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 <rtl/logfile.hxx>
25 : #include <com/sun/star/rendering/XCanvas.hpp>
26 :
27 : #include <tools/gen.hxx>
28 : #include <vcl/canvastools.hxx>
29 :
30 : #include <basegfx/range/b2drange.hxx>
31 : #include <basegfx/point/b2dpoint.hxx>
32 : #include <basegfx/tools/canvastools.hxx>
33 : #include <canvas/canvastools.hxx>
34 :
35 : #include <boost/utility.hpp>
36 :
37 : #include <cppcanvas/canvas.hxx>
38 :
39 : #include <mtftools.hxx>
40 :
41 :
42 : using namespace ::com::sun::star;
43 :
44 : namespace cppcanvas
45 : {
46 : namespace internal
47 : {
48 : namespace
49 : {
50 0 : class LineAction : public Action, private ::boost::noncopyable
51 : {
52 : public:
53 : LineAction( const ::basegfx::B2DPoint&,
54 : const ::basegfx::B2DPoint&,
55 : const CanvasSharedPtr&,
56 : const OutDevState& );
57 :
58 : virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
59 : virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
60 : const Subset& rSubset ) const;
61 :
62 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
63 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
64 : const Subset& rSubset ) const;
65 :
66 : virtual sal_Int32 getActionCount() const;
67 :
68 : private:
69 : ::basegfx::B2DPoint maStartPoint;
70 : ::basegfx::B2DPoint maEndPoint;
71 : CanvasSharedPtr mpCanvas;
72 : rendering::RenderState maState;
73 : };
74 :
75 0 : LineAction::LineAction( const ::basegfx::B2DPoint& rStartPoint,
76 : const ::basegfx::B2DPoint& rEndPoint,
77 : const CanvasSharedPtr& rCanvas,
78 : const OutDevState& rState ) :
79 : maStartPoint( rStartPoint ),
80 : maEndPoint( rEndPoint ),
81 : mpCanvas( rCanvas ),
82 0 : maState()
83 : {
84 0 : tools::initRenderState(maState,rState);
85 0 : maState.DeviceColor = rState.lineColor;
86 0 : }
87 :
88 0 : bool LineAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
89 : {
90 : RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::LineAction::render()" );
91 : RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::LineAction: 0x%X", this );
92 :
93 0 : rendering::RenderState aLocalState( maState );
94 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
95 :
96 0 : mpCanvas->getUNOCanvas()->drawLine( ::basegfx::unotools::point2DFromB2DPoint(maStartPoint),
97 0 : ::basegfx::unotools::point2DFromB2DPoint(maEndPoint),
98 0 : mpCanvas->getViewState(),
99 0 : aLocalState );
100 :
101 0 : return true;
102 : }
103 :
104 0 : bool LineAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
105 : const Subset& rSubset ) const
106 : {
107 : // line only contains a single action, fail if subset
108 : // requests different range
109 0 : if( rSubset.mnSubsetBegin != 0 ||
110 : rSubset.mnSubsetEnd != 1 )
111 0 : return false;
112 :
113 0 : return render( rTransformation );
114 : }
115 :
116 0 : ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
117 : {
118 0 : rendering::RenderState aLocalState( maState );
119 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
120 :
121 : return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maStartPoint,
122 : maEndPoint ),
123 0 : mpCanvas->getViewState(),
124 0 : aLocalState );
125 : }
126 :
127 0 : ::basegfx::B2DRange LineAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
128 : const Subset& rSubset ) const
129 : {
130 : // line only contains a single action, empty bounds
131 : // if subset requests different range
132 0 : if( rSubset.mnSubsetBegin != 0 ||
133 : rSubset.mnSubsetEnd != 1 )
134 0 : return ::basegfx::B2DRange();
135 :
136 0 : return getBounds( rTransformation );
137 : }
138 :
139 0 : sal_Int32 LineAction::getActionCount() const
140 : {
141 0 : return 1;
142 : }
143 : }
144 :
145 0 : ActionSharedPtr LineActionFactory::createLineAction( const ::basegfx::B2DPoint& rStartPoint,
146 : const ::basegfx::B2DPoint& rEndPoint,
147 : const CanvasSharedPtr& rCanvas,
148 : const OutDevState& rState )
149 : {
150 : return ActionSharedPtr( new LineAction( rStartPoint,
151 : rEndPoint,
152 : rCanvas,
153 0 : rState) );
154 : }
155 :
156 : }
157 : }
158 :
159 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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