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#pragma once
#include <stddef.h>
#define TOPO_MOVETO(c) \
{ .cmd = {TOPO_MOVETO} }, \
{ .arg = {c} } \
#define TOPO_LINETO(c) \
{ .cmd = {TOPO_LINETO} }, \
{ .arg = {c} } \
#define TOPO_ARCTO(center, end) \
{ .cmd = {TOPO_ARCTO} }, \
{ .arg = {center} }, \
{ .arg = {end} } \
#define TOPO_END() \
{ .cmd = {TOPO_END} } \
enum topology_op {
TOPO_MOVETO,
TOPO_LINETO,
TOPO_ARCTO,
TOPO_END,
};
struct topology_cmd {
enum topology_op op;
};
struct topology_arg {
struct component *c;
};
struct topology_elem {
union {
struct topology_cmd cmd;
struct topology_arg arg;
};
};
struct topology {
struct topology_elem *elements;
size_t length;
size_t capacity;
};
void add_fragment(struct topology *topo, struct topology_elem *new);
void free_topology(struct topology *topo);
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