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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 <canvas/debug.hxx>
22 : #include <canvas/canvastools.hxx>
23 :
24 : #include <rtl/math.hxx>
25 :
26 : #include <basegfx/matrix/b2dhommatrix.hxx>
27 : #include <basegfx/polygon/b2dpolygontools.hxx>
28 : #include <basegfx/point/b2dpoint.hxx>
29 : #include <basegfx/range/b2drectangle.hxx>
30 : #include <basegfx/tools/canvastools.hxx>
31 : #include <basegfx/numeric/ftools.hxx>
32 : #include <basegfx/tools/tools.hxx>
33 :
34 : #include <limits>
35 :
36 : #include <canvas/parametricpolypolygon.hxx>
37 :
38 :
39 : using namespace ::com::sun::star;
40 :
41 : namespace canvas
42 : {
43 0 : uno::Sequence<rtl::OUString> ParametricPolyPolygon::getAvailableServiceNames()
44 : {
45 0 : uno::Sequence<rtl::OUString> aRet(3);
46 0 : aRet[0] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "LinearGradient" ));
47 0 : aRet[1] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "EllipticalGradient" ));
48 0 : aRet[2] = rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "RectangularGradient" ));
49 :
50 0 : return aRet;
51 : }
52 :
53 0 : ParametricPolyPolygon* ParametricPolyPolygon::create(
54 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
55 : const ::rtl::OUString& rServiceName,
56 : const uno::Sequence< uno::Any >& rArgs )
57 : {
58 0 : uno::Sequence< uno::Sequence< double > > colorSequence(2);
59 0 : uno::Sequence< double > colorStops(2);
60 0 : double fAspectRatio=1.0;
61 :
62 : // defaults
63 0 : uno::Sequence< rendering::RGBColor > rgbColors(1);
64 0 : rgbColors[0] = rendering::RGBColor(0,0,0);
65 0 : colorSequence[0] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
66 0 : rgbColors[0] = rendering::RGBColor(1,1,1);
67 0 : colorSequence[1] = rDevice->getDeviceColorSpace()->convertFromRGB(rgbColors);
68 0 : colorStops[0] = 0;
69 0 : colorStops[1] = 1;
70 :
71 : // extract args
72 0 : for( sal_Int32 i=0; i<rArgs.getLength(); ++i )
73 : {
74 0 : beans::PropertyValue aProp;
75 0 : if( (rArgs[i] >>= aProp) )
76 : {
77 0 : if ( aProp.Name == "Colors" )
78 : {
79 0 : aProp.Value >>= colorSequence;
80 : }
81 0 : else if ( aProp.Name == "Stops" )
82 : {
83 0 : aProp.Value >>= colorStops;
84 : }
85 0 : else if ( aProp.Name == "AspectRatio" )
86 : {
87 0 : aProp.Value >>= fAspectRatio;
88 : }
89 : }
90 0 : }
91 :
92 0 : if ( rServiceName == "LinearGradient" )
93 : {
94 0 : return createLinearHorizontalGradient(rDevice, colorSequence, colorStops);
95 : }
96 0 : else if ( rServiceName == "EllipticalGradient" )
97 : {
98 0 : return createEllipticalGradient(rDevice, colorSequence, colorStops, fAspectRatio);
99 : }
100 0 : else if ( rServiceName == "RectangularGradient" )
101 : {
102 0 : return createRectangularGradient(rDevice, colorSequence, colorStops, fAspectRatio);
103 : }
104 0 : else if ( rServiceName == "VerticalLineHatch" )
105 : {
106 : // TODO: NYI
107 : }
108 0 : else if ( rServiceName == "OrthogonalLinesHatch" )
109 : {
110 : // TODO: NYI
111 : }
112 0 : else if ( rServiceName == "ThreeCrossingLinesHatch" )
113 : {
114 : // TODO: NYI
115 : }
116 0 : else if ( rServiceName == "FourCrossingLinesHatch" )
117 : {
118 : // TODO: NYI
119 : }
120 :
121 0 : return NULL;
122 : }
123 :
124 0 : ParametricPolyPolygon* ParametricPolyPolygon::createLinearHorizontalGradient(
125 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
126 : const uno::Sequence< uno::Sequence< double > >& colors,
127 : const uno::Sequence< double >& stops )
128 : {
129 : // TODO(P2): hold gradient brush statically, and only setup
130 : // the colors
131 0 : return new ParametricPolyPolygon( rDevice, GRADIENT_LINEAR, colors, stops );
132 : }
133 :
134 0 : ParametricPolyPolygon* ParametricPolyPolygon::createEllipticalGradient(
135 : const uno::Reference< rendering::XGraphicDevice >& rDevice,
136 : const uno::Sequence< uno::Sequence< double > >& colors,
137 : const uno::Sequence< double >& stops,
138 : double fAspectRatio )
139 : {
140 : // TODO(P2): hold gradient polygon statically, and only setup
141 : // the colors
142 : return new ParametricPolyPolygon(
143 : rDevice,
144 : ::basegfx::tools::createPolygonFromCircle(
145 : ::basegfx::B2DPoint(0,0), 1 ),
146 : GRADIENT_ELLIPTICAL,
147 0 : colors, stops, fAspectRatio );
148 : }
149 :
150 0 : ParametricPolyPolygon* ParametricPolyPolygon::createRectangularGradient( const uno::Reference< rendering::XGraphicDevice >& rDevice,
151 : const uno::Sequence< uno::Sequence< double > >& colors,
152 : const uno::Sequence< double >& stops,
153 : double fAspectRatio )
154 : {
155 : // TODO(P2): hold gradient polygon statically, and only setup
156 : // the colors
157 : return new ParametricPolyPolygon(
158 : rDevice,
159 : ::basegfx::tools::createPolygonFromRect(
160 : ::basegfx::B2DRectangle( -1, -1, 1, 1 ) ),
161 : GRADIENT_RECTANGULAR,
162 0 : colors, stops, fAspectRatio );
163 : }
164 :
165 0 : void SAL_CALL ParametricPolyPolygon::disposing()
166 : {
167 0 : ::osl::MutexGuard aGuard( m_aMutex );
168 :
169 0 : mxDevice.clear();
170 0 : }
171 :
172 0 : uno::Reference< rendering::XPolyPolygon2D > SAL_CALL ParametricPolyPolygon::getOutline( double /*t*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
173 : {
174 0 : ::osl::MutexGuard aGuard( m_aMutex );
175 :
176 : // TODO(F1): outline NYI
177 0 : return uno::Reference< rendering::XPolyPolygon2D >();
178 : }
179 :
180 0 : uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getColor( double /*t*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
181 : {
182 0 : ::osl::MutexGuard aGuard( m_aMutex );
183 :
184 : // TODO(F1): color NYI
185 0 : return uno::Sequence< double >();
186 : }
187 :
188 0 : uno::Sequence< double > SAL_CALL ParametricPolyPolygon::getPointColor( const geometry::RealPoint2D& /*point*/ ) throw (lang::IllegalArgumentException, uno::RuntimeException)
189 : {
190 0 : ::osl::MutexGuard aGuard( m_aMutex );
191 :
192 : // TODO(F1): point color NYI
193 0 : return uno::Sequence< double >();
194 : }
195 :
196 0 : uno::Reference< rendering::XColorSpace > SAL_CALL ParametricPolyPolygon::getColorSpace() throw (uno::RuntimeException)
197 : {
198 0 : ::osl::MutexGuard aGuard( m_aMutex );
199 :
200 0 : return mxDevice.is() ? mxDevice->getDeviceColorSpace() : uno::Reference< rendering::XColorSpace >();
201 : }
202 :
203 : #define IMPLEMENTATION_NAME "Canvas::ParametricPolyPolygon"
204 : #define SERVICE_NAME "com.sun.star.rendering.ParametricPolyPolygon"
205 :
206 0 : ::rtl::OUString SAL_CALL ParametricPolyPolygon::getImplementationName( ) throw (uno::RuntimeException)
207 : {
208 0 : return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
209 : }
210 :
211 0 : sal_Bool SAL_CALL ParametricPolyPolygon::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException)
212 : {
213 0 : return ServiceName == SERVICE_NAME;
214 : }
215 :
216 0 : uno::Sequence< ::rtl::OUString > SAL_CALL ParametricPolyPolygon::getSupportedServiceNames( ) throw (uno::RuntimeException)
217 : {
218 0 : uno::Sequence< ::rtl::OUString > aRet(1);
219 0 : aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
220 :
221 0 : return aRet;
222 : }
223 :
224 0 : ParametricPolyPolygon::~ParametricPolyPolygon()
225 : {
226 0 : }
227 :
228 0 : ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
229 : const ::basegfx::B2DPolygon& rGradientPoly,
230 : GradientType eType,
231 : const uno::Sequence< uno::Sequence< double > >& rColors,
232 : const uno::Sequence< double >& rStops,
233 : double nAspectRatio ) :
234 : ParametricPolyPolygon_Base( m_aMutex ),
235 : mxDevice( rDevice ),
236 : maValues( rGradientPoly,
237 : rColors,
238 : rStops,
239 : nAspectRatio,
240 0 : eType )
241 : {
242 0 : }
243 :
244 0 : ParametricPolyPolygon::ParametricPolyPolygon( const uno::Reference< rendering::XGraphicDevice >& rDevice,
245 : GradientType eType,
246 : const uno::Sequence< uno::Sequence< double > >& rColors,
247 : const uno::Sequence< double >& rStops ) :
248 : ParametricPolyPolygon_Base( m_aMutex ),
249 : mxDevice( rDevice ),
250 : maValues( ::basegfx::B2DPolygon(),
251 : rColors,
252 : rStops,
253 : 1.0,
254 0 : eType )
255 : {
256 0 : }
257 :
258 0 : ParametricPolyPolygon::Values ParametricPolyPolygon::getValues() const
259 : {
260 0 : ::osl::MutexGuard aGuard( m_aMutex );
261 :
262 0 : return maValues;
263 : }
264 :
265 : }
266 :
267 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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