f62a353a7f
Change-Id: I83fa2d40225f83b82cea7f8934f4afdee181abe3 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/117000 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
134 lines
5.4 KiB
C++
134 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/range/b2drectangle.hxx>
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#include <basegfx/polygon/b2dpolygon.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <sal/log.hxx>
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#include "emfpregion.hxx"
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#include "emfppath.hxx"
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namespace emfplushelper
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{
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EMFPRegion::EMFPRegion()
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{
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}
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EMFPRegion::~EMFPRegion()
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{
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}
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::basegfx::B2DPolyPolygon EMFPRegion::ReadRegionNode(SvStream& s, EmfPlusHelperData& rR)
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{
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// Regions are specified as a binary tree of region nodes, and each node must either be a terminal node
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// (RegionNodeDataTypeRect, RegionNodeDataTypePath, RegionNodeDataTypeEmpty, RegionNodeDataTypeInfinite)
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// or specify one or two child nodes
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// (RegionNodeDataTypeAnd, RegionNodeDataTypeOr, RegionNodeDataTypeXor,
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// RegionNodeDataTypeExclude, RegionNodeDataTypeComplement).
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sal_uInt32 dataType;
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::basegfx::B2DPolyPolygon polygon;
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s.ReadUInt32(dataType);
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SAL_INFO("drawinglayer.emf", "EMF+\t Region node data type 0x" << std::hex << dataType << std::dec);
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switch (dataType)
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{
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case RegionNodeDataTypeAnd: // CombineModeIntersect
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case RegionNodeDataTypeOr: // CombineModeUnion
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case RegionNodeDataTypeXor: // CombineModeXOR
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case RegionNodeDataTypeExclude: // CombineModeExclude
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case RegionNodeDataTypeComplement: // CombineModeComplement
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{
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::basegfx::B2DPolyPolygon leftPolygon = ReadRegionNode(s, rR);
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::basegfx::B2DPolyPolygon rightPolygon = ReadRegionNode(s, rR);
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polygon = EmfPlusHelperData::combineClip(leftPolygon, dataType, rightPolygon);
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break;
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}
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case RegionNodeDataTypeRect:
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{
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float dx, dy, dw, dh;
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s.ReadFloat(dx).ReadFloat(dy).ReadFloat(dw).ReadFloat(dh);
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SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeRect x:" << dx << ", y:" << dy <<
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", width:" << dw << ", height:" << dh);
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const ::basegfx::B2DPoint mappedStartPoint(rR.Map(dx, dy));
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const ::basegfx::B2DPoint mappedEndPoint(rR.Map(dx + dw, dy + dh));
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polygon = ::basegfx::B2DPolyPolygon(
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::basegfx::utils::createPolygonFromRect(
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::basegfx::B2DRectangle(
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mappedStartPoint.getX(),
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mappedStartPoint.getY(),
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mappedEndPoint.getX(),
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mappedEndPoint.getY())));
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break;
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}
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case RegionNodeDataTypePath:
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{
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sal_Int32 pathLength;
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s.ReadInt32(pathLength);
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SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypePath, Path Length: " << pathLength << " bytes");
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sal_uInt32 header, pathFlags;
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sal_Int32 points;
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s.ReadUInt32(header).ReadInt32(points).ReadUInt32(pathFlags);
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SAL_INFO("drawinglayer.emf", "EMF+\t\t header: 0x" << std::hex << header <<
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" points: " << std::dec << points << " additional flags: 0x" << std::hex << pathFlags << std::dec);
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EMFPPath path(points);
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path.Read(s, pathFlags);
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polygon = path.GetPolygon(rR);
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break;
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}
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case RegionNodeDataTypeEmpty:
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{
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SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeEmpty");
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SAL_WARN("drawinglayer.emf", "EMF+\t\t TODO we need to set empty polygon here");
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polygon = ::basegfx::B2DPolyPolygon();
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break;
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}
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case RegionNodeDataTypeInfinite:
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{
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SAL_INFO("drawinglayer.emf", "EMF+\t\t RegionNodeDataTypeInfinite");
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polygon = ::basegfx::B2DPolyPolygon();
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break;
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}
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default:
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{
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SAL_WARN("drawinglayer.emf", "EMF+\t\t Unhandled region type: 0x" << std::hex << dataType << std::dec);
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polygon = ::basegfx::B2DPolyPolygon();
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}
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}
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return polygon;
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}
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void EMFPRegion::ReadRegion(SvStream& s, EmfPlusHelperData& rR)
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{
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sal_uInt32 header, count;
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s.ReadUInt32(header).ReadUInt32(count);
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// An array should be RegionNodeCount+1 of EmfPlusRegionNode objects.
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SAL_INFO("drawinglayer.emf", "EMF+\t version: 0x" << std::hex << header << std::dec << ", region node count: " << count);
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regionPolyPolygon = ReadRegionNode(s, rR);
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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