ED_node_c.hh

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/* SPDX-FileCopyrightText: 2009 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
struct ARegion;
struct ID;
struct Main;
struct Scene;
struct SpaceNode;
struct Tex;
struct View2D;
struct bContext;
struct bNode;
struct bNodeTree;
namespace blender::bke {
struct bNodeTreeType;
struct bNodeType;
struct bNodeSocketType;
}  // namespace blender::bke
 
enum NodeBorder {
  NODE_TOP = 1,
  NODE_BOTTOM = 2,
  NODE_LEFT = 4,
  NODE_RIGHT = 8,
};
ENUM_OPERATORS(NodeBorder, NODE_RIGHT)
 
#define NODE_GRID_STEP_SIZE (20.0f * UI_SCALE_FAC) /* Based on the grid nodes snap to. */
#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
 
/* `clipboard.cc` */
 
void ED_node_clipboard_free();
 
/* `space_node.cc` */
 
void ED_node_cursor_location_get(const SpaceNode *snode, float value[2]);
void ED_node_cursor_location_set(SpaceNode *snode, const float value[2]);
 
int ED_node_tree_path_length(SpaceNode *snode);
void ED_node_tree_path_get(SpaceNode *snode, char *value);
 
void ED_node_tree_start(SpaceNode *snode, bNodeTree *ntree, ID *id, ID *from);
void ED_node_tree_push(SpaceNode *snode, bNodeTree *ntree, bNode *gnode);
void ED_node_tree_pop(SpaceNode *snode);
int ED_node_tree_depth(SpaceNode *snode);
bNodeTree *ED_node_tree_get(SpaceNode *snode, int level);
 
void ED_node_set_active_viewer_key(SpaceNode *snode);
 
/* `drawnode.cc` */
 
void ED_node_init_butfuncs();
void ED_init_custom_node_type(blender::bke::bNodeType *ntype);
void ED_init_custom_node_socket_type(blender::bke::bNodeSocketType *stype);
void ED_init_standard_node_socket_type(blender::bke::bNodeSocketType *stype);
void ED_init_node_socket_type_virtual(blender::bke::bNodeSocketType *stype);
void ED_node_sample_set(const float col[4]);
void ED_node_draw_snap(
    View2D *v2d, const float cent[2], float size, NodeBorder border, unsigned int pos);
void ED_node_type_draw_color(const char *idname, float *r_color);
 
/* `node_draw.cc` */
 
void ED_node_tree_update(const bContext *C);
void ED_node_tag_update_id(ID *id);
 
float ED_node_grid_size();
 
/* `node_edit.cc` */
 
void ED_node_set_tree_type(SpaceNode *snode, blender::bke::bNodeTreeType *typeinfo);
bool ED_node_is_compositor(const SpaceNode *snode);
bool ED_node_is_shader(SpaceNode *snode);
bool ED_node_is_texture(SpaceNode *snode);
bool ED_node_is_geometry(SpaceNode *snode);
bool ED_node_supports_preview(SpaceNode *snode);
 
void ED_node_shader_default(const bContext *C, ID *id);
void ED_node_composit_default(const bContext *C, Scene *scene);
void ED_node_texture_default(const bContext *C, Tex *tex);
void ED_node_post_apply_transform(bContext *C, bNodeTree *ntree);
void ED_node_set_active(
    Main *bmain, SpaceNode *snode, bNodeTree *ntree, bNode *node, bool *r_active_texture_changed);
 
void ED_node_tree_propagate_change(const bContext *C, Main *bmain, bNodeTree *ntree);
 
void ED_node_composite_job(const bContext *C, bNodeTree *nodetree, Scene *scene_owner);
 
/* `node_ops.cc` */
 
void ED_operatormacros_node();
 
/* `node_view.cc` */
 
bool ED_space_node_get_position(
    Main *bmain, SpaceNode *snode, ARegion *region, const int mval[2], float fpos[2]);
bool ED_space_node_color_sample(
    Main *bmain, SpaceNode *snode, ARegion *region, const int mval[2], float r_col[3]);