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Diffstat (limited to 'vcl/source/font/fontselect.cxx')
-rw-r--r-- | vcl/source/font/fontselect.cxx | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/vcl/source/font/fontselect.cxx b/vcl/source/font/fontselect.cxx new file mode 100644 index 000000000..faafdb61b --- /dev/null +++ b/vcl/source/font/fontselect.cxx @@ -0,0 +1,150 @@ +/* -*- 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 <PhysicalFontFace.hxx> +#include <fontselect.hxx> + +// 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( 3600 <= static_cast<unsigned>(mnOrientation) ) + { + if( mnOrientation >= 0 ) + mnOrientation %= 3600; + else + mnOrientation = 3600 - (-mnOrientation % 3600); + } + + // 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; + 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: */ |