/usr/include/qgis/qgscomposerlegend.h is in libqgis-dev 1.7.4+1.7.5~20120320-1.1+b1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 | /***************************************************************************
qgscomposerlegend.h - description
-------------------
begin : June 2008
copyright : (C) 2008 by Marco Hugentobler
email : marco dot hugentobler at karto dot baug dot ethz 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 QGSCOMPOSERLEGEND_H
#define QGSCOMPOSERLEGEND_H
#include "qgscomposeritem.h"
#include "qgslegendmodel.h"
class QgsSymbol;
class QgsSymbolV2;
class QgsComposerGroupItem;
class QgsComposerLayerItem;
class QgsComposerMap;
/** \ingroup MapComposer
* A legend that can be placed onto a map composition
*/
class CORE_EXPORT QgsComposerLegend: public QgsComposerItem
{
Q_OBJECT
public:
QgsComposerLegend( QgsComposition* composition );
~QgsComposerLegend();
/** return correct graphics item type. Added in v1.7 */
virtual int type() const { return ComposerLegend; }
/** \brief Reimplementation of QCanvasItem::paint*/
void paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget );
/**Paints the legend and calculates its size. If painter is 0, only size is calculated*/
QSizeF paintAndDetermineSize( QPainter* painter );
/**Sets item box to the whole content*/
void adjustBoxSize();
/**Returns pointer to the legend model*/
QgsLegendModel* model() {return &mLegendModel;}
//setters and getters
void setTitle( const QString& t ) {mTitle = t;}
QString title() const {return mTitle;}
QFont titleFont() const;
void setTitleFont( const QFont& f );
QFont groupFont() const;
void setGroupFont( const QFont& f );
QFont layerFont() const;
void setLayerFont( const QFont& f );
QFont itemFont() const;
void setItemFont( const QFont& f );
double boxSpace() const {return mBoxSpace;}
void setBoxSpace( double s ) {mBoxSpace = s;}
double layerSpace() const {return mLayerSpace;}
void setLayerSpace( double s ) {mLayerSpace = s;}
double symbolSpace() const {return mSymbolSpace;}
void setSymbolSpace( double s ) {mSymbolSpace = s;}
double iconLabelSpace() const {return mIconLabelSpace;}
void setIconLabelSpace( double s ) {mIconLabelSpace = s;}
double symbolWidth() const {return mSymbolWidth;}
void setSymbolWidth( double w ) {mSymbolWidth = w;}
double symbolHeight() const {return mSymbolHeight;}
void setSymbolHeight( double h ) {mSymbolHeight = h;}
void setComposerMap( const QgsComposerMap* map );
const QgsComposerMap* composerMap() const { return mComposerMap; }
/**Updates the model and all legend entries*/
void updateLegend();
/** stores state in Dom node
* @param elem is Dom element corresponding to 'Composer' tag
* @param doc Dom 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 Dom document
*/
bool readXML( const QDomElement& itemElem, const QDomDocument& doc );
public slots:
/**Data changed*/
void synchronizeWithModel();
/**Sets mCompositionMap to 0 if the map is deleted*/
void invalidateCurrentMap();
protected:
QString mTitle;
//different fonts for entries
QFont mTitleFont;
QFont mGroupFont;
QFont mLayerFont;
QFont mItemFont;
/**Space between item box and contents*/
double mBoxSpace;
/**Vertical space between layer entries*/
double mLayerSpace;
/**Vertical space between symbol entries*/
double mSymbolSpace;
/**Horizontal space between item icon and label*/
double mIconLabelSpace;
/**Width of symbol icon*/
double mSymbolWidth;
/**Height of symbol icon*/
double mSymbolHeight;
QgsLegendModel mLegendModel;
/**Reference to map (because symbols are sometimes in map units)*/
const QgsComposerMap* mComposerMap;
private:
QgsComposerLegend(); //forbidden
/**Draws a group item and all subitems*/
void drawGroupItem( QPainter* p, QgsComposerGroupItem* groupItem, double& currentYCoord, double& maxXCoord );
/**Draws a layer item and all subitems*/
void drawLayerItem( QPainter* p, QgsComposerLayerItem* layerItem, double& currentYCoord, double& maxXCoord );
/**Draws child items of a layer item
@param p painter
@param layerItem parent model item (layer)
@param currentYCoord in/out: current y position of legend item
@param maxXCoord in/out: maximum x-coordinate of the whole legend
@param layerOpacity opacity of the corresponding map layer
*/
void drawLayerChildItems( QPainter* p, QStandardItem* layerItem, double& currentYCoord, double& maxXCoord, int layerOpacity = 255 );
/**Draws a symbol at the current y position and returns the new x position. Returns real symbol height, because for points,
it is possible that it differs from mSymbolHeight*/
void drawSymbol( QPainter* p, QgsSymbol* s, double currentYCoord, double& currentXPosition, double& symbolHeight, int layerOpacity = 255 ) const;
void drawSymbolV2( QPainter* p, QgsSymbolV2* s, double currentYCoord, double& currentXPosition, double& symbolHeight, int layerOpacity = 255 ) const;
void drawPointSymbol( QPainter*, QgsSymbol* s, double currentYCoord, double& currentXPosition, double& symbolHeight, int opacity = 255 ) const;
void drawLineSymbol( QPainter*, QgsSymbol* s, double currentYCoord, double& currentXPosition, int opacity = 255 ) const;
void drawPolygonSymbol( QPainter* p, QgsSymbol* s, double currentYCoord, double& currentXPosition, int opacity = 255 ) const;
/**Helper function that lists ids of layers contained in map canvas*/
QStringList layerIdList() const;
};
#endif
|