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more benchmarks

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This commit is contained in:
Ryan Oldenburg 2020-12-03 14:32:50 -06:00
parent e1a4d7edc4
commit b3b844ea0e
1 changed files with 39 additions and 0 deletions
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39
tests/benchmark_images.nim
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@ -17,6 +17,25 @@ proc invertOriginal(a: Image) =
rgba.a = 255 - rgba.a
a.setRgbaUnsafe(x, y, rgba)
proc applyOpacityOriginal(a: Image, opacity: float32): Image =
result = newImage(a.width, a.height)
let op = (255 * opacity).uint32
for y in 0 ..< a.height:
for x in 0 ..< a.width:
var rgba = a.getRgbaUnsafe(x, y)
rgba.a = ((rgba.a.uint32 * op) div 255).clamp(0, 255).uint8
result.setRgbaUnsafe(x, y, rgba)
proc sharpOpacityOriginal(a: Image): Image =
result = newImage(a.width, a.height)
for y in 0 ..< a.height:
for x in 0 ..< a.width:
var rgba = a.getRgbaUnsafe(x, y)
if rgba.a == 0:
result.setRgbaUnsafe(x, y, rgba(0, 0, 0, 0))
else:
result.setRgbaUnsafe(x, y, rgba(255, 255, 255, 255))
timeIt "fillOriginal":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
@ -38,3 +57,23 @@ timeIt "invert":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a.invert()
timeIt "applyOpacityOriginal":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a = a.applyOpacityOriginal(0.5)
timeIt "applyOpacity":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a = a.applyOpacity(0.5)
timeIt "sharpOpacityOriginal":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a = a.sharpOpacityOriginal()
timeIt "sharpOpacity":
var a = newImage(2560, 1440)
for i in 0 ..< iterations:
a = a.sharpOpacity()