ED_node.h

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/*
 * 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) 2009 Blender Foundation.
 * All rights reserved.
 */
 
#pragma once
 
#ifdef __cplusplus
extern "C" {
#endif
 
struct ID;
struct Main;
struct Scene;
struct ScrArea;
struct Tex;
struct View2D;
struct bContext;
struct bNode;
struct bNodeSocket;
struct bNodeSocketType;
struct bNodeTree;
struct bNodeTreeType;
struct bNodeType;
 
typedef enum {
  NODE_TOP = 1,
  NODE_BOTTOM = 2,
  NODE_LEFT = 4,
  NODE_RIGHT = 8,
} NodeBorder;
 
#define NODE_GRID_STEPS 5
 
/* space_node.c */
 
void ED_node_cursor_location_get(const struct SpaceNode *snode, float value[2]);
void ED_node_cursor_location_set(struct SpaceNode *snode, const float value[2]);
 
int ED_node_tree_path_length(struct SpaceNode *snode);
void ED_node_tree_path_get(struct SpaceNode *snode, char *value);
void ED_node_tree_path_get_fixedbuf(struct SpaceNode *snode, char *value, int max_length);
 
void ED_node_tree_start(struct SpaceNode *snode,
                        struct bNodeTree *ntree,
                        struct ID *id,
                        struct ID *from);
void ED_node_tree_push(struct SpaceNode *snode, struct bNodeTree *ntree, struct bNode *gnode);
void ED_node_tree_pop(struct SpaceNode *snode);
int ED_node_tree_depth(struct SpaceNode *snode);
struct bNodeTree *ED_node_tree_get(struct SpaceNode *snode, int level);
 
void ED_node_set_active_viewer_key(struct SpaceNode *snode);
 
/* drawnode.c */
void ED_node_init_butfuncs(void);
void ED_init_custom_node_type(struct bNodeType *ntype);
void ED_init_custom_node_socket_type(struct bNodeSocketType *stype);
void ED_init_standard_node_socket_type(struct bNodeSocketType *stype);
void ED_init_node_socket_type_virtual(struct bNodeSocketType *stype);
void ED_node_sample_set(const float col[4]);
void ED_node_draw_snap(
    struct View2D *v2d, const float cent[2], float size, NodeBorder border, unsigned int pos);
 
/* node_draw.cc */
void ED_node_socket_draw(struct bNodeSocket *sock,
                         const struct rcti *rect,
                         const float color[4],
                         float scale);
void ED_node_tree_update(const struct bContext *C);
void ED_node_tag_update_id(struct ID *id);
void ED_node_tag_update_nodetree(struct Main *bmain, struct bNodeTree *ntree, struct bNode *node);
void ED_node_sort(struct bNodeTree *ntree);
float ED_node_grid_size(void);
 
/* node_relationships.c */
void ED_node_link_intersect_test(struct ScrArea *area, int test);
void ED_node_link_insert(struct Main *bmain, struct ScrArea *area);
 
/* node_edit.c */
void ED_node_set_tree_type(struct SpaceNode *snode, struct bNodeTreeType *typeinfo);
bool ED_node_is_compositor(struct SpaceNode *snode);
bool ED_node_is_shader(struct SpaceNode *snode);
bool ED_node_is_texture(struct SpaceNode *snode);
bool ED_node_is_geometry(struct SpaceNode *snode);
 
void ED_node_shader_default(const struct bContext *C, struct ID *id);
void ED_node_composit_default(const struct bContext *C, struct Scene *scene);
void ED_node_texture_default(const struct bContext *C, struct Tex *tex);
bool ED_node_select_check(ListBase *lb);
void ED_node_select_all(ListBase *lb, int action);
void ED_node_post_apply_transform(struct bContext *C, struct bNodeTree *ntree);
void ED_node_set_active(struct Main *bmain,
                        struct bNodeTree *ntree,
                        struct bNode *node,
                        bool *r_active_texture_changed);
 
void ED_node_composite_job(const struct bContext *C,
                           struct bNodeTree *nodetree,
                           struct Scene *scene_owner);
 
/* node_ops.c */
void ED_operatormacros_node(void);
 
/* node_view.c */
bool ED_space_node_get_position(struct Main *bmain,
                                struct SpaceNode *snode,
                                struct ARegion *region,
                                const int mval[2],
                                float fpos[2]);
bool ED_space_node_color_sample(struct Main *bmain,
                                struct SpaceNode *snode,
                                struct ARegion *region,
                                const int mval[2],
                                float r_col[3]);
 
#ifdef __cplusplus
}
#endif