/usr/include/qgis/qgstextdiagram.h is in libqgis-dev 2.0.1-2build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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qgstextdiagram.h
---------------------
begin : March 2011
copyright : (C) 2011 by Marco Hugentobler
email : marco dot hugentobler at sourcepole dot ch
***************************************************************************
* *
* 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. *
* *
***************************************************************************/
#ifndef QGSTEXTDIAGRAM_H
#define QGSTEXTDIAGRAM_H
#define DIAGRAM_NAME_TEXT "Text"
#include "qgsdiagram.h"
#include "qgsfeature.h"
#include <QPen>
#include <QBrush>
class QPainter;
class QPointF;
class QgsDiagramSettings;
class QgsDiagramInterpolationSettings;
class QgsRenderContext;
class CORE_EXPORT QgsTextDiagram: public QgsDiagram
{
public:
enum Shape
{
Circle = 0,
Rectangle,
Triangle
};
enum Orientation
{
Horizontal = 0,
Vertical
};
QgsTextDiagram();
~QgsTextDiagram();
void renderDiagram( const QgsAttributes& att, QgsRenderContext& c, const QgsDiagramSettings& s, const QPointF& position );
QSizeF diagramSize( const QgsAttributes& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s );
QSizeF diagramSize( const QgsAttributes& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s, const QgsDiagramInterpolationSettings& is );
QString diagramName() const { return DIAGRAM_NAME_TEXT; }
private:
Orientation mOrientation;
Shape mShape;
QBrush mBrush; //transparent brush
QPen mPen;
/**Calculates intersection points between a line and an ellipse
@return intersection points*/
void lineEllipseIntersection( const QPointF& lineStart, const QPointF& lineEnd, const QPointF& ellipseMid, double r1, double r2, QList<QPointF>& result ) const;
};
#endif // QGSTEXTDIAGRAM_H
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