diff options
Diffstat (limited to 'drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx | 77 |
1 files changed, 61 insertions, 16 deletions
diff --git a/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx b/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx index 1493b221c3af..c4377bb16c62 100644 --- a/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx +++ b/drawinglayer/source/primitive2d/embedded3dprimitive2d.cxx @@ -4,9 +4,9 @@ * * $RCSfile: embedded3dprimitive2d.cxx,v $ * - * $Revision: 1.7 $ + * $Revision: 1.8 $ * - * last change: $Author: aw $ $Date: 2008-06-10 09:29:32 $ + * last change: $Author: aw $ $Date: 2008-06-24 15:31:08 $ * * The Contents of this file are made available subject to * the terms of GNU Lesser General Public License Version 2.1. @@ -45,6 +45,7 @@ #include <drawinglayer/geometry/viewinformation2d.hxx> #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> #include <drawinglayer/geometry/viewinformation3d.hxx> +#include <drawinglayer/processor3d/shadow3dextractor.hxx> ////////////////////////////////////////////////////////////////////////////// @@ -56,33 +57,62 @@ namespace drawinglayer { namespace primitive2d { - Primitive2DSequence Embedded3DPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const + bool Embedded3DPrimitive2D::impGetShadow3D(const geometry::ViewInformation2D& /*rViewInformation*/) const { - // use info to create a yellow 2d rectangle, similar to empty 3d scenes and/or groups - basegfx::B3DRange a3DRange(primitive3d::getB3DRangeFromPrimitive3DSequence(getChildren3D(), getViewInformation3D())); - a3DRange.transform(getViewInformation3D().getObjectToView()); + osl::MutexGuard aGuard( m_aMutex ); - // create 2d range from projected 3d and transform with scene's object transformation - basegfx::B2DRange a2DRange; - a2DRange.expand(basegfx::B2DPoint(a3DRange.getMinX(), a3DRange.getMinY())); - a2DRange.expand(basegfx::B2DPoint(a3DRange.getMaxX(), a3DRange.getMaxY())); - a2DRange.transform(getObjectTransformation()); + // 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(); + } - const basegfx::B2DPolygon aOutline(basegfx::tools::createPolygonFromRect(a2DRange)); + Primitive2DSequence Embedded3DPrimitive2D::createLocalDecomposition(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 geometry::ViewInformation3D& rViewInformation3D, + const basegfx::B3DVector& rLightNormal, + double fShadowSlant, + const basegfx::B3DRange& rScene3DRange) : BasePrimitive2D(), mxChildren3D(rxChildren3D), maObjectTransformation(rObjectTransformation), - maViewInformation3D(rViewInformation3D) + maViewInformation3D(rViewInformation3D), + maLightNormal(rLightNormal), + mfShadowSlant(fShadowSlant), + maScene3DRange(rScene3DRange), + maShadowPrimitives(), + mbShadow3DChecked(false) { + maLightNormal.normalize(); } bool Embedded3DPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const @@ -93,13 +123,16 @@ namespace drawinglayer return (primitive3d::arePrimitive3DSequencesEqual(getChildren3D(), rCompare.getChildren3D()) && getObjectTransformation() == rCompare.getObjectTransformation() - && getViewInformation3D() == rCompare.getViewInformation3D()); + && getViewInformation3D() == rCompare.getViewInformation3D() + && getLightNormal() == rCompare.getLightNormal() + && getShadowSlant() == rCompare.getShadowSlant() + && getScene3DRange() == rCompare.getScene3DRange()); } return false; } - basegfx::B2DRange Embedded3DPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const + basegfx::B2DRange Embedded3DPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const { // use the 3d transformation stack to create a projection of the 3D range basegfx::B3DRange a3DRange(primitive3d::getB3DRangeFromPrimitive3DSequence(getChildren3D(), getViewInformation3D())); @@ -111,6 +144,18 @@ namespace drawinglayer aRetval.expand(basegfx::B2DPoint(a3DRange.getMaxX(), a3DRange.getMaxY())); aRetval.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()) + { + aRetval.expand(aShadow2DRange); + } + } + return aRetval; } |