mm_loadu_si128(mask.data[i].addr)
if mm_movemask_epi8(mm_cmpeq_epi16(coverageVec, vecZero)) != 0xffff:
if mm_movemask_epi8(mm_cmpeq_epi32(coverageVec, vec255)) == 0xffff:
for q in [0, 4, 8, 12]:
mm_storeu_si128(result.data[i + q].addr, colorVec)
else:
for q in [0, 4, 8, 12]:
var unpacked = unpackAlphaValues(coverageVec)
# Shift the coverages from `a` to `g` and `a` for multiplying
unpacked = mm_or_si128(unpacked, mm_srli_epi32(unpacked, 16))
var
sourceEven = mm_mulhi_epu16(colorVecEven, unpacked)
sourceOdd = mm_mulhi_epu16(colorVecOdd, unpacked)
sourceEven = mm_srli_epi16(mm_mulhi_epu16(sourceEven, div255), 7)
sourceOdd = mm_srli_epi16(mm_mulhi_epu16(sourceOdd, div255), 7)
mm_storeu_si128(
result.data[i + q].addr,
mm_or_si128(sourceEven, mm_slli_epi16(sourceOdd, 8))
)
coverageVec = mm_srli_si128(coverageVec, 4)
i += 16
let channels = [rgbx.r.uint32, rgbx.g.uint32, rgbx.b.uint32, rgbx.a.uint32]
for i in i ..< result.data.len:
let coverage = mask.data[i]
if coverage == 255:
result.data[i] = rgbx
elif coverage != 0:
result.data[i].r = ((channels[0] * coverage) div 255).uint8
result.data[i].g = ((channels[1] * coverage) div 255).uint8
result.data[i].b = ((channels[2] * coverage) div 255).uint8
result.data[i].a = ((channels[3] * coverage) div 255).uint8
proc fillImage*(
path: SomePath, width, height: int, color: SomeColor, windingRule = NonZero
): Image =
## Returns a new image with the path filled. This is a faster alternative
## to `newImage` + `fillPath`.
let shapes = parseSomePath(path, false, 1)
shapes.fillImage(width, height, color, windingRule)
proc strokeMask*(
path: SomePath,
width, height: int,
strokeWidth: float32 = 1.0,
lineCap = ButtCap,
lineJoin = MiterJoin,
miterLimit = defaultMiterLimit,
dashes: seq[float32] = @[]
): Mask =
## Returns a new mask with the path stroked. This is a faster alternative
## to `newImage` + `strokePath`.
let strokeShapes = strokeShapes(
parseSomePath(path, false, 1),
strokeWidth,
lineCap,
lineJoin,
miterLimit,
dashes,
1
)
result = strokeShapes.fillMask(width, height, NonZero)
proc strokeImage*(
path: SomePath,
width, height: int,
color: SomeColor,
strokeWidth: float32 = 1.0,
lineCap = ButtCap,
lineJoin = MiterJoin,
miterLimit = defaultMiterLimit,
dashes: seq[float32] = @[]
): Image =
## Returns a new image with the path stroked. This is a faster alternative
## to `newImage` + `strokePath`.
let strokeShapes = strokeShapes(
parseSomePath(path, false, 1),
strokeWidth,
lineCap,
lineJoin,
miterLimit,
dashes,
1
)
result = strokeShapes.fillImage(width, height, color, NonZero)
when defined(release):
{.pop.}
block:
let path = newPath()
path.moveTo(0, 0)
path.lineTo(1920, 0)
path.lineTo(1920, 1080)
path.lineTo(0, 1080)
path.closePath()
let shapes = path.commandsToShapes(true, 1)
let
surface = imageSurfaceCreate(FORMAT_ARGB32, 1920, 1080)
ctx = surface.create()
ctx.setSourceRgba(0, 0, 1, 1)
timeIt "cairo1":
ctx.newPath()
ctx.moveTo(shapes[0][0].x, shapes[0][0].y)
for shape in shapes:
for v in shape:
ctx.lineTo(v.x, v.y)
ctx.fill()
surface.flush()
# discard surface.writeToPng("cairo1.png")
let a = newImage(1920, 1080)
timeIt "pixie1":
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
a.fillPath(p, rgbx(0, 0, 255, 255))
# a.writeFile("pixie1.png")
block:
let path = newPath()
path.moveTo(500, 240)
path.lineTo(1500, 240)
path.lineTo(1920, 600)
path.lineTo(0, 600)
path.closePath()
let shapes = path.commandsToShapes(true, 1)
let
surface = imageSurfaceCreate(FORMAT_ARGB32, 1920, 1080)
ctx = surface.create()
timeIt "cairo2":
ctx.setSourceRgba(1, 1, 1, 1)
let operator = ctx.getOperator()
ctx.setOperator(OperatorSource)
ctx.paint()
ctx.setOperator(operator)
ctx.setSourceRgba(0, 0, 1, 1)
ctx.newPath()
ctx.moveTo(shapes[0][0].x, shapes[0][0].y)
for shape in shapes:
for v in shape:
ctx.lineTo(v.x, v.y)
ctx.fill()
surface.flush()
# discard surface.writeToPng("cairo2.png")
let a = newImage(1920, 1080)
timeIt "pixie2":
a.fill(rgbx(255, 255, 255, 255))
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
a.fillPath(p, rgbx(0, 0, 255, 255))
# a.writeFile("pixie2.png")
block:
let path = parsePath("""
M 100,300
A 200,200 0,0,1 500,300
A 200,200 0,0,1 900,300
Q 900,600 500,900
Q 100,600 100,300 z
""")
let shapes = path.commandsToShapes(true, 1)
let
surface = imageSurfaceCreate(FORMAT_ARGB32, 1000, 1000)
ctx = surface.create()
timeIt "cairo3":
ctx.setSourceRgba(1, 1, 1, 1)
let operator = ctx.getOperator()
ctx.setOperator(OperatorSource)
ctx.paint()
ctx.setOperator(operator)
ctx.setSourceRgba(1, 0, 0, 1)
ctx.newPath()
ctx.moveTo(shapes[0][0].x, shapes[0][0].y)
for shape in shapes:
for v in shape:
ctx.lineTo(v.x, v.y)
ctx.fill()
surface.flush()
# discard surface.writeToPng("cairo3.png")
let a = newImage(1000, 1000)
timeIt "pixie3":
a.fill(rgbx(255, 255, 255, 255))
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
a.fillPath(p, rgbx(255, 0, 0, 255))
# a.writeFile("pixie3.png")
# doDiff(readImage("cairo3.png"), a, "cairo3")
block:
let path = newPath()
path.roundedRect(200, 200, 600, 600, 10, 10, 10, 10)
let shapes = path.commandsToShapes(true, 1)
# let
# surface = imageSurfaceCreate(FORMAT_ARGB32, 1000, 1000)
# ctx = surface.create()
# timeIt "cairo4":
# ctx.setSourceRgba(0, 0, 0, 0)
# let operator = ctx.getOperator()
# ctx.setOperator(OperatorSource)
# ctx.paint()
# ctx.setOperator(operator)
timeIt "cairo4":
let
surface = imageSurfaceCreate(FORMAT_ARGB32, 1000, 1000)
ctx = surface.create()
ctx.setSourceRgba(1, 0, 0, 0.5)
ctx.newPath()
ctx.moveTo(shapes[0][0].x, shapes[0][0].y)
for shape in shapes:
for v in shape:
ctx.lineTo(v.x, v.y)
ctx.fill()
surface.flush()
# discard surface.writeToPng("cairo4.png")
var a: Image
timeIt "pixie4":
a = newImage(1000, 1000)
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
a.fillPath(p, rgbx(127, 0, 0, 127))
# a.writeFile("pixie4.png")
# doDiff(readImage("cairo4.png"), a, "4")
var b: Image
let paint = newPaint(SolidPaint)
paint.color = color(1, 0, 0, 0.5)
paint.blendMode = OverwriteBlend
timeIt "pixie4 overwrite":
b = newImage(1000, 1000)
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
b.fillPath(p, paint)
# b.writeFile("b.png")
timeIt "pixie4 mask":
let mask = newMask(1000, 1000)
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
mask.fillPath(p)
var tmp: Image
timeIt "pixie fillImage":
let p = newPath()
p.moveTo(shapes[0][0])
for shape in shapes:
for v in shape:
p.lineTo(v)
tmp = p.fillImage(1000, 1000, rgbx(127, 0, 0, 127))
# tmp.writeFile("tmp.png")

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import pixie, strformat, svg_cairo
const files = [
"line01",
"polyline01",
"polygon01",
"rect01",
"rect02",
"circle01",
"ellipse01",
"triangle01",
"quad01",
"Ghostscript_Tiger",
"scale",
"miterlimit",
"dashes"
]
proc doDiff(rendered: Image, name: string) =
rendered.writeFile(&"tests/fileformats/svg/rendered/{name}.png")
let
master = readImage(&"tests/fileformats/svg/masters/{name}.png")
(diffScore, diffImage) = diff(master, rendered)
echo &"{name} score: {diffScore}"
diffImage.writeFile(&"tests/fileformats/svg/diffs/{name}.png")
for file in files:
doDiff(decodeSvg(readFile(&"tests/fileformats/svg/{file}.svg")), file)