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 :
21 : #include <lineaction.hxx>
22 : #include <outdevstate.hxx>
23 :
24 : #include <com/sun/star/rendering/XCanvas.hpp>
25 :
26 : #include <tools/gen.hxx>
27 : #include <vcl/canvastools.hxx>
28 :
29 : #include <basegfx/range/b2drange.hxx>
30 : #include <basegfx/point/b2dpoint.hxx>
31 : #include <basegfx/tools/canvastools.hxx>
32 : #include <canvas/canvastools.hxx>
33 :
34 : #include <boost/utility.hpp>
35 :
36 : #include <cppcanvas/canvas.hxx>
37 :
38 : #include <mtftools.hxx>
39 :
40 :
41 : using namespace ::com::sun::star;
42 :
43 : namespace cppcanvas
44 : {
45 : namespace internal
46 : {
47 : namespace
48 : {
49 0 : class LineAction : public Action, private ::boost::noncopyable
50 : {
51 : public:
52 : LineAction( const ::basegfx::B2DPoint&,
53 : const ::basegfx::B2DPoint&,
54 : const CanvasSharedPtr&,
55 : const OutDevState& );
56 :
57 : virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const SAL_OVERRIDE;
58 : virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
59 : const Subset& rSubset ) const SAL_OVERRIDE;
60 :
61 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const SAL_OVERRIDE;
62 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
63 : const Subset& rSubset ) const SAL_OVERRIDE;
64 :
65 : virtual sal_Int32 getActionCount() const SAL_OVERRIDE;
66 :
67 : private:
68 : ::basegfx::B2DPoint maStartPoint;
69 : ::basegfx::B2DPoint maEndPoint;
70 : CanvasSharedPtr mpCanvas;
71 : rendering::RenderState maState;
72 : };
73 :
74 0 : LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint,
75 : const ::basegfx::B2DPoint& rEndPoint,
76 : const CanvasSharedPtr& rCanvas,
77 : const OutDevState& rState ) :
78 : maStartPoint( rStartPoint ),
79 : maEndPoint( rEndPoint ),
80 : mpCanvas( rCanvas ),
81 0 : maState()
82 : {
83 0 : tools::initRenderState(maState,rState);
84 0 : maState.DeviceColor = rState.lineColor;
85 0 : }
86 :
87 0 : bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
88 : {
89 : SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction::render()" );
90 : SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::LineAction: 0x" << std::hex << this );
91 :
92 0 : rendering::RenderState aLocalState( maState );
93 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
94 :
95 0 : mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint),
96 0 : ::basegfx::unotools::point2DFromB2DPoint(maEndPoint),
97 0 : mpCanvas->getViewState(),
98 0 : aLocalState );
99 :
100 0 : return true;
101 : }
102 :
103 0 : bool LineAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
104 : const Subset& rSubset ) const
105 : {
106 : // line only contains a single action, fail if subset
107 : // requests different range
108 0 : if( rSubset.mnSubsetBegin != 0 ||
109 0 : rSubset.mnSubsetEnd != 1 )
110 0 : return false;
111 :
112 0 : return render( rTransformation );
113 : }
114 :
115 0 : ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
116 : {
117 0 : rendering::RenderState aLocalState( maState );
118 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
119 :
120 : return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint,
121 : maEndPoint ),
122 0 : mpCanvas->getViewState(),
123 0 : aLocalState );
124 : }
125 :
126 0 : ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
127 : const Subset& rSubset ) const
128 : {
129 : // line only contains a single action, empty bounds
130 : // if subset requests different range
131 0 : if( rSubset.mnSubsetBegin != 0 ||
132 0 : rSubset.mnSubsetEnd != 1 )
133 0 : return ::basegfx::B2DRange();
134 :
135 0 : return getBounds( rTransformation );
136 : }
137 :
138 0 : sal_Int32 LineAction::getActionCount() const
139 : {
140 0 : return 1;
141 : }
142 : }
143 :
144 0 : ActionSharedPtr LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint,
145 : const ::basegfx::B2DPoint& rEndPoint,
146 : const CanvasSharedPtr& rCanvas,
147 : const OutDevState& rState )
148 : {
149 : return ActionSharedPtr( new LineAction( rStartPoint,
150 : rEndPoint,
151 : rCanvas,
152 0 : rState) );
153 : }
154 :
155 : }
156 : }
157 :
158 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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