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IndoorMap/mapview/2D/tools/ToolMapZoom.h
kazu f40fc9a823 added a ruler for measuring
added support for meta-data editing
improved element selection
changed zooming
fixed some issues with layer events
fixed issue with 3D outline
fixed loading issue for old maps
some interface changes
2017-03-10 13:44:17 +01:00

38 lines
609 B
C++

#ifndef TOOLMAPZOOM_H
#define TOOLMAPZOOM_H
#include "Tool.h"
#include "../MapView2D.h"
/**
* this tool allows zooming in and out of the map
*/
class ToolMapZoom : public Tool {
public:
const std::string getName() const override {
return "MapZoom";
}
virtual bool wheelEvent(MapView2D* m, QWheelEvent* e) override {
Scaler& s = m->getScaler();
if (e->delta() < 0) {
s.setScale(s.getScale() * 0.75);
} else {
s.setScale(s.getScale() / 0.75);
}
if (s.getScale() > 1000) {s.setScale(1000);}
if (s.getScale() < 5) {s.setScale(5);}
return true;
}
};
#endif // TOOLMAPZOOM_H