diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/images/SkImageDecoder.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/images/SkImageDecoder.h b/include/images/SkImageDecoder.h index 767a09a..3bb287d 100644 --- a/include/images/SkImageDecoder.h +++ b/include/images/SkImageDecoder.h @@ -216,7 +216,6 @@ public: virtual bool decodeRegion(SkBitmap* bitmap, SkIRect rect, SkBitmap::Config pref); - /** Given a stream, this will try to find an appropriate decoder object. If none is found, the method returns NULL. */ @@ -318,6 +317,26 @@ protected: return false; } + /* + * Crop a rectangle from the src Bitmap to the dest Bitmap. src and dest are + * both sampled by sampleSize from an original Bitmap. + * + * @param dest the destination Bitmap. + * @param src the source Bitmap that is sampled by sampleSize from the original + * Bitmap. + * @param sampleSize the sample size that src is sampled from the original Bitmap. + * @param (srcX, srcY) the upper-left point of the src Btimap in terms of + * the coordinate in the original Bitmap. + * @param (width, height) the width and height of the unsampled dest. + * @param (destX, destY) the upper-left point of the dest Bitmap in terms of + * the coordinate in the original Bitmap. + */ + virtual void cropBitmap(SkBitmap *dest, SkBitmap *src, int sampleSize, + int destX, int destY, int width, int height, + int srcX, int srcY); + + + /** Can be queried from within onDecode, to see if the user (possibly in a different thread) has requested the decode to cancel. If this returns true, your onDecode() should stop and return false. |