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clamp paint opacity

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This commit is contained in:
Ryan Oldenburg 2022-04-24 23:37:17 -05:00
parent 5b6a50d0a2
commit 328116893a
2 changed files with 7 additions and 0 deletions
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3
src/pixie/paints.nim
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@ -104,6 +104,7 @@ proc fillGradientLinear(image: Image, paint: Paint) =
if paint.gradientStops.len == 0: if paint.gradientStops.len == 0:
raise newException(PixieError, "Gradient must have at least 1 color stop") raise newException(PixieError, "Gradient must have at least 1 color stop")
paint.opacity = clamp(paint.opacity, 0, 1)
if paint.opacity == 0: if paint.opacity == 0:
return return
@ -177,6 +178,7 @@ proc fillGradientRadial(image: Image, paint: Paint) =
if paint.gradientStops.len == 0: if paint.gradientStops.len == 0:
raise newException(PixieError, "Gradient must have at least 1 color stop") raise newException(PixieError, "Gradient must have at least 1 color stop")
paint.opacity = clamp(paint.opacity, 0, 1)
if paint.opacity == 0: if paint.opacity == 0:
return return
@ -208,6 +210,7 @@ proc fillGradientAngular(image: Image, paint: Paint) =
if paint.gradientStops.len == 0: if paint.gradientStops.len == 0:
raise newException(PixieError, "Gradient must have at least 1 color stop") raise newException(PixieError, "Gradient must have at least 1 color stop")
paint.opacity = clamp(paint.opacity, 0, 1)
if paint.opacity == 0: if paint.opacity == 0:
return return

4
src/pixie/paths.nim
View file

@ -1922,6 +1922,8 @@ proc fillPath*(
windingRule = NonZero windingRule = NonZero
) {.raises: [PixieError].} = ) {.raises: [PixieError].} =
## Fills a path. ## Fills a path.
paint.opacity = clamp(paint.opacity, 0, 1)
if paint.opacity == 0: if paint.opacity == 0:
return return
@ -2000,6 +2002,8 @@ proc strokePath*(
dashes: seq[float32] = @[] dashes: seq[float32] = @[]
) {.raises: [PixieError].} = ) {.raises: [PixieError].} =
## Strokes a path. ## Strokes a path.
paint.opacity = clamp(paint.opacity, 0, 1)
if paint.opacity == 0: if paint.opacity == 0:
return return