From daa4e8bbd78ebe4a84234de266006d1a23697657 Mon Sep 17 00:00:00 2001
From: inmarket <andrewh@inmarket.com.au>
Date: Sat, 9 Nov 2013 19:17:22 +1000
Subject: [PATCH] Add support for a portrait and landscape orientation modes.

---
 include/gdisp/gdisp.h |  4 +++-
 src/gdisp/gdisp.c     | 10 ++++++++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/include/gdisp/gdisp.h b/include/gdisp/gdisp.h
index 3d617e50..51415805 100644
--- a/include/gdisp/gdisp.h
+++ b/include/gdisp/gdisp.h
@@ -62,8 +62,10 @@ typedef enum fontmetric { fontHeight, fontDescendersHeight, fontLineSpacing, fon
 typedef const struct mf_font_s* font_t;
 /**
  * @brief   Type for the screen orientation.
+ * @note	GDISP_ROTATE_LANDSCAPE and GDISP_ROTATE_PORTRAIT are internally converted to the
+ * 			most appropriate other orientation.
  */
-typedef enum orientation { GDISP_ROTATE_0=0, GDISP_ROTATE_90=90, GDISP_ROTATE_180=180, GDISP_ROTATE_270=270 } orientation_t;
+typedef enum orientation { GDISP_ROTATE_0=0, GDISP_ROTATE_90=90, GDISP_ROTATE_180=180, GDISP_ROTATE_270=270, GDISP_ROTATE_PORTRAIT=1000,  GDISP_ROTATE_LANDSCAPE=1001 } orientation_t;
 /**
  * @brief   Type for the available power modes for the screen.
  */
diff --git a/src/gdisp/gdisp.c b/src/gdisp/gdisp.c
index b08fe627..7eade99c 100644
--- a/src/gdisp/gdisp.c
+++ b/src/gdisp/gdisp.c
@@ -2367,6 +2367,16 @@ void gdispGBlitArea(GDisplay *g, coord_t x, coord_t y, coord_t cx, coord_t cy, c
 			MUTEX_ENTER(g);
 			g->p.x = what;
 			g->p.ptr = value;
+			if (what == GDISP_CONTROL_ORIENTATION) {
+				switch ((orientation_t) value) {
+				case GDISP_ROTATE_LANDSCAPE:
+					g->p.ptr = g->g.Width >= g->g.Height ? GDISP_ROTATE_0 : GDISP_ROTATE_90;
+					break;
+				case GDISP_ROTATE_PORTRAIT:
+					g->p.ptr = g->g.Width >= g->g.Height ? GDISP_ROTATE_90 : GDISP_ROTATE_0;
+					break;
+				}
+			}
 			gdisp_lld_control(g);
 			#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
 				if (what == GDISP_CONTROL_ORIENTATION) {