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);

    QSize s = this->size();

    QBrush blackBrush(Qt::black);

    QPainter painter(this);
    painter.fillRect( QRect(0,0,s.width(), s.height()), blackBrush);

    int x = 0;
    int y = 0;

    if (image.width() < s.width() )  {
        x = (s.width() - image.width()) / 2;
    }
    if (image.height() < s.height() ) {
        y = (s.height() - image.height()) / 2;
    }


    painter.drawPixmap(x,y,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.scaled(size(), Qt::KeepAspectRatio, 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	torben	524	void PictureView::paintEvent ( QPaintEvent* event)
15			{
16	torben	525	Q_UNUSED(event);
17	torben	707
18			QSize s = this->size();
19
20			QBrush blackBrush(Qt::black);
21
22	torben	524	QPainter painter(this);
23	torben	707	painter.fillRect( QRect(0,0,s.width(), s.height()), blackBrush);
24
25			int x = 0;
26			int y = 0;
27
28			if (image.width() < s.width() ) {
29			x = (s.width() - image.width()) / 2;
30			}
31			if (image.height() < s.height() ) {
32			y = (s.height() - image.height()) / 2;
33			}
34
35
36			painter.drawPixmap(x,y,image);
37	torben	524	painter.end();
38			}
39
40			void PictureView::loadFromUrl(QString source)
41			{
42			QMap<QString, QPixmap>::iterator it = map.find(source);
43			if (it != map.end() ) {
44			image = it.value();
45			this->repaint();
46			} else {
47	torben	639	qDebug() << "Loading file " << source;
48	torben	524
49	torben	526	QPixmap pixmap;
50	torben	639	if (source.at(0) == '/') { //local file
51			pixmap = QPixmap(source);
52			} else {
53			QByteArray data = HttpWrapper::getSyncData(source);
54			pixmap.loadFromData( data );
55			}
56	torben	524
57	torben	707	QPixmap scaledImage = pixmap.scaled(size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
58	torben	524
59	torben	526	image = scaledImage;
60			this->repaint();
61	torben	524
62	torben	528	map.insert(source, scaledImage);
63
64	torben	526	}
65	torben	524	}