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/****************************************************************************
**
** Copyright (C) 2014 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef UTILS_P_H
#define UTILS_P_H
#include "datavisualizationglobal_p.h"
class QVector3D;
class QColor;
class QPainter;
class QString;
class QPoint;
class QImage;
class QLinearGradient;
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class Utils
{
public:
enum ParamType {
ParamTypeUnknown = 0,
ParamTypeInt,
ParamTypeUInt,
ParamTypeReal
};
static GLuint getNearestPowerOfTwo(GLuint value, GLuint &padding);
static QVector4D vectorFromColor(const QColor &color);
static QColor colorFromVector(const QVector3D &colorVector);
static QColor colorFromVector(const QVector4D &colorVector);
static void printText(QPainter *painter, const QString &text, const QSize &position,
bool absoluteCoords = true, float rotation = 0.0f, float scale = 1.0f);
static QImage printTextToImage(const QFont &font,
const QString &text,
const QColor &bgrColor,
const QColor &txtColor,
bool labelBackground,
bool borders = false,
int maxLabelWidth = 0);
static QVector4D getSelection(QPoint mousepos, int height);
static QImage getGradientImage(const QLinearGradient &gradient);
static ParamType findFormatParamType(const QString &format);
static QString formatLabel(const QByteArray &format, ParamType paramType, qreal value);
static QString defaultLabelFormat();
static float wrapValue(float value, float min, float max);
private:
static ParamType mapFormatCharToParamType(const QChar &formatChar);
};
QT_END_NAMESPACE_DATAVISUALIZATION
#endif
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