DrawingWindow.cpp

   1 #include "DrawingWindow.h"
   2 #include <QPainter>
   3
   4 #include <iostream>
   5
   6 DrawingWindow::DrawingWindow(const DrawingArea &a)
   7     : QWidget()
   8     , drawingArea(a)
   9 {
  10     initialize();
  11 }
  12
  13 DrawingWindow::DrawingWindow(QWidget *parent, const DrawingArea &a)
  14     : QWidget(parent)
  15     , drawingArea(a)
  16 {
  17     initialize();
  18 }
  19
  20 DrawingWindow::DrawingWindow(QWidget *parent, Qt::WindowFlags flags,
  21                              const DrawingArea &a)
  22     : QWidget(parent, flags)
  23     , drawingArea(a)
  24 {
  25     initialize();
  26 }
  27
  28 void DrawingWindow::paintEvent(QPaintEvent *)
  29 {
  30     std::cerr << "paint!\n";
  31     QPainter painter(this);
  32     painter.drawImage(0, 0, drawingArea.getImage());
  33 }
  34
  35 void DrawingWindow::initialize()
  36 {
  37     setFocusPolicy(Qt::StrongFocus);
  38     setFixedSize(drawingArea.getImage().size());
  39     setAttribute(Qt::WA_OpaquePaintEvent);
  40     connect(&drawingArea, SIGNAL(update()), this, SLOT(update()));
  41
  42 }