shithub: cardgen

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adds documentation

--- a/cardgen.c

+++ b/cardgen.c

@@ -3,29 +3,33 @@

 #include <draw.h>

 #include <memdraw.h>

-static void

-usage(void)

-{

-	fprint(2, "usage: %s [-dt] [-f subfont]\n", argv0);

-	exits("usage");

-}

+/* configuration parameters */

+

+/* card dimensions */

 int cardwid = 200;

 int cardhgt = 300;

+

+/* radius for card corners (for template card) */

 int cardrad = 7;

+

+/* symbol dimensions */

 int symwid = 30;

 int symhgt = 30;

+/* symbol locations */

 Point symlocs[2] = {

 	{ 10, 10 },

 	{ 200-30-10, 300-30-10 },

 };

+/* label locations */

 Point lbllocs[2] = {

 	{ 10+30+10, 10+15 },

 	{ 200-30-10-10, 300-30-10+15 },

 };

+/* label alignment */

 /* 0 left, 1 right */

 int lblalign[2] = {

 	0,

@@ -32,6 +36,7 @@

 	1,

 };

+/* labels for card values */

 /* nils will be skipped */

 char *labels[15] = {

 	nil,

@@ -53,6 +58,13 @@

 /* code */

+

+static void

+usage(void)

+{

+	fprint(2, "usage: %s [-dt] [-f subfont]\n", argv0);

+	exits("usage");

+}

 Memimage *memred;

 Memimage *memgreen;

-- 

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