/usr/lib/Wt/examples/widgetgallery/PaintBrush.h is in witty-examples 3.1.10-1ubuntu2.
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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 | // This may look like C code, but it's really -*- C++ -*-
#include <Wt/WPaintedWidget>
#include <Wt/WPainterPath>
#include <Wt/WColor>
#include <Wt/WEvent>
#include <vector>
#ifndef PAINTBRUSH_H_
#define PAINTBRUSH_H_
using namespace Wt;
class PaintBrush : public WPaintedWidget
{
public:
PaintBrush(int width, int height, WContainerWidget *parent = 0);
void clear() {
update();
}
void setColor(const WColor& c) {
color_ = c;
}
protected:
virtual void paintEvent(WPaintDevice *paintDevice);
private:
WPainterPath path_;
WColor color_;
void mouseDown(const WMouseEvent& e);
void mouseDrag(const WMouseEvent& e);
void touchStart(const WTouchEvent& e);
void touchMove(const WTouchEvent& e);
};
#endif // PAINTBRUSH_H_
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