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Get closer to vector format

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This commit is contained in:
Eric Fischer 2014-09-15 17:33:54 -07:00
parent f54af30a40
commit 1dcfca9d51
1 changed files with 26 additions and 1 deletions
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27
geojson.c
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@ -18,9 +18,12 @@
#define GEOM_MULTILINESTRING 3 /* array of arrays of arrays of positions */
#define GEOM_POLYGON 4 /* array of arrays of arrays of positions */
#define GEOM_MULTIPOLYGON 5 /* array of arrays of arrays of arrays of positions */
#define GEOM_TYPES 6
#define MB_GEOM_POINT 1
#define MB_GEOM_LINE 2
#define MB_GEOM_POLYGON 3
char *geometry_names[GEOM_TYPES] = {
"Point",
"MultiPoint",
@ -39,6 +42,15 @@ int geometry_within[GEOM_TYPES] = {
GEOM_POLYGON, /* multipolygon */
};
int mb_geometry[GEOM_TYPES] = {
MB_GEOM_POINT,
MB_GEOM_POINT,
MB_GEOM_LINE,
MB_GEOM_LINE,
MB_GEOM_POLYGON,
MB_GEOM_POLYGON,
};
/* XXX */
#define META_STRING JSON_STRING
#define META_INTEGER JSON_NUMBER
@ -55,6 +67,14 @@ void parse_geometry(int t, json_object *j) {
printf("[");
int i;
for (i = 0; i < j->length; i++) {
if (within == GEOM_POINT) {
if (i == 0) {
printf(" moveto ");
} else {
printf(" lineto ");
}
}
parse_geometry(within, j->array[i]);
}
printf("]");
@ -65,6 +85,10 @@ void parse_geometry(int t, json_object *j) {
fprintf(stderr, "malformed point");
}
}
if (t == GEOM_POLYGON) {
printf(" closepath ");
}
}
void read_json(FILE *f) {
@ -152,6 +176,7 @@ void read_json(FILE *f) {
}
}
printf("%d: ", mb_geometry[t]);
parse_geometry(t, coordinates);
printf("\n");
}