1 files changed, 155 insertions, 0 deletions
diff --git a/vcl/source/font/FontSelectPattern.cxx b/vcl/source/font/FontSelectPattern.cxx
new file mode 100644
index 000000000..23e7673c8
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+++ b/vcl/source/font/FontSelectPattern.cxx
@@ -0,0 +1,155 @@
+/* -*- 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 <o3tl/safeint.hxx>
+#include <tools/gen.hxx>
+
+#include <vcl/font.hxx>
+
+#include <font/FontSelectPattern.hxx>
+#include <font/PhysicalFontFace.hxx>
+
+namespace vcl::font
+{
+
+// These mustn't conflict with font name lists which use ; and ,
+const char FontSelectPattern::FEAT_PREFIX = ':';
+const char FontSelectPattern::FEAT_SEPARATOR = '&';
+
+FontSelectPattern::FontSelectPattern( const vcl::Font& rFont,
+    const OUString& rSearchName, const Size& rSize, float fExactHeight, bool bNonAntialias)
+    : maSearchName( rSearchName )
+    , mnWidth( rSize.Width() )
+    , mnHeight( rSize.Height() )
+    , mfExactHeight( fExactHeight)
+    , mnOrientation( rFont.GetOrientation() )
+    , meLanguage( rFont.GetLanguage() )
+    , mbVertical( rFont.IsVertical() )
+    , mbNonAntialiased(bNonAntialias)
+    , mbEmbolden( false )
+{
+    maTargetName = GetFamilyName();
+
+    rFont.GetFontAttributes( *this );
+
+    // normalize orientation between 0 and 3600
+    if( mnOrientation < 0_deg10 || mnOrientation >= 3600_deg10 )
+    {
+        if( mnOrientation >= 0_deg10 )
+            mnOrientation %= 3600_deg10;
+        else
+            mnOrientation = 3600_deg10 - (-mnOrientation % 3600_deg10);
+    }
+
+    // normalize width and height
+    if( mnHeight < 0 )
+        mnHeight = o3tl::saturating_toggle_sign(mnHeight);
+    if( mnWidth < 0 )
+        mnWidth = o3tl::saturating_toggle_sign(mnWidth);
+}
+
+
+// NOTE: this ctor is still used on Windows. Do not remove.
+#ifdef _WIN32
+FontSelectPattern::FontSelectPattern( const PhysicalFontFace& rFontData,
+    const Size& rSize, float fExactHeight, int nOrientation, bool bVertical )
+    : FontAttributes( rFontData )
+    , mnWidth( rSize.Width() )
+    , mnHeight( rSize.Height() )
+    , mfExactHeight( fExactHeight )
+    , mnOrientation( nOrientation )
+    , meLanguage( 0 )
+    , mbVertical( bVertical )
+    , mbNonAntialiased( false )
+    , mbEmbolden( false )
+{
+    maTargetName = maSearchName = GetFamilyName();
+    // NOTE: no normalization for width/height/orientation
+}
+
+#endif
+
+size_t FontSelectPattern::hashCode() const
+{
+    // TODO: does it pay off to improve this hash function?
+    size_t nHash;
+    // check for features and generate a unique hash if necessary
+    if (maTargetName.indexOf(FontSelectPattern::FEAT_PREFIX)
+        != -1)
+    {
+        nHash = maTargetName.hashCode();
+    }
+    else
+    {
+        nHash = maSearchName.hashCode();
+    }
+    nHash += 11U * mnHeight;
+    nHash += 19 * GetWeight();
+    nHash += 29 * GetItalic();
+    nHash += 37 * mnOrientation.get();
+    nHash += 41 * static_cast<sal_uInt16>(meLanguage);
+    if( mbVertical )
+        nHash += 53;
+    return nHash;
+}
+
+bool FontSelectPattern::operator==(const FontSelectPattern& rOther) const
+{
+    if (!CompareDeviceIndependentFontAttributes(rOther))
+        return false;
+
+    if (maTargetName != rOther.maTargetName)
+        return false;
+
+    if (maSearchName != rOther.maSearchName)
+        return false;
+
+    if (mnWidth != rOther.mnWidth)
+        return false;
+
+    if (mnHeight != rOther.mnHeight)
+        return false;
+
+    if (mfExactHeight != rOther.mfExactHeight)
+        return false;
+
+    if (mnOrientation != rOther.mnOrientation)
+        return false;
+
+    if (meLanguage != rOther.meLanguage)
+        return false;
+
+    if (mbVertical != rOther.mbVertical)
+        return false;
+
+    if (mbNonAntialiased != rOther.mbNonAntialiased)
+        return false;
+
+    if (mbEmbolden != rOther.mbEmbolden)
+        return false;
+
+    if (maItalicMatrix != rOther.maItalicMatrix)
+        return false;
+
+    return true;
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */