[Bf-blender-cvs] [49a18cc91e5] master: Fix T93163: GPencil scale thickness fails in negative scales

[Antonio Vazquez]

Commit: 49a18cc91e55c92d5e0261d70b56eb3e2a10b0fa
Author: Antonio Vazquez
Date:   Thu Dec 30 11:17:55 2021 +0100
Branches: master
https://developer.blender.org/rB49a18cc91e55c92d5e0261d70b56eb3e2a10b0fa

Fix T93163: GPencil scale thickness fails in negative scales

Before the negative scales produced a thickness invalid. Now, the value is used in absolute value to avoid this situation.

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M	source/blender/editors/transform/transform_mode.c

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diff --git a/source/blender/editors/transform/transform_mode.c b/source/blender/editors/transform/transform_mode.c
index d2e7f9f83df..2ab4cdff5e6 100644
--- a/source/blender/editors/transform/transform_mode.c
+++ b/source/blender/editors/transform/transform_mode.c
@@ -1042,7 +1042,7 @@ void ElementResize(const TransInfo *t,
       applyNumInput(&num_evil, values_final_evil);
 
       float ratio = values_final_evil[0];
-      *td->val = td->ival * ratio * gps->runtime.multi_frame_falloff;
+      *td->val = td->ival * fabs(ratio) * gps->runtime.multi_frame_falloff;
       CLAMP_MIN(*td->val, 0.001f);
     }
   }