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Put 0 at the end of a palette and do not store it.

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This only applies to kSortedDefault and kMinimizeDelta.

Change-Id: I9d4178406ed2ef91c5c55f0a1919cfc6605fedf9
This commit is contained in:
Vincent Rabaud
2024-06-25 14:46:05 +02:00
parent 0ec80aef3d
commit c4af79d053
3 changed files with 27 additions and 7 deletions
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2
src/utils/palette.h
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@ -53,6 +53,8 @@ int GetColorPalette(const struct WebPPicture* const pic,
// Sorts the palette according to the criterion defined by 'method'.
// 'palette_sorted' is the input palette sorted lexicographically, as done in
// PrepareMapToPalette. Returns 0 on memory allocation error.
// For kSortedDefault and kMinimizeDelta methods, 0 (if present) is set as the
// last element to optimize later storage.
int PaletteSort(PaletteSorting method, const struct WebPPicture* const pic,
const uint32_t* const palette_sorted, uint32_t num_colors,
uint32_t* const palette);