OSD rotation option.

cfg.cpp

@@ -56,6 +56,7 @@ const ini_var_t ini_vars[] = {
 	{ "FB_TERMINAL", (void*)(&(cfg.fb_terminal)), UINT8, 0, 1 },
 	{ "OSD_TIMEOUT", (void*)(&(cfg.osd_timeout)), INT16, 5, 3600 },
 	{ "DIRECT_VIDEO", (void*)(&(cfg.direct_video)), UINT8, 0, 1 },
+	{ "OSD_ROTATE", (void*)(&(cfg.osd_rotate)), UINT8, 0, 2 },
 };
 
 // mist ini config

cfg.h

@@ -38,6 +38,7 @@ typedef struct {
 	int16_t bootcore_timeout;
 	uint8_t fb_size;
 	uint8_t fb_terminal;
+	uint8_t osd_rotate;
 	uint16_t osd_timeout;
 	char bootcore[256];
 	char video_conf[1024];

osd.cpp

@@ -593,6 +593,18 @@ void InfoEnable(int x, int y, int width, int height)
 	DisableOsd();
 }
 
+void OsdRotation(uint8_t rotate)
+{
+	if (is_minimig()) return;
+	spi_osd_cmd_cont(MM1_OSDCMDDISABLE);
+	spi_w(0);
+	spi_w(0);
+	spi_w(0);
+	spi_w(0);
+	spi_w(rotate);
+	DisableOsd();
+}
+
 // disable displaying of OSD
 void OsdDisable(void)
 {

osd.h

@@ -73,6 +73,7 @@ void OsdWriteOffset(unsigned char n, const char *s, unsigned char inver, unsigne
 void OsdClear(void);
 void OsdEnable(unsigned char mode);
 void InfoEnable(int x, int y, int width, int height);
+void OsdRotation(uint8_t rotate);
 void OsdDisable(void);
 void ConfigVideo(unsigned char hires, unsigned char lores, unsigned char scanlines);
 void ConfigAudio(unsigned char audio);

user_io.cpp

@@ -862,6 +862,8 @@ void user_io_init(const char *path)
 		break;
 	}
 
+	OsdRotation((cfg.osd_rotate == 1) ? 3 : (cfg.osd_rotate == 2) ? 1 : 0);
+
 	spi_uio_cmd_cont(UIO_GETUARTFLG);
 	uart_mode = spi_w(0);
 	DisableIO();

video.cpp

@@ -892,6 +892,12 @@ void video_menu_bg(int n, int idle)
 					}
 					vs_wait();
 				};
+
+				if (cfg.osd_rotate)
+				{
+					imlib_context_set_image(logo);
+					imlib_image_orientate(cfg.osd_rotate == 1 ? 3 : 1);
+				}
 			}
 			else
 			{
@@ -1016,16 +1022,42 @@ void video_menu_bg(int n, int idle)
 
 			int src_w = imlib_image_get_width();
 			int src_h = imlib_image_get_height();
+
 			printf("logo: src_w=%d, src_h=%d\n", src_w, src_h);
 
+			int dst_w, dst_h;
+			int dst_x, dst_y;
+			if (cfg.osd_rotate)
+			{
+				dst_h = fb_height / 2;
+				dst_w = src_w * dst_h / src_h;
+				if (cfg.osd_rotate == 1)
+				{
+					dst_x = 0;
+					dst_y = fb_height - dst_h;
+				}
+				else
+				{
+					dst_x = fb_width - dst_w;
+					dst_y = 0;
+				}
+			}
+			else
+			{
+				dst_x = 0;
+				dst_y = 0;
+				dst_w = fb_width * 2 / 7;
+				dst_h = src_h * dst_w / src_w;
+			}
+
 			if (*bg)
 			{
 				imlib_context_set_image(*bg);
 				imlib_blend_image_onto_image(logo, 1,
 					0, 0,         //int source_x, int source_y,
 					src_w, src_h, //int source_width, int source_height,
-					0, 0,         //int destination_x, int destination_y,
-					fb_width*2 / 7, src_h*fb_width*2 / (src_w * 7) //int destination_width, int destination_height
+					dst_x, dst_y, //int destination_x, int destination_y,
+					dst_w, dst_h  //int destination_width, int destination_height
 				);
 			}
 			else