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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_GDIMTF_HXX
21 : #define INCLUDED_VCL_GDIMTF_HXX
22 :
23 : #include <vcl/dllapi.h>
24 : #include <tools/gen.hxx>
25 : #include <tools/link.hxx>
26 : #include <vcl/mapmod.hxx>
27 : #include <vector>
28 :
29 : class OutputDevice;
30 : class MetaAction;
31 : class MetaCommentAction;
32 : class SvStream;
33 : class Color;
34 : class BitmapEx;
35 : class Polygon;
36 : class PolyPolygon;
37 : class Gradient;
38 :
39 :
40 : // - GDIMetaFile-Types -
41 :
42 :
43 : #define GDI_METAFILE_END ((size_t)0xFFFFFFFF)
44 : #define GDI_METAFILE_LABEL_NOTFOUND ((size_t)0xFFFFFFFF)
45 :
46 : #ifndef METAFILE_END
47 : #define METAFILE_END GDI_METAFILE_END
48 : #endif
49 :
50 : #ifndef METAFILE_LABEL_NOTFOUND
51 : #define METAFILE_LABEL_NOTFOUND GDI_METAFILE_LABEL_NOTFOUND
52 : #endif
53 :
54 : #define MTF_MIRROR_NONE 0x00000000UL
55 : #define MTF_MIRROR_HORZ 0x00000001UL
56 : #define MTF_MIRROR_VERT 0x00000002UL
57 :
58 : enum MtfConversion
59 : {
60 : MTF_CONVERSION_NONE = 0,
61 : MTF_CONVERSION_1BIT_THRESHOLD = 1,
62 : MTF_CONVERSION_8BIT_GREYS = 2
63 : };
64 :
65 :
66 : // - Color conversion routines -
67 :
68 :
69 : typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
70 : typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );
71 :
72 : class VCL_DLLPUBLIC GDIMetaFile
73 : {
74 : private:
75 : ::std::vector< MetaAction* > aList;
76 : size_t nCurrentActionElement;
77 :
78 : MapMode aPrefMapMode;
79 : Size aPrefSize;
80 : Link aHookHdlLink;
81 : GDIMetaFile* pPrev;
82 : GDIMetaFile* pNext;
83 : OutputDevice* pOutDev;
84 : bool bPause;
85 : bool bRecord;
86 : bool bUseCanvas;
87 :
88 :
89 : SAL_DLLPRIVATE static Color ImplColAdjustFnc( const Color& rColor, const void* pColParam );
90 : SAL_DLLPRIVATE static BitmapEx ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
91 :
92 : SAL_DLLPRIVATE static Color ImplColConvertFnc( const Color& rColor, const void* pColParam );
93 : SAL_DLLPRIVATE static BitmapEx ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
94 :
95 : SAL_DLLPRIVATE static Color ImplColMonoFnc( const Color& rColor, const void* pColParam );
96 : SAL_DLLPRIVATE static BitmapEx ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
97 :
98 : SAL_DLLPRIVATE static Color ImplColReplaceFnc( const Color& rColor, const void* pColParam );
99 : SAL_DLLPRIVATE static BitmapEx ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
100 :
101 : SAL_DLLPRIVATE void ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
102 : BmpExchangeFnc pFncBmp, const void* pBmpParam );
103 :
104 : SAL_DLLPRIVATE Point ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
105 : const Size& rOffset, double fSin, double fCos );
106 : SAL_DLLPRIVATE Polygon ImplGetRotatedPolygon( const Polygon& rPoly, const Point& rRotatePt,
107 : const Size& rOffset, double fSin, double fCos );
108 : SAL_DLLPRIVATE PolyPolygon ImplGetRotatedPolyPolygon( const PolyPolygon& rPoly, const Point& rRotatePt,
109 : const Size& rOffset, double fSin, double fCos );
110 : SAL_DLLPRIVATE void ImplAddGradientEx( GDIMetaFile& rMtf,
111 : const OutputDevice& rMapDev,
112 : const PolyPolygon& rPolyPoly,
113 : const Gradient& rGrad );
114 : SAL_DLLPRIVATE bool ImplPlayWithRenderer( OutputDevice* pOut, const Point& rPos, Size rLogicDestSize );
115 : SAL_DLLPRIVATE void ImplDelegate2PluggableRenderer( const MetaCommentAction* pAct, OutputDevice* pOut );
116 :
117 :
118 : protected:
119 :
120 : virtual void Linker( OutputDevice* pOut, bool bLink );
121 : virtual long Hook();
122 :
123 : public:
124 : GDIMetaFile();
125 : GDIMetaFile( const GDIMetaFile& rMtf );
126 : virtual ~GDIMetaFile();
127 :
128 : GDIMetaFile& operator=( const GDIMetaFile& rMtf );
129 : bool operator==( const GDIMetaFile& rMtf ) const;
130 : bool operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }
131 :
132 : void Clear();
133 : bool Mirror( sal_uLong nMirrorFlags );
134 : void Move( long nX, long nY );
135 : // additional Move method getting specifics how to handle MapMode( MAP_PIXEL )
136 : void Move( long nX, long nY, long nDPIX, long nDPIY );
137 : void Scale( double fScaleX, double fScaleY );
138 : void Scale( const Fraction& rScaleX, const Fraction& rScaleY );
139 : void Rotate( long nAngle10 );
140 : void Clip( const Rectangle& );
141 : /* get the bound rect of the contained actions
142 : * caveats:
143 : * - clip actions will limit the contained actions,
144 : * but the current clipregion of the passed OutputDevice will not
145 : * - coordinates of actions will be transformed to preferred mapmode
146 : * - the returned rectangle is relative to the preferred mapmode of the metafile
147 : */
148 : Rectangle GetBoundRect( OutputDevice& i_rReference, Rectangle* pHairline = 0 ) const;
149 :
150 : void Adjust( short nLuminancePercent = 0, short nContrastPercent = 0,
151 : short nChannelRPercent = 0, short nChannelGPercent = 0,
152 : short nChannelBPercent = 0, double fGamma = 1.0,
153 : bool bInvert = false
154 : );
155 :
156 : void Convert( MtfConversion eConversion );
157 : void ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
158 : sal_uLong nColorCount, sal_uLong* pTols = NULL );
159 :
160 : GDIMetaFile GetMonochromeMtf( const Color& rCol ) const;
161 :
162 : void Record( OutputDevice* pOutDev );
163 0 : bool IsRecord() const { return bRecord; }
164 :
165 : void Play( GDIMetaFile& rMtf, size_t nPos = GDI_METAFILE_END );
166 : void Play( OutputDevice* pOutDev, size_t nPos = GDI_METAFILE_END );
167 : void Play( OutputDevice* pOutDev, const Point& rPos,
168 : const Size& rSize, size_t nPos = GDI_METAFILE_END );
169 :
170 : void Pause( bool bPause );
171 0 : bool IsPause() const { return bPause; }
172 :
173 : void Stop();
174 :
175 : void WindStart();
176 : void WindPrev();
177 :
178 : size_t GetActionSize() const;
179 :
180 : void AddAction( MetaAction* pAction );
181 : void AddAction( MetaAction* pAction, size_t nPos );
182 : void RemoveAction( size_t nPos );
183 : void push_back( MetaAction* pAction );
184 :
185 : MetaAction* FirstAction();
186 : MetaAction* NextAction();
187 : MetaAction* GetAction( size_t nAction ) const;
188 0 : MetaAction* GetCurAction() const { return GetAction( nCurrentActionElement ); }
189 : /**
190 : * @param pAction takes ownership
191 : */
192 : MetaAction* ReplaceAction( MetaAction* pAction, size_t nAction );
193 :
194 0 : const Size& GetPrefSize() const { return aPrefSize; }
195 0 : void SetPrefSize( const Size& rSize ) { aPrefSize = rSize; }
196 :
197 0 : const MapMode& GetPrefMapMode() const { return aPrefMapMode; }
198 0 : void SetPrefMapMode( const MapMode& rMapMode ) { aPrefMapMode = rMapMode; }
199 :
200 : void SetHookHdl( const Link& rLink ) { aHookHdlLink = rLink; }
201 : const Link& GetHookHdl() const { return aHookHdlLink; }
202 :
203 : sal_uLong GetChecksum() const;
204 : sal_uLong GetSizeBytes() const;
205 :
206 : // Methods for reading and writing the new formats;
207 : // the Read method also reads the old format
208 : SvStream& Read( SvStream& rIStm );
209 : SvStream& Write( SvStream& rOStm );
210 :
211 : // Stream-operators write (still) the old format
212 : // and read both the old and the new format
213 : friend VCL_DLLPUBLIC SvStream& ReadGDIMetaFile( SvStream& rIStm, GDIMetaFile& rGDIMetaFile );
214 : friend VCL_DLLPUBLIC SvStream& WriteGDIMetaFile( SvStream& rOStm, const GDIMetaFile& rGDIMetaFile );
215 :
216 : /// Creates an antialiased thumbnail, with maximum width or height of nMaximumExtent.
217 : bool CreateThumbnail(BitmapEx& rBmpEx, sal_uInt32 nMaximumSize = 256) const;
218 :
219 : void UseCanvas( bool _bUseCanvas );
220 0 : bool GetUseCanvas() const { return bUseCanvas; }
221 : };
222 :
223 : /** Create a special metaaction that delegates rendering to specified
224 : service.
225 :
226 : This factory function creates a MetaCommentAction that delegates
227 : rendering to the specified services, once played back in the
228 : metafile.
229 :
230 : @param rRendererServiceName
231 : Renderer service. Gets an awt::XGraphic on instantiation
232 :
233 : @param rGraphicServiceName
234 : Graphic service. Gets the raw data on instantiation
235 :
236 : @param pData
237 : Raw data. Gets copied
238 :
239 : @param nDataSize
240 : Length, in byte, of raw data
241 : */
242 : MetaCommentAction* makePluggableRendererAction( const OUString& rRendererServiceName,
243 : const OUString& rGraphicServiceName,
244 : const void* pData,
245 : sal_uInt32 nDataSize );
246 :
247 : #endif // INCLUDED_VCL_GDIMTF_HXX
248 :
249 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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