/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ /* * This file is part of the LibreOffice project. * * This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. * * This file incorporates work covered by the following license notice: * * 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 . */ #include #include #include #include #include #include #include #include #include #include #include namespace sdr::contact { ViewContactOfSdrPathObj::ViewContactOfSdrPathObj(SdrPathObj& rPathObj) : ViewContactOfTextObj(rPathObj) { } ViewContactOfSdrPathObj::~ViewContactOfSdrPathObj() { } static sal_uInt32 ensureGeometry(basegfx::B2DPolyPolygon& rUnitPolyPolygon) { sal_uInt32 nPolyCount(rUnitPolyPolygon.count()); sal_uInt32 nPointCount(0); for(auto const& rPolygon : rUnitPolyPolygon) { nPointCount += rPolygon.count(); } if(!nPointCount) { OSL_FAIL("PolyPolygon object without geometry detected, this should not be created (!)"); basegfx::B2DPolygon aFallbackLine; aFallbackLine.append(basegfx::B2DPoint(0.0, 0.0)); aFallbackLine.append(basegfx::B2DPoint(1000.0, 1000.0)); rUnitPolyPolygon = basegfx::B2DPolyPolygon(aFallbackLine); nPolyCount = 1; } return nPolyCount; } drawinglayer::primitive2d::Primitive2DContainer ViewContactOfSdrPathObj::createViewIndependentPrimitive2DSequence() const { const SfxItemSet& rItemSet = GetPathObj().GetMergedItemSet(); const drawinglayer::attribute::SdrLineFillShadowTextAttribute aAttribute( drawinglayer::primitive2d::createNewSdrLineFillShadowTextAttribute( rItemSet, GetPathObj().getText(0), false)); basegfx::B2DPolyPolygon aUnitPolyPolygon(GetPathObj().GetPathPoly()); sal_uInt32 nPolyCount(ensureGeometry(aUnitPolyPolygon)); // prepare object transformation and unit polygon (direct model data) basegfx::B2DHomMatrix aObjectMatrix; basegfx::B2DPolyPolygon aUnitDefinitionPolyPolygon; bool bIsLine( !aUnitPolyPolygon.areControlPointsUsed() && 1 == nPolyCount && 2 == aUnitPolyPolygon.getB2DPolygon(0).count()); if(bIsLine) { //tdf#63955 if we have an extremely long line then clip it to a //very generous range of -1 page width/height vs +1 page //width/height to avoid oom and massive churn generating a huge //polygon chain to cover the length in applyLineDashing if this //line is dashed const SdrPage* pPage(GetPathObj().getSdrPageFromSdrObject()); sal_Int32 nPageWidth = pPage ? pPage->GetWidth() : 0; sal_Int32 nPageHeight = pPage ? pPage->GetHeight() : 0; //But, see tdf#101187, only do this if our generous clip region //would not over flow into a tiny clip region if (nPageWidth < SAL_MAX_INT32/2 && nPageHeight < SAL_MAX_INT32/2) { //But, see tdf#97276, tdf#126184 and tdf#98366. Don't clip too much if the //underlying page dimension is unknown or a paste document //where the page sizes use the odd default of 10x10 const SvtOptionsDrawinglayer aDrawinglayerOpt; const sal_Int32 nMaxPaperWidth = aDrawinglayerOpt.GetMaximumPaperWidth() * 1000; const sal_Int32 nMaxPaperHeight = aDrawinglayerOpt.GetMaximumPaperHeight() * 1000; nPageWidth = std::max(nPageWidth, nMaxPaperWidth); nPageHeight = std::max(nPageHeight, nMaxPaperHeight); basegfx::B2DRange aClipRange(-nPageWidth, -nPageHeight, nPageWidth*2, nPageHeight*2); aUnitPolyPolygon = basegfx::utils::clipPolyPolygonOnRange(aUnitPolyPolygon, aClipRange, true, true); nPolyCount = ensureGeometry(aUnitPolyPolygon); // re-check that we have't been clipped out to oblivion bIsLine = !aUnitPolyPolygon.areControlPointsUsed() && 1 == nPolyCount && 2 == aUnitPolyPolygon.getB2DPolygon(0).count(); } } if(bIsLine) { // special handling for single line mode (2 points) const basegfx::B2DPolygon aSubPolygon(aUnitPolyPolygon.getB2DPolygon(0)); const basegfx::B2DPoint aStart(aSubPolygon.getB2DPoint(0)); const basegfx::B2DPoint aEnd(aSubPolygon.getB2DPoint(1)); const basegfx::B2DVector aLine(aEnd - aStart); // #i102548# create new unit polygon for line (horizontal) basegfx::B2DPolygon aNewPolygon; aNewPolygon.append(basegfx::B2DPoint(0.0, 0.0)); aNewPolygon.append(basegfx::B2DPoint(1.0, 0.0)); aUnitPolyPolygon.setB2DPolygon(0, aNewPolygon); // #i102548# fill objectMatrix with rotation and offset (no shear for lines) aObjectMatrix = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix( aLine.getLength(), 1.0, 0.0, atan2(aLine.getY(), aLine.getX()), aStart.getX(), aStart.getY()); } else { // #i102548# create unscaled, unsheared, unrotated and untranslated polygon // (unit polygon) by creating the object matrix and back-transforming the polygon const basegfx::B2DRange aObjectRange(basegfx::utils::getRange(aUnitPolyPolygon)); const GeoStat& rGeoStat(GetPathObj().GetGeoStat()); const double fWidth(aObjectRange.getWidth()); const double fHeight(aObjectRange.getHeight()); const double fScaleX(basegfx::fTools::equalZero(fWidth) ? 1.0 : fWidth); const double fScaleY(basegfx::fTools::equalZero(fHeight) ? 1.0 : fHeight); aObjectMatrix = basegfx::utils::createScaleShearXRotateTranslateB2DHomMatrix( fScaleX, fScaleY, rGeoStat.nShearAngle ? tan((36000 - rGeoStat.nShearAngle) * F_PI18000) : 0.0, rGeoStat.nRotationAngle ? (36000 - rGeoStat.nRotationAngle) * F_PI18000 : 0.0, aObjectRange.getMinX(), aObjectRange.getMinY()); // create unit polygon from object's absolute path basegfx::B2DHomMatrix aInverse(aObjectMatrix); aInverse.invert(); aUnitPolyPolygon.transform(aInverse); // OperationSmiley: Check if a FillGeometryDefiningShape is set const SdrObject* pFillGeometryDefiningShape(GetPathObj().getFillGeometryDefiningShape()); if(nullptr != pFillGeometryDefiningShape) { // If yes, get it's BoundRange and use as defining Geometry for the FillStyle. // If no, aUnitDefinitionPolyPolygon will just be empty and thus be interpreted // as unused. // Using SnapRect will make the FillDefinition to always be extended e.g. // for rotated/sheared objects. const tools::Rectangle& rSnapRect(pFillGeometryDefiningShape->GetSnapRect()); aUnitDefinitionPolyPolygon.append( basegfx::utils::createPolygonFromRect( vcl::unotools::b2DRectangleFromRectangle(rSnapRect))); // use same coordinate system as the shape geometry -> this // makes it relative to shape's unit geometry and thus freely // transformable with the shape aUnitDefinitionPolyPolygon.transform(aInverse); } } // create primitive. Always create primitives to allow the decomposition of // SdrPathPrimitive2D to create needed invisible elements for HitTest and/or BoundRect const drawinglayer::primitive2d::Primitive2DReference xReference( new drawinglayer::primitive2d::SdrPathPrimitive2D( aObjectMatrix, aAttribute, aUnitPolyPolygon, aUnitDefinitionPolyPolygon)); return drawinglayer::primitive2d::Primitive2DContainer { xReference }; } } // end of namespace /* vim:set shiftwidth=4 softtabstop=4 expandtab: */