/[projects]/infoscreen/pictureview.cpp
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Diff of /infoscreen/pictureview.cpp

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revision 526 by torben, Tue Jan 5 17:19:02 2010 UTC revision 709 by torben, Wed May 5 09:37:08 2010 UTC
# Line 1  Line 1 
1  #include "pictureview.h"  #include "pictureview.h"
2    
3  #include <QGraphicsView>  #include <QPainter>
 #include <QGraphicsScene>  
4  #include <QDebug>  #include <QDebug>
5  #include <QUrl>  
6  #include <QHttp>  #include "httpwrapper.h"
7    
8  PictureView::PictureView(QWidget* parent)  PictureView::PictureView(QWidget* parent)
9          : QWidget(parent)          : QWidget(parent)
10  {  {
     http.connect(&http, SIGNAL(requestFinished(int,bool)),this, SLOT(onLoad(int,bool)) );  
11  }  }
12    
13    
14  void PictureView::paintEvent ( QPaintEvent* event)  void PictureView::paintEvent ( QPaintEvent* event)
15  {      {    
16      Q_UNUSED(event);      Q_UNUSED(event);
17    
18        QSize s = this->size();
19    
20        QBrush blackBrush(Qt::black);
21    
22      QPainter painter(this);      QPainter painter(this);
23      painter.drawPixmap(0,0,image);      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      painter.end();      painter.end();
38  }  }
39    
# Line 27  void PictureView::loadFromUrl(QString so Line 44  void PictureView::loadFromUrl(QString so
44          image = it.value();          image = it.value();
45          this->repaint();          this->repaint();
46      } else {      } else {
47          requestedUrl = source;          qDebug() << "Loading file " << source;
   
         QUrl url(requestedUrl);  
         http.setHost(url.host() );  
         http.get(url.path(), 0);  
     }  
 }  
   
 void PictureView::onLoad(int id, bool ok)  
 {  
     Q_UNUSED(id);  
     Q_UNUSED(ok);  
     qint64 byteCount = http.bytesAvailable();  
   
     if (byteCount > 0) {  
   
         QByteArray data = http.readAll();    
48    
49          QPixmap pixmap;          QPixmap pixmap;
50          pixmap.loadFromData( data );          if (source.at(0) == '/') { //local file
51                pixmap = QPixmap(source);
52            } else {
53                QByteArray data = HttpWrapper::getSyncData(source);
54                pixmap.loadFromData( data );
55            }
56    
57          QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );          QPixmap scaledImage = pixmap.scaled(size(), Qt::KeepAspectRatio, Qt::SmoothTransformation);
58    
59          image = scaledImage;          image = scaledImage;
60          this->repaint();          this->repaint();
61    
62          map.insert(requestedUrl, scaledImage);          map.insert(source, scaledImage);
63    
64      }      }
65  }  }
66    
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