2 files changed, 46 insertions, 0 deletions
diff --git a/lib/libgfx/include/libgfx/draw.h b/lib/libgfx/include/libgfx/draw.h
index 3bd013a..9f56f6c 100644
--- a/lib/libgfx/include/libgfx/draw.h
+++ b/lib/libgfx/include/libgfx/draw.h
@@ -89,7 +89,20 @@ struct gfx_shape {
     dimm_t height;
 };
 
+/*
+ * A point or single pixel that
+ * may be plotted onto the screen.
+ *
+ * @x,y: Position of the point on the screen
+ * @rgb: Color of the point (RGB)
+ */
+struct gfx_point {
+    scrpos_t x, y;
+    color_t rgb;
+};
+
 int gfx_draw_shape(struct gfx_ctx *ctx, const struct gfx_shape *shape);
+int gfx_plot_point(struct gfx_ctx *ctx, const struct gfx_point *point);
 
 __always_inline static inline size_t
 gfx_io_index(struct gfx_ctx *ctx, scrpos_t x, scrpos_t y)
diff --git a/lib/libgfx/src/draw.c b/lib/libgfx/src/draw.c
index 8280f8a..9ef8630 100644
--- a/lib/libgfx/src/draw.c
+++ b/lib/libgfx/src/draw.c
@@ -96,6 +96,39 @@ gfx_draw_square(struct gfx_ctx *ctx, const struct gfx_shape *shape)
 }
 
 /*
+ * Plot a single pixel (aka point) onto
+ * the screen.
+ *
+ * @ctx: The graphics context pointer
+ * @point: Point to plot
+ *
+ * Returns 0 on success, otherwise a less
+ * than zero value.
+ */
+int
+gfx_plot_point(struct gfx_ctx *ctx, const struct gfx_point *point)
+{
+    uint32_t index;
+
+    if (ctx == NULL || point == NULL) {
+        return -EINVAL;
+    }
+
+    /*
+     * Is this even a valid point on the screen for
+     * us to plot on?
+     */
+    if (gfx_pixel_bounds(ctx, point->x, point->y) < 0) {
+        return -1;
+    }
+
+    /* Plot it !! */
+    index = gfx_io_index(ctx, point->x, point->y);
+    ctx->io[index] = point->rgb;
+    return 0;
+}
+
+/*
  * Draw a shape onto the screen
  *
  * @ctx: libgfx graphics context