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/*
webcamwidget.h - A simple widget for displaying webcam frames
Copyright (c) 2006 by Gustavo Pichorim Boiko <[email protected]>
Kopete (c) 2002-2006 by the Kopete developers <[email protected]>
*************************************************************************
* *
* 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. *
* *
*************************************************************************
*/
#include "webcamwidget.h"
#include <qcolor.h>
#include <qpainter.h>
#include <kdebug.h>
namespace Kopete
{
WebcamWidget::WebcamWidget( QWidget* parent, const char* name )
: QWidget( parent, name )
{
clear();
}
WebcamWidget::~WebcamWidget()
{
// don't do anything either
}
void WebcamWidget::updatePixmap(const QPixmap& pixmap)
{
mPixmap = pixmap;
mText = "";
QPaintEvent *ev = new QPaintEvent( rect(), true );
paintEvent( ev );
delete ev;
}
void WebcamWidget::clear()
{
mText = "";
if (!mPixmap.isNull())
mPixmap.resize(0,0);
QPaintEvent *ev = new QPaintEvent( rect(), true );
paintEvent( ev );
delete ev;
}
void WebcamWidget::setText(const QString& text)
{
mText = text;
// for now redraw everything
QPaintEvent *ev = new QPaintEvent( rect(), true );
paintEvent( ev );
delete ev;
}
void WebcamWidget::paintEvent( QPaintEvent* event )
{
QMemArray<QRect> rects = event->region().rects();
if (!mPixmap.isNull())
{
for (unsigned int i = 0; i < rects.count(); ++i)
{
bitBlt(this, rects[i].topLeft(), &mPixmap, rects[i], Qt::CopyROP, true);
}
}
else
{
for (unsigned int i = 0; i < rects.count(); ++i)
{
QColor bgColor = paletteBackgroundColor();
QPainter p(this);
p.fillRect(rects[i], bgColor);
}
}
// TODO: draw the text
QPainter p(this);
QRect r = p.boundingRect(rect(), Qt::AlignCenter | Qt::WordBreak, mText );
if ( !mText.isEmpty() && event->rect().intersects(r))
{
p.setPen(Qt::black);
QRect rec = rect();
rec.moveTopLeft(QPoint(1,1));
p.drawText(rec, Qt::AlignCenter | Qt::WordBreak, mText, -1);
rec.moveTopLeft(QPoint(-1,-1));
p.setPen(Qt::white);
p.drawText(rec, Qt::AlignCenter | Qt::WordBreak, mText, -1);
}
}
} // end namespace Kopete
#include "webcamwidget.moc"
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