#include <string>
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Weffc++"
#pragma GCC diagnostic ignored "-Wunused-local-typedefs"
#include <boost/shared_ptr.hpp>
#include <QApplication>
#include <QBitmap>
#include <QGraphicsPathItem>
#include <QGraphicsPixmapItem>
#include <QGraphicsScene>
#include <QGraphicsView>
#include <QTimer>
#pragma GCC diagnostic pop
struct Background : public QGraphicsPixmapItem
{
explicit Background(const std::string& filename)
{
QPixmap m(filename.c_str());
this->setPixmap(m);
}
};
struct TransparentSprite : public QGraphicsPixmapItem
{
explicit TransparentSprite(
const std::string& filename,
const QColor& transparency_color = QColor(0,255,0)) //Lime green
: dx(1), dy(1), maxx(320), maxy(200)
{
QPixmap pixmap(filename.c_str());
const QBitmap mask = pixmap.createMaskFromColor(transparency_color);
pixmap.setMask(mask);
this->setPixmap(pixmap);
}
void advance(int)
{
int new_x = this->x();
int new_y = this->y();
new_x+=dx;
new_y+=dy;
if (new_x<0 || new_x>maxx) dx= -dx;
if (new_y<0 || new_y>maxy) dy= -dy;
this->setX(new_x);
this->setY(new_y);
}
void setRect(const int width, const int height)
{
maxx = width - this->pixmap().width();
maxy = height - this->pixmap().height();
}
private:
int dx;
int dy;
int maxx;
int maxy;
};
int main(int argc, char *argv[])
{
QApplication a(argc, argv);
QGraphicsScene s;
QGraphicsView v(&s);
//Original image from http://commons.wikimedia.org/wiki/File:Bubblegum_2.png
//by Marendo Mueller 10.05.2013, resized to 15%
Background background(":/images/Bubblegum_2.png");
s.addItem(&background);
//Image from http://commons.wikimedia.org/wiki/File:Bloem.png
//by DD21
TransparentSprite sprite(":/images/Bloem.png");
sprite.setRect(background.pixmap().width(),background.pixmap().height());
s.addItem(&sprite);
v.show();
boost::shared_ptr<QTimer> timer(new QTimer(&s));
timer->connect(timer.get(), SIGNAL(timeout()), &s, SLOT(advance()));
timer->start(10);
return a.exec();
}
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