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, 269 insertions, 0 deletions

diff --git a/vcl/source/font/PhysicalFontFamily.cxx b/vcl/source/font/PhysicalFontFamily.cxx
new file mode 100644
index 000000000..b402cd618
--- /dev/null
+++ b/vcl/source/font/PhysicalFontFamily.cxx
@@ -0,0 +1,269 @@
+/* -*- 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 <rtl/ustring.hxx>
+#include <unotools/fontdefs.hxx>
+
+#include <font/PhysicalFontFaceCollection.hxx>
+#include <font/PhysicalFontCollection.hxx>
+
+namespace vcl::font
+{
+
+void PhysicalFontFamily::CalcType( ImplFontAttrs& rType, FontWeight& rWeight, FontWidth& rWidth,
+                                   FontFamily eFamily, const utl::FontNameAttr* pFontAttr )
+{
+    if ( eFamily != FAMILY_DONTKNOW )
+    {
+        if ( eFamily == FAMILY_SWISS )
+            rType |= ImplFontAttrs::SansSerif;
+        else if ( eFamily == FAMILY_ROMAN )
+            rType |= ImplFontAttrs::Serif;
+        else if ( eFamily == FAMILY_SCRIPT )
+            rType |= ImplFontAttrs::Script;
+        else if ( eFamily == FAMILY_MODERN )
+            rType |= ImplFontAttrs::Fixed;
+        else if ( eFamily == FAMILY_DECORATIVE )
+            rType |= ImplFontAttrs::Decorative;
+    }
+
+    if ( pFontAttr )
+    {
+        rType |= pFontAttr->Type;
+
+        if ( ((rWeight == WEIGHT_DONTKNOW) || (rWeight == WEIGHT_NORMAL)) &&
+             (pFontAttr->Weight != WEIGHT_DONTKNOW) )
+            rWeight = pFontAttr->Weight;
+        if ( ((rWidth == WIDTH_DONTKNOW) || (rWidth == WIDTH_NORMAL)) &&
+             (pFontAttr->Width != WIDTH_DONTKNOW) )
+            rWidth = pFontAttr->Width;
+    }
+}
+
+static ImplFontAttrs lcl_IsCJKFont( const OUString& rFontName )
+{
+    // Test, if Fontname includes CJK characters --> In this case we
+    // mention that it is a CJK font
+    for(int i = 0; i < rFontName.getLength(); i++)
+    {
+        const sal_Unicode ch = rFontName[i];
+        // japanese
+        if ( ((ch >= 0x3040) && (ch <= 0x30FF)) ||
+             ((ch >= 0x3190) && (ch <= 0x319F)) )
+            return ImplFontAttrs::CJK|ImplFontAttrs::CJK_JP;
+
+        // korean
+        if ( ((ch >= 0xAC00) && (ch <= 0xD7AF)) ||
+             ((ch >= 0xA960) && (ch <= 0xA97F)) ||
+             ((ch >= 0xD7B0) && (ch <= 0xD7FF)) ||
+             ((ch >= 0x3130) && (ch <= 0x318F)) ||
+             ((ch >= 0x1100) && (ch <= 0x11FF)) )
+            return ImplFontAttrs::CJK|ImplFontAttrs::CJK_KR;
+
+        // chinese
+        if ( (ch >= 0x3400) && (ch <= 0x9FFF) )
+            return ImplFontAttrs::CJK|ImplFontAttrs::CJK_TC|ImplFontAttrs::CJK_SC;
+
+        // cjk
+        if ( ((ch >= 0x3000) && (ch <= 0xD7AF)) ||
+             ((ch >= 0xFF00) && (ch <= 0xFFEE)) )
+            return ImplFontAttrs::CJK;
+
+    }
+
+    return ImplFontAttrs::None;
+}
+
+PhysicalFontFamily::PhysicalFontFamily( const OUString& rSearchName )
+:   maSearchName( rSearchName ),
+    mnTypeFaces( FontTypeFaces::NONE ),
+    meFamily( FAMILY_DONTKNOW ),
+    mePitch( PITCH_DONTKNOW ),
+    mnMinQuality( -1 ),
+    mnMatchType( ImplFontAttrs::None ),
+    meMatchWeight( WEIGHT_DONTKNOW ),
+    meMatchWidth( WIDTH_DONTKNOW )
+{}
+
+PhysicalFontFamily::~PhysicalFontFamily()
+{
+}
+
+void PhysicalFontFamily::AddFontFace( PhysicalFontFace* pNewFontFace )
+{
+    if( maFontFaces.empty() )
+    {
+        maFamilyName   = pNewFontFace->GetFamilyName();
+        maMapNames     = pNewFontFace->GetMapNames();
+        meFamily       = pNewFontFace->GetFamilyType();
+        mePitch        = pNewFontFace->GetPitch();
+        mnMinQuality   = pNewFontFace->GetQuality();
+    }
+    else
+    {
+        if( meFamily == FAMILY_DONTKNOW )
+            meFamily = pNewFontFace->GetFamilyType();
+        if( mePitch == PITCH_DONTKNOW )
+            mePitch = pNewFontFace->GetPitch();
+        if( mnMinQuality > pNewFontFace->GetQuality() )
+            mnMinQuality = pNewFontFace->GetQuality();
+    }
+
+    // set attributes for attribute based font matching
+    mnTypeFaces |= FontTypeFaces::Scalable;
+
+    if( pNewFontFace->IsSymbolFont() )
+        mnTypeFaces |= FontTypeFaces::Symbol;
+    else
+        mnTypeFaces |= FontTypeFaces::NoneSymbol;
+
+    if( pNewFontFace->GetWeight() != WEIGHT_DONTKNOW )
+    {
+        if( pNewFontFace->GetWeight() >= WEIGHT_SEMIBOLD )
+            mnTypeFaces |= FontTypeFaces::Bold;
+        else if( pNewFontFace->GetWeight() <= WEIGHT_SEMILIGHT )
+            mnTypeFaces |= FontTypeFaces::Light;
+        else
+            mnTypeFaces |= FontTypeFaces::Normal;
+    }
+
+    if( pNewFontFace->GetItalic() == ITALIC_NONE )
+        mnTypeFaces |= FontTypeFaces::NoneItalic;
+    else if( (pNewFontFace->GetItalic() == ITALIC_NORMAL)
+         ||  (pNewFontFace->GetItalic() == ITALIC_OBLIQUE) )
+        mnTypeFaces |= FontTypeFaces::Italic;
+
+    // reassign name (sharing saves memory)
+    if( pNewFontFace->GetFamilyName() == GetFamilyName() )
+        pNewFontFace->SetFamilyName( GetFamilyName() );
+
+    // add the new physical font face, replacing existing font face if necessary
+    // TODO: get rid of linear search?
+    auto it(maFontFaces.begin());
+    for (; it != maFontFaces.end(); ++it)
+    {
+        PhysicalFontFace* pFoundFontFace = it->get();
+        sal_Int32 eComp = pNewFontFace->CompareIgnoreSize( *pFoundFontFace );
+        if( eComp > 0 )
+            continue;
+        if( eComp < 0 )
+            break;
+
+        // ignore duplicate if its quality is worse
+        if( pNewFontFace->GetQuality() < pFoundFontFace->GetQuality() )
+            return;
+
+        // keep the device font if its quality is good enough
+        if( pNewFontFace->GetQuality() == pFoundFontFace->GetQuality() )
+            return;
+
+        // replace existing font face with a better one
+        *it = pNewFontFace; // insert at sort position
+        return;
+    }
+
+    maFontFaces.emplace(it, pNewFontFace); // insert at sort position
+}
+
+// get font attributes using the normalized font family name
+void PhysicalFontFamily::InitMatchData( const utl::FontSubstConfiguration& rFontSubst,
+    const OUString& rSearchName )
+{
+    OUString aShortName;
+    OUString aMatchFamilyName(maMatchFamilyName);
+    // get font attributes from the decorated font name
+    utl::FontSubstConfiguration::getMapName( rSearchName, aShortName, aMatchFamilyName,
+                            meMatchWeight, meMatchWidth, mnMatchType );
+    maMatchFamilyName = aMatchFamilyName;
+    const utl::FontNameAttr* pFontAttr = rFontSubst.getSubstInfo( rSearchName );
+    // eventually use the stripped name
+    if( !pFontAttr )
+        if( aShortName != rSearchName )
+            pFontAttr = rFontSubst.getSubstInfo( aShortName );
+    CalcType( mnMatchType, meMatchWeight, meMatchWidth, meFamily, pFontAttr );
+    mnMatchType |= lcl_IsCJKFont( maFamilyName );
+}
+
+PhysicalFontFace* PhysicalFontFamily::FindBestFontFace( const vcl::font::FontSelectPattern& rFSD ) const
+{
+    if( maFontFaces.empty() )
+        return nullptr;
+    if( maFontFaces.size() == 1)
+        return maFontFaces[0].get();
+
+    // FontName+StyleName should map to FamilyName+StyleName
+    const OUString& rSearchName = rFSD.maTargetName;
+    OUString aTargetStyleName;
+    const OUString* pTargetStyleName = nullptr;
+    if((rSearchName.getLength() > maSearchName.getLength())
+        && rSearchName.startsWith( maSearchName ) )
+    {
+        aTargetStyleName = rSearchName.copy(maSearchName.getLength() + 1);
+        pTargetStyleName = &aTargetStyleName;
+    }
+
+    // TODO: linear search improve!
+    PhysicalFontFace* pBestFontFace = maFontFaces[0].get();
+    FontMatchStatus aFontMatchStatus = {0, pTargetStyleName};
+    for (auto const& font : maFontFaces)
+    {
+        PhysicalFontFace* pFoundFontFace = font.get();
+        if( pFoundFontFace->IsBetterMatch( rFSD, aFontMatchStatus ) )
+            pBestFontFace = pFoundFontFace;
+    }
+
+    return pBestFontFace;
+}
+
+// update device font list with unique font faces, with uniqueness
+// meaning different font attributes, but not different fonts sizes
+void PhysicalFontFamily::UpdateDevFontList( vcl::font::PhysicalFontFaceCollection& rDevFontList ) const
+{
+    PhysicalFontFace* pPrevFace = nullptr;
+    for (auto const& font : maFontFaces)
+    {
+        PhysicalFontFace* pFoundFontFace = font.get();
+        if( !pPrevFace || pFoundFontFace->CompareIgnoreSize( *pPrevFace ) )
+            rDevFontList.Add( pFoundFontFace );
+        pPrevFace = pFoundFontFace;
+    }
+}
+
+void PhysicalFontFamily::UpdateCloneFontList(vcl::font::PhysicalFontCollection& rFontCollection) const
+{
+    OUString aFamilyName = GetEnglishSearchFontName( GetFamilyName() );
+    PhysicalFontFamily* pFamily(nullptr);
+
+    for (auto const& font : maFontFaces)
+    {
+        PhysicalFontFace *pFoundFontFace = font.get();
+
+        if (!pFamily)
+        {   // tdf#98989 lazy create as family without faces won't work
+            pFamily = rFontCollection.FindOrCreateFontFamily(aFamilyName);
+        }
+        assert(pFamily);
+        pFamily->AddFontFace( pFoundFontFace );
+    }
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */