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Diffstat (limited to 'kalzium/src/kalziumutils.h')
| -rw-r--r-- | kalzium/src/kalziumutils.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/kalzium/src/kalziumutils.h b/kalzium/src/kalziumutils.h new file mode 100644 index 00000000..36f66080 --- /dev/null +++ b/kalzium/src/kalziumutils.h @@ -0,0 +1,73 @@ +#ifndef KALZIUMUTILS_H +#define KALZIUMUTILS_H + +/*************************************************************************** + copyright : (C) 2005 by Carsten Niehaus + email : cniehaus@kde.org + ***************************************************************************/ +/*************************************************************************** + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + ***************************************************************************/ + +class QString; +class QRect; +class QFont; +class QPainter; + +class KalziumUtils +{ + public: + + enum FormatOptions { NoOptions, + Round = 1 + }; + /** + * @param string the string which is measured + * @param rect the rect needed for measurement + * @param font the used font + * @param painter the used painter + * @param maxFontSize the maximum fontsize + * @param minFontSize the maximum fontsize + */ + static int maxSize( const QString& string, const QRect& rect, QFont font, QPainter* painter, int minFontSize = 4, int maxFontSize = 20 ); + + /** + * calculate the 4-digit value of the value @p w. For + * example, 12.3456 will be returned as 12.35 + * @param value the value which will be stripped + * @return the 4-digit value + */ + static double strippedValue( double value ); + + /** + * format the given double with localized separators + * @param val the number value as double + * @param precision number of decimals + * @param options the options used for formatting of @p val + * @return + */ + static QString localizedValue( double val, int precision, unsigned long options = 0 ); + + /** + * @param string the string which is measured + * @param font the used font + * @param painter the used painter + * @return the width of the string @p string + */ + static int StringWidth( const QString& string, const QFont& font, QPainter* painter ); + /** + * @param string the string which is measured + * @param font the used font + * @param painter the used painter + * @return the height of the string @p string + */ + static int StringHeight( const QString& string, const QFont& font, QPainter* painter ); +}; + +#endif // KALZIUMUTILS_H + |