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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #ifndef INCLUDED_STARMATH_INC_UTILITY_HXX
20 : #define INCLUDED_STARMATH_INC_UTILITY_HXX
21 :
22 : #include <vcl/font.hxx>
23 : #include <vcl/fixed.hxx>
24 : #include <vcl/combobox.hxx>
25 : #include <vcl/lstbox.hxx>
26 : #include <tools/fract.hxx>
27 : #include <deque>
28 :
29 :
30 0 : inline long SmPtsTo100th_mm(long nNumPts)
31 : // returns the length (in 100th of mm) that corresponds to the length
32 : // 'nNumPts' (in units points).
33 : // 72.27 [pt] = 1 [inch] = 2,54 [cm] = 2540 [100th of mm].
34 : // result is being rounded to the nearest integer.
35 : {
36 : SAL_WARN_IF( nNumPts < 0, "starmath", "Ooops..." );
37 : // broken into multiple and fraction of 'nNumPts' to reduce chance
38 : // of overflow
39 : // (7227 / 2) is added in order to round to the nearest integer
40 0 : return 35 * nNumPts + (nNumPts * 1055L + (7227 / 2)) / 7227L;
41 : }
42 :
43 :
44 : inline long SmPtsTo100th_mm(const Fraction &rNumPts)
45 : // as above but with argument 'rNumPts' as 'Fraction'
46 : {
47 : Fraction aTmp (254000L, 7227L);
48 : return aTmp *= rNumPts;
49 : }
50 :
51 :
52 0 : inline Fraction Sm100th_mmToPts(long nNum100th_mm)
53 : // returns the length (in points) that corresponds to the length
54 : // 'nNum100th_mm' (in 100th of mm).
55 : {
56 : SAL_WARN_IF( nNum100th_mm < 0, "starmath", "Ooops..." );
57 0 : Fraction aTmp (7227L, 254000L);
58 0 : return aTmp *= Fraction(nNum100th_mm);
59 : }
60 :
61 :
62 0 : inline long SmRoundFraction(const Fraction &rFrac)
63 : {
64 : SAL_WARN_IF( rFrac <= Fraction(), "starmath", "Ooops..." );
65 0 : return (rFrac.GetNumerator() + rFrac.GetDenominator() / 2) / rFrac.GetDenominator();
66 : }
67 :
68 :
69 : class SmViewShell;
70 : SmViewShell * SmGetActiveView();
71 :
72 :
73 :
74 :
75 : // SmFace
76 :
77 :
78 : bool IsItalic( const Font &rFont );
79 : bool IsBold( const Font &rFont );
80 :
81 0 : class SmFace : public Font
82 : {
83 : long nBorderWidth;
84 :
85 : void Impl_Init();
86 :
87 : public:
88 0 : SmFace() :
89 0 : Font(), nBorderWidth(-1) { Impl_Init(); }
90 0 : SmFace(const Font& rFont) :
91 0 : Font(rFont), nBorderWidth(-1) { Impl_Init(); }
92 0 : SmFace(const OUString& rName, const Size& rSize) :
93 0 : Font(rName, rSize), nBorderWidth(-1) { Impl_Init(); }
94 : SmFace( FontFamily eFamily, const Size& rSize) :
95 : Font(eFamily, rSize), nBorderWidth(-1) { Impl_Init(); }
96 :
97 0 : SmFace(const SmFace &rFace) :
98 0 : Font(rFace), nBorderWidth(-1) { Impl_Init(); }
99 :
100 : // overloaded version in order to supply a min value
101 : // for font size (height). (Also used in ctor's to do so.)
102 : void SetSize(const Size& rSize);
103 :
104 0 : void SetBorderWidth(long nWidth) { nBorderWidth = nWidth; }
105 : long GetBorderWidth() const;
106 0 : long GetDefaultBorderWidth() const { return GetSize().Height() / 20 ; }
107 0 : void FreezeBorderWidth() { nBorderWidth = GetDefaultBorderWidth(); }
108 :
109 : SmFace & operator = (const SmFace &rFace);
110 : };
111 :
112 : SmFace & operator *= (SmFace &rFace, const Fraction &rFrac);
113 :
114 :
115 :
116 :
117 : // SmFontPickList
118 :
119 :
120 : class SmFontDialog;
121 :
122 : class SmFontPickList
123 : {
124 : protected:
125 : sal_uInt16 nMaxItems;
126 : std::deque<Font> aFontVec;
127 :
128 : bool CompareItem(const Font & rFirstFont, const Font & rSecondFont) const;
129 : OUString GetStringItem(const Font &rItem);
130 :
131 : public:
132 0 : SmFontPickList(sal_uInt16 nMax = 5) : nMaxItems(nMax) {}
133 0 : virtual ~SmFontPickList() { Clear(); }
134 :
135 : virtual void Insert(const Font &rFont);
136 : virtual void Update(const Font &rFont, const Font &rNewFont);
137 : virtual void Remove(const Font &rFont);
138 :
139 : void Clear();
140 : Font Get(sal_uInt16 nPos = 0) const;
141 :
142 : SmFontPickList& operator = (const SmFontPickList& rList);
143 : Font operator [] (sal_uInt16 nPos) const;
144 :
145 : void ReadFrom(const SmFontDialog& rDialog);
146 : void WriteTo(SmFontDialog& rDialog) const;
147 : };
148 :
149 :
150 :
151 : // SmFontPickListBox
152 :
153 :
154 0 : class SmFontPickListBox : public SmFontPickList, public ListBox
155 : {
156 : protected:
157 : DECL_LINK(SelectHdl, ListBox *);
158 :
159 : public:
160 : SmFontPickListBox(Window* pParent, WinBits nBits);
161 :
162 : SmFontPickListBox& operator = (const SmFontPickList& rList);
163 :
164 : virtual void Insert(const Font &rFont) SAL_OVERRIDE;
165 : using Window::Update;
166 : virtual void Update(const Font &rFont, const Font &rNewFont) SAL_OVERRIDE;
167 : virtual void Remove(const Font &rFont) SAL_OVERRIDE;
168 : };
169 :
170 : #endif
171 :
172 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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