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 "ldt.h"
  17 #include "palette.h"
  18 #include "windef.h"
  19
  20 DEFAULT_DEBUG_CHANNEL(wing);
  21
  22
  23 typedef enum WING_DITHER_TYPE
  24 {
  25   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
  26 } WING_DITHER_TYPE;
  27
  28 /*
  29  * WinG DIB bitmaps can be selected into DC and then scribbled upon
  30  * by GDI functions. They can also be changed directly. This gives us
  31  * three choices
  32  *      - use original WinG 16-bit DLL
  33  *              requires working 16-bit driver interface
  34  *      - implement DIB graphics driver from scratch
  35  *              see wing.zip size
  36  *      - use shared pixmaps
  37  *              won't work with some videocards and/or videomodes
  38  * 961208 - AK
  39  */
  40
  41 /***********************************************************************
  42  *          WinGCreateDC16      (WING.1001)
  43  */
  44 HDC16 WINAPI WinGCreateDC16(void)
  45 {
  46     TRACE("(void)\n");
  47         return CreateCompatibleDC16(0);
  48 }
  49
  50 /***********************************************************************
  51  *  WinGRecommendDIBFormat16    (WING.1002)
  52  */
  53 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
  54 {
  55     HDC hdc;
  56     TRACE("(%p)\n", bmpi);
  57     if (!bmpi)
  58         return FALSE;
  59
  60     hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
  61     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  62     bmpi->bmiHeader.biWidth = 320;
  63     bmpi->bmiHeader.biHeight = -1;
  64     bmpi->bmiHeader.biPlanes = 1;
  65     bmpi->bmiHeader.biBitCount = 8;
  66     bmpi->bmiHeader.biCompression = BI_RGB;
  67     bmpi->bmiHeader.biSizeImage = 0;
  68     bmpi->bmiHeader.biXPelsPerMeter = 0;
  69     bmpi->bmiHeader.biYPelsPerMeter = 0;
  70     bmpi->bmiHeader.biClrUsed = 0;
  71     bmpi->bmiHeader.biClrImportant = 0;
  72     DeleteDC(hdc);
  73     return TRUE;
  74 }
  75
  76 /***********************************************************************
  77  *        WinGCreateBitmap16    (WING.1003)
  78  */
  79 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
  80                                     SEGPTR *bits)
  81 {
  82     TRACE("(%d,%p,%p)\n", hdc, bmpi, bits);
  83     TRACE(": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
  84           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
  85     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
  86 }
  87
  88 /***********************************************************************
  89  *  WinGGetDIBPointer   (WING.1004)
  90  */
  91 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
  92 {
  93   BITMAPOBJ*    bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
  94     SEGPTR res = 0;
  95
  96     TRACE("(%d,%p)\n", hWinGBitmap, bmpi);
  97     if (!bmp) return (SEGPTR)NULL;
  98
  99     if (bmpi)
 100         FIXME(": Todo - implement setting BITMAPINFO\n");
 101
 102 #ifndef X_DISPLAY_MISSING
 103     res = PTR_SEG_OFF_TO_SEGPTR(((X11DRV_DIBSECTION *) bmp->dib)->selector, 0);
 104 #endif /* !defined(X_DISPLAY_MISSING) */
 105
 106     GDI_ReleaseObj( hWinGBitmap );
 107     return res;
 108 }
 109
 110 /***********************************************************************
 111  *  WinGSetDIBColorTable   (WING.1004)
 112  */
 113 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 114                                      RGBQUAD *colors)
 115 {
 116     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 117     return SetDIBColorTable16(hdc, start, num, colors);
 118 }
 119
 120 /***********************************************************************
 121  *  WinGGetDIBColorTable16   (WING.1005)
 122  */
 123 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 124                                      RGBQUAD *colors)
 125 {
 126     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 127     return GetDIBColorTable16(hdc, start, num, colors);
 128 }
 129
 130 /***********************************************************************
 131  *  WinGCreateHalfTonePalette16   (WING.1007)
 132  */
 133 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
 134 {
 135     HDC hdc = CreateCompatibleDC(0);
 136     HPALETTE16 ret = CreateHalftonePalette16(hdc);
 137     TRACE("(void)\n");
 138     DeleteDC(hdc);
 139     return ret;
 140 }
 141
 142 /***********************************************************************
 143  *  WinGCreateHalfToneBrush16   (WING.1008)
 144  */
 145 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
 146                                             WING_DITHER_TYPE type)
 147 {
 148     TRACE("(%d,%ld,%d)\n", winDC, col, type);
 149     return CreateSolidBrush16(col);
 150 }
 151
 152 /***********************************************************************
 153  *  WinGStretchBlt16   (WING.1009)
 154  */
 155 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 156                                INT16 widDest, INT16 heiDest,
 157                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
 158                                INT16 widSrc, INT16 heiSrc)
 159 {
 160     BOOL16 retval;
 161     TRACE("(%d,%d,...)\n", destDC, srcDC);
 162     SetStretchBltMode16 ( destDC, COLORONCOLOR );
 163     retval=StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 164                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
 165     SetStretchBltMode16 ( destDC, BLACKONWHITE );
 166     return retval;
 167 }
 168
 169 /***********************************************************************
 170  *  WinGBitBlt16   (WING.1010)
 171  */
 172 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 173                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
 174                            INT16 xSrc, INT16 ySrc)
 175 {
 176     TRACE("(%d,%d,...)\n", destDC, srcDC);
 177     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 178                     xSrc, ySrc, SRCCOPY);
 179 }