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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /starmath/inc/utility.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'starmath/inc/utility.hxx')
-rw-r--r-- | starmath/inc/utility.hxx | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/starmath/inc/utility.hxx b/starmath/inc/utility.hxx new file mode 100644 index 000000000..2a462b98d --- /dev/null +++ b/starmath/inc/utility.hxx @@ -0,0 +1,147 @@ +/* -*- 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 . + */ +#ifndef INCLUDED_STARMATH_INC_UTILITY_HXX +#define INCLUDED_STARMATH_INC_UTILITY_HXX + +#include <sal/config.h> + +#include <sal/log.hxx> +#include <vcl/font.hxx> +#include <vcl/weld.hxx> +#include <tools/fract.hxx> +#include <deque> + +inline long SmPtsTo100th_mm(long nNumPts) + // returns the length (in 100th of mm) that corresponds to the length + // 'nNumPts' (in units points). + // 72.27 [pt] = 1 [inch] = 2,54 [cm] = 2540 [100th of mm]. + // result is being rounded to the nearest integer. +{ + SAL_WARN_IF( nNumPts < 0, "starmath", "Ooops..." ); + // broken into multiple and fraction of 'nNumPts' to reduce chance + // of overflow + // (7227 / 2) is added in order to round to the nearest integer + return 35 * nNumPts + (nNumPts * 1055L + (7227 / 2)) / 7227L; +} + + +inline Fraction Sm100th_mmToPts(long nNum100th_mm) + // returns the length (in points) that corresponds to the length + // 'nNum100th_mm' (in 100th of mm). +{ + SAL_WARN_IF( nNum100th_mm < 0, "starmath", "Ooops..." ); + return Fraction(7227L, 254000L) * Fraction(nNum100th_mm); +} + + +inline long SmRoundFraction(const Fraction &rFrac) +{ + SAL_WARN_IF( rFrac <= Fraction(), "starmath", "Ooops..." ); + return (rFrac.GetNumerator() + rFrac.GetDenominator() / 2) / rFrac.GetDenominator(); +} + + +class SmViewShell; +SmViewShell * SmGetActiveView(); + + +// SmFace + + +bool IsItalic( const vcl::Font &rFont ); +bool IsBold( const vcl::Font &rFont ); + +class SmFace final : public vcl::Font +{ + long nBorderWidth; + + void Impl_Init(); + +public: + SmFace() : + Font(), nBorderWidth(-1) { Impl_Init(); } + SmFace(const Font& rFont) : + Font(rFont), nBorderWidth(-1) { Impl_Init(); } + SmFace(const OUString& rName, const Size& rSize) : + Font(rName, rSize), nBorderWidth(-1) { Impl_Init(); } + + SmFace(const SmFace &rFace) : + Font(rFace), nBorderWidth(-1) { Impl_Init(); } + + // overloaded version in order to supply a min value + // for font size (height). (Also used in ctor's to do so.) + void SetSize(const Size& rSize); + + void SetBorderWidth(long nWidth) { nBorderWidth = nWidth; } + long GetBorderWidth() const; + long GetDefaultBorderWidth() const { return GetFontSize().Height() / 20 ; } + void FreezeBorderWidth() { nBorderWidth = GetDefaultBorderWidth(); } + + SmFace & operator = (const SmFace &rFace); +}; + +SmFace & operator *= (SmFace &rFace, const Fraction &rFrac); + + +// SmFontPickList + + +class SmFontDialog; + +class SmFontPickList +{ +protected: + sal_uInt16 nMaxItems; + std::deque<vcl::Font> aFontVec; + +public: + explicit SmFontPickList(sal_uInt16 nMax = 5) : nMaxItems(nMax) {} + virtual ~SmFontPickList() { Clear(); } + + virtual void Insert(const vcl::Font &rFont); + + void Clear(); + vcl::Font Get(sal_uInt16 nPos = 0) const; + + SmFontPickList& operator = (const SmFontPickList& rList); + + void ReadFrom(const SmFontDialog& rDialog); + void WriteTo(SmFontDialog& rDialog) const; +}; + + +// SmFontPickListBox + + +class SmFontPickListBox final : public SmFontPickList +{ +private: + std::unique_ptr<weld::ComboBox> m_xWidget; + + DECL_LINK(SelectHdl, weld::ComboBox&, void); + +public: + SmFontPickListBox(std::unique_ptr<weld::ComboBox> pWidget); + SmFontPickListBox& operator = (const SmFontPickList& rList); + virtual void Insert(const vcl::Font &rFont) override; +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |