summaryrefslogtreecommitdiffstats
path: root/cppcanvas/source/mtfrenderer/pointaction.cxx
blob: 449f4b9b4249d065a43c481190aa5ffa6cb6eb04 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */


#include <com/sun/star/rendering/XCanvas.hpp>

#include <sal/types.h>
#include <sal/log.hxx>
#include <utility>
#include <vcl/canvastools.hxx>

#include <basegfx/range/b2drange.hxx>
#include <basegfx/point/b2dpoint.hxx>
#include <basegfx/utils/canvastools.hxx>
#include <canvas/canvastools.hxx>

#include "pointaction.hxx"
#include <outdevstate.hxx>
#include <cppcanvas/canvas.hxx>
#include "mtftools.hxx"


using namespace ::com::sun::star;

namespace cppcanvas::internal
{
        namespace
        {
            class PointAction : public Action
            {
            public:
                PointAction( const ::basegfx::B2DPoint&,
                             CanvasSharedPtr,
                             const OutDevState& );
                PointAction( const ::basegfx::B2DPoint&,
                             const CanvasSharedPtr&,
                             const OutDevState&,
                             const ::Color&     );

                PointAction(const PointAction&) = delete;
                const PointAction& operator=(const PointAction&) = delete;

                virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
                virtual bool renderSubset( const ::basegfx::B2DHomMatrix& rTransformation,
                                           const Subset&                  rSubset ) const override;

                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
                virtual ::basegfx::B2DRange getBounds( const ::basegfx::B2DHomMatrix&   rTransformation,
                                                       const Subset&                    rSubset ) const override;

                virtual sal_Int32 getActionCount() const override;

            private:
                ::basegfx::B2DPoint                         maPoint;
                CanvasSharedPtr                             mpCanvas;
                css::rendering::RenderState                 maState;
            };

            PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
                                      CanvasSharedPtr            xCanvas,
                                      const OutDevState&         rState ) :
                maPoint( rPoint ),
                mpCanvas(std::move( xCanvas ))
            {
                tools::initRenderState(maState,rState);
                maState.DeviceColor = rState.lineColor;
            }

            PointAction::PointAction( const ::basegfx::B2DPoint& rPoint,
                                      const CanvasSharedPtr&     rCanvas,
                                      const OutDevState&         rState,
                                      const ::Color&             rAltColor ) :
                maPoint( rPoint ),
                mpCanvas( rCanvas )
            {
                tools::initRenderState(maState,rState);
                maState.DeviceColor = vcl::unotools::colorToDoubleSequence(
                    rAltColor,
                    rCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace() );
            }

            bool PointAction::render( const ::basegfx::B2DHomMatrix& rTransformation ) const
            {
                SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PointAction::render()" );
                SAL_INFO( "cppcanvas.emf", "::cppcanvas::internal::PointAction: 0x" << std::hex << this );

                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

                mpCanvas->getUNOCanvas()->drawPoint( ::basegfx::unotools::point2DFromB2DPoint(maPoint),
                                                     mpCanvas->getViewState(),
                                                     aLocalState );

                return true;
            }

            bool PointAction::renderSubset( const ::basegfx::B2DHomMatrix&    rTransformation,
                                            const Subset&                     rSubset ) const
            {
                // point only contains a single action, fail if subset
                // requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return false;

                return render( rTransformation );
            }

            ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix&  rTransformation ) const
            {
                rendering::RenderState aLocalState( maState );
                ::canvas::tools::prependToRenderState(aLocalState, rTransformation);

                return tools::calcDevicePixelBounds( ::basegfx::B2DRange( maPoint.getX()-1,
                                                                          maPoint.getY()-1,
                                                                          maPoint.getX()+1,
                                                                          maPoint.getY()+1 ),
                                                     mpCanvas->getViewState(),
                                                     aLocalState );
            }

            ::basegfx::B2DRange PointAction::getBounds( const ::basegfx::B2DHomMatrix&  rTransformation,
                                                        const Subset&                   rSubset ) const
            {
                // point only contains a single action, empty bounds
                // if subset requests different range
                if( rSubset.mnSubsetBegin != 0 ||
                    rSubset.mnSubsetEnd != 1 )
                    return ::basegfx::B2DRange();

                return getBounds( rTransformation );
            }

            sal_Int32 PointAction::getActionCount() const
            {
                return 1;
            }
        }

        std::shared_ptr<Action> PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
                                                               const CanvasSharedPtr&     rCanvas,
                                                               const OutDevState&         rState )
        {
            return std::make_shared<PointAction>( rPoint, rCanvas, rState );
        }

        std::shared_ptr<Action> PointActionFactory::createPointAction( const ::basegfx::B2DPoint& rPoint,
                                                               const CanvasSharedPtr&     rCanvas,
                                                               const OutDevState&         rState,
                                                               const ::Color&             rColor    )
        {
            return std::make_shared<PointAction>( rPoint, rCanvas, rState, rColor );
        }
}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */