Interactive vector graphics canvas for python?

Question

I'm writing a small application in Python, and I wanted the user to be able to place, move, rotate, etc. different objects on a canvas. Is there any way to accomplish that without a ton of coding? I'm doing this in my free time, and I only have a limited experience in PyQt.

That's basically what any vector graphics editor does (ie. Inkscape, Corel Draw or Dr. Geo): they give the users handles to move, stretch and rotate objects. I was wondering if there's any widget or whatever that already provides the handles and the basic operations, so I only have to implement the program's reaction to those operations.

Since I'm planning on releasing this under a free license (if I ever get to the point of releasing) any open source license would be great.

Thanks!

Rems · Accepted Answer · 2013-07-26 09:03:09Z

4

Look at Qt Graphics View Framework, it is supported in PyQt4. Another option is to use OpenGL which will require more code but provide more flexibility and hardware acceleration (also supported in PyQt4).

edited Jul 26, 2013 at 9:03

Rems

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answered Dec 9, 2010 at 20:20

vls

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2 Comments

Arnoques Over a year ago

As far as I can see, the Qt Graphics View helps a lot (it provides the rendering and mouse events), but I'll need to make a custom Item class to get the translation, etc., and to draw the handles. It's not awfully hard, so if there's no better answer I guess I'll go with that one.

deadly Over a year ago

Both those links are dead.

Keith · Accepted Answer · 2010-12-09 20:54:23Z

3

One option is GooCanvas and the Python bindings for it. GooCanvas

answered Dec 9, 2010 at 20:54

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Comments

u0b34a0f6ae · Accepted Answer · 2013-03-27 12:34:25Z

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Look at the library gaphas, it implements object resize/move/edit by default, so it is quick to start with.

answered Mar 27, 2013 at 12:34

u0b34a0f6ae

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1 Comment

nadapez Over a year ago

Gaphas has poor documentation. Just very abstract concepts and API reference. No tutorial nor examples explained. No hello world. Also the API seems very ackward and anti intuititive. Really hard to grasp. On the other hand I havent found other similar library

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