GPencil: Remove the old UserPrefs-based On/Off Stroke Smoothing method

This never really worked that well, and often ended up being far too strong
to be of practical use. The new options do similar things, but with greater
control, so removing this old method now.

1 files changed, 0 insertions, 42 deletions

diff --git a/source/blender/editors/gpencil/gpencil_paint.c b/source/blender/editors/gpencil/gpencil_paint.c
index ea80e9a7803..040dfc4436d 100644
--- a/source/blender/editors/gpencil/gpencil_paint.c
+++ b/source/blender/editors/gpencil/gpencil_paint.c
@@ -449,45 +449,6 @@ static short gp_stroke_addpoint(tGPsdata *p, const int mval[2], float pressure,
 	return GP_STROKEADD_INVALID;
 }
 
-/* smooth a stroke (in buffer) before storing it */
-static void gp_stroke_smooth(tGPsdata *p)
-{
-	bGPdata *gpd = p->gpd;
-	tGPspoint *spt, tmp_spt[3];
-	int i = 0, cmx = gpd->sbuffer_size;
-	
-	/* only smooth if smoothing is enabled, and we're not doing a straight line */
-	if (!(U.gp_settings & GP_PAINT_DOSMOOTH) || ELEM(p->paintmode, GP_PAINTMODE_DRAW_STRAIGHT, GP_PAINTMODE_DRAW_POLY))
-		return;
-	
-	/* don't try if less than 2 points in buffer */
-	if ((cmx <= 2) || (gpd->sbuffer == NULL))
-		return;
-	
-	/* Calculate smoothing coordinates using weighted-averages
-	 * WARNING: we do NOT smooth first and last points (to avoid shrinkage)
-	 */
-	spt = (tGPspoint *)gpd->sbuffer;
-	
-	/* This (tmp_spt) small array stores the last two points' original coordinates,
-	 * as we don't want to use already averaged ones! It is used as a cyclic buffer...
-	 */
-	tmp_spt[0] = *spt;
-	for (i = 1, spt++; i < cmx - 1; i++, spt++) {
-		const tGPspoint *pc = spt;
-		const tGPspoint *pb = &tmp_spt[(i - 1) % 3];
-		const tGPspoint *pa = (i - 1 > 0) ? (&tmp_spt[(i - 2) % 3]) : (pb);
-		const tGPspoint *pd = pc + 1;
-		const tGPspoint *pe = (i + 2 < cmx) ? (pc + 2) : (pd);
-		
-		/* Store current point's original state for the two next points! */
-		tmp_spt[i % 3] = *spt;
-		
-		spt->x = (int)(0.1 * pa->x + 0.2 * pb->x + 0.4 * pc->x + 0.2 * pd->x + 0.1 * pe->x);
-		spt->y = (int)(0.1 * pa->y + 0.2 * pb->y + 0.4 * pc->y + 0.2 * pd->y + 0.1 * pe->y);
-	}
-}
-
 /* simplify a stroke (in buffer) before storing it
  *	- applies a reverse Chaikin filter
  *	- code adapted from etch-a-ton branch (editarmature_sketch.c)
@@ -1411,9 +1372,6 @@ static void gp_paint_strokeend(tGPsdata *p)
 	
 	/* check if doing eraser or not */
 	if ((p->gpd->sbuffer_sflag & GP_STROKE_ERASER) == 0) {
-		/* smooth stroke before transferring? */
-		gp_stroke_smooth(p);
-		
 		/* simplify stroke before transferring? */
 		gp_stroke_simplify(p);