summaryrefslogtreecommitdiff
path: root/drawinglayer/source/processor2d/textaspolygonextractor2d.cxx
blob: b9ad8337392307d0fd28a94d9874bdb8ff4544c1 (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
/*************************************************************************
 *
 * 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/textaspolygonextractor2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>

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

namespace drawinglayer
{
    namespace processor2d
    {
        void TextAsPolygonExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
        {
            switch(rCandidate.getPrimitive2DID())
            {
                case PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D :
                {
                    // TextDecoratedPortionPrimitive2D can produce the following primitives
                    // when being decomposed:
                    //
                    // - TextSimplePortionPrimitive2D
                    // - PolygonWavePrimitive2D
                    //      - PolygonStrokePrimitive2D
                    // - PolygonStrokePrimitive2D
                    //      - PolyPolygonColorPrimitive2D
                    //      - PolyPolygonHairlinePrimitive2D
                    //          - PolygonHairlinePrimitive2D
                    // - ShadowPrimitive2D
                    //      - ModifiedColorPrimitive2D
                    //      - TransformPrimitive2D
                    // - TextEffectPrimitive2D
                    //      - ModifiedColorPrimitive2D
                    //      - TransformPrimitive2D
                    //      - GroupPrimitive2D

                    // encapsulate with flag and use decomposition
                    mnInText++;
                    process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    mnInText--;

                    break;
                }
                case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
                {
                    // TextSimplePortionPrimitive2D can produce the following primitives
                    // when being decomposed:
                    //
                    // - PolyPolygonColorPrimitive2D
                    // - TextEffectPrimitive2D
                    //      - ModifiedColorPrimitive2D
                    //      - TransformPrimitive2D
                    //      - GroupPrimitive2D

                    // encapsulate with flag and use decomposition
                    mnInText++;
                    process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    mnInText--;

                    break;
                }

                // as can be seen from the TextSimplePortionPrimitive2D and the
                // TextDecoratedPortionPrimitive2D, inside of the mnInText marks
                // the following primitives can occurr containing geometry data
                // from text decomposition:
                //
                // - PolyPolygonColorPrimitive2D
                // - PolygonHairlinePrimitive2D
                // - PolyPolygonHairlinePrimitive2D (for convenience)
                //
                case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
                {
                    if(mnInText)
                    {
                        const primitive2d::PolyPolygonColorPrimitive2D& rPoPoCoCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
                        basegfx::B2DPolyPolygon aPolyPolygon(rPoPoCoCandidate.getB2DPolyPolygon());

                        if(aPolyPolygon.count())
                        {
                            // transform the PolyPolygon
                            aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());

                            // get evtl. corrected color
                            const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoCoCandidate.getBColor()));

                            // add to result vector
                            maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, true));
                        }
                    }

                    break;
                }
                case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
                {
                    if(mnInText)
                    {
                        const primitive2d::PolygonHairlinePrimitive2D& rPoHaCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
                        basegfx::B2DPolygon aPolygon(rPoHaCandidate.getB2DPolygon());

                        if(aPolygon.count())
                        {
                            // transform the Polygon
                            aPolygon.transform(getViewInformation2D().getObjectToViewTransformation());

                            // get evtl. corrected color
                            const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoHaCandidate.getBColor()));

                            // add to result vector
                            maTarget.push_back(TextAsPolygonDataNode(basegfx::B2DPolyPolygon(aPolygon), aColor, false));
                        }
                    }

                    break;
                }
                case PRIMITIVE2D_ID_POLYPOLYGONHAIRLINEPRIMITIVE2D :
                {
                    if(mnInText)
                    {
                        const primitive2d::PolyPolygonHairlinePrimitive2D& rPoPoHaCandidate(static_cast< const primitive2d::PolyPolygonHairlinePrimitive2D& >(rCandidate));
                        basegfx::B2DPolyPolygon aPolyPolygon(rPoPoHaCandidate.getB2DPolyPolygon());

                        if(aPolyPolygon.count())
                        {
                            // transform the Polygon
                            aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());

                            // get evtl. corrected color
                            const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoHaCandidate.getBColor()));

                            // add to result vector
                            maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, false));
                        }
                    }

                    break;
                }

                // usage of color modification stack is needed
                case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
                {
                    const primitive2d::ModifiedColorPrimitive2D& rModifiedColorCandidate(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));

                    if(rModifiedColorCandidate.getChildren().hasElements())
                    {
                        maBColorModifierStack.push(rModifiedColorCandidate.getColorModifier());
                        process(rModifiedColorCandidate.getChildren());
                        maBColorModifierStack.pop();
                    }

                    break;
                }

                // usage of transformation stack is needed
                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;
                }

                // ignorable primitives
                case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
                case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
                case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
                case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
                case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
                case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
                case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
                {
                    break;
                }

                default :
                {
                    // process recursively
                    process(rCandidate.get2DDecomposition(getViewInformation2D()));
                    break;
                }
            }
        }

        TextAsPolygonExtractor2D::TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation)
        :   BaseProcessor2D(rViewInformation),
            maTarget(),
            maBColorModifierStack(),
            mnInText(0)
        {
        }

        TextAsPolygonExtractor2D::~TextAsPolygonExtractor2D()
        {
        }
    } // end of namespace processor2d
} // end of namespace drawinglayer

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