Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 121 insertions, 0 deletions

diff --git a/vcl/unx/generic/glyphs/glyphcache.cxx b/vcl/unx/generic/glyphs/glyphcache.cxx
new file mode 100644
index 000000000..79db2d87b
--- /dev/null
+++ b/vcl/unx/generic/glyphs/glyphcache.cxx
@@ -0,0 +1,121 @@
+/* -*- 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: */