/* -*- 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 GfxLink::GfxLink() : meType(GfxLinkType::NONE) , mnUserId(0) , maHash(0) , mbPrefMapModeValid(false) , mbPrefSizeValid(false) { } GfxLink::GfxLink(std::unique_ptr pBuf, sal_uInt32 nSize, GfxLinkType nType) : meType(nType) , mnUserId(0) , maDataContainer(pBuf.get(), nSize) , maHash(0) , mbPrefMapModeValid(false) , mbPrefSizeValid(false) { } GfxLink::GfxLink(BinaryDataContainer const & rDataConainer, GfxLinkType nType) : meType(nType) , mnUserId(0) , maDataContainer(rDataConainer) , maHash(0) , mbPrefMapModeValid(false) , mbPrefSizeValid(false) { } size_t GfxLink::GetHash() const { if (!maHash) { std::size_t seed = maDataContainer.calculateHash(); o3tl::hash_combine(seed, meType); maHash = seed; } return maHash; } bool GfxLink::operator==( const GfxLink& rGfxLink ) const { if (GetDataSize() != rGfxLink.GetDataSize() || meType != rGfxLink.meType || GetHash() != rGfxLink.GetHash()) return false; const sal_uInt8* pSource = GetData(); const sal_uInt8* pDestination = rGfxLink.GetData(); if (pSource == pDestination) return true; sal_uInt32 nSourceSize = GetDataSize(); sal_uInt32 nDestSize = rGfxLink.GetDataSize(); if (pSource && pDestination && (nSourceSize == nDestSize)) return memcmp(pSource, pDestination, nSourceSize) == 0; return false; } bool GfxLink::IsNative() const { return meType >= GfxLinkType::NativeFirst && meType <= GfxLinkType::NativeLast; } const sal_uInt8* GfxLink::GetData() const { return maDataContainer.getData(); } void GfxLink::SetPrefSize( const Size& rPrefSize ) { maPrefSize = rPrefSize; mbPrefSizeValid = true; } void GfxLink::SetPrefMapMode( const MapMode& rPrefMapMode ) { maPrefMapMode = rPrefMapMode; mbPrefMapModeValid = true; } bool GfxLink::LoadNative( Graphic& rGraphic ) const { bool bRet = false; if (IsNative() && !maDataContainer.isEmpty()) { const sal_uInt8* pData = GetData(); if (pData) { SvMemoryStream aMemoryStream(const_cast(pData), GetDataSize(), StreamMode::READ | StreamMode::WRITE); OUString aShortName; switch (meType) { case GfxLinkType::NativeGif: aShortName = GIF_SHORTNAME; break; case GfxLinkType::NativeJpg: aShortName = JPG_SHORTNAME; break; case GfxLinkType::NativePng: aShortName = PNG_SHORTNAME; break; case GfxLinkType::NativeTif: aShortName = TIF_SHORTNAME; break; case GfxLinkType::NativeWmf: aShortName = WMF_SHORTNAME; break; case GfxLinkType::NativeMet: aShortName = MET_SHORTNAME; break; case GfxLinkType::NativePct: aShortName = PCT_SHORTNAME; break; case GfxLinkType::NativeSvg: aShortName = SVG_SHORTNAME; break; case GfxLinkType::NativeBmp: aShortName = BMP_SHORTNAME; break; case GfxLinkType::NativePdf: aShortName = PDF_SHORTNAME; break; default: break; } if (!aShortName.isEmpty()) { GraphicFilter& rFilter = GraphicFilter::GetGraphicFilter(); sal_uInt16 nFormat = rFilter.GetImportFormatNumberForShortName(aShortName); ErrCode nResult = rFilter.ImportGraphic(rGraphic, OUString(), aMemoryStream, nFormat); if (nResult == ERRCODE_NONE) bRet = true; } } } return bRet; } bool GfxLink::ExportNative( SvStream& rOStream ) const { if( GetDataSize() ) { auto pData = GetData(); if (pData) rOStream.WriteBytes(pData, GetDataSize()); } return ( rOStream.GetError() == ERRCODE_NONE ); } bool GfxLink::IsEMF() const { const sal_uInt8* pGraphicAry = GetData(); if ((GetType() == GfxLinkType::NativeWmf) && pGraphicAry && (GetDataSize() > 0x2c)) { // check the magic number if ((pGraphicAry[0x28] == 0x20) && (pGraphicAry[0x29] == 0x45) && (pGraphicAry[0x2a] == 0x4d) && (pGraphicAry[0x2b] == 0x46)) { //emf detected return true; } } return false; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ on>