1 files changed, 49 insertions, 0 deletions
diff --git a/assorted/unit2any.c b/assorted/unit2any.c
new file mode 100644
index 0000000..74e87d3
--- /dev/null
+++ b/assorted/unit2any.c
@@ -0,0 +1,49 @@
+#include <stdbool.h>
+#include <stdlib.h>
+#include <libHX/option.h>
+
+static double dpi = 96;
+
+static void px2any(const struct HXoptcb *cbi)
+{
+	double px = cbi->data_dbl;
+
+	printf("%f px are (at %f DPI) equal to:\n", px, dpi);
+	printf("\t%f inch\n", px / dpi);
+	printf("\t%f pt\n", px * 72 / dpi);
+	printf("\t%f cm\n", px * 2.54 / dpi);
+}
+
+static void pt2any(const struct HXoptcb *cbi)
+{
+	double pt = cbi->data_dbl;
+
+	printf("%f pt are equal to:\n", pt);
+	printf("\t%f inch\n", pt / 72);
+	printf("\t%f px (at %f DPI)\n", dpi * pt / 72, dpi);
+	printf("\t%f cm\n", pt * 2.54 / 72);
+}
+
+static const struct HXoption option_table[] = {
+	{.sh = 'D', .ln = "dpi", .type = HXTYPE_DOUBLE, .ptr = &dpi,
+	 .help = "Resolution (default: 96 dpi)"},
+	{.sh = 'P', .ln = "px", .type = HXTYPE_DOUBLE, .cb = px2any},
+	{.sh = 'p', .ln = "pt", .type = HXTYPE_DOUBLE, .cb = pt2any},
+	HXOPT_AUTOHELP,
+	HXOPT_TABLEEND,
+};
+
+static bool get_options(int *argc, const char ***argv)
+{
+}
+
+int main(int argc, const char **argv)
+{
+	int ret;
+
+	ret = HX_getopt(option_table, &argc, &argv, HXOPT_USAGEONERR);
+	if (ret != HXOPT_ERR_SUCCESS)
+		return EXIT_FAILURE;
+
+	
+}