[Bf-blender-cvs] [d24c0011cfd] master: GPencil: Make Ignore Transparent option more consistent

[Antonio Vazquez]

Commit: d24c0011cfd812f9bc8d3fefb7b9ad9af48bd533
Author: Antonio Vazquez
Date:   Sun Nov 20 11:22:20 2022 +0100
Branches: master
https://developer.blender.org/rBd24c0011cfd812f9bc8d3fefb7b9ad9af48bd533

GPencil: Make Ignore Transparent option more consistent

The code was doing the oposite of the UI option.

Related to T102625

===================================================================

M	source/blender/editors/gpencil/gpencil_fill.c

===================================================================

diff --git a/source/blender/editors/gpencil/gpencil_fill.c b/source/blender/editors/gpencil/gpencil_fill.c
index 5c88e719b8c..6fd23a29661 100644
--- a/source/blender/editors/gpencil/gpencil_fill.c
+++ b/source/blender/editors/gpencil/gpencil_fill.c
@@ -968,7 +968,8 @@ static void gpencil_draw_basic_stroke(tGPDfill *tgpf,
 
   for (int i = 0; i < totpoints; i++, pt++) {
 
-    if (flag & GP_BRUSH_FILL_HIDE) {
+    /* This flag is inverted in the UI. */
+    if ((flag & GP_BRUSH_FILL_HIDE) == 0) {
       float alpha = gp_style->stroke_rgba[3] * pt->strength;
       CLAMP(alpha, 0.0f, 1.0f);
       col[3] = alpha <= thershold ? 0.0f : 1.0f;