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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 :
21 : #include <com/sun/star/rendering/XCanvas.hpp>
22 :
23 : #include <sal/types.h>
24 : #include <vcl/canvastools.hxx>
25 :
26 : #include <basegfx/range/b2drange.hxx>
27 : #include <basegfx/point/b2dpoint.hxx>
28 : #include <basegfx/tools/canvastools.hxx>
29 : #include <canvas/canvastools.hxx>
30 :
31 : #include <boost/utility.hpp>
32 :
33 : #include "pointaction.hxx"
34 : #include "outdevstate.hxx"
35 : #include "cppcanvas/canvas.hxx"
36 : #include "mtftools.hxx"
37 :
38 :
39 : using namespace ::com::sun::star;
40 :
41 : namespace cppcanvas
42 : {
43 : namespace internal
44 : {
45 : namespace
46 : {
47 0 : class PointAction : public Action, private ::boost::noncopyable
48 : {
49 : public:
50 : PointAction( const ::basegfx::B2DPoint&,
51 : const CanvasSharedPtr&,
52 : const OutDevState& );
53 : PointAction( const ::basegfx::B2DPoint&,
54 : const CanvasSharedPtr&,
55 : const OutDevState&,
56 : const ::Color& );
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 : // default: disabled copy/assignment
70 : PointAction(const PointAction&);
71 : PointAction& operator = ( const PointAction& );
72 :
73 : ::basegfx::B2DPoint maPoint;
74 : CanvasSharedPtr mpCanvas;
75 : ::com::sun::star::rendering::RenderState maState;
76 : };
77 :
78 0 : PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
79 : const CanvasSharedPtr& rCanvas,
80 : const OutDevState& rState ) :
81 : maPoint( rPoint ),
82 : mpCanvas( rCanvas ),
83 0 : maState()
84 : {
85 0 : tools::initRenderState(maState,rState);
86 0 : maState.DeviceColor = rState.lineColor;
87 0 : }
88 :
89 0 : PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
90 : const CanvasSharedPtr& rCanvas,
91 : const OutDevState& rState,
92 : const ::Color& rAltColor ) :
93 : maPoint( rPoint ),
94 : mpCanvas( rCanvas ),
95 0 : maState()
96 : {
97 0 : tools::initRenderState(maState,rState);
98 0 : maState.DeviceColor = ::vcl::unotools::colorToDoubleSequence(
99 : rAltColor,
100 0 : rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
101 0 : }
102 :
103 0 : bool PointAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
104 : {
105 : SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PointAction::render()" );
106 : SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PointAction: 0x" << std::hex << this );
107 :
108 0 : rendering::RenderState aLocalState( maState );
109 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
110 :
111 0 : mpCanvas->getUNOCanvas()->drawPoint( ::basegfx::unotools::point2DFromB2DPoint(maPoint),
112 0 : mpCanvas->getViewState(),
113 0 : aLocalState );
114 :
115 0 : return true;
116 : }
117 :
118 0 : bool PointAction::renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
119 : const Subset& rSubset ) const
120 : {
121 : // point only contains a single action, fail if subset
122 : // requests different range
123 0 : if( rSubset.mnSubsetBegin != 0 ||
124 0 : rSubset.mnSubsetEnd != 1 )
125 0 : return false;
126 :
127 0 : return render( rTransformation );
128 : }
129 :
130 0 : ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const
131 : {
132 0 : rendering::RenderState aLocalState( maState );
133 0 : ::canvas::tools::prependToRenderState(aLocalState, rTransformation);
134 :
135 0 : return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maPoint.getX()-1,
136 0 : maPoint.getY()-1,
137 0 : maPoint.getX()+1,
138 0 : maPoint.getY()+1 ),
139 0 : mpCanvas->getViewState(),
140 0 : aLocalState );
141 : }
142 :
143 0 : ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix& rTransformation,
144 : const Subset& rSubset ) const
145 : {
146 : // point only contains a single action, empty bounds
147 : // if subset requests different range
148 0 : if( rSubset.mnSubsetBegin != 0 ||
149 0 : rSubset.mnSubsetEnd != 1 )
150 0 : return ::basegfx::B2DRange();
151 :
152 0 : return getBounds( rTransformation );
153 : }
154 :
155 0 : sal_Int32 PointAction::getActionCount() const
156 : {
157 0 : return 1;
158 : }
159 : }
160 :
161 0 : ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
162 : const CanvasSharedPtr& rCanvas,
163 : const OutDevState& rState )
164 : {
165 0 : return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState ) );
166 : }
167 :
168 0 : ActionSharedPtr PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
169 : const CanvasSharedPtr& rCanvas,
170 : const OutDevState& rState,
171 : const ::Color& rColor )
172 : {
173 0 : return ActionSharedPtr( new PointAction( rPoint, rCanvas, rState, rColor ) );
174 : }
175 : }
176 411 : }
177 :
178 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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