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-rw-r--r--web/svg.c256
1 files changed, 0 insertions, 256 deletions
diff --git a/web/svg.c b/web/svg.c
deleted file mode 100644
index 6744ac6..0000000
--- a/web/svg.c
+++ /dev/null
@@ -1,256 +0,0 @@
-#include "svg.h"
-
-#include "board.h"
-#include "comp.h"
-
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-
-#include <emscripten/emscripten.h>
-
-#define NUM_SECTORS 20
-#define SECTOR_WIDTH 18.0
-
-#define C_BLACK "#272b2c"
-#define C_WHITE "#fbe3ba"
-#define C_RED "#f6302f"
-#define C_GREEN "#22912d"
-#define C_WIRE "#909ca0"
-#define C_WIRE_INNER "#d8e6ec"
-
-struct elem {
- char *name;
- int n_attrs, size_attrs;
- char **attr_names, **attr_vals;
- char *content;
-};
-
-struct elem *elem_init(char *name, int size_attrs)
-{
- struct elem *e = malloc(sizeof(*e));
-
- size_t size = strlen(name) + 1;
- e->name = malloc(size * sizeof(*(e->name)));
- memcpy(e->name, name, size);
-
- e->n_attrs = 0;
- e->size_attrs = size_attrs;
- e->attr_names = malloc(size_attrs * sizeof(*(e->attr_names)));
- e->attr_vals = malloc(size_attrs * sizeof(*(e->attr_vals)));
- e->content = NULL;
-
- return e;
-}
-
-void elem_free(struct elem *e)
-{
- for(int i = 0; i < e->n_attrs; ++i) {
- free(e->attr_names[i]);
- free(e->attr_vals[i]);
- }
-
- free(e->content);
- free(e->attr_names);
- free(e->attr_vals);
- free(e->name);
- free(e);
-}
-
-void elem_add_attr(struct elem *e, char *name, char *val)
-{
- if (e->n_attrs == e->size_attrs) {
- e->size_attrs *= 2;
- e->attr_names = realloc(e->attr_names,
- e->size_attrs * sizeof(*(e->attr_names)));
- e->attr_vals = realloc(e->attr_vals,
- e->size_attrs * sizeof(*(e->attr_vals)));
- }
-
- size_t size = strlen(name) + 1;
- e->attr_names[e->n_attrs] = malloc(size);
- memcpy(e->attr_names[e->n_attrs], name, size);
-
- size = strlen(val) + 1;
- e->attr_vals[e->n_attrs] = malloc(size);
- memcpy(e->attr_vals[e->n_attrs++], val, size);
-}
-
-void elem_add_attr_double(struct elem *e, char *name, double val)
-{
- char str[512];
- sprintf(str, "%f", val);
- elem_add_attr(e, name, str);
-}
-
-// draws a ring if angles are equal
-struct elem *gen_arc(double a1, double a2, double r1, double r2, char *col)
-{
- struct ccoords cc1 = pol_to_cart((struct pcoords){
- .a = (a1 == a2 ? 1 : a2), .r = r1 });
- struct ccoords cc2 = pol_to_cart((struct pcoords){
- .a = (a1 == a2 ? 0 : a1), .r = r1 });
- struct ccoords cc3 = pol_to_cart((struct pcoords){
- .a = (a1 == a2 ? 0 : a1), .r = r2 });
- struct ccoords cc4 = pol_to_cart((struct pcoords){
- .a = (a1 == a2 ? 1 : a2), .r = r2 });
-
- struct elem *e = elem_init("path", 2);
- elem_add_attr(e, "fill", col);
-
- char buf[512];
- int buflen = 0;
- buflen += sprintf(buf + buflen, "M%f %f", cc1.x, cc1.y);
- buflen += sprintf(buf + buflen, "A%f %f 0 0 0 %f %f",
- r1, r1, cc2.x, cc2.y);
- if (a1 == a2)
- buflen += sprintf(buf + buflen, "A%f %f 0 1 0 %f %f",
- r1, r1, cc1.x, cc1.y);
- buflen += sprintf(buf + buflen, "L%f %f", cc3.x, cc3.y);
- buflen += sprintf(buf + buflen, "A%f %f 0 0 1 %f %f",
- r2, r2, cc4.x, cc4.y);
- if (a1 == a2)
- buflen += sprintf(buf + buflen, "A%f %f 0 1 1 %f %f",
- r2, r2, cc3.x, cc3.y);
- buf[buflen++] = 'Z';
- buf[buflen++] = 0;
- elem_add_attr(e, "d", buf);
-
- return e;
-}
-
-struct elem *gen_segment(double a, double r1, double r2, char *col)
-{
- return gen_arc(a - SECTOR_WIDTH/2, a + SECTOR_WIDTH/2, r1, r2, col);
-}
-
-struct elem *gen_ring(double r, double w, char *col)
-{
- return gen_arc(0, 0, r - w/2, r + w/2, col);
-}
-
-struct elem *gen_circle(double r, char *col)
-{
- struct elem *e = elem_init("circle", 2);
- elem_add_attr(e, "fill", col);
- elem_add_attr_double(e, "r", r);
-
- return e;
-}
-
-struct elem *gen_line(double a, double r1, double r2, double w, char *col)
-{
- struct ccoords cc1 = pol_to_cart((struct pcoords){ .a = a, .r = r1 });
- struct ccoords cc2 = pol_to_cart((struct pcoords){ .a = a, .r = r2 });
-
- struct elem *e = elem_init("line", 6);
- elem_add_attr(e, "stroke", col);
- elem_add_attr_double(e, "x1", cc1.x);
- elem_add_attr_double(e, "y1", cc1.y);
- elem_add_attr_double(e, "x2", cc2.x);
- elem_add_attr_double(e, "y2", cc2.y);
- elem_add_attr_double(e, "stroke-width", w);
-
- return e;
-}
-
-int draw_spider(int elemc, struct elem **elemv)
-{
- for (int i = 5; i > 1; --i) {
- elemv[elemc++] = gen_ring(OUTER_DISTS[i], WIRE_WIDTH, C_WIRE);
- elemv[elemc++] = gen_ring(OUTER_DISTS[i], WIRE_WIDTH/2, C_WIRE_INNER);
- }
-
- for (int i = 0; i < NUM_SECTORS; ++i) {
- double a = 90 - i*SECTOR_WIDTH - SECTOR_WIDTH/2;
- if (a < 0) a += 360;
-
- elemv[elemc++] = gen_line(a, OUTER_DISTS[1], OUTER_DISTS[5] + 10,
- WIRE_WIDTH, C_WIRE);
- elemv[elemc++] = gen_line(a, OUTER_DISTS[1], OUTER_DISTS[5] + 10,
- WIRE_WIDTH/2, C_WIRE_INNER);
- }
-
- for (int i = 1; i >= 0; --i) {
- elemv[elemc++] = gen_ring(OUTER_DISTS[i], WIRE_WIDTH, C_WIRE);
- elemv[elemc++] = gen_ring(OUTER_DISTS[i], WIRE_WIDTH/2, C_WIRE_INNER);
- }
-
- return elemc;
-}
-
-int draw_numbers(int elemc, struct elem **elemv)
-{
- elemv[elemc++] = gen_ring(DIAMETER/2 - WIRE_WIDTH*4, WIRE_WIDTH, "#ddd");
-
- int r = DIAMETER/2 - 33/2;
- for (int i = 0; i < 20; ++i) {
- struct elem *e = elemv[elemc++] = elem_init("text", 5);
- elem_add_attr(e, "font-size", "33");
- elem_add_attr(e, "fill", "#fff");
- elem_add_attr(e, "text-anchor", "middle");
- elem_add_attr(e, "dominant-baseline", "central");
-
- char buf[512];
- double a = 90 - i*SECTOR_WIDTH;
- if (a < 0) a += 360;
- struct ccoords cc = pol_to_cart((struct pcoords){ .a = a, .r = r });
- sprintf(buf, "scale(1 -1) translate(%f %f) rotate(%f)",
- cc.x, -cc.y, a <= 180 ? 90 -a : 270 -a);
- elem_add_attr(e, "transform", buf);
-
- e->content = malloc(3);
- sprintf(e->content, "%d", SECTORS[i]);
- }
-
- return elemc;
-}
-
-void draw_elemv(int layer, int elemc, struct elem **elemv)
-{
- EM_ASM({svgDrawElemv($0, $1, $2, $3, $4, $5, $6, $7)},
- layer, elemc, elemv,
- offsetof(struct elem, name), offsetof(struct elem, n_attrs),
- offsetof(struct elem, attr_names), offsetof(struct elem, attr_vals),
- offsetof(struct elem, content));
-}
-
-void svg_draw_board()
-{
- struct elem **elemv = malloc(200 * sizeof(*elemv));
- int elemc = 0;
-
- elemv[elemc++] = gen_circle(DIAMETER/2, C_BLACK);
-
- for (int i = 5; i > 1; --i) {
- for (int j = 0; j < NUM_SECTORS; ++j) {
- double a = 90 - j*SECTOR_WIDTH;
- if (a < 0) a += 360;
- elemv[elemc++] = gen_segment(a, OUTER_DISTS[i-1], OUTER_DISTS[i],
- i%2 ? (j%2 ? C_GREEN : C_RED) : (j%2 ? C_WHITE : C_BLACK));
- }
- }
-
- elemv[elemc++] = gen_circle(OUTER_DISTS[1], C_GREEN);
- elemv[elemc++] = gen_circle(OUTER_DISTS[0], C_RED);
-
- elemc = draw_spider(elemc, elemv);
- elemc = draw_numbers(elemc, elemv);
-
- draw_elemv(0, elemc, elemv);
-
- for (int i = 0; i < elemc; ++i)
- free(elemv[i]);
- free(elemv);
-}
-
-void svg_draw_point(double x, double y) {
- struct elem *e = gen_circle(8, "#33f");
- elem_add_attr(e, "stroke", "#ff0");
- elem_add_attr(e, "stroke-width", "2");
- elem_add_attr_double(e, "cx", x);
- elem_add_attr_double(e, "cy", y);
-
- draw_elemv(1, 1, &e);
- elem_free(e);
-}
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