[Bf-blender-cvs] [a49b749385c] soc-2019-npr: Merge remote-tracking branch 'origin/master' into soc-2019-npr
YimingWu
noreply at git.blender.org
Mon Aug 5 02:29:25 CEST 2019
Commit: a49b749385ca62ad0a64a090d54002f2dbfa63ed
Author: YimingWu
Date: Mon Aug 5 08:24:30 2019 +0800
Branches: soc-2019-npr
https://developer.blender.org/rBa49b749385ca62ad0a64a090d54002f2dbfa63ed
Merge remote-tracking branch 'origin/master' into soc-2019-npr
===================================================================
===================================================================
diff --cc source/blender/blenkernel/intern/gpencil.c
index 7fbb63f1b12,731e9aff926..3f5ec06f001
--- a/source/blender/blenkernel/intern/gpencil.c
+++ b/source/blender/blenkernel/intern/gpencil.c
@@@ -2663,315 -2057,84 +2663,397 @@@ bool BKE_gpencil_close_stroke(bGPDstrok
return true;
}
+/* Helper function to check materials with same color */
+static int gpencil_check_same_material_color(Object *ob_gp, float color[4], Material *r_mat)
+{
+ Material *ma = NULL;
+ float color_cu[4];
+ linearrgb_to_srgb_v3_v3(color_cu, color);
+ float hsv1[4];
+ rgb_to_hsv_v(color_cu, hsv1);
+ hsv1[3] = color[3];
+
+ for (int i = 1; i <= ob_gp->totcol; i++) {
+ ma = give_current_material(ob_gp, i);
+ MaterialGPencilStyle *gp_style = ma->gp_style;
+ /* Check color with small tolerance (better in HSV). */
+ float hsv2[4];
+ rgb_to_hsv_v(gp_style->fill_rgba, hsv2);
+ hsv2[3] = gp_style->fill_rgba[3];
+ if (compare_v4v4(hsv1, hsv2, 0.01f)) {
+ r_mat = ma;
+ return i - 1;
+ }
+ }
+
+ r_mat = NULL;
+ return -1;
+}
+
+/* Add gpencil material using curve material as base */
+static Material *gpencil_add_from_curve_material(Main *bmain,
+ Object *ob_gp,
+ float cu_color[4],
+ const bool gpencil_lines,
+ const bool fill,
+ int *r_idx)
+{
+ Material *mat_gp = BKE_gpencil_object_material_new(
+ bmain, ob_gp, (fill) ? "Material" : "Unassigned", r_idx);
+ MaterialGPencilStyle *gp_style = mat_gp->gp_style;
+
+ /* Stroke color. */
+ if (gpencil_lines) {
+ ARRAY_SET_ITEMS(gp_style->stroke_rgba, 0.0f, 0.0f, 0.0f, 1.0f);
+ }
+ else {
+ linearrgb_to_srgb_v4(gp_style->stroke_rgba, cu_color);
+ }
+
+ /* Fill color. */
+ linearrgb_to_srgb_v4(gp_style->fill_rgba, cu_color);
+ /* Fill is false if the original curva hasn't material assigned. */
+ if (fill) {
+ gp_style->flag |= GP_STYLE_FILL_SHOW;
+ }
+
+ return mat_gp;
+}
+
+/* Helper function to create new stroke section */
+static void gpencil_add_new_points(bGPDstroke *gps,
+ float *coord_array,
+ float pressure,
+ int init,
+ int totpoints,
+ float init_co[3],
+ bool last)
+{
+ for (int i = 0; i < totpoints; i++) {
+ bGPDspoint *pt = &gps->points[i + init];
+ copy_v3_v3(&pt->x, &coord_array[3 * i]);
+ /* Be sure the last point is not on top of the first point of the curve or
+ * the close of the stroke will produce glitches. */
+ if ((last) && (i > 0) && (i == totpoints - 1)) {
+ float dist = len_v3v3(init_co, &pt->x);
+ if (dist < 0.1f) {
+ /* Interpolate between previous point and current to back slightly. */
+ bGPDspoint *pt_prev = &gps->points[i + init - 1];
+ interp_v3_v3v3(&pt->x, &pt_prev->x, &pt->x, 0.95f);
+ }
+ }
+
+ pt->pressure = pressure;
+ pt->strength = 1.0f;
+ }
+}
+
+/* Helper function to get the first collection that includes the object. */
+static Collection *gpencil_get_parent_collection(Scene *scene, Object *ob)
+{
+ Collection *mycol = NULL;
+ FOREACH_SCENE_COLLECTION_BEGIN (scene, collection) {
+ for (CollectionObject *cob = collection->gobject.first; cob; cob = cob->next) {
+ if ((mycol == NULL) && (cob->ob == ob)) {
+ mycol = collection;
+ }
+ }
+ }
+ FOREACH_SCENE_COLLECTION_END;
+
+ return mycol;
+}
+
+/* Helper function to convert one spline to grease pencil stroke. */
+static void gpencil_convert_spline(Main *bmain,
+ Scene *scene,
+ Object *ob_gp,
+ Object *ob_cu,
+ const bool gpencil_lines,
+ const bool use_collections,
+ bGPDframe *gpf,
+ Nurb *nu)
+{
+ Curve *cu = (Curve *)ob_cu->data;
+ bool cyclic = true;
+
+ /* Create Stroke. */
+ bGPDstroke *gps = MEM_callocN(sizeof(bGPDstroke), "bGPDstroke");
+ gps->thickness = 1.0f;
+ gps->gradient_f = 1.0f;
+ ARRAY_SET_ITEMS(gps->gradient_s, 1.0f, 1.0f);
+ ARRAY_SET_ITEMS(gps->caps, GP_STROKE_CAP_ROUND, GP_STROKE_CAP_ROUND);
+ gps->inittime = 0.0f;
+
+ /* Enable recalculation flag by default. */
+ gps->flag |= GP_STROKE_RECALC_GEOMETRY;
+ gps->flag &= ~GP_STROKE_SELECT;
+ gps->flag |= GP_STROKE_3DSPACE;
+
+ gps->mat_nr = 0;
+ /* Count total points
+ * The total of points must consider that last point of each segment is equal to the first
+ * point of next segment.
+ */
+ int totpoints = 0;
+ int segments = 0;
+ int resolu = nu->resolu + 1;
+ segments = nu->pntsu;
+ if (((nu->flagu & CU_NURB_CYCLIC) == 0) || (nu->pntsu == 2)) {
+ segments--;
+ cyclic = false;
+ }
+ totpoints = (resolu * segments) - (segments - 1);
+
+ /* Allocate memory for storage points, but keep empty. */
+ gps->totpoints = totpoints;
+ gps->points = MEM_callocN(sizeof(bGPDspoint) * gps->totpoints, "gp_stroke_points");
+ /* Initialize triangle memory to dummy data. */
+ gps->tot_triangles = 0;
+ gps->triangles = NULL;
+
+ /* Materials
+ * Notice: The color of the material is the color of viewport and not the final shader color.
+ */
+ Material *mat_gp = NULL;
+ bool fill = true;
+ /* Check if grease pencil has a material with same color.*/
+ float color[4];
+ if ((cu->mat) && (*cu->mat)) {
+ Material *mat_cu = *cu->mat;
+ copy_v4_v4(color, &mat_cu->r);
+ }
+ else {
+ /* Pink (unassigned) */
+ zero_v4(color);
+ color[0] = 1.0f;
+ color[2] = 1.0f;
+ color[3] = 1.0f;
+ fill = false;
+ }
+
+ /* Special case: If the color was created by the SVG add-on and the name contains '_stroke' and
+ * there is only one color, the stroke must not be closed, fill to false and use for
+ * stroke the fill color.
+ */
+ bool only_stroke = false;
+ if (ob_cu->totcol == 1) {
+ Material *ma_stroke = give_current_material(ob_cu, 1);
+ if ((ma_stroke) && (strstr(ma_stroke->id.name, "_stroke") != NULL)) {
+ only_stroke = true;
+ }
+ }
+
+ int r_idx = gpencil_check_same_material_color(ob_gp, color, mat_gp);
+ if (r_idx < 0) {
+ Material *ma_stroke = NULL;
+ mat_gp = gpencil_add_from_curve_material(bmain, ob_gp, color, gpencil_lines, fill, &r_idx);
+ /* If object has more than 1 material, use second material for stroke color. */
+ if (ob_cu->totcol > 1) {
+ ma_stroke = give_current_material(ob_cu, 2);
+ linearrgb_to_srgb_v3_v3(mat_gp->gp_style->stroke_rgba, &ma_stroke->r);
+ mat_gp->gp_style->stroke_rgba[3] = ma_stroke->a;
+ }
+ else if (only_stroke) {
+ /* Also use the first color if the fill is none for stroke color. */
+ ma_stroke = give_current_material(ob_cu, 1);
+ linearrgb_to_srgb_v3_v3(mat_gp->gp_style->stroke_rgba, &ma_stroke->r);
+ mat_gp->gp_style->stroke_rgba[3] = ma_stroke->a;
+ /* set fill to off. */
+ mat_gp->gp_style->flag &= ~GP_STYLE_FILL_SHOW;
+ }
+ }
+ /* Assign material index to stroke. */
+ gps->mat_nr = r_idx;
+
+ /* Add stroke to frame.*/
+ BLI_addtail(&gpf->strokes, gps);
+
+ /* Read all segments of the curve. */
+ int init = 0;
+ resolu = nu->resolu + 1;
+ segments = nu->pntsu;
+ if (((nu->flagu & CU_NURB_CYCLIC) == 0) || (nu->pntsu == 2)) {
+ segments--;
+ }
+ /* Get all interpolated curve points of Beziert */
+ float init_co[3];
+ for (int s = 0; s < segments; s++) {
+ int inext = (s + 1) % nu->pntsu;
+ BezTriple *prevbezt = &nu->bezt[s];
+ BezTriple *bezt = &nu->bezt[inext];
+ bool last = (bool)(s == segments - 1);
+
+ float *coord_array = MEM_callocN((size_t)3 * resolu * sizeof(float), __func__);
+
+ for (int j = 0; j < 3; j++) {
+ BKE_curve_forward_diff_bezier(prevbezt->vec[1][j],
+ prevbezt->vec[2][j],
+ bezt->vec[0][j],
+ bezt->vec[1][j],
+ coord_array + j,
+ resolu - 1,
+ 3 * sizeof(float));
+ }
+ /* Save first point coordinates. */
+ if (s == 0) {
+ copy_v3_v3(init_co, &coord_array[0]);
+ }
+ /* Add points to the stroke */
+ gpencil_add_new_points(gps, coord_array, bezt->radius, init, resolu, init_co, last);
+ /* Free memory. */
+ MEM_SAFE_FREE(coord_array);
+
+ /* As the last point of segment is the first point of next segment, back one array
+ * element to avoid duplicated points on the same location.
+ */
+ init += resolu - 1;
+ }
+ /* Cyclic curve, close stroke. */
+ if ((cyclic) && (!only_stroke)) {
+ BKE_gpencil_close_stroke(gps);
+ }
+}
+
+/* Convert a curve object to grease pencil stroke.
+ *
+ * \param bmain: Main thread pointer
+ * \param scene: Original scene.
+ * \param ob_gp: Grease pencil object to add strokes.
+ * \param ob_cu: Curve to convert.
+ * \param gpencil_lines: Use lines for strokes.
+ * \param use_collections: Create layers using collection names.
+ */
+void BKE_gpencil_convert_curve(Main *bmain,
+ Scene *scene,
+ Object *ob_gp,
+ Object *ob_cu,
+ const bool gpencil_lines,
+ const bool use_collections)
+{
+ if (ELEM(NULL, ob_gp, ob_cu) || (ob_gp->type != OB_GPENCIL) || (ob_gp->data == NULL)) {
+ return;
+ }
+
+ Curve *cu = (Curve *)ob_cu->data;
+ bGPdata *gpd = (bGPdata *)ob_gp->data;
+ bGPDlayer *gpl = NULL;
+
+ /* If the curve is empty,
@@ Diff output truncated at 10240 characters. @@
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