/[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 641 by torben, Thu Apr 8 05:50:48 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    // 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  void PictureView::paintEvent ( QPaintEvent* event)  void PictureView::paintEvent ( QPaintEvent* event)
17  {      {    
18      Q_UNUSED(event);      Q_UNUSED(event);
# Line 27  void PictureView::loadFromUrl(QString so Line 28  void PictureView::loadFromUrl(QString so
28          image = it.value();          image = it.value();
29          this->repaint();          this->repaint();
30      } else {      } else {
31          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();    
32    
33          QPixmap pixmap;          QPixmap pixmap;
34          pixmap.loadFromData( data );          if (source.at(0) == '/') { //local file
35                pixmap = QPixmap(source);
36            } else {
37                QByteArray data = HttpWrapper::getSyncData(source);
38                pixmap.loadFromData( data );
39            }
40    
41          QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );          QPixmap scaledImage = pixmap.scaledToHeight(size().height(), Qt::SmoothTransformation );
42    
43          image = scaledImage;          image = scaledImage;
44          this->repaint();          this->repaint();
45    
46          map.insert(requestedUrl, scaledImage);          map.insert(source, scaledImage);
47    
48      }      }
49  }  }
50    
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