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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 : #include <canvas/debug.hxx>
21 : #include <canvas/canvastools.hxx>
22 :
23 : #include <rtl/math.hxx>
24 :
25 : #include <basegfx/matrix/b2dhommatrix.hxx>
26 : #include <basegfx/polygon/b2dpolygontools.hxx>
27 : #include <basegfx/point/b2dpoint.hxx>
28 : #include <basegfx/range/b2drectangle.hxx>
29 : #include <basegfx/tools/canvastools.hxx>
30 : #include <basegfx/numeric/ftools.hxx>
31 : #include <basegfx/tools/tools.hxx>
32 : #include <cppuhelper/supportsservice.hxx>
33 :
34 : #include <limits>
35 :
36 : #include <canvas/parametricpolypolygon.hxx>
37 :
38 : using namespace ::com::sun::star;
39 :
40 : namespace canvas
41 : {
42 0 : uno::Sequence<OUString> ParametricPolyPolygon::getAvailableServiceNames()
43 : {
44 0 : uno::Sequence<OUString> aRet(3);
45 0 : aRet[0] = "LinearGradient";
46 0 : aRet[1] = "EllipticalGradient";
47 0 : aRet[2] = "RectangularGradient";
48 :
49 0 : return aRet;
50 : }
51 :
52 0 : ParametricPolyPolygon* ParametricPolyPolygon::create(
53 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
54 : const OUString& rServiceName,
55 : const uno::Sequence< uno::Any >& rArgs )
56 : {
57 0 : uno::Sequence< uno::Sequence< double > > colorSequence(2);
58 0 : uno::Sequence< double > colorStops(2);
59 0 : double fAspectRatio=1.0;
60 :
61 : // defaults
62 0 : uno::Sequence< rendering::RGBColor > rgbColors(1);
63 0 : rgbColors[0] = rendering::RGBColor(0,0,0);
64 0 : colorSequence[0] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
65 0 : rgbColors[0] = rendering::RGBColor(1,1,1);
66 0 : colorSequence[1] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
67 0 : colorStops[0] = 0;
68 0 : colorStops[1] = 1;
69 :
70 : // extract args
71 0 : for( sal_Int32 i=0; i<rArgs.getLength(); ++i )
72 : {
73 0 : beans::PropertyValue aProp;
74 0 : if( (rArgs[i] >>= aProp) )
75 : {
76 0 : if ( aProp.Name == "Colors" )
77 : {
78 0 : aProp.Value >>= colorSequence;
79 : }
80 0 : else if ( aProp.Name == "Stops" )
81 : {
82 0 : aProp.Value >>= colorStops;
83 : }
84 0 : else if ( aProp.Name == "AspectRatio" )
85 : {
86 0 : aProp.Value >>= fAspectRatio;
87 : }
88 : }
89 0 : }
90 :
91 0 : if ( rServiceName == "LinearGradient" )
92 : {
93 0 : return createLinearHorizontalGradient(rDevice, colorSequence, colorStops);
94 : }
95 0 : else if ( rServiceName == "EllipticalGradient" )
96 : {
97 0 : return createEllipticalGradient(rDevice, colorSequence, colorStops, fAspectRatio);
98 : }
99 0 : else if ( rServiceName == "RectangularGradient" )
100 : {
101 0 : return createRectangularGradient(rDevice, colorSequence, colorStops, fAspectRatio);
102 : }
103 0 : else if ( rServiceName == "VerticalLineHatch" )
104 : {
105 : // TODO: NYI
106 : }
107 0 : else if ( rServiceName == "OrthogonalLinesHatch" )
108 : {
109 : // TODO: NYI
110 : }
111 0 : else if ( rServiceName == "ThreeCrossingLinesHatch" )
112 : {
113 : // TODO: NYI
114 : }
115 0 : else if ( rServiceName == "FourCrossingLinesHatch" )
116 : {
117 : // TODO: NYI
118 : }
119 :
120 0 : return NULL;
121 : }
122 :
123 0 : ParametricPolyPolygon* ParametricPolyPolygon::createLinearHorizontalGradient(
124 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
125 : const uno::Sequence< uno::Sequence< double > >& colors,
126 : const uno::Sequence< double >& stops )
127 : {
128 : // TODO(P2): hold gradient brush statically, and only setup
129 : // the colors
130 0 : return new ParametricPolyPolygon( rDevice, GRADIENT_LINEAR, colors, stops );
131 : }
132 :
133 0 : ParametricPolyPolygon* ParametricPolyPolygon::createEllipticalGradient(
134 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
135 : const uno::Sequence< uno::Sequence< double > >& colors,
136 : const uno::Sequence< double >& stops,
137 : double fAspectRatio )
138 : {
139 : // TODO(P2): hold gradient polygon statically, and only setup
140 : // the colors
141 : return new ParametricPolyPolygon(
142 : rDevice,
143 : ::basegfx::tools::createPolygonFromCircle(
144 : ::basegfx::B2DPoint(0,0), 1 ),
145 : GRADIENT_ELLIPTICAL,
146 0 : colors, stops, fAspectRatio );
147 : }
148 :
149 0 : ParametricPolyPolygon* ParametricPolyPolygon::createRectangularGradient( const uno::Reference< rendering::XGraphicDevice >& rDevice,
150 : const uno::Sequence< uno::Sequence< double > >& colors,
151 : const uno::Sequence< double >& stops,
152 : double fAspectRatio )
153 : {
154 : // TODO(P2): hold gradient polygon statically, and only setup
155 : // the colors
156 : return new ParametricPolyPolygon(
157 : rDevice,
158 : ::basegfx::tools::createPolygonFromRect(
159 : ::basegfx::B2DRectangle( -1, -1, 1, 1 ) ),
160 : GRADIENT_RECTANGULAR,
161 0 : colors, stops, fAspectRatio );
162 : }
163 :
164 0 : void SAL_CALL ParametricPolyPolygon::disposing()
165 : {
166 0 : ::osl::MutexGuard aGuard( m_aMutex );
167 :
168 0 : mxDevice.clear();
169 0 : }
170 :
171 0 : uno::Reference< rendering::XPolyPolygon2D > SAL_CALL ParametricPolyPolygon::getOutline( double /*t*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
172 : {
173 0 : ::osl::MutexGuard aGuard( m_aMutex );
174 :
175 : // TODO(F1): outline NYI
176 0 : return uno::Reference< rendering::XPolyPolygon2D >();
177 : }
178 :
179 0 : uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getColor( double /*t*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
180 : {
181 0 : ::osl::MutexGuard aGuard( m_aMutex );
182 :
183 : // TODO(F1): color NYI
184 0 : return uno::Sequence< double >();
185 : }
186 :
187 0 : uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getPointColor( const geometry::RealPoint2D& /*point*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException, std::exception)
188 : {
189 0 : ::osl::MutexGuard aGuard( m_aMutex );
190 :
191 : // TODO(F1): point color NYI
192 0 : return uno::Sequence< double >();
193 : }
194 :
195 0 : uno::Reference< rendering::XColorSpace > SAL_CALL ParametricPolyPolygon::getColorSpace() throw (uno::RuntimeException, std::exception)
196 : {
197 0 : ::osl::MutexGuard aGuard( m_aMutex );
198 :
199 0 : return mxDevice.is() ? mxDevice->getDeviceColorSpace() : uno::Reference< rendering::XColorSpace >();
200 : }
201 :
202 :
203 0 : OUString SAL_CALL ParametricPolyPolygon::getImplementationName( ) throw (uno::RuntimeException, std::exception)
204 : {
205 0 : return OUString( "Canvas::ParametricPolyPolygon" );
206 : }
207 :
208 0 : sal_Bool SAL_CALL ParametricPolyPolygon::supportsService( const OUString& ServiceName ) throw (uno::RuntimeException, std::exception)
209 : {
210 0 : return cppu::supportsService(this, ServiceName);
211 : }
212 :
213 0 : uno::Sequence< OUString > SAL_CALL ParametricPolyPolygon::getSupportedServiceNames( ) throw (uno::RuntimeException, std::exception)
214 : {
215 0 : uno::Sequence< OUString > aRet(1);
216 0 : aRet[0] = "com.sun.star.rendering.ParametricPolyPolygon";
217 :
218 0 : return aRet;
219 : }
220 :
221 0 : ParametricPolyPolygon::~ParametricPolyPolygon()
222 : {
223 0 : }
224 :
225 0 : ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
226 : const ::basegfx::B2DPolygon& rGradientPoly,
227 : GradientType eType,
228 : const uno::Sequence< uno::Sequence< double > >& rColors,
229 : const uno::Sequence< double >& rStops,
230 : double nAspectRatio ) :
231 : ParametricPolyPolygon_Base( m_aMutex ),
232 : mxDevice( rDevice ),
233 : maValues( rGradientPoly,
234 : rColors,
235 : rStops,
236 : nAspectRatio,
237 0 : eType )
238 : {
239 0 : }
240 :
241 0 : ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
242 : GradientType eType,
243 : const uno::Sequence< uno::Sequence< double > >& rColors,
244 : const uno::Sequence< double >& rStops ) :
245 : ParametricPolyPolygon_Base( m_aMutex ),
246 : mxDevice( rDevice ),
247 : maValues( ::basegfx::B2DPolygon(),
248 : rColors,
249 : rStops,
250 : 1.0,
251 0 : eType )
252 : {
253 0 : }
254 :
255 0 : ParametricPolyPolygon::Values ParametricPolyPolygon::getValues() const
256 : {
257 0 : ::osl::MutexGuard aGuard( m_aMutex );
258 :
259 0 : return maValues;
260 : }
261 :
262 : }
263 :
264 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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