summaryrefslogtreecommitdiff
path: root/drawinglayer/source/processor2d/linegeometryextractor2d.cxx
blob: 6eac340a7aabf59a5d0d07a7c7e99c8e279c94ca (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
/*************************************************************************
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * Copyright 2000, 2010 Oracle and/or its affiliates.
 *
 * OpenOffice.org - a multi-platform office productivity suite
 *
 * This file is part of OpenOffice.org.
 *
 * OpenOffice.org is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License version 3
 * only, as published by the Free Software Foundation.
 *
 * OpenOffice.org is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License version 3 for more details
 * (a copy is included in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU Lesser General Public License
 * version 3 along with OpenOffice.org.  If not, see
 * <http://www.openoffice.org/license.html>
 * for a copy of the LGPLv3 License.
 *
 ************************************************************************/

// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"

#include <drawinglayer/processor2d/linegeometryextractor2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

//////////////////////////////////////////////////////////////////////////////

using namespace com::sun::star;

//////////////////////////////////////////////////////////////////////////////

namespace drawinglayer
{
    namespace processor2d
    {
        LineGeometryExtractor2D::LineGeometryExtractor2D(const geometry::ViewInformation2D& rViewInformation)
        :   BaseProcessor2D(rViewInformation),
            maExtractedHairlines(),
            maExtractedLineFills(),
            mbInLineGeometry(false)
        {
        }

        LineGeometryExtractor2D::~LineGeometryExtractor2D()
        {
        }

        void LineGeometryExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
        {
            switch(rCandidate.getPrimitive2DID())
            {
                case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
                case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
                {
                    // enter a line geometry group (with or without LineEnds)
                    bool bOldState(mbInLineGeometry);
                    mbInLineGeometry = true;
                    process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    mbInLineGeometry = bOldState;
                    break;
                }
                case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
                {
                    if(mbInLineGeometry)
                    {
                        // extract hairline line geometry in world coordinates
                        const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
                        basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
                        aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
                        maExtractedHairlines.push_back(aLocalPolygon);
                    }
                    break;
                }
                case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
                {
                    if(mbInLineGeometry)
                    {
                        // extract filled line geometry (line with width)
                        const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
                        basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
                        aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
                        maExtractedLineFills.push_back(aLocalPolyPolygon);
                    }
                    break;
                }
                case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
                {
                    // remember current transformation and ViewInformation
                    const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
                    const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());

                    // create new transformations for CurrentTransformation and for local ViewInformation2D
                    const geometry::ViewInformation2D aViewInformation2D(
                        getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
                        getViewInformation2D().getViewTransformation(),
                        getViewInformation2D().getViewport(),
                        getViewInformation2D().getVisualizedPage(),
                        getViewInformation2D().getViewTime(),
                        getViewInformation2D().getExtendedInformationSequence());
                    updateViewInformation(aViewInformation2D);

                    // proccess content
                    process(rTransformCandidate.getChildren());

                    // restore transformations
                    updateViewInformation(aLastViewInformation2D);

                    break;
                }
                case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
                case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
                case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
                case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
                case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
                case PRIMITIVE2D_ID_RENDERGRAPHICPRIMITIVE2D :
                case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
                case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
                {
                    // ignorable primitives
                    break;
                }
                default :
                {
                    // process recursively
                    process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    break;
                }
            }
        }
    } // end of namespace processor2d
} // end of namespace drawinglayer

//////////////////////////////////////////////////////////////////////////////
// eof