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Maniphest T79772

Gpencil. Additive drawing doesn't work when creating fills
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Description

System Information
Operating system: Darwin-19.3.0-x86_64-i386-64bit 64 Bits
Graphics card: AMD Radeon Pro 580 OpenGL Engine ATI Technologies Inc. 4.1 ATI-3.5.5

Blender Version
Broken: version: 2.91.0 Alpha, branch: master, commit date: 2020-08-09 00:04, hash: rBb522e834ec30

Short description of error
With the additive drawing switch turned on, creating a fill on a new keyframe doesn't preserve fills or strokes from the previous keyframe.

Expected: with additive drawing switch turned on, creating a fill on a new frame would create a new keyframe that included all strokes and fills from the previous keyframe, plus the new fill.


Exact steps for others to reproduce the error

  • open attached blend file
  • tap in the right-hand shape to fill it
  • fills and stroked from the previous fills layer keyframe aren't preserved in the new keyframe that was created.

additivedrawingfillbug.blend948 KBDownload

Revisions and Commits

rB Blender
rB36e4d4af5b01 Fix T79772: Gpencil. Additive drawing doesn't work when creating fills

Event Timeline

Tomasz Kaye (bitbutter) created this task.Aug 14 2020, 11:58 AM
Antonio Vazquez (antoniov) closed this task as Archived.Aug 14 2020, 5:33 PM
Antonio Vazquez (antoniov) claimed this task.
Antonio Vazquez (antoniov) added a subscriber: Antonio Vazquez (antoniov).

Additive drawing is by layer, so only the active layer is affected. If you have the fill in a different layer, this layer is not included. To do what you want, we would need add an option to enable additive for all layers, but this cannot be consider as a bug, but as a feature request.,

Anyway, you can use I key menu, to duplicate your drawings.

Thanks for the report, bu following the policies of this website, I must close it because it cannot be consider a bug.

For more information on why this isn't considered a bug, visit: https://wiki.blender.org/wiki/Reference/Not_a_bug

Antonio Vazquez (antoniov) added a project: Grease Pencil.Aug 14 2020, 5:33 PM
Tomasz Kaye (bitbutter) added a comment.Aug 14 2020, 5:49 PM

Additive drawing is by layer, so only the active layer is affected.

Yes. the bug report is about the active layer only. Adding a fill doesn't preserve strokes or fills from the previous keyframe on the active layer, as i believed 'additive drawing' was supposed to do.

Antonio Vazquez (antoniov) reopened this task as Needs Triage.Aug 14 2020, 6:06 PM
Antonio Vazquez (antoniov) changed the task status from Needs Triage to Confirmed.Aug 14 2020, 6:09 PM
Antonio Vazquez (antoniov) changed the subtype of this task from "Report" to "Bug".

Ah, I see... I had missunderstood the bug.

Antonio Vazquez (antoniov) closed this task as Resolved by committing rB36e4d4af5b01: Fix T79772: Gpencil. Additive drawing doesn't work when creating fills.Aug 14 2020, 7:05 PM
Antonio Vazquez (antoniov) added a commit: rB36e4d4af5b01: Fix T79772: Gpencil. Additive drawing doesn't work when creating fills.
Tomasz Kaye (bitbutter) awarded a token.Aug 26 2020, 10:40 AM