/* GNUPLOT - QtGnuplotItems.h */
/*[
* Copyright 2009 Jérôme Lodewyck
*
* Permission to use, copy, and distribute this software and its
* documentation for any purpose with or without fee is hereby granted,
* provided that the above copyright notice appear in all copies and
* that both that copyright notice and this permission notice appear
* in supporting documentation.
*
* Permission to modify the software is granted, but not the right to
* distribute the complete modified source code. Modifications are to
* be distributed as patches to the released version. Permission to
* distribute binaries produced by compiling modified sources is granted,
* provided you
* 1. distribute the corresponding source modifications from the
* released version in the form of a patch file along with the binaries,
* 2. add special version identification to distinguish your version
* in addition to the base release version number,
* 3. provide your name and address as the primary contact for the
* support of your modified version, and
* 4. retain our contact information in regard to use of the base
* software.
* Permission to distribute the released version of the source code along
* with corresponding source modifications in the form of a patch file is
* granted with same provisions 2 through 4 for binary distributions.
*
* This software is provided "as is" without express or implied warranty
* to the extent permitted by applicable law.
*
*
* Alternatively, the contents of this file may be used under the terms of the
* GNU General Public License Version 2 or later (the "GPL"), in which case the
* provisions of GPL are applicable instead of those above. If you wish to allow
* use of your version of this file only under the terms of the GPL and not
* to allow others to use your version of this file under the above gnuplot
* license, indicate your decision by deleting the provisions above and replace
* them with the notice and other provisions required by the GPL. If you do not
* delete the provisions above, a recipient may use your version of this file
* under either the GPL or the gnuplot license.
]*/
#ifndef QTGNUPLOTITEMS_H
#define QTGNUPLOTITEMS_H
#include <QGraphicsItem>
#include <QFont>
#include <QPen>
class QtGnuplotPoint : public QGraphicsItem
{
public:
QtGnuplotPoint(int style, double size, QPen pen, QGraphicsItem * parent = 0);
public:
virtual QRectF boundingRect() const;
virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget);
public:
static void drawPoint(QPainter* painter, const QPointF& origin, double size, int style);
private:
QPen m_pen;
QColor m_color;
int m_style;
double m_size;
};
class QtGnuplotClippedPixmap : public QGraphicsPixmapItem
{
public:
QtGnuplotClippedPixmap(const QRectF& clipRect, const QPixmap& pixmap, QGraphicsItem* parent = 0)
: QGraphicsPixmapItem(pixmap, parent)
, m_clipRect(clipRect)
{
setFlags(flags() | QGraphicsItem::ItemClipsToShape);
}
public:
virtual QPainterPath shape() const
{
QPainterPath p;
p.addRect(m_clipRect);
return p;
}
private:
QRectF m_clipRect;
};
class QtGnuplotEnhancedFragment : public QAbstractGraphicsShapeItem
{
public:
QtGnuplotEnhancedFragment(const QFont& font, const QString& text, QGraphicsItem * parent = 0);
public:
virtual QRectF boundingRect() const;
virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget = 0);
qreal width() const;
private:
QFont m_font;
QString m_text;
};
class QtGnuplotEnhanced : public QGraphicsItem
{
public:
QtGnuplotEnhanced(QGraphicsItem * parent = 0) : QGraphicsItem(parent) { m_overprintMark = false;}
public:
virtual QRectF boundingRect() const { return childrenBoundingRect(); }
virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget);
public:
void addText(const QString& fontName, double fontSize,
QFont::Style fontStyle, QFont::Weight fontWeight,
double base, bool widthFlag,
bool showFlag, int overprint, const QString& text, QColor color);
private:
QPointF m_currentPos, m_savedPos;
bool m_overprintMark;
double m_overprintPos;
};
class QtGnuplotKeybox : public QRectF
{
public:
QtGnuplotKeybox(const QRectF& rect);
void setHidden(bool state);
bool ishidden() const;
void showStatus(QGraphicsRectItem* me);
void resetStatus();
private:
bool m_hidden;
QGraphicsRectItem *m_statusBox;
};
struct QtGnuplotPoints_PointData
{
unsigned int z;
QPointF point;
int style;
double pointSize;
QPen pen;
};
struct QtGnuplotPoints_PolygonData
{
unsigned int z;
QPolygonF polygon;
QPen pen;
};
struct QtGnuplotPoints_FilledPolygonData
{
unsigned int z;
QPolygonF polygon;
QBrush brush;
};
// Single item that gathers many points and line to increase the performance of the terminal
class QtGnuplotPoints : public QGraphicsItem
{
public:
QtGnuplotPoints(QGraphicsItem* parent = 0);
public:
void addPoint(const QPointF& point, int style, double pointSize, const QPen& pen);
void addPolygon(const QPolygonF& polygon, const QPen& pen);
void addFilledPolygon(const QPolygonF& polygon, const QBrush& brush);
bool isEmpty() const;
public:
virtual QRectF boundingRect() const;
virtual void paint(QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget);
private:
QVector<QtGnuplotPoints_PointData> m_points;
QVector<QtGnuplotPoints_PolygonData> m_polygons;
QVector<QtGnuplotPoints_FilledPolygonData> m_filledPolygons;
QRectF m_boundingRect;
unsigned int m_currentZ;
};
#endif // QTGNUPLOTITEMS_H