1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http:\\www.apache.org\licenses\LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 // MARKER(update_precomp.py): autogen include statement, do not remove
23 #include "precompiled_drawinglayer.hxx"
24 
25 #include <com/sun/star/graphic/XPrimitive2DRenderer.hpp>
26 #include <com/sun/star/lang/XServiceInfo.hpp>
27 #include <cppuhelper/implbase2.hxx>
28 #include <com/sun/star/xml/sax/XParser.hpp>
29 #include <com/sun/star/xml/sax/InputSource.hpp>
30 #include <comphelper/processfactory.hxx>
31 #include <drawinglayer/geometry/viewinformation2d.hxx>
32 #include <basegfx/numeric/ftools.hxx>
33 #include <vcl/bitmapex.hxx>
34 #include <drawinglayer/tools/converters.hxx>
35 #include <vcl/canvastools.hxx>
36 #include <com/sun/star/geometry/RealRectangle2D.hpp>
37 #include <basegfx/matrix/b2dhommatrixtools.hxx>
38 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
39 
40 //////////////////////////////////////////////////////////////////////////////
41 
42 using namespace ::com::sun::star;
43 
44 //////////////////////////////////////////////////////////////////////////////
45 
46 namespace drawinglayer
47 {
48     namespace unorenderer
49     {
50         class XPrimitive2DRenderer : public ::cppu::WeakAggImplHelper2< graphic::XPrimitive2DRenderer, lang::XServiceInfo >
51         {
52         private:
53             XPrimitive2DRenderer(const XPrimitive2DRenderer&);
54             XPrimitive2DRenderer& operator=(const XPrimitive2DRenderer&);
55 
56         protected:
57         public:
58             XPrimitive2DRenderer();
59             virtual ~XPrimitive2DRenderer();
60 
61             // XPrimitive2DRenderer
62             virtual uno::Reference< rendering::XBitmap > SAL_CALL rasterize(
63                 const uno::Sequence< uno::Reference< graphic::XPrimitive2D > >& Primitive2DSequence,
64                 const uno::Sequence< beans::PropertyValue >& aViewInformationSequence,
65                 ::sal_uInt32 DPI_X,
66                 ::sal_uInt32 DPI_Y,
67                 const ::com::sun::star::geometry::RealRectangle2D& Range,
68                 ::sal_uInt32 MaximumQuadraticPixels) throw (uno::RuntimeException);
69 
70             // XServiceInfo
71             virtual rtl::OUString SAL_CALL getImplementationName() throw(uno::RuntimeException);
72             virtual ::sal_Bool SAL_CALL supportsService(const rtl::OUString&) throw(uno::RuntimeException);
73             virtual uno::Sequence< rtl::OUString > SAL_CALL getSupportedServiceNames() throw(uno::RuntimeException);
74         };
75 	} // end of namespace unorenderer
76 } // end of namespace drawinglayer
77 
78 //////////////////////////////////////////////////////////////////////////////
79 // uno functions
80 
81 namespace drawinglayer
82 {
83     namespace unorenderer
84     {
85         uno::Sequence< rtl::OUString > XPrimitive2DRenderer_getSupportedServiceNames()
86         {
87 	        static rtl::OUString aServiceName(RTL_CONSTASCII_USTRINGPARAM("com.sun.star.graphic.Primitive2DTools" ) );
88 	        static uno::Sequence< rtl::OUString > aServiceNames( &aServiceName, 1 );
89 
90             return( aServiceNames );
91         }
92 
93         rtl::OUString XPrimitive2DRenderer_getImplementationName()
94         {
95 	        return rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( "drawinglayer::unorenderer::XPrimitive2DRenderer" ) );
96         }
97 
98         uno::Reference< uno::XInterface > SAL_CALL XPrimitive2DRenderer_createInstance(const uno::Reference< lang::XMultiServiceFactory >&)
99         {
100 	        return static_cast< ::cppu::OWeakObject* >(new XPrimitive2DRenderer);
101         }
102 	} // end of namespace unorenderer
103 } // end of namespace drawinglayer
104 
105 //////////////////////////////////////////////////////////////////////////////
106 
107 namespace drawinglayer
108 {
109     namespace unorenderer
110     {
111         XPrimitive2DRenderer::XPrimitive2DRenderer()
112         {
113         }
114 
115         XPrimitive2DRenderer::~XPrimitive2DRenderer()
116         {
117         }
118 
119         uno::Reference< rendering::XBitmap > XPrimitive2DRenderer::rasterize(
120             const uno::Sequence< uno::Reference< graphic::XPrimitive2D > >& Primitive2DSequence,
121             const uno::Sequence< beans::PropertyValue >& aViewInformationSequence,
122             ::sal_uInt32 DPI_X,
123             ::sal_uInt32 DPI_Y,
124             const ::com::sun::star::geometry::RealRectangle2D& Range,
125             ::sal_uInt32 MaximumQuadraticPixels) throw (uno::RuntimeException)
126         {
127             uno::Reference< rendering::XBitmap > XBitmap;
128 
129             if(Primitive2DSequence.hasElements())
130             {
131                 const basegfx::B2DRange aRange(Range.X1, Range.Y1, Range.X2, Range.Y2);
132                 const double fWidth(aRange.getWidth());
133                 const double fHeight(aRange.getHeight());
134 
135                 if(basegfx::fTools::more(fWidth, 0.0) && basegfx::fTools::more(fHeight, 0.0))
136                 {
137                     if(0 == DPI_X)
138                     {
139                         DPI_X = 75;
140                     }
141 
142                     if(0 == DPI_Y)
143                     {
144                         DPI_Y = 75;
145                     }
146 
147                     if(0 == MaximumQuadraticPixels)
148                     {
149                         MaximumQuadraticPixels = 500000;
150                     }
151 
152                     const geometry::ViewInformation2D aViewInformation2D(aViewInformationSequence);
153                     const double fFactor100th_mmToInch(2.54/1000.0);
154                     const sal_uInt32 nDiscreteWidth(basegfx::fround((fWidth * fFactor100th_mmToInch) * DPI_X));
155                     const sal_uInt32 nDiscreteHeight(basegfx::fround((fHeight * fFactor100th_mmToInch) * DPI_Y));
156 
157                     basegfx::B2DHomMatrix aEmbedding(
158                         basegfx::tools::createTranslateB2DHomMatrix(
159                             -aRange.getMinX(),
160                             -aRange.getMinY()));
161 
162                     aEmbedding.scale(
163                         nDiscreteWidth / fWidth,
164                         nDiscreteHeight / fHeight);
165 
166                     const primitive2d::Primitive2DReference xEmbedRef(
167                         new primitive2d::TransformPrimitive2D(
168                             aEmbedding,
169                             Primitive2DSequence));
170                     const primitive2d::Primitive2DSequence xEmbedSeq(&xEmbedRef, 1);
171 
172                     BitmapEx aBitmapEx(
173                         tools::convertToBitmapEx(
174                             xEmbedSeq,
175                             aViewInformation2D,
176                             nDiscreteWidth,
177                             nDiscreteHeight,
178                             MaximumQuadraticPixels));
179 
180                     if(!aBitmapEx.IsEmpty())
181                     {
182                         const uno::Reference< rendering::XGraphicDevice > xGraphicDevice;
183 
184                         aBitmapEx.SetPrefMapMode(MapMode(MAP_100TH_MM));
185                         aBitmapEx.SetPrefSize(Size(basegfx::fround(fWidth), basegfx::fround(fHeight)));
186                         XBitmap = vcl::unotools::xBitmapFromBitmapEx(xGraphicDevice, aBitmapEx);
187                     }
188                 }
189             }
190 
191             return XBitmap;
192         }
193 
194         rtl::OUString SAL_CALL XPrimitive2DRenderer::getImplementationName() throw(uno::RuntimeException)
195         {
196 	        return(XPrimitive2DRenderer_getImplementationName());
197         }
198 
199         sal_Bool SAL_CALL XPrimitive2DRenderer::supportsService(const rtl::OUString& rServiceName) throw(uno::RuntimeException)
200         {
201 	        const uno::Sequence< rtl::OUString > aServices(XPrimitive2DRenderer_getSupportedServiceNames());
202 
203             for(sal_Int32 nService(0); nService < aServices.getLength(); nService++)
204 	        {
205 		        if(rServiceName == aServices[nService])
206                 {
207 			        return sal_True;
208                 }
209 	        }
210 
211             return sal_False;
212         }
213 
214         uno::Sequence< rtl::OUString > SAL_CALL XPrimitive2DRenderer::getSupportedServiceNames() throw(uno::RuntimeException)
215         {
216 	        return XPrimitive2DRenderer_getSupportedServiceNames();
217         }
218 
219 	} // end of namespace unorenderer
220 } // end of namespace drawinglayer
221 
222 //////////////////////////////////////////////////////////////////////////////
223 // eof
224