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#include <stdio.h>
#include <string.h>
#include <stdbool.h>
#define WIDTH 50
#define HEIGHT 60
int main(int argc, char **argv) {
printf("<svg width=\"65px\" height=\"85px\" "
"version=\"1.1\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\" overflow=\"visible\" "
"style=\"stroke-width:2; stroke:black; text-anchor:middle;\" "
"viewBox=\"-5 -25 55 85\" "
">"
);
int fretsCount = strlen(argv[1]);
//var origin = { x: 0, y: 0};
//var props = { width: 50, height: 60 };
// horizontals
int i;
for (i = 0; i <= 4; i++) {
printf("<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" />\n",
0 - 1, (i * 60/4),
0+50+1, (i * 60/4)
);
}
// verts
for ( i = 0; i < fretsCount; i++ ) {
printf("<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" />\n",
0 + (i * 50 / (fretsCount - 1)), 0,
0 + (i * 50 / (fretsCount - 1)), 0 + 60
);
}
// label
printf("<text x=\"%d\" y=\"%d\" style=\"stroke-width:0;\">%s</text>\n",
0 + 50/2, -15, argv[2]
);
// If any dots are after 4, adjust the root to be the lowest non-zero fret
// If the root is zero , thicken the top fret
int baseFret = 0;
bool adjBaseFret = false;
int lowestFret = 0;
int j;
for (j=0; j < strlen(argv[1]); j++) {
if (argv[1][j] > '0' && argv[1][j] <= '9') {
if (argv[1][j] - '0' < lowestFret || lowestFret == 0) {
lowestFret = argv[1][j] - '0';
}
if (argv[1][j] > '4') {
adjBaseFret = true;
}
}
}
if (adjBaseFret) {
baseFret = lowestFret - 1;
}
// dots
for (j=0; j < fretsCount; j++) {
if (argv[1][j] > '0' && argv[1][j] <= '9') {
printf("<circle cx=\"%d\" cy=\"%d\" r=\"3\"/>\n",
(j * WIDTH) / (fretsCount - 1), (HEIGHT/4) * (argv[1][j] - '0') - baseFret - 7
);
} else {
printf("<text x=\"%d\" y=\"%d\" stroke-width=\"0\">%c</text>\n",
(j * WIDTH) / (fretsCount - 1),-2,argv[1][j]
);
}
}
// base fret indicator
/*if (baseFret > 0) {
ctx.alignText = "left";
ctx.fillText(baseFret + 1, origin.x - 10, origin.y + 11);
} else {
ctx.alignText = "left";
ctx.fillText("3", origin.x - 10, origin.y + 41);
}*/
printf("</svg>");
}
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