Revision: 48931
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48931
Author: campbellbarton
Date: 2012-07-15 00:07:41 +0000 (Sun, 15 Jul 2012)
Log Message:
-----------
fix for some bugs when the mask layer was outside the view, also clamp the
layer buckets within the view.
Modified Paths:
--------------
trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
Modified: trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
2012-07-14 23:26:54 UTC (rev 48930)
+++ trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
2012-07-15 00:07:41 UTC (rev 48931)
@@ -298,6 +298,17 @@
}
}
+static void layer_bucket_init_dummy(MaskRasterLayer *layer)
+{
+ layer->buckets_x = 0;
+ layer->buckets_y = 0;
+
+ layer->buckets_xy_scalar[0] = 0.0f;
+ layer->buckets_xy_scalar[1] = 0.0f;
+
+ layer->buckets_face = NULL;
+}
+
static void layer_bucket_init(MaskRasterLayer *layer, const float pixel_size)
{
MemArena *arena = BLI_memarena_new(1 << 16, __func__);
@@ -363,34 +374,42 @@
/* not essential but may as will skip any faces outside
the view */
if (!((xmax < 0.0f) || (ymax < 0.0f) || (xmin > 1.0f)
|| (ymin > 1.0f))) {
- const unsigned int xi_min = (unsigned int)
((xmin - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
- const unsigned int xi_max = (unsigned int)
((xmax - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
- const unsigned int yi_min = (unsigned int)
((ymin - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
- const unsigned int yi_max = (unsigned int)
((ymax - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
- void *face_index_void =
SET_UINT_IN_POINTER(face_index);
- unsigned int xi, yi;
+ CLAMP(xmin, 0.0f, 1.0f);
+ CLAMP(ymin, 0.0f, 1.0f);
+ CLAMP(xmax, 0.0f, 1.0f);
+ CLAMP(ymax, 0.0f, 1.0f);
- for (yi = yi_min; yi <= yi_max; yi++) {
- unsigned int bucket_index =
(layer->buckets_x * yi) + xi_min;
- for (xi = xi_min; xi <= xi_max; xi++,
bucket_index++) {
- // unsigned int bucket_index =
(layer->buckets_x * yi) + xi; /* correct but do in outer loop */
+ {
+ const unsigned int xi_min = (unsigned
int) ((xmin - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
+ const unsigned int xi_max = (unsigned
int) ((xmax - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
+ const unsigned int yi_min = (unsigned
int) ((ymin - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
+ const unsigned int yi_max = (unsigned
int) ((ymax - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
+ void *face_index_void =
SET_UINT_IN_POINTER(face_index);
- BLI_assert(xi <
layer->buckets_x);
- BLI_assert(yi <
layer->buckets_y);
- BLI_assert(bucket_index <
bucket_tot);
+ unsigned int xi, yi;
- /* check if the bucket
intersects with the face */
- /* note: there is a tradeoff
here since checking box/tri intersections isn't
- * as optimal as it could be,
but checking pixels against faces they will never intersect
- * with is likely the greater
slowdown here - so check if the cell intersects the face */
- if
(layer_bucket_isect_test(layer, face_index,
- xi,
yi,
-
bucket_size_x, bucket_size_y,
-
bucket_max_rad_squared))
- {
-
BLI_linklist_prepend_arena(&bucketstore[bucket_index], face_index_void, arena);
-
bucketstore_tot[bucket_index]++;
+ for (yi = yi_min; yi <= yi_max; yi++) {
+ unsigned int bucket_index =
(layer->buckets_x * yi) + xi_min;
+ for (xi = xi_min; xi <= xi_max;
xi++, bucket_index++) {
+ // unsigned int
bucket_index = (layer->buckets_x * yi) + xi; /* correct but do in outer loop */
+
+ BLI_assert(xi <
layer->buckets_x);
+ BLI_assert(yi <
layer->buckets_y);
+ BLI_assert(bucket_index
< bucket_tot);
+
+ /* check if the bucket
intersects with the face */
+ /* note: there is a
tradeoff here since checking box/tri intersections isn't
+ * as optimal as it
could be, but checking pixels against faces they will never intersect
+ * with is likely the
greater slowdown here - so check if the cell intersects the face */
+ if
(layer_bucket_isect_test(layer, face_index,
+
xi, yi,
+
bucket_size_x, bucket_size_y,
+
bucket_max_rad_squared))
+ {
+
BLI_linklist_prepend_arena(&bucketstore[bucket_index], face_index_void, arena);
+
bucketstore_tot[bucket_index]++;
+ }
}
}
}
@@ -436,6 +455,7 @@
const short do_aspect_correct, const short
do_mask_aa,
const short do_feather)
{
+ const rctf default_bounds = {0.0f, 1.0f, 0.0f, 1.0f};
const int resol = SPLINE_RESOL; /* TODO: real size */
const float pixel_size = 1.0f / MIN2(width, height);
@@ -785,19 +805,33 @@
{
MaskRasterLayer *layer =
&mr_handle->layers[masklay_index];
- layer->face_tot = sf_tri_tot +
tot_feather_quads;
- layer->face_coords = face_coords;
- layer->face_array = face_array;
- layer->bounds = bounds;
+ if (BLI_isect_rctf(&default_bounds, &bounds,
&bounds)) {
+ layer->face_tot = sf_tri_tot +
tot_feather_quads;
+ layer->face_coords = face_coords;
+ layer->face_array = face_array;
+ layer->bounds = bounds;
+ layer_bucket_init(layer, pixel_size);
+
+ BLI_union_rctf(&mr_handle->bounds,
&bounds);
+ }
+ else {
+ MEM_freeN(face_coords);
+ MEM_freeN(face_array);
+
+ layer->face_tot = 0;
+ layer->face_coords = NULL;
+ layer->face_array = NULL;
+
+ layer_bucket_init_dummy(layer);
+
+ BLI_rctf_init(&layer->bounds, -1.0f,
-1.0f, -1.0f, -1.0f);
+ }
+
/* copy as-is */
layer->alpha = masklay->alpha;
layer->blend = masklay->blend;
layer->blend_flag = masklay->blend_flag;
-
- layer_bucket_init(layer, pixel_size);
-
- BLI_union_rctf(&mr_handle->bounds, &bounds);
}
/* printf("tris %d, feather tris %d\n", sf_tri_tot,
tot_feather_quads); */
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