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Fix #26408: [texture paint] brush spacing

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Implemented non-spacing strokes (which are making paint step at each
mouse-move event).
This commit is contained in:
Sergey Sharybin 2011-03-08 19:52:35 +00:00
parent 3e43b5b72e
commit 1dc1b01c2a
1 changed files with 29 additions and 16 deletions
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45
source/blender/blenkernel/intern/brush.c
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@ -1018,29 +1018,42 @@ int brush_painter_paint(BrushPainter *painter, BrushFunc func, float *pos, doubl
len= normalize_v2(dmousepos);
painter->accumdistance += len;
/* do paint op over unpainted distance */
while ((len > 0.0f) && (painter->accumdistance >= spacing)) {
step= spacing - startdistance;
paintpos[0]= painter->lastmousepos[0] + dmousepos[0]*step;
paintpos[1]= painter->lastmousepos[1] + dmousepos[1]*step;
if (brush->flag & BRUSH_SPACE) {
/* do paint op over unpainted distance */
while ((len > 0.0f) && (painter->accumdistance >= spacing)) {
step= spacing - startdistance;
paintpos[0]= painter->lastmousepos[0] + dmousepos[0]*step;
paintpos[1]= painter->lastmousepos[1] + dmousepos[1]*step;
t = step/len;
press= (1.0f-t)*painter->lastpressure + t*pressure;
brush_apply_pressure(painter, brush, press);
spacing= MAX2(1.0f, radius)*brush->spacing*0.01f;
t = step/len;
press= (1.0f-t)*painter->lastpressure + t*pressure;
brush_apply_pressure(painter, brush, press);
spacing= MAX2(1.0f, radius)*brush->spacing*0.01f;
brush_jitter_pos(brush, paintpos, finalpos);
brush_jitter_pos(brush, paintpos, finalpos);
if (painter->cache.enabled)
brush_painter_refresh_cache(painter, finalpos);
totpaintops +=
func(user, painter->cache.ibuf, painter->lastpaintpos, finalpos);
painter->lastpaintpos[0]= paintpos[0];
painter->lastpaintpos[1]= paintpos[1];
painter->accumdistance -= spacing;
startdistance -= spacing;
}
} else {
brush_jitter_pos(brush, pos, finalpos);
if (painter->cache.enabled)
brush_painter_refresh_cache(painter, finalpos);
totpaintops +=
func(user, painter->cache.ibuf, painter->lastpaintpos, finalpos);
totpaintops += func(user, painter->cache.ibuf, pos, finalpos);
painter->lastpaintpos[0]= paintpos[0];
painter->lastpaintpos[1]= paintpos[1];
painter->accumdistance -= spacing;
startdistance -= spacing;
painter->lastpaintpos[0]= pos[0];
painter->lastpaintpos[1]= pos[1];
painter->accumdistance= 0;
}
/* do airbrush paint ops, based on the number of paint ops left over