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Do not use a palette for one color images.

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1 color images now always take 30 bytes.

Change-Id: Ifa86bc5320362c659672b3836160353d63576467
This commit is contained in:
Vincent Rabaud
2021-04-28 13:14:28 +02:00
parent 98bbe35b51
commit b6513fbaa8
3 changed files with 39 additions and 1 deletions
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5
src/enc/backward_references_enc.h
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@ -213,7 +213,10 @@ static WEBP_INLINE void VP8LRefsCursorNext(VP8LRefsCursor* const c) {
enum VP8LLZ77Type {
kLZ77Standard = 1,
kLZ77RLE = 2,
kLZ77Box = 4
kLZ77Box = 4,
// With kLZ77None, LZ77 is not even tried. For now, this is only useful for
// 1-color images but we could use it if we are sure the image is a photo.
kLZ77None = 8
};
// Evaluates best possible backward references for specified quality.