git.sesse.net Git - nageru/blob - jpeg_frame_view.cpp

   1 #include "jpeg_frame_view.h"
   2
   3 #include <QGraphicsPixmapItem>
   4 #include <QPixmap>
   5
   6 using namespace std;
   7
   8 string filename_for_frame(unsigned stream_idx, int64_t pts);
   9
  10 JPEGFrameView::JPEGFrameView(QWidget *parent)
  11         : QGraphicsView(parent) {
  12         scene.addItem(&item);
  13         setScene(&scene);
  14         setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  15         setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
  16 }
  17
  18 void JPEGFrameView::update()
  19 {
  20         item.setPixmap(QPixmap(QString::fromStdString(filename_for_frame(stream_idx, pts))));
  21         fitInView(&item, Qt::KeepAspectRatio);
  22 }
  23
  24 void JPEGFrameView::resizeEvent(QResizeEvent *event)
  25 {
  26         fitInView(&item, Qt::KeepAspectRatio);
  27 }