bool PictureRenderer::load(const QString &filename)
{
fname = filename;
if (picture.load(filename) && picture.size() > 0)
return true;
return false;
}
void PictureDisplay::keyPressEvent( QKeyEvent *k )
{
switch ( tolower(k->ascii()) ) {
case 'r': // reload
pict->load( name );
update();
break;
case 'q': // quit
QApplication::exit();
break;
}
}
int main()
{
QWidget myWidget;
{
// RECORD
//! [0]
QPicture picture;
QPainter painter;
painter.begin(&picture); // paint in picture
painter.drawEllipse(10,20, 80,70); // draw an ellipse
painter.end(); // painting done
picture.save("drawing.pic"); // save picture
//! [0]
}
{
// REPLAY
//! [1]
QPicture picture;
picture.load("drawing.pic"); // load picture
QPainter painter;
painter.begin(&myImage); // paint in myImage
painter.drawPicture(0, 0, picture); // draw the picture at (0,0)
painter.end(); // painting done
//! [1]
}
QPicture myPicture;
{
// FORMATS
//! [2]
QStringList list = QPicture::inputFormatList();
foreach (QString string, list)
myProcessing(string);
//! [2]
}
{
// OUTPUT
//! [3]
QStringList list = QPicture::outputFormatList();
foreach (QString string, list)
myProcessing(string);
//! [3]
}
{
// PIC READ
//! [4]
QPictureIO iio;
QPixmap pixmap;
iio.setFileName("vegeburger.pic");
if (iio.read()) { // OK
QPicture picture = iio.picture();
QPainter painter(&pixmap);
painter.drawPicture(0, 0, picture);
}
//! [4]
}
{
QPixmap pixmap;
// PIC WRITE
//! [5]
QPictureIO iio;
QPicture picture;
QPainter painter(&picture);
painter.drawPixmap(0, 0, pixmap);
iio.setPicture(picture);
iio.setFileName("vegeburger.pic");
iio.setFormat("PIC");
if (iio.write())
return true; // returned true if written successfully
//! [5]
}
}