diff options
Diffstat (limited to 'include/codec/SkCodec.h')
| -rw-r--r-- | include/codec/SkCodec.h | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/include/codec/SkCodec.h b/include/codec/SkCodec.h index 9f28af010e..075f97680d 100644 --- a/include/codec/SkCodec.h +++ b/include/codec/SkCodec.h @@ -415,9 +415,9 @@ public: int nextScanline() const { return this->outputScanline(fCurrScanline); } /** - * Returns the output y-coordinate of the row that corresponds to an input - * y-coordinate. The input y-coordinate represents where the scanline - * is located in the encoded data. + * Returns the output y-coordinate of the row that corresponds to an input + * y-coordinate. The input y-coordinate represents where the scanline + * is located in the encoded data. * * This will equal inputScanline, except in the case of strangely * encoded image types (bottom-up bmps, interlaced gifs). @@ -529,14 +529,22 @@ protected: virtual SkScanlineOrder onGetScanlineOrder() const { return kTopDown_SkScanlineOrder; } /** - * Update the next scanline. Used by interlaced png. + * Update the current scanline. Used by interlaced png. */ - void updateNextScanline(int newY) { fCurrScanline = newY; } + void updateCurrScanline(int newY) { fCurrScanline = newY; } const SkImageInfo& dstInfo() const { return fDstInfo; } const SkCodec::Options& options() const { return fOptions; } + /** + * Returns the number of scanlines that have been decoded so far. + * This is unaffected by the SkScanlineOrder. + * + * Returns -1 if we have not started a scanline decode. + */ + int currScanline() const { return fCurrScanline; } + virtual int onOutputScanline(int inputScanline) const; private: |