main.cpp Example File

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  #include <QApplication>
  #include <QPainter>
  #include <QTime>
  #include "block.h"
  #include "window.h"

  QImage createImage(int width, int height)
  {
      QImage image(width, height, QImage::Format_RGB16);
      QPainter painter;
      QPen pen;
      pen.setStyle(Qt::NoPen);
      QBrush brush(Qt::blue);

      painter.begin(&image);
      painter.fillRect(image.rect(), brush);
      brush.setColor(Qt::white);
      painter.setPen(pen);
      painter.setBrush(brush);

      static const QPointF points1[3] = {
          QPointF(4, 4),
          QPointF(7, 4),
          QPointF(5.5, 1)
      };

      static const QPointF points2[3] = {
          QPointF(1, 4),
          QPointF(7, 4),
          QPointF(10, 10)
      };

      static const QPointF points3[3] = {
          QPointF(4, 4),
          QPointF(10, 4),
          QPointF(1, 10)
      };

      painter.setWindow(0, 0, 10, 10);

      int x = 0;
      int y = 0;
      int starWidth = image.width()/3;
      int starHeight = image.height()/3;

      QRect rect(x, y, starWidth, starHeight);

      for (int i = 0; i < 9; ++i) {

          painter.setViewport(rect);
          painter.drawPolygon(points1, 3);
          painter.drawPolygon(points2, 3);
          painter.drawPolygon(points3, 3);

          if (i % 3 == 2) {
              y = y + starHeight;
              rect.moveTop(y);

              x = 0;
              rect.moveLeft(x);

          } else {
              x = x + starWidth;
              rect.moveLeft(x);
          }
      }

      painter.end();
      return image;
  }

  int main(int argc, char *argv[])
  {
      QApplication app(argc, argv);
      qRegisterMetaType<Block>();
      qsrand(QTime::currentTime().elapsed());

      Window window;
      window.show();

      window.loadImage(createImage(256, 256));
      return app.exec();
  }