diff options
Diffstat (limited to 'include/core/SkMask.h')
| -rw-r--r-- | include/core/SkMask.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/include/core/SkMask.h b/include/core/SkMask.h index 58a2493..4d48376 100644 --- a/include/core/SkMask.h +++ b/include/core/SkMask.h @@ -47,6 +47,7 @@ struct SkMask { kHorizontalLCD_Format, //!< 4 bytes/pixel: a/r/g/b kVerticalLCD_Format, //!< 4 bytes/pixel: a/r/g/b kARGB32_Format, //!< SkPMColor + kLCD16_Format //!< 565 alpha for r/g/b }; enum { @@ -96,6 +97,19 @@ struct SkMask { return fImage + x - fBounds.fLeft + (y - fBounds.fTop) * fRowBytes; } + /** + * Return the address of the specified 16bit mask. In the debug build, + * this asserts that the mask's format is kLCD16_Format, and that (x,y) + * are contained in the mask's fBounds. + */ + uint16_t* getAddrLCD16(int x, int y) const { + SkASSERT(kLCD16_Format == fFormat); + SkASSERT(fBounds.contains(x, y)); + SkASSERT(fImage != NULL); + uint16_t* row = (uint16_t*)(fImage + (y - fBounds.fTop) * fRowBytes); + return row + (x - fBounds.fLeft); + } + /** Return an address into the 32-bit plane of an LCD or VerticalLCD mask for the given position. */ @@ -120,7 +134,7 @@ struct SkMask { static uint8_t* AllocImage(size_t bytes); static void FreeImage(void* image); - + enum CreateMode { kJustComputeBounds_CreateMode, //!< compute bounds and return kJustRenderImage_CreateMode, //!< render into preallocate mask @@ -128,7 +142,8 @@ struct SkMask { }; static bool FormatIsLCD(Format fm) { - return kHorizontalLCD_Format == fm || kVerticalLCD_Format == fm; + return kHorizontalLCD_Format == fm || kVerticalLCD_Format == fm || + kLCD16_Format == fm; } }; |