projects/infoscreen/pictureview.cpp

#include "pictureview.h"

#include <QPainter>
#include <QDebug>

#include "httpwrapper.h"

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

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	#include "pictureview.h"
2
3	#include <QPainter>
4	#include <QDebug>
5
6	#include "httpwrapper.h"
7
8	PictureView::PictureView(QWidget* parent)
9	: QWidget(parent)
10	{
11	}
12
13	void PictureView::paintEvent ( QPaintEvent* event)
14	{
15	Q_UNUSED(event);
16	QPainter painter(this);
17	painter.drawPixmap(0,0,image);
18	painter.end();
19	}
20
21	void PictureView::loadFromUrl(QString source)
22	{
23	QMap<QString, QPixmap>::iterator it = map.find(source);
24	if (it != map.end() ) {
25	image = it.value();
26	this->repaint();
27	} else {
28	qDebug() << "Loading file " << source;
29
30	QPixmap pixmap;
31	if (source.at(0) == '/') { //local file
32	pixmap = QPixmap(source);
33	} else {
34	QByteArray data = HttpWrapper::getSyncData(source);
35	pixmap.loadFromData( data );
36	}
37
38	QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );
39
40	image = scaledImage;
41	this->repaint();
42
43	map.insert(source, scaledImage);
44
45	}
46	}