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/* -*- 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 <sal/config.h>
#include <stdlib.h>
#include <unx/freetype_glyphcache.hxx>
#include <unx/gendata.hxx>
#include <fontinstance.hxx>
#include <rtl/ustring.hxx>
#include <sal/log.hxx>
FreetypeManager::FreetypeManager()
: m_nMaxFontId(0)
{
InitFreetype();
}
FreetypeManager::~FreetypeManager()
{
ClearFontCache();
}
void FreetypeManager::ClearFontCache()
{
m_aFontInfoList.clear();
}
FreetypeManager& FreetypeManager::get()
{
GenericUnixSalData* const pSalData(GetGenericUnixSalData());
assert(pSalData);
return *pSalData->GetFreetypeManager();
}
FreetypeFontFile* FreetypeManager::FindFontFile(const OString& rNativeFileName)
{
// font file already known? (e.g. for ttc, synthetic, aliased fonts)
const char* pFileName = rNativeFileName.getStr();
FontFileList::const_iterator it = m_aFontFileList.find(pFileName);
if (it != m_aFontFileList.end())
return it->second.get();
// no => create new one
FreetypeFontFile* pFontFile = new FreetypeFontFile(rNativeFileName);
pFileName = pFontFile->maNativeFileName.getStr();
m_aFontFileList[pFileName].reset(pFontFile);
return pFontFile;
}
FreetypeFontInstance::FreetypeFontInstance(const vcl::font::PhysicalFontFace& rPFF, const vcl::font::FontSelectPattern& rFSP)
: LogicalFontInstance(rPFF, rFSP)
, mxFreetypeFont(FreetypeManager::get().CreateFont(this))
{
}
FreetypeFontInstance::~FreetypeFontInstance()
{
}
static hb_blob_t* getFontTable(hb_face_t* /*face*/, hb_tag_t nTableTag, void* pUserData)
{
char pTagName[5];
LogicalFontInstance::DecodeOpenTypeTag( nTableTag, pTagName );
sal_uLong nLength = 0;
FreetypeFontInstance* pFontInstance = static_cast<FreetypeFontInstance*>( pUserData );
FreetypeFont& rFont = pFontInstance->GetFreetypeFont();
const char* pBuffer = reinterpret_cast<const char*>(
rFont.GetTable(pTagName, &nLength) );
hb_blob_t* pBlob = nullptr;
if (pBuffer != nullptr)
pBlob = hb_blob_create(pBuffer, nLength, HB_MEMORY_MODE_READONLY, nullptr, nullptr);
return pBlob;
}
hb_font_t* FreetypeFontInstance::ImplInitHbFont()
{
hb_font_t* pRet = InitHbFont(hb_face_create_for_tables(getFontTable, this, nullptr));
assert(mxFreetypeFont);
mxFreetypeFont->SetFontVariationsOnHBFont(pRet);
return pRet;
}
bool FreetypeFontInstance::ImplGetGlyphBoundRect(sal_GlyphId nId, tools::Rectangle& rRect, bool bVertical) const
{
assert(mxFreetypeFont);
if (!mxFreetypeFont)
return false;
return mxFreetypeFont->GetGlyphBoundRect(nId, rRect, bVertical);
}
bool FreetypeFontInstance::GetGlyphOutline(sal_GlyphId nId, basegfx::B2DPolyPolygon& rPoly, bool bVertical) const
{
assert(mxFreetypeFont);
if (!mxFreetypeFont)
return false;
return mxFreetypeFont->GetGlyphOutline(nId, rPoly, bVertical);
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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