Blender Git Loki

Enable antialiasing while drawing

The antialiasing was not activated for previous strokes, only for current.

Fix: Temporary fix for crashes when moving GP keyframes when toggling Onion Skinning

ANIM_list_elem_update() was not doing anything as ale->id was null,
and we were filtering the channels by "animdata" blocks (i.e. the GP
datablocks). While technically what we're doing here isn't totally
correct (I'll need to come up with a better fix tomorrow), this will
be a good quick-fix for the crashes they animators are currently getting.

Fix compile errors after merge

Merge branch 'blender2.8' into greasepencil-object

Conflicts:
source/blender/blenloader/intern/versioning_280.c

Cleanup: Remove unused code

WIP: More work in smooth process

Fix merge errors

Merge branch 'blender2.8' into greasepencil-object

Smooth Strength and Thickness too

Improve subdivide stroke while drawing

Now instead of create a point half way, a smooth process is applicated.

WIP: Check minimum tablet pressure

In some tablets when the user ends the stroke the tablet send several events with a pressure of 0 or with very low values. These low pressure values produce weird lines at the end of the stroke.

Cleanup UI and unused fields

New Smooth modifer

Allow to apply smooth to the stroke after drawing.

This is not related to the smooth of the stroke while drawing.

Cleanup extra space

WIP: Remove smooth lower limit

These lines were for debug only and must be removed

Fix merge errors

The ruler was using old grease pencil structure and palettes.

This need more attention in the future.

Merge branch 'blender2.8' into greasepencil-object

WIP: Smooth Thickness and Strength

This mooth the thickness of the strokes using points before and after. The same for strength (alpha)

Some cleanup too.

Fix error in previous commits

WIP: Readjust smooth thickness weights