diff options
| author | Campbell Barton <ideasman42@gmail.com> | 2016-05-03 10:49:18 +0300 |
|---|---|---|
| committer | Campbell Barton <ideasman42@gmail.com> | 2016-05-03 10:49:18 +0300 |
| commit | c2f28864d6f381f560f30bc8e7da56a2787881dd (patch) | |
| tree | 98d30e6176a8a62c4ec0f95dc9573e2787abc9cc /source/blender/editors/sculpt_paint/paint_image_2d.c | |
| parent | ead2496e6716dc15b0327ba69ebf16303ebc3877 (diff) | |
Fix T48169: 1 pixel offset painting 2D textures
Painting at negative locations was using int-rounding.
Diffstat (limited to 'source/blender/editors/sculpt_paint/paint_image_2d.c')
| -rw-r--r-- | source/blender/editors/sculpt_paint/paint_image_2d.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_image_2d.c b/source/blender/editors/sculpt_paint/paint_image_2d.c index c5a066e9b14..59b50e28ce7 100644 --- a/source/blender/editors/sculpt_paint/paint_image_2d.c +++ b/source/blender/editors/sculpt_paint/paint_image_2d.c @@ -302,8 +302,8 @@ static void brush_painter_mask_imbuf_partial_update(BrushPainter *painter, const srcx = srcy = 0; w = cache->tex_mask_old_w; h = cache->tex_mask_old_h; - destx = (int)painter->lastpaintpos[0] - (int)pos[0] + (diameter / 2 - w / 2); - desty = (int)painter->lastpaintpos[1] - (int)pos[1] + (diameter / 2 - h / 2); + destx = (int)floorf(painter->lastpaintpos[0]) - (int)floorf(pos[0]) + (diameter / 2 - w / 2); + desty = (int)floorf(painter->lastpaintpos[1]) - (int)floorf(pos[1]) + (diameter / 2 - h / 2); /* hack, use temporary rects so that clipping works */ IMB_rectclip(&maskibuf, &maskibuf_old, &destx, &desty, &srcx, &srcy, &w, &h); @@ -570,8 +570,8 @@ static void brush_painter_imbuf_partial_update(BrushPainter *painter, const floa srcx = srcy = 0; w = oldtexibuf->x; h = oldtexibuf->y; - destx = (int)painter->lastpaintpos[0] - (int)pos[0] + (diameter / 2 - w / 2); - desty = (int)painter->lastpaintpos[1] - (int)pos[1] + (diameter / 2 - h / 2); + destx = (int)floorf(painter->lastpaintpos[0]) - (int)floorf(pos[0]) + (diameter / 2 - w / 2); + desty = (int)floorf(painter->lastpaintpos[1]) - (int)floorf(pos[1]) + (diameter / 2 - h / 2); IMB_rectclip(cache->texibuf, oldtexibuf, &destx, &desty, &srcx, &srcy, &w, &h); } @@ -641,8 +641,8 @@ static void brush_painter_2d_tex_mapping(ImagePaintState *s, int diameter, const mapping->ymax = 1.0f; } else /* if (mapmode == MTEX_MAP_MODE_TILED) */ { - mapping->xmin = (int)(-diameter * 0.5) + (int)pos[0] - (int)startpos[0]; - mapping->ymin = (int)(-diameter * 0.5) + (int)pos[1] - (int)startpos[1]; + mapping->xmin = (int)(-diameter * 0.5) + (int)floorf(pos[0]) - (int)floorf(startpos[0]); + mapping->ymin = (int)(-diameter * 0.5) + (int)floorf(pos[1]) - (int)floorf(startpos[1]); mapping->xmax = 1.0f; mapping->ymax = 1.0f; } @@ -758,8 +758,8 @@ static void brush_painter_2d_refresh_cache(ImagePaintState *s, BrushPainter *pai } else if (do_partial_update) { /* do only partial update of texture */ - int dx = (int)painter->lastpaintpos[0] - (int)pos[0]; - int dy = (int)painter->lastpaintpos[1] - (int)pos[1]; + int dx = (int)floorf(painter->lastpaintpos[0]) - (int)floorf(pos[0]); + int dy = (int)floorf(painter->lastpaintpos[1]) - (int)floorf(pos[1]); if ((dx != 0) || (dy != 0)) { brush_painter_imbuf_partial_update(painter, pos, diameter); |