Zach's git repos / ccharter-c
efficient program to spit out SVG for guitar/uke chord frett diagram
SVG: write the character for open or closed string
Browse Source
Zach DeCook 2020-12-26
parent eece740 · commit edcd7d0
Diffstat
-rw-r--r--ccharter.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/ccharter.c b/ccharter.c
index f475a27..184ea81 100644
--- a/ccharter.c
+++ b/ccharter.c
@@ -4,10 +4,10 @@
#define WIDTH 50
#define HEIGHT 60
int main(int argc, char **argv) {
- printf("<svg width=\"65px\" height=\"75px\" "
+ 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;\" "
- "viewBox=\"-5 -15 55 75\" "
+ "style=\"stroke-width:2; stroke:black; text-anchor:middle;\" "
+ "viewBox=\"-5 -25 55 85\" "
">"
);
int fretsCount = strlen(argv[1]);
@@ -33,8 +33,8 @@ int main(int argc, char **argv) {
}
// label
- printf("<text x=\"%d\" y=\"%d\" style=\"stroke-width:0; text-anchor:middle;\">%s</text>\n",
- 0 + 50/2, 0 - 5, argv[2]
+ 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
@@ -62,17 +62,15 @@ int main(int argc, char **argv) {
// dots
for (j=0; j < fretsCount; j++) {
-
- // 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
+ (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]
);
}
- i++;
}
// base fret indicator