From 19f734335519996395113c6acbde949dfc60e167 Mon Sep 17 00:00:00 2001
From: Jon Lund Steffensen <jonlst@gmail.com>
Date: Thu, 27 May 2010 00:17:47 +0200
Subject: Let gamma methods and location providers print help on option
 parameters.

---
 src/gamma-w32gdi.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/gamma-w32gdi.c')

diff --git a/src/gamma-w32gdi.c b/src/gamma-w32gdi.c
index 7425370..2dc12f3 100644
--- a/src/gamma-w32gdi.c
+++ b/src/gamma-w32gdi.c
@@ -17,8 +17,8 @@
    Copyright (c) 2010  Jon Lund Steffensen <jonlst@gmail.com>
 */
 
-#include <stdlib.h>
 #include <stdio.h>
+#include <stdlib.h>
 
 #define WINVER  0x0500
 #include <windows.h>
@@ -42,6 +42,11 @@ w32gdi_init(w32gdi_state_t *state, char *args)
 {
 	BOOL r;
 
+	if (args != NULL) {
+		fputs(_("Too many arguments.\n"), stderr);
+		return -1;
+	}
+
 	/* Open device context */
 	state->hDC = GetDC(NULL);
 	if (state->hDC == NULL) {
@@ -86,6 +91,14 @@ w32gdi_free(w32gdi_state_t *state)
 	ReleaseDC(NULL, state->hDC);
 }
 
+
+void
+w32gdi_print_help(FILE *f)
+{
+	fputs(_("Adjust gamma ramps with the Windows GDI.\n"), f);
+	fputs("\n", f);
+}
+
 void
 w32gdi_restore(w32gdi_state_t *state)
 {
-- 
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