/usr/include/qgis/qgscomposerarrow.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.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | /***************************************************************************
qgscomposerarrow.h
----------------------
begin : November 2009
copyright : (C) 2009 by Marco Hugentobler
email : marco@hugis.net
***************************************************************************/
/***************************************************************************
* *
* 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 QGSCOMPOSERARROW_H
#define QGSCOMPOSERARROW_H
#include "qgscomposeritem.h"
#include <QBrush>
#include <QPen>
/**An item that draws an arrow between to points*/
class CORE_EXPORT QgsComposerArrow: public QgsComposerItem
{
public:
enum MarkerMode
{
DefaultMarker,
NoMarker,
SVGMarker
};
QgsComposerArrow( QgsComposition* c );
QgsComposerArrow( const QPointF& startPoint, const QPointF& stopPoint, QgsComposition* c );
~QgsComposerArrow();
/** return correct graphics item type. Added in v1.7 */
virtual int type() const { return ComposerArrow; }
/** \brief Reimplementation of QCanvasItem::paint - draw on canvas */
void paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget );
/**Modifies position of start and endpoint and calls QgsComposerItem::setSceneRect*/
void setSceneRect( const QRectF& rectangle );
/**Sets the width of the arrow head in mm*/
void setArrowHeadWidth( double width );
double arrowHeadWidth() const {return mArrowHeadWidth;}
void setOutlineWidth( double width );
double outlineWidth() const {return mPen.widthF();}
void setStartMarker( const QString& svgPath );
QString startMarker() const {return mStartMarkerFile;}
void setEndMarker( const QString& svgPath );
QString endMarker() const {return mEndMarkerFile;}
QColor arrowColor() const { return mArrowColor; }
void setArrowColor( const QColor& c ) { mArrowColor = c; }
MarkerMode markerMode() const { return mMarkerMode;}
void setMarkerMode( MarkerMode mode ) {mMarkerMode = mode;}
/** stores state in Dom element
* @param elem is Dom element corresponding to 'Composer' tag
* @param doc document
*/
bool writeXML( QDomElement& elem, QDomDocument & doc ) const;
/** sets state from Dom document
* @param itemElem is Dom node corresponding to item tag
* @param doc is the document to read
*/
bool readXML( const QDomElement& itemElem, const QDomDocument& doc );
private:
enum MarkerType
{
StartMarker,
EndMarker
};
QPointF mStartPoint;
QPointF mStopPoint;
QPen mPen;
QBrush mBrush;
/**Width of the arrow marker in mm. May be specified by the user. The height is automatically adapted*/
double mArrowHeadWidth;
/**Height of the arrow marker in mm. Is calculated from arrow marker width and apsect ratio of svg*/
double mStartArrowHeadHeight;
double mStopArrowHeadHeight;
/**Path to the start marker file*/
QString mStartMarkerFile;
/**Path to the end marker file*/
QString mEndMarkerFile;
/**Default marker, no marker or svg marker*/
MarkerMode mMarkerMode;
QColor mArrowColor;
/**Adapts the item scene rect to contain the start point, the stop point including the arrow marker and the outline.
Needs to be called whenever the arrow width/height, the outline with or the endpoints are changed*/
void adaptItemSceneRect();
/**Draws the default marker at the line end*/
void drawHardcodedMarker( QPainter* p, MarkerType type );
/**Draws a user-defined marker (must be an svg file)*/
void drawSVGMarker( QPainter* p, MarkerType type, const QString& markerPath );
/**Apply default graphics settings*/
void initGraphicsSettings();
};
#endif // QGSCOMPOSERARROW_H
|