paysages3d/gui_qt/preview.h

68 lines
1.1 KiB
C
Raw Normal View History

#ifndef _PAYSAGES_QT_PREVIEW_H_
#define _PAYSAGES_QT_PREVIEW_H_
#include <QMutex>
#include <QImage>
#include <QWidget>
#include <QThread>
class Preview:public QWidget
{
Q_OBJECT
public:
Preview(QWidget* parent);
~Preview();
void doRender();
void redraw();
void setScaling(double scaling);
protected:
virtual void updateData();
virtual QColor getColor(double x, double y);
double xoffset;
double yoffset;
double scaling;
private:
void forceRender();
void renderPixbuf();
static void startUpdater();
void resizeEvent(QResizeEvent* event);
void paintEvent(QPaintEvent* event);
QThread* updater;
QMutex* lock_drawing;
QImage* pixbuf;
int mousex;
int mousey;
bool alive;
bool need_rerender;
bool need_render;
double conf_scroll_xmin;
double conf_scroll_xmax;
double conf_scroll_ymin;
double conf_scroll_ymax;
double conf_scale_min;
double conf_scale_max;
double conf_scale_step;
signals:
void contentChange();
void redrawRequested();
private slots:
void handleRedraw();
};
#endif