MyouProject/pixie
3
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

small

Browse source
This commit is contained in:
Ryan Oldenburg 2021-01-26 03:13:15 -06:00
parent a252dad7b3
commit e1c98b0822
2 changed files with 8 additions and 8 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
src/pixie/common.nim
View file

@ -47,9 +47,10 @@ proc toPremultipliedAlpha*(c: Color): Color {.inline.} =
proc toStraightAlpha*(c: Color): Color {.inline.} = proc toStraightAlpha*(c: Color): Color {.inline.} =
## Converts a color to from premultiplied alpha to straight. ## Converts a color to from premultiplied alpha to straight.
if c.a == 0: if c.a != 0 and c.a != 1:
return result = c
result.r = c.r / c.a else:
result.g = c.g / c.a result.r = c.r / c.a
result.b = c.b / c.a result.g = c.g / c.a
result.a = c.a result.b = c.b / c.a
result.a = c.a

3
src/pixie/fileformats/png.nim
View file

@ -437,10 +437,9 @@ proc encodePng*(
raise newException(PixieError, "Invalid PNG number of channels") raise newException(PixieError, "Invalid PNG number of channels")
let data = cast[ptr UncheckedArray[uint8]](data) let data = cast[ptr UncheckedArray[uint8]](data)
const signature = [137.uint8, 80, 78, 71, 13, 10, 26, 10]
# Add the PNG file signature # Add the PNG file signature
result.add(signature) result.add(pngSignature)
# Add IHDR # Add IHDR
result.addUint32(13.uint32.swap()) result.addUint32(13.uint32.swap())