dlls/gdi/wing.c

   1 /*
   2  * WinG support
   3  *
   4  * Copyright (C) Robert Pouliot <krynos@clic.net>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include "wine/winuser16.h"
  24 #include "bitmap.h"
  25 #include "wine/debug.h"
  26 #include "palette.h"
  27 #include "windef.h"
  28 #include "wownt32.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(wing);
  31
  32
  33 typedef enum WING_DITHER_TYPE
  34 {
  35   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
  36 } WING_DITHER_TYPE;
  37
  38 /*
  39  * WinG DIB bitmaps can be selected into DC and then scribbled upon
  40  * by GDI functions. They can also be changed directly. This gives us
  41  * three choices
  42  *      - use original WinG 16-bit DLL
  43  *              requires working 16-bit driver interface
  44  *      - implement DIB graphics driver from scratch
  45  *              see wing.zip size
  46  *      - use shared pixmaps
  47  *              won't work with some videocards and/or videomodes
  48  * 961208 - AK
  49  */
  50
  51 /***********************************************************************
  52  *          WinGCreateDC        (WING.1001)
  53  */
  54 HDC16 WINAPI WinGCreateDC16(void)
  55 {
  56     TRACE("(void)\n");
  57         return CreateCompatibleDC16(0);
  58 }
  59
  60 /***********************************************************************
  61  *  WinGRecommendDIBFormat    (WING.1002)
  62  */
  63 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
  64 {
  65     HDC hdc;
  66     TRACE("(%p)\n", bmpi);
  67     if (!bmpi)
  68         return FALSE;
  69
  70     hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
  71     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  72     bmpi->bmiHeader.biWidth = 320;
  73     bmpi->bmiHeader.biHeight = -1;
  74     bmpi->bmiHeader.biPlanes = 1;
  75     bmpi->bmiHeader.biBitCount = 8;
  76     bmpi->bmiHeader.biCompression = BI_RGB;
  77     bmpi->bmiHeader.biSizeImage = 0;
  78     bmpi->bmiHeader.biXPelsPerMeter = 0;
  79     bmpi->bmiHeader.biYPelsPerMeter = 0;
  80     bmpi->bmiHeader.biClrUsed = 0;
  81     bmpi->bmiHeader.biClrImportant = 0;
  82     DeleteDC(hdc);
  83     return TRUE;
  84 }
  85
  86 /***********************************************************************
  87  *        WinGCreateBitmap    (WING.1003)
  88  */
  89 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
  90                                     SEGPTR *bits)
  91 {
  92     TRACE("(%d,%p,%p)\n", hdc, bmpi, bits);
  93     TRACE(": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
  94           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
  95     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
  96 }
  97
  98 /***********************************************************************
  99  *  WinGGetDIBPointer   (WING.1004)
 100  */
 101 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
 102 {
 103     BITMAPOBJ* bmp = (BITMAPOBJ *) GDI_GetObjPtr( HBITMAP_32(hWinGBitmap),
 104                                                   BITMAP_MAGIC );
 105     SEGPTR res = 0;
 106
 107     TRACE("(%d,%p)\n", hWinGBitmap, bmpi);
 108     if (!bmp) return 0;
 109
 110     if (bmpi) FIXME(": Todo - implement setting BITMAPINFO\n");
 111
 112     res = bmp->segptr_bits;
 113     GDI_ReleaseObj( HBITMAP_32(hWinGBitmap) );
 114     return res;
 115 }
 116
 117 /***********************************************************************
 118  *  WinGSetDIBColorTable   (WING.1006)
 119  */
 120 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 121                                      RGBQUAD *colors)
 122 {
 123     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 124     return SetDIBColorTable16(hdc, start, num, colors);
 125 }
 126
 127 /***********************************************************************
 128  *  WinGGetDIBColorTable   (WING.1005)
 129  */
 130 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 131                                      RGBQUAD *colors)
 132 {
 133     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 134     return GetDIBColorTable16(hdc, start, num, colors);
 135 }
 136
 137 /***********************************************************************
 138  *  WinGCreateHalfTonePalette   (WING.1007)
 139  */
 140 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
 141 {
 142     HDC16 hdc = CreateCompatibleDC16(0);
 143     HPALETTE16 ret = CreateHalftonePalette16(hdc);
 144     TRACE("(void)\n");
 145     DeleteDC16(hdc);
 146     return ret;
 147 }
 148
 149 /***********************************************************************
 150  *  WinGCreateHalfToneBrush   (WING.1008)
 151  */
 152 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
 153                                             WING_DITHER_TYPE type)
 154 {
 155     TRACE("(%d,%ld,%d)\n", winDC, col, type);
 156     return CreateSolidBrush16(col);
 157 }
 158
 159 /***********************************************************************
 160  *  WinGStretchBlt   (WING.1009)
 161  */
 162 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 163                                INT16 widDest, INT16 heiDest,
 164                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
 165                                INT16 widSrc, INT16 heiSrc)
 166 {
 167     BOOL16 retval;
 168     TRACE("(%d,%d,...)\n", destDC, srcDC);
 169     SetStretchBltMode16 ( destDC, COLORONCOLOR );
 170     retval=StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 171                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
 172     SetStretchBltMode16 ( destDC, BLACKONWHITE );
 173     return retval;
 174 }
 175
 176 /***********************************************************************
 177  *  WinGBitBlt   (WING.1010)
 178  */
 179 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 180                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
 181                            INT16 xSrc, INT16 ySrc)
 182 {
 183     TRACE("(%d,%d,...)\n", destDC, srcDC);
 184     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 185                     xSrc, ySrc, SRCCOPY);
 186 }