fix [#31530] Project paint with Clipping border gives opaque background

draw clipping box alpha 0 so reprojection and rendering show the background as alpha 0.

1 files changed, 3 insertions, 2 deletions

diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index d157db9e993..35376412628 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -232,9 +232,10 @@ float   UI_GetThemeValuef(int colorid);
 int     UI_GetThemeValue(int colorid);
 
 // get three color values, scaled to 0.0-1.0 range
-void    UI_GetThemeColor3fv(int colorid, float *col);
+void    UI_GetThemeColor3fv(int colorid, float col[3]);
 // get the color, range 0.0-1.0, complete with shading offset
-void    UI_GetThemeColorShade3fv(int colorid, int offset, float *col);
+void    UI_GetThemeColorShade3fv(int colorid, int offset, float col[3]);
+void    UI_GetThemeColorShade3ubv(int colorid, int offset, unsigned char col[3]);
 
 // get the 3 or 4 byte values
 void UI_GetThemeColor3ubv(int colorid, unsigned char col[3]);