Line data Source code
1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <drawinglayer/processor2d/linegeometryextractor2d.hxx>
21 : #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
22 : #include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
23 : #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
24 : #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
25 :
26 : //////////////////////////////////////////////////////////////////////////////
27 :
28 : using namespace com::sun::star;
29 :
30 : //////////////////////////////////////////////////////////////////////////////
31 :
32 : namespace drawinglayer
33 : {
34 : namespace processor2d
35 : {
36 0 : LineGeometryExtractor2D::LineGeometryExtractor2D(const geometry::ViewInformation2D& rViewInformation)
37 : : BaseProcessor2D(rViewInformation),
38 : maExtractedHairlines(),
39 : maExtractedLineFills(),
40 0 : mbInLineGeometry(false)
41 : {
42 0 : }
43 :
44 0 : LineGeometryExtractor2D::~LineGeometryExtractor2D()
45 : {
46 0 : }
47 :
48 0 : void LineGeometryExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
49 : {
50 0 : switch(rCandidate.getPrimitive2DID())
51 : {
52 : case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
53 : case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
54 : {
55 : // enter a line geometry group (with or without LineEnds)
56 0 : bool bOldState(mbInLineGeometry);
57 0 : mbInLineGeometry = true;
58 0 : process(rCandidate.get2DDecomposition(getViewInformation2D()));
59 0 : mbInLineGeometry = bOldState;
60 0 : break;
61 : }
62 : case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
63 : {
64 0 : if(mbInLineGeometry)
65 : {
66 : // extract hairline line geometry in world coordinates
67 0 : const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
68 0 : basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
69 0 : aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
70 0 : maExtractedHairlines.push_back(aLocalPolygon);
71 : }
72 0 : break;
73 : }
74 : case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
75 : {
76 0 : if(mbInLineGeometry)
77 : {
78 : // extract filled line geometry (line with width)
79 0 : const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
80 0 : basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
81 0 : aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
82 0 : maExtractedLineFills.push_back(aLocalPolyPolygon);
83 : }
84 0 : break;
85 : }
86 : case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
87 : {
88 : // remember current transformation and ViewInformation
89 0 : const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
90 0 : const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
91 :
92 : // create new transformations for CurrentTransformation and for local ViewInformation2D
93 : const geometry::ViewInformation2D aViewInformation2D(
94 0 : getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
95 0 : getViewInformation2D().getViewTransformation(),
96 0 : getViewInformation2D().getViewport(),
97 0 : getViewInformation2D().getVisualizedPage(),
98 0 : getViewInformation2D().getViewTime(),
99 0 : getViewInformation2D().getExtendedInformationSequence());
100 0 : updateViewInformation(aViewInformation2D);
101 :
102 : // proccess content
103 0 : process(rTransformCandidate.getChildren());
104 :
105 : // restore transformations
106 0 : updateViewInformation(aLastViewInformation2D);
107 :
108 0 : break;
109 : }
110 : case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
111 : case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
112 : case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
113 : case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
114 : case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
115 : case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
116 : case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
117 : {
118 : // ignorable primitives
119 0 : break;
120 : }
121 : default :
122 : {
123 : // process recursively
124 0 : process(rCandidate.get2DDecomposition(getViewInformation2D()));
125 0 : break;
126 : }
127 : }
128 0 : }
129 : } // end of namespace processor2d
130 : } // end of namespace drawinglayer
131 :
132 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
