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WebPPictureRescale: add a note about 0 width/height

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Change-Id: I3890bb3fd32a148d7dd24c714546160c6c59d4ea
This commit is contained in:
James Zern 2015-02-25 20:04:09 -08:00
parent 6cef0e4fa4
commit 0f773693bf
1 changed files with 3 additions and 1 deletions
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4
src/webp/encode.h
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@ -416,7 +416,9 @@ WEBP_EXTERN(int) WebPPictureView(const WebPPicture* src,
WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture); WEBP_EXTERN(int) WebPPictureIsView(const WebPPicture* picture);
// Rescale a picture to new dimension width x height. // Rescale a picture to new dimension width x height.
// Now gamma correction is applied. // If either 'width' or 'height' (but not both) is 0 the corresponding
// dimension will be calculated preserving the aspect ratio.
// No gamma correction is applied.
// Returns false in case of error (invalid parameter or insufficient memory). // Returns false in case of error (invalid parameter or insufficient memory).
WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height); WEBP_EXTERN(int) WebPPictureRescale(WebPPicture* pic, int width, int height);