view widgets/WaitingWidget.cpp @ 220:7b2a7880a501

antialiasing

/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*   
	Sound Access
		EASAIER client application.
		Silogic 2007. Benoit Rigolleau.

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License as
	published by the Free Software Foundation; either version 2 of the
	License, or (at your option) any later version.  See the file
	COPYING included with this distribution for more information.
*/


#include "WaitingWidget.h"
#include <QPainter>
#include <QLayout>
#include <QPalette>

WaitingWidget::WaitingWidget(QWidget *parent):QWidget(parent){
	m_ind=0;
	colors[0]=QRgb(0xfffec000);
	colors[1]=QRgb(0xffdbf756); 
	colors[2]=QRgb(0xffb7f151);
	colors[3]=QRgb(0xffb6d1aa);
	colors[4]=QRgb(0xff71b19d);
	colors[5]=QRgb(0xff9dd8ec);
	colors[6]=QRgb(0xff808080);
	colors[7]=QRgb(0xffcccccc);
	
}

void WaitingWidget::paintEvent(QPaintEvent *event){

	QWidget::paintEvent(event);
	if(timer.isActive()){
		QPainter painter(this);
		painter.setRenderHint(QPainter::Antialiasing, false);
		draw(&painter);
	}
}
void WaitingWidget::draw(QPainter *painter){

	QColor color1(QRgb(0x000000));
	color1.setAlpha(60);
	painter->setBrush(QBrush(color1, Qt::SolidPattern));
	painter->drawRect(0,0,this->width(), this->height());

	painter->setRenderHint (QPainter::Antialiasing, true );
	int xm = this->width()/2;
	int ym = this->height()/2;
	painter->translate(xm,ym);
	for(int i=0; i < 8; i++){
		//QColor penColor(colors[(m_ind+i)%8]);
		QColor penColor(colors[1]);
		penColor.setAlpha(((m_ind+i)%8+1)*30);
		painter->setPen(QPen(penColor,8,Qt::SolidLine,Qt::RoundCap));
		float angle = (360.0f/8.0f);
		painter->rotate(-angle);
		painter->drawLine(20,0,35,0);
	}
}


void WaitingWidget::setAnimation(bool animate)
{
    timer.stop();
    if (animate)
        timer.start(50, this);
}

void WaitingWidget::timerEvent(QTimerEvent *e)
{
    if (e->timerId() == timer.timerId()) {
        setUpdatesEnabled(false);
		m_ind = (m_ind+1)%8;
        setUpdatesEnabled(true);
        update();
    }
}