Revision: 48945
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48945
Author: campbellbarton
Date: 2012-07-15 16:57:21 +0000 (Sun, 15 Jul 2012)
Log Message:
-----------
svn merge -r48944:48942 .
revert moving the file, adding a new module didnt resolve linking issue.
Revision Links:
--------------
http://projects.blender.org/scm/viewvc.php?view=rev&root=bf-blender&revision=48944
Added Paths:
-----------
trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
Removed Paths:
-------------
trunk/blender/source/blender/maskraster/
Copied: trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c (from
rev 48942, trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c)
===================================================================
--- trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
(rev 0)
+++ trunk/blender/source/blender/blenkernel/intern/mask_rasterize.c
2012-07-15 16:57:21 UTC (rev 48945)
@@ -0,0 +1,1032 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * The Original Code is Copyright (C) 2012 Blender Foundation.
+ * All rights reserved.
+ *
+ * Contributor(s): Blender Foundation,
+ * Campbell Barton
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file blender/blenkernel/intern/mask_rasterize.c
+ * \ingroup bke
+ */
+
+#include "MEM_guardedalloc.h"
+
+#include "DNA_vec_types.h"
+#include "DNA_mask_types.h"
+#include "DNA_scene_types.h"
+
+#include "BLI_utildefines.h"
+#include "BLI_scanfill.h"
+#include "BLI_memarena.h"
+
+#include "BLI_math.h"
+#include "BLI_rect.h"
+#include "BLI_listbase.h"
+#include "BLI_linklist.h"
+
+#include "BKE_mask.h"
+
+#ifndef USE_RASKTER
+
+#define SPLINE_RESOL_CAP 32
+#define SPLINE_RESOL 32
+#define BUCKET_PIXELS_PER_CELL 8
+
+#define SF_EDGE_IS_BOUNDARY 0xff
+#define SF_KEYINDEX_TEMP_ID ((unsigned int) -1)
+
+#define TRI_TERMINATOR_ID ((unsigned int) -1)
+#define TRI_VERT ((unsigned int) -1)
+
+
+/* --------------------------------------------------------------------- */
+/* local structs for mask rasterizeing */
+/* --------------------------------------------------------------------- */
+
+/**
+ * A single #MaskRasterHandle contains multile #MaskRasterLayer's,
+ * each #MaskRasterLayer does its own lookup which contributes to
+ * the final pixel with its own blending mode and the final pixel
+ * is blended between these.
+ */
+
+/* internal use only */
+typedef struct MaskRasterLayer {
+ /* geometry */
+ unsigned int face_tot;
+ unsigned int (*face_array)[4]; /* access coords tri/quad */
+ float (*face_coords)[3]; /* xy, z 0-1 (1.0 == filled) */
+
+
+ /* 2d bounds (to quickly skip bucket lookup) */
+ rctf bounds;
+
+
+ /* buckets */
+ unsigned int **buckets_face;
+ /* cache divide and subtract */
+ float buckets_xy_scalar[2]; /* (1.0 / (buckets_width + FLT_EPSILON)) *
buckets_x */
+ unsigned int buckets_x;
+ unsigned int buckets_y;
+
+
+ /* copied direct from #MaskLayer.--- */
+ /* blending options */
+ float alpha;
+ char blend;
+ char blend_flag;
+ char falloff;
+
+} MaskRasterLayer;
+
+typedef struct MaskRasterSplineInfo {
+ unsigned int vertex_offset;
+ unsigned int vertex_total;
+ unsigned int is_cyclic;
+} MaskRasterSplineInfo;
+
+/**
+ * opaque local struct for mask pixel lookup, each MaskLayer needs one of these
+ */
+struct MaskRasterHandle {
+ MaskRasterLayer *layers;
+ unsigned int layers_tot;
+
+ /* 2d bounds (to quickly skip bucket lookup) */
+ rctf bounds;
+};
+
+/* --------------------------------------------------------------------- */
+/* alloc / free functions */
+/* --------------------------------------------------------------------- */
+
+MaskRasterHandle *BLI_maskrasterize_handle_new(void)
+{
+ MaskRasterHandle *mr_handle;
+
+ mr_handle = MEM_callocN(sizeof(MaskRasterHandle),
STRINGIFY(MaskRasterHandle));
+
+ return mr_handle;
+}
+
+void BLI_maskrasterize_handle_free(MaskRasterHandle *mr_handle)
+{
+ const unsigned int layers_tot = mr_handle->layers_tot;
+ unsigned int i;
+ MaskRasterLayer *layer = mr_handle->layers;
+
+ /* raycast vars */
+ for (i = 0; i < layers_tot; i++, layer++) {
+
+ if (layer->face_array) {
+ MEM_freeN(layer->face_array);
+ }
+
+ if (layer->face_coords) {
+ MEM_freeN(layer->face_coords);
+ }
+
+ if (layer->buckets_face) {
+ const unsigned int bucket_tot = layer->buckets_x *
layer->buckets_y;
+ unsigned int bucket_index;
+ for (bucket_index = 0; bucket_index < bucket_tot;
bucket_index++) {
+ unsigned int *face_index =
layer->buckets_face[bucket_index];
+ if (face_index) {
+ MEM_freeN(face_index);
+ }
+ }
+
+ MEM_freeN(layer->buckets_face);
+ }
+ }
+
+ MEM_freeN(mr_handle->layers);
+ MEM_freeN(mr_handle);
+}
+
+
+void maskrasterize_spline_differentiate_point_outset(float
(*diff_feather_points)[2], float (*diff_points)[2],
+ const unsigned int
tot_diff_point, const float ofs,
+ const short do_test)
+{
+ unsigned int k_prev = tot_diff_point - 2;
+ unsigned int k_curr = tot_diff_point - 1;
+ unsigned int k_next = 0;
+
+ unsigned int k;
+
+ float d_prev[2];
+ float d_next[2];
+ float d[2];
+
+ const float *co_prev;
+ const float *co_curr;
+ const float *co_next;
+
+ const float ofs_squared = ofs * ofs;
+
+ co_prev = diff_points[k_prev];
+ co_curr = diff_points[k_curr];
+ co_next = diff_points[k_next];
+
+ /* precalc */
+ sub_v2_v2v2(d_prev, co_prev, co_curr);
+ normalize_v2(d_prev);
+
+ for (k = 0; k < tot_diff_point; k++) {
+
+ /* co_prev = diff_points[k_prev]; */ /* precalc */
+ co_curr = diff_points[k_curr];
+ co_next = diff_points[k_next];
+
+ /* sub_v2_v2v2(d_prev, co_prev, co_curr); */ /* precalc */
+ sub_v2_v2v2(d_next, co_curr, co_next);
+
+ /* normalize_v2(d_prev); */ /* precalc */
+ normalize_v2(d_next);
+
+ if ((do_test == FALSE) ||
+ (len_squared_v2v2(diff_feather_points[k], diff_points[k]) <
ofs_squared))
+ {
+
+ add_v2_v2v2(d, d_prev, d_next);
+
+ normalize_v2(d);
+
+ diff_feather_points[k][0] = diff_points[k][0] + ( d[1]
* ofs);
+ diff_feather_points[k][1] = diff_points[k][1] + (-d[0]
* ofs);
+ }
+
+ /* use next iter */
+ copy_v2_v2(d_prev, d_next);
+
+ /* k_prev = k_curr; */ /* precalc */
+ k_curr = k_next;
+ k_next++;
+ }
+}
+
+/* this function is not exact, sometimes it retuns false positives,
+ * the main point of it is to clear out _almost_ all bucket/face
non-intersections,
+ * returning TRUE in corner cases is ok but missing an intersection is NOT.
+ *
+ * method used
+ * - check if the center of the buckets bounding box is intersecting the face
+ * - if not get the max radius to a corner of the bucket and see how close we
+ * are to any of the triangle edges.
+ */
+static int layer_bucket_isect_test(MaskRasterLayer *layer, unsigned int
face_index,
+ const unsigned int bucket_x, const unsigned
int bucket_y,
+ const float bucket_size_x, const float
bucket_size_y,
+ const float bucket_max_rad_squared)
+{
+ unsigned int *face = layer->face_array[face_index];
+ float (*cos)[3] = layer->face_coords;
+
+ const float xmin = layer->bounds.xmin + (bucket_size_x * bucket_x);
+ const float ymin = layer->bounds.ymin + (bucket_size_y * bucket_y);
+ const float xmax = xmin + bucket_size_x;
+ const float ymax = ymin + bucket_size_y;
+
+ const float cent[2] = {(xmin + xmax) * 0.5f,
+ (ymin + ymax) * 0.5f};
+
+ if (face[3] == TRI_VERT) {
+ const float *v1 = cos[face[0]];
+ const float *v2 = cos[face[1]];
+ const float *v3 = cos[face[2]];
+
+ if (isect_point_tri_v2(cent, v1, v2, v3)) {
+ return TRUE;
+ }
+ else {
+ if ((dist_squared_to_line_segment_v2(cent, v1, v2) <
bucket_max_rad_squared) ||
+ (dist_squared_to_line_segment_v2(cent, v2, v3)
< bucket_max_rad_squared) ||
+ (dist_squared_to_line_segment_v2(cent, v3, v1)
< bucket_max_rad_squared))
+ {
+ return TRUE;
+ }
+ else {
+ // printf("skip tri\n");
+ return FALSE;
+ }
+ }
+
+ }
+ else {
+ const float *v1 = cos[face[0]];
+ const float *v2 = cos[face[1]];
+ const float *v3 = cos[face[2]];
+ const float *v4 = cos[face[3]];
+
+ if (isect_point_tri_v2(cent, v1, v2, v3)) {
+ return TRUE;
+ }
+ else if (isect_point_tri_v2(cent, v1, v3, v4)) {
+ return TRUE;
+ }
+ else {
+ if ((dist_squared_to_line_segment_v2(cent, v1, v2) <
bucket_max_rad_squared) ||
+ (dist_squared_to_line_segment_v2(cent, v2, v3) <
bucket_max_rad_squared) ||
+ (dist_squared_to_line_segment_v2(cent, v3, v4) <
bucket_max_rad_squared) ||
+ (dist_squared_to_line_segment_v2(cent, v4, v1) <
bucket_max_rad_squared))
+ {
+ return TRUE;
+ }
+ else {
+ // printf("skip quad\n");
+ return FALSE;
+ }
+ }
+ }
+}
+
+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__);
+
+ const float bucket_dim_x = layer->bounds.xmax - layer->bounds.xmin;
+ const float bucket_dim_y = layer->bounds.ymax - layer->bounds.ymin;
+
+ layer->buckets_x = (bucket_dim_x / pixel_size) /
(float)BUCKET_PIXELS_PER_CELL;
+ layer->buckets_y = (bucket_dim_y / pixel_size) /
(float)BUCKET_PIXELS_PER_CELL;
+
+// printf("bucket size %ux%u\n", layer->buckets_x,
layer->buckets_y);
+
+ CLAMP(layer->buckets_x, 8, 512);
+ CLAMP(layer->buckets_y, 8, 512);
+
+ layer->buckets_xy_scalar[0] = (1.0f / (bucket_dim_x + FLT_EPSILON)) *
layer->buckets_x;
+ layer->buckets_xy_scalar[1] = (1.0f / (bucket_dim_y + FLT_EPSILON)) *
layer->buckets_y;
+
+ {
+ /* width and height of each bucket */
+ const float bucket_size_x = (bucket_dim_x + FLT_EPSILON) /
layer->buckets_x;
+ const float bucket_size_y = (bucket_dim_y + FLT_EPSILON) /
layer->buckets_y;
+ const float bucket_max_rad = (maxf(bucket_size_x,
bucket_size_y) * M_SQRT2) + FLT_EPSILON;
+ const float bucket_max_rad_squared = bucket_max_rad *
bucket_max_rad;
+
+ unsigned int *face = &layer->face_array[0][0];
@@ Diff output truncated at 10240 characters. @@
_______________________________________________
Bf-blender-cvs mailing list
[email protected]
http://lists.blender.org/mailman/listinfo/bf-blender-cvs
