MyouProject/pixie
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0.0.14

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This commit is contained in:
Ryan Oldenburg 2021-01-22 18:29:35 -06:00
parent e9d340d6a4
commit 52eb2d2037
2 changed files with 9 additions and 8 deletions
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2
pixie.nimble
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@ -1,4 +1,4 @@
version = "0.0.13"
version = "0.0.14"
author = "Andre von Houck and Ryan Oldenburg"
description = "Full-featured 2d graphics library for Nim."
license = "MIT"

15
src/pixie/images.nim
View file

@ -82,7 +82,7 @@ proc fill*(image: Image, rgba: ColorRgba) =
# When supported, SIMD fill until we run out of room.
let m = mm_set1_epi32(cast[int32](rgba))
while i < image.data.len - 4:
mm_store_si128(image.data[i].addr, m)
mm_storeu_si128(image.data[i].addr, m)
i += 4
else:
when sizeof(int) == 8:
@ -99,13 +99,14 @@ proc fill*(image: Image, rgba: ColorRgba) =
proc invert*(image: Image) =
## Inverts all of the colors and alpha.
let vec255 = mm_set1_epi8(255)
var i: int
while i < image.data.len - 4:
var m = mm_loadu_si128(image.data[i].addr)
m = mm_sub_epi8(vec255, m)
mm_store_si128(image.data[i].addr, m)
i += 4
when defined(amd64):
let vec255 = mm_set1_epi8(255)
while i < image.data.len - 4:
var m = mm_loadu_si128(image.data[i].addr)
m = mm_sub_epi8(vec255, m)
mm_storeu_si128(image.data[i].addr, m)
i += 4
for j in i ..< image.data.len:
var rgba = image.data[j]
rgba.r = 255 - rgba.r