summaryrefslogtreecommitdiff
path: root/include/vcl/graph.hxx
blob: cc8df96fc68caabb50878f8aa7421bfa2383888a (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
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
/* -*- 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_GRAPH_HXX
#define INCLUDED_VCL_GRAPH_HXX

#include <memory>
#include <tools/stream.hxx>
#include <vcl/dllapi.h>
#include <tools/solar.h>
#include <rtl/ustring.hxx>
#include <vcl/bitmap.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/animate.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/gfxlink.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <vcl/vectorgraphicdata.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include <vcl/GraphicExternalLink.hxx>


enum class GraphicType
{
    NONE,
    Bitmap,
    GdiMetafile,
    Default
};

namespace com { namespace sun { namespace star { namespace graphic { class XGraphic;} } } }
namespace vcl { class Font; }

class GfxLink;
class ImpGraphic;
class OutputDevice;
class ReaderData;

class VCL_DLLPUBLIC GraphicReader
{
public:
    virtual         ~GraphicReader();

    const OUString& GetUpperFilterName() const { return maUpperName; }

    // TODO: when incompatible changes are possible again
    // the preview size hint should be redone
    void            DisablePreviewMode();
    void            SetPreviewSize( const Size& );
    Size            GetPreviewSize() const;

protected:
    OUString        maUpperName;

                    GraphicReader();
private:
    std::unique_ptr<ReaderData>   mpReaderData;
};

class VCL_DLLPUBLIC GraphicConversionParameters
{
private:
    Size const            maSizePixel;            // default is (0,0)

    bool const            mbUnlimitedSize : 1;    // default is false
    bool const            mbAntiAliase : 1;       // default is false
    bool const            mbSnapHorVerLines : 1;  // default is false

public:
    GraphicConversionParameters(
        const Size& rSizePixel = Size(),
        bool bUnlimitedSize = false,
        bool bAntiAliase = false,
        bool bSnapHorVerLines = false)
    :   maSizePixel(rSizePixel),
        mbUnlimitedSize(bUnlimitedSize),
        mbAntiAliase(bAntiAliase),
        mbSnapHorVerLines(bSnapHorVerLines)
    {
    }

    // data read access
    const Size&     getSizePixel() const { return maSizePixel; }
    bool            getUnlimitedSize() const { return mbUnlimitedSize; }
    bool            getAntiAliase() const { return mbAntiAliase; }
    bool            getSnapHorVerLines() const { return mbSnapHorVerLines; }
};

class Image;
class VCL_DLLPUBLIC Graphic
{
private:

    std::shared_ptr<ImpGraphic> mxImpGraphic;

public:

    SAL_DLLPRIVATE void ImplTestRefCount();
    SAL_DLLPRIVATE ImpGraphic* ImplGetImpGraphic() const { return mxImpGraphic.get(); }

public:
                    Graphic();
                    Graphic( const GraphicExternalLink& rGraphicLink );
                    Graphic( const Graphic& rGraphic );
                    Graphic( Graphic&& rGraphic );
                    Graphic( const Bitmap& rBmp );
                    Graphic( const Image& rImage );
                    Graphic( const BitmapEx& rBmpEx );
                    Graphic( const VectorGraphicDataPtr& rVectorGraphicDataPtr );
                    Graphic( const Animation& rAnimation );
                    Graphic( const GDIMetaFile& rMtf );
                    Graphic( const css::uno::Reference< css::graphic::XGraphic >& rxGraphic );

    Graphic&        operator=( const Graphic& rGraphic );
    Graphic&        operator=( Graphic&& rGraphic );
    bool            operator==( const Graphic& rGraphic ) const;
    bool            operator!=( const Graphic& rGraphic ) const;
    bool            operator!() const;

    operator bool() const;

    void            Clear();

    GraphicType     GetType() const;
    void            SetDefaultType();
    bool            IsSupportedGraphic() const;

    bool            IsTransparent() const;
    bool            IsAlpha() const;
    bool            IsAnimated() const;
    bool            IsEPS() const;

    bool isAvailable() const;
    bool makeAvailable();

    // #i102089# Access of Bitmap potentially will have to rasterconvert the Graphic
    // if it is a MetaFile. To be able to control this conversion it is necessary to
    // allow giving parameters which control AntiAliasing and LineSnapping of the
    // MetaFile when played. Defaults will use a no-AAed, not snapped conversion as
    // before.
    BitmapEx        GetBitmapEx(const GraphicConversionParameters& rParameters = GraphicConversionParameters()) const;
    /// Gives direct access to the contained BitmapEx.
    const BitmapEx& GetBitmapExRef() const;

    Animation       GetAnimation() const;
    const GDIMetaFile& GetGDIMetaFile() const;

    css::uno::Reference< css::graphic::XGraphic > GetXGraphic() const;

    Size            GetPrefSize() const;
    void            SetPrefSize( const Size& rPrefSize );

    MapMode         GetPrefMapMode() const;
    void            SetPrefMapMode( const MapMode& rPrefMapMode );

    basegfx::B2DSize GetPPI() const;

    Size            GetSizePixel( const OutputDevice* pRefDevice = nullptr ) const;

    sal_uLong       GetSizeBytes() const;

    void            Draw( OutputDevice* pOutDev,
                          const Point& rDestPt ) const;
    void            Draw( OutputDevice* pOutDev,
                          const Point& rDestPt,
                          const Size& rDestSize ) const;
    static void     DrawEx( OutputDevice* pOutDev, const OUString& rText,
                          vcl::Font& rFont, const BitmapEx& rBitmap,
                          const Point& rDestPt, const Size& rDestSize );

    void            StartAnimation( OutputDevice* pOutDev,
                          const Point& rDestPt,
                          const Size& rDestSize,
                          long nExtraData = 0,
                          OutputDevice* pFirstFrameOutDev = nullptr );
    void            StopAnimation( OutputDevice* pOutputDevice,
                          long nExtraData );

    void            SetAnimationNotifyHdl( const Link<Animation*,void>& rLink );
    Link<Animation*,void> GetAnimationNotifyHdl() const;

    sal_uInt32      GetAnimationLoopCount() const;

    BitmapChecksum  GetChecksum() const;

    SAL_DLLPRIVATE std::size_t getHash() const
    {
        return reinterpret_cast<std::size_t>(ImplGetImpGraphic());
    }

    OUString getOriginURL() const;
    void setOriginURL(OUString const & rOriginURL);

    OString getUniqueID() const;

public:

    std::shared_ptr<GraphicReader>& GetContext();
    void                            SetContext( const std::shared_ptr<GraphicReader> &pReader );
    void                            SetDummyContext(bool value);
    bool                            IsDummyContext();
private:
    friend class GraphicObject;

public:
    void            SetGfxLink(const std::shared_ptr<GfxLink>& rGfxLink);
    GfxLink         GetGfxLink() const;
    bool            IsGfxLink() const;

    bool            ExportNative( SvStream& rOStream ) const;

    friend VCL_DLLPUBLIC void WriteGraphic(SvStream& rOStream, const Graphic& rGraphic);
    friend VCL_DLLPUBLIC void ReadGraphic(SvStream& rIStream, Graphic& rGraphic);

public:

    const VectorGraphicDataPtr& getVectorGraphicData() const;

    void setPdfData(const std::shared_ptr<css::uno::Sequence<sal_Int8>>& rPdfData);
    const std::shared_ptr<css::uno::Sequence<sal_Int8>>& getPdfData() const;
    bool hasPdfData() const;

    /// Set the page number of the multi-page source this Graphic is rendered from.
    void setPageNumber(sal_Int32 nPageNumber);
    /// Get the page number of the multi-page source this Graphic is rendered from.
    sal_Int32 getPageNumber() const;

    static css::uno::Sequence<sal_Int8> getUnoTunnelId();
};

namespace std {

template <>
struct hash<Graphic>
{
    std::size_t operator()(Graphic const & rGraphic) const
    {
        return rGraphic.getHash();
    }
};

} // end namespace std

#endif // INCLUDED_VCL_GRAPH_HXX

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