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/**
* @brief The QgsLegendRenderer class handles automatic layout and rendering of legend.
* The content is given by QgsLayerTreeModel instance. Various layout properties can be configured
* within QgsLegendRenderer.
*
* All spacing and sizes are in millimeters.
*
* @note added in 2.6
*/
class QgsLegendRenderer
{
%TypeHeaderCode
#include <qgslegendrenderer.h>
%End
public:
/** Construct legend renderer. The ownership of legend model does not change */
QgsLegendRenderer( QgsLayerTreeModel* legendModel, const QgsLegendSettings& settings );
/** Run the layout algorithm and determine the size required for legend */
QSizeF minimumSize();
/** Set the preferred resulting legend size. */
void setLegendSize( QSizeF s );
/** Find out preferred legend size set by the client. If null, the legend will be drawn with the minimum size */
QSizeF legendSize() const;
/** Draw the legend with given painter. It will occupy the area reported in legendSize().
* Painter should be scaled beforehand so that units correspond to millimeters.
*/
void drawLegend( QPainter* painter );
static void setNodeLegendStyle( QgsLayerTreeNode* node, QgsComposerLegendStyle::Style style );
static QgsComposerLegendStyle::Style nodeLegendStyle( QgsLayerTreeNode* node, QgsLayerTreeModel* model );
};
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