Question

i receive BItmap image from socket so it is char*
i can write it to file
but how show it directly from buffer

ui->label->setPixmap(????)

thanks

Answer 1

You can construct QImage from this data and then create QPixmap from it. For example:

int dataSize = 1024;
uchar data[dataSize];
QImage image = QImage::fromData(data, dataSize, "PNG");
QPixmap pixmap = QPixmap::fromImage(image);