git.oblomov.eu Git - wine/blob - dlls/quartz/videoblt.c

   1 #include "config.h"
   2
   3 #include "windef.h"
   4 #include "wingdi.h"
   5
   6 #include "debugtools.h"
   7 DEFAULT_DEBUG_CHANNEL(quartz);
   8
   9 #include "videoblt.h"
  10
  11
  12 #define QUARTZ_LOBYTE(pix)      ((BYTE)((pix)&0xff))
  13 #define QUARTZ_HIBYTE(pix)      ((BYTE)((pix)>>8))
  14
  15 void VIDEOBLT_Blt_888_to_332(
  16         BYTE* pDst, LONG pitchDst,
  17         const BYTE* pSrc, LONG pitchSrc,
  18         LONG width, LONG height,
  19         const RGBQUAD* prgbSrc, LONG nClrUsed )
  20 {
  21         LONG x,y;
  22
  23         for ( y = 0; y < height; y++ )
  24         {
  25                 for ( x = 0; x < width; x++ )
  26                 {
  27                         *pDst++ = ((pSrc[2]&0xe0)   ) |
  28                                           ((pSrc[1]&0xe0)>>3) |
  29                                           ((pSrc[0]&0xc0)>>6);
  30                         pSrc += 3;
  31                 }
  32                 pDst += pitchDst - width;
  33                 pSrc += pitchSrc - width*3;
  34         }
  35 }
  36
  37 void VIDEOBLT_Blt_888_to_555(
  38         BYTE* pDst, LONG pitchDst,
  39         const BYTE* pSrc, LONG pitchSrc,
  40         LONG width, LONG height,
  41         const RGBQUAD* prgbSrc, LONG nClrUsed )
  42 {
  43         LONG x,y;
  44         unsigned pix;
  45
  46         for ( y = 0; y < height; y++ )
  47         {
  48                 for ( x = 0; x < width; x++ )
  49                 {
  50                         pix = ((unsigned)(pSrc[2]&0xf8)<<7) |
  51                                   ((unsigned)(pSrc[1]&0xf8)<<2) |
  52                                   ((unsigned)(pSrc[0]&0xf8)>>3);
  53                         *pDst++ = QUARTZ_LOBYTE(pix);
  54                         *pDst++ = QUARTZ_HIBYTE(pix);
  55                         pSrc += 3;
  56                 }
  57                 pDst += pitchDst - width*2;
  58                 pSrc += pitchSrc - width*3;
  59         }
  60 }
  61
  62 void VIDEOBLT_Blt_888_to_565(
  63         BYTE* pDst, LONG pitchDst,
  64         const BYTE* pSrc, LONG pitchSrc,
  65         LONG width, LONG height,
  66         const RGBQUAD* prgbSrc, LONG nClrUsed )
  67 {
  68         LONG x,y;
  69         unsigned pix;
  70
  71         for ( y = 0; y < height; y++ )
  72         {
  73                 for ( x = 0; x < width; x++ )
  74                 {
  75                         pix = ((unsigned)(pSrc[2]&0xf8)<<8) |
  76                                   ((unsigned)(pSrc[1]&0xfc)<<3) |
  77                                   ((unsigned)(pSrc[0]&0xf8)>>3);
  78                         *pDst++ = QUARTZ_LOBYTE(pix);
  79                         *pDst++ = QUARTZ_HIBYTE(pix);
  80                         pSrc += 3;
  81                 }
  82                 pDst += pitchDst - width*2;
  83                 pSrc += pitchSrc - width*3;
  84         }
  85 }
  86
  87 void VIDEOBLT_Blt_888_to_8888(
  88         BYTE* pDst, LONG pitchDst,
  89         const BYTE* pSrc, LONG pitchSrc,
  90         LONG width, LONG height,
  91         const RGBQUAD* prgbSrc, LONG nClrUsed )
  92 {
  93         LONG x,y;
  94
  95         for ( y = 0; y < height; y++ )
  96         {
  97                 for ( x = 0; x < width; x++ )
  98                 {
  99                         *pDst++ = *pSrc++;
 100                         *pDst++ = *pSrc++;
 101                         *pDst++ = *pSrc++;
 102                         *pDst++ = (BYTE)0xff;
 103                 }
 104                 pDst += pitchDst - width*4;
 105                 pSrc += pitchSrc - width*3;
 106         }
 107 }
 108