Differential D5441 Diff 20014 src/common/KReportUnit.h

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src/common/KReportUnit.h

1/* This file is part of the KDE project 1​/* This file is part of the KDE project
2 Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org> 2​ Copyright (C) 1998 1999 Reginald Stadlbauer <reggie@kde.org>
3 Copyright (C) 1998, 1999 Torben Weis <weis@kde.org> 3​ Copyright (C) 1998 1999 Torben Weis <weis@kde.org>
4 Copyright (C) 2004, Nicolas GOUTTE <goutte@kde.org> 4​ Copyright (C) 2004 Nicolas GOUTTE <goutte@kde.org>
5 Copyright (C) 2010 Thomas Zander <zander@kde.org> 5​ Copyright (C) 2010 Thomas Zander <zander@kde.org>
6 Copyright 2012 Friedrich W. H. Kossebau <kossebau@kde.org> 6​ Copyright (C) 2012 Friedrich W. H. Kossebau <kossebau@kde.org>
7 Copyright (C) 2017 Jarosław Staniek <staniek@kde.org> 7​ Copyright (C) 2017 Jarosław Staniek <staniek@kde.org>
8 8​
9 This library is free software; you can redistribute it and/or 9​ This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Library General Public 10​ modify it under the terms of the GNU Library General Public
11 License as published by the Free Software Foundation; either 11​ License as published by the Free Software Foundation; either
12 version 2 of the License, or (at your option) any later version. 12​ version 2 of the License, or (at your option) any later version.
13 13​
14 This library is distributed in the hope that it will be useful, 14​ This library is distributed in the hope that it will be useful,
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212 */ 212​ */
213 static inline qreal toCicero(qreal ptValue) 213​ static inline qreal toCicero(qreal ptValue)
214 { 214​ {
215 // "cc" values are rounded to 0.00001 inches 215​ // "cc" values are rounded to 0.00001 inches
216 return floor(POINT_TO_CC(ptValue) * 100000.0) / 100000.0; 216​ return floor(POINT_TO_CC(ptValue) * 100000.0) / 100000.0;
217 } 217​ }
218 218​
219 /** 219​ /**
220 * convert the given value directly from one unit to another 220​ * convert the given value directly from one unit to another with high accuracy
221 */ 221​ */
222 static qreal convertFromUnitToUnit(qreal value, const KReportUnit &fromUnit, const KReportUnit &toUnit, qreal factor = 1.0); 222​ static qreal convertFromUnitToUnit(qreal value, const KReportUnit &fromUnit,
223​ const KReportUnit &toUnit, qreal factor = 1.0);
224​
225​ /**
226​ * convert the given value directly from one unit to another with high accuracy
227​ */
228​ static QPointF convertFromUnitToUnit(const QPointF &value,
229​ const KReportUnit &fromUnit,
230​ const KReportUnit &toUnit);
231​
232​ /**
233​ * convert the given value directly from one unit to another with high accuracy
234​ */
235​ static QSizeF convertFromUnitToUnit(const QSizeF &value, const KReportUnit &fromUnit,
236​ const KReportUnit &toUnit);
223 237​
224 /** 238​ /**
225 * This method is the one to use to display a value in a dialog 239​ * This method is the one to use to display a value in a dialog
226 * \return the value @p ptValue converted to unit and rounded, ready to be displayed 240​ * \return the value @p ptValue converted to unit and rounded, ready to be displayed
227 */ 241​ */
228 qreal toUserValue(qreal ptValue) const; 242​ qreal toUserValue(qreal ptValue) const;
229 243​
230 /** 244​ /**
231 * Convert the value @p ptValue to a given unit @p unit 245​ * Convert the value @p ptValue to a given unit @p unit
232 * Unlike KReportUnit::ptToUnit the return value remains unrounded, so that it can be used in complex calculation 246​ * Unlike KReportUnit::ptToUnit the return value remains unrounded, so that it can be used in complex calculation
233 * \return the converted value 247​ * \return the converted value
234 */ 248​ */
235 static qreal ptToUnit(qreal ptValue, const KReportUnit &unit); 249​ static qreal ptToUnit(qreal ptValue, const KReportUnit &unit);
236 250​
237 /// This method is the one to use to display a value in a dialog 251​ /// This method is the one to use to display a value in a dialog
238 /// @return the value @p ptValue converted the unit and rounded, ready to be displayed 252​ /// @return the value @p ptValue converted the unit and rounded, ready to be displayed
239 QString toUserStringValue(qreal ptValue) const; 253​ QString toUserStringValue(qreal ptValue) const;
240 254​
241 /// This method is the one to use to read a value from a dialog 255​ //! @return the value converted to points with high accuracy
242 /// @return the value converted to points for internal use 256​ qreal convertToPoint(qreal value) const;
243 qreal fromUserValue(qreal value) const; 257​
258​ //! @return the value converted from points to the actual unit with high accuracy
259​ qreal convertFromPoint(qreal ptValue) const;
244 260​
245 /// This method is the one to use to read a value from a dialog 261​ //! @return the value converted from points to the actual unit with high accuracy
262​ QPointF convertFromPoint(const QPointF &ptValue) const;
263​
264​ //! @return the value converted from points to the actual unit with high accuracy
265​ QSizeF convertFromPoint(const QSizeF &ptValue) const;
266​
267​ //! Equal to convertToPoint(), use convertToPoint() instead for clarity
268​ inline qreal fromUserValue(qreal value) const { return convertToPoint(value); }
269​
270​ /// @return the value converted to points with high accuracy
271​ QPointF convertToPoint(const QPointF &value) const;
272​
273​ /// @return the value converted to points with high accuracy
274​ QSizeF convertToPoint(const QSizeF &value) const;
275​
276​ /// @return the value converted to points with high accuracy
246 /// @param value value entered by the user 277​ /// @param value value entered by the user
247 /// @param ok if set, the pointed bool is set to true if the value could be 278​ /// @param ok if set, the pointed bool is set to true if the value could be
248 /// converted to a qreal, and to false otherwise. 279​ /// converted to a qreal, and to false otherwise.
249 /// @return the value converted to points for internal use 280​ /// @return the value converted to points for internal use
250 qreal fromUserValue(const QString &value, bool *ok = nullptr) const; 281​ qreal convertToPoint(const QString &value, bool *ok = 0) const;
282​
283​ //! Equal to convertToPoint(), use convertToPoint() instead for clarity
284​ inline qreal fromUserValue(const QString &value, bool *ok = 0) const {
285​ return convertToPoint(value, ok);
286​ }
251 287​
252 //! Returns the symbol string of given unit type 288​ //! Returns the symbol string of given unit type
253 //! Symbol for Invalid type is empty string. 289​ //! Symbol for Invalid type is empty string.
254 static QString symbol(KReportUnit::Type type); 290​ static QString symbol(KReportUnit::Type type);
255 291​
256 //! Returns the symbol string of the unit 292​ //! Returns the symbol string of the unit
257 //! Symbol for Invalid type is empty string. 293​ //! Symbol for Invalid type is empty string.
258 QString symbol() const; 294​ QString symbol() const;
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279 * @brief Returns the list of unit symbols for the given types 315​ * @brief Returns the list of unit symbols for the given types
280 * 316​ *
281 * @since 3.1 317​ * @since 3.1
282 */ 318​ */
283 static QStringList symbols(const QList<Type> &types); 319​ static QStringList symbols(const QList<Type> &types);
284 320​
285 /// Parses common %KReport and ODF values, like "10cm", "5mm" to pt. 321​ /// Parses common %KReport and ODF values, like "10cm", "5mm" to pt.
286 /// If no unit is specified, pt is assumed. 322​ /// If no unit is specified, pt is assumed.
323​ /// @a defaultVal is in Points
287 static qreal parseValue(const QString &value, qreal defaultVal = 0.0); 324​ static qreal parseValue(const QString &value, qreal defaultVal = 0.0);
288 325​
289 /// parse an angle to its value in degrees 326​ /// parse an angle to its value in degrees
327​ /// @a defaultVal is in degrees
290 static qreal parseAngle(const QString &value, qreal defaultVal = 0.0); 328​ static qreal parseAngle(const QString &value, qreal defaultVal = 0.0);
291 329​
292private: 330​private:
293 class Private; 331​ class Private;
294 Private * const d; 332​ Private * const d;
295}; 333​};
296 334​
297#ifndef QT_NO_DEBUG_STREAM 335​#ifndef QT_NO_DEBUG_STREAM
298KREPORT_EXPORT QDebug operator<<(QDebug, const KReportUnit &); 336​KREPORT_EXPORT QDebug operator<<(QDebug, const KReportUnit &);
299#endif 337​#endif
300 338​
301Q_DECLARE_METATYPE(KReportUnit) 339​Q_DECLARE_METATYPE(KReportUnit)
302 340​
303#endif 341​#endif