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#include "led.h"
#include "painter.h"
namespace GUI {
LED::LED(Widget *parent)
: Widget(parent)
, state(Off)
{
}
void LED::setState(state_t state)
{
if(this->state != state)
{
this->state = state;
redraw();
}
}
void LED::repaintEvent(RepaintEvent* repaintEvent)
{
size_t h = height() - 1;
size_t w = width() - 1;
Painter p(*this);
float alpha = 0.9;
switch(state) {
case Red:
p.setColour(Colour(1, 0, 0,alpha));
break;
case Green:
p.setColour(Colour(0, 1, 0, alpha));
break;
case Blue:
p.setColour(Colour(0, 0, 1, alpha));
break;
case Off:
p.setColour(Colour(0.2, 0.2, 0.2, alpha));
break;
}
size_t size = w / 2;
if((h / 2) < size)
{
size = h / 2;
}
p.drawFilledCircle(w / 2, h / 2, size);
switch(state) {
case Red:
p.setColour(Colour(0.4, 0, 0, alpha));
break;
case Green:
p.setColour(Colour(0, 0.4, 0, alpha));
break;
case Blue:
p.setColour(Colour(0, 0, 0.4, alpha));
break;
case Off:
p.setColour(Colour(0.1, 0.1, 0.1, alpha));
break;
}
p.drawCircle(w / 2, h / 2, size);
p.setColour(Colour(1, alpha));
p.drawFilledCircle(w / 3, h / 3, size / 6);
}
}
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