[PyQt] Set a SVG image as background and with transparency
"Gustavo A. Díaz"
gustavo.diaz at gmail.com
Thu Aug 9 03:41:56 BST 2007
Well guys... i am getting nuts trying to do this :S
Here is an example i what i really want:
Now, superkaramba is developed with C++/Python/QT. As you could see,
they do not use QT background for the app, but .png pixmaps as
backgrounds and with transparency.
Anyone could help me to make this possible?
I've read a lot of examples ... but still i cant make it :S
Thanks guys and sorry to disturb you... but i am stuck on this...
David Boddie escribió:
> On Mon, 6 Aug 2007 11:17:18 -0300, Gustavo A. Díaz wrote:
>> I tried to render a svg file and load as background, which i didn't
>> succeed... i just threated it as a pixmaps to load it, but with that i cant
>> set transparency ,if i am not wrong.
> Pixmaps can have levels of transparency, too.
>> For example, i have a label which is the same size of my application and is
>> where i put the image as background having this result:
>> http://opencoffee.lnxteam.org/downloads/pub/pics/OpenCoffee_Server.png (is
>> the mainWidget background, the bluish one)
> So, do you want just the blue areas to be partially transparent?
> I'm not sure how to do that.
>> Now, i want to know how to load that image but rendering as a SVG file
>> should be threated in that background. What i temporary did is:
>> self.mainWindowPixmap = QtGui.QPixmap (
>> (mainWindowBg is the QLabel)
>> Which i know is not the correct way to threat a SVG image.
> OK, but it's still worth testing with a pixmap - as you have done.
>> I have two doubts here, one is i want to set transparency a SVG image,
>> render and set it in that QLabel
>> The other, is how do i set transparency for the window of that app using
>> that SVG image? (which should have transparency if i am not wrong)
> The transparency set using QWidget.setWindowOpacity() is for everything in
> the window, which isn't what you want. It might be worth checking that this
> works, anyway, because what you want to do will depend on system features
> that this also needs.
>> PS: i know David, i read those links about transparency... but i have those
>> doubts and i have no clear how to render a svg file and load/set inside a
> I would suggest using a QSvgWidget instead of a QLabel for displaying
> SVG drawings that you want to be scalable.
> PyQt mailing list PyQt at riverbankcomputing.com
/Gustavo A. Díaz/
Gustavo A. Díaz
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