dlls/wing32/wing32.c

   1 /*
   2  * WinG support
   3  *
   4  * Copyright 2007 Dmitry Timoshkov
   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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "wingdi.h"
  26 #include "winuser.h"
  27
  28 /***********************************************************************
  29  *           WinGCreateDC   (WING32.@)
  30  */
  31 HDC WINAPI WinGCreateDC( void )
  32 {
  33     return CreateCompatibleDC( 0 );
  34 }
  35
  36 /***********************************************************************
  37  *           WinGRecommendDIBFormat   (WING32.@)
  38  */
  39 BOOL WINAPI WinGRecommendDIBFormat( BITMAPINFO *bmi )
  40 {
  41     if (!bmi) return FALSE;
  42
  43     bmi->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
  44     bmi->bmiHeader.biWidth = 320;
  45     bmi->bmiHeader.biHeight = 1;
  46     bmi->bmiHeader.biPlanes = 1;
  47     bmi->bmiHeader.biBitCount = 8;
  48     bmi->bmiHeader.biCompression = BI_RGB;
  49     bmi->bmiHeader.biSizeImage = 0;
  50     bmi->bmiHeader.biXPelsPerMeter = 0;
  51     bmi->bmiHeader.biYPelsPerMeter = 0;
  52     bmi->bmiHeader.biClrUsed = 0;
  53     bmi->bmiHeader.biClrImportant = 0;
  54
  55     return TRUE;
  56 }
  57
  58 /***********************************************************************
  59  *           WinGCreateBitmap   (WING32.@)
  60  */
  61 HBITMAP WINAPI WinGCreateBitmap( HDC hdc, BITMAPINFO *bmi, void **bits )
  62 {
  63     return CreateDIBSection( hdc, bmi, DIB_RGB_COLORS, bits, 0, 0 );
  64 }
  65
  66 /***********************************************************************
  67  *           WinGGetDIBPointer   (WING32.@)
  68  */
  69 void * WINAPI WinGGetDIBPointer( HBITMAP hbmp, BITMAPINFO *bmi )
  70 {
  71     DIBSECTION ds;
  72
  73     if (GetObjectW( hbmp, sizeof(ds), &ds ) == sizeof(ds))
  74     {
  75         memcpy( &bmi->bmiHeader, &ds.dsBmih, sizeof(*bmi) );
  76         return ds.dsBm.bmBits;
  77     }
  78     return NULL;
  79 }
  80
  81 /***********************************************************************
  82  *           WinGSetDIBColorTable   (WING32.@)
  83  */
  84 UINT WINAPI WinGSetDIBColorTable( HDC hdc, UINT start, UINT end, RGBQUAD *colors )
  85 {
  86     return SetDIBColorTable( hdc, start, end, colors );
  87 }
  88
  89 /***********************************************************************
  90  *           WinGGetDIBColorTable   (WING32.@)
  91  */
  92 UINT WINAPI WinGGetDIBColorTable( HDC hdc, UINT start, UINT end, RGBQUAD *colors )
  93 {
  94     return GetDIBColorTable( hdc, start, end, colors );
  95 }
  96
  97 /***********************************************************************
  98  *           WinGCreateHalftonePalette   (WING32.@)
  99  */
 100 HPALETTE WINAPI WinGCreateHalftonePalette( void )
 101 {
 102     HDC hdc;
 103     HPALETTE hpal;
 104
 105     hdc = GetDC( 0 );
 106     hpal = CreateHalftonePalette( hdc );
 107     ReleaseDC( 0, hdc );
 108
 109     return hpal;
 110 }
 111
 112 /***********************************************************************
 113  *           WinGCreateHalftoneBrush   (WING32.@)
 114  */
 115 HBRUSH WINAPI WinGCreateHalftoneBrush( HDC hdc, COLORREF color, INT type )
 116 {
 117     return CreateSolidBrush( color );
 118 }
 119
 120 /***********************************************************************
 121  *           WinGStretchBlt   (WING32.@)
 122  */
 123 BOOL WINAPI WinGStretchBlt( HDC hdcDst, INT xDst, INT yDst, INT widthDst, INT heightDst,
 124                             HDC hdcSrc, INT xSrc, INT ySrc, INT widthSrc, INT heightSrc )
 125 {
 126     INT old_blt_mode;
 127     BOOL ret;
 128
 129     old_blt_mode = SetStretchBltMode( hdcDst, COLORONCOLOR );
 130     ret = StretchBlt( hdcDst, xDst, yDst, widthDst, heightDst,
 131                       hdcSrc, xSrc, ySrc, widthSrc, heightSrc, SRCCOPY );
 132     SetStretchBltMode( hdcDst, old_blt_mode );
 133     return ret;
 134 }
 135
 136 /***********************************************************************
 137  *           WinGBitBlt   (WING32.@)
 138  */
 139 BOOL WINAPI WinGBitBlt( HDC hdcDst, INT xDst, INT yDst, INT width,
 140                         INT height, HDC hdcSrc, INT xSrc, INT ySrc )
 141 {
 142     return BitBlt( hdcDst, xDst, yDst, width, height, hdcSrc, xSrc, ySrc, SRCCOPY );
 143 }