projects/infoscreen/pictureview.cpp

#include "pictureview.h"

#include <QPainter>
#include <QDebug>

#include "httpwrapper.h"

PictureView::PictureView(QWidget* parent)
        : QWidget(parent)
{
}


// TODO: if the picture doesn't fill the screen, fill the canvas with black before drawing the picture and 
// place the image mid-screen
void PictureView::paintEvent ( QPaintEvent* event)
{    
    Q_UNUSED(event);
    QPainter painter(this);
    painter.drawPixmap(0,0,image);
    painter.end();
}

void PictureView::loadFromUrl(QString source)
{
    QMap<QString, QPixmap>::iterator it = map.find(source);
    if (it != map.end() ) {
        image = it.value();
        this->repaint();
    } else {
        qDebug() << "Loading file " << source;

        QPixmap pixmap;
        if (source.at(0) == '/') { //local file
            pixmap = QPixmap(source);
        } else {
            QByteArray data = HttpWrapper::getSyncData(source);
            pixmap.loadFromData( data );
        }

        QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );

        image = scaledImage;
        this->repaint();

        map.insert(source, scaledImage);

    }
}
1	torben	524	#include "pictureview.h"
2
3	torben	528	#include <QPainter>
4	torben	639	#include <QDebug>
5	torben	524
6	torben	528	#include "httpwrapper.h"
7
8	torben	524	PictureView::PictureView(QWidget* parent)
9			: QWidget(parent)
10			{
11			}
12
13	torben	641
14			// TODO: if the picture doesn't fill the screen, fill the canvas with black before drawing the picture and
15			// place the image mid-screen
16	torben	524	void PictureView::paintEvent ( QPaintEvent* event)
17			{
18	torben	525	Q_UNUSED(event);
19	torben	524	QPainter painter(this);
20			painter.drawPixmap(0,0,image);
21			painter.end();
22			}
23
24			void PictureView::loadFromUrl(QString source)
25			{
26			QMap<QString, QPixmap>::iterator it = map.find(source);
27			if (it != map.end() ) {
28			image = it.value();
29			this->repaint();
30			} else {
31	torben	639	qDebug() << "Loading file " << source;
32	torben	524
33	torben	526	QPixmap pixmap;
34	torben	639	if (source.at(0) == '/') { //local file
35			pixmap = QPixmap(source);
36			} else {
37			QByteArray data = HttpWrapper::getSyncData(source);
38			pixmap.loadFromData( data );
39			}
40	torben	524
41	torben	526	QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );
42	torben	524
43	torben	526	image = scaledImage;
44			this->repaint();
45	torben	524
46	torben	528	map.insert(source, scaledImage);
47
48	torben	526	}
49	torben	524	}