Re: [fltk.coredev] Gesture progress for 1.4?

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Re: Gesture progress for 1.4? Albrecht Schlosser 15:58 Oct 11 top right image
 
On 10/11/21 8:14 PM Albrecht Schlosser wrote:
On 10/11/21 4:28 AM Rob McDonald wrote:
The pinch zoom also gave deltas ...

I'll go back and set up a test program to look into this.  I needed some sign flips to make zoom work right on my machine -- but I'm feeding it into an OpenGL zoom parameter that may be counter intuitive.

Well, I wrote a small demo program (test/gestures.cxx). We can certainly improve it, but it works as expected (by me) on macOS with my latest changes in my private fork:

https://github.com/Albrecht-S/fltk/commits/MacOS_Gestures

You can either use CMake or fltk-config to build the demo program (Makefiles not updated).

Changes: positive angles in FL_ROTATE_GESTURE are now clockwise.

FL_ZOOM_GESTURE is in this test version not compatible with the 1.3 version. This is intentional and will be fixed in a later version.

Have fun! Feedback would be appreciated.

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