diff options
Diffstat (limited to 'include/core')
| -rw-r--r-- | include/core/SkBitmap.h | 16 | ||||
| -rw-r--r-- | include/core/SkCanvas.h | 5 |
2 files changed, 21 insertions, 0 deletions
diff --git a/include/core/SkBitmap.h b/include/core/SkBitmap.h index 2d5fc41..e125924 100644 --- a/include/core/SkBitmap.h +++ b/include/core/SkBitmap.h @@ -551,6 +551,17 @@ public: void flatten(SkFlattenableWriteBuffer&) const; void unflatten(SkFlattenableReadBuffer&); + /** Get the unscaled version of this SkBitmap (may be null; in fact it usually will be) + */ + SkBitmap* unscaledBitmap() const { return fUnscaledBitmap; } + + /** Assign an unscaled bitmap so we can do some transforms with it + * TODO do some basic error-checking (make sure URIs match?) + */ + SkBitmap* setUnscaledBitmap(SkBitmap* unscaledBitmap) { return fUnscaledBitmap = unscaledBitmap; } + + void freeUnscaledBitmap(); + SkDEBUGCODE(void validate() const;) class Allocator : public SkRefCnt { @@ -611,6 +622,11 @@ private: // pixels (e.g. as a gpu texture) mutable int fRawPixelGenerationID; + // Holds shadow copy of this bitmap in cases where it was pre-upscaled, and + // we want to retain the original for possible performance improvements in + // later transformations + mutable SkBitmap* fUnscaledBitmap; + enum Flags { kImageIsOpaque_Flag = 0x01, kImageIsVolatile_Flag = 0x02, diff --git a/include/core/SkCanvas.h b/include/core/SkCanvas.h index 1b9f055..97d6800 100644 --- a/include/core/SkCanvas.h +++ b/include/core/SkCanvas.h @@ -894,6 +894,9 @@ public: void setExternalMatrix(const SkMatrix* = NULL); + virtual void drawBitmapScalarRect(const SkBitmap& bitmap, const SkRect* src, + const SkRect& dst, const SkPaint* paint = NULL); + /////////////////////////////////////////////////////////////////////////// /** After calling saveLayer(), there can be any number of devices that make @@ -983,6 +986,8 @@ private: const SkPaint* paint); void internalDrawBitmapRect(const SkBitmap& bitmap, const SkIRect* src, const SkRect& dst, const SkPaint* paint); + void internalDrawBitmapScalarRect(const SkBitmap& bitmap, const SkRect* src, + const SkRect& dst, const SkPaint* paint); void internalDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst, const SkPaint* paint); void internalDrawPaint(const SkPaint& paint); |