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test2/source/blender/blenkernel/intern/linestyle.c
Tamito Kajiyama 7915d7277a Per-material line color settings for Freestyle. 
New properties 'line_color' and 'line_priority' are added to Material ID data blocks.

The 'line_color' property allows users to specify a per-material line color that can be
used as a Freestyle line color through Material color modifiers of line style settings.

The new line color property is intended to provide a solution for line color
stylization when a proper Freestyle support for Cycles is implemented (likely
as part of the upcoming Blender 2.72 release; see Patch D632).  Materials in
Cycles are usually set up using shader nodes, and Freestyle won't be capable
of retrieving colors and other properties from node-based materials any soon.

The new line color property of materials addresses this foreseen limitation by
providing artists with an intuitive alternative mean to specify line colors on a
per-material basis independently from node trees.

The 'line_priority' property gives users a way to control line colors at material
boundaries.  When a line is drawn along a feature edge at material boundaries,
one of the two materials on both sides of the edge has to be picked up to
determine the line color.  So far there was no way to control this selection
(which was in effect at random).  Now the material with a higher line color
priority will be selected.

The new per-material line settings are shown in the new Freestyle Line tab in
the Material context of the Properties window (only when Freestyle is enabled).
2014-07-07 16:19:51 +09:00

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/*
* ***** 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) 2010 Blender Foundation.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/blenkernel/intern/linestyle.c
* \ingroup bke
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "DNA_material_types.h" /* for ramp blend */
#include "DNA_texture_types.h"
#include "BLI_blenlib.h"
#include "BLI_math.h"
#include "BLI_utildefines.h"
#include "BKE_global.h"
#include "BKE_library.h"
#include "BKE_linestyle.h"
#include "BKE_node.h"
#include "BKE_texture.h"
#include "BKE_colortools.h"
#include "BKE_animsys.h"
static const char *modifier_name[LS_MODIFIER_NUM] = {
NULL,
"Along Stroke",
"Distance from Camera",
"Distance from Object",
"Material",
"Sampling",
"Bezier Curve",
"Sinus Displacement",
"Spatial Noise",
"Perlin Noise 1D",
"Perlin Noise 2D",
"Backbone Stretcher",
"Tip Remover",
"Calligraphy",
"Polygonalization",
"Guiding Lines",
"Blueprint",
"2D Offset",
"2D Transform",
};
static void default_linestyle_settings(FreestyleLineStyle *linestyle)
{
linestyle->panel = LS_PANEL_STROKES;
linestyle->r = linestyle->g = linestyle->b = 0.0f;
linestyle->alpha = 1.0f;
linestyle->thickness = 3.0f;
linestyle->thickness_position = LS_THICKNESS_CENTER;
linestyle->thickness_ratio = 0.5f;
linestyle->flag = LS_SAME_OBJECT | LS_NO_SORTING | LS_TEXTURE;
linestyle->chaining = LS_CHAINING_PLAIN;
linestyle->rounds = 3;
linestyle->min_angle = DEG2RADF(0.0f);
linestyle->max_angle = DEG2RADF(0.0f);
linestyle->min_length = 0.0f;
linestyle->max_length = 10000.0f;
linestyle->split_length = 100;
linestyle->sort_key = LS_SORT_KEY_DISTANCE_FROM_CAMERA;
linestyle->integration_type = LS_INTEGRATION_MEAN;
linestyle->texstep = 1.0f;
linestyle->pr_texture = TEX_PR_TEXTURE;
BLI_listbase_clear(&linestyle->color_modifiers);
BLI_listbase_clear(&linestyle->alpha_modifiers);
BLI_listbase_clear(&linestyle->thickness_modifiers);
BLI_listbase_clear(&linestyle->geometry_modifiers);
BKE_add_linestyle_geometry_modifier(linestyle, NULL, LS_MODIFIER_SAMPLING);
linestyle->caps = LS_CAPS_BUTT;
}
FreestyleLineStyle *BKE_new_linestyle(const char *name, struct Main *main)
{
FreestyleLineStyle *linestyle;
if (!main)
main = G.main;
linestyle = (FreestyleLineStyle *)BKE_libblock_alloc(main, ID_LS, name);
default_linestyle_settings(linestyle);
return linestyle;
}
void BKE_free_linestyle(FreestyleLineStyle *linestyle)
{
LineStyleModifier *m;
MTex *mtex;
int a;
for (a = 0; a < MAX_MTEX; a++) {
mtex = linestyle->mtex[a];
if (mtex && mtex->tex) mtex->tex->id.us--;
if (mtex) MEM_freeN(mtex);
}
if (linestyle->nodetree) {
ntreeFreeTree(linestyle->nodetree);
MEM_freeN(linestyle->nodetree);
}
BKE_free_animdata(&linestyle->id);
while ((m = (LineStyleModifier *)linestyle->color_modifiers.first))
BKE_remove_linestyle_color_modifier(linestyle, m);
while ((m = (LineStyleModifier *)linestyle->alpha_modifiers.first))
BKE_remove_linestyle_alpha_modifier(linestyle, m);
while ((m = (LineStyleModifier *)linestyle->thickness_modifiers.first))
BKE_remove_linestyle_thickness_modifier(linestyle, m);
while ((m = (LineStyleModifier *)linestyle->geometry_modifiers.first))
BKE_remove_linestyle_geometry_modifier(linestyle, m);
}
FreestyleLineStyle *BKE_copy_linestyle(FreestyleLineStyle *linestyle)
{
FreestyleLineStyle *new_linestyle;
LineStyleModifier *m;
int a;
new_linestyle = BKE_new_linestyle(linestyle->id.name + 2, NULL);
BKE_free_linestyle(new_linestyle);
for (a = 0; a < MAX_MTEX; a++) {
if (linestyle->mtex[a]) {
new_linestyle->mtex[a] = MEM_mallocN(sizeof(MTex), "BKE_copy_linestyle");
memcpy(new_linestyle->mtex[a], linestyle->mtex[a], sizeof(MTex));
id_us_plus((ID *)new_linestyle->mtex[a]->tex);
}
}
if (linestyle->nodetree) {
linestyle->nodetree = ntreeCopyTree(linestyle->nodetree);
}
new_linestyle->r = linestyle->r;
new_linestyle->g = linestyle->g;
new_linestyle->b = linestyle->b;
new_linestyle->alpha = linestyle->alpha;
new_linestyle->thickness = linestyle->thickness;
new_linestyle->thickness_position = linestyle->thickness_position;
new_linestyle->thickness_ratio = linestyle->thickness_ratio;
new_linestyle->flag = linestyle->flag;
new_linestyle->caps = linestyle->caps;
new_linestyle->chaining = linestyle->chaining;
new_linestyle->rounds = linestyle->rounds;
new_linestyle->split_length = linestyle->split_length;
new_linestyle->min_angle = linestyle->min_angle;
new_linestyle->max_angle = linestyle->max_angle;
new_linestyle->min_length = linestyle->min_length;
new_linestyle->max_length = linestyle->max_length;
new_linestyle->split_dash1 = linestyle->split_dash1;
new_linestyle->split_gap1 = linestyle->split_gap1;
new_linestyle->split_dash2 = linestyle->split_dash2;
new_linestyle->split_gap2 = linestyle->split_gap2;
new_linestyle->split_dash3 = linestyle->split_dash3;
new_linestyle->split_gap3 = linestyle->split_gap3;
new_linestyle->dash1 = linestyle->dash1;
new_linestyle->gap1 = linestyle->gap1;
new_linestyle->dash2 = linestyle->dash2;
new_linestyle->gap2 = linestyle->gap2;
new_linestyle->dash3 = linestyle->dash3;
new_linestyle->gap3 = linestyle->gap3;
new_linestyle->panel = linestyle->panel;
new_linestyle->texstep = linestyle->texstep;
new_linestyle->pr_texture = linestyle->pr_texture;
for (m = (LineStyleModifier *)linestyle->color_modifiers.first; m; m = m->next)
BKE_copy_linestyle_color_modifier(new_linestyle, m);
for (m = (LineStyleModifier *)linestyle->alpha_modifiers.first; m; m = m->next)
BKE_copy_linestyle_alpha_modifier(new_linestyle, m);
for (m = (LineStyleModifier *)linestyle->thickness_modifiers.first; m; m = m->next)
BKE_copy_linestyle_thickness_modifier(new_linestyle, m);
for (m = (LineStyleModifier *)linestyle->geometry_modifiers.first; m; m = m->next)
BKE_copy_linestyle_geometry_modifier(new_linestyle, m);
return new_linestyle;
}
static LineStyleModifier *new_modifier(const char *name, int type, size_t size)
{
LineStyleModifier *m;
if (!name) {
name = modifier_name[type];
}
m = (LineStyleModifier *)MEM_callocN(size, "line style modifier");
m->type = type;
BLI_strncpy(m->name, name, sizeof(m->name));
m->influence = 1.0f;
m->flags = LS_MODIFIER_ENABLED | LS_MODIFIER_EXPANDED;
return m;
}
static void add_to_modifier_list(ListBase *lb, LineStyleModifier *m)
{
BLI_addtail(lb, (void *)m);
BLI_uniquename(lb, m, modifier_name[m->type], '.', offsetof(LineStyleModifier, name), sizeof(m->name));
}
static LineStyleModifier *alloc_color_modifier(const char *name, int type)
{
size_t size;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
size = sizeof(LineStyleColorModifier_AlongStroke);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
size = sizeof(LineStyleColorModifier_DistanceFromCamera);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
size = sizeof(LineStyleColorModifier_DistanceFromObject);
break;
case LS_MODIFIER_MATERIAL:
size = sizeof(LineStyleColorModifier_Material);
break;
default:
return NULL; /* unknown modifier type */
}
return new_modifier(name, type, size);
}
LineStyleModifier *BKE_add_linestyle_color_modifier(FreestyleLineStyle *linestyle, const char *name, int type)
{
LineStyleModifier *m;
m = alloc_color_modifier(name, type);
m->blend = MA_RAMP_BLEND;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
((LineStyleColorModifier_AlongStroke *)m)->color_ramp = add_colorband(1);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp = add_colorband(1);
((LineStyleColorModifier_DistanceFromCamera *)m)->range_min = 0.0f;
((LineStyleColorModifier_DistanceFromCamera *)m)->range_max = 10000.0f;
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
((LineStyleColorModifier_DistanceFromObject *)m)->target = NULL;
((LineStyleColorModifier_DistanceFromObject *)m)->color_ramp = add_colorband(1);
((LineStyleColorModifier_DistanceFromObject *)m)->range_min = 0.0f;
((LineStyleColorModifier_DistanceFromObject *)m)->range_max = 10000.0f;
break;
case LS_MODIFIER_MATERIAL:
((LineStyleColorModifier_Material *)m)->color_ramp = add_colorband(1);
((LineStyleColorModifier_Material *)m)->mat_attr = LS_MODIFIER_MATERIAL_LINE;
break;
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->color_modifiers, m);
return m;
}
LineStyleModifier *BKE_copy_linestyle_color_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
LineStyleModifier *new_m;
new_m = alloc_color_modifier(m->name, m->type);
new_m->influence = m->influence;
new_m->flags = m->flags;
new_m->blend = m->blend;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
{
LineStyleColorModifier_AlongStroke *p = (LineStyleColorModifier_AlongStroke *)m;
LineStyleColorModifier_AlongStroke *q = (LineStyleColorModifier_AlongStroke *)new_m;
q->color_ramp = MEM_dupallocN(p->color_ramp);
break;
}
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
{
LineStyleColorModifier_DistanceFromCamera *p = (LineStyleColorModifier_DistanceFromCamera *)m;
LineStyleColorModifier_DistanceFromCamera *q = (LineStyleColorModifier_DistanceFromCamera *)new_m;
q->color_ramp = MEM_dupallocN(p->color_ramp);
q->range_min = p->range_min;
q->range_max = p->range_max;
break;
}
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
{
LineStyleColorModifier_DistanceFromObject *p = (LineStyleColorModifier_DistanceFromObject *)m;
LineStyleColorModifier_DistanceFromObject *q = (LineStyleColorModifier_DistanceFromObject *)new_m;
if (p->target)
p->target->id.us++;
q->target = p->target;
q->color_ramp = MEM_dupallocN(p->color_ramp);
q->range_min = p->range_min;
q->range_max = p->range_max;
break;
}
case LS_MODIFIER_MATERIAL:
{
LineStyleColorModifier_Material *p = (LineStyleColorModifier_Material *)m;
LineStyleColorModifier_Material *q = (LineStyleColorModifier_Material *)new_m;
q->color_ramp = MEM_dupallocN(p->color_ramp);
q->flags = p->flags;
q->mat_attr = p->mat_attr;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->color_modifiers, new_m);
return new_m;
}
int BKE_remove_linestyle_color_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
if (BLI_findindex(&linestyle->color_modifiers, m) == -1)
return -1;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
MEM_freeN(((LineStyleColorModifier_AlongStroke *)m)->color_ramp);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
MEM_freeN(((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
MEM_freeN(((LineStyleColorModifier_DistanceFromObject *)m)->color_ramp);
break;
case LS_MODIFIER_MATERIAL:
MEM_freeN(((LineStyleColorModifier_Material *)m)->color_ramp);
break;
}
BLI_freelinkN(&linestyle->color_modifiers, m);
return 0;
}
static LineStyleModifier *alloc_alpha_modifier(const char *name, int type)
{
size_t size;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
size = sizeof(LineStyleAlphaModifier_AlongStroke);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
size = sizeof(LineStyleAlphaModifier_DistanceFromCamera);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
size = sizeof(LineStyleAlphaModifier_DistanceFromObject);
break;
case LS_MODIFIER_MATERIAL:
size = sizeof(LineStyleAlphaModifier_Material);
break;
default:
return NULL; /* unknown modifier type */
}
return new_modifier(name, type, size);
}
LineStyleModifier *BKE_add_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, const char *name, int type)
{
LineStyleModifier *m;
m = alloc_alpha_modifier(name, type);
m->blend = LS_VALUE_BLEND;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
{
LineStyleAlphaModifier_AlongStroke *p = (LineStyleAlphaModifier_AlongStroke *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
break;
}
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
{
LineStyleAlphaModifier_DistanceFromCamera *p = (LineStyleAlphaModifier_DistanceFromCamera *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->range_min = 0.0f;
p->range_max = 10000.0f;
break;
}
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
{
LineStyleAlphaModifier_DistanceFromObject *p = (LineStyleAlphaModifier_DistanceFromObject *)m;
p->target = NULL;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->range_min = 0.0f;
p->range_max = 10000.0f;
break;
}
case LS_MODIFIER_MATERIAL:
{
LineStyleAlphaModifier_Material *p = (LineStyleAlphaModifier_Material *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->mat_attr = LS_MODIFIER_MATERIAL_ALPHA;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->alpha_modifiers, m);
return m;
}
LineStyleModifier *BKE_copy_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
LineStyleModifier *new_m;
new_m = alloc_alpha_modifier(m->name, m->type);
new_m->influence = m->influence;
new_m->flags = m->flags;
new_m->blend = m->blend;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
{
LineStyleAlphaModifier_AlongStroke *p = (LineStyleAlphaModifier_AlongStroke *)m;
LineStyleAlphaModifier_AlongStroke *q = (LineStyleAlphaModifier_AlongStroke *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
break;
}
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
{
LineStyleAlphaModifier_DistanceFromCamera *p = (LineStyleAlphaModifier_DistanceFromCamera *)m;
LineStyleAlphaModifier_DistanceFromCamera *q = (LineStyleAlphaModifier_DistanceFromCamera *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->range_min = p->range_min;
q->range_max = p->range_max;
break;
}
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
{
LineStyleAlphaModifier_DistanceFromObject *p = (LineStyleAlphaModifier_DistanceFromObject *)m;
LineStyleAlphaModifier_DistanceFromObject *q = (LineStyleAlphaModifier_DistanceFromObject *)new_m;
if (p->target)
p->target->id.us++;
q->target = p->target;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->range_min = p->range_min;
q->range_max = p->range_max;
break;
}
case LS_MODIFIER_MATERIAL:
{
LineStyleAlphaModifier_Material *p = (LineStyleAlphaModifier_Material *)m;
LineStyleAlphaModifier_Material *q = (LineStyleAlphaModifier_Material *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->mat_attr = p->mat_attr;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->alpha_modifiers, new_m);
return new_m;
}
int BKE_remove_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
if (BLI_findindex(&linestyle->alpha_modifiers, m) == -1)
return -1;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
curvemapping_free(((LineStyleAlphaModifier_AlongStroke *)m)->curve);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
curvemapping_free(((LineStyleAlphaModifier_DistanceFromCamera *)m)->curve);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
curvemapping_free(((LineStyleAlphaModifier_DistanceFromObject *)m)->curve);
break;
case LS_MODIFIER_MATERIAL:
curvemapping_free(((LineStyleAlphaModifier_Material *)m)->curve);
break;
}
BLI_freelinkN(&linestyle->alpha_modifiers, m);
return 0;
}
static LineStyleModifier *alloc_thickness_modifier(const char *name, int type)
{
size_t size;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
size = sizeof(LineStyleThicknessModifier_AlongStroke);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
size = sizeof(LineStyleThicknessModifier_DistanceFromCamera);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
size = sizeof(LineStyleThicknessModifier_DistanceFromObject);
break;
case LS_MODIFIER_MATERIAL:
size = sizeof(LineStyleThicknessModifier_Material);
break;
case LS_MODIFIER_CALLIGRAPHY:
size = sizeof(LineStyleThicknessModifier_Calligraphy);
break;
default:
return NULL; /* unknown modifier type */
}
return new_modifier(name, type, size);
}
LineStyleModifier *BKE_add_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, const char *name, int type)
{
LineStyleModifier *m;
m = alloc_thickness_modifier(name, type);
m->blend = LS_VALUE_BLEND;
switch (type) {
case LS_MODIFIER_ALONG_STROKE:
{
LineStyleThicknessModifier_AlongStroke *p = (LineStyleThicknessModifier_AlongStroke *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->value_min = 0.0f;
p->value_max = 1.0f;
break;
}
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
{
LineStyleThicknessModifier_DistanceFromCamera *p = (LineStyleThicknessModifier_DistanceFromCamera *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->range_min = 0.0f;
p->range_max = 1000.0f;
p->value_min = 0.0f;
p->value_max = 1.0f;
break;
}
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
{
LineStyleThicknessModifier_DistanceFromObject *p = (LineStyleThicknessModifier_DistanceFromObject *)m;
p->target = NULL;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->range_min = 0.0f;
p->range_max = 1000.0f;
p->value_min = 0.0f;
p->value_max = 1.0f;
break;
}
case LS_MODIFIER_MATERIAL:
{
LineStyleThicknessModifier_Material *p = (LineStyleThicknessModifier_Material *)m;
p->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f);
p->mat_attr = LS_MODIFIER_MATERIAL_LINE;
p->value_min = 0.0f;
p->value_max = 1.0f;
break;
}
case LS_MODIFIER_CALLIGRAPHY:
{
LineStyleThicknessModifier_Calligraphy *p = (LineStyleThicknessModifier_Calligraphy *)m;
p->min_thickness = 1.0f;
p->max_thickness = 10.0f;
p->orientation = DEG2RADF(60.0f);
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->thickness_modifiers, m);
return m;
}
LineStyleModifier *BKE_copy_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
LineStyleModifier *new_m;
new_m = alloc_thickness_modifier(m->name, m->type);
if (!new_m)
return NULL;
new_m->influence = m->influence;
new_m->flags = m->flags;
new_m->blend = m->blend;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
{
LineStyleThicknessModifier_AlongStroke *p = (LineStyleThicknessModifier_AlongStroke *)m;
LineStyleThicknessModifier_AlongStroke *q = (LineStyleThicknessModifier_AlongStroke *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->value_min = p->value_min;
q->value_max = p->value_max;
break;
}
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
{
LineStyleThicknessModifier_DistanceFromCamera *p = (LineStyleThicknessModifier_DistanceFromCamera *)m;
LineStyleThicknessModifier_DistanceFromCamera *q = (LineStyleThicknessModifier_DistanceFromCamera *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->range_min = p->range_min;
q->range_max = p->range_max;
q->value_min = p->value_min;
q->value_max = p->value_max;
break;
}
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
{
LineStyleThicknessModifier_DistanceFromObject *p = (LineStyleThicknessModifier_DistanceFromObject *)m;
LineStyleThicknessModifier_DistanceFromObject *q = (LineStyleThicknessModifier_DistanceFromObject *)new_m;
if (p->target)
p->target->id.us++;
q->target = p->target;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->range_min = p->range_min;
q->range_max = p->range_max;
q->value_min = p->value_min;
q->value_max = p->value_max;
break;
}
case LS_MODIFIER_MATERIAL:
{
LineStyleThicknessModifier_Material *p = (LineStyleThicknessModifier_Material *)m;
LineStyleThicknessModifier_Material *q = (LineStyleThicknessModifier_Material *)new_m;
q->curve = curvemapping_copy(p->curve);
q->flags = p->flags;
q->mat_attr = p->mat_attr;
q->value_min = p->value_min;
q->value_max = p->value_max;
break;
}
case LS_MODIFIER_CALLIGRAPHY:
{
LineStyleThicknessModifier_Calligraphy *p = (LineStyleThicknessModifier_Calligraphy *)m;
LineStyleThicknessModifier_Calligraphy *q = (LineStyleThicknessModifier_Calligraphy *)new_m;
q->min_thickness = p->min_thickness;
q->max_thickness = p->max_thickness;
q->orientation = p->orientation;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->thickness_modifiers, new_m);
return new_m;
}
int BKE_remove_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
if (BLI_findindex(&linestyle->thickness_modifiers, m) == -1)
return -1;
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
curvemapping_free(((LineStyleThicknessModifier_AlongStroke *)m)->curve);
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
curvemapping_free(((LineStyleThicknessModifier_DistanceFromCamera *)m)->curve);
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
curvemapping_free(((LineStyleThicknessModifier_DistanceFromObject *)m)->curve);
break;
case LS_MODIFIER_MATERIAL:
curvemapping_free(((LineStyleThicknessModifier_Material *)m)->curve);
break;
case LS_MODIFIER_CALLIGRAPHY:
break;
}
BLI_freelinkN(&linestyle->thickness_modifiers, m);
return 0;
}
static LineStyleModifier *alloc_geometry_modifier(const char *name, int type)
{
size_t size;
switch (type) {
case LS_MODIFIER_SAMPLING:
size = sizeof(LineStyleGeometryModifier_Sampling);
break;
case LS_MODIFIER_BEZIER_CURVE:
size = sizeof(LineStyleGeometryModifier_BezierCurve);
break;
case LS_MODIFIER_SINUS_DISPLACEMENT:
size = sizeof(LineStyleGeometryModifier_SinusDisplacement);
break;
case LS_MODIFIER_SPATIAL_NOISE:
size = sizeof(LineStyleGeometryModifier_SpatialNoise);
break;
case LS_MODIFIER_PERLIN_NOISE_1D:
size = sizeof(LineStyleGeometryModifier_PerlinNoise1D);
break;
case LS_MODIFIER_PERLIN_NOISE_2D:
size = sizeof(LineStyleGeometryModifier_PerlinNoise2D);
break;
case LS_MODIFIER_BACKBONE_STRETCHER:
size = sizeof(LineStyleGeometryModifier_BackboneStretcher);
break;
case LS_MODIFIER_TIP_REMOVER:
size = sizeof(LineStyleGeometryModifier_TipRemover);
break;
case LS_MODIFIER_POLYGONIZATION:
size = sizeof(LineStyleGeometryModifier_Polygonalization);
break;
case LS_MODIFIER_GUIDING_LINES:
size = sizeof(LineStyleGeometryModifier_GuidingLines);
break;
case LS_MODIFIER_BLUEPRINT:
size = sizeof(LineStyleGeometryModifier_Blueprint);
break;
case LS_MODIFIER_2D_OFFSET:
size = sizeof(LineStyleGeometryModifier_2DOffset);
break;
case LS_MODIFIER_2D_TRANSFORM:
size = sizeof(LineStyleGeometryModifier_2DTransform);
break;
default:
return NULL; /* unknown modifier type */
}
return new_modifier(name, type, size);
}
LineStyleModifier *BKE_add_linestyle_geometry_modifier(FreestyleLineStyle *linestyle, const char *name, int type)
{
LineStyleModifier *m;
m = alloc_geometry_modifier(name, type);
switch (type) {
case LS_MODIFIER_SAMPLING:
{
LineStyleGeometryModifier_Sampling *p = (LineStyleGeometryModifier_Sampling *)m;
p->sampling = 10.0f;
break;
}
case LS_MODIFIER_BEZIER_CURVE:
{
LineStyleGeometryModifier_BezierCurve *p = (LineStyleGeometryModifier_BezierCurve *)m;
p->error = 10.0f;
break;
}
case LS_MODIFIER_SINUS_DISPLACEMENT:
{
LineStyleGeometryModifier_SinusDisplacement *p = (LineStyleGeometryModifier_SinusDisplacement *)m;
p->wavelength = 20.0f;
p->amplitude = 5.0f;
p->phase = 0.0f;
break;
}
case LS_MODIFIER_SPATIAL_NOISE:
{
LineStyleGeometryModifier_SpatialNoise *p = (LineStyleGeometryModifier_SpatialNoise *)m;
p->amplitude = 5.0f;
p->scale = 20.0f;
p->octaves = 4;
p->flags = LS_MODIFIER_SPATIAL_NOISE_SMOOTH | LS_MODIFIER_SPATIAL_NOISE_PURERANDOM;
break;
}
case LS_MODIFIER_PERLIN_NOISE_1D:
{
LineStyleGeometryModifier_PerlinNoise1D *p = (LineStyleGeometryModifier_PerlinNoise1D *)m;
p->frequency = 10.0f;
p->amplitude = 10.0f;
p->octaves = 4;
p->angle = DEG2RADF(45.0f);
break;
}
case LS_MODIFIER_PERLIN_NOISE_2D:
{
LineStyleGeometryModifier_PerlinNoise2D *p = (LineStyleGeometryModifier_PerlinNoise2D *)m;
p->frequency = 10.0f;
p->amplitude = 10.0f;
p->octaves = 4;
p->angle = DEG2RADF(45.0f);
break;
}
case LS_MODIFIER_BACKBONE_STRETCHER:
{
LineStyleGeometryModifier_BackboneStretcher *p = (LineStyleGeometryModifier_BackboneStretcher *)m;
p->backbone_length = 10.0f;
break;
}
case LS_MODIFIER_TIP_REMOVER:
{
LineStyleGeometryModifier_TipRemover *p = (LineStyleGeometryModifier_TipRemover *)m;
p->tip_length = 10.0f;
break;
}
case LS_MODIFIER_POLYGONIZATION:
{
LineStyleGeometryModifier_Polygonalization *p = (LineStyleGeometryModifier_Polygonalization *)m;
p->error = 10.0f;
break;
}
case LS_MODIFIER_GUIDING_LINES:
{
LineStyleGeometryModifier_GuidingLines *p = (LineStyleGeometryModifier_GuidingLines *)m;
p->offset = 0.0f;
break;
}
case LS_MODIFIER_BLUEPRINT:
{
LineStyleGeometryModifier_Blueprint *p = (LineStyleGeometryModifier_Blueprint *)m;
p->flags = LS_MODIFIER_BLUEPRINT_CIRCLES;
p->rounds = 1;
p->backbone_length = 10.0f;
p->random_radius = 3;
p->random_center = 5;
p->random_backbone = 5;
break;
}
case LS_MODIFIER_2D_OFFSET:
{
LineStyleGeometryModifier_2DOffset *p = (LineStyleGeometryModifier_2DOffset *)m;
p->start = 0.0f;
p->end = 0.0f;
p->x = 0.0f;
p->y = 0.0f;
break;
}
case LS_MODIFIER_2D_TRANSFORM:
{
LineStyleGeometryModifier_2DTransform *p = (LineStyleGeometryModifier_2DTransform *)m;
p->pivot = LS_MODIFIER_2D_TRANSFORM_PIVOT_CENTER;
p->scale_x = 1.0f;
p->scale_y = 1.0f;
p->angle = DEG2RADF(0.0f);
p->pivot_u = 0.5f;
p->pivot_x = 0.0f;
p->pivot_y = 0.0f;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->geometry_modifiers, m);
return m;
}
LineStyleModifier *BKE_copy_linestyle_geometry_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
LineStyleModifier *new_m;
new_m = alloc_geometry_modifier(m->name, m->type);
new_m->flags = m->flags;
switch (m->type) {
case LS_MODIFIER_SAMPLING:
{
LineStyleGeometryModifier_Sampling *p = (LineStyleGeometryModifier_Sampling *)m;
LineStyleGeometryModifier_Sampling *q = (LineStyleGeometryModifier_Sampling *)new_m;
q->sampling = p->sampling;
break;
}
case LS_MODIFIER_BEZIER_CURVE:
{
LineStyleGeometryModifier_BezierCurve *p = (LineStyleGeometryModifier_BezierCurve *)m;
LineStyleGeometryModifier_BezierCurve *q = (LineStyleGeometryModifier_BezierCurve *)new_m;
q->error = p->error;
break;
}
case LS_MODIFIER_SINUS_DISPLACEMENT:
{
LineStyleGeometryModifier_SinusDisplacement *p = (LineStyleGeometryModifier_SinusDisplacement *)m;
LineStyleGeometryModifier_SinusDisplacement *q = (LineStyleGeometryModifier_SinusDisplacement *)new_m;
q->wavelength = p->wavelength;
q->amplitude = p->amplitude;
q->phase = p->phase;
break;
}
case LS_MODIFIER_SPATIAL_NOISE:
{
LineStyleGeometryModifier_SpatialNoise *p = (LineStyleGeometryModifier_SpatialNoise *)m;
LineStyleGeometryModifier_SpatialNoise *q = (LineStyleGeometryModifier_SpatialNoise *)new_m;
q->amplitude = p->amplitude;
q->scale = p->scale;
q->octaves = p->octaves;
q->flags = p->flags;
break;
}
case LS_MODIFIER_PERLIN_NOISE_1D:
{
LineStyleGeometryModifier_PerlinNoise1D *p = (LineStyleGeometryModifier_PerlinNoise1D *)m;
LineStyleGeometryModifier_PerlinNoise1D *q = (LineStyleGeometryModifier_PerlinNoise1D *)new_m;
q->frequency = p->frequency;
q->amplitude = p->amplitude;
q->angle = p->angle;
q->octaves = p->octaves;
q->seed = p->seed;
break;
}
case LS_MODIFIER_PERLIN_NOISE_2D:
{
LineStyleGeometryModifier_PerlinNoise2D *p = (LineStyleGeometryModifier_PerlinNoise2D *)m;
LineStyleGeometryModifier_PerlinNoise2D *q = (LineStyleGeometryModifier_PerlinNoise2D *)new_m;
q->frequency = p->frequency;
q->amplitude = p->amplitude;
q->angle = p->angle;
q->octaves = p->octaves;
q->seed = p->seed;
break;
}
case LS_MODIFIER_BACKBONE_STRETCHER:
{
LineStyleGeometryModifier_BackboneStretcher *p = (LineStyleGeometryModifier_BackboneStretcher *)m;
LineStyleGeometryModifier_BackboneStretcher *q = (LineStyleGeometryModifier_BackboneStretcher *)new_m;
q->backbone_length = p->backbone_length;
break;
}
case LS_MODIFIER_TIP_REMOVER:
{
LineStyleGeometryModifier_TipRemover *p = (LineStyleGeometryModifier_TipRemover *)m;
LineStyleGeometryModifier_TipRemover *q = (LineStyleGeometryModifier_TipRemover *)new_m;
q->tip_length = p->tip_length;
break;
}
case LS_MODIFIER_POLYGONIZATION:
{
LineStyleGeometryModifier_Polygonalization *p = (LineStyleGeometryModifier_Polygonalization *)m;
LineStyleGeometryModifier_Polygonalization *q = (LineStyleGeometryModifier_Polygonalization *)new_m;
q->error = p->error;
break;
}
case LS_MODIFIER_GUIDING_LINES:
{
LineStyleGeometryModifier_GuidingLines *p = (LineStyleGeometryModifier_GuidingLines *)m;
LineStyleGeometryModifier_GuidingLines *q = (LineStyleGeometryModifier_GuidingLines *)new_m;
q->offset = p->offset;
break;
}
case LS_MODIFIER_BLUEPRINT:
{
LineStyleGeometryModifier_Blueprint *p = (LineStyleGeometryModifier_Blueprint *)m;
LineStyleGeometryModifier_Blueprint *q = (LineStyleGeometryModifier_Blueprint *)new_m;
q->flags = p->flags;
q->rounds = p->rounds;
q->backbone_length = p->backbone_length;
q->random_radius = p->random_radius;
q->random_center = p->random_center;
q->random_backbone = p->random_backbone;
break;
}
case LS_MODIFIER_2D_OFFSET:
{
LineStyleGeometryModifier_2DOffset *p = (LineStyleGeometryModifier_2DOffset *)m;
LineStyleGeometryModifier_2DOffset *q = (LineStyleGeometryModifier_2DOffset *)new_m;
q->start = p->start;
q->end = p->end;
q->x = p->x;
q->y = p->y;
break;
}
case LS_MODIFIER_2D_TRANSFORM:
{
LineStyleGeometryModifier_2DTransform *p = (LineStyleGeometryModifier_2DTransform *)m;
LineStyleGeometryModifier_2DTransform *q = (LineStyleGeometryModifier_2DTransform *)new_m;
q->pivot = p->pivot;
q->scale_x = p->scale_x;
q->scale_y = p->scale_y;
q->angle = p->angle;
q->pivot_u = p->pivot_u;
q->pivot_x = p->pivot_x;
q->pivot_y = p->pivot_y;
break;
}
default:
return NULL; /* unknown modifier type */
}
add_to_modifier_list(&linestyle->geometry_modifiers, new_m);
return new_m;
}
int BKE_remove_linestyle_geometry_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m)
{
if (BLI_findindex(&linestyle->geometry_modifiers, m) == -1)
return -1;
BLI_freelinkN(&linestyle->geometry_modifiers, m);
return 0;
}
static void move_modifier(ListBase *lb, LineStyleModifier *modifier, int direction)
{
BLI_remlink(lb, modifier);
if (direction > 0)
BLI_insertlinkbefore(lb, modifier->prev, modifier);
else
BLI_insertlinkafter(lb, modifier->next, modifier);
}
void BKE_move_linestyle_color_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction)
{
move_modifier(&linestyle->color_modifiers, modifier, direction);
}
void BKE_move_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction)
{
move_modifier(&linestyle->alpha_modifiers, modifier, direction);
}
void BKE_move_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction)
{
move_modifier(&linestyle->thickness_modifiers, modifier, direction);
}
void BKE_move_linestyle_geometry_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction)
{
move_modifier(&linestyle->geometry_modifiers, modifier, direction);
}
void BKE_list_modifier_color_ramps(FreestyleLineStyle *linestyle, ListBase *listbase)
{
LineStyleModifier *m;
ColorBand *color_ramp;
LinkData *link;
BLI_listbase_clear(listbase);
for (m = (LineStyleModifier *)linestyle->color_modifiers.first; m; m = m->next) {
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
color_ramp = ((LineStyleColorModifier_AlongStroke *)m)->color_ramp;
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
color_ramp = ((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp;
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
color_ramp = ((LineStyleColorModifier_DistanceFromObject *)m)->color_ramp;
break;
case LS_MODIFIER_MATERIAL:
color_ramp = ((LineStyleColorModifier_Material *)m)->color_ramp;
break;
default:
continue;
}
link = (LinkData *) MEM_callocN(sizeof(LinkData), "link to color ramp");
link->data = color_ramp;
BLI_addtail(listbase, link);
}
}
char *BKE_path_from_ID_to_color_ramp(FreestyleLineStyle *linestyle, ColorBand *color_ramp)
{
LineStyleModifier *m;
bool found = false;
for (m = (LineStyleModifier *)linestyle->color_modifiers.first; m; m = m->next) {
switch (m->type) {
case LS_MODIFIER_ALONG_STROKE:
if (color_ramp == ((LineStyleColorModifier_AlongStroke *)m)->color_ramp)
found = true;
break;
case LS_MODIFIER_DISTANCE_FROM_CAMERA:
if (color_ramp == ((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp)
found = true;
break;
case LS_MODIFIER_DISTANCE_FROM_OBJECT:
if (color_ramp == ((LineStyleColorModifier_DistanceFromObject *)m)->color_ramp)
found = true;
break;
case LS_MODIFIER_MATERIAL:
if (color_ramp == ((LineStyleColorModifier_Material *)m)->color_ramp)
found = true;
break;
}
if (found) {
char name_esc[sizeof(m->name) * 2];
BLI_strescape(name_esc, m->name, sizeof(name_esc));
return BLI_sprintfN("color_modifiers[\"%s\"].color_ramp", name_esc);
}
}
printf("BKE_path_from_ID_to_color_ramp: No color ramps correspond to the given pointer.\n");
return NULL;
}
void BKE_unlink_linestyle_target_object(FreestyleLineStyle *linestyle, struct Object *ob)
{
LineStyleModifier *m;
for (m = (LineStyleModifier *)linestyle->color_modifiers.first; m; m = m->next) {
if (m->type == LS_MODIFIER_DISTANCE_FROM_OBJECT) {
if (((LineStyleColorModifier_DistanceFromObject *)m)->target == ob) {
((LineStyleColorModifier_DistanceFromObject *)m)->target = NULL;
}
}
}
for (m = (LineStyleModifier *)linestyle->alpha_modifiers.first; m; m = m->next) {
if (m->type == LS_MODIFIER_DISTANCE_FROM_OBJECT) {
if (((LineStyleAlphaModifier_DistanceFromObject *)m)->target == ob) {
((LineStyleAlphaModifier_DistanceFromObject *)m)->target = NULL;
}
}
}
for (m = (LineStyleModifier *)linestyle->thickness_modifiers.first; m; m = m->next) {
if (m->type == LS_MODIFIER_DISTANCE_FROM_OBJECT) {
if (((LineStyleThicknessModifier_DistanceFromObject *)m)->target == ob) {
((LineStyleThicknessModifier_DistanceFromObject *)m)->target = NULL;
}
}
}
}
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