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diff --git a/common/wmt_display/minivgui.h b/common/wmt_display/minivgui.h
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+/*++
+Copyright (c) 2010 WonderMedia Technologies, Inc.
+
+This program is free software: you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free Software
+Foundation, either version 2 of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+PARTICULAR PURPOSE.  See the GNU General Public License for more details. You
+should have received a copy of the GNU General Public License along with this
+program. If not, see http://www.gnu.org/licenses/>.
+
+WonderMedia Technologies, Inc.
+4F, 531, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C.
+--*/
+
+/**
+ * A mini gui implementation (copied some code from VGUI)
+ * functions:
+ * 1. draw line (horz or vert only)
+ * 2. draw rectangle, fill rectangle,
+ * 3. draw bitmap ( Windows bmp format)
+ * 4. draw text ( note, ascii only and the text font was gererated by
+ * vgui's FontGen 1.0 tool)
+ *
+ * Usage:
+ *  first maybe you want to change this line to fit your rgb format
+	#define mv_RGB_FORMAT mv_RGB_FORMAT_565
+ *  in the source code firstly you need to prepare all HW related jobs,
+ *  such as turn on panel backlight/init LCDC
+ *  after that the first function you need to invoked is mv_initPrimary.
+ *  You need to set the correct member in mv_surface argument.
+ *  After that you can call all functions
+ *
+ *  Here is a example:
+ *
+ *
+	mv_surface s;
+        s.width = 800;
+        s.height = 480;
+	s.lineBytes = 800 * 2;
+		// if the panel is 16bit
+	s.startAddr = 0x7C000000;
+	// the frame buffer address
+
+	mv_initPrimary(&s);
+
+        mv_Rect r;
+	r.left = 0;
+	r.right = s.width;
+	r.top = 0;
+	r.bottom = s.height;
+	//fill whole screen with red color
+	mv_fillRect(&r, mv_RGB2Color(255, 0, 0));
+
+	//draw some text on the screen (build-in font size is 12x24)
+	mv_textOut(0, 0, "Hello,world!", mv_RGB2Color(0, 0, 0));
+	mv_textOut(0, 25, "Hello, mini VGUI!", mv_RGB2Color(0, 0, 0));
+ *
+ */
+#ifndef MINIVGUI_H_INCLUDED
+#define MINIVGUI_H_INCLUDED
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#include "wmt_display.h"
+
+extern int g_display_direction;
+
+/**
+ * init minivgui primary screen. this is the first function need be called
+ */
+void mv_initSurface(int no,const mv_surface * s);
+mv_surface *mv_getSurface(int no);
+void mv_dumpSurface(void);
+
+void mv_drawLine(int no, int x1, int y1, int x2, int y2, unsigned int color);
+void mv_drawRect(int no, const mv_Rect* rect, unsigned int color);
+void mv_fillRect(int no, const mv_Rect* rect, unsigned char r, unsigned char g, unsigned char b);
+
+void check_display_direction(void);
+void mv_clearFB(void);
+int show_charge_picture(unsigned char* fileBuffer, int picture_no);
+
+void check_tf_boot(void);
+
+/**
+ * draw text on the screen (Note: only acsii supported)
+ */
+void mv_textOut(int no, int x, int y, const char * string, unsigned char r, unsigned char g, unsigned char b);
+int mv_loadBmp(int no, unsigned char* fileBuffer, int clearFB);
+void show_text_to_screen(char *p_text, unsigned int rgb);
+void show_text_to_screen_no_backlight(char *p_text, unsigned int rgb);
+void show_2lines_text_to_screen(char *p_text1, char *p_text2, unsigned int rgb);
+void show_2lines_text_to_screen_no_backlight(char *p_text1, char *p_text2, unsigned int rgb);
+
+/**
+* display charging percent
+**/
+int init_charge_percent(void);
+int clear_charge_percent(unsigned char* fileBuffer);
+int display_charge_percent(unsigned char* fileBuffer, int percent);
+
+// for mem copy
+void mem_cpy_alignment(char *des, char *src, int len);
+
+#ifdef  __cplusplus
+}
+#endif
+
+#endif // MINIVGUI_H_INCLUDED
+
+