From c965d1d2ccfd57926476cb5c091afa35c6de217f Mon Sep 17 00:00:00 2001 From: Campbell Barton Date: Mon, 1 Aug 2011 08:53:57 +0000 Subject: fix [#28061] Texture (paint) bleeding on edges respect clamp u/v image options. --- source/blender/editors/sculpt_paint/paint_image.c | 26 +++++++++++++++++------ 1 file changed, 19 insertions(+), 7 deletions(-) (limited to 'source') diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c index c9a6aa87cd0..32004fd4525 100644 --- a/source/blender/editors/sculpt_paint/paint_image.c +++ b/source/blender/editors/sculpt_paint/paint_image.c @@ -2187,7 +2187,7 @@ static int IsectPoly2Df_twoside(const float pt[2], float uv[][2], const int tot) /* One of the most important function for projectiopn painting, since it selects the pixels to be added into each bucket. * initialize pixels from this face where it intersects with the bucket_index, optionally initialize pixels for removing seams */ -static void project_paint_face_init(const ProjPaintState *ps, const int thread_index, const int bucket_index, const int face_index, const int image_index, rctf *bucket_bounds, const ImBuf *ibuf) +static void project_paint_face_init(const ProjPaintState *ps, const int thread_index, const int bucket_index, const int face_index, const int image_index, rctf *bucket_bounds, const ImBuf *ibuf, const short clamp_u, const short clamp_v) { /* Projection vars, to get the 3D locations into screen space */ MemArena *arena = ps->arena_mt[thread_index]; @@ -2304,14 +2304,24 @@ static void project_paint_face_init(const ProjPaintState *ps, const int thread_i if (pixel_bounds_array(uv_clip, &bounds_px, ibuf->x, ibuf->y, uv_clip_tot)) { - + + if(clamp_u) { + CLAMP(bounds_px.xmin, 0, ibuf->x); + CLAMP(bounds_px.xmax, 0, ibuf->x); + } + + if(clamp_v) { + CLAMP(bounds_px.ymin, 0, ibuf->y); + CLAMP(bounds_px.ymax, 0, ibuf->y); + } + /* clip face and */ has_isect = 0; for (y = bounds_px.ymin; y < bounds_px.ymax; y++) { //uv[1] = (((float)y) + 0.5f) / (float)ibuf->y; uv[1] = (float)y / ibuf_yf; /* use pixel offset UV coords instead */ - + has_x_isect = 0; for (x = bounds_px.xmin; x < bounds_px.xmax; x++) { //uv[0] = (((float)x) + 0.5f) / ibuf->x; @@ -2630,6 +2640,7 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index LinkNode *node; int face_index, image_index=0; ImBuf *ibuf = NULL; + Image *ima = NULL; MTFace *tf; Image *tpage_last = NULL; @@ -2638,9 +2649,10 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index if (ps->image_tot==1) { /* Simple loop, no context switching */ ibuf = ps->projImages[0].ibuf; - + ima = ps->projImages[0].ima; + for (node = ps->bucketFaces[bucket_index]; node; node= node->next) { - project_paint_face_init(ps, thread_index, bucket_index, GET_INT_FROM_POINTER(node->link), 0, bucket_bounds, ibuf); + project_paint_face_init(ps, thread_index, bucket_index, GET_INT_FROM_POINTER(node->link), 0, bucket_bounds, ibuf, ima->tpageflag & IMA_CLAMP_U, ima->tpageflag & IMA_CLAMP_V); } } else { @@ -2659,14 +2671,14 @@ static void project_bucket_init(const ProjPaintState *ps, const int thread_index for (image_index=0; image_index < ps->image_tot; image_index++) { if (ps->projImages[image_index].ima == tpage_last) { ibuf = ps->projImages[image_index].ibuf; + ima = ps->projImages[image_index].ima; break; } } } /* context switching done */ - project_paint_face_init(ps, thread_index, bucket_index, face_index, image_index, bucket_bounds, ibuf); - + project_paint_face_init(ps, thread_index, bucket_index, face_index, image_index, bucket_bounds, ibuf, ima->tpageflag & IMA_CLAMP_U, ima->tpageflag & IMA_CLAMP_V); } } -- cgit v1.2.3