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
  29 WINE_DEFAULT_DEBUG_CHANNEL(wing);
  30
  31
  32 typedef enum WING_DITHER_TYPE
  33 {
  34   WING_DISPERSED_4x4, WING_DISPERSED_8x8, WING_CLUSTERED_4x4
  35 } WING_DITHER_TYPE;
  36
  37 /*
  38  * WinG DIB bitmaps can be selected into DC and then scribbled upon
  39  * by GDI functions. They can also be changed directly. This gives us
  40  * three choices
  41  *      - use original WinG 16-bit DLL
  42  *              requires working 16-bit driver interface
  43  *      - implement DIB graphics driver from scratch
  44  *              see wing.zip size
  45  *      - use shared pixmaps
  46  *              won't work with some videocards and/or videomodes
  47  * 961208 - AK
  48  */
  49
  50 /***********************************************************************
  51  *          WinGCreateDC        (WING.1001)
  52  */
  53 HDC16 WINAPI WinGCreateDC16(void)
  54 {
  55     TRACE("(void)\n");
  56         return CreateCompatibleDC16(0);
  57 }
  58
  59 /***********************************************************************
  60  *  WinGRecommendDIBFormat    (WING.1002)
  61  */
  62 BOOL16 WINAPI WinGRecommendDIBFormat16(BITMAPINFO *bmpi)
  63 {
  64     HDC hdc;
  65     TRACE("(%p)\n", bmpi);
  66     if (!bmpi)
  67         return FALSE;
  68
  69     hdc = CreateDCA( "DISPLAY", NULL, NULL, NULL );
  70     bmpi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  71     bmpi->bmiHeader.biWidth = 320;
  72     bmpi->bmiHeader.biHeight = -1;
  73     bmpi->bmiHeader.biPlanes = 1;
  74     bmpi->bmiHeader.biBitCount = 8;
  75     bmpi->bmiHeader.biCompression = BI_RGB;
  76     bmpi->bmiHeader.biSizeImage = 0;
  77     bmpi->bmiHeader.biXPelsPerMeter = 0;
  78     bmpi->bmiHeader.biYPelsPerMeter = 0;
  79     bmpi->bmiHeader.biClrUsed = 0;
  80     bmpi->bmiHeader.biClrImportant = 0;
  81     DeleteDC(hdc);
  82     return TRUE;
  83 }
  84
  85 /***********************************************************************
  86  *        WinGCreateBitmap    (WING.1003)
  87  */
  88 HBITMAP16 WINAPI WinGCreateBitmap16(HDC16 hdc, BITMAPINFO *bmpi,
  89                                     SEGPTR *bits)
  90 {
  91     TRACE("(%d,%p,%p)\n", hdc, bmpi, bits);
  92     TRACE(": create %ldx%ldx%d bitmap\n", bmpi->bmiHeader.biWidth,
  93           bmpi->bmiHeader.biHeight, bmpi->bmiHeader.biPlanes);
  94     return CreateDIBSection16(hdc, bmpi, 0, bits, 0, 0);
  95 }
  96
  97 /***********************************************************************
  98  *  WinGGetDIBPointer   (WING.1004)
  99  */
 100 SEGPTR WINAPI WinGGetDIBPointer16(HBITMAP16 hWinGBitmap, BITMAPINFO* bmpi)
 101 {
 102     BITMAPOBJ* bmp = (BITMAPOBJ *) GDI_GetObjPtr( hWinGBitmap, BITMAP_MAGIC );
 103     SEGPTR res = 0;
 104
 105     TRACE("(%d,%p)\n", hWinGBitmap, bmpi);
 106     if (!bmp) return 0;
 107
 108     if (bmpi) FIXME(": Todo - implement setting BITMAPINFO\n");
 109
 110     res = bmp->segptr_bits;
 111     GDI_ReleaseObj( hWinGBitmap );
 112     return res;
 113 }
 114
 115 /***********************************************************************
 116  *  WinGSetDIBColorTable   (WING.1006)
 117  */
 118 UINT16 WINAPI WinGSetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 119                                      RGBQUAD *colors)
 120 {
 121     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 122     return SetDIBColorTable16(hdc, start, num, colors);
 123 }
 124
 125 /***********************************************************************
 126  *  WinGGetDIBColorTable   (WING.1005)
 127  */
 128 UINT16 WINAPI WinGGetDIBColorTable16(HDC16 hdc, UINT16 start, UINT16 num,
 129                                      RGBQUAD *colors)
 130 {
 131     TRACE("(%d,%d,%d,%p)\n", hdc, start, num, colors);
 132     return GetDIBColorTable16(hdc, start, num, colors);
 133 }
 134
 135 /***********************************************************************
 136  *  WinGCreateHalfTonePalette   (WING.1007)
 137  */
 138 HPALETTE16 WINAPI WinGCreateHalfTonePalette16(void)
 139 {
 140     HDC hdc = CreateCompatibleDC(0);
 141     HPALETTE16 ret = CreateHalftonePalette16(hdc);
 142     TRACE("(void)\n");
 143     DeleteDC(hdc);
 144     return ret;
 145 }
 146
 147 /***********************************************************************
 148  *  WinGCreateHalfToneBrush   (WING.1008)
 149  */
 150 HBRUSH16 WINAPI WinGCreateHalfToneBrush16(HDC16 winDC, COLORREF col,
 151                                             WING_DITHER_TYPE type)
 152 {
 153     TRACE("(%d,%ld,%d)\n", winDC, col, type);
 154     return CreateSolidBrush16(col);
 155 }
 156
 157 /***********************************************************************
 158  *  WinGStretchBlt   (WING.1009)
 159  */
 160 BOOL16 WINAPI WinGStretchBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 161                                INT16 widDest, INT16 heiDest,
 162                                HDC16 srcDC, INT16 xSrc, INT16 ySrc,
 163                                INT16 widSrc, INT16 heiSrc)
 164 {
 165     BOOL16 retval;
 166     TRACE("(%d,%d,...)\n", destDC, srcDC);
 167     SetStretchBltMode16 ( destDC, COLORONCOLOR );
 168     retval=StretchBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 169                         xSrc, ySrc, widSrc, heiSrc, SRCCOPY);
 170     SetStretchBltMode16 ( destDC, BLACKONWHITE );
 171     return retval;
 172 }
 173
 174 /***********************************************************************
 175  *  WinGBitBlt   (WING.1010)
 176  */
 177 BOOL16 WINAPI WinGBitBlt16(HDC16 destDC, INT16 xDest, INT16 yDest,
 178                            INT16 widDest, INT16 heiDest, HDC16 srcDC,
 179                            INT16 xSrc, INT16 ySrc)
 180 {
 181     TRACE("(%d,%d,...)\n", destDC, srcDC);
 182     return BitBlt16(destDC, xDest, yDest, widDest, heiDest, srcDC,
 183                     xSrc, ySrc, SRCCOPY);
 184 }