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use memset

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This commit is contained in:
Ryan Oldenburg 2020-12-03 21:49:11 -06:00
parent fce9f12147
commit 9fbd37bb53
2 changed files with 5 additions and 15 deletions
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8
src/pixie/images.nim
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@ -70,9 +70,11 @@ proc `[]=`*(image: Image, x, y: int, rgba: ColorRGBA) {.inline.} =
proc fill*(image: Image, rgba: ColorRgba) =
## Fills the image with a solid color.
nimSetMem(image.data[0].addr, cast[int32](rgba), image.data.len)
# for c in image.data.mitems:
# c = rgba
if rgba.r == rgba.g and rgba.r == rgba.b and rgba.r == rgba.a:
nimSetMem(image.data[0].addr, rgba.r.cint, image.data.len * 4)
else:
for c in image.data.mitems:
c = rgba
proc invert*(image: Image) =
## Inverts all of the colors and alpha.

12
tests/benchmark_images.nim
View file

@ -48,18 +48,6 @@ timeIt "fill":
a.fill(rgba(255, 255, 255, 255))
doAssert a[0, 0] == rgba(255, 255, 255, 255)
timeIt "fillOriginal rgba(0, 0, 0, 0)":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a.fillOriginal(rgba(0, 0, 0, 0))
doAssert a[0, 0] == rgba(0, 0, 0, 0)
timeIt "fill rgba(0, 0, 0, 0)":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a.fill(rgba(0, 0, 0, 0))
doAssert a[0, 0] == rgba(0, 0, 0, 0)
timeIt "invertOriginal":
var a = newImage(2560, 1440)
for i in 0 ..< iterations: