xorg-server-1.4/hw/xwin/winmisc.c

   1 /*
   2  *Copyright (C) 2001-2004 Harold L Hunt II All Rights Reserved.
   3  *
   4  *Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  *"Software"), to deal in the Software without restriction, including
   7  *without limitation the rights to use, copy, modify, merge, publish,
   8  *distribute, sublicense, and/or sell copies of the Software, and to
   9  *permit persons to whom the Software is furnished to do so, subject to
  10  *the following conditions:
  11  *
  12  *The above copyright notice and this permission notice shall be
  13  *included in all copies or substantial portions of the Software.
  14  *
  15  *THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  16  *EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  17  *MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  18  *NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
  19  *ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  20  *CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  21  *WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  22  *
  23  *Except as contained in this notice, the name of Harold L Hunt II
  24  *shall not be used in advertising or otherwise to promote the sale, use
  25  *or other dealings in this Software without prior written authorization
  26  *from Harold L Hunt II.
  27  *
  28  * Authors:     Harold L Hunt II
  29  */
  30
  31 #ifdef HAVE_XWIN_CONFIG_H
  32 #include <xwin-config.h>
  33 #endif
  34 #include "win.h"
  35
  36 #ifdef XWIN_NATIVEGDI
  37 /* See Porting Layer Definition - p. 33 */
  38 /*
  39  * Called by clients, returns the best size for a cursor, tile, or
  40  * stipple, specified by class (sometimes called kind)
  41  */
  42
  43 void
  44 winQueryBestSizeNativeGDI (int class, unsigned short *pWidth,
  45                            unsigned short *pHeight, ScreenPtr pScreen)
  46 {
  47   ErrorF ("winQueryBestSizeNativeGDI\n");
  48 }
  49 #endif
  50
  51
  52 /*
  53  * Count the number of one bits in a color mask.
  54  */
  55
  56 CARD8
  57 winCountBits (DWORD dw)
  58 {
  59   DWORD         dwBits = 0;
  60
  61   while (dw)
  62     {
  63       dwBits += (dw & 1);
  64       dw >>= 1;
  65     }
  66
  67   return dwBits;
  68 }
  69
  70
  71 /*
  72  * Modify the screen pixmap to point to the new framebuffer address
  73  */
  74
  75 Bool
  76 winUpdateFBPointer (ScreenPtr pScreen, void *pbits)
  77 {
  78   winScreenPriv(pScreen);
  79   winScreenInfo         *pScreenInfo = pScreenPriv->pScreenInfo;
  80
  81   /* Location of shadow framebuffer has changed */
  82   pScreenInfo->pfb = pbits;
  83
  84   /* Update the screen pixmap */
  85   if (!(*pScreen->ModifyPixmapHeader) (pScreen->devPrivate,
  86                                        pScreen->width,
  87                                        pScreen->height,
  88                                        pScreen->rootDepth,
  89                                        BitsPerPixel (pScreen->rootDepth),
  90                                        PixmapBytePad (pScreenInfo->dwStride,
  91                                                       pScreenInfo->dwBPP),
  92                                        pScreenInfo->pfb))
  93     {
  94       FatalError ("winUpdateFramebufferPointer - Failed modifying "\
  95                   "screen pixmap\n");
  96     }
  97
  98   return TRUE;
  99 }
 100
 101
 102 #ifdef XWIN_NATIVEGDI
 103 /*
 104  * Paint the window background with the specified color
 105  */
 106
 107 BOOL
 108 winPaintBackground (HWND hwnd, COLORREF colorref)
 109 {
 110   HDC                   hdc;
 111   HBRUSH                hbrush;
 112   RECT                  rect;
 113
 114   /* Create an hdc */
 115   hdc = GetDC (hwnd);
 116   if (hdc == NULL)
 117     {
 118       printf ("gdiWindowProc - GetDC failed\n");
 119       exit (1);
 120     }
 121
 122   /* Create and select blue brush */
 123   hbrush = CreateSolidBrush (colorref);
 124   if (hbrush == NULL)
 125     {
 126       printf ("gdiWindowProc - CreateSolidBrush failed\n");
 127       exit (1);
 128     }
 129
 130   /* Get window extents */
 131   if (GetClientRect (hwnd, &rect) == FALSE)
 132     {
 133       printf ("gdiWindowProc - GetClientRect failed\n");
 134       exit (1);
 135     }
 136
 137   /* Fill window with blue brush */
 138   if (FillRect (hdc, &rect, hbrush) == 0)
 139     {
 140       printf ("gdiWindowProc - FillRect failed\n");
 141       exit (1);
 142     }
 143
 144   /* Delete blue brush */
 145   DeleteObject (hbrush);
 146
 147   /* Release the hdc */
 148   ReleaseDC (hwnd, hdc);
 149
 150   return TRUE;
 151 }
 152 #endif