/usr/include/klftools/qtcolortriangle.h is in libklatexformula3-dev 3.3.0~beta-1.
This file is owned by root:root, with mode 0o644.
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* This file was very slightly modified by Philippe Faist for KLatexFormula. (april 2009)
* In order for integration into KLatexFormula, this code is relicensed
* to **GPL Version 2.1 or higher** as described in the footnote to the GPL
* compatibility table found at
* http://www.gnu.org/licenses/gpl-faq.html#compat-matrix-footnote-7
*
*/
/****************************************************************************
**
** This file is part of a Qt Solutions component.
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Qt Software Information (qt-info@nokia.com)
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Solutions Commercial License Agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** Please note Third Party Software included with Qt Solutions may impose
** additional restrictions and it is the user's responsibility to ensure
** that they have met the licensing requirements of the GPL, LGPL, or Qt
** Solutions Commercial license and the relevant license of the Third
** Party Software they are using.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
**
****************************************************************************/
#ifndef QTCOLORTRIANGLE_H
#define QTCOLORTRIANGLE_H
#include <QtGui/QImage>
#include <QtGui/QWidget>
class QPointF;
struct Vertex;
#if defined(Q_WS_WIN)
# if !defined(QT_QTCOLORTRIANGLE_EXPORT) && !defined(QT_QTCOLORTRIANGLE_IMPORT)
# define QT_QTCOLORTRIANGLE_EXPORT
# elif defined(QT_QTCOLORTRIANGLE_IMPORT)
# if defined(QT_QTCOLORTRIANGLE_EXPORT)
# undef QT_QTCOLORTRIANGLE_EXPORT
# endif
# define QT_QTCOLORTRIANGLE_EXPORT __declspec(dllimport)
# elif defined(QT_QTCOLORTRIANGLE_EXPORT)
# undef QT_QTCOLORTRIANGLE_EXPORT
# define QT_QTCOLORTRIANGLE_EXPORT __declspec(dllexport)
# endif
#else
# define QT_QTCOLORTRIANGLE_EXPORT
#endif
class QT_QTCOLORTRIANGLE_EXPORT QtColorTriangle : public QWidget
{
Q_OBJECT
Q_PROPERTY(QColor color READ color WRITE setColor)
public:
QtColorTriangle(QWidget *parent = 0);
~QtColorTriangle();
QSize sizeHint() const;
int heightForWidth(int w) const;
void polish();
QColor color() const;
Q_SIGNALS:
void colorChanged(const QColor &col);
public Q_SLOTS:
void setColor(const QColor &col);
protected:
void paintEvent(QPaintEvent *);
void mouseMoveEvent(QMouseEvent *);
void mousePressEvent(QMouseEvent *);
void mouseReleaseEvent(QMouseEvent *);
void keyPressEvent(QKeyEvent *e);
void resizeEvent(QResizeEvent *);
void drawTrigon(QImage *p, const QPointF &a, const QPointF &b,
const QPointF &c, const QColor &color);
void internalSetNewColor(const QColor& color);
private:
double radiusAt(const QPointF &pos, const QRect &rect) const;
double angleAt(const QPointF &pos, const QRect &rect) const;
QPointF movePointToTriangle(double x, double y, const Vertex &a,
const Vertex &b, const Vertex &c) const;
QPointF pointFromColor(const QColor &col) const;
QColor colorFromPoint(const QPointF &p) const;
void genBackground();
QImage bg;
double a, b, c;
QPointF pa, pb, pc, pd;
QColor curColor;
int curHue;
bool mustGenerateBackground;
int penWidth;
int ellipseSize;
int outerRadius;
QPointF selectorPos;
enum SelectionMode {
Idle,
SelectingHue,
SelectingSatValue
} selMode;
};
#endif
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