office-gobmx/drawinglayer/source/primitive2d/mediaprimitive2d.cxx
2011-03-29 21:40:28 +01:00

166 lines
7 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#include <drawinglayer/primitive2d/mediaprimitive2d.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolygontools.hxx>
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
#include <avmedia/mediawindow.hxx>
#include <svtools/grfmgr.hxx>
#include <drawinglayer/primitive2d/graphicprimitive2d.hxx>
#include <drawinglayer/geometry/viewinformation2d.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#include <drawinglayer/primitive2d/hiddengeometryprimitive2d.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence MediaPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
{
Primitive2DSequence xRetval(1);
// create background object
basegfx::B2DPolygon aBackgroundPolygon(basegfx::tools::createUnitPolygon());
aBackgroundPolygon.transform(getTransform());
const Primitive2DReference xRefBackground(
new PolyPolygonColorPrimitive2D(
basegfx::B2DPolyPolygon(aBackgroundPolygon),
getBackgroundColor()));
xRetval[0] = xRefBackground;
// try to get graphic snapshot
const Graphic aGraphic(avmedia::MediaWindow::grabFrame(getURL(), true));
if(GRAPHIC_BITMAP == aGraphic.GetType() || GRAPHIC_GDIMETAFILE == aGraphic.GetType())
{
const GraphicObject aGraphicObject(aGraphic);
const GraphicAttr aGraphicAttr;
xRetval.realloc(2);
xRetval[0] = xRefBackground;
xRetval[1] = Primitive2DReference(new GraphicPrimitive2D(getTransform(), aGraphicObject, aGraphicAttr));
}
if(getDiscreteBorder())
{
const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
basegfx::B2DRange aSourceRange(0.0, 0.0, 1.0, 1.0);
aSourceRange.transform(getTransform());
basegfx::B2DRange aDestRange(aSourceRange);
aDestRange.grow(-0.5 * fDiscreteSize);
if(basegfx::fTools::equalZero(aDestRange.getWidth()) || basegfx::fTools::equalZero(aDestRange.getHeight()))
{
// shrunk primitive has no content (zero size in X or Y), nothing to display. Still create
// invisible content for HitTest and BoundRect
const Primitive2DReference xHiddenLines(new HiddenGeometryPrimitive2D(xRetval));
xRetval = Primitive2DSequence(&xHiddenLines, 1);
}
else
{
// create transformation matrix from original range to shrunk range
basegfx::B2DHomMatrix aTransform;
aTransform.translate(-aSourceRange.getMinX(), -aSourceRange.getMinY());
aTransform.scale(aDestRange.getWidth() / aSourceRange.getWidth(), aDestRange.getHeight() / aSourceRange.getHeight());
aTransform.translate(aDestRange.getMinX(), aDestRange.getMinY());
// add transform primitive
const Primitive2DReference aScaled(new TransformPrimitive2D(aTransform, xRetval));
xRetval = Primitive2DSequence(&aScaled, 1L);
}
}
return xRetval;
}
MediaPrimitive2D::MediaPrimitive2D(
const basegfx::B2DHomMatrix& rTransform,
const rtl::OUString& rURL,
const basegfx::BColor& rBackgroundColor,
sal_uInt32 nDiscreteBorder)
: BufferedDecompositionPrimitive2D(),
maTransform(rTransform),
maURL(rURL),
maBackgroundColor(rBackgroundColor),
mnDiscreteBorder(nDiscreteBorder)
{
}
bool MediaPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(BufferedDecompositionPrimitive2D::operator==(rPrimitive))
{
const MediaPrimitive2D& rCompare = (MediaPrimitive2D&)rPrimitive;
return (getTransform() == rCompare.getTransform()
&& getURL() == rCompare.getURL()
&& getBackgroundColor() == rCompare.getBackgroundColor()
&& getDiscreteBorder() == rCompare.getDiscreteBorder());
}
return false;
}
basegfx::B2DRange MediaPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
{
basegfx::B2DRange aRetval(0.0, 0.0, 1.0, 1.0);
aRetval.transform(getTransform());
if(getDiscreteBorder())
{
const basegfx::B2DVector aDiscreteInLogic(rViewInformation.getInverseObjectToViewTransformation() *
basegfx::B2DVector((double)getDiscreteBorder(), (double)getDiscreteBorder()));
const double fDiscreteSize(aDiscreteInLogic.getX() + aDiscreteInLogic.getY());
aRetval.grow(-0.5 * fDiscreteSize);
}
return aRetval;
}
// provide unique ID
ImplPrimitrive2DIDBlock(MediaPrimitive2D, PRIMITIVE2D_ID_MEDIAPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */