Index: src/images/SkScaledBitmapSampler.h |
diff --git a/src/images/SkScaledBitmapSampler.h b/src/images/SkScaledBitmapSampler.h |
deleted file mode 100644 |
index 198dc07572c0dcf9b920ab08504d16814a4e7ec0..0000000000000000000000000000000000000000 |
--- a/src/images/SkScaledBitmapSampler.h |
+++ /dev/null |
@@ -1,107 +0,0 @@ |
- |
-/* |
- * Copyright 2011 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
-#ifndef SkScaledBitmapSampler_DEFINED |
-#define SkScaledBitmapSampler_DEFINED |
- |
-#include "SkTypes.h" |
-#include "SkColor.h" |
-#include "SkImageDecoder.h" |
- |
-class SkBitmap; |
- |
-class SkScaledBitmapSampler { |
-public: |
- SkScaledBitmapSampler(int origWidth, int origHeight, int cellSize); |
- |
- int scaledWidth() const { return fScaledWidth; } |
- int scaledHeight() const { return fScaledHeight; } |
- |
- int srcY0() const { return fY0; } |
- int srcDX() const { return fDX; } |
- int srcDY() const { return fDY; } |
- |
- enum SrcConfig { |
- kGray, // 1 byte per pixel |
- kIndex, // 1 byte per pixel |
- kRGB, // 3 bytes per pixel |
- kRGBX, // 4 byes per pixel (ignore 4th) |
- kRGBA, // 4 bytes per pixel |
- kRGB_565 // 2 bytes per pixel |
- }; |
- |
- struct Options { |
- bool fDither; |
- bool fPremultiplyAlpha; |
- bool fSkipZeros; |
- explicit Options(const SkImageDecoder &dec) |
- : fDither(dec.getDitherImage()) |
- , fPremultiplyAlpha(!dec.getRequireUnpremultipliedColors()) |
- , fSkipZeros(dec.getSkipWritingZeroes()) |
- { } |
- }; |
- |
- // Given a dst bitmap (with pixels already allocated) and a src-config, |
- // prepares iterator to process the src colors and write them into dst. |
- // Returns false if the request cannot be fulfulled. |
- bool begin(SkBitmap* dst, SrcConfig sc, const SkImageDecoder& decoder, |
- const SkPMColor* = nullptr); |
- bool begin(SkBitmap* dst, SrcConfig sc, const Options& opts, |
- const SkPMColor* = nullptr); |
- // call with row of src pixels, for y = 0...scaledHeight-1. |
- // returns true if the row had non-opaque alpha in it |
- bool next(const uint8_t* SK_RESTRICT src); |
- |
- // Like next(), but specifies the y value of the source row, so the |
- // rows can come in any order. If the row is not part of the output |
- // sample, it will be skipped. Only sampleInterlaced OR next should |
- // be called for one SkScaledBitmapSampler. |
- bool sampleInterlaced(const uint8_t* SK_RESTRICT src, int srcY); |
- |
- typedef bool (*RowProc)(void* SK_RESTRICT dstRow, |
- const uint8_t* SK_RESTRICT src, |
- int width, int deltaSrc, int y, |
- const SkPMColor[]); |
- |
-private: |
- int fScaledWidth; |
- int fScaledHeight; |
- |
- int fX0; // first X coord to sample |
- int fY0; // first Y coord (scanline) to sample |
- int fDX; // step between X samples |
- int fDY; // step between Y samples |
- |
-#ifdef SK_DEBUG |
- // Keep track of whether the caller is using next or sampleInterlaced. |
- // Only one can be used per sampler. |
- enum SampleMode { |
- kUninitialized_SampleMode, |
- kConsecutive_SampleMode, |
- kInterlaced_SampleMode, |
- }; |
- |
- SampleMode fSampleMode; |
-#endif |
- |
- // setup state |
- char* fDstRow; // points into bitmap's pixels |
- size_t fDstRowBytes; |
- int fCurrY; // used for dithering |
- int fSrcPixelSize; // 1, 3, 4 |
- RowProc fRowProc; |
- |
- // optional reference to the src colors if the src is a palette model |
- const SkPMColor* fCTable; |
- |
-#ifdef SK_DEBUG |
- // Helper class allowing a test to have access to fRowProc. |
- friend class RowProcTester; |
-#endif |
-}; |
- |
-#endif |