git.oblomov.eu Git - wine/blob - dlls/gdi32/dibdrv/dc.c

   1 /*
   2  * DIB driver initialization and DC functions.
   3  *
   4  * Copyright 2011 Huw Davies
   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 <assert.h>
  22
  23 #include "gdi_private.h"
  24 #include "dibdrv.h"
  25
  26 #include "wine/debug.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(dib);
  29
  30 /***********************************************************************
  31  *           dibdrv_DeleteDC
  32  */
  33 static BOOL CDECL dibdrv_DeleteDC( PHYSDEV dev )
  34 {
  35     TRACE("(%p)\n", dev);
  36     return 0;
  37 }
  38
  39 static void init_bit_fields(dib_info *dib, const DWORD *bit_fields)
  40 {
  41     dib->red_mask    = bit_fields[0];
  42     dib->green_mask  = bit_fields[1];
  43     dib->blue_mask   = bit_fields[2];
  44 }
  45
  46 static BOOL init_dib(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields, void *bits)
  47 {
  48     dib->bit_count = bi->biBitCount;
  49     dib->width     = bi->biWidth;
  50     dib->height    = bi->biHeight;
  51     dib->stride    = ((dib->width * dib->bit_count + 31) >> 3) & ~3;
  52     dib->bits      = bits;
  53
  54     if(dib->height < 0) /* top-down */
  55     {
  56         dib->height = -dib->height;
  57     }
  58     else /* bottom-up */
  59     {
  60         /* bits always points to the top-left corner and the stride is -ve */
  61         dib->bits    = (BYTE*)dib->bits + (dib->height - 1) * dib->stride;
  62         dib->stride  = -dib->stride;
  63     }
  64
  65     dib->funcs = &funcs_null;
  66
  67     switch(dib->bit_count)
  68     {
  69     case 32:
  70          init_bit_fields(dib, bit_fields);
  71          if(dib->red_mask == 0xff0000 && dib->green_mask == 0x00ff00 && dib->blue_mask == 0x0000ff)
  72              dib->funcs = &funcs_8888;
  73          else
  74          {
  75              TRACE("32 bpp bitmasks not supported, will forward to graphics driver.\n");
  76              return FALSE;
  77          }
  78          break;
  79
  80     default:
  81         TRACE("bpp %d not supported, will forward to graphics driver.\n", dib->bit_count);
  82         return FALSE;
  83     }
  84
  85     return TRUE;
  86 }
  87
  88 /***********************************************************************
  89  *           dibdrv_SelectBitmap
  90  */
  91 static HBITMAP CDECL dibdrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap )
  92 {
  93     PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSelectBitmap );
  94     dibdrv_physdev *pdev = get_dibdrv_pdev(dev);
  95     BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP );
  96     TRACE("(%p, %p)\n", dev, bitmap);
  97
  98     if (!bmp) return 0;
  99     assert(bmp->dib);
 100
 101     init_dib(&pdev->dib, &bmp->dib->dsBmih, bmp->dib->dsBitfields, bmp->dib->dsBm.bmBits);
 102
 103     GDI_ReleaseObj( bitmap );
 104
 105     return next->funcs->pSelectBitmap( next, bitmap );
 106 }
 107
 108 const DC_FUNCTIONS dib_driver =
 109 {
 110     NULL,                               /* pAbortDoc */
 111     NULL,                               /* pAbortPath */
 112     NULL,                               /* pAlphaBlend */
 113     NULL,                               /* pAngleArc */
 114     NULL,                               /* pArc */
 115     NULL,                               /* pArcTo */
 116     NULL,                               /* pBeginPath */
 117     NULL,                               /* pChoosePixelFormat */
 118     NULL,                               /* pChord */
 119     NULL,                               /* pCloseFigure */
 120     NULL,                               /* pCreateBitmap */
 121     NULL,                               /* pCreateDC */
 122     NULL,                               /* pCreateDIBSection */
 123     NULL,                               /* pDeleteBitmap */
 124     dibdrv_DeleteDC,                    /* pDeleteDC */
 125     NULL,                               /* pDeleteObject */
 126     NULL,                               /* pDescribePixelFormat */
 127     NULL,                               /* pDeviceCapabilities */
 128     NULL,                               /* pEllipse */
 129     NULL,                               /* pEndDoc */
 130     NULL,                               /* pEndPage */
 131     NULL,                               /* pEndPath */
 132     NULL,                               /* pEnumDeviceFonts */
 133     NULL,                               /* pEnumICMProfiles */
 134     NULL,                               /* pExcludeClipRect */
 135     NULL,                               /* pExtDeviceMode */
 136     NULL,                               /* pExtEscape */
 137     NULL,                               /* pExtFloodFill */
 138     NULL,                               /* pExtSelectClipRgn */
 139     NULL,                               /* pExtTextOut */
 140     NULL,                               /* pFillPath */
 141     NULL,                               /* pFillRgn */
 142     NULL,                               /* pFlattenPath */
 143     NULL,                               /* pFrameRgn */
 144     NULL,                               /* pGdiComment */
 145     NULL,                               /* pGetBitmapBits */
 146     NULL,                               /* pGetCharWidth */
 147     NULL,                               /* pGetDIBits */
 148     NULL,                               /* pGetDeviceCaps */
 149     NULL,                               /* pGetDeviceGammaRamp */
 150     NULL,                               /* pGetICMProfile */
 151     NULL,                               /* pGetNearestColor */
 152     NULL,                               /* pGetPixel */
 153     NULL,                               /* pGetPixelFormat */
 154     NULL,                               /* pGetSystemPaletteEntries */
 155     NULL,                               /* pGetTextExtentExPoint */
 156     NULL,                               /* pGetTextMetrics */
 157     NULL,                               /* pIntersectClipRect */
 158     NULL,                               /* pInvertRgn */
 159     NULL,                               /* pLineTo */
 160     NULL,                               /* pModifyWorldTransform */
 161     NULL,                               /* pMoveTo */
 162     NULL,                               /* pOffsetClipRgn */
 163     NULL,                               /* pOffsetViewportOrg */
 164     NULL,                               /* pOffsetWindowOrg */
 165     NULL,                               /* pPaintRgn */
 166     NULL,                               /* pPatBlt */
 167     NULL,                               /* pPie */
 168     NULL,                               /* pPolyBezier */
 169     NULL,                               /* pPolyBezierTo */
 170     NULL,                               /* pPolyDraw */
 171     NULL,                               /* pPolyPolygon */
 172     NULL,                               /* pPolyPolyline */
 173     NULL,                               /* pPolygon */
 174     NULL,                               /* pPolyline */
 175     NULL,                               /* pPolylineTo */
 176     NULL,                               /* pRealizeDefaultPalette */
 177     NULL,                               /* pRealizePalette */
 178     NULL,                               /* pRectangle */
 179     NULL,                               /* pResetDC */
 180     NULL,                               /* pRestoreDC */
 181     NULL,                               /* pRoundRect */
 182     NULL,                               /* pSaveDC */
 183     NULL,                               /* pScaleViewportExt */
 184     NULL,                               /* pScaleWindowExt */
 185     dibdrv_SelectBitmap,                /* pSelectBitmap */
 186     NULL,                               /* pSelectBrush */
 187     NULL,                               /* pSelectClipPath */
 188     NULL,                               /* pSelectFont */
 189     NULL,                               /* pSelectPalette */
 190     NULL,                               /* pSelectPen */
 191     NULL,                               /* pSetArcDirection */
 192     NULL,                               /* pSetBitmapBits */
 193     NULL,                               /* pSetBkColor */
 194     NULL,                               /* pSetBkMode */
 195     NULL,                               /* pSetDCBrushColor */
 196     NULL,                               /* pSetDCPenColor */
 197     NULL,                               /* pSetDIBColorTable */
 198     NULL,                               /* pSetDIBits */
 199     NULL,                               /* pSetDIBitsToDevice */
 200     NULL,                               /* pSetDeviceClipping */
 201     NULL,                               /* pSetDeviceGammaRamp */
 202     NULL,                               /* pSetLayout */
 203     NULL,                               /* pSetMapMode */
 204     NULL,                               /* pSetMapperFlags */
 205     NULL,                               /* pSetPixel */
 206     NULL,                               /* pSetPixelFormat */
 207     NULL,                               /* pSetPolyFillMode */
 208     NULL,                               /* pSetROP2 */
 209     NULL,                               /* pSetRelAbs */
 210     NULL,                               /* pSetStretchBltMode */
 211     NULL,                               /* pSetTextAlign */
 212     NULL,                               /* pSetTextCharacterExtra */
 213     NULL,                               /* pSetTextColor */
 214     NULL,                               /* pSetTextJustification */
 215     NULL,                               /* pSetViewportExt */
 216     NULL,                               /* pSetViewportOrg */
 217     NULL,                               /* pSetWindowExt */
 218     NULL,                               /* pSetWindowOrg */
 219     NULL,                               /* pSetWorldTransform */
 220     NULL,                               /* pStartDoc */
 221     NULL,                               /* pStartPage */
 222     NULL,                               /* pStretchBlt */
 223     NULL,                               /* pStretchDIBits */
 224     NULL,                               /* pStrokeAndFillPath */
 225     NULL,                               /* pStrokePath */
 226     NULL,                               /* pSwapBuffers */
 227     NULL,                               /* pUnrealizePalette */
 228     NULL,                               /* pWidenPath */
 229     NULL,                               /* pwglCopyContext */
 230     NULL,                               /* pwglCreateContext */
 231     NULL,                               /* pwglCreateContextAttribsARB */
 232     NULL,                               /* pwglDeleteContext */
 233     NULL,                               /* pwglGetProcAddress */
 234     NULL,                               /* pwglGetPbufferDCARB */
 235     NULL,                               /* pwglMakeCurrent */
 236     NULL,                               /* pwglMakeContextCurrentARB */
 237     NULL,                               /* pwglSetPixelFormatWINE */
 238     NULL,                               /* pwglShareLists */
 239     NULL,                               /* pwglUseFontBitmapsA */
 240     NULL                                /* pwglUseFontBitmapsW */
 241 };