drawinglayer/source/drawinglayeruno/xprimitive2drenderer.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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  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 <sal/config.h>
  21
  22 #include <com/sun/star/graphic/XPrimitive2DRenderer.hpp>
  23 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <cppuhelper/implbase2.hxx>
  26 #include <cppuhelper/supportsservice.hxx>
  27 #include <comphelper/sequence.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 #include <xprimitive2drenderer.hxx>
  41
  42 using namespace ::com::sun::star;
  43
  44
  45 namespace drawinglayer
  46 {
  47     namespace unorenderer
  48     {
  49         class XPrimitive2DRenderer:
  50             public cppu::WeakAggImplHelper2<
  51                 css::graphic::XPrimitive2DRenderer, css::lang::XServiceInfo>
  52         {
  53         public:
  54             XPrimitive2DRenderer();
  55             virtual ~XPrimitive2DRenderer();
  56
  57             XPrimitive2DRenderer(const XPrimitive2DRenderer&) = delete;
  58             const XPrimitive2DRenderer& operator=(const XPrimitive2DRenderer&) = delete;
  59
  60             // XPrimitive2DRenderer
  61             virtual uno::Reference< rendering::XBitmap > SAL_CALL rasterize(
  62                 const uno::Sequence< uno::Reference< graphic::XPrimitive2D > >& Primitive2DSequence,
  63                 const uno::Sequence< beans::PropertyValue >& aViewInformationSequence,
  64                 ::sal_uInt32 DPI_X,
  65                 ::sal_uInt32 DPI_Y,
  66                 const css::geometry::RealRectangle2D& Range,
  67                 ::sal_uInt32 MaximumQuadraticPixels) throw (uno::RuntimeException, std::exception) override;
  68
  69             // XServiceInfo
  70             virtual OUString SAL_CALL getImplementationName() throw(uno::RuntimeException, std::exception) override;
  71             virtual sal_Bool SAL_CALL supportsService(const OUString&) throw(uno::RuntimeException, std::exception) override;
  72             virtual uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(uno::RuntimeException, std::exception) override;
  73         };
  74     } // end of namespace unorenderer
  75 } // end of namespace drawinglayer
  76
  77
  78 // uno functions
  79
  80 namespace drawinglayer
  81 {
  82     namespace unorenderer
  83     {
  84         uno::Sequence< OUString > XPrimitive2DRenderer_getSupportedServiceNames()
  85         {
  86             return uno::Sequence< OUString > { "com.sun.star.graphic.Primitive2DTools" };
  87         }
  88
  89         OUString XPrimitive2DRenderer_getImplementationName()
  90         {
  91             return OUString( "drawinglayer::unorenderer::XPrimitive2DRenderer" );
  92         }
  93
  94         uno::Reference< uno::XInterface > SAL_CALL XPrimitive2DRenderer_createInstance(const uno::Reference< lang::XMultiServiceFactory >&)
  95         {
  96             return static_cast< ::cppu::OWeakObject* >(new XPrimitive2DRenderer);
  97         }
  98     } // end of namespace unorenderer
  99 } // end of namespace drawinglayer
 100
 101
 102 namespace drawinglayer
 103 {
 104     namespace unorenderer
 105     {
 106         XPrimitive2DRenderer::XPrimitive2DRenderer()
 107         {
 108         }
 109
 110         XPrimitive2DRenderer::~XPrimitive2DRenderer()
 111         {
 112         }
 113
 114         uno::Reference< rendering::XBitmap > XPrimitive2DRenderer::rasterize(
 115             const uno::Sequence< uno::Reference< graphic::XPrimitive2D > >& aPrimitive2DSequence,
 116             const uno::Sequence< beans::PropertyValue >& aViewInformationSequence,
 117             ::sal_uInt32 DPI_X,
 118             ::sal_uInt32 DPI_Y,
 119             const css::geometry::RealRectangle2D& Range,
 120             ::sal_uInt32 MaximumQuadraticPixels) throw (uno::RuntimeException, std::exception)
 121         {
 122             uno::Reference< rendering::XBitmap > XBitmap;
 123
 124             if(aPrimitive2DSequence.hasElements())
 125             {
 126                 const basegfx::B2DRange aRange(Range.X1, Range.Y1, Range.X2, Range.Y2);
 127                 const double fWidth(aRange.getWidth());
 128                 const double fHeight(aRange.getHeight());
 129
 130                 if(basegfx::fTools::more(fWidth, 0.0) && basegfx::fTools::more(fHeight, 0.0))
 131                 {
 132                     if(0 == DPI_X)
 133                     {
 134                         DPI_X = 75;
 135                     }
 136
 137                     if(0 == DPI_Y)
 138                     {
 139                         DPI_Y = 75;
 140                     }
 141
 142                     if(0 == MaximumQuadraticPixels)
 143                     {
 144                         MaximumQuadraticPixels = 500000;
 145                     }
 146
 147                     const geometry::ViewInformation2D aViewInformation2D(aViewInformationSequence);
 148                     const double fFactor100th_mmToInch(1.0 / (2.54 * 1000.0));
 149                     const sal_uInt32 nDiscreteWidth(basegfx::fround((fWidth * fFactor100th_mmToInch) * DPI_X));
 150                     const sal_uInt32 nDiscreteHeight(basegfx::fround((fHeight * fFactor100th_mmToInch) * DPI_Y));
 151
 152                     basegfx::B2DHomMatrix aEmbedding(
 153                         basegfx::tools::createTranslateB2DHomMatrix(
 154                             -aRange.getMinX(),
 155                             -aRange.getMinY()));
 156
 157                     aEmbedding.scale(
 158                         nDiscreteWidth / fWidth,
 159                         nDiscreteHeight / fHeight);
 160
 161                     const primitive2d::Primitive2DReference xEmbedRef(
 162                         new primitive2d::TransformPrimitive2D(
 163                             aEmbedding,
 164                             comphelper::sequenceToContainer<primitive2d::Primitive2DContainer>(aPrimitive2DSequence)));
 165                     const primitive2d::Primitive2DContainer xEmbedSeq { xEmbedRef };
 166
 167                     BitmapEx aBitmapEx(
 168                         tools::convertToBitmapEx(
 169                             xEmbedSeq,
 170                             aViewInformation2D,
 171                             nDiscreteWidth,
 172                             nDiscreteHeight,
 173                             MaximumQuadraticPixels));
 174
 175                     if(!aBitmapEx.IsEmpty())
 176                     {
 177                         const uno::Reference< rendering::XGraphicDevice > xGraphicDevice;
 178
 179                         aBitmapEx.SetPrefMapMode(MapMode(MAP_100TH_MM));
 180                         aBitmapEx.SetPrefSize(Size(basegfx::fround(fWidth), basegfx::fround(fHeight)));
 181                         XBitmap = vcl::unotools::xBitmapFromBitmapEx(xGraphicDevice, aBitmapEx);
 182                     }
 183                 }
 184             }
 185
 186             return XBitmap;
 187         }
 188
 189         OUString SAL_CALL XPrimitive2DRenderer::getImplementationName() throw(uno::RuntimeException, std::exception)
 190         {
 191             return(XPrimitive2DRenderer_getImplementationName());
 192         }
 193
 194         sal_Bool SAL_CALL XPrimitive2DRenderer::supportsService(const OUString& rServiceName) throw(uno::RuntimeException, std::exception)
 195         {
 196             return cppu::supportsService(this, rServiceName);
 197         }
 198
 199         uno::Sequence< OUString > SAL_CALL XPrimitive2DRenderer::getSupportedServiceNames() throw(uno::RuntimeException, std::exception)
 200         {
 201             return XPrimitive2DRenderer_getSupportedServiceNames();
 202         }
 203
 204     } // end of namespace unorenderer
 205 } // end of namespace drawinglayer
 206
 207 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */