| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_drawinglayer.hxx" |
| |
| #include <drawinglayer/processor3d/cutfindprocessor3d.hxx> |
| #include <drawinglayer/primitive3d/drawinglayer_primitivetypes3d.hxx> |
| #include <drawinglayer/primitive3d/transformprimitive3d.hxx> |
| #include <drawinglayer/primitive3d/hatchtextureprimitive3d.hxx> |
| #include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx> |
| #include <basegfx/polygon/b3dpolygon.hxx> |
| #include <basegfx/polygon/b3dpolygontools.hxx> |
| #include <basegfx/polygon/b3dpolypolygontools.hxx> |
| #include <drawinglayer/primitive3d/hiddengeometryprimitive3d.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace processor3d |
| { |
| CutFindProcessor::CutFindProcessor(const geometry::ViewInformation3D& rViewInformation, |
| const basegfx::B3DPoint& rFront, |
| const basegfx::B3DPoint& rBack, |
| bool bAnyHit) |
| : BaseProcessor3D(rViewInformation), |
| maFront(rFront), |
| maBack(rBack), |
| maResult(), |
| maCombinedTransform(), |
| mbAnyHit(bAnyHit), |
| mbUseInvisiblePrimitiveContent(true) |
| { |
| } |
| |
| void CutFindProcessor::processBasePrimitive3D(const primitive3d::BasePrimitive3D& rCandidate) |
| { |
| if(getAnyHit() && maResult.size()) |
| { |
| // stop processing as soon as a hit was recognized |
| return; |
| } |
| |
| // it is a BasePrimitive3D implementation, use getPrimitive3DID() call for switch |
| switch(rCandidate.getPrimitive3DID()) |
| { |
| case PRIMITIVE3D_ID_TRANSFORMPRIMITIVE3D : |
| { |
| // transform group. |
| const primitive3d::TransformPrimitive3D& rPrimitive = static_cast< const primitive3d::TransformPrimitive3D& >(rCandidate); |
| |
| // remember old and transform front, back to object coordinates |
| const basegfx::B3DPoint aLastFront(maFront); |
| const basegfx::B3DPoint aLastBack(maBack); |
| basegfx::B3DHomMatrix aInverseTrans(rPrimitive.getTransformation()); |
| aInverseTrans.invert(); |
| maFront *= aInverseTrans; |
| maBack *= aInverseTrans; |
| |
| // remember current and create new transformation; add new object transform from right side |
| const geometry::ViewInformation3D aLastViewInformation3D(getViewInformation3D()); |
| const geometry::ViewInformation3D aNewViewInformation3D( |
| aLastViewInformation3D.getObjectTransformation() * rPrimitive.getTransformation(), |
| aLastViewInformation3D.getOrientation(), |
| aLastViewInformation3D.getProjection(), |
| aLastViewInformation3D.getDeviceToView(), |
| aLastViewInformation3D.getViewTime(), |
| aLastViewInformation3D.getExtendedInformationSequence()); |
| updateViewInformation(aNewViewInformation3D); |
| |
| // #i102956# remember needed back-transform for found cuts (combine from right side) |
| const basegfx::B3DHomMatrix aLastCombinedTransform(maCombinedTransform); |
| maCombinedTransform = maCombinedTransform * rPrimitive.getTransformation(); |
| |
| // let break down |
| process(rPrimitive.getChildren()); |
| |
| // restore transformations and front, back |
| maCombinedTransform = aLastCombinedTransform; |
| updateViewInformation(aLastViewInformation3D); |
| maFront = aLastFront; |
| maBack = aLastBack; |
| break; |
| } |
| case PRIMITIVE3D_ID_POLYGONHAIRLINEPRIMITIVE3D : |
| { |
| // PolygonHairlinePrimitive3D, not used for hit test with planes, ignore. This |
| // means that also thick line expansion will not be hit-tested as |
| // PolyPolygonMaterialPrimitive3D |
| break; |
| } |
| case PRIMITIVE3D_ID_HATCHTEXTUREPRIMITIVE3D : |
| { |
| // #i97321# |
| // For HatchTexturePrimitive3D, do not use the decomposition since it will produce |
| // clipped hatch lines in 3D. It can be used when the hatch also has a filling, but for |
| // simplicity, just use the children which are the PolyPolygonMaterialPrimitive3D |
| // which define the hatched areas anyways; for HitTest this is more than adequate |
| const primitive3d::HatchTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::HatchTexturePrimitive3D& >(rCandidate); |
| process(rPrimitive.getChildren()); |
| break; |
| } |
| case PRIMITIVE3D_ID_HIDDENGEOMETRYPRIMITIVE3D : |
| { |
| // HiddenGeometryPrimitive3D; the default decomposition would return an empty seqence, |
| // so force this primitive to process it's children directly if the switch is set |
| // (which is the default). Else, ignore invisible content |
| const primitive3d::HiddenGeometryPrimitive3D& rHiddenGeometry(static_cast< const primitive3d::HiddenGeometryPrimitive3D& >(rCandidate)); |
| const primitive3d::Primitive3DSequence& rChildren = rHiddenGeometry.getChildren(); |
| |
| if(rChildren.hasElements()) |
| { |
| if(getUseInvisiblePrimitiveContent()) |
| { |
| process(rChildren); |
| } |
| } |
| |
| break; |
| } |
| case PRIMITIVE3D_ID_UNIFIEDTRANSPARENCETEXTUREPRIMITIVE3D : |
| { |
| const primitive3d::UnifiedTransparenceTexturePrimitive3D& rPrimitive = static_cast< const primitive3d::UnifiedTransparenceTexturePrimitive3D& >(rCandidate); |
| const primitive3d::Primitive3DSequence rChildren = rPrimitive.getChildren(); |
| |
| if(rChildren.getLength()) |
| { |
| if(1.0 <= rPrimitive.getTransparence()) |
| { |
| // not visible, but use for HitTest |
| if(getUseInvisiblePrimitiveContent()) |
| { |
| process(rChildren); |
| } |
| } |
| else if(rPrimitive.getTransparence() >= 0.0 && rPrimitive.getTransparence() < 1.0) |
| { |
| // visible; use content |
| process(rChildren); |
| } |
| } |
| |
| break; |
| } |
| case PRIMITIVE3D_ID_POLYPOLYGONMATERIALPRIMITIVE3D : |
| { |
| // PolyPolygonMaterialPrimitive3D |
| const primitive3d::PolyPolygonMaterialPrimitive3D& rPrimitive = static_cast< const primitive3d::PolyPolygonMaterialPrimitive3D& >(rCandidate); |
| |
| if(!maFront.equal(maBack)) |
| { |
| const basegfx::B3DPolyPolygon& rPolyPolygon = rPrimitive.getB3DPolyPolygon(); |
| const sal_uInt32 nPolyCount(rPolyPolygon.count()); |
| |
| if(nPolyCount) |
| { |
| const basegfx::B3DPolygon aPolygon(rPolyPolygon.getB3DPolygon(0)); |
| const sal_uInt32 nPointCount(aPolygon.count()); |
| |
| if(nPointCount > 2) |
| { |
| const basegfx::B3DVector aPlaneNormal(aPolygon.getNormal()); |
| |
| if(!aPlaneNormal.equalZero()) |
| { |
| const basegfx::B3DPoint aPointOnPlane(aPolygon.getB3DPoint(0)); |
| double fCut(0.0); |
| |
| if(basegfx::tools::getCutBetweenLineAndPlane(aPlaneNormal, aPointOnPlane, maFront, maBack, fCut)) |
| { |
| const basegfx::B3DPoint aCutPoint(basegfx::interpolate(maFront, maBack, fCut)); |
| |
| if(basegfx::tools::isInside(rPolyPolygon, aCutPoint, false)) |
| { |
| // #i102956# add result. Do not forget to do this in the coordinate |
| // system the processor get started with, so use the collected |
| // combined transformation from processed TransformPrimitive3D's |
| maResult.push_back(maCombinedTransform * aCutPoint); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| break; |
| } |
| default : |
| { |
| // process recursively |
| process(rCandidate.get3DDecomposition(getViewInformation3D())); |
| break; |
| } |
| } |
| } |
| } // end of namespace processor3d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
