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#include "CairoWidget.hxx"
#include <math.h>
namespace systemtap
{
void CairoPlayButton::draw(Cairo::RefPtr<Cairo::Context> cr)
{
if (!_visible)
return;
cr->save();
cr->set_line_width(1.0);
// square with rounded corners
cr->move_to(_x0, _y0 + _radius);
cr->arc(_x0 + _radius, _y0 + _radius, _radius, M_PI, -M_PI_2);
cr->line_to(_x0 + _size - _radius, _y0);
cr->arc(_x0 + _size - _radius, _y0 + _radius, _radius, -M_PI_2, 0.0);
cr->line_to(_x0 + _size, _y0 + _size - _radius);
cr->arc(_x0 + _size - _radius, _y0 + _size - _radius, _radius, 0.0, M_PI_2);
cr->line_to(_x0 + _radius, _y0 + _size);
cr->arc(_x0 + _radius, _y0 + _size - _radius, _radius, M_PI_2, M_PI);
cr->close_path();
//cr->rectangle(_x0, _y0, 50.0, 50.0);
cr->set_source_rgba(1.0, 1.0, 1.0, .8);
cr->stroke();
// play equalateral triangle
cr->move_to(_x0 + .25 * _size, _y0 + (.5 - 1.0 / (sqrt(3.0) * 2.0)) * _size);
cr->line_to(_x0 + .75 * _size, _y0 + .5 * _size);
cr->line_to(_x0 + .25 * _size, _y0 + (.5 + 1.0 / (sqrt(3.0) * 2.0)) * _size);
cr->close_path();
cr->fill();
cr->restore();
}
bool CairoPlayButton::containsPoint(double x, double y)
{
if (x >= _x0 && (x < (_x0 + 50.0)) && (y >= _y0) && (y < (_y0 + 50)))
return true;
else
return false;
}
}
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