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GRAPHICS: Migrate global funcs and vars to Edge Plugin class

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Eric Culp 2012-06-27 18:39:12 -04:00 committed by Filippos Karapetis
parent b2dff9413e
commit 9ba4c24ae1
2 changed files with 196 additions and 280 deletions
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438
graphics/scaler/edge.cpp
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38
graphics/scaler/edge.h
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@ -38,6 +38,44 @@ public:
virtual uint extraPixels() const { return 1; }
virtual const char *getName() const;
virtual const char *getPrettyName() const;
private:
int16* chooseGreyscale(uint16 *pixels);
int32 calcPixelDiffNosqrt(uint16 pixel1, uint16 pixel2);
int findPrincipleAxis(uint16 *pixels, int16 *diffs, int16 *bplane,
int8 *sim,
int32 *return_angle);
int checkArrows(int best_dir, uint16 *pixels, int8 *sim, int half_flag);
int refineDirection(char edge_type, uint16 *pixels, int16 *bptr,
int8 *sim, double angle);
int fixKnights(int sub_type, uint16 *pixels, int8 *sim);
void initTables(const uint8 *srcPtr, uint32 srcPitch,
int width, int height);
template<typename ColorMask>
void anti_alias_grid_2x(uint8 *dptr, int dstPitch,
uint16 *pixels, int sub_type, int16 *bptr,
int8 *sim,
int interpolate_2x);
template<typename ColorMask>
void anti_alias_grid_clean_3x(uint8 *dptr, int dstPitch,
uint16 *pixels, int sub_type, int16 *bptr);
template<typename ColorMask>
void antiAliasPass2x(const uint8 *src, uint8 *dst,
int w, int h, int w_new, int h_new,
int srcPitch, int dstPitch,
int overlay_flag,
int interpolate_2x);
template<typename ColorMask>
void antiAliasPass3x(const uint8 *src, uint8 *dst,
int w, int h, int w_new, int h_new,
int srcPitch, int dstPitch,
int overlay_flag);
int16 _rgbTable[65536][3]; ///< table lookup for RGB
int16 _greyscaleTable[3][65536]; ///< greyscale tables
int16 *_chosenGreyscale; ///< pointer to chosen greyscale table
int16 *_bptr; ///< too awkward to pass variables
int8 _simSum; ///< sum of similarity matrix
};