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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #ifndef INCLUDED_VCL_SOURCE_FILTER_WMF_WMFWR_HXX
21 : #define INCLUDED_VCL_SOURCE_FILTER_WMF_WMFWR_HXX
22 :
23 : #include <vcl/metaact.hxx>
24 : #include <vcl/graph.hxx>
25 : #include <vcl/gdimtf.hxx>
26 : #include <vcl/virdev.hxx>
27 : #include <vcl/fltcall.hxx>
28 :
29 : #define MAXOBJECTHANDLES 16
30 :
31 0 : struct WMFWriterAttrStackMember
32 : {
33 : struct WMFWriterAttrStackMember * pSucc;
34 : Color aLineColor;
35 : Color aFillColor;
36 : Color aTextColor;
37 : LineInfo aLineInfo;
38 : TextAlign eTextAlign;
39 : RasterOp eRasterOp;
40 : Font aFont;
41 : MapMode aMapMode;
42 : Region aClipRegion;
43 : sal_uInt16 nFlags;
44 : };
45 :
46 : class StarSymbolToMSMultiFont;
47 : class LineInfo;
48 : namespace basegfx { class B2DPolygon; }
49 :
50 0 : class WMFWriter
51 : {
52 : private:
53 :
54 : bool bStatus;
55 :
56 : sal_uLong nLastPercent; // with which number pCallback was called last time.
57 : FilterConfigItem* pFilterConfigItem;
58 :
59 : com::sun::star::uno::Reference< com::sun::star::task::XStatusIndicator > xStatusIndicator;
60 :
61 : SvStream* pWMF;
62 : VirtualDevice* pVirDev;
63 : StarSymbolToMSMultiFont *pConvert;
64 : MapMode aTargetMapMode;
65 : Size aTargetSize;
66 : sal_uInt16 nTargetDivisor;
67 :
68 : sal_uLong nMetafileHeaderPos;
69 : sal_uInt32 nMaxRecordSize; // in words
70 : sal_uLong nActRecordPos;
71 :
72 : // actual attribute in source metafile:
73 : Color aSrcLineColor;
74 : Color aSrcFillColor;
75 : Color aSrcTextColor;
76 : LineInfo aSrcLineInfo;
77 : RasterOp eSrcRasterOp;
78 : FontAlign eSrcTextAlign;
79 : Font aSrcFont;
80 : MapMode aSrcMapMode;
81 : bool bSrcIsClipping;
82 : Region aSrcClipRegion;
83 : WMFWriterAttrStackMember * pAttrStack;
84 :
85 : sal_uInt32 eSrcHorTextAlign;
86 :
87 : // actual attribute in destination metafile:
88 : Color aDstLineColor;
89 : Color aDstFillColor;
90 : Color aDstTextColor;
91 : LineInfo aDstLineInfo;
92 : RasterOp eDstROP2;
93 : FontAlign eDstTextAlign;
94 : Font aDstFont;
95 :
96 : sal_uInt32 eDstHorTextAlign;
97 :
98 : bool bDstIsClipping; // ???: not taken into account at the moment
99 : Region aDstClipRegion; // ???: not taken into account at the moment
100 : bool bHandleAllocated[MAXOBJECTHANDLES]; // which handles have been assigned
101 : sal_uInt16 nDstPenHandle,nDstFontHandle,nDstBrushHandle; // which handles are owned by
102 : // Selected-Objects
103 : // 0xFFFF = none:
104 :
105 : // to prevent we have to compare all attributes at each operation:
106 :
107 : sal_uLong nNumberOfActions; // number of actions in the GDIMetafile
108 : sal_uLong nNumberOfBitmaps; // number of bitmaps
109 : sal_uLong nWrittenActions; // number of processed actions while writing the directory
110 : sal_uLong nWrittenBitmaps; // number of bitmaps written
111 : sal_uLong nActBitmapPercent; // percentage of next bitmap written.
112 :
113 : bool bEmbedEMF; // optionally embedd EMF data into WMF
114 :
115 : void MayCallback();
116 : // this functions calculates percentage using the above 5 parameters
117 : // and triggers a callback if needed. Puts bStatus to FALSE if the
118 : // users wants to abort.
119 :
120 : void CountActionsAndBitmaps(const GDIMetaFile & rMTF);
121 : // Counts bitmaps and actions (nNumberOfActions and nNumberOfBitmaps should
122 : // be initialised to 0 at start, as this method is recursive)
123 :
124 : void WritePointXY(const Point & rPoint);
125 : void WritePointYX(const Point & rPoint);
126 : sal_Int32 ScaleWidth( sal_Int32 nDX );
127 : void WriteSize(const Size & rSize);
128 : void WriteHeightWidth(const Size & rSize);
129 : void WriteRectangle(const Rectangle & rRect);
130 : void WriteColor(const Color & rColor);
131 :
132 : void WriteRecordHeader(sal_uInt32 nSizeWords, sal_uInt16 nType);
133 : // nSizeWords is the size of the all records in number of words.
134 : // If nSizeWords is unknown, then use 0 (see UpdateRecordHeader())
135 :
136 : void UpdateRecordHeader();
137 : // returns the size of the record after writing the parameters, if
138 : // nSizeWords was unknown upon calling WriteRecordHeader(..)
139 : // if needed it inserts a BYTE 0 to make number of bytes even
140 :
141 : void WMFRecord_Arc(const Rectangle & rRect, const Point & rStartPt, const Point & rEndPt);
142 : void WMFRecord_Chord(const Rectangle & rRect, const Point & rStartPt, const Point & rEndPt);
143 : void WMFRecord_CreateBrushIndirect(const Color& rColor);
144 : void WMFRecord_CreateFontIndirect(const Font & rFont);
145 : void WMFRecord_CreatePenIndirect(const Color& rColor, const LineInfo& rLineInfo );
146 : void WMFRecord_DeleteObject(sal_uInt16 nObjectHandle);
147 : void WMFRecord_Ellipse(const Rectangle & rRect);
148 : void WMFRecord_Escape( sal_uInt32 nEsc, sal_uInt32 nLen, const sal_Int8* pData );
149 : bool WMFRecord_Escape_Unicode( const Point& rPoint, const OUString& rStr, const sal_Int32 * pDXAry );
150 : void WMFRecord_ExtTextOut(const Point & rPoint, const OUString & rString, const sal_Int32 * pDXAry);
151 :
152 : void TrueExtTextOut(const Point & rPoint, const OUString & rString,
153 : const OString& rByteString, const sal_Int32 * pDXAry);
154 : void TrueTextOut(const Point & rPoint, const OString& rString);
155 : void WMFRecord_LineTo(const Point & rPoint);
156 : void WMFRecord_MoveTo(const Point & rPoint);
157 : void WMFRecord_Pie(const Rectangle & rRect, const Point & rStartPt, const Point & rEndPt);
158 : void WMFRecord_Polygon(const Polygon & rPoly);
159 : void WMFRecord_PolyLine(const Polygon & rPoly);
160 : void WMFRecord_PolyPolygon(const PolyPolygon & rPolyPoly);
161 : void WMFRecord_Rectangle(const Rectangle & rRect);
162 : void WMFRecord_RestoreDC();
163 : void WMFRecord_RoundRect(const Rectangle & rRect, long nHorzRound, long nVertRound);
164 : void WMFRecord_SaveDC();
165 : void WMFRecord_SelectObject(sal_uInt16 nObjectHandle);
166 : void WMFRecord_SetBkMode(bool bTransparent);
167 : void WMFRecord_SetStretchBltMode();
168 : void WMFRecord_SetPixel(const Point & rPoint, const Color & rColor);
169 : void WMFRecord_SetROP2(RasterOp eROP);
170 : void WMFRecord_SetTextAlign(FontAlign eFontAlign, sal_uInt32 eHorTextAlign);
171 : void WMFRecord_SetTextColor(const Color & rColor);
172 : void WMFRecord_SetWindowExt(const Size & rSize);
173 : void WMFRecord_SetWindowOrg(const Point & rPoint);
174 : void WMFRecord_StretchDIB(const Point & rPoint, const Size & rSize, const Bitmap & rBitmap, sal_uInt32 nROP = 0UL );
175 : void WMFRecord_TextOut(const Point & rPoint, const OUString & rString);
176 : void WMFRecord_EndOfFile();
177 : void WMFRecord_IntersectClipRect( const Rectangle& rRect);
178 :
179 : sal_uInt16 AllocHandle();
180 : void FreeHandle(sal_uInt16 nObjectHandle);
181 : void CreateSelectDeletePen( const Color& rColor, const LineInfo& rLineInfo );
182 : void CreateSelectDeleteFont(const Font & rFont);
183 : void CreateSelectDeleteBrush(const Color& rColor);
184 :
185 : void SetLineAndFillAttr();
186 : void SetAllAttr();
187 :
188 : void HandleLineInfoPolyPolygons(const LineInfo& rInfo, const basegfx::B2DPolygon& rLinePolygon);
189 : void WriteRecords(const GDIMetaFile & rMTF);
190 :
191 : void WriteHeader(const GDIMetaFile & rMTF, bool bPlaceable);
192 : void UpdateHeader();
193 :
194 : void WriteEmbeddedEMF( const GDIMetaFile& rMTF );
195 : void WriteEMFRecord( SvMemoryStream& rStream, sal_uInt32 nCurSize,
196 : sal_uInt32 nRemainingSize,
197 : sal_uInt32 nTotalSize,
198 : sal_uInt32 nRecCounts,
199 : sal_uInt16 nCheckSum );
200 :
201 : sal_uInt16 CalcSaveTargetMapMode(MapMode& rMapMode, const Size& rPrefSize);
202 :
203 : public:
204 :
205 0 : WMFWriter() {}
206 :
207 : bool WriteWMF(const GDIMetaFile & rMTF, SvStream & rTargetStream, FilterConfigItem* pFilterConfigItem, bool bPlaceable=true);
208 : };
209 :
210 : #endif
211 :
212 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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