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benchmark_blends + exports

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This commit is contained in:
Ryan Oldenburg 2022-06-17 17:39:48 -05:00
parent 20e3c458eb
commit 772c40f22a
2 changed files with 8 additions and 10 deletions
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14
src/pixie/blends.nim
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@ -238,7 +238,7 @@ proc blendScreen*(backdrop, source: ColorRGBX): ColorRGBX {.inline.} =
# result = alphaFix(backdrop, source, result)
# result = result.toPremultipliedAlpha()
proc blendColorDodge(backdrop, source: ColorRGBX): ColorRGBX =
proc blendColorDodge*(backdrop, source: ColorRGBX): ColorRGBX =
let
backdrop = backdrop.rgba()
source = source.rgba()
@ -341,7 +341,7 @@ proc blendHardLight*(backdrop, source: ColorRGBX): ColorRGBX =
result.b = hardLight(backdrop.b, backdrop.a, source.b, source.a)
result.a = blendAlpha(backdrop.a, source.a)
proc blendDifference(backdrop, source: ColorRGBX): ColorRGBX =
proc blendDifference*(backdrop, source: ColorRGBX): ColorRGBX =
proc blend(
backdropColor, backdropAlpha, sourceColor, sourceAlpha: uint8
): uint8 {.inline.} =
@ -357,7 +357,7 @@ proc blendDifference(backdrop, source: ColorRGBX): ColorRGBX =
result.b = blend(backdrop.b, backdrop.a, source.b, source.a)
result.a = blendAlpha(backdrop.a, source.a)
proc blendExclusion(backdrop, source: ColorRGBX): ColorRGBX =
proc blendExclusion*(backdrop, source: ColorRGBX): ColorRGBX =
proc blend(backdrop, source: uint32): uint8 {.inline.} =
let v = (backdrop + source).int32 - ((2 * backdrop * source) div 255).int32
max(0, v).uint8
@ -366,28 +366,28 @@ proc blendExclusion(backdrop, source: ColorRGBX): ColorRGBX =
result.b = blend(backdrop.b.uint32, source.b.uint32)
result.a = blendAlpha(backdrop.a, source.a)
proc blendColor(backdrop, source: ColorRGBX): ColorRGBX =
proc blendColor*(backdrop, source: ColorRGBX): ColorRGBX =
let
backdrop = backdrop.rgba().color
source = source.rgba().color
blended = SetLum(source, Lum(backdrop))
result = alphaFix(backdrop, source, blended).rgba.rgbx()
proc blendLuminosity(backdrop, source: ColorRGBX): ColorRGBX =
proc blendLuminosity*(backdrop, source: ColorRGBX): ColorRGBX =
let
backdrop = backdrop.rgba().color
source = source.rgba().color
blended = SetLum(backdrop, Lum(source))
result = alphaFix(backdrop, source, blended).rgba.rgbx()
proc blendHue(backdrop, source: ColorRGBX): ColorRGBX =
proc blendHue*(backdrop, source: ColorRGBX): ColorRGBX =
let
backdrop = backdrop.rgba().color
source = source.rgba().color
blended = SetLum(SetSat(source, Sat(backdrop)), Lum(backdrop))
result = alphaFix(backdrop, source, blended).rgba.rgbx()
proc blendSaturation(backdrop, source: ColorRGBX): ColorRGBX =
proc blendSaturation*(backdrop, source: ColorRGBX): ColorRGBX =
let
backdrop = backdrop.rgba().color
source = source.rgba().color

4
tests/benchmark_blends.nim
View file

@ -1,6 +1,4 @@
import benchy, chroma, pixie/images, vmath
include pixie/blends
import benchy, chroma, pixie/blends, pixie/images, vmath
let
backdrop = newImage(256, 256)