VBitmap.h
上传用户:xjjlds
上传日期:2015-12-05
资源大小:22823k
文件大小:3k
- #ifndef f_VIRTUALDUB_VBITMAP_H
- #define f_VIRTUALDUB_VBITMAP_H
- #include <windows.h>
- typedef unsigned long Pixel;
- typedef unsigned long Pixel32;
- typedef unsigned char Pixel8;
- typedef long PixCoord;
- typedef long PixDim;
- typedef long PixOffset;
- #ifdef VDEXT_VIDEO_FILTER
- #define NOVTABLE __declspec(novtable)
- #else
- #define NOVTABLE
- #endif
- class NOVTABLE VBitmap {
- public:
- Pixel * data;
- Pixel * palette;
- int depth;
- PixCoord w, h;
- PixOffset pitch;
- PixOffset modulo;
- PixOffset size;
- PixOffset offset;
- Pixel *Address(PixCoord x, PixCoord y) const {
- return Addressi(x, h-y-1);
- }
- Pixel *Addressi(PixCoord x, PixCoord y) const {
- return (Pixel *)((char *)data + y*pitch + x*(depth>>3));
- }
- Pixel *Address32(PixCoord x, PixCoord y) const {
- return Address32i(x, h-y-1);
- }
- Pixel *Address32i(PixCoord x, PixCoord y) const {
- return (Pixel *)((char *)data + y*pitch + x*sizeof(Pixel));
- }
- PixOffset PitchAlign4() {
- return ((w * depth + 31)/32)*4;
- }
- PixOffset PitchAlign8() {
- return ((w * depth + 63)/64)*8;
- }
- PixOffset Modulo() {
- return pitch - (w*depth+7)/8;
- }
- PixOffset Size() {
- return pitch*h;
- }
- //////
- VBitmap() throw() {
- #ifdef VDEXT_VIDEO_FILTER
- init();
- #endif
- }
- VBitmap(void *data, PixDim w, PixDim h, int depth) throw();
- VBitmap(void *data, BITMAPINFOHEADER *) throw();
- #ifdef VDEXT_VIDEO_FILTER
- void init() throw() { *(void **)this = g_vtbls.pvtblVBitmap; }
- #endif
- virtual VBitmap& init(void *data, PixDim w, PixDim h, int depth) throw();
- virtual VBitmap& init(void *data, BITMAPINFOHEADER *) throw();
- virtual void MakeBitmapHeader(BITMAPINFOHEADER *bih) const throw();
- virtual void AlignTo4() throw();
- virtual void AlignTo8() throw();
- virtual void BitBlt(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy) const throw();
- virtual void BitBltDither(PixCoord x2, PixCoord y2, const VBitmap *src, PixDim x1, PixDim y1, PixDim dx, PixDim dy, bool to565) const throw();
- virtual void BitBlt565(PixCoord x2, PixCoord y2, const VBitmap *src, PixDim x1, PixDim y1, PixDim dx, PixDim dy) const throw();
- virtual bool BitBltXlat1(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const Pixel8 *tbl) const throw();
- virtual bool BitBltXlat3(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const Pixel32 *tbl) const throw();
- virtual bool StretchBltNearestFast(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const VBitmap *src, double x2, double y2, double dx1, double dy1) const throw();
- virtual bool StretchBltBilinearFast(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const VBitmap *src, double x2, double y2, double dx1, double dy1) const throw();
- virtual bool RectFill(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, Pixel32 c) const throw();
- enum {
- HISTO_LUMA,
- HISTO_GRAY,
- HISTO_RED,
- HISTO_GREEN,
- HISTO_BLUE,
- };
- virtual bool Histogram(PixCoord x, PixCoord y, PixCoord dx, PixCoord dy, long *pHisto, int iHistoType) const throw();
- private:
- bool dualrectclip(PixCoord& x2, PixCoord& y2, const VBitmap *src, PixCoord& x1, PixCoord& y1, PixDim& dx, PixDim& dy) const throw();
- };
- #undef NOVTABLE
- #endif