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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.
*/
/** \file
* \ingroup editors
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
struct ID;
struct Main;
struct Scene;
struct ScrArea;
struct SpaceNode;
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_STEP_SIZE 10
#define NODE_EDGE_PAN_INSIDE_PAD 2
#define NODE_EDGE_PAN_OUTSIDE_PAD 0 /* Disable clamping for node panning, use whole screen. */
#define NODE_EDGE_PAN_SPEED_RAMP 1
#define NODE_EDGE_PAN_MAX_SPEED 26 /* In UI units per second, slower than default. */
#define NODE_EDGE_PAN_DELAY 0.5f
#define NODE_EDGE_PAN_ZOOM_INFLUENCE 0.5f
/* 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_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 */
/**
* Draw a single node socket at default size.
* \note this is only called from external code, internally #node_socket_draw_nested() is used for
* optimized drawing of multiple/all sockets of a node.
*/
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);
/**
* Sort nodes by selection: unselected nodes first, then selected,
* then the active node at the very end. Relative order is kept intact.
*/
void ED_node_sort(struct bNodeTree *ntree);
float ED_node_grid_size(void);
/* node_relationships.c */
/**
* Test == 0, clear all intersect flags.
*/
void ED_node_link_intersect_test(struct ScrArea *area, int test);
/**
* Assumes link with #NODE_LINKFLAG_HILITE set.
*/
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);
/**
* Assumes nothing being done in ntree yet, sets the default in/out node.
* Called from shading buttons or header.
*/
void ED_node_shader_default(const struct bContext *C, struct ID *id);
/**
* Assumes nothing being done in ntree yet, sets the default in/out node.
* Called from shading buttons or header.
*/
void ED_node_composit_default(const struct bContext *C, struct Scene *scene);
/**
* Assumes nothing being done in ntree yet, sets the default in/out node.
* Called from shading buttons or header.
*/
void ED_node_texture_default(const struct bContext *C, struct Tex *tex);
bool ED_node_select_check(const 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 SpaceNode *snode,
struct bNodeTree *ntree,
struct bNode *node,
bool *r_active_texture_changed);
/**
* \param scene_owner: is the owner of the job,
* we don't use it for anything else currently so could also be a void pointer,
* but for now keep it an 'Scene' for consistency.
*
* \note only call from spaces `refresh` callbacks, not direct! - use with care.
*/
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 */
/**
* Returns mouse position in image space.
*/
bool ED_space_node_get_position(struct Main *bmain,
struct SpaceNode *snode,
struct ARegion *region,
const int mval[2],
float fpos[2]);
/**
* Returns color in linear space, matching #ED_space_image_color_sample().
* And here we've got recursion in the comments tips...
*/
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
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