dlls/gdi/wing.c

   1 /*
   2  * WinG support
   3  *
   4  * Started by Robert Pouliot <krynos@clic.net>
   5  */
   6
   7 #include "config.h"
   8
   9 #ifndef X_DISPLAY_MISSING
  10 #include "x11drv.h"
  11 #endif /* !defined(X_DISPLAY_MISSING) */
  12
  13 #include "wine/winuser16.h"
  14 #include "bitmap.h"
  15 #include "debugtools.h"
  16 #include "palette.h"
  17 #include "windef.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(wing);
  20
  21
  22 typedef enum WING_DITHER_TYPE
  23 {
  24   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
  25 } WING_DITHER_TYPE;
  26
  27 /*
  28  * WinG DIB bitmaps can be selected into DC and then scribbled upon
  29  * by GDI functions. They can also be changed directly. This gives us
  30  * three choices
  31  *      - use original WinG 16-bit DLL
  32  *              requires working 16-bit driver interface
  33  *      - implement DIB graphics driver from scratch
  34  *              see wing.zip size
  35  *      - use shared pixmaps
  36  *              won't work with some videocards and/or videomodes
  37  * 961208 - AK
  38  */
  39
  40 /***********************************************************************
  41  *          WinGCreateDC16      (WING.1001)
  42  */
  43 HDC16 WINAPI WinGCreateDC16(void)
  44 {
  45     TRACE("(void)\n");
  46         return CreateCompatibleDC16(0);
  47 }
  48
  49 /***********************************************************************
  50  *  WinGRecommendDIBFormat16    (WING.1002)
  51  */
  52 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
  53 {
  54     HDC hdc;
  55     TRACE("(%p)\n", bmpi);
  56     if (!bmpi)
  57         return FALSE;
  58
  59     hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
  60     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  61     bmpi->bmiHeader.biWidth = 320;
  62     bmpi->bmiHeader.biHeight = -1;
  63     bmpi->bmiHeader.biPlanes = 1;
  64     bmpi->bmiHeader.biBitCount = 8;
  65     bmpi->bmiHeader.biCompression = BI_RGB;
  66     bmpi->bmiHeader.biSizeImage = 0;
  67     bmpi->bmiHeader.biXPelsPerMeter = 0;
  68     bmpi->bmiHeader.biYPelsPerMeter = 0;
  69     bmpi->bmiHeader.biClrUsed = 0;
  70     bmpi->bmiHeader.biClrImportant = 0;
  71     DeleteDC(hdc);
  72     return TRUE;
  73 }
  74
  75 /***********************************************************************
  76  *        WinGCreateBitmap16    (WING.1003)
  77  */
  78 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
  79                                     SEGPTR *bits)
  80 {
  81     TRACE("(%d,%p,%p)\n", hdc, bmpi, bits);
  82     TRACE(": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
  83           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
  84     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
  85 }
  86
  87 /***********************************************************************
  88  *  WinGGetDIBPointer   (WING.1004)
  89  */
  90 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
  91 {
  92   BITMAPOBJ*    bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
  93     SEGPTR res = 0;
  94
  95     TRACE("(%d,%p)\n", hWinGBitmap, bmpi);
  96     if (!bmp) return (SEGPTR)NULL;
  97
  98     if (bmpi)
  99         FIXME(": Todo - implement setting BITMAPINFO\n");
 100
 101 #ifndef X_DISPLAY_MISSING
 102     res = MAKESEGPTR(((X11DRV_DIBSECTION *) bmp->dib)->selector, 0);
 103 #endif /* !defined(X_DISPLAY_MISSING) */
 104
 105     GDI_ReleaseObj( hWinGBitmap );
 106     return res;
 107 }
 108
 109 /***********************************************************************
 110  *  WinGSetDIBColorTable   (WING.1004)
 111  */
 112 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 113                                      RGBQUAD *colors)
 114 {
 115     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 116     return SetDIBColorTable16(hdc, start, num, colors);
 117 }
 118
 119 /***********************************************************************
 120  *  WinGGetDIBColorTable16   (WING.1005)
 121  */
 122 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 123                                      RGBQUAD *colors)
 124 {
 125     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 126     return GetDIBColorTable16(hdc, start, num, colors);
 127 }
 128
 129 /***********************************************************************
 130  *  WinGCreateHalfTonePalette16   (WING.1007)
 131  */
 132 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
 133 {
 134     HDC hdc = CreateCompatibleDC(0);
 135     HPALETTE16 ret = CreateHalftonePalette16(hdc);
 136     TRACE("(void)\n");
 137     DeleteDC(hdc);
 138     return ret;
 139 }
 140
 141 /***********************************************************************
 142  *  WinGCreateHalfToneBrush16   (WING.1008)
 143  */
 144 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
 145                                             WING_DITHER_TYPE type)
 146 {
 147     TRACE("(%d,%ld,%d)\n", winDC, col, type);
 148     return CreateSolidBrush16(col);
 149 }
 150
 151 /***********************************************************************
 152  *  WinGStretchBlt16   (WING.1009)
 153  */
 154 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 155                                INT16 widDest, INT16 heiDest,
 156                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
 157                                INT16 widSrc, INT16 heiSrc)
 158 {
 159     BOOL16 retval;
 160     TRACE("(%d,%d,...)\n", destDC, srcDC);
 161     SetStretchBltMode16 ( destDC, COLORONCOLOR );
 162     retval=StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 163                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
 164     SetStretchBltMode16 ( destDC, BLACKONWHITE );
 165     return retval;
 166 }
 167
 168 /***********************************************************************
 169  *  WinGBitBlt16   (WING.1010)
 170  */
 171 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 172                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
 173                            INT16 xSrc, INT16 ySrc)
 174 {
 175     TRACE("(%d,%d,...)\n", destDC, srcDC);
 176     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 177                     xSrc, ySrc, SRCCOPY);
 178 }