gdi32: Add initial support for a null graphics driver.
This commit is contained in:
Alexandre Julliard
parent
5f5c7020f3
commit
c82cb23bc2
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@ -78,6 +78,7 @@ DC *alloc_dc_ptr( const DC_FUNCTIONS *funcs, WORD magic )
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if (!(dc = HeapAlloc( GetProcessHeap(), 0, sizeof(*dc) ))) return NULL;
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if (!(dc = HeapAlloc( GetProcessHeap(), 0, sizeof(*dc) ))) return NULL;
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dc->funcs = funcs;
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dc->funcs = funcs;
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dc->nulldrv.funcs = &null_driver;
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dc->physDev = NULL;
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dc->physDev = NULL;
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dc->thread = GetCurrentThreadId();
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dc->thread = GetCurrentThreadId();
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dc->refcount = 1;
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dc->refcount = 1;
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@ -150,6 +151,7 @@ DC *alloc_dc_ptr( const DC_FUNCTIONS *funcs, WORD magic )
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HeapFree( GetProcessHeap(), 0, dc );
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HeapFree( GetProcessHeap(), 0, dc );
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dc = NULL;
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dc = NULL;
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}
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}
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dc->nulldrv.hdc = dc->hSelf;
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return dc;
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return dc;
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}
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}
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@ -312,6 +312,142 @@ done:
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}
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}
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const DC_FUNCTIONS null_driver =
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{
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NULL, /* pAbortDoc */
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NULL, /* pAbortPath */
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NULL, /* pAlphaBlend */
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NULL, /* pAngleArc */
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NULL, /* pArc */
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NULL, /* pArcTo */
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NULL, /* pBeginPath */
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NULL, /* pBitBlt */
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NULL, /* pChoosePixelFormat */
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NULL, /* pChord */
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NULL, /* pCloseFigure */
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NULL, /* pCreateBitmap */
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NULL, /* pCreateDC */
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NULL, /* pCreateDIBSection */
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NULL, /* pDeleteBitmap */
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NULL, /* pDeleteDC */
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NULL, /* pDeleteObject */
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NULL, /* pDescribePixelFormat */
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NULL, /* pDeviceCapabilities */
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NULL, /* pEllipse */
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NULL, /* pEndDoc */
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NULL, /* pEndPage */
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NULL, /* pEndPath */
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NULL, /* pEnumICMProfiles */
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NULL, /* pEnumDeviceFonts */
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NULL, /* pExcludeClipRect */
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NULL, /* pExtDeviceMode */
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NULL, /* pExtEscape */
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NULL, /* pExtFloodFill */
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NULL, /* pExtSelectClipRgn */
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NULL, /* pExtTextOut */
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NULL, /* pFillPath */
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NULL, /* pFillRgn */
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NULL, /* pFlattenPath */
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NULL, /* pFrameRgn */
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NULL, /* pGdiComment */
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NULL, /* pGetBitmapBits */
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NULL, /* pGetCharWidth */
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NULL, /* pGetDIBits */
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NULL, /* pGetDeviceCaps */
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NULL, /* pGetDeviceGammaRamp */
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NULL, /* pGetICMProfile */
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NULL, /* pGetNearestColor */
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NULL, /* pGetPixel */
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NULL, /* pGetPixelFormat */
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NULL, /* pGetSystemPaletteEntries */
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NULL, /* pGetTextExtentExPoint */
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NULL, /* pGetTextMetrics */
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NULL, /* pIntersectClipRect */
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NULL, /* pInvertRgn */
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NULL, /* pLineTo */
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NULL, /* pModifyWorldTransform */
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NULL, /* pMoveTo */
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NULL, /* pOffsetClipRgn */
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NULL, /* pOffsetViewportOrg */
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NULL, /* pOffsetWindowOrg */
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NULL, /* pPaintRgn */
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NULL, /* pPatBlt */
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NULL, /* pPie */
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NULL, /* pPolyBezier */
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NULL, /* pPolyBezierTo */
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NULL, /* pPolyDraw */
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NULL, /* pPolyPolygon */
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NULL, /* pPolyPolyline */
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NULL, /* pPolygon */
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NULL, /* pPolyline */
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NULL, /* pPolylineTo */
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NULL, /* pRealizeDefaultPalette */
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NULL, /* pRealizePalette */
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NULL, /* pRectangle */
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NULL, /* pResetDC */
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NULL, /* pRestoreDC */
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NULL, /* pRoundRect */
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NULL, /* pSaveDC */
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NULL, /* pScaleViewportExt */
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NULL, /* pScaleWindowExt */
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NULL, /* pSelectBitmap */
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NULL, /* pSelectBrush */
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NULL, /* pSelectClipPath */
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NULL, /* pSelectFont */
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NULL, /* pSelectPalette */
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NULL, /* pSelectPen */
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NULL, /* pSetArcDirection */
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NULL, /* pSetBitmapBits */
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NULL, /* pSetBkColor */
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NULL, /* pSetBkMode */
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NULL, /* pSetDCBrushColor */
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NULL, /* pSetDCPenColor */
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NULL, /* pSetDIBColorTable */
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NULL, /* pSetDIBits */
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NULL, /* pSetDIBitsToDevice */
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NULL, /* pSetDeviceClipping */
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NULL, /* pSetDeviceGammaRamp */
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NULL, /* pSetMapMode */
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NULL, /* pSetMapperFlags */
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NULL, /* pSetPixel */
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NULL, /* pSetPixelFormat */
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NULL, /* pSetPolyFillMode */
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NULL, /* pSetROP2 */
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NULL, /* pSetRelAbs */
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NULL, /* pSetStretchBltMode */
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NULL, /* pSetTextAlign */
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NULL, /* pSetTextCharacterExtra */
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NULL, /* pSetTextColor */
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NULL, /* pSetTextJustification */
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NULL, /* pSetViewportExt */
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NULL, /* pSetViewportOrg */
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NULL, /* pSetWindowExt */
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NULL, /* pSetWindowOrg */
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NULL, /* pSetWorldTransform */
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NULL, /* pStartDoc */
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NULL, /* pStartPage */
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NULL, /* pStretchBlt */
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NULL, /* pStretchDIBits */
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NULL, /* pStrokeAndFillPath */
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NULL, /* pStrokePath */
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NULL, /* pSwapBuffers */
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NULL, /* pUnrealizePalette */
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NULL, /* pWidenPath */
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NULL, /* pwglCopyContext */
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NULL, /* pwglCreateContext */
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NULL, /* pwglCreateContextAttribsARB */
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NULL, /* pwglDeleteContext */
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NULL, /* pwglGetProcAddress */
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NULL, /* pwglGetPbufferDCARB */
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NULL, /* pwglMakeCurrent */
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NULL, /* pwglMakeContextCurrentARB */
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NULL, /* pwglSetPixelFormatWINE */
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NULL, /* pwglShareLists */
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NULL, /* pwglUseFontBitmapsA */
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NULL, /* pwglUseFontBitmapsW */
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};
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/*****************************************************************************
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/*****************************************************************************
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* DRIVER_GetDriverName
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* DRIVER_GetDriverName
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*
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*
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@ -244,6 +244,7 @@ typedef struct tagDC
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{
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{
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GDIOBJHDR header;
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GDIOBJHDR header;
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HDC hSelf; /* Handle to this DC */
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HDC hSelf; /* Handle to this DC */
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struct gdi_physdev nulldrv; /* physdev for the null driver */
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const struct tagDC_FUNCS *funcs; /* DC function table */
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const struct tagDC_FUNCS *funcs; /* DC function table */
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PHYSDEV physDev; /* Physical device (driver-specific) */
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PHYSDEV physDev; /* Physical device (driver-specific) */
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DWORD thread; /* thread owning the DC */
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DWORD thread; /* thread owning the DC */
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@ -389,10 +390,13 @@ extern int DIB_GetBitmapInfo( const BITMAPINFOHEADER *header, LONG *width,
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LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
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LONG *height, WORD *planes, WORD *bpp, DWORD *compr, DWORD *size ) DECLSPEC_HIDDEN;
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/* driver.c */
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/* driver.c */
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extern const DC_FUNCTIONS null_driver DECLSPEC_HIDDEN;
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extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
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extern const DC_FUNCTIONS *DRIVER_get_display_driver(void) DECLSPEC_HIDDEN;
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extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
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extern const DC_FUNCTIONS *DRIVER_load_driver( LPCWSTR name ) DECLSPEC_HIDDEN;
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extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
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extern BOOL DRIVER_GetDriverName( LPCWSTR device, LPWSTR driver, DWORD size ) DECLSPEC_HIDDEN;
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#define GET_DC_PHYSDEV(dc,func) ((dc)->physDev->funcs->func ? (dc)->physDev : &(dc)->nulldrv)
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/* enhmetafile.c */
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/* enhmetafile.c */
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extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
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extern HENHMETAFILE EMF_Create_HENHMETAFILE(ENHMETAHEADER *emh, BOOL on_disk ) DECLSPEC_HIDDEN;
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