1*464702f4SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*464702f4SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*464702f4SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*464702f4SAndrew Rist * distributed with this work for additional information 6*464702f4SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*464702f4SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*464702f4SAndrew Rist * "License"); you may not use this file except in compliance 9*464702f4SAndrew Rist * with the License. You may obtain a copy of the License at 10*464702f4SAndrew Rist * 11*464702f4SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*464702f4SAndrew Rist * 13*464702f4SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*464702f4SAndrew Rist * software distributed under the License is distributed on an 15*464702f4SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*464702f4SAndrew Rist * KIND, either express or implied. See the License for the 17*464702f4SAndrew Rist * specific language governing permissions and limitations 18*464702f4SAndrew Rist * under the License. 19*464702f4SAndrew Rist * 20*464702f4SAndrew Rist *************************************************************/ 21*464702f4SAndrew Rist 22*464702f4SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 25cdf0e10cSrcweir #include "precompiled_drawinglayer.hxx" 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <drawinglayer/primitive2d/helplineprimitive2d.hxx> 28cdf0e10cSrcweir #include <basegfx/polygon/b2dpolygon.hxx> 29cdf0e10cSrcweir #include <drawinglayer/primitive2d/polygonprimitive2d.hxx> 30cdf0e10cSrcweir #include <basegfx/polygon/b2dpolygonclipper.hxx> 31cdf0e10cSrcweir #include <basegfx/tools/canvastools.hxx> 32cdf0e10cSrcweir #include <drawinglayer/geometry/viewinformation2d.hxx> 33cdf0e10cSrcweir #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx> 34cdf0e10cSrcweir 35cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 36cdf0e10cSrcweir 37cdf0e10cSrcweir using namespace com::sun::star; 38cdf0e10cSrcweir 39cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 40cdf0e10cSrcweir 41cdf0e10cSrcweir namespace drawinglayer 42cdf0e10cSrcweir { 43cdf0e10cSrcweir namespace primitive2d 44cdf0e10cSrcweir { create2DDecomposition(const geometry::ViewInformation2D & rViewInformation) const45cdf0e10cSrcweir Primitive2DSequence HelplinePrimitive2D::create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const 46cdf0e10cSrcweir { 47cdf0e10cSrcweir std::vector< BasePrimitive2D* > aTempPrimitiveTarget; 48cdf0e10cSrcweir 49cdf0e10cSrcweir if(!rViewInformation.getViewport().isEmpty() && !getDirection().equalZero()) 50cdf0e10cSrcweir { 51cdf0e10cSrcweir // position to view coordinates, DashLen and DashLen in logic 52cdf0e10cSrcweir const basegfx::B2DPoint aViewPosition(rViewInformation.getObjectToViewTransformation() * getPosition()); 53cdf0e10cSrcweir 54cdf0e10cSrcweir switch(getStyle()) 55cdf0e10cSrcweir { 56cdf0e10cSrcweir default : // HELPLINESTYLE2D_POINT 57cdf0e10cSrcweir { 58cdf0e10cSrcweir const double fViewFixValue(15.0); 59cdf0e10cSrcweir basegfx::B2DVector aNormalizedDirection(getDirection()); 60cdf0e10cSrcweir aNormalizedDirection.normalize(); 61cdf0e10cSrcweir aNormalizedDirection *= fViewFixValue; 62cdf0e10cSrcweir const basegfx::B2DPoint aStartA(aViewPosition - aNormalizedDirection); 63cdf0e10cSrcweir const basegfx::B2DPoint aEndA(aViewPosition + aNormalizedDirection); 64cdf0e10cSrcweir basegfx::B2DPolygon aLineA; 65cdf0e10cSrcweir aLineA.append(aStartA); 66cdf0e10cSrcweir aLineA.append(aEndA); 67cdf0e10cSrcweir aLineA.transform(rViewInformation.getInverseObjectToViewTransformation()); 68cdf0e10cSrcweir PolygonMarkerPrimitive2D* pNewA = new PolygonMarkerPrimitive2D(aLineA, getRGBColA(), getRGBColB(), getDiscreteDashLength()); 69cdf0e10cSrcweir aTempPrimitiveTarget.push_back(pNewA); 70cdf0e10cSrcweir 71cdf0e10cSrcweir const basegfx::B2DVector aPerpendicularNormalizedDirection(basegfx::getPerpendicular(aNormalizedDirection)); 72cdf0e10cSrcweir const basegfx::B2DPoint aStartB(aViewPosition - aPerpendicularNormalizedDirection); 73cdf0e10cSrcweir const basegfx::B2DPoint aEndB(aViewPosition + aPerpendicularNormalizedDirection); 74cdf0e10cSrcweir basegfx::B2DPolygon aLineB; 75cdf0e10cSrcweir aLineB.append(aStartB); 76cdf0e10cSrcweir aLineB.append(aEndB); 77cdf0e10cSrcweir aLineB.transform(rViewInformation.getInverseObjectToViewTransformation()); 78cdf0e10cSrcweir PolygonMarkerPrimitive2D* pNewB = new PolygonMarkerPrimitive2D(aLineB, getRGBColA(), getRGBColB(), getDiscreteDashLength()); 79cdf0e10cSrcweir aTempPrimitiveTarget.push_back(pNewB); 80cdf0e10cSrcweir 81cdf0e10cSrcweir break; 82cdf0e10cSrcweir } 83cdf0e10cSrcweir case HELPLINESTYLE2D_LINE : 84cdf0e10cSrcweir { 85cdf0e10cSrcweir basegfx::B2DPolygon aLine; 86cdf0e10cSrcweir 87cdf0e10cSrcweir if(basegfx::areParallel(getDirection(), basegfx::B2DVector(1.0, 0.0))) 88cdf0e10cSrcweir { 89cdf0e10cSrcweir // parallel to X-Axis, get cuts with Y-Axes 90cdf0e10cSrcweir const double fCutA((rViewInformation.getDiscreteViewport().getMinX() - aViewPosition.getX()) / getDirection().getX()); 91cdf0e10cSrcweir const double fCutB((rViewInformation.getDiscreteViewport().getMaxX() - aViewPosition.getX()) / getDirection().getX()); 92cdf0e10cSrcweir const basegfx::B2DPoint aPosA(aViewPosition + (fCutA * getDirection())); 93cdf0e10cSrcweir const basegfx::B2DPoint aPosB(aViewPosition + (fCutB * getDirection())); 94cdf0e10cSrcweir const bool bBothLeft(aPosA.getX() < rViewInformation.getDiscreteViewport().getMinX() && aPosB.getX() < rViewInformation.getDiscreteViewport().getMinX()); 95cdf0e10cSrcweir const bool bBothRight(aPosA.getX() > rViewInformation.getDiscreteViewport().getMaxX() && aPosB.getX() < rViewInformation.getDiscreteViewport().getMaxX()); 96cdf0e10cSrcweir 97cdf0e10cSrcweir if(!bBothLeft && !bBothRight) 98cdf0e10cSrcweir { 99cdf0e10cSrcweir aLine.append(aPosA); 100cdf0e10cSrcweir aLine.append(aPosB); 101cdf0e10cSrcweir } 102cdf0e10cSrcweir } 103cdf0e10cSrcweir else 104cdf0e10cSrcweir { 105cdf0e10cSrcweir // get cuts with X-Axes 106cdf0e10cSrcweir const double fCutA((rViewInformation.getDiscreteViewport().getMinY() - aViewPosition.getY()) / getDirection().getY()); 107cdf0e10cSrcweir const double fCutB((rViewInformation.getDiscreteViewport().getMaxY() - aViewPosition.getY()) / getDirection().getY()); 108cdf0e10cSrcweir const basegfx::B2DPoint aPosA(aViewPosition + (fCutA * getDirection())); 109cdf0e10cSrcweir const basegfx::B2DPoint aPosB(aViewPosition + (fCutB * getDirection())); 110cdf0e10cSrcweir const bool bBothAbove(aPosA.getY() < rViewInformation.getDiscreteViewport().getMinY() && aPosB.getY() < rViewInformation.getDiscreteViewport().getMinY()); 111cdf0e10cSrcweir const bool bBothBelow(aPosA.getY() > rViewInformation.getDiscreteViewport().getMaxY() && aPosB.getY() < rViewInformation.getDiscreteViewport().getMaxY()); 112cdf0e10cSrcweir 113cdf0e10cSrcweir if(!bBothAbove && !bBothBelow) 114cdf0e10cSrcweir { 115cdf0e10cSrcweir aLine.append(aPosA); 116cdf0e10cSrcweir aLine.append(aPosB); 117cdf0e10cSrcweir } 118cdf0e10cSrcweir } 119cdf0e10cSrcweir 120cdf0e10cSrcweir if(aLine.count()) 121cdf0e10cSrcweir { 122cdf0e10cSrcweir // clip against visible area 123cdf0e10cSrcweir const basegfx::B2DPolyPolygon aResult(basegfx::tools::clipPolygonOnRange(aLine, rViewInformation.getDiscreteViewport(), true, true)); 124cdf0e10cSrcweir 125cdf0e10cSrcweir for(sal_uInt32 a(0L); a < aResult.count(); a++) 126cdf0e10cSrcweir { 127cdf0e10cSrcweir basegfx::B2DPolygon aPart(aResult.getB2DPolygon(a)); 128cdf0e10cSrcweir aPart.transform(rViewInformation.getInverseObjectToViewTransformation()); 129cdf0e10cSrcweir PolygonMarkerPrimitive2D* pNew = new PolygonMarkerPrimitive2D(aPart, getRGBColA(), getRGBColB(), getDiscreteDashLength()); 130cdf0e10cSrcweir aTempPrimitiveTarget.push_back(pNew); 131cdf0e10cSrcweir } 132cdf0e10cSrcweir } 133cdf0e10cSrcweir 134cdf0e10cSrcweir break; 135cdf0e10cSrcweir } 136cdf0e10cSrcweir } 137cdf0e10cSrcweir } 138cdf0e10cSrcweir 139cdf0e10cSrcweir // prepare return value 140cdf0e10cSrcweir Primitive2DSequence aRetval(aTempPrimitiveTarget.size()); 141cdf0e10cSrcweir 142cdf0e10cSrcweir for(sal_uInt32 a(0L); a < aTempPrimitiveTarget.size(); a++) 143cdf0e10cSrcweir { 144cdf0e10cSrcweir const Primitive2DReference xRef(aTempPrimitiveTarget[a]); 145cdf0e10cSrcweir aRetval[a] = xRef; 146cdf0e10cSrcweir } 147cdf0e10cSrcweir 148cdf0e10cSrcweir return aRetval; 149cdf0e10cSrcweir } 150cdf0e10cSrcweir HelplinePrimitive2D(const basegfx::B2DPoint & rPosition,const basegfx::B2DVector & rDirection,HelplineStyle2D eStyle,const basegfx::BColor & rRGBColA,const basegfx::BColor & rRGBColB,double fDiscreteDashLength)151cdf0e10cSrcweir HelplinePrimitive2D::HelplinePrimitive2D( 152cdf0e10cSrcweir const basegfx::B2DPoint& rPosition, 153cdf0e10cSrcweir const basegfx::B2DVector& rDirection, 154cdf0e10cSrcweir HelplineStyle2D eStyle, 155cdf0e10cSrcweir const basegfx::BColor& rRGBColA, 156cdf0e10cSrcweir const basegfx::BColor& rRGBColB, 157cdf0e10cSrcweir double fDiscreteDashLength) 158cdf0e10cSrcweir : BufferedDecompositionPrimitive2D(), 159cdf0e10cSrcweir maPosition(rPosition), 160cdf0e10cSrcweir maDirection(rDirection), 161cdf0e10cSrcweir meStyle(eStyle), 162cdf0e10cSrcweir maRGBColA(rRGBColA), 163cdf0e10cSrcweir maRGBColB(rRGBColB), 164cdf0e10cSrcweir mfDiscreteDashLength(fDiscreteDashLength), 165cdf0e10cSrcweir maLastObjectToViewTransformation(), 166cdf0e10cSrcweir maLastViewport() 167cdf0e10cSrcweir { 168cdf0e10cSrcweir } 169cdf0e10cSrcweir operator ==(const BasePrimitive2D & rPrimitive) const170cdf0e10cSrcweir bool HelplinePrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const 171cdf0e10cSrcweir { 172cdf0e10cSrcweir if(BufferedDecompositionPrimitive2D::operator==(rPrimitive)) 173cdf0e10cSrcweir { 174cdf0e10cSrcweir const HelplinePrimitive2D& rCompare = (HelplinePrimitive2D&)rPrimitive; 175cdf0e10cSrcweir 176cdf0e10cSrcweir return (getPosition() == rCompare.getPosition() 177cdf0e10cSrcweir && getDirection() == rCompare.getDirection() 178cdf0e10cSrcweir && getStyle() == rCompare.getStyle() 179cdf0e10cSrcweir && getRGBColA() == rCompare.getRGBColA() 180cdf0e10cSrcweir && getRGBColB() == rCompare.getRGBColB() 181cdf0e10cSrcweir && getDiscreteDashLength() == rCompare.getDiscreteDashLength()); 182cdf0e10cSrcweir } 183cdf0e10cSrcweir 184cdf0e10cSrcweir return false; 185cdf0e10cSrcweir } 186cdf0e10cSrcweir get2DDecomposition(const geometry::ViewInformation2D & rViewInformation) const187cdf0e10cSrcweir Primitive2DSequence HelplinePrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const 188cdf0e10cSrcweir { 189cdf0e10cSrcweir ::osl::MutexGuard aGuard( m_aMutex ); 190cdf0e10cSrcweir 191cdf0e10cSrcweir if(getBuffered2DDecomposition().hasElements()) 192cdf0e10cSrcweir { 193cdf0e10cSrcweir if(maLastViewport != rViewInformation.getViewport() || maLastObjectToViewTransformation != rViewInformation.getObjectToViewTransformation()) 194cdf0e10cSrcweir { 195cdf0e10cSrcweir // conditions of last local decomposition have changed, delete 196cdf0e10cSrcweir const_cast< HelplinePrimitive2D* >(this)->setBuffered2DDecomposition(Primitive2DSequence()); 197cdf0e10cSrcweir } 198cdf0e10cSrcweir } 199cdf0e10cSrcweir 200cdf0e10cSrcweir if(!getBuffered2DDecomposition().hasElements()) 201cdf0e10cSrcweir { 202cdf0e10cSrcweir // remember ViewRange and ViewTransformation 203cdf0e10cSrcweir const_cast< HelplinePrimitive2D* >(this)->maLastObjectToViewTransformation = rViewInformation.getObjectToViewTransformation(); 204cdf0e10cSrcweir const_cast< HelplinePrimitive2D* >(this)->maLastViewport = rViewInformation.getViewport(); 205cdf0e10cSrcweir } 206cdf0e10cSrcweir 207cdf0e10cSrcweir // use parent implementation 208cdf0e10cSrcweir return BufferedDecompositionPrimitive2D::get2DDecomposition(rViewInformation); 209cdf0e10cSrcweir } 210cdf0e10cSrcweir 211cdf0e10cSrcweir // provide unique ID 212cdf0e10cSrcweir ImplPrimitrive2DIDBlock(HelplinePrimitive2D, PRIMITIVE2D_ID_HELPLINEPRIMITIVE2D) 213cdf0e10cSrcweir 214cdf0e10cSrcweir } // end of namespace primitive2d 215cdf0e10cSrcweir } // end of namespace drawinglayer 216cdf0e10cSrcweir 217cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 218cdf0e10cSrcweir // eof 219