include/virtualdub/VBitmap.h

   1 #ifndef f_VIRTUALDUB_VBITMAP_H
   2 #define f_VIRTUALDUB_VBITMAP_H
   3
   4 #include <windows.h>
   5
   6 typedef unsigned long   Pixel;
   7 typedef unsigned long   Pixel32;
   8 typedef unsigned char   Pixel8;
   9 typedef long                    PixCoord;
  10 typedef long                    PixDim;
  11 typedef long                    PixOffset;
  12
  13 #ifdef VDEXT_VIDEO_FILTER
  14 #define NOVTABLE __declspec(novtable)
  15 #else
  16 #define NOVTABLE
  17 #endif
  18
  19 class NOVTABLE VBitmap {
  20 public:
  21         Pixel *                 data;
  22         Pixel *                 palette;
  23         int                             depth;
  24         PixCoord                w, h;
  25         PixOffset               pitch;
  26         PixOffset               modulo;
  27         PixOffset               size;
  28         PixOffset               offset;
  29
  30         Pixel *Address(PixCoord x, PixCoord y) const {
  31                 return Addressi(x, h-y-1);
  32         }
  33
  34         Pixel *Addressi(PixCoord x, PixCoord y) const {
  35                 return (Pixel *)((char *)data + y*pitch + x*(depth>>3));
  36         }
  37
  38         Pixel *Address32(PixCoord x, PixCoord y) const {
  39                 return Address32i(x, h-y-1);
  40         }
  41
  42         Pixel *Address32i(PixCoord x, PixCoord y) const {
  43                 return (Pixel *)((char *)data + y*pitch + x*sizeof(Pixel));
  44         }
  45
  46         PixOffset PitchAlign4() {
  47                 return ((w * depth + 31)/32)*4;
  48         }
  49
  50         PixOffset PitchAlign8() {
  51                 return ((w * depth + 63)/64)*8;
  52         }
  53
  54         PixOffset Modulo() {
  55                 return pitch - (w*depth+7)/8;
  56         }
  57
  58         PixOffset Size() {
  59                 return pitch*h;
  60         }
  61
  62         //////
  63
  64         VBitmap() throw() {
  65 #ifdef VDEXT_VIDEO_FILTER
  66                 init();
  67 #endif
  68         }
  69         VBitmap(void *data, PixDim w, PixDim h, int depth) throw();
  70         VBitmap(void *data, BITMAPINFOHEADER *) throw();
  71
  72 #ifdef VDEXT_VIDEO_FILTER
  73         void init() throw() { *(void **)this = g_vtbls.pvtblVBitmap; }
  74 #endif
  75
  76         virtual VBitmap& init(void *data, PixDim w, PixDim h, int depth) throw();
  77         virtual VBitmap& init(void *data, BITMAPINFOHEADER *) throw();
  78
  79         virtual void MakeBitmapHeader(BITMAPINFOHEADER *bih) const throw();
  80
  81         virtual void AlignTo4() throw();
  82         virtual void AlignTo8() throw();
  83
  84         virtual void BitBlt(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy) const throw();
  85         virtual void BitBltDither(PixCoord x2, PixCoord y2, const VBitmap *src, PixDim x1, PixDim y1, PixDim dx, PixDim dy, bool to565) const throw();
  86         virtual void BitBlt565(PixCoord x2, PixCoord y2, const VBitmap *src, PixDim x1, PixDim y1, PixDim dx, PixDim dy) const throw();
  87
  88         virtual bool BitBltXlat1(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const Pixel8 *tbl) const throw();
  89         virtual bool BitBltXlat3(PixCoord x2, PixCoord y2, const VBitmap *src, PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const Pixel32 *tbl) const throw();
  90
  91         virtual bool StretchBltNearestFast(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const VBitmap *src, double x2, double y2, double dx1, double dy1) const throw();
  92
  93         virtual bool StretchBltBilinearFast(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, const VBitmap *src, double x2, double y2, double dx1, double dy1) const throw();
  94
  95         virtual bool RectFill(PixCoord x1, PixCoord y1, PixDim dx, PixDim dy, Pixel32 c) const throw();
  96
  97         enum {
  98                 HISTO_LUMA,
  99                 HISTO_GRAY,
 100                 HISTO_RED,
 101                 HISTO_GREEN,
 102                 HISTO_BLUE,
 103         };
 104
 105         virtual bool Histogram(PixCoord x, PixCoord y, PixCoord dx, PixCoord dy, long *pHisto, int iHistoType) const throw();
 106
 107 private:
 108         bool dualrectclip(PixCoord& x2, PixCoord& y2, const VBitmap *src, PixCoord& x1, PixCoord& y1, PixDim& dx, PixDim& dy) const throw();
 109 };
 110
 111 #undef NOVTABLE
 112
 113 #endif