| /* |
| * DIB driver initialization and DC functions. |
| * |
| * Copyright 2011 Huw Davies |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include <assert.h> |
| |
| #include "gdi_private.h" |
| #include "dibdrv.h" |
| |
| #include "wine/debug.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(dib); |
| |
| /*********************************************************************** |
| * dibdrv_DeleteDC |
| */ |
| static BOOL CDECL dibdrv_DeleteDC( PHYSDEV dev ) |
| { |
| dibdrv_physdev *pdev = get_dibdrv_pdev(dev); |
| TRACE("(%p)\n", dev); |
| DeleteObject(pdev->clip); |
| return 0; |
| } |
| |
| static void calc_shift_and_len(DWORD mask, int *shift, int *len) |
| { |
| int s, l; |
| |
| if(!mask) |
| { |
| *shift = *len = 0; |
| return; |
| } |
| |
| s = 0; |
| while ((mask & 1) == 0) |
| { |
| mask >>= 1; |
| s++; |
| } |
| l = 0; |
| while ((mask & 1) == 1) |
| { |
| mask >>= 1; |
| l++; |
| } |
| *shift = s; |
| *len = l; |
| } |
| |
| static void init_bit_fields(dib_info *dib, const DWORD *bit_fields) |
| { |
| dib->red_mask = bit_fields[0]; |
| dib->green_mask = bit_fields[1]; |
| dib->blue_mask = bit_fields[2]; |
| calc_shift_and_len(dib->red_mask, &dib->red_shift, &dib->red_len); |
| calc_shift_and_len(dib->green_mask, &dib->green_shift, &dib->green_len); |
| calc_shift_and_len(dib->blue_mask, &dib->blue_shift, &dib->blue_len); |
| } |
| |
| static BOOL init_dib(dib_info *dib, const BITMAPINFOHEADER *bi, const DWORD *bit_fields, void *bits) |
| { |
| dib->bit_count = bi->biBitCount; |
| dib->width = bi->biWidth; |
| dib->height = bi->biHeight; |
| dib->stride = ((dib->width * dib->bit_count + 31) >> 3) & ~3; |
| dib->bits = bits; |
| |
| if(dib->height < 0) /* top-down */ |
| { |
| dib->height = -dib->height; |
| } |
| else /* bottom-up */ |
| { |
| /* bits always points to the top-left corner and the stride is -ve */ |
| dib->bits = (BYTE*)dib->bits + (dib->height - 1) * dib->stride; |
| dib->stride = -dib->stride; |
| } |
| |
| dib->funcs = &funcs_null; |
| |
| switch(dib->bit_count) |
| { |
| case 32: |
| if(bi->biCompression == BI_RGB) |
| dib->funcs = &funcs_8888; |
| else |
| { |
| init_bit_fields(dib, bit_fields); |
| if(dib->red_mask == 0xff0000 && dib->green_mask == 0x00ff00 && dib->blue_mask == 0x0000ff) |
| dib->funcs = &funcs_8888; |
| else |
| dib->funcs = &funcs_32; |
| } |
| break; |
| |
| default: |
| TRACE("bpp %d not supported, will forward to graphics driver.\n", dib->bit_count); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| /*********************************************************************** |
| * dibdrv_SelectBitmap |
| */ |
| static HBITMAP CDECL dibdrv_SelectBitmap( PHYSDEV dev, HBITMAP bitmap ) |
| { |
| PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSelectBitmap ); |
| dibdrv_physdev *pdev = get_dibdrv_pdev(dev); |
| BITMAPOBJ *bmp = GDI_GetObjPtr( bitmap, OBJ_BITMAP ); |
| TRACE("(%p, %p)\n", dev, bitmap); |
| |
| if (!bmp) return 0; |
| assert(bmp->dib); |
| |
| pdev->clip = CreateRectRgn(0, 0, 0, 0); |
| pdev->defer = 0; |
| |
| if(!init_dib(&pdev->dib, &bmp->dib->dsBmih, bmp->dib->dsBitfields, bmp->dib->dsBm.bmBits)) |
| pdev->defer |= DEFER_FORMAT; |
| |
| GDI_ReleaseObj( bitmap ); |
| |
| return next->funcs->pSelectBitmap( next, bitmap ); |
| } |
| |
| /*********************************************************************** |
| * dibdrv_SetDeviceClipping |
| */ |
| static void CDECL dibdrv_SetDeviceClipping( PHYSDEV dev, HRGN vis_rgn, HRGN clip_rgn ) |
| { |
| PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetDeviceClipping ); |
| dibdrv_physdev *pdev = get_dibdrv_pdev(dev); |
| TRACE("(%p, %p, %p)\n", dev, vis_rgn, clip_rgn); |
| |
| CombineRgn( pdev->clip, vis_rgn, clip_rgn, clip_rgn ? RGN_AND : RGN_COPY ); |
| return next->funcs->pSetDeviceClipping( next, vis_rgn, clip_rgn); |
| } |
| |
| /*********************************************************************** |
| * dibdrv_SetROP2 |
| */ |
| static INT CDECL dibdrv_SetROP2( PHYSDEV dev, INT rop ) |
| { |
| PHYSDEV next = GET_NEXT_PHYSDEV( dev, pSetROP2 ); |
| dibdrv_physdev *pdev = get_dibdrv_pdev(dev); |
| |
| calc_and_xor_masks(rop, pdev->pen_color, &pdev->pen_and, &pdev->pen_xor); |
| update_brush_rop(pdev, rop); |
| |
| return next->funcs->pSetROP2( next, rop ); |
| } |
| |
| const DC_FUNCTIONS dib_driver = |
| { |
| NULL, /* pAbortDoc */ |
| NULL, /* pAbortPath */ |
| NULL, /* pAlphaBlend */ |
| NULL, /* pAngleArc */ |
| NULL, /* pArc */ |
| NULL, /* pArcTo */ |
| NULL, /* pBeginPath */ |
| NULL, /* pChoosePixelFormat */ |
| NULL, /* pChord */ |
| NULL, /* pCloseFigure */ |
| NULL, /* pCreateBitmap */ |
| NULL, /* pCreateDC */ |
| NULL, /* pCreateDIBSection */ |
| NULL, /* pDeleteBitmap */ |
| dibdrv_DeleteDC, /* pDeleteDC */ |
| NULL, /* pDeleteObject */ |
| NULL, /* pDescribePixelFormat */ |
| NULL, /* pDeviceCapabilities */ |
| NULL, /* pEllipse */ |
| NULL, /* pEndDoc */ |
| NULL, /* pEndPage */ |
| NULL, /* pEndPath */ |
| NULL, /* pEnumDeviceFonts */ |
| NULL, /* pEnumICMProfiles */ |
| NULL, /* pExcludeClipRect */ |
| NULL, /* pExtDeviceMode */ |
| NULL, /* pExtEscape */ |
| NULL, /* pExtFloodFill */ |
| NULL, /* pExtSelectClipRgn */ |
| NULL, /* pExtTextOut */ |
| NULL, /* pFillPath */ |
| NULL, /* pFillRgn */ |
| NULL, /* pFlattenPath */ |
| NULL, /* pFrameRgn */ |
| NULL, /* pGdiComment */ |
| NULL, /* pGetBitmapBits */ |
| NULL, /* pGetCharWidth */ |
| NULL, /* pGetDIBits */ |
| NULL, /* pGetDeviceCaps */ |
| NULL, /* pGetDeviceGammaRamp */ |
| NULL, /* pGetICMProfile */ |
| NULL, /* pGetNearestColor */ |
| NULL, /* pGetPixel */ |
| NULL, /* pGetPixelFormat */ |
| NULL, /* pGetSystemPaletteEntries */ |
| NULL, /* pGetTextExtentExPoint */ |
| NULL, /* pGetTextMetrics */ |
| NULL, /* pIntersectClipRect */ |
| NULL, /* pInvertRgn */ |
| dibdrv_LineTo, /* pLineTo */ |
| NULL, /* pModifyWorldTransform */ |
| NULL, /* pMoveTo */ |
| NULL, /* pOffsetClipRgn */ |
| NULL, /* pOffsetViewportOrg */ |
| NULL, /* pOffsetWindowOrg */ |
| NULL, /* pPaintRgn */ |
| dibdrv_PatBlt, /* pPatBlt */ |
| NULL, /* pPie */ |
| NULL, /* pPolyBezier */ |
| NULL, /* pPolyBezierTo */ |
| NULL, /* pPolyDraw */ |
| NULL, /* pPolyPolygon */ |
| NULL, /* pPolyPolyline */ |
| NULL, /* pPolygon */ |
| NULL, /* pPolyline */ |
| NULL, /* pPolylineTo */ |
| NULL, /* pRealizeDefaultPalette */ |
| NULL, /* pRealizePalette */ |
| NULL, /* pRectangle */ |
| NULL, /* pResetDC */ |
| NULL, /* pRestoreDC */ |
| NULL, /* pRoundRect */ |
| NULL, /* pSaveDC */ |
| NULL, /* pScaleViewportExt */ |
| NULL, /* pScaleWindowExt */ |
| dibdrv_SelectBitmap, /* pSelectBitmap */ |
| dibdrv_SelectBrush, /* pSelectBrush */ |
| NULL, /* pSelectClipPath */ |
| NULL, /* pSelectFont */ |
| NULL, /* pSelectPalette */ |
| dibdrv_SelectPen, /* pSelectPen */ |
| NULL, /* pSetArcDirection */ |
| NULL, /* pSetBitmapBits */ |
| NULL, /* pSetBkColor */ |
| NULL, /* pSetBkMode */ |
| dibdrv_SetDCBrushColor, /* pSetDCBrushColor */ |
| dibdrv_SetDCPenColor, /* pSetDCPenColor */ |
| NULL, /* pSetDIBColorTable */ |
| NULL, /* pSetDIBits */ |
| NULL, /* pSetDIBitsToDevice */ |
| dibdrv_SetDeviceClipping, /* pSetDeviceClipping */ |
| NULL, /* pSetDeviceGammaRamp */ |
| NULL, /* pSetLayout */ |
| NULL, /* pSetMapMode */ |
| NULL, /* pSetMapperFlags */ |
| NULL, /* pSetPixel */ |
| NULL, /* pSetPixelFormat */ |
| NULL, /* pSetPolyFillMode */ |
| dibdrv_SetROP2, /* pSetROP2 */ |
| NULL, /* pSetRelAbs */ |
| NULL, /* pSetStretchBltMode */ |
| NULL, /* pSetTextAlign */ |
| NULL, /* pSetTextCharacterExtra */ |
| NULL, /* pSetTextColor */ |
| NULL, /* pSetTextJustification */ |
| NULL, /* pSetViewportExt */ |
| NULL, /* pSetViewportOrg */ |
| NULL, /* pSetWindowExt */ |
| NULL, /* pSetWindowOrg */ |
| NULL, /* pSetWorldTransform */ |
| NULL, /* pStartDoc */ |
| NULL, /* pStartPage */ |
| NULL, /* pStretchBlt */ |
| NULL, /* pStretchDIBits */ |
| NULL, /* pStrokeAndFillPath */ |
| NULL, /* pStrokePath */ |
| NULL, /* pSwapBuffers */ |
| NULL, /* pUnrealizePalette */ |
| NULL, /* pWidenPath */ |
| NULL, /* pwglCopyContext */ |
| NULL, /* pwglCreateContext */ |
| NULL, /* pwglCreateContextAttribsARB */ |
| NULL, /* pwglDeleteContext */ |
| NULL, /* pwglGetProcAddress */ |
| NULL, /* pwglGetPbufferDCARB */ |
| NULL, /* pwglMakeCurrent */ |
| NULL, /* pwglMakeContextCurrentARB */ |
| NULL, /* pwglSetPixelFormatWINE */ |
| NULL, /* pwglShareLists */ |
| NULL, /* pwglUseFontBitmapsA */ |
| NULL /* pwglUseFontBitmapsW */ |
| }; |
