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Fix #394 - zero width mask fill.

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treeform 2022-03-17 07:32:47 -07:00
parent e0ab3829b1
commit 542c8e84fd
2 changed files with 18 additions and 0 deletions
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3
src/pixie/paths.nim
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@ -1679,6 +1679,9 @@ proc fillShapes(
pathHeight = min(mask.height, (bounds.y + bounds.h).int) pathHeight = min(mask.height, (bounds.y + bounds.h).int)
partitioning = partitionSegments(segments, startY, pathHeight) partitioning = partitionSegments(segments, startY, pathHeight)
if pathWidth == 0:
return
var var
coverages = newSeq[uint8](pathWidth) coverages = newSeq[uint8](pathWidth)
hits = newSeq[(float32, int16)](partitioning.maxEntryCount) hits = newSeq[(float32, int16)](partitioning.maxEntryCount)

15
tests/test_paths.nim
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@ -675,3 +675,18 @@ block:
doAssertRaises PixieError: doAssertRaises PixieError:
ctx.strokePolygon(vec2(0.0, 0.0), 0.0, 0) ctx.strokePolygon(vec2(0.0, 0.0), 0.0, 0)
block:
# Test zero width image fill.
let
image = newImage(100, 100)
pathStr = "M0 0 L0 1 L0 0 Z"
color = rgba(255, 0, 0, 255)
image.fillPath(pathStr, color)
block:
# Test zero width mask fill.
let
mask = newMask(100, 100)
pathStr = "M0 0 L0 1 L0 0 Z"
mask.fillPath(pathStr)