From 9d96f739c0c2642cdb445e289201cb6480c25892 Mon Sep 17 00:00:00 2001
From: Michael Hayes <michael.hayes@canterbury.ac.nz>
Date: Sun, 29 Sep 2013 21:22:50 +1300
Subject: [PATCH] Add tinygl_pixel_set and tinygl_pixel_get

---
 utils/tinygl.c | 18 ++++++++++++++++++
 utils/tinygl.h | 12 ++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/utils/tinygl.c b/utils/tinygl.c
index 473713c..40c1682 100644
--- a/utils/tinygl.c
+++ b/utils/tinygl.c
@@ -35,6 +35,24 @@ static tinygl_state_t tinygl =
 };
 
 
+/** Set pixel.
+    @param pos coordinates of point
+    @param pixel_value pixel value.  */
+void tinygl_pixel_set (tinygl_point_t pos, tinygl_pixel_value_t pixel_value)
+{
+    display_pixel_set (pos.x, pos.y, pixel_value);
+}
+
+
+/** Get pixel.
+    @param pos coordinates of point
+    @return pixel value.  */
+tinygl_pixel_value_t tinygl_pixel_get (tinygl_point_t pos)
+{
+    return display_pixel_get (pos.x, pos.y);
+}
+
+
 /** Draw point.
     @param pos coordinates of point
     @param pixel_value pixel value for line.  */
diff --git a/utils/tinygl.h b/utils/tinygl.h
index bf72507..79da7ed 100644
--- a/utils/tinygl.h
+++ b/utils/tinygl.h
@@ -187,6 +187,18 @@ void tinygl_text (const char *string);
 void tinygl_draw_point (tinygl_point_t pos, tinygl_pixel_value_t pixel_value);
 
 
+/** Set pixel.
+    @param pos coordinates of point
+    @param pixel_value pixel value.  */
+void tinygl_pixel_set (tinygl_point_t pos, tinygl_pixel_value_t pixel_value);
+
+
+/** Get pixel.
+    @param pos coordinates of point
+    @return pixel value.  */
+tinygl_pixel_value_t tinygl_pixel_get (tinygl_point_t pos);
+
+
 /** Draw line.
     @param pos1 coordinates of start of line
     @param pos2 coordinates of end of line