drawinglayer/source/primitive2d/mediaprimitive2d.cxx

   1 /*************************************************************************
   2  *
   3  *  OpenOffice.org - a multi-platform office productivity suite
   4  *
   5  *  $RCSfile: mediaprimitive2d.cxx,v $
   6  *
   7  *  $Revision: 1.4 $
   8  *
   9  *  last change: $Author: aw $ $Date: 2008-06-24 15:31:08 $
  10  *
  11  *  The Contents of this file are made available subject to
  12  *  the terms of GNU Lesser General Public License Version 2.1.
  13  *
  14  *
  15  *    GNU Lesser General Public License Version 2.1
  16  *    =============================================
  17  *    Copyright 2005 by Sun Microsystems, Inc.
  18  *    901 San Antonio Road, Palo Alto, CA 94303, USA
  19  *
  20  *    This library is free software; you can redistribute it and/or
  21  *    modify it under the terms of the GNU Lesser General Public
  22  *    License version 2.1, as published by the Free Software Foundation.
  23  *
  24  *    This library is distributed in the hope that it will be useful,
  25  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  27  *    Lesser General Public License for more details.
  28  *
  29  *    You should have received a copy of the GNU Lesser General Public
  30  *    License along with this library; if not, write to the Free Software
  31  *    Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  32  *    MA  02111-1307  USA
  33  *
  34  ************************************************************************/
  35
  36 // MARKER(update_precomp.py): autogen include statement, do not remove
  37 #include "precompiled_drawinglayer.hxx"
  38
  39 #include <drawinglayer/primitive2d/mediaprimitive2d.hxx>
  40 #include <basegfx/polygon/b2dpolygon.hxx>
  41 #include <basegfx/polygon/b2dpolygontools.hxx>
  42 #include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
  43 #include <avmedia/mediawindow.hxx>
  44 #include <goodies/grfmgr.hxx>
  45 #include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
  46 #include <drawinglayer/geometry/viewinformation2d.hxx>
  47 #include <drawinglayer/primitive2d/transformprimitive2d.hxx>
  48 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  49
  50 //////////////////////////////////////////////////////////////////////////////
  51
  52 namespace drawinglayer
  53 {
  54     namespace primitive2d
  55     {
  56         Primitive2DSequence MediaPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
  57         {
  58             Primitive2DSequence xRetval(1);
  59
  60             // create background object
  61             basegfx::B2DPolygon aBackgroundPolygon(basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0)));
  62             aBackgroundPolygon.transform(getTransform());
  63             const Primitive2DReference xRefBackground(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aBackgroundPolygon), getBackgroundColor()));
  64             xRetval[0] = xRefBackground;
  65
  66             // try to get graphic snapshot
  67             const Graphic aGraphic(avmedia::MediaWindow::grabFrame(getURL(), true));
  68
  69             if(GRAPHIC_BITMAP == aGraphic.GetType() || GRAPHIC_GDIMETAFILE == aGraphic.GetType())
  70             {
  71                 const GraphicObject aGraphicObject(aGraphic);
  72                 const GraphicAttr aGraphicAttr;
  73                 xRetval.realloc(2);
  74                 xRetval[0] = xRefBackground;
  75                 xRetval[1] = Primitive2DReference(new GraphicPrimitive2D(getTransform(), aGraphicObject, aGraphicAttr));
  76             }
  77
  78             if(getDiscreteBorder())
  79             {
  80                 const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
  81                     basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
  82                 const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
  83
  84                 basegfx::B2DRange aSourceRange(0.0, 0.0, 1.0, 1.0);
  85                 aSourceRange.transform(getTransform());
  86
  87                 basegfx::B2DRange aDestRange(aSourceRange);
  88                 aDestRange.grow(-0.5 * fDiscreteSize);
  89
  90                 if(::basegfx::fTools::equalZero(aDestRange.getWidth()) || ::basegfx::fTools::equalZero(aDestRange.getHeight()))
  91                 {
  92                     // shrunk primitive has no content (zero size in X or Y), nothing to display, nothing to return
  93                     xRetval = Primitive2DSequence();
  94                 }
  95                 else
  96                 {
  97                     // create transformation matrix from original range to shrunk range
  98                     basegfx::B2DHomMatrix aTransform;
  99                     aTransform.translate(-aSourceRange.getMinX(), -aSourceRange.getMinY());
 100                     aTransform.scale(aDestRange.getWidth() / aSourceRange.getWidth(), aDestRange.getHeight() / aSourceRange.getHeight());
 101                     aTransform.translate(aDestRange.getMinX(), aDestRange.getMinY());
 102
 103                     // add transform primitive
 104                     const Primitive2DReference aScaled(new TransformPrimitive2D(aTransform, xRetval));
 105                     xRetval = Primitive2DSequence(&aScaled, 1L);
 106                 }
 107             }
 108
 109             return xRetval;
 110         }
 111
 112         MediaPrimitive2D::MediaPrimitive2D(
 113             const basegfx::B2DHomMatrix& rTransform,
 114             const rtl::OUString& rURL,
 115             const basegfx::BColor& rBackgroundColor,
 116             sal_uInt32 nDiscreteBorder)
 117         :       BasePrimitive2D(),
 118             maTransform(rTransform),
 119             maURL(rURL),
 120             maBackgroundColor(rBackgroundColor),
 121             mnDiscreteBorder(nDiscreteBorder)
 122         {
 123         }
 124
 125         bool MediaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 126         {
 127             if(BasePrimitive2D::operator==(rPrimitive))
 128             {
 129                 const MediaPrimitive2D& rCompare = (MediaPrimitive2D&)rPrimitive;
 130
 131                 return (getTransform() == rCompare.getTransform()
 132                     && getURL() == rCompare.getURL()
 133                     && getBackgroundColor() == rCompare.getBackgroundColor()
 134                     && getDiscreteBorder() == rCompare.getDiscreteBorder());
 135             }
 136
 137             return false;
 138         }
 139
 140         basegfx::B2DRange MediaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
 141         {
 142             basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
 143             aRetval.transform(getTransform());
 144
 145             if(getDiscreteBorder())
 146             {
 147                 const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
 148                     basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
 149                 const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
 150
 151                 aRetval.grow(-0.5 * fDiscreteSize);
 152             }
 153
 154             return aRetval;
 155         }
 156
 157         // provide unique ID
 158         ImplPrimitrive2DIDBlock(MediaPrimitive2D, PRIMITIVE2D_ID_MEDIAPRIMITIVE2D)
 159
 160     } // end of namespace primitive2d
 161 } // end of namespace drawinglayer
 162
 163 //////////////////////////////////////////////////////////////////////////////
 164 // eof