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nimPNG
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fix state.predefinedFilters.len check when filterStrategy is LFS_PREDEFINED

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bung87 2020-07-20 16:07:55 +08:00
parent 9de8e28dd7
commit f062574aa4
1 changed files with 2 additions and 2 deletions
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4
nimPNG.nim
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@ -2847,8 +2847,8 @@ proc encoderCore[T](png: PNG[T]) =
raise PNGFatal("invalid palette size, it is only allowed to be 1-256")
if state.filterStrategy == LFS_PREDEFINED:
if state.predefinedFilters.len < png.width:
raise PNGFatal("predefinedFilters contains not enough filterType compared to image height")
if state.predefinedFilters.len != png.height:
raise PNGFatal("predefinedFilters length not equals to image height")
let inputSize = getRawSize(png.width, png.height, modeIn)
if png.pixels.len < inputSize: