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Diffstat (limited to 'drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx b/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx new file mode 100644 index 000000000000..ed82ed45e233 --- /dev/null +++ b/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx @@ -0,0 +1,168 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <drawinglayer/primitive2d/embedded3dprimitive2d.hxx> +#include <basegfx/polygon/b2dpolygon.hxx> +#include <basegfx/polygon/b2dpolygontools.hxx> +#include <basegfx/color/bcolor.hxx> +#include <drawinglayer/primitive2d/polygonprimitive2d.hxx> +#include <basegfx/tools/canvastools.hxx> +#include <drawinglayer/geometry/viewinformation2d.hxx> +#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> +#include <drawinglayer/geometry/viewinformation3d.hxx> +#include <drawinglayer/processor3d/shadow3dextractor.hxx> + +////////////////////////////////////////////////////////////////////////////// + +using namespace com::sun::star; + +////////////////////////////////////////////////////////////////////////////// + +namespace drawinglayer +{ + namespace primitive2d + { + bool Embedded3DPrimitive2D::impGetShadow3D(const geometry::ViewInformation2D& /*rViewInformation*/) const + { + osl::MutexGuard aGuard( m_aMutex ); + + // create on demand + if(!mbShadow3DChecked && getChildren3D().hasElements()) + { + // create shadow extraction processor + processor3d::Shadow3DExtractingProcessor aShadowProcessor( + getViewInformation3D(), + getObjectTransformation(), + getLightNormal(), + getShadowSlant(), + getScene3DRange()); + + // process local primitives + aShadowProcessor.process(getChildren3D()); + + // fetch result and set checked flag + const_cast< Embedded3DPrimitive2D* >(this)->maShadowPrimitives = aShadowProcessor.getPrimitive2DSequence(); + const_cast< Embedded3DPrimitive2D* >(this)->mbShadow3DChecked = true; + } + + // return if there are shadow primitives + return maShadowPrimitives.hasElements(); + } + + Primitive2DSequence Embedded3DPrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const + { + // use info to create a yellow 2d rectangle, similar to empty 3d scenes and/or groups + const basegfx::B2DRange aLocal2DRange(getB2DRange(rViewInformation)); + const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(aLocal2DRange)); + const basegfx::BColor aYellow(1.0, 1.0, 0.0); + const Primitive2DReference xRef(new PolygonHairlinePrimitive2D(aOutline, aYellow)); + + return Primitive2DSequence(&xRef, 1L); + } + + Embedded3DPrimitive2D::Embedded3DPrimitive2D( + const primitive3d::Primitive3DSequence& rxChildren3D, + const basegfx::B2DHomMatrix& rObjectTransformation, + const geometry::ViewInformation3D& rViewInformation3D, + const basegfx::B3DVector& rLightNormal, + double fShadowSlant, + const basegfx::B3DRange& rScene3DRange) + : BufferedDecompositionPrimitive2D(), + mxChildren3D(rxChildren3D), + maObjectTransformation(rObjectTransformation), + maViewInformation3D(rViewInformation3D), + maLightNormal(rLightNormal), + mfShadowSlant(fShadowSlant), + maScene3DRange(rScene3DRange), + maShadowPrimitives(), + maB2DRange(), + mbShadow3DChecked(false) + { + maLightNormal.normalize(); + } + + bool Embedded3DPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const + { + if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) + { + const Embedded3DPrimitive2D& rCompare = static_cast< const Embedded3DPrimitive2D& >(rPrimitive); + + return (primitive3d::arePrimitive3DSequencesEqual(getChildren3D(), rCompare.getChildren3D()) + && getObjectTransformation() == rCompare.getObjectTransformation() + && getViewInformation3D() == rCompare.getViewInformation3D() + && getLightNormal() == rCompare.getLightNormal() + && getShadowSlant() == rCompare.getShadowSlant() + && getScene3DRange() == rCompare.getScene3DRange()); + } + + return false; + } + + basegfx::B2DRange Embedded3DPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const + { + if(maB2DRange.isEmpty()) + { + // use the 3d transformation stack to create a projection of the 3D range + basegfx::B3DRange a3DRange(primitive3d::getB3DRangeFromPrimitive3DSequence(getChildren3D(), getViewInformation3D())); + a3DRange.transform(getViewInformation3D().getObjectToView()); + + // create 2d range from projected 3d and transform with scene's object transformation + basegfx::B2DRange aNewRange; + aNewRange.expand(basegfx::B2DPoint(a3DRange.getMinX(), a3DRange.getMinY())); + aNewRange.expand(basegfx::B2DPoint(a3DRange.getMaxX(), a3DRange.getMaxY())); + aNewRange.transform(getObjectTransformation()); + + // cehck for 3D shadows and their 2D projections. If those exist, they need to be + // taken into account + if(impGetShadow3D(rViewInformation)) + { + const basegfx::B2DRange aShadow2DRange(getB2DRangeFromPrimitive2DSequence(maShadowPrimitives, rViewInformation)); + + if(!aShadow2DRange.isEmpty()) + { + aNewRange.expand(aShadow2DRange); + } + } + + // assign to buffered value + const_cast< Embedded3DPrimitive2D* >(this)->maB2DRange = aNewRange; + } + + return maB2DRange; + } + + // provide unique ID + ImplPrimitrive2DIDBlock(Embedded3DPrimitive2D, PRIMITIVE2D_ID_EMBEDDED3DPRIMITIVE2D) + + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |