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 #include "wine/winuser16.h"
  10 #include "bitmap.h"
  11 #include "debugtools.h"
  12 #include "palette.h"
  13 #include "windef.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(wing);
  16
  17
  18 typedef enum WING_DITHER_TYPE
  19 {
  20   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
  21 } WING_DITHER_TYPE;
  22
  23 /*
  24  * WinG DIB bitmaps can be selected into DC and then scribbled upon
  25  * by GDI functions. They can also be changed directly. This gives us
  26  * three choices
  27  *      - use original WinG 16-bit DLL
  28  *              requires working 16-bit driver interface
  29  *      - implement DIB graphics driver from scratch
  30  *              see wing.zip size
  31  *      - use shared pixmaps
  32  *              won't work with some videocards and/or videomodes
  33  * 961208 - AK
  34  */
  35
  36 /***********************************************************************
  37  *          WinGCreateDC        (WING.1001)
  38  */
  39 HDC16 WINAPI WinGCreateDC16(void)
  40 {
  41     TRACE("(void)\n");
  42         return CreateCompatibleDC16(0);
  43 }
  44
  45 /***********************************************************************
  46  *  WinGRecommendDIBFormat    (WING.1002)
  47  */
  48 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
  49 {
  50     HDC hdc;
  51     TRACE("(%p)\n", bmpi);
  52     if (!bmpi)
  53         return FALSE;
  54
  55     hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
  56     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  57     bmpi->bmiHeader.biWidth = 320;
  58     bmpi->bmiHeader.biHeight = -1;
  59     bmpi->bmiHeader.biPlanes = 1;
  60     bmpi->bmiHeader.biBitCount = 8;
  61     bmpi->bmiHeader.biCompression = BI_RGB;
  62     bmpi->bmiHeader.biSizeImage = 0;
  63     bmpi->bmiHeader.biXPelsPerMeter = 0;
  64     bmpi->bmiHeader.biYPelsPerMeter = 0;
  65     bmpi->bmiHeader.biClrUsed = 0;
  66     bmpi->bmiHeader.biClrImportant = 0;
  67     DeleteDC(hdc);
  68     return TRUE;
  69 }
  70
  71 /***********************************************************************
  72  *        WinGCreateBitmap    (WING.1003)
  73  */
  74 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
  75                                     SEGPTR *bits)
  76 {
  77     TRACE("(%d,%p,%p)\n", hdc, bmpi, bits);
  78     TRACE(": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
  79           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
  80     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
  81 }
  82
  83 /***********************************************************************
  84  *  WinGGetDIBPointer   (WING.1004)
  85  */
  86 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
  87 {
  88     BITMAPOBJ* bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
  89     SEGPTR res = 0;
  90
  91     TRACE("(%d,%p)\n", hWinGBitmap, bmpi);
  92     if (!bmp) return 0;
  93
  94     if (bmpi) FIXME(": Todo - implement setting BITMAPINFO\n");
  95
  96     res = bmp->segptr_bits;
  97     GDI_ReleaseObj( hWinGBitmap );
  98     return res;
  99 }
 100
 101 /***********************************************************************
 102  *  WinGSetDIBColorTable   (WING.1006)
 103  */
 104 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 105                                      RGBQUAD *colors)
 106 {
 107     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 108     return SetDIBColorTable16(hdc, start, num, colors);
 109 }
 110
 111 /***********************************************************************
 112  *  WinGGetDIBColorTable   (WING.1005)
 113  */
 114 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 115                                      RGBQUAD *colors)
 116 {
 117     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 118     return GetDIBColorTable16(hdc, start, num, colors);
 119 }
 120
 121 /***********************************************************************
 122  *  WinGCreateHalfTonePalette   (WING.1007)
 123  */
 124 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
 125 {
 126     HDC hdc = CreateCompatibleDC(0);
 127     HPALETTE16 ret = CreateHalftonePalette16(hdc);
 128     TRACE("(void)\n");
 129     DeleteDC(hdc);
 130     return ret;
 131 }
 132
 133 /***********************************************************************
 134  *  WinGCreateHalfToneBrush   (WING.1008)
 135  */
 136 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
 137                                             WING_DITHER_TYPE type)
 138 {
 139     TRACE("(%d,%ld,%d)\n", winDC, col, type);
 140     return CreateSolidBrush16(col);
 141 }
 142
 143 /***********************************************************************
 144  *  WinGStretchBlt   (WING.1009)
 145  */
 146 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 147                                INT16 widDest, INT16 heiDest,
 148                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
 149                                INT16 widSrc, INT16 heiSrc)
 150 {
 151     BOOL16 retval;
 152     TRACE("(%d,%d,...)\n", destDC, srcDC);
 153     SetStretchBltMode16 ( destDC, COLORONCOLOR );
 154     retval=StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 155                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
 156     SetStretchBltMode16 ( destDC, BLACKONWHITE );
 157     return retval;
 158 }
 159
 160 /***********************************************************************
 161  *  WinGBitBlt   (WING.1010)
 162  */
 163 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 164                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
 165                            INT16 xSrc, INT16 ySrc)
 166 {
 167     TRACE("(%d,%d,...)\n", destDC, srcDC);
 168     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 169                     xSrc, ySrc, SRCCOPY);
 170 }