How to insert QImage(or sth like that) into QLabel?

Question

I have both text and image in QLabel, so setPixmap won't satisfy my requirement.
As far as I know, QLabel can load image from file by setting HTML label <img src="path_to_file" />. But how can I load image from memory(e.g. QImage)? Because some images are frequently used, it may have performance problem loading the same image from file every time.

score 1 · Answer 1 · answered Mar 04 '13 at 09:43

QLabel accepts QPixmaps, which can be constructed from QImage. I do not know about the python interface, but maybe this helps:

In C++ you can set an image like this:

QLabel label;
QImage image("path_to_file");
QPixmap pixmap = QPixmap::fromImage(image);
label.setPixmap(pixmap);

score 0 · Answer 2 · answered Mar 04 '13 at 06:40

0

You have two choices:

use two labels, one with the text and one with the image.
use a QPainter to draw the text over the image.

answered Mar 04 '13 at 06:40

zzk

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Could you explain more on 2? Do you mean cover the image with text on it? Because there are unknown number of image within the text, so 1 can't help. – hbprotoss Mar 04 '13 at 06:44
@hbprotoss check out this link: http://stackoverflow.com/questions/4270229/qt-how-to-set-text-on-top-of-qlabel-image – zzk Mar 04 '13 at 06:59

score 0 · Answer 3 · answered Mar 04 '13 at 09:14

0

You can also set stylesheet for your QLabel as:- QLabel{ background-image: url(/images/button.png);

answered Mar 04 '13 at 09:14

Nitish Jain

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How to insert QImage(or sth like that) into QLabel?

3 Answers3