diff options
Diffstat (limited to 'source/blender/blenkernel/intern/linestyle.c')
| -rw-r--r-- | source/blender/blenkernel/intern/linestyle.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/source/blender/blenkernel/intern/linestyle.c b/source/blender/blenkernel/intern/linestyle.c new file mode 100644 index 00000000000..f6f8378cebc --- /dev/null +++ b/source/blender/blenkernel/intern/linestyle.c @@ -0,0 +1,397 @@ +/* linestyle.c + * + * $Id$ + * + * ***** 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 ***** + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "MEM_guardedalloc.h" + +#include "DNA_material_types.h" /* for ramp blend */ +#include "DNA_texture_types.h" + +#include "BKE_global.h" +#include "BKE_library.h" +#include "BKE_linestyle.h" +#include "BKE_main.h" +#include "BKE_texture.h" +#include "BKE_colortools.h" +#include "BKE_animsys.h" + +#include "BLI_blenlib.h" + +static char *modifier_name[LS_MODIFIER_NUM] = { + NULL, + "Along Stroke", + "Distance from Camera", + "Distance from Object"}; + +static void default_linestyle_settings(FreestyleLineStyle *linestyle) +{ + linestyle->panel = LS_PANEL_COLOR; + linestyle->r = linestyle->g = linestyle->b = 0.0; + linestyle->alpha = 1.0; + linestyle->thickness = 1.0; + + linestyle->color_modifiers.first = linestyle->color_modifiers.last = NULL; + linestyle->alpha_modifiers.first = linestyle->alpha_modifiers.last = NULL; + linestyle->thickness_modifiers.first = linestyle->thickness_modifiers.last = NULL; + + linestyle->caps = LS_CAPS_BUTT; +} + +FreestyleLineStyle *FRS_new_linestyle(char *name, struct Main *main) +{ + FreestyleLineStyle *linestyle; + + if (!main) + main = G.main; + + linestyle = (FreestyleLineStyle *)alloc_libblock(&main->linestyle, ID_LS, name); + + default_linestyle_settings(linestyle); + + return linestyle; +} + +void FRS_free_linestyle(FreestyleLineStyle *linestyle) +{ + LineStyleModifier *m; + + BKE_free_animdata(&linestyle->id); + while ((m = (LineStyleModifier *)linestyle->color_modifiers.first)) + FRS_remove_linestyle_color_modifier(linestyle, m); + while ((m = (LineStyleModifier *)linestyle->alpha_modifiers.first)) + FRS_remove_linestyle_alpha_modifier(linestyle, m); + while ((m = (LineStyleModifier *)linestyle->thickness_modifiers.first)) + FRS_remove_linestyle_thickness_modifier(linestyle, m); +} + +static LineStyleModifier *new_modifier(int type, size_t size) +{ + LineStyleModifier *m; + + m = (LineStyleModifier *)MEM_callocN(size, "line style modifier"); + if (m) { + m->type = type; + strcpy(m->name, modifier_name[type]); + 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], '.', BLI_STRUCT_OFFSET(LineStyleModifier, name), sizeof(m->name)); +} + +int FRS_add_linestyle_color_modifier(FreestyleLineStyle *linestyle, int type) +{ + static size_t modifier_size[LS_MODIFIER_NUM] = { + 0, + sizeof(LineStyleColorModifier_AlongStroke), + sizeof(LineStyleColorModifier_DistanceFromCamera), + sizeof(LineStyleColorModifier_DistanceFromObject) + }; + LineStyleModifier *m; + + if (type <= 0 || type >= LS_MODIFIER_NUM || modifier_size[type] == 0) + return -1; + m = new_modifier(type, modifier_size[type]); + if (!m) + return -1; + switch (type) { + case LS_MODIFIER_ALONG_STROKE: + ((LineStyleColorModifier_AlongStroke *)m)->color_ramp = add_colorband(1); + ((LineStyleColorModifier_AlongStroke *)m)->blend = MA_RAMP_BLEND; + break; + case LS_MODIFIER_DISTANCE_FROM_CAMERA: + ((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp = add_colorband(1); + ((LineStyleColorModifier_DistanceFromCamera *)m)->blend = MA_RAMP_BLEND; + ((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)->blend = MA_RAMP_BLEND; + ((LineStyleColorModifier_DistanceFromObject *)m)->range_min = 0.0f; + ((LineStyleColorModifier_DistanceFromObject *)m)->range_max = 10000.0f; + break; + default: + return -1; /* unknown modifier type */ + } + add_to_modifier_list(&linestyle->color_modifiers, m); + + return 0; +} + +void FRS_remove_linestyle_color_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m) +{ + 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; + } + BLI_freelinkN(&linestyle->color_modifiers, m); +} + +int FRS_add_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, int type) +{ + static size_t modifier_size[LS_MODIFIER_NUM] = { + 0, + sizeof(LineStyleAlphaModifier_AlongStroke), + sizeof(LineStyleAlphaModifier_DistanceFromCamera), + sizeof(LineStyleAlphaModifier_DistanceFromObject) + }; + LineStyleModifier *m; + + if (type <= 0 || type >= LS_MODIFIER_NUM || modifier_size[type] == 0) + return -1; + m = new_modifier(type, modifier_size[type]); + if (!m) + return -1; + switch (type) { + case LS_MODIFIER_ALONG_STROKE: + ((LineStyleAlphaModifier_AlongStroke *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleAlphaModifier_AlongStroke *)m)->blend = LS_VALUE_BLEND; + break; + case LS_MODIFIER_DISTANCE_FROM_CAMERA: + ((LineStyleAlphaModifier_DistanceFromCamera *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleAlphaModifier_DistanceFromCamera *)m)->blend = LS_VALUE_BLEND; + ((LineStyleAlphaModifier_DistanceFromCamera *)m)->range_min = 0.0f; + ((LineStyleAlphaModifier_DistanceFromCamera *)m)->range_max = 10000.0f; + break; + case LS_MODIFIER_DISTANCE_FROM_OBJECT: + ((LineStyleAlphaModifier_DistanceFromObject *)m)->target = NULL; + ((LineStyleAlphaModifier_DistanceFromObject *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleAlphaModifier_DistanceFromObject *)m)->blend = LS_VALUE_BLEND; + ((LineStyleAlphaModifier_DistanceFromObject *)m)->range_min = 0.0f; + ((LineStyleAlphaModifier_DistanceFromObject *)m)->range_max = 10000.0f; + break; + default: + return -1; /* unknown modifier type */ + } + add_to_modifier_list(&linestyle->alpha_modifiers, m); + + return 0; +} + +void FRS_remove_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m) +{ + 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; + } + BLI_freelinkN(&linestyle->alpha_modifiers, m); +} + +int FRS_add_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, int type) +{ + static size_t modifier_size[LS_MODIFIER_NUM] = { + 0, + sizeof(LineStyleThicknessModifier_AlongStroke), + sizeof(LineStyleThicknessModifier_DistanceFromCamera), + sizeof(LineStyleThicknessModifier_DistanceFromObject) + }; + LineStyleModifier *m; + + if (type <= 0 || type >= LS_MODIFIER_NUM || modifier_size[type] == 0) + return -1; + m = new_modifier(type, modifier_size[type]); + if (!m) + return -1; + switch (type) { + case LS_MODIFIER_ALONG_STROKE: + ((LineStyleThicknessModifier_AlongStroke *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleThicknessModifier_AlongStroke *)m)->blend = LS_VALUE_BLEND; + ((LineStyleThicknessModifier_AlongStroke *)m)->value_min = 0.0f; + ((LineStyleThicknessModifier_AlongStroke *)m)->value_max = 1.0f; + break; + case LS_MODIFIER_DISTANCE_FROM_CAMERA: + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->blend = LS_VALUE_BLEND; + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->range_min = 0.0f; + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->range_max = 1000.0f; + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->value_min = 0.0f; + ((LineStyleThicknessModifier_DistanceFromCamera *)m)->value_max = 1.0f; + break; + case LS_MODIFIER_DISTANCE_FROM_OBJECT: + ((LineStyleThicknessModifier_DistanceFromObject *)m)->target = NULL; + ((LineStyleThicknessModifier_DistanceFromObject *)m)->curve = curvemapping_add(1, 0.0f, 0.0f, 1.0f, 1.0f); + ((LineStyleThicknessModifier_DistanceFromObject *)m)->blend = LS_VALUE_BLEND; + ((LineStyleThicknessModifier_DistanceFromObject *)m)->range_min = 0.0f; + ((LineStyleThicknessModifier_DistanceFromObject *)m)->range_max = 1000.0f; + ((LineStyleThicknessModifier_DistanceFromObject *)m)->value_min = 0.0f; + ((LineStyleThicknessModifier_DistanceFromObject *)m)->value_max = 1.0f; + break; + default: + return -1; /* unknown modifier type */ + } + add_to_modifier_list(&linestyle->thickness_modifiers, m); + + return 0; +} + +void FRS_remove_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *m) +{ + 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; + } + BLI_freelinkN(&linestyle->thickness_modifiers, m); +} + +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 FRS_move_linestyle_color_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction) +{ + move_modifier(&linestyle->color_modifiers, modifier, direction); +} + +void FRS_move_linestyle_alpha_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction) +{ + move_modifier(&linestyle->alpha_modifiers, modifier, direction); +} + +void FRS_move_linestyle_thickness_modifier(FreestyleLineStyle *linestyle, LineStyleModifier *modifier, int direction) +{ + move_modifier(&linestyle->thickness_modifiers, modifier, direction); +} + +void FRS_list_modifier_color_ramps(FreestyleLineStyle *linestyle, ListBase *listbase) +{ + LineStyleModifier *m; + ColorBand *color_ramp; + LinkData *link; + + listbase->first = listbase->last = NULL; + 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; + default: + continue; + } + link = (LinkData *) MEM_callocN( sizeof(LinkData), "link to color ramp"); + link->data = color_ramp; + BLI_addtail(listbase, link); + } +} + +char *FRS_path_from_ID_to_color_ramp(FreestyleLineStyle *linestyle, ColorBand *color_ramp) +{ + LineStyleModifier *m; + + 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) + goto found; + break; + case LS_MODIFIER_DISTANCE_FROM_CAMERA: + if (color_ramp == ((LineStyleColorModifier_DistanceFromCamera *)m)->color_ramp) + goto found; + break; + case LS_MODIFIER_DISTANCE_FROM_OBJECT: + if (color_ramp == ((LineStyleColorModifier_DistanceFromObject *)m)->color_ramp) + goto found; + break; + } + } + printf("FRS_path_from_ID_to_color_ramp: No color ramps correspond to the given pointer.\n"); + return NULL; + +found: + return BLI_sprintfN("color_modifiers[\"%s\"].color_ramp", m->name); +} + +void FRS_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; + } + } + } +} |