More user friendly crop and zoom interface

Bug #549182 reported by Fabien Lusseau on 2010-03-26
This bug affects 8 people
Affects Status Importance Assigned to Milestone
OpenShot Video Editor

Bug Description

OpenShot need a little tweak on the Layout tab of the clip properties.

The ideal could be a mouse drag and drop system to ajust the crop level. Like adjusting a square that represent the screen, because we can barely view the difference on the preview screen what is the "real" black border of the clip

and the zoom should be using the same king of trick the alpha use but with the possibility to go from -200 to 200 % and if you want a specific number a box should be added at the end of that.

In Keyframe we can choose the start and the end. If we want a constant level an option should be added to avoid to refill the informations twice. (like a checkbox "Use keyframes ?")

It can open a new way to add keyframe too, with an "edit keyframe fonction" on the preview screen.

Oh I almost forgot, after every change of every values on the layout tab, the preview image should be refresh. Because we have to tweak with the play button to refresh the preview.

Keep up the good work ! I love that great video editor !

moimael (moimael) on 2010-03-27
Changed in openshot:
importance: Undecided → Wishlist
cboteros (cboteros) wrote :

Yes, it is really good video editor, and certainly it can be better.

An extra suggestion if it can go here, would be to make some button bars thinner so the preview video area keeps larger.

For example, the "play" buttons just bellow the video are too big and steals a lot of space to the video preview, perhars it would be good to either being able to show them smaller or to auto-hide the buttons.

Also the "Track tool bar" could be modified so the buttons in there are smaller or are placed somewhere else so they don't steal so much working space. For example, they could be showing in the empty space on the right side of the "Timeline - Sequence 1" (then you will have space for one more track line if you want, or just decrease that to have again more space for the preview video area).

If this was not the right place for this suggestion, I apologize.


Andy Finch (fincha) wrote :

@cboteros - have you tried any of the alternative themes (from the preferences menu) - some of those have smaller button images.

Yes, a proper crop tool is the only thing I'm missing in OpenShot at the moment. I just downloaded "HandBrake svn3797 (x86_64)" from and that crop tool did the trick so easy.

Set how much you want to crop from all sides top/right/bottom/left and gives the resulting resolution at the same time. Really easy to use.

I need this feature so I can crop away toolbars and rules from screen recordings.

Changed in openshot:
status: New → Triaged
Andrea Denzler (andreaplanet) wrote :

I wanted to crop a 1280x960 (4:3) video to a 1280x720 (16:9) video. Had to do manually the calculation of the percentage to crop.
Height: 133%
Y: 16%

But the exact crop should be 133.33333% because 960/720 = 1.33333. And Y: should be 33.3333/2. OpenShot only support an integer percentage. I like the idea to give (also) exact pixel values. It would be nice if I can draw the two rectangles Start Clip - End Clip with two different colors as in iMovie, with the option to specify a particular aspect ratio (original aspect ratio or a new one or none).

Andrea Denzler (andreaplanet) wrote :

Also the layout zoom is limited to 300% for Width/Height and +/-100% for X/Y. This doesnt allow me to zoom to the top-right, bottom-left or bottom-right corner of the video. Only zoom to top-left corner is possible when Width/Height is set to 300% for example.

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