Line data Source code
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 <vcl/bitmap.hxx>
28 : #include <vector>
29 :
30 : class OutputDevice;
31 : class MetaAction;
32 : class MetaCommentAction;
33 : class SvStream;
34 : class Color;
35 : class BitmapEx;
36 : class Polygon;
37 : namespace tools { class PolyPolygon; }
38 : class Gradient;
39 :
40 :
41 : // - GDIMetaFile-Types -
42 :
43 :
44 : #define GDI_METAFILE_END ((size_t)0xFFFFFFFF)
45 : #define GDI_METAFILE_LABEL_NOTFOUND ((size_t)0xFFFFFFFF)
46 :
47 : #ifndef METAFILE_END
48 : #define METAFILE_END GDI_METAFILE_END
49 : #endif
50 :
51 : #ifndef METAFILE_LABEL_NOTFOUND
52 : #define METAFILE_LABEL_NOTFOUND GDI_METAFILE_LABEL_NOTFOUND
53 : #endif
54 :
55 : #define MTF_MIRROR_NONE 0x00000000UL
56 : #define MTF_MIRROR_HORZ 0x00000001UL
57 : #define MTF_MIRROR_VERT 0x00000002UL
58 :
59 : enum MtfConversion
60 : {
61 : MTF_CONVERSION_NONE = 0,
62 : MTF_CONVERSION_1BIT_THRESHOLD = 1,
63 : MTF_CONVERSION_8BIT_GREYS = 2
64 : };
65 :
66 :
67 : // - Color conversion routines -
68 :
69 :
70 : typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
71 : typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );
72 :
73 : class VCL_DLLPUBLIC GDIMetaFile
74 : {
75 : private:
76 : ::std::vector< MetaAction* > aList;
77 : size_t nCurrentActionElement;
78 :
79 : MapMode aPrefMapMode;
80 : Size aPrefSize;
81 : Link aHookHdlLink;
82 : GDIMetaFile* pPrev;
83 : GDIMetaFile* pNext;
84 : OutputDevice* pOutDev;
85 : bool bPause;
86 : bool bRecord;
87 : bool bUseCanvas;
88 :
89 :
90 : SAL_DLLPRIVATE static Color ImplColAdjustFnc( const Color& rColor, const void* pColParam );
91 : SAL_DLLPRIVATE static BitmapEx ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
92 :
93 : SAL_DLLPRIVATE static Color ImplColConvertFnc( const Color& rColor, const void* pColParam );
94 : SAL_DLLPRIVATE static BitmapEx ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
95 :
96 : SAL_DLLPRIVATE static Color ImplColMonoFnc( const Color& rColor, const void* pColParam );
97 : SAL_DLLPRIVATE static BitmapEx ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
98 :
99 : SAL_DLLPRIVATE static Color ImplColReplaceFnc( const Color& rColor, const void* pColParam );
100 : SAL_DLLPRIVATE static BitmapEx ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );
101 :
102 : SAL_DLLPRIVATE void ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
103 : BmpExchangeFnc pFncBmp, const void* pBmpParam );
104 :
105 : SAL_DLLPRIVATE Point ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
106 : const Size& rOffset, double fSin, double fCos );
107 : SAL_DLLPRIVATE Polygon ImplGetRotatedPolygon( const Polygon& rPoly, const Point& rRotatePt,
108 : const Size& rOffset, double fSin, double fCos );
109 : SAL_DLLPRIVATE tools::PolyPolygon ImplGetRotatedPolyPolygon( const tools::PolyPolygon& rPoly, const Point& rRotatePt,
110 : const Size& rOffset, double fSin, double fCos );
111 : SAL_DLLPRIVATE void ImplAddGradientEx( GDIMetaFile& rMtf,
112 : const OutputDevice& rMapDev,
113 : const tools::PolyPolygon& rPolyPoly,
114 : const Gradient& rGrad );
115 : SAL_DLLPRIVATE bool ImplPlayWithRenderer( OutputDevice* pOut, const Point& rPos, Size rLogicDestSize );
116 : SAL_DLLPRIVATE void ImplDelegate2PluggableRenderer( const MetaCommentAction* pAct, OutputDevice* pOut );
117 :
118 :
119 : protected:
120 :
121 : virtual void Linker( OutputDevice* pOut, bool bLink );
122 : virtual long Hook();
123 :
124 : public:
125 : GDIMetaFile();
126 : GDIMetaFile( const GDIMetaFile& rMtf );
127 : virtual ~GDIMetaFile();
128 :
129 : GDIMetaFile& operator=( const GDIMetaFile& rMtf );
130 : bool operator==( const GDIMetaFile& rMtf ) const;
131 : bool operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }
132 :
133 : void Clear();
134 : bool Mirror( sal_uLong nMirrorFlags );
135 : void Move( long nX, long nY );
136 : // additional Move method getting specifics how to handle MapMode( MAP_PIXEL )
137 : void Move( long nX, long nY, long nDPIX, long nDPIY );
138 : void Scale( double fScaleX, double fScaleY );
139 : void Scale( const Fraction& rScaleX, const Fraction& rScaleY );
140 : void Rotate( long nAngle10 );
141 : void Clip( const Rectangle& );
142 : /* get the bound rect of the contained actions
143 : * caveats:
144 : * - clip actions will limit the contained actions,
145 : * but the current clipregion of the passed OutputDevice will not
146 : * - coordinates of actions will be transformed to preferred mapmode
147 : * - the returned rectangle is relative to the preferred mapmode of the metafile
148 : */
149 : Rectangle GetBoundRect( OutputDevice& i_rReference, Rectangle* pHairline = 0 ) const;
150 :
151 : void Adjust( short nLuminancePercent = 0, short nContrastPercent = 0,
152 : short nChannelRPercent = 0, short nChannelGPercent = 0,
153 : short nChannelBPercent = 0, double fGamma = 1.0,
154 : bool bInvert = false, bool msoBrightness = false
155 : );
156 :
157 : void Convert( MtfConversion eConversion );
158 : void ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
159 : sal_uLong nColorCount, sal_uLong* pTols = NULL );
160 :
161 : GDIMetaFile GetMonochromeMtf( const Color& rCol ) const;
162 :
163 : void Record( OutputDevice* pOutDev );
164 16124 : bool IsRecord() const { return bRecord; }
165 :
166 : void Play( GDIMetaFile& rMtf, size_t nPos = GDI_METAFILE_END );
167 : void Play( OutputDevice* pOutDev, size_t nPos = GDI_METAFILE_END );
168 : void Play( OutputDevice* pOutDev, const Point& rPos,
169 : const Size& rSize, size_t nPos = GDI_METAFILE_END );
170 :
171 : void Pause( bool bPause );
172 6226 : bool IsPause() const { return bPause; }
173 :
174 : void Stop();
175 :
176 : void WindStart();
177 : void WindPrev();
178 :
179 : size_t GetActionSize() const;
180 :
181 : void AddAction( MetaAction* pAction );
182 : void AddAction( MetaAction* pAction, size_t nPos );
183 : void RemoveAction( size_t nPos );
184 : void push_back( MetaAction* pAction );
185 :
186 : MetaAction* FirstAction();
187 : MetaAction* NextAction();
188 : MetaAction* GetAction( size_t nAction ) const;
189 6969 : MetaAction* GetCurAction() const { return GetAction( nCurrentActionElement ); }
190 : /**
191 : * @param pAction takes ownership
192 : */
193 : MetaAction* ReplaceAction( MetaAction* pAction, size_t nAction );
194 :
195 10839 : const Size& GetPrefSize() const { return aPrefSize; }
196 13393 : void SetPrefSize( const Size& rSize ) { aPrefSize = rSize; }
197 :
198 14562 : const MapMode& GetPrefMapMode() const { return aPrefMapMode; }
199 13393 : void SetPrefMapMode( const MapMode& rMapMode ) { aPrefMapMode = rMapMode; }
200 :
201 : void SetHookHdl( const Link& rLink ) { aHookHdlLink = rLink; }
202 : const Link& GetHookHdl() const { return aHookHdlLink; }
203 :
204 : sal_uLong GetChecksum() const;
205 : sal_uLong GetSizeBytes() const;
206 :
207 : // Methods for reading and writing the new formats;
208 : // the Read method also reads the old format
209 : SvStream& Read( SvStream& rIStm );
210 : SvStream& Write( SvStream& rOStm );
211 :
212 : // Stream-operators write (still) the old format
213 : // and read both the old and the new format
214 : friend VCL_DLLPUBLIC SvStream& ReadGDIMetaFile( SvStream& rIStm, GDIMetaFile& rGDIMetaFile );
215 : friend VCL_DLLPUBLIC SvStream& WriteGDIMetaFile( SvStream& rOStm, const GDIMetaFile& rGDIMetaFile );
216 :
217 : /// Creates an antialiased thumbnail, with maximum width or height of nMaximumExtent.
218 : bool CreateThumbnail(BitmapEx& rBitmapEx,
219 : sal_uInt32 nMaximumExtent = 256,
220 : BmpConversion nColorConversion = BMP_CONVERSION_24BIT,
221 : long nScaleFlag = BMP_SCALE_BESTQUALITY) const;
222 :
223 : void UseCanvas( bool _bUseCanvas );
224 238 : bool GetUseCanvas() const { return bUseCanvas; }
225 : };
226 :
227 : /** Create a special metaaction that delegates rendering to specified
228 : service.
229 :
230 : This factory function creates a MetaCommentAction that delegates
231 : rendering to the specified services, once played back in the
232 : metafile.
233 :
234 : @param rRendererServiceName
235 : Renderer service. Gets an awt::XGraphic on instantiation
236 :
237 : @param rGraphicServiceName
238 : Graphic service. Gets the raw data on instantiation
239 :
240 : @param pData
241 : Raw data. Gets copied
242 :
243 : @param nDataSize
244 : Length, in byte, of raw data
245 : */
246 : MetaCommentAction* makePluggableRendererAction( const OUString& rRendererServiceName,
247 : const OUString& rGraphicServiceName,
248 : const void* pData,
249 : sal_uInt32 nDataSize );
250 :
251 : #endif // INCLUDED_VCL_GDIMTF_HXX
252 :
253 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
