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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 _SV_GDIMTF_HXX
21 : #define _SV_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 : // -----------
55 : // - Defines -
56 : // -----------
57 :
58 : #define MTF_MIRROR_NONE 0x00000000UL
59 : #define MTF_MIRROR_HORZ 0x00000001UL
60 : #define MTF_MIRROR_VERT 0x00000002UL
61 :
62 : // ---------
63 : // - Enums -
64 : // ---------
65 :
66 : enum MtfConversion
67 : {
68 : MTF_CONVERSION_NONE = 0,
69 : MTF_CONVERSION_1BIT_THRESHOLD = 1,
70 : MTF_CONVERSION_8BIT_GREYS = 2
71 : };
72 :
73 : // -----------------------------
74 : // - Color conversion routines -
75 : // -----------------------------
76 :
77 : typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
78 : typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );
79 :
80 :
81 : // ---------------
82 : // - GDIMetaFile -
83 : // ---------------
84 :
85 : class VCL_DLLPUBLIC GDIMetaFile
86 : {
87 : private:
88 : ::std::vector< MetaAction* > aList;
89 : size_t nCurrentActionElement;
90 :
91 : MapMode aPrefMapMode;
92 : Size aPrefSize;
93 : Link aHookHdlLink;
94 : GDIMetaFile* pPrev;
95 : GDIMetaFile* pNext;
96 : OutputDevice* pOutDev;
97 : sal_Bool bPause;
98 : sal_Bool bRecord;
99 : sal_Bool bUseCanvas;
100 :
101 :
102 : SAL_DLLPRIVATE static Color ImplColAdjustFnc( const Color& rColor, const void* pColParam );
103 : SAL_DLLPRIVATE static BitmapEx ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
104 :
105 : SAL_DLLPRIVATE static Color ImplColConvertFnc( const Color& rColor, const void* pColParam );
106 : SAL_DLLPRIVATE static BitmapEx ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
107 :
108 : SAL_DLLPRIVATE static Color ImplColMonoFnc( const Color& rColor, const void* pColParam );
109 : SAL_DLLPRIVATE static BitmapEx ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
110 :
111 : SAL_DLLPRIVATE static Color ImplColReplaceFnc( const Color& rColor, const void* pColParam );
112 : SAL_DLLPRIVATE static BitmapEx ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
113 :
114 : SAL_DLLPRIVATE void ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
115 : BmpExchangeFnc pFncBmp, const void* pBmpParam );
116 :
117 : SAL_DLLPRIVATE Point ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
118 : const Size& rOffset, double fSin, double fCos );
119 : SAL_DLLPRIVATE Polygon ImplGetRotatedPolygon( const Polygon& rPoly, const Point& rRotatePt,
120 : const Size& rOffset, double fSin, double fCos );
121 : SAL_DLLPRIVATE PolyPolygon ImplGetRotatedPolyPolygon( const PolyPolygon& rPoly, const Point& rRotatePt,
122 : const Size& rOffset, double fSin, double fCos );
123 : SAL_DLLPRIVATE void ImplAddGradientEx( GDIMetaFile& rMtf,
124 : const OutputDevice& rMapDev,
125 : const PolyPolygon& rPolyPoly,
126 : const Gradient& rGrad );
127 : SAL_DLLPRIVATE bool ImplPlayWithRenderer( OutputDevice* pOut, const Point& rPos, Size rDestSize );
128 : SAL_DLLPRIVATE void ImplDelegate2PluggableRenderer( const MetaCommentAction* pAct, OutputDevice* pOut );
129 :
130 :
131 : protected:
132 :
133 : virtual void Linker( OutputDevice* pOut, sal_Bool bLink );
134 : virtual long Hook();
135 :
136 : public:
137 : GDIMetaFile();
138 : GDIMetaFile( const GDIMetaFile& rMtf );
139 : virtual ~GDIMetaFile();
140 :
141 : GDIMetaFile& operator=( const GDIMetaFile& rMtf );
142 : sal_Bool operator==( const GDIMetaFile& rMtf ) const;
143 : sal_Bool operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }
144 :
145 : void Clear();
146 : sal_Bool Mirror( sal_uLong nMirrorFlags );
147 : void Move( long nX, long nY );
148 : // additional Move method getting specifics how to handle MapMode( MAP_PIXEL )
149 : void Move( long nX, long nY, long nDPIX, long nDPIY );
150 : void Scale( double fScaleX, double fScaleY );
151 : void Scale( const Fraction& rScaleX, const Fraction& rScaleY );
152 : void Rotate( long nAngle10 );
153 : void Clip( const Rectangle& );
154 : /* get the bound rect of the contained actions
155 : * caveats:
156 : * - clip actions will limit the contained actions,
157 : * but the current clipregion of the passed OutputDevice will not
158 : * - coordinates of actions will be transformed to preferred mapmode
159 : * - the returned rectangle is relative to the preferred mapmode of the metafile
160 : */
161 : Rectangle GetBoundRect( OutputDevice& i_rReference, Rectangle* pHairline = 0 ) const;
162 :
163 : void Adjust( short nLuminancePercent = 0, short nContrastPercent = 0,
164 : short nChannelRPercent = 0, short nChannelGPercent = 0,
165 : short nChannelBPercent = 0, double fGamma = 1.0,
166 : sal_Bool bInvert = sal_False
167 : );
168 :
169 : void Convert( MtfConversion eConversion );
170 : void ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
171 : sal_uLong nColorCount, sal_uLong* pTols = NULL );
172 :
173 : GDIMetaFile GetMonochromeMtf( const Color& rCol ) const;
174 :
175 : void Record( OutputDevice* pOutDev );
176 2329 : sal_Bool IsRecord() const { return bRecord; }
177 :
178 : void Play( GDIMetaFile& rMtf, size_t nPos = GDI_METAFILE_END );
179 : void Play( OutputDevice* pOutDev, size_t nPos = GDI_METAFILE_END );
180 : void Play( OutputDevice* pOutDev, const Point& rPos,
181 : const Size& rSize, size_t nPos = GDI_METAFILE_END );
182 :
183 : void Pause( sal_Bool bPause );
184 38 : sal_Bool IsPause() const { return bPause; }
185 :
186 : void Stop();
187 :
188 : void WindStart();
189 : void WindPrev();
190 :
191 : size_t GetActionSize() const;
192 :
193 : void AddAction( MetaAction* pAction );
194 : void AddAction( MetaAction* pAction, size_t nPos );
195 : void RemoveAction( size_t nPos );
196 : void push_back( MetaAction* pAction );
197 :
198 : MetaAction* FirstAction();
199 : MetaAction* NextAction();
200 : MetaAction* GetAction( size_t nAction ) const;
201 172 : MetaAction* GetCurAction() const { return GetAction( nCurrentActionElement ); }
202 : MetaAction* ReplaceAction( MetaAction* pAction, size_t nAction );
203 :
204 521 : const Size& GetPrefSize() const { return aPrefSize; }
205 2362 : void SetPrefSize( const Size& rSize ) { aPrefSize = rSize; }
206 :
207 469 : const MapMode& GetPrefMapMode() const { return aPrefMapMode; }
208 2361 : void SetPrefMapMode( const MapMode& rMapMode ) { aPrefMapMode = rMapMode; }
209 :
210 : void SetHookHdl( const Link& rLink ) { aHookHdlLink = rLink; }
211 : const Link& GetHookHdl() const { return aHookHdlLink; }
212 :
213 : sal_uLong GetChecksum() const;
214 : sal_uLong GetSizeBytes() const;
215 :
216 : // Methods for reading and writing the new formats;
217 : // the Read method also reads the old format
218 : SvStream& Read( SvStream& rIStm );
219 : SvStream& Write( SvStream& rOStm );
220 :
221 : // Stream-operators write (still) the old format
222 : // and read both the old and the new format
223 : friend VCL_DLLPUBLIC SvStream& operator>>( SvStream& rIStm, GDIMetaFile& rGDIMetaFile );
224 : friend VCL_DLLPUBLIC SvStream& operator<<( SvStream& rOStm, const GDIMetaFile& rGDIMetaFile );
225 :
226 : sal_Bool CreateThumbnail( sal_uInt32 nMaximumExtent, BitmapEx& rBmpEx, const BitmapEx* pOverlay = NULL, const Rectangle* pOverlayRect = NULL ) const;
227 :
228 : void UseCanvas( sal_Bool _bUseCanvas );
229 1 : sal_Bool GetUseCanvas() const { return bUseCanvas; }
230 : };
231 :
232 : /** Create a special metaaction that delegates rendering to specified
233 : service.
234 :
235 : This factory function creates a MetaCommentAction that delegates
236 : rendering to the specified services, once played back in the
237 : metafile.
238 :
239 : @param rRendererServiceName
240 : Renderer service. Gets an awt::XGraphic on instantiation
241 :
242 : @param rGraphicServiceName
243 : Graphic service. Gets the raw data on instantiation
244 :
245 : @param pData
246 : Raw data. Gets copied
247 :
248 : @param nDataSize
249 : Length, in byte, of raw data
250 : */
251 : MetaCommentAction* makePluggableRendererAction( const rtl::OUString& rRendererServiceName,
252 : const rtl::OUString& rGraphicServiceName,
253 : const void* pData,
254 : sal_uInt32 nDataSize );
255 :
256 : #endif // _SV_GDIMTF_HXX
257 :
258 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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