summaryrefslogtreecommitdiffstats
path: root/include/vcl/gdimtf.hxx
blob: 63bde564dcfd3e2f6fab2df441a2ef99e76f4c8b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_VCL_GDIMTF_HXX
#define INCLUDED_VCL_GDIMTF_HXX

#include <vcl/dllapi.h>
#include <tools/gen.hxx>
#include <tools/solar.h>
#include <vcl/mapmod.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/vclptr.hxx>
#include <vector>

class OutputDevice;
class MetaAction;
class SvStream;
class Color;
class BitmapEx;
namespace tools {
    class Polygon;
    class PolyPolygon;
}
class Gradient;
struct ImplMetaReadData;

#define GDI_METAFILE_END                (size_t(0xFFFFFFFF))

enum class MtfConversion
{
    N1BitThreshold,
    N8BitGreys
};


typedef Color (*ColorExchangeFnc)( const Color& rColor, const void* pColParam );
typedef BitmapEx (*BmpExchangeFnc)( const BitmapEx& rBmpEx, const void* pBmpParam );

class VCL_DLLPUBLIC GDIMetaFile final
{
private:
    ::std::vector< rtl::Reference<MetaAction> > m_aList;
    size_t          m_nCurrentActionElement;

    MapMode         m_aPrefMapMode;
    Size            m_aPrefSize;
    GDIMetaFile*    m_pPrev;
    GDIMetaFile*    m_pNext;
    VclPtr<OutputDevice> m_pOutDev;
    bool            m_bPause;
    bool            m_bRecord;
    bool            m_bUseCanvas;

    // tdf#155479 need to know if it's SVG export
    bool            m_bSVG;


    SAL_DLLPRIVATE static Color         ImplColAdjustFnc( const Color& rColor, const void* pColParam );
    SAL_DLLPRIVATE static BitmapEx      ImplBmpAdjustFnc( const BitmapEx& rBmpEx, const void* pBmpParam );

    SAL_DLLPRIVATE static Color         ImplColConvertFnc( const Color& rColor, const void* pColParam );
    SAL_DLLPRIVATE static BitmapEx      ImplBmpConvertFnc( const BitmapEx& rBmpEx, const void* pBmpParam );

    SAL_DLLPRIVATE static Color         ImplColMonoFnc( const Color& rColor, const void* pColParam );
    SAL_DLLPRIVATE static BitmapEx      ImplBmpMonoFnc( const BitmapEx& rBmpEx, const void* pBmpParam );

    SAL_DLLPRIVATE static Color         ImplColReplaceFnc( const Color& rColor, const void* pColParam );
    SAL_DLLPRIVATE static BitmapEx      ImplBmpReplaceFnc( const BitmapEx& rBmpEx, const void* pBmpParam );

    SAL_DLLPRIVATE void                 ImplExchangeColors( ColorExchangeFnc pFncCol, const void* pColParam,
                                                            BmpExchangeFnc pFncBmp, const void* pBmpParam );

    SAL_DLLPRIVATE static Point         ImplGetRotatedPoint( const Point& rPt, const Point& rRotatePt,
                                                             const Size& rOffset, double fSin, double fCos );
    SAL_DLLPRIVATE static tools::Polygon ImplGetRotatedPolygon( const tools::Polygon& rPoly, const Point& rRotatePt,
                                                               const Size& rOffset, double fSin, double fCos );
    SAL_DLLPRIVATE static tools::PolyPolygon ImplGetRotatedPolyPolygon( const tools::PolyPolygon& rPoly, const Point& rRotatePt,
                                                                   const Size& rOffset, double fSin, double fCos );
    SAL_DLLPRIVATE static void          ImplAddGradientEx( GDIMetaFile& rMtf,
                                                           const OutputDevice& rMapDev,
                                                           const tools::PolyPolygon& rPolyPoly,
                                                           const Gradient& rGrad );

    SAL_DLLPRIVATE bool                 ImplPlayWithRenderer(OutputDevice& rOut, const Point& rPos, Size rLogicDestSize);

    void                                Linker( OutputDevice* pOut, bool bLink );

public:
                    GDIMetaFile();
                    GDIMetaFile( const GDIMetaFile& rMtf );
                    ~GDIMetaFile();

    GDIMetaFile&    operator=( const GDIMetaFile& rMtf );
    bool            operator==( const GDIMetaFile& rMtf ) const;
    bool            operator!=( const GDIMetaFile& rMtf ) const { return !( *this == rMtf ); }

    void            Clear();
    void            Mirror( BmpMirrorFlags nMirrorFlags );
    void            Move( tools::Long nX, tools::Long nY );
    // additional Move method getting specifics how to handle MapMode( MapUnit::MapPixel )
    void            Move( tools::Long nX, tools::Long nY, tools::Long nDPIX, tools::Long nDPIY );
    void            ScaleActions(double fScaleX, double fScaleY);
    void            Scale( double fScaleX, double fScaleY );
    void            Scale( const Fraction& rScaleX, const Fraction& rScaleY );
    void            Rotate( Degree10 nAngle10 );
    void            Clip( const tools::Rectangle& );
    bool            HasTransparentActions() const;

    /* get the bound rect of the contained actions
     * caveats:
     * - clip actions will limit the contained actions,
     *   but the current clipregion of the passed OutputDevice will not
     * - coordinates of actions will be transformed to preferred mapmode
     * - the returned rectangle is relative to the preferred mapmode of the metafile
    */
    tools::Rectangle       GetBoundRect( OutputDevice& i_rReference ) const;

    void            Adjust( short nLuminancePercent, short nContrastPercent,
                            short nChannelRPercent = 0,  short nChannelGPercent = 0,
                            short nChannelBPercent = 0,  double fGamma = 1.0,
                            bool bInvert = false, bool msoBrightness = false );

    void            Convert( MtfConversion eConversion );
    void            ReplaceColors( const Color* pSearchColors, const Color* rReplaceColors,
                                   sal_uLong nColorCount );

    GDIMetaFile     GetMonochromeMtf( const Color& rCol ) const;

    void            Record( OutputDevice* pOutDev );
    bool            IsRecord() const { return m_bRecord; }

    void            Play(GDIMetaFile& rMtf);
    void            Play(OutputDevice& rOutDev, size_t nPos = GDI_METAFILE_END);
    void            Play(OutputDevice& rOutDev, const Point& rPos, const Size& rSize);

    void            Pause( bool bPause );
    bool            IsPause() const { return m_bPause; }

    void            Stop();

    void            WindStart();
    void            WindPrev();

    size_t          GetActionSize() const;

    void            AddAction(const rtl::Reference<MetaAction>& pAction);
    void            AddAction(const rtl::Reference<MetaAction>& pAction, size_t nPos);
    void            push_back(const rtl::Reference<MetaAction>& pAction);
    /**
     * @param pAction takes ownership
     * @param nAction the action to replace
     */
    void ReplaceAction( rtl::Reference<MetaAction> pAction, size_t nAction );

    MetaAction*     FirstAction();
    MetaAction*     NextAction();
    MetaAction*     GetAction( size_t nAction ) const;
    MetaAction*     GetCurAction() const { return GetAction( m_nCurrentActionElement ); }

    const Size&     GetPrefSize() const { return m_aPrefSize; }
    void            SetPrefSize( const Size& rSize ) { m_aPrefSize = rSize; }

    const MapMode&  GetPrefMapMode() const { return m_aPrefMapMode; }
    void            SetPrefMapMode( const MapMode& rMapMode ) { m_aPrefMapMode = rMapMode; }


    sal_uLong       GetSizeBytes() const;

    /// Creates an antialiased thumbnail
    bool            CreateThumbnail(BitmapEx& rBitmapEx,
                                    BmpConversion nColorConversion = BmpConversion::N24Bit,
                                    BmpScaleFlag nScaleFlag = BmpScaleFlag::BestQuality) const;

    void            UseCanvas( bool _bUseCanvas );
    bool            GetUseCanvas() const { return m_bUseCanvas; }

    // tdf#155479
    bool getSVG() const { return m_bSVG; }
    void setSVG(bool bNew) { m_bSVG = bNew; }

    /// Dumps the meta actions as XML in metafile.xml.
    void dumpAsXml(const char* pFileName = nullptr) const;
};

#endif // INCLUDED_VCL_GDIMTF_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */