/* -*- 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 #include #include #include #include #include #include #include #include #include #include "emfppath.hxx" using namespace ::com::sun::star; using namespace ::basegfx; namespace cppcanvas { namespace internal { EMFPPath::EMFPPath (sal_Int32 _nPoints, bool bLines) { if( _nPoints<0 || sal_uInt32(_nPoints)>SAL_MAX_INT32/(2*sizeof(float)) ) _nPoints = SAL_MAX_INT32/(2*sizeof(float)); nPoints = _nPoints; pPoints.reset( new float [nPoints*2] ); if (!bLines) pPointTypes.reset( new sal_uInt8 [_nPoints] ); } EMFPPath::~EMFPPath () { } // TODO: remove rR argument when debug code is no longer needed void EMFPPath::Read (SvStream& s, sal_uInt32 pathFlags, ImplRenderer const & rR) { for (int i = 0; i < nPoints; i ++) { if (pathFlags & 0x800) { // EMFPlusPointR: points are stored in EMFPlusInteger7 or // EMFPlusInteger15 objects, see section 2.2.2.21/22 // If 0x800 bit is set, the 0x4000 bit is undefined and must be ignored SAL_WARN("cppcanvas.emf", "EMF+\t\t TODO - parse EMFPlusPointR object (section 2.2.1.6)"); } else if (pathFlags & 0x4000) { // EMFPlusPoint: stored in signed short 16bit integer format sal_Int16 x, y; s.ReadInt16( x ).ReadInt16( y ); SAL_INFO ("cppcanvas.emf", "EMF+\t EMFPlusPoint [x,y]: " << x << "," << y); pPoints [i*2] = x; pPoints [i*2 + 1] = y; } else { // EMFPlusPointF: stored in Single (float) format s.ReadFloat( pPoints [i*2] ).ReadFloat( pPoints [i*2 + 1] ); SAL_INFO ("cppcanvas.emf", "EMF+\t EMFPlusPointF [x,y]: " << pPoints [i*2] << "," << pPoints [i*2 + 1]); } } if (pPointTypes) for (int i = 0; i < nPoints; i ++) { s.ReadUChar( pPointTypes [i] ); SAL_INFO ("cppcanvas.emf", "EMF+\tpoint type: " << static_cast(pPointTypes [i])); } aPolygon.clear (); #if OSL_DEBUG_LEVEL > 1 const ::basegfx::B2DRectangle aBounds (::basegfx::utils::getRange (GetPolygon (rR))); SAL_INFO ("cppcanvas.emf", "EMF+\tpolygon bounding box: " << aBounds.getMinX () << "," << aBounds.getMinY () << aBounds.getWidth () << "x" << aBounds.getHeight () << " (mapped)"); #else (void) rR; // avoid warnings #endif } ::basegfx::B2DPolyPolygon& EMFPPath::GetPolygon (ImplRenderer const & rR, bool bMapIt, bool bAddLineToCloseShape) { ::basegfx::B2DPolygon polygon; aPolygon.clear (); int last_normal = 0, p = 0; ::basegfx::B2DPoint prev, mapped; bool hasPrev = false; for (int i = 0; i < nPoints; i ++) { if (p && pPointTypes && (pPointTypes [i] == 0)) { aPolygon.append (polygon); last_normal = i; p = 0; polygon.clear (); } if (bMapIt) mapped = rR.Map (pPoints [i*2], pPoints [i*2 + 1]); else mapped = ::basegfx::B2DPoint (pPoints [i*2], pPoints [i*2 + 1]); if (pPointTypes) { if ((pPointTypes [i] & 0x07) == 3) { if (((i - last_normal )% 3) == 1) { polygon.setNextControlPoint (p - 1, mapped); SAL_INFO ("cppcanvas.emf", "polygon append next: " << p - 1 << " mapped: " << mapped.getX () << "," << mapped.getY ()); continue; } else if (((i - last_normal) % 3) == 2) { prev = mapped; hasPrev = true; continue; } } else last_normal = i; } polygon.append (mapped); SAL_INFO ("cppcanvas.emf", "polygon append point: " << pPoints [i*2] << "," << pPoints [i*2 + 1] << " mapped: " << mapped.getX () << ":" << mapped.getY ()); if (hasPrev) { polygon.setPrevControlPoint (p, prev); SAL_INFO ("cppcanvas.emf", "polygon append prev: " << p << " mapped: " << prev.getX () << "," << prev.getY ()); hasPrev = false; } p ++; if (pPointTypes && (pPointTypes [i] & 0x80)) { // closed polygon polygon.setClosed (true); aPolygon.append (polygon); SAL_INFO ("cppcanvas.emf", "close polygon"); last_normal = i + 1; p = 0; polygon.clear (); } } // Draw an extra line between the last point and the first point, to close the shape. if (bAddLineToCloseShape) { if (bMapIt) polygon.append (rR.Map (pPoints [0], pPoints [1]) ); else polygon.append (::basegfx::B2DPoint (pPoints [0], pPoints [1]) ); } if (polygon.count ()) { aPolygon.append (polygon); #if OSL_DEBUG_LEVEL > 1 for (unsigned int i=0; i