/src/libreoffice/drawinglayer/source/processor2d/linegeometryextractor2d.cxx
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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/PolygonHairlinePrimitive2D.hxx> |
23 | | #include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx> |
24 | | #include <drawinglayer/primitive2d/transformprimitive2d.hxx> |
25 | | |
26 | | |
27 | | namespace drawinglayer::processor2d |
28 | | { |
29 | | LineGeometryExtractor2D::LineGeometryExtractor2D(const geometry::ViewInformation2D& rViewInformation) |
30 | 0 | : BaseProcessor2D(rViewInformation), |
31 | 0 | mbInLineGeometry(false) |
32 | 0 | { |
33 | 0 | } |
34 | | |
35 | | LineGeometryExtractor2D::~LineGeometryExtractor2D() |
36 | 0 | { |
37 | 0 | } |
38 | | |
39 | | void LineGeometryExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) |
40 | 0 | { |
41 | 0 | switch(rCandidate.getPrimitive2DID()) |
42 | 0 | { |
43 | 0 | case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D : |
44 | 0 | case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D : |
45 | 0 | { |
46 | | // enter a line geometry group (with or without LineEnds) |
47 | 0 | bool bOldState(mbInLineGeometry); |
48 | 0 | mbInLineGeometry = true; |
49 | 0 | process(rCandidate); |
50 | 0 | mbInLineGeometry = bOldState; |
51 | 0 | break; |
52 | 0 | } |
53 | 0 | case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D : |
54 | 0 | { |
55 | 0 | if(mbInLineGeometry) |
56 | 0 | { |
57 | | // extract hairline line geometry in world coordinates |
58 | 0 | const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate)); |
59 | 0 | basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon()); |
60 | 0 | aLocalPolygon.transform(getViewInformation2D().getObjectTransformation()); |
61 | 0 | maExtractedHairlines.push_back(aLocalPolygon); |
62 | 0 | } |
63 | 0 | break; |
64 | 0 | } |
65 | 0 | case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D : |
66 | 0 | { |
67 | 0 | if(mbInLineGeometry) |
68 | 0 | { |
69 | | // extract filled line geometry (line with width) |
70 | 0 | const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate)); |
71 | 0 | basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon()); |
72 | 0 | aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation()); |
73 | 0 | maExtractedLineFills.push_back(aLocalPolyPolygon); |
74 | 0 | } |
75 | 0 | break; |
76 | 0 | } |
77 | 0 | case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D : |
78 | 0 | { |
79 | | // remember current transformation and ViewInformation |
80 | 0 | const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate)); |
81 | 0 | const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D()); |
82 | | |
83 | | // create new transformations for CurrentTransformation and for local ViewInformation2D |
84 | 0 | geometry::ViewInformation2D aViewInformation2D(getViewInformation2D()); |
85 | 0 | aViewInformation2D.setObjectTransformation(getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation()); |
86 | 0 | setViewInformation2D(aViewInformation2D); |
87 | | |
88 | | // process content |
89 | 0 | process(rTransformCandidate.getChildren()); |
90 | | |
91 | | // restore transformations |
92 | 0 | setViewInformation2D(aLastViewInformation2D); |
93 | |
|
94 | 0 | break; |
95 | 0 | } |
96 | 0 | case PRIMITIVE2D_ID_SCENEPRIMITIVE2D : |
97 | 0 | case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D : |
98 | 0 | case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D : |
99 | 0 | case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D : |
100 | 0 | case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D : |
101 | 0 | case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D : |
102 | 0 | case PRIMITIVE2D_ID_MASKPRIMITIVE2D : |
103 | 0 | { |
104 | | // ignorable primitives |
105 | 0 | break; |
106 | 0 | } |
107 | 0 | default : |
108 | 0 | { |
109 | | // process recursively |
110 | 0 | process(rCandidate); |
111 | 0 | break; |
112 | 0 | } |
113 | 0 | } |
114 | 0 | } |
115 | | |
116 | | } // end of namespace |
117 | | |
118 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |