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 <rtl/logfile.hxx>
22 : #include <com/sun/star/rendering/XCanvas.hpp>
23 :
24 : #include <tools/gen.hxx>
25 : #include <vcl/canvastools.hxx>
26 :
27 : #include <basegfx/range/b2drange.hxx>
28 : #include <basegfx/point/b2dpoint.hxx>
29 : #include <basegfx/tools/canvastools.hxx>
30 : #include <canvas/canvastools.hxx>
31 :
32 : #include <boost/utility.hpp>
33 :
34 : #include "pointaction.hxx"
35 : #include "outdevstate.hxx"
36 : #include "cppcanvas/canvas.hxx"
37 : #include "mtftools.hxx"
38 :
39 :
40 : using namespace ::com::sun::star;
41 :
42 : namespace cppcanvas
43 : {
44 : namespace internal
45 : {
46 : namespace
47 : {
48 0 : class PointAction : public Action, private ::boost::noncopyable
49 : {
50 : public:
51 : PointAction( const ::basegfx::B2DPoint&,
52 : const CanvasSharedPtr&,
53 : const OutDevState& );
54 : PointAction( const ::basegfx::B2DPoint&,
55 : const CanvasSharedPtr&,
56 : const OutDevState&,
57 : const ::Color& );
58 :
59 : virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const;
60 : virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
61 : const Subset& rSubset ) const;
62 :
63 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const;
64 : virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
65 : const Subset& rSubset ) const;
66 :
67 : virtual sal_Int32 getActionCount() const;
68 :
69 : private:
70 : // default: disabled copy/assignment
71 : PointAction(const PointAction&);
72 : PointAction& operator = ( const PointAction& );
73 :
74 : ::basegfx::B2DPoint maPoint;
75 : CanvasSharedPtr mpCanvas;
76 : ::com::sun::star::rendering::RenderState maState;
77 : };
78 :
79 0 : PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
80 : const CanvasSharedPtr& rCanvas,
81 : const OutDevState& rState ) :
82 : maPoint( rPoint ),
83 : mpCanvas( rCanvas ),
84 0 : maState()
85 : {
86 0 : tools::initRenderState(maState,rState);
87 0 : maState.DeviceColor = rState.lineColor;
88 0 : }
89 :
90 0 : PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
91 : const CanvasSharedPtr& rCanvas,
92 : const OutDevState& rState,
93 : const ::Color& rAltColor ) :
94 : maPoint( rPoint ),
95 : mpCanvas( rCanvas ),
96 0 : maState()
97 : {
98 0 : tools::initRenderState(maState,rState);
99 : maState.DeviceColor = ::vcl::unotools::colorToDoubleSequence(
100 : rAltColor,
101 0 : rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
102 0 : }
103 :
104 0 : bool PointAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
105 : {
106 : RTL_LOGFILE_CONTEXT( aLog, "::cppcanvas::internal::PointAction::render()" );
107 : RTL_LOGFILE_CONTEXT_TRACE1( aLog, "::cppcanvas::internal::PointAction: 0x%X", this );
108 :
109 0 : rendering::RenderState aLocalState( maState );
110 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
111 :
112 0 : mpCanvas->getUNOCanvas()->drawPoint( ::basegfx::unotools::point2DFromB2DPoint(maPoint),
113 0 : mpCanvas->getViewState(),
114 0 : aLocalState );
115 :
116 0 : return true;
117 : }
118 :
119 0 : bool PointAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
120 : const Subset& rSubset ) const
121 : {
122 : // point only contains a single action, fail if subset
123 : // requests different range
124 0 : if( rSubset.mnSubsetBegin != 0 ||
125 : rSubset.mnSubsetEnd != 1 )
126 0 : return false;
127 :
128 0 : return render( rTransformation );
129 : }
130 :
131 0 : ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
132 : {
133 0 : rendering::RenderState aLocalState( maState );
134 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
135 :
136 0 : return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maPoint.getX()-1,
137 0 : maPoint.getY()-1,
138 0 : maPoint.getX()+1,
139 0 : maPoint.getY()+1 ),
140 0 : mpCanvas->getViewState(),
141 0 : aLocalState );
142 : }
143 :
144 0 : ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
145 : const Subset& rSubset ) const
146 : {
147 : // point only contains a single action, empty bounds
148 : // if subset requests different range
149 0 : if( rSubset.mnSubsetBegin != 0 ||
150 : rSubset.mnSubsetEnd != 1 )
151 0 : return ::basegfx::B2DRange();
152 :
153 0 : return getBounds( rTransformation );
154 : }
155 :
156 0 : sal_Int32 PointAction::getActionCount() const
157 : {
158 0 : return 1;
159 : }
160 : }
161 :
162 0 : ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
163 : const CanvasSharedPtr& rCanvas,
164 : const OutDevState& rState )
165 : {
166 0 : return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState ) );
167 : }
168 :
169 0 : ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
170 : const CanvasSharedPtr& rCanvas,
171 : const OutDevState& rState,
172 : const ::Color& rColor )
173 : {
174 0 : return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState, rColor ) );
175 : }
176 : }
177 : }
178 :
179 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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