110 lines
2.7 KiB
C++
110 lines
2.7 KiB
C++
/* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef MAP_WIDGET_HPP
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#define MAP_WIDGET_HPP
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#include <QWidget>
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#include <QImage>
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#include <QPixmap>
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#include <QPen>
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#include <QItemSelection>
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#include <iostream>
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#include <string>
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#include <memory>
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#ifndef Q_MOC_RUN
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#include <mapnik/map.hpp>
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#endif
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class MapWidget : public QWidget
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{
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Q_OBJECT
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public:
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enum eTool
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{
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ZoomToBox = 1,
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Pan,
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Info,
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};
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enum eRenderer
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{
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AGG,
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Cairo,
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Grid
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};
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private:
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std::shared_ptr<mapnik::Map> map_;
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int selected_;
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QPixmap pix_;
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mapnik::box2d<double> extent_;
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eTool cur_tool_;
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int start_x_;
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int start_y_;
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int end_x_;
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int end_y_;
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bool drag_;
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bool first_;
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QPen pen_;
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int selectedLayer_;
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double scaling_factor_;
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eRenderer cur_renderer_;
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public:
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MapWidget(QWidget *parent=0);
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void setTool(eTool tool);
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std::shared_ptr<mapnik::Map> getMap();
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inline QPixmap const& pixmap() const { return pix_;}
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void setMap(std::shared_ptr<mapnik::Map> map);
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void defaultView();
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void zoomToBox(mapnik::box2d<double> const& box);
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void zoomIn();
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void zoomOut();
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void panLeft();
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void panRight();
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void panUp();
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void panDown();
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void set_scaling_factor(double);
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public slots:
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void zoomToLevel(int level);
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void updateMap();
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void layerSelected(int);
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void updateRenderer(QString const& txt);
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void updateScaleFactor(double scale_factor);
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signals:
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void mapViewChanged();
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protected:
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void paintEvent(QPaintEvent* ev);
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void resizeEvent(QResizeEvent* ev);
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void mousePressEvent(QMouseEvent* e);
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void mouseMoveEvent(QMouseEvent* e);
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void mouseReleaseEvent(QMouseEvent* e);
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void wheelEvent(QWheelEvent* e);
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void keyPressEvent(QKeyEvent *e);
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void export_to_file(unsigned width,
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unsigned height,
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std::string const& filename,
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std::string const& type);
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};
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#endif // MAP_WIDGET_HPP
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