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https://github.com/reactos/reactos.git
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512 lines
20 KiB
C
512 lines
20 KiB
C
/*
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* Enhanced MetaFile driver initialisation functions
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*
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* Copyright 1999 Huw D M Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <assert.h>
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#include <stdarg.h>
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#include <string.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winnls.h"
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#include "gdi_private.h"
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#include "enhmfdrv/enhmetafiledrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
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static BOOL EMFDRV_DeleteDC( PHYSDEV dev );
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static const struct gdi_dc_funcs emfdrv_driver =
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{
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NULL, /* pAbortDoc */
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EMFDRV_AbortPath, /* pAbortPath */
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NULL, /* pAlphaBlend */
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EMFDRV_AngleArc, /* pAngleArc */
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EMFDRV_Arc, /* pArc */
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EMFDRV_ArcTo, /* pArcTo */
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EMFDRV_BeginPath, /* pBeginPath */
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NULL, /* pBlendImage */
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EMFDRV_Chord, /* pChord */
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EMFDRV_CloseFigure, /* pCloseFigure */
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NULL, /* pCreateCompatibleDC */
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NULL, /* pCreateDC */
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EMFDRV_DeleteDC, /* pDeleteDC */
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EMFDRV_DeleteObject, /* pDeleteObject */
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NULL, /* pDeviceCapabilities */
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EMFDRV_Ellipse, /* pEllipse */
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NULL, /* pEndDoc */
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NULL, /* pEndPage */
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EMFDRV_EndPath, /* pEndPath */
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NULL, /* pEnumFonts */
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NULL, /* pEnumICMProfiles */
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EMFDRV_ExcludeClipRect, /* pExcludeClipRect */
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NULL, /* pExtDeviceMode */
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NULL, /* pExtEscape */
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EMFDRV_ExtFloodFill, /* pExtFloodFill */
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EMFDRV_ExtSelectClipRgn, /* pExtSelectClipRgn */
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EMFDRV_ExtTextOut, /* pExtTextOut */
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EMFDRV_FillPath, /* pFillPath */
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EMFDRV_FillRgn, /* pFillRgn */
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EMFDRV_FlattenPath, /* pFlattenPath */
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NULL, /* pFontIsLinked */
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EMFDRV_FrameRgn, /* pFrameRgn */
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EMFDRV_GdiComment, /* pGdiComment */
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NULL, /* pGetBoundsRect */
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NULL, /* pGetCharABCWidths */
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NULL, /* pGetCharABCWidthsI */
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NULL, /* pGetCharWidth */
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EMFDRV_GetDeviceCaps, /* pGetDeviceCaps */
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NULL, /* pGetDeviceGammaRamp */
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NULL, /* pGetFontData */
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NULL, /* pGetFontRealizationInfo */
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NULL, /* pGetFontUnicodeRanges */
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NULL, /* pGetGlyphIndices */
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NULL, /* pGetGlyphOutline */
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NULL, /* pGetICMProfile */
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NULL, /* pGetImage */
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NULL, /* pGetKerningPairs */
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NULL, /* pGetNearestColor */
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NULL, /* pGetOutlineTextMetrics */
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NULL, /* pGetPixel */
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NULL, /* pGetSystemPaletteEntries */
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NULL, /* pGetTextCharsetInfo */
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NULL, /* pGetTextExtentExPoint */
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NULL, /* pGetTextExtentExPointI */
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NULL, /* pGetTextFace */
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NULL, /* pGetTextMetrics */
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EMFDRV_GradientFill, /* pGradientFill */
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EMFDRV_IntersectClipRect, /* pIntersectClipRect */
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EMFDRV_InvertRgn, /* pInvertRgn */
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EMFDRV_LineTo, /* pLineTo */
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EMFDRV_ModifyWorldTransform, /* pModifyWorldTransform */
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EMFDRV_MoveTo, /* pMoveTo */
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EMFDRV_OffsetClipRgn, /* pOffsetClipRgn */
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EMFDRV_OffsetViewportOrgEx, /* pOffsetViewportOrgEx */
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EMFDRV_OffsetWindowOrgEx, /* pOffsetWindowOrgEx */
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EMFDRV_PaintRgn, /* pPaintRgn */
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EMFDRV_PatBlt, /* pPatBlt */
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EMFDRV_Pie, /* pPie */
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EMFDRV_PolyBezier, /* pPolyBezier */
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EMFDRV_PolyBezierTo, /* pPolyBezierTo */
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EMFDRV_PolyDraw, /* pPolyDraw */
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EMFDRV_PolyPolygon, /* pPolyPolygon */
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EMFDRV_PolyPolyline, /* pPolyPolyline */
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EMFDRV_Polygon, /* pPolygon */
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EMFDRV_Polyline, /* pPolyline */
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EMFDRV_PolylineTo, /* pPolylineTo */
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NULL, /* pPutImage */
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NULL, /* pRealizeDefaultPalette */
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NULL, /* pRealizePalette */
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EMFDRV_Rectangle, /* pRectangle */
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NULL, /* pResetDC */
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EMFDRV_RestoreDC, /* pRestoreDC */
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EMFDRV_RoundRect, /* pRoundRect */
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EMFDRV_SaveDC, /* pSaveDC */
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EMFDRV_ScaleViewportExtEx, /* pScaleViewportExtEx */
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EMFDRV_ScaleWindowExtEx, /* pScaleWindowExtEx */
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EMFDRV_SelectBitmap, /* pSelectBitmap */
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EMFDRV_SelectBrush, /* pSelectBrush */
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EMFDRV_SelectClipPath, /* pSelectClipPath */
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EMFDRV_SelectFont, /* pSelectFont */
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EMFDRV_SelectPalette, /* pSelectPalette */
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EMFDRV_SelectPen, /* pSelectPen */
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EMFDRV_SetArcDirection, /* pSetArcDirection */
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EMFDRV_SetBkColor, /* pSetBkColor */
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EMFDRV_SetBkMode, /* pSetBkMode */
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NULL, /* pSetBoundsRect */
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EMFDRV_SetDCBrushColor, /* pSetDCBrushColor*/
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EMFDRV_SetDCPenColor, /* pSetDCPenColor*/
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EMFDRV_SetDIBitsToDevice, /* pSetDIBitsToDevice */
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NULL, /* pSetDeviceClipping */
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NULL, /* pSetDeviceGammaRamp */
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EMFDRV_SetLayout, /* pSetLayout */
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EMFDRV_SetMapMode, /* pSetMapMode */
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EMFDRV_SetMapperFlags, /* pSetMapperFlags */
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EMFDRV_SetPixel, /* pSetPixel */
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EMFDRV_SetPolyFillMode, /* pSetPolyFillMode */
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EMFDRV_SetROP2, /* pSetROP2 */
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NULL, /* pSetRelAbs */
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EMFDRV_SetStretchBltMode, /* pSetStretchBltMode */
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EMFDRV_SetTextAlign, /* pSetTextAlign */
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NULL, /* pSetTextCharacterExtra */
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EMFDRV_SetTextColor, /* pSetTextColor */
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EMFDRV_SetTextJustification, /* pSetTextJustification */
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EMFDRV_SetViewportExtEx, /* pSetViewportExtEx */
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EMFDRV_SetViewportOrgEx, /* pSetViewportOrgEx */
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EMFDRV_SetWindowExtEx, /* pSetWindowExtEx */
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EMFDRV_SetWindowOrgEx, /* pSetWindowOrgEx */
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EMFDRV_SetWorldTransform, /* pSetWorldTransform */
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NULL, /* pStartDoc */
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NULL, /* pStartPage */
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EMFDRV_StretchBlt, /* pStretchBlt */
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EMFDRV_StretchDIBits, /* pStretchDIBits */
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EMFDRV_StrokeAndFillPath, /* pStrokeAndFillPath */
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EMFDRV_StrokePath, /* pStrokePath */
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NULL, /* pUnrealizePalette */
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EMFDRV_WidenPath, /* pWidenPath */
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NULL, /* wine_get_wgl_driver */
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GDI_PRIORITY_GRAPHICS_DRV /* priority */
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};
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/**********************************************************************
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* EMFDRV_DeleteDC
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*/
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static BOOL EMFDRV_DeleteDC( PHYSDEV dev )
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{
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EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
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UINT index;
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HeapFree( GetProcessHeap(), 0, physDev->emh );
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for(index = 0; index < physDev->handles_size; index++)
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if(physDev->handles[index])
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GDI_hdc_not_using_object(physDev->handles[index], dev->hdc);
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HeapFree( GetProcessHeap(), 0, physDev->handles );
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HeapFree( GetProcessHeap(), 0, physDev );
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return TRUE;
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}
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/******************************************************************
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* EMFDRV_WriteRecord
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*
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* Warning: this function can change the pointer to the metafile header.
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*/
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BOOL EMFDRV_WriteRecord( PHYSDEV dev, EMR *emr )
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{
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DWORD len;
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DWORD bytes_written;
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ENHMETAHEADER *emh;
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EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
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TRACE("record %d, size %d %s\n",
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emr->iType, emr->nSize, physDev->hFile ? "(to disk)" : "");
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assert( !(emr->nSize & 3) );
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physDev->emh->nBytes += emr->nSize;
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physDev->emh->nRecords++;
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if(physDev->hFile) {
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if (!WriteFile(physDev->hFile, emr, emr->nSize, &bytes_written, NULL))
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return FALSE;
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} else {
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DWORD nEmfSize = HeapSize(GetProcessHeap(), 0, physDev->emh);
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len = physDev->emh->nBytes;
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if (len > nEmfSize) {
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nEmfSize += (nEmfSize / 2) + emr->nSize;
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emh = HeapReAlloc(GetProcessHeap(), 0, physDev->emh, nEmfSize);
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if (!emh) return FALSE;
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physDev->emh = emh;
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}
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memcpy((CHAR *)physDev->emh + physDev->emh->nBytes - emr->nSize, emr,
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emr->nSize);
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}
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return TRUE;
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}
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/******************************************************************
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* EMFDRV_UpdateBBox
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*/
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void EMFDRV_UpdateBBox( PHYSDEV dev, RECTL *rect )
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{
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EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
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RECTL *bounds = &physDev->emh->rclBounds;
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RECTL vportRect = *rect;
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LPtoDP( dev->hdc, (LPPOINT)&vportRect, 2 );
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/* The coordinate systems may be mirrored
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(LPtoDP handles points, not rectangles) */
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if (vportRect.left > vportRect.right)
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{
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LONG temp = vportRect.right;
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vportRect.right = vportRect.left;
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vportRect.left = temp;
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}
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if (vportRect.top > vportRect.bottom)
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{
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LONG temp = vportRect.bottom;
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vportRect.bottom = vportRect.top;
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vportRect.top = temp;
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}
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if (bounds->left > bounds->right)
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{
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/* first bounding rectangle */
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*bounds = vportRect;
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}
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else
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{
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bounds->left = min(bounds->left, vportRect.left);
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bounds->top = min(bounds->top, vportRect.top);
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bounds->right = max(bounds->right, vportRect.right);
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bounds->bottom = max(bounds->bottom, vportRect.bottom);
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}
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}
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/**********************************************************************
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* CreateEnhMetaFileA (GDI32.@)
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*/
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HDC WINAPI CreateEnhMetaFileA(
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HDC hdc, /* [in] optional reference DC */
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LPCSTR filename, /* [in] optional filename for disk metafiles */
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const RECT *rect, /* [in] optional bounding rectangle */
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LPCSTR description /* [in] optional description */
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)
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{
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LPWSTR filenameW = NULL;
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LPWSTR descriptionW = NULL;
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HDC hReturnDC;
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DWORD len1, len2, total;
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if(filename)
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{
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total = MultiByteToWideChar( CP_ACP, 0, filename, -1, NULL, 0 );
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filenameW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, filename, -1, filenameW, total );
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}
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if(description) {
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len1 = strlen(description);
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len2 = strlen(description + len1 + 1);
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total = MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, NULL, 0 );
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descriptionW = HeapAlloc( GetProcessHeap(), 0, total * sizeof(WCHAR) );
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MultiByteToWideChar( CP_ACP, 0, description, len1 + len2 + 3, descriptionW, total );
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}
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hReturnDC = CreateEnhMetaFileW(hdc, filenameW, rect, descriptionW);
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HeapFree( GetProcessHeap(), 0, filenameW );
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HeapFree( GetProcessHeap(), 0, descriptionW );
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return hReturnDC;
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}
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/**********************************************************************
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* CreateEnhMetaFileW (GDI32.@)
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*/
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HDC WINAPI CreateEnhMetaFileW(
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HDC hdc, /* [in] optional reference DC */
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LPCWSTR filename, /* [in] optional filename for disk metafiles */
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const RECT* rect, /* [in] optional bounding rectangle */
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LPCWSTR description /* [in] optional description */
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)
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{
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static const WCHAR displayW[] = {'D','I','S','P','L','A','Y',0};
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HDC ret;
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DC *dc;
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EMFDRV_PDEVICE *physDev;
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HANDLE hFile;
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DWORD size = 0, length = 0;
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DWORD bytes_written;
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TRACE("(%p %s %s %s)\n", hdc, debugstr_w(filename), wine_dbgstr_rect(rect), debugstr_w(description) );
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if (!(dc = alloc_dc_ptr( OBJ_ENHMETADC ))) return 0;
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physDev = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*physDev));
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if (!physDev) {
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free_dc_ptr( dc );
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return 0;
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}
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if(description) { /* App name\0Title\0\0 */
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length = lstrlenW(description);
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length += lstrlenW(description + length + 1);
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length += 3;
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length *= 2;
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}
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size = sizeof(ENHMETAHEADER) + (length + 3) / 4 * 4;
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if (!(physDev->emh = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, size))) {
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HeapFree( GetProcessHeap(), 0, physDev );
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free_dc_ptr( dc );
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return 0;
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}
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push_dc_driver( &dc->physDev, &physDev->dev, &emfdrv_driver );
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physDev->handles = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, HANDLE_LIST_INC * sizeof(physDev->handles[0]));
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physDev->handles_size = HANDLE_LIST_INC;
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physDev->cur_handles = 1;
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physDev->hFile = 0;
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physDev->dc_brush = 0;
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physDev->dc_pen = 0;
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physDev->screen_dc = 0;
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physDev->restoring = 0;
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physDev->path = FALSE;
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if (hdc) /* if no ref, use current display */
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physDev->ref_dc = hdc;
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else
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physDev->ref_dc = physDev->screen_dc = CreateDCW( displayW, NULL, NULL, NULL );
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SetVirtualResolution(physDev->dev.hdc, 0, 0, 0, 0);
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physDev->emh->iType = EMR_HEADER;
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physDev->emh->nSize = size;
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physDev->emh->rclBounds.left = physDev->emh->rclBounds.top = 0;
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physDev->emh->rclBounds.right = physDev->emh->rclBounds.bottom = -1;
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if(rect) {
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physDev->emh->rclFrame.left = rect->left;
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physDev->emh->rclFrame.top = rect->top;
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physDev->emh->rclFrame.right = rect->right;
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physDev->emh->rclFrame.bottom = rect->bottom;
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} else { /* Set this to {0,0 - -1,-1} and update it at the end */
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physDev->emh->rclFrame.left = physDev->emh->rclFrame.top = 0;
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physDev->emh->rclFrame.right = physDev->emh->rclFrame.bottom = -1;
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}
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physDev->emh->dSignature = ENHMETA_SIGNATURE;
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physDev->emh->nVersion = 0x10000;
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physDev->emh->nBytes = physDev->emh->nSize;
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physDev->emh->nRecords = 1;
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physDev->emh->nHandles = 1;
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physDev->emh->sReserved = 0; /* According to docs, this is reserved and must be 0 */
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physDev->emh->nDescription = length / 2;
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physDev->emh->offDescription = length ? sizeof(ENHMETAHEADER) : 0;
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physDev->emh->nPalEntries = 0; /* I guess this should start at 0 */
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/* Size in pixels */
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physDev->emh->szlDevice.cx = GetDeviceCaps( physDev->ref_dc, HORZRES );
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physDev->emh->szlDevice.cy = GetDeviceCaps( physDev->ref_dc, VERTRES );
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/* Size in millimeters */
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physDev->emh->szlMillimeters.cx = GetDeviceCaps( physDev->ref_dc, HORZSIZE );
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physDev->emh->szlMillimeters.cy = GetDeviceCaps( physDev->ref_dc, VERTSIZE );
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/* Size in micrometers */
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physDev->emh->szlMicrometers.cx = physDev->emh->szlMillimeters.cx * 1000;
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physDev->emh->szlMicrometers.cy = physDev->emh->szlMillimeters.cy * 1000;
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memcpy((char *)physDev->emh + sizeof(ENHMETAHEADER), description, length);
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if (filename) /* disk based metafile */
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{
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if ((hFile = CreateFileW(filename, GENERIC_WRITE | GENERIC_READ, 0,
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NULL, CREATE_ALWAYS, 0, 0)) == INVALID_HANDLE_VALUE) {
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free_dc_ptr( dc );
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return 0;
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}
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if (!WriteFile( hFile, physDev->emh, size, &bytes_written, NULL )) {
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free_dc_ptr( dc );
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CloseHandle( hFile );
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return 0;
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}
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physDev->hFile = hFile;
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}
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TRACE("returning %p\n", physDev->dev.hdc);
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ret = physDev->dev.hdc;
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release_dc_ptr( dc );
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return ret;
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}
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/******************************************************************
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* CloseEnhMetaFile (GDI32.@)
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*/
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HENHMETAFILE WINAPI CloseEnhMetaFile(HDC hdc) /* [in] metafile DC */
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{
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HENHMETAFILE hmf;
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EMFDRV_PDEVICE *physDev;
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DC *dc;
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EMREOF emr;
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HANDLE hMapping = 0;
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TRACE("(%p)\n", hdc );
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if (!(dc = get_dc_ptr( hdc ))) return NULL;
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if (GetObjectType( hdc ) != OBJ_ENHMETADC)
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{
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release_dc_ptr( dc );
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return NULL;
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}
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if (dc->refcount != 1)
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{
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FIXME( "not deleting busy DC %p refcount %u\n", hdc, dc->refcount );
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release_dc_ptr( dc );
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return NULL;
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}
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physDev = get_emf_physdev( find_dc_driver( dc, &emfdrv_driver ));
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|
|
if(dc->saveLevel)
|
|
RestoreDC(hdc, 1);
|
|
|
|
if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
|
|
if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
|
|
if (physDev->screen_dc) DeleteDC( physDev->screen_dc );
|
|
|
|
emr.emr.iType = EMR_EOF;
|
|
emr.emr.nSize = sizeof(emr);
|
|
emr.nPalEntries = 0;
|
|
emr.offPalEntries = FIELD_OFFSET(EMREOF, nSizeLast);
|
|
emr.nSizeLast = emr.emr.nSize;
|
|
EMFDRV_WriteRecord( &physDev->dev, &emr.emr );
|
|
|
|
/* Update rclFrame if not initialized in CreateEnhMetaFile */
|
|
if(physDev->emh->rclFrame.left > physDev->emh->rclFrame.right) {
|
|
physDev->emh->rclFrame.left = physDev->emh->rclBounds.left *
|
|
physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
|
|
physDev->emh->rclFrame.top = physDev->emh->rclBounds.top *
|
|
physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
|
|
physDev->emh->rclFrame.right = physDev->emh->rclBounds.right *
|
|
physDev->emh->szlMillimeters.cx * 100 / physDev->emh->szlDevice.cx;
|
|
physDev->emh->rclFrame.bottom = physDev->emh->rclBounds.bottom *
|
|
physDev->emh->szlMillimeters.cy * 100 / physDev->emh->szlDevice.cy;
|
|
}
|
|
|
|
if (physDev->hFile) /* disk based metafile */
|
|
{
|
|
if (SetFilePointer(physDev->hFile, 0, NULL, FILE_BEGIN) != 0)
|
|
{
|
|
CloseHandle( physDev->hFile );
|
|
free_dc_ptr( dc );
|
|
return 0;
|
|
}
|
|
|
|
if (!WriteFile(physDev->hFile, physDev->emh, sizeof(*physDev->emh),
|
|
NULL, NULL))
|
|
{
|
|
CloseHandle( physDev->hFile );
|
|
free_dc_ptr( dc );
|
|
return 0;
|
|
}
|
|
HeapFree( GetProcessHeap(), 0, physDev->emh );
|
|
hMapping = CreateFileMappingA(physDev->hFile, NULL, PAGE_READONLY, 0,
|
|
0, NULL);
|
|
TRACE("hMapping = %p\n", hMapping );
|
|
physDev->emh = MapViewOfFile(hMapping, FILE_MAP_READ, 0, 0, 0);
|
|
TRACE("view = %p\n", physDev->emh );
|
|
CloseHandle( hMapping );
|
|
CloseHandle( physDev->hFile );
|
|
}
|
|
|
|
hmf = EMF_Create_HENHMETAFILE( physDev->emh, (physDev->hFile != 0) );
|
|
physDev->emh = NULL; /* So it won't be deleted */
|
|
free_dc_ptr( dc );
|
|
return hmf;
|
|
}
|