dlls/winedib.drv/bitmap.c

   1 /*
   2  * DIB driver bitmap objects
   3  *
   4  * Copyright 2009 Massimo Del Fedele
   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 "config.h"
  22 #include "wine/port.h"
  23
  24 #include "dibdrv.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(dibdrv);
  27
  28
  29 /****************************************************************************
  30  *       SelectBitmap   (WINEDIB.DRV.@)
  31  */
  32 HBITMAP DIBDRV_SelectBitmap( DIBDRVPHYSDEV *physDev, HBITMAP hbitmap )
  33 {
  34     DIBSECTION dibSection;
  35     HBITMAP res;
  36
  37     TRACE("physDev:%p, hbitmap:%p\n", physDev, hbitmap);
  38
  39     /* try to get the DIBSECTION data from the bitmap */
  40     if(GetObjectW(hbitmap, sizeof(DIBSECTION), &dibSection) == sizeof(BITMAP))
  41     {
  42         /* not a DIB section, sets it on physDev and use X11 behaviour */
  43         physDev->hasDIB = FALSE;
  44         res = _DIBDRV_GetDisplayDriver()->pSelectBitmap(physDev->X11PhysDev, hbitmap);
  45         if(res)
  46             physDev->hbitmap = hbitmap;
  47     }
  48     else
  49     {
  50         /* it's a DIB section, sets it on physDev and use DIB Engine behaviour */
  51         ONCE(FIXME("TEMPORARY - fallback to X11 driver\n"));
  52         physDev->hasDIB = TRUE;
  53         res = _DIBDRV_GetDisplayDriver()->pSelectBitmap(physDev->X11PhysDev, hbitmap);
  54         if(res)
  55             physDev->hbitmap = hbitmap;
  56     }
  57     return res;
  58
  59 }
  60
  61 /****************************************************************************
  62  *        DIBDRV_CreateBitmap
  63  */
  64 BOOL DIBDRV_CreateBitmap( DIBDRVPHYSDEV *physDev, HBITMAP hbitmap, LPVOID bmBits )
  65 {
  66     DIBSECTION dibSection;
  67     BOOL res;
  68
  69     TRACE("physDev:%p, hbitmap:%p, bmBits:%p\n", physDev, hbitmap, bmBits);
  70
  71     /* try to get the DIBSECTION data from the bitmap */
  72     if(GetObjectW(hbitmap, sizeof(DIBSECTION), &dibSection) == sizeof(BITMAP))
  73     {
  74         /* not a DIB section, use X11 behaviour */
  75         res = _DIBDRV_GetDisplayDriver()->pCreateBitmap(physDev->X11PhysDev, hbitmap, bmBits);
  76     }
  77     else
  78     {
  79         /* it's a DIB section, use DIB Engine behaviour */
  80         ONCE(FIXME("TEMPORARY - fallback to X11 driver\n"));
  81         res = _DIBDRV_GetDisplayDriver()->pCreateBitmap(physDev->X11PhysDev, hbitmap, bmBits);
  82     }
  83     return res;
  84 }
  85
  86 /***********************************************************************
  87  *           DIBDRV_DeleteBitmap
  88  */
  89 BOOL DIBDRV_DeleteBitmap( HBITMAP hbitmap )
  90 {
  91     DIBSECTION dibSection;
  92     BOOL res;
  93
  94     TRACE("hbitmap:%p\n", hbitmap);
  95
  96     /* try to get the DIBSECTION data from the bitmap */
  97     if(GetObjectW(hbitmap, sizeof(DIBSECTION), &dibSection) == sizeof(BITMAP))
  98     {
  99         /* not a DIB section, use X11 behaviour */
 100         res = _DIBDRV_GetDisplayDriver()->pDeleteBitmap(hbitmap);
 101     }
 102     else
 103     {
 104         /* it's a DIB section, use DIB Engine behaviour */
 105         ONCE(FIXME("TEMPORARY - fallback to X11 driver\n"));
 106         res = _DIBDRV_GetDisplayDriver()->pDeleteBitmap(hbitmap);
 107     }
 108     return res;
 109 }
 110
 111 /***********************************************************************
 112  *           DIBDRV_GetBitmapBits
 113  */
 114 LONG DIBDRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
 115 {
 116     LONG res;
 117
 118     TRACE("hbitmap:%p, buffer:%p, count:%d\n", hbitmap, buffer, count);
 119
 120     /* GetBitmapBits is only valid for DDBs, so use X11 driver */
 121     res =  _DIBDRV_GetDisplayDriver()->pGetBitmapBits(hbitmap, buffer, count);
 122
 123     return res;
 124 }
 125
 126 /******************************************************************************
 127  *             DIBDRV_SetBitmapBits
 128  */
 129 LONG DIBDRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
 130 {
 131     LONG res;
 132
 133     TRACE("hbitmap:%p, bits:%p, count:%d\n", hbitmap, bits, count);
 134
 135     /* SetBitmapBits is only valid for DDBs, so use X11 driver */
 136     res = _DIBDRV_GetDisplayDriver()->pSetBitmapBits(hbitmap, bits, count);
 137
 138     return res;
 139 }