| /************************************************************** |
| * |
| * 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/primitive2d/primitivetools2d.hxx> |
| #include <basegfx/vector/b2dvector.hxx> |
| #include <drawinglayer/geometry/viewinformation2d.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace primitive2d |
| { |
| Primitive2DSequence DiscreteMetricDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| |
| // get the current DiscreteUnit, look at X and Y and use the maximum |
| const basegfx::B2DVector aDiscreteVector(rViewInformation.getInverseObjectToViewTransformation() * basegfx::B2DVector(1.0, 1.0)); |
| const double fDiscreteUnit(std::min(fabs(aDiscreteVector.getX()), fabs(aDiscreteVector.getY()))); |
| |
| if(getBuffered2DDecomposition().hasElements() && !basegfx::fTools::equal(fDiscreteUnit, getDiscreteUnit())) |
| { |
| // conditions of last local decomposition have changed, delete |
| const_cast< DiscreteMetricDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); |
| } |
| |
| if(!getBuffered2DDecomposition().hasElements()) |
| { |
| // remember new valid DiscreteUnit |
| const_cast< DiscreteMetricDependentPrimitive2D* >(this)->updateDiscreteUnit(fDiscreteUnit); |
| } |
| |
| // call base implementation |
| return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); |
| } |
| } // end of namespace primitive2d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace primitive2d |
| { |
| Primitive2DSequence ViewportDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| |
| // get the current Viewport |
| const basegfx::B2DRange& rViewport = rViewInformation.getViewport(); |
| |
| if(getBuffered2DDecomposition().hasElements() && !rViewport.equal(getViewport())) |
| { |
| // conditions of last local decomposition have changed, delete |
| const_cast< ViewportDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); |
| } |
| |
| if(!getBuffered2DDecomposition().hasElements()) |
| { |
| // remember new valid DiscreteUnit |
| const_cast< ViewportDependentPrimitive2D* >(this)->maViewport = rViewport; |
| } |
| |
| // call base implementation |
| return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); |
| } |
| } // end of namespace primitive2d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace primitive2d |
| { |
| Primitive2DSequence ViewTransformationDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| |
| // get the current ViewTransformation |
| const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation(); |
| |
| if(getBuffered2DDecomposition().hasElements() && rViewTransformation != getViewTransformation()) |
| { |
| // conditions of last local decomposition have changed, delete |
| const_cast< ViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); |
| } |
| |
| if(!getBuffered2DDecomposition().hasElements()) |
| { |
| // remember new valid ViewTransformation |
| const_cast< ViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation; |
| } |
| |
| // call base implementation |
| return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); |
| } |
| } // end of namespace primitive2d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace drawinglayer |
| { |
| namespace primitive2d |
| { |
| Primitive2DSequence ObjectAndViewTransformationDependentPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const |
| { |
| ::osl::MutexGuard aGuard( m_aMutex ); |
| |
| // get the current ViewTransfromation |
| const basegfx::B2DHomMatrix& rViewTransformation = rViewInformation.getViewTransformation(); |
| |
| if(getBuffered2DDecomposition().hasElements() && rViewTransformation != getViewTransformation()) |
| { |
| // conditions of last local decomposition have changed, delete |
| const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); |
| } |
| |
| // get the current ObjectTransformation |
| const basegfx::B2DHomMatrix& rObjectTransformation = rViewInformation.getObjectTransformation(); |
| |
| if(getBuffered2DDecomposition().hasElements() && rObjectTransformation != getObjectTransformation()) |
| { |
| // conditions of last local decomposition have changed, delete |
| const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); |
| } |
| |
| if(!getBuffered2DDecomposition().hasElements()) |
| { |
| // remember new valid ViewTransformation, and ObjectTransformation |
| const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maViewTransformation = rViewTransformation; |
| const_cast< ObjectAndViewTransformationDependentPrimitive2D* >(this)->maObjectTransformation = rObjectTransformation; |
| } |
| |
| // call base implementation |
| return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); |
| } |
| } // end of namespace primitive2d |
| } // end of namespace drawinglayer |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |