summaryrefslogtreecommitdiff
path: root/svx/source/svdraw/svdpdf.hxx
blob: 4b2fba1bf8cdccda534d21a5c78b3c5cda2a3e50 (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
/* -*- 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_SVX_SOURCE_SVDRAW_SVDPDF_HXX
#define INCLUDED_SVX_SOURCE_SVDRAW_SVDPDF_HXX

#include <sal/config.h>

#include <memory>

#include <tools/contnr.hxx>
#include <tools/fract.hxx>
#include <vcl/metaact.hxx>
#include <vcl/virdev.hxx>
#include <svx/svdobj.hxx>
#include <svx/xdash.hxx>
#include <com/sun/star/uno/Sequence.hxx>

// Forward Declarations

class SfxItemSet;
class SdrObjList;
class SdrModel;
class SdrPage;
class SdrObject;
class SvdProgressInfo;
typedef void* FPDF_DOCUMENT;
typedef void* FPDF_PAGEOBJECT;  // (text, path, etc.)
typedef void* FPDF_TEXTPAGE;

// Helper Class to import PDF
class ImpSdrPdfImport final
{
    class Matrix
    {
    public:
        Matrix()
            : Matrix(1, 0, 0, 1, 0, 0)
        {
        }

        Matrix(const Matrix& other)
            : Matrix(other.ma, other.mb, other.mc, other.md, other.me, other.mf)
        {
        }

        Matrix(double a, double b, double c, double d, double e, double f)
            : ma(a)
            , mb(b)
            , mc(c)
            , md(d)
            , me(e)
            , mf(f)
        {
        }

        const Matrix& operator=(const Matrix& other)
        {
            ma = other.ma;
            mb = other.mb;
            mc = other.mc;
            md = other.md;
            me = other.me;
            mf = other.mf;
            return *this;
        }

        double a() const { return ma; }
        double b() const { return mb; }
        double c() const { return mc; }
        double d() const { return md; }
        double e() const { return me; }
        double f() const { return mf; }
        /// Mutliply this * other.
        void Concatinate(const Matrix& other)
        {
            ma = ma * other.ma + mb * other.mc;
            mb = ma * other.mb + mb * other.md;
            mc = mc * other.ma + md * other.mc;
            md = mc * other.mb + md * other.md;
            me = me * other.ma + mf * other.mc + other.me;
            mf = me * other.mb + mf * other.md + other.mf;
        }

        /// Transform the point (x, y) by this Matrix.
        void Transform(double& x, double& y)
        {
            x = ma * x + mc * y + me;
            y = mb * x + md * y + mf;
        }

    private:
        double ma, mb, mc, md, me, mf;
    };

    ::std::vector<SdrObject*> maTmpList;
    ScopedVclPtr<VirtualDevice> mpVD;
    tools::Rectangle maScaleRect;
    const std::shared_ptr<css::uno::Sequence<sal_Int8>> mpPdfData;
    size_t mnMapScalingOfs; // from here on, not edited with MapScaling
    std::unique_ptr<SfxItemSet> mpLineAttr;
    std::unique_ptr<SfxItemSet> mpFillAttr;
    std::unique_ptr<SfxItemSet> mpTextAttr;
    SdrModel* mpModel;
    SdrLayerID mnLayer;
    Color maOldLineColor;
    sal_Int32 mnLineWidth;
    basegfx::B2DLineJoin maLineJoin;
    css::drawing::LineCap maLineCap;
    XDash maDash;

    bool mbMov;
    bool mbSize;
    Point maOfs;
    double mfScaleX;
    double mfScaleY;
    Fraction maScaleX;
    Fraction maScaleY;

    bool mbFntDirty;

    // to optimize (PenNULL,Brush,DrawPoly),(Pen,BrushNULL,DrawPoly) -> two-in-one
    bool mbLastObjWasPolyWithoutLine;
    bool mbNoLine;
    bool mbNoFill;

    // to optimize multiple lines into a Polyline
    bool mbLastObjWasLine;

    // clipregion
    basegfx::B2DPolyPolygon maClip;

    FPDF_DOCUMENT mpPdfDocument;
    int mnPageCount;
    double mdPageWidthPts;
    double mdPageHeightPts;
    /// The current transformation matrix, typically used with Form objects.
    Matrix mCurMatrix;

    /// Correct the vertical coordinate to start at the top.
    /// PDF coordinate system has orign at the bottom right.
    double correctVertOrigin(double offsetPts) const { return mdPageHeightPts - offsetPts; }
    /// Convert PDF points to logic (twips).
    tools::Rectangle PointsToLogic(double left, double right, double top, double bottom) const;
    Point PointsToLogic(double x, double y) const;

    // check for clip and evtl. fill maClip
    void checkClip();
    bool isClip() const;

    void ImportPdfObject(FPDF_PAGEOBJECT pPageObject, FPDF_TEXTPAGE pTextPage,
                         int nPageObjectIndex);
    void ImportForm(FPDF_PAGEOBJECT pPageObject, FPDF_TEXTPAGE pTextPage, int nPageObjectIndex);
    void ImportImage(FPDF_PAGEOBJECT pPageObject, int nPageObjectIndex);
    void ImportPath(FPDF_PAGEOBJECT pPageObject, int nPageObjectIndex);
    void ImportText(FPDF_PAGEOBJECT pPageObject, FPDF_TEXTPAGE pTextPage, int nPageObjectIndex);
    void ImportText(const Point& rPos, const Size& rSize, const OUString& rStr);

    void SetupPageScale(const double dPageWidth, const double dPageHeight);
    void SetAttributes(SdrObject* pObj, bool bForceTextAttr = false);
    void InsertObj(SdrObject* pObj, bool bScale = true);
    void MapScaling();

    // #i73407# reformulation to use new B2DPolygon classes
    bool CheckLastLineMerge(const basegfx::B2DPolygon& rSrcPoly);
    bool CheckLastPolyLineAndFillMerge(const basegfx::B2DPolyPolygon& rPolyPolygon);

    void DoLoopActions(SvdProgressInfo* pProgrInfo, sal_uInt32* pActionsToReport, int nPageIndex);

    // Copy assignment is forbidden and not implemented.
    ImpSdrPdfImport(const ImpSdrPdfImport&) = delete;
    ImpSdrPdfImport& operator=(const ImpSdrPdfImport&) = delete;

public:
    ImpSdrPdfImport(SdrModel& rModel, SdrLayerID nLay, const tools::Rectangle& rRect,
                    const std::shared_ptr<css::uno::Sequence<sal_Int8>>& pPdfData);
    ~ImpSdrPdfImport();

    int GetPageCount() const { return mnPageCount; }
    size_t DoImport(SdrObjList& rDestList, size_t nInsPos, int nPageNumber,
                    SvdProgressInfo* pProgrInfo = nullptr);
};

#endif // INCLUDED_SVX_SOURCE_SVDRAW_SVDFMTF_HXX

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