diff options
Diffstat (limited to 'include/core/SkBitmap.h')
| -rw-r--r-- | include/core/SkBitmap.h | 32 |
1 files changed, 21 insertions, 11 deletions
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h index ae56739c5f..f280a24f1d 100644 --- a/include/core/SkBitmap.h +++ b/include/core/SkBitmap.h @@ -462,19 +462,29 @@ public: */ bool extractSubset(SkBitmap* dst, const SkIRect& subset) const; - /** Makes a deep copy of this bitmap, respecting the requested config. - Returns false if either there is an error (i.e. the src does not have - pixels) or the request cannot be satisfied (e.g. the src has per-pixel - alpha, and the requested config does not support alpha). - @param dst The bitmap to be sized and allocated - @param c The desired config for dst - @param allocator Allocator used to allocate the pixelref for the dst - bitmap. If this is null, the standard HeapAllocator - will be used. - @return true if the copy could be made. - */ + /** Makes a deep copy of this bitmap, respecting the requested config, + * and allocating the dst pixels on the cpu. + * Returns false if either there is an error (i.e. the src does not have + * pixels) or the request cannot be satisfied (e.g. the src has per-pixel + * alpha, and the requested config does not support alpha). + * @param dst The bitmap to be sized and allocated + * @param c The desired config for dst + * @param allocator Allocator used to allocate the pixelref for the dst + * bitmap. If this is null, the standard HeapAllocator + * will be used. + * @return true if the copy could be made. + */ bool copyTo(SkBitmap* dst, Config c, Allocator* allocator = NULL) const; + /** Makes a deep copy of this bitmap, respecting the requested config, and + * with custom allocation logic that will keep the copied pixels + * in the same domain as the source: If the src pixels are allocated for + * the cpu, then so will the dst. If the src pixels are allocated on the + * gpu (typically as a texture), the it will do the same for the dst. + * If the request cannot be fulfilled, returns false and dst is unmodified. + */ + bool deepCopyTo(SkBitmap* dst, Config c) const; + /** Returns true if this bitmap can be deep copied into the requested config by calling copyTo(). */ |