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Diffstat (limited to 'vcl/source/fontsubset/fontsubset.cxx')
-rw-r--r-- | vcl/source/fontsubset/fontsubset.cxx | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/vcl/source/fontsubset/fontsubset.cxx b/vcl/source/fontsubset/fontsubset.cxx new file mode 100644 index 0000000000..2a45a1194e --- /dev/null +++ b/vcl/source/fontsubset/fontsubset.cxx @@ -0,0 +1,94 @@ +/* -*- 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 <osl/diagnose.h> +#include <sal/log.hxx> + +#include <fontsubset.hxx> +#include <sft.hxx> + +FontSubsetInfo::FontSubsetInfo() + : m_nAscent( 0) + , m_nDescent( 0) + , m_nCapHeight( 0) + , m_nFontType( FontType::NO_FONT) + , m_bFilled(false) + , mpInFontBytes( nullptr) + , mnInByteLength( 0) + , meInFontType( FontType::NO_FONT) + , mnReqFontTypeMask( FontType::NO_FONT ) + , mpOutFile(nullptr) + , mpReqFontName(nullptr) + , mpReqGlyphIds(nullptr) + , mpReqEncodedIds(nullptr) + , mnReqGlyphCount(0) +{ +} + +FontSubsetInfo::~FontSubsetInfo() +{ +} + +// prepare subsetting for fonts where the input font file is mapped +void FontSubsetInfo::LoadFont( + FontType eInFontType, + const unsigned char* pInFontBytes, int nInByteLength) +{ + meInFontType = eInFontType; + mpInFontBytes = pInFontBytes; + mnInByteLength = nInByteLength; +} + +bool FontSubsetInfo::CreateFontSubset( + FontType nReqFontTypeMask, + SvStream* pOutFile, const char* pReqFontName, + const sal_GlyphId* pReqGlyphIds, const sal_uInt8* pReqEncodedIds, int nReqGlyphCount) +{ + // prepare request details needed by all underlying subsetters + mnReqFontTypeMask = nReqFontTypeMask; + mpOutFile = pOutFile; + mpReqFontName = pReqFontName; + mpReqGlyphIds = pReqGlyphIds; + mpReqEncodedIds = pReqEncodedIds; + mnReqGlyphCount = nReqGlyphCount; + + OString aPSName = m_aPSName.toUtf8(); + if (!mpReqFontName) + mpReqFontName = aPSName.getStr(); + + // TODO: move the glyphid/encid/notdef reshuffling from the callers to here + + // dispatch to underlying subsetters + bool bOK = false; + + // TODO: better match available input-type to possible subset-types + switch( meInFontType) { + case FontType::CFF_FONT: + bOK = CreateFontSubsetFromCff(); + break; + default: + OSL_FAIL( "unhandled type in CreateFontSubset()"); + break; + } + + return bOK; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |