From eece740e31429e47d2931c8266c0598ce26830f1 Mon Sep 17 00:00:00 2001
From: Zach DeCook <zachdecook@librem.one>
Date: Sat, 26 Dec 2020 15:02:51 -0500
Subject: SVG: draw dots where your fingers should go

---
 ccharter.c | 60 +++++++++++++++++++++++++++---------------------------------
 1 file changed, 27 insertions(+), 33 deletions(-)

diff --git a/ccharter.c b/ccharter.c
index bb4c786..f475a27 100644
--- a/ccharter.c
+++ b/ccharter.c
@@ -1,10 +1,13 @@
 #include <stdio.h>
 #include <string.h>
+#include <stdbool.h>
+#define WIDTH 50
+#define HEIGHT 60
 int main(int argc, char **argv) {
-		printf("<svg width=\"60px\" height=\"75px\" "
+		printf("<svg width=\"65px\" height=\"75px\" "
 			"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;\" "
-			"viewBox=\"-5 -15 50 75\" "
+			"viewBox=\"-5 -15 55 75\" "
 			">"
 		);
 		int fretsCount = strlen(argv[1]);
@@ -15,7 +18,7 @@ int main(int argc, char **argv) {
 		// horizontals
 		int i;
 		for (i = 0; i <= 4; i++) {
-			printf("<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" />",
+			printf("<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" />\n",
 				0 - 1, (i * 60/4),
 				0+50+1, (i * 60/4)
 			);
@@ -23,30 +26,30 @@ int main(int argc, char **argv) {
 	
 		// verts
 		for ( i = 0; i < fretsCount; i++ ) {
-			printf("<line x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\" />",
+			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; text-anchor:middle;\">%s</text>",
+		printf("<text x=\"%d\" y=\"%d\" style=\"stroke-width:0; text-anchor:middle;\">%s</text>\n",
 		    0 + 50/2, 0 - 5, 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
 	
-		/*var baseFret = 0;
-		var adjBaseFret = false;
-		var lowestFret = 0;
-	
-		for (j=0; j < chord.frets.length; j++) {
-			if (chord.frets.charAt(j) != 'x' && chord.frets.charAt(j) != 'X' && chord.frets.charAt(j) > 0) {
-				if (chord.frets.charAt(j) < lowestFret || lowestFret == 0) {
-					lowestFret = chord.frets.charAt(j);
+		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 (chord.frets.charAt(j) > 4) {
+				if (argv[1][j] > '4') {
 					adjBaseFret = true;
 				}
 			}
@@ -58,32 +61,23 @@ int main(int argc, char **argv) {
 	
 		// dots
 	
-		var dotsize = 3.5;
-	
-		var i = 0;
-	
-		for (j=0; j < chord.frets.length; j++) {
-	
-			ctx.alignText = "left";
-			ctx.fillText(chord.frets.charAt(j), origin.x + (i * props.width / (fretsCount - 1)), origin.y + props.height + 12);
+		for (j=0; j < fretsCount; j++) {
 	
-			if (chord.frets.charAt(j) == 0) {
-	
-	
-			} else if (chord.frets.charAt(j) == 'x' || chord.frets.charAt(j) == 'X') {
-	
-			} else {
-				ctx.beginPath();
-				ctx.arc(origin.x + (i * props.width / (fretsCount -1)), origin.y - 7.5 + (15 * (chord.frets.charAt(j) - baseFret)), dotsize, 0, Math.PI*2,true);
-				ctx.closePath();
-				ctx.fill();
+			// TODO: Write the O or X if it is open or muted.
+			//ctx.alignText = "left";
+			//ctx.fillText(chord.frets.charAt(j), origin.x + (i * props.width / (fretsCount - 1)), origin.y + props.height + 12);
+
+			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
+				);
 			}
 			i++;
 		}
 	
 		// base fret indicator
 	
-		if (baseFret > 0) {
+		/*if (baseFret > 0) {
 			ctx.alignText = "left";
 			ctx.fillText(baseFret + 1, origin.x - 10, origin.y + 11);
 		} else {
-- 
cgit 1.4.1