status-im
/
nimPNG
mirror of https://github.com/status-im/nimPNG.git
2
0
Fork 0
Code Issues Projects Releases Wiki Activity

Fixed incompatibility with newer nim

This commit is contained in:
Yuriy Glukhov 2017-10-30 21:55:37 +02:00
parent a961150d81
commit 8557703abf
1 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
nimPNG.nim
View File

@ -226,8 +226,8 @@ proc crc32(crc: uint32, buf: string): uint32 =
var crcu32 = not crc var crcu32 = not crc
for b in buf: for b in buf:
crcu32 = (crcu32 shr 4) xor kcrc32[(crcu32 and 0xF) xor (ord(b) and 0xF)] crcu32 = (crcu32 shr 4) xor kcrc32[(crcu32 and 0xF) xor (uint32(b) and 0xF'u32)]
crcu32 = (crcu32 shr 4) xor kcrc32[(crcu32 and 0xF) xor (ord(b) shr 4)] crcu32 = (crcu32 shr 4) xor kcrc32[(crcu32 and 0xF) xor (uint32(b) shr 4'u32)]
result = not crcu32 result = not crcu32
@ -1493,36 +1493,36 @@ proc RGBA8FromRGBA16(p: var RGBA8, input: DataBuf, px: int, mode: PNGColorMode)
proc RGBA16FromGrey(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) = proc RGBA16FromGrey(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) =
let i = px * 2 let i = px * 2
let val = 256 * ord(input[i]) + ord(input[i + 1]) let val = 256'u16 * ord(input[i]) + ord(input[i + 1])
p.r = val p.r = val
p.g = val p.g = val
p.b = val p.b = val
if mode.keyDefined and (val == mode.keyR): p.a = 0 if mode.keyDefined and (val.int == mode.keyR): p.a = 0
else: p.a = 65535 else: p.a = 65535
proc RGBA16FromRGB(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) = proc RGBA16FromRGB(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) =
let i = px * 6 let i = px * 6
p.r = 256 * ord(input[i]) + ord(input[i+1]) p.r = 256'u16 * ord(input[i]) + ord(input[i+1])
p.g = 256 * ord(input[i+2]) + ord(input[i+3]) p.g = 256'u16 * ord(input[i+2]) + ord(input[i+3])
p.b = 256 * ord(input[i+4]) + ord(input[i+5]) p.b = 256'u16 * ord(input[i+4]) + ord(input[i+5])
if mode.keyDefined and (int(p.r) == mode.keyR) and if mode.keyDefined and (int(p.r) == mode.keyR) and
(int(p.g) == mode.keyG) and (int(p.b) == mode.keyB): p.a = 0 (int(p.g) == mode.keyG) and (int(p.b) == mode.keyB): p.a = 0
else: p.a = 65535 else: p.a = 65535
proc RGBA16FromGreyAlpha(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) = proc RGBA16FromGreyAlpha(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) =
let i = px * 4 let i = px * 4
let val = 256 * ord(input[i]) + ord(input[i + 1]) let val = 256'u16 * ord(input[i]) + ord(input[i + 1])
p.r = val p.r = val
p.g = val p.g = val
p.b = val p.b = val
p.a = 256 * ord(input[i + 2]) + ord(input[i + 3]) p.a = 256'u16 * ord(input[i + 2]) + ord(input[i + 3])
proc RGBA16FromRGBA(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) = proc RGBA16FromRGBA(p: var RGBA16, input: DataBuf, px: int, mode: PNGColorMode) =
let i = px * 8 let i = px * 8
p.r = 256 * ord(input[i]) + ord(input[i+1]) p.r = 256'u16 * ord(input[i]) + ord(input[i+1])
p.g = 256 * ord(input[i+2]) + ord(input[i+3]) p.g = 256'u16 * ord(input[i+2]) + ord(input[i+3])
p.b = 256 * ord(input[i+4]) + ord(input[i+5]) p.b = 256'u16 * ord(input[i+4]) + ord(input[i+5])
p.a = 256 * ord(input[i+6]) + ord(input[i+7]) p.a = 256'u16 * ord(input[i+6]) + ord(input[i+7])
proc RGBA8ToGrey8(p: RGBA8, output: var DataBuf, px: int, mode: PNGColorMode, ct: ColorTree8) = proc RGBA8ToGrey8(p: RGBA8, output: var DataBuf, px: int, mode: PNGColorMode, ct: ColorTree8) =
output[px] = p.r output[px] = p.r