summaryrefslogtreecommitdiff
path: root/include/canvas/parametricpolypolygon.hxx
blob: 7671aee30f7e3bbbc7d1325e06276332d42c2de9 (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
/* -*- 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 .
 */

#ifndef INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX
#define INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX

#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/rendering/XParametricPolyPolygon2D.hpp>
#include <cppuhelper/compbase2.hxx>
#include <comphelper/broadcasthelper.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>

#include <boost/utility.hpp>
#include <canvas/canvastoolsdllapi.h>

namespace basegfx
{
    class B2DPolygon;
    class B2DHomMatrix;
}


/* Definition of ParametricPolyPolygon class */

namespace canvas
{
    typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XParametricPolyPolygon2D,
                                                   ::com::sun::star::lang::XServiceInfo > ParametricPolyPolygon_Base;

    class CANVASTOOLS_DLLPUBLIC ParametricPolyPolygon : public ::comphelper::OBaseMutex,
                                  public ParametricPolyPolygon_Base,
                                  private ::boost::noncopyable
    {
    public:
        enum GradientType
        {
            GRADIENT_LINEAR,
            GRADIENT_ELLIPTICAL,
            GRADIENT_RECTANGULAR
        };

        /** Structure of defining values for the ParametricPolyPolygon

            This is used to copy the state of the
            ParametricPolyPolygon atomically.
         */
        struct Values
        {
            Values( const ::basegfx::B2DPolygon&                        rGradientPoly,
                    const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& rColors,
                    const ::com::sun::star::uno::Sequence< double >&    rStops,
                    double                                              nAspectRatio,
                    GradientType                                        eType ) :
                maGradientPoly( rGradientPoly ),
                mnAspectRatio( nAspectRatio ),
                maColors( rColors ),
                maStops( rStops ),
                meType( eType )
            {
            }

            /// Polygonal gradient shape (ignored for linear and axial gradient)
            const ::basegfx::B2DPolygon                         maGradientPoly;

            /// Aspect ratio of gradient, affects scaling of innermost gradient polygon
            const double                                        mnAspectRatio;

            /// Gradient colors
            const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >      maColors;

            /// Gradient color stops
            const ::com::sun::star::uno::Sequence< double >     maStops;

            /// Type of gradient to render (as e.g. linear grads are not represented by maGradientPoly)
            const GradientType                                  meType;
        };

        static ::com::sun::star::uno::Sequence< OUString > getAvailableServiceNames();
        static ParametricPolyPolygon* create(
            const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& rDevice,
            const OUString& rServiceName,
            const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Any >& rArgs );

        /// Dispose all internal references
        virtual void SAL_CALL disposing() SAL_OVERRIDE;

        // XParametricPolyPolygon2D
        virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > SAL_CALL getOutline( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getColor( double t ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual ::com::sun::star::uno::Sequence< double > SAL_CALL getPointColor( const ::com::sun::star::geometry::RealPoint2D& point ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XColorSpace > SAL_CALL getColorSpace() throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;

        // XServiceInfo
        virtual OUString SAL_CALL getImplementationName(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
        virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames(  ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;

        /// Query all defining values of this object atomically
        Values getValues() const;

    protected:
        virtual ~ParametricPolyPolygon(); // we're a ref-counted UNO class. _We_ destroy ourselves.

    private:
        static ParametricPolyPolygon* createLinearHorizontalGradient( const ::com::sun::star::uno::Reference<
                                                                         ::com::sun::star::rendering::XGraphicDevice >& rDevice,
                                                                      const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors,
                                                                      const ::com::sun::star::uno::Sequence< double >& stops );
        static ParametricPolyPolygon* createEllipticalGradient( const ::com::sun::star::uno::Reference<
                                                                   ::com::sun::star::rendering::XGraphicDevice >& rDevice,
                                                                const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors,
                                                                const ::com::sun::star::uno::Sequence< double >& stops,
                                                                double fAspect );
        static ParametricPolyPolygon* createRectangularGradient( const ::com::sun::star::uno::Reference<
                                                                    ::com::sun::star::rendering::XGraphicDevice >& rDevice,
                                                                 const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >& colors,
                                                                 const ::com::sun::star::uno::Sequence< double >& stops,
                                                                 double fAspect );

        /// Private, because objects can only be created from the static factories
        ParametricPolyPolygon( const ::com::sun::star::uno::Reference<
                                   ::com::sun::star::rendering::XGraphicDevice >&   rDevice,
                               const ::basegfx::B2DPolygon&                     rGradientPoly,
                               GradientType                                     eType,
                               const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >&  colors,
                               const ::com::sun::star::uno::Sequence< double >&     stops,
                               double                                           nAspectRatio );
        ParametricPolyPolygon( const ::com::sun::star::uno::Reference<
                                   ::com::sun::star::rendering::XGraphicDevice >&   rDevice,
                               GradientType                                     eType,
                               const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< double > >&  colors,
                               const ::com::sun::star::uno::Sequence< double >&     stops );

        ::com::sun::star::uno::Reference<
            ::com::sun::star::rendering::XGraphicDevice >    mxDevice;

        /// All defining values of this object
        const Values                                         maValues;
    };
}

#endif /* INCLUDED_CANVAS_PARAMETRICPOLYPOLYGON_HXX */

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