package com.radaee.pdf;

import android.app.Activity;
import android.content.ContextWrapper;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.os.Environment;

import com.radaee.viewlib.R;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;

//import android.telephony.TelephonyManager;
//import android.net.wifi.WifiInfo;
//import android.net.wifi.WifiManager;

/**
 * class for Global setting.
 * 
 * @author Radaee
 * @version 1.1
 */
public class Global
{
    public static void Init(Activity act)
    {
        //second para is license type
        //            0 means standard license.
        //            1 means professional license
        //            2 means premium license
        //3rd para is company name string(not package name)
        //4th para is mail
        //5th para is key string
        //the package name got by native C/C++ library, not by pass parameter.
        Init( act, 2, "radaee", "radaee_com@yahoo.cn",
                "LNJFDN-C89QFX-9ZOU9E-OQ31K2-FADG6Z-XEBCAO" );
    }
	/**
	 * get version string from library.
	 * @return version string, like: "201401"
	 */
	private static native String getVersion();
	private static native void setCMapsPath(String cmaps, String umaps);
	private static native boolean setCMYKICCPath(String path);
	private static native void fontfileListStart();
	private static native void fontfileListAdd(String font_file);
	private static native void fontfileListEnd();
	private static native void loadStdFont( int index, String path );
    private static native int recommandedRenderMode();
    public static native float sqrtf(float v);

	/**
	 * map a face name to another name.<br/>
	 * invoke after fontfileListEnd and before setDefaultFont.
	 * 
	 * @param map_name
	 *            mapping name
	 * @param name
	 *            name in face-list, developer may list all face names by
	 *            getFaceCount and getFaceName
	 * @return false if name is not in face-list, or map_name is empty.
	 */
	private static native boolean fontfileMapping(String map_name, String name);

	private static native boolean setDefaultFont(String collection,
			String fontname, boolean fixed);

	private static native boolean setAnnotFont(String fontname);

	private static native int getFaceCount();

	private static native String getFaceName(int index);

	/**
	 * active license for premium version.<br/>
	 * this is full version for all features.
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activePremium(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for professional version.<br/>
	 * this is for annotation editing version but no form features.
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activeProfessional(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for standard version.<br/>
	 * this can't save and edit and no reflow function.
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activeStandard(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for premium version.<br/>
	 * this is full version for all features.<br/>
	 * the license for this method is binding to version string, see Global.getVersion();
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activePremiumForVer(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for professional version.<br/>
	 * this is for annotation editing version but no form features.<br/>
	 * the license for this method is binding to version string, see Global.getVersion();
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activeProfessionalForVer(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for standard version.<br/>
	 * this can't save and edit and no reflow function.<br/>
	 * the license for this method is binding to version string, see Global.getVersion();
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            address, example "radaee_com@yahoo.cn"
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activeStandardForVer(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * active license for time limit. features same as professional version, but
	 * actived only in date range from dt1 to dt2.
	 * 
	 * @param context
	 *            Context object
	 * @param company
	 *            company name, exapmle "radaee"
	 * @param mail
	 *            mail address, example "radaee_com@yahoo.cn"
	 * @param dt1
	 *            start date example "2012-12-31", must formated "yyyy-mm-dd" 10
	 *            length.
	 * @param dt2
	 *            end date example "2012-12-31", must formated "yyyy-mm-dd" 10
	 *            length.
	 * @param serial
	 *            serial number you got or buy.
	 * @return true or false
	 */
	private static native boolean activeTime(ContextWrapper context, String company,
			String mail, String dt1, String dt2, String serial);
	private static native boolean activeStandardTitanium(ContextWrapper context,
			String company, String mail, String serial);
	private static native boolean activeProfessionalTitanium(ContextWrapper context,
			String company, String mail, String serial);
	private static native boolean activePremiumTitanium(ContextWrapper context,
			String company, String mail, String serial);

	/**
	 * hide all annotations when render pages?
	 * 
	 * @param hide
	 *            true to hide, false to show.
	 */
	private static native void hideAnnots(boolean hide);

	private static native void drawScroll(Bitmap bmp, long dib1, long dib2, int x, int y, int style);
	/**
	 * not used for developer
	 */
	public static void DrawScroll(Bitmap bmp, DIB dib1, DIB dib2, int x, int y, int style)
	{
		drawScroll(bmp, dib1.hand, dib2.hand, x, y, style);
	}

	private static native void toDIBPoint(long matrix, float[] ppoint,
			float[] dpoint);

	private static native void toPDFPoint(long matrix, float[] dpoint,
			float[] ppoint);

	private static native void toDIBRect(long matrix, float[] prect,
			float[] drect);

	private static native void toPDFRect(long matrix, float[] drect,
			float[] prect);

	/**
	 * set annotation transparency color.<br/>
	 * default value: 0x200040FF
	 * 
	 * @param color
	 *            formated as 0xAARRGGBB
	 */
	private static native void setAnnotTransparency(int color);

	/**
	 * color for ink annotation
	 */
	public static int inkColor = 0x80404040;
	/**
	 * width for ink lines.
	 */
	public static float inkWidth = 4;
	/**
	 * color for rect annotation.
	 */
	public static int rectColor = 0x80C00000;
	/**
	 * selection color.
	 */
	public static int selColor = 0x400000C0;// selection color
	/**
	 * is text selection start from right to left in one line?
	 */
	public static boolean selRTOL = false;
	/**
	 * max zoom level; valid values: [2, 5]
	 */
	public static float zoomLevel = 3;
	public static float zoomStep = 1;
	/**
	 * fling distance: 0.5-2
	 */
	public static float fling_dis = 1.0f;// 0.5-2
	/**
	 * fling speed: 0.1-0.4
	 */
	public static float fling_speed = 0.2f;// 0.1 - 0.4
	/**
	 * default view:<br/>
	 * 0:vertical<br/>
	 * 2:scroll<br/>
	 * 3:single<br/>
	 * 4:SingleEx<br/>
	 * 5:ReFlow<br/>
	 * 6:2 page in landscape
	 */
	public static int def_view = 0;
	/**
	 * render mode: 0:draft 1:normal 2:best
	 */
	public static int render_mode = 2;
	/**
	 * render as dark mode?
	 */
	public static boolean dark_mode = false;

	/**
	 * temp path, able after Init() invoked
	 * debug_mode, show or remove "Avail Mem" watermark
	 * save_thumb_in_cache, save pdf first page in cache storage
	 */
	public static String tmp_path = null;
	public static boolean debug_mode = true;
	public static boolean save_thumb_in_cache = true;

	static private void load_file(Resources res, int res_id, File save_file)
	{
		if( !save_file.exists() )
		{
			try
	    	{
		        int read;
				byte buf[] = new byte[4096];
				InputStream src = res.openRawResource(res_id );
    			FileOutputStream dst = new FileOutputStream( save_file );
   				while( (read = src.read( buf )) > 0 )
   					dst.write( buf, 0, read );
   				dst.close();
   				src.close();
   				dst = null;
   				src = null;
	    	}
			catch(Exception e)
			{
			}
		}
	}
	static private void load_std_font(Resources res, int res_id, int index, File dst)
	{
		load_file(res, res_id, dst);
		loadStdFont( index, dst.getPath() );
	}
    static private void load_truetype_font(Resources res, int res_id, File dst)
    {
        load_file(res, res_id, dst);
        fontfileListAdd( dst.getPath() );
    }
	static private boolean load_cmyk_icc(Resources res, int res_id, File dst)
	{
		load_file(res, res_id, dst);
		return setCMYKICCPath(dst.getPath());
	}
	static private void load_cmaps(Resources res, int res_cmap, File dst_cmap, int res_umap, File dst_umap)
	{
		load_file(res, res_cmap, dst_cmap);
		load_file(res, res_umap, dst_umap);
		setCMapsPath(dst_cmap.getPath(), dst_umap.getPath());
	}
	static private boolean ms_init = false;
	/**
	 * global initialize function. it load JNI library and write some data to memory.
	 * @param act Activity need input, native get package name from this Activity, and then check package name.
	 * @param license_type 0: standard license, 1: professional license, 2: premium license.
	 * @param company_name
	 * @param mail
	 * @param serial
	 * @return
	 */
	public static boolean Init(Activity act, int license_type, String company_name, String mail, String serial)
	{
		if(ms_init) return true;
		if( act == null ) return false;
 		// load library
		System.loadLibrary("rdpdf");
		// save resource to sand-box for application.
		File files = new File(act.getFilesDir(), "rdres");
		if (!files.exists())// not exist? make it!
			files.mkdir();
		Resources res = act.getResources();
        //load_std_font( res, R.raw.rdf008, 8, new File(files, "rdf008") );
        load_std_font( res, R.raw.rdf013, 13, new File(files, "rdf013") );
		load_cmyk_icc( res, R.raw.cmyk_rgb, new File(files, "cmyk_rgb") );
		load_cmaps( res, R.raw.cmaps, new File(files, "cmaps"), R.raw.umaps, new File(files, "umaps") );

		// create temporary dictionary, to save media or attachment data.
		File sdDir = Environment.getExternalStorageDirectory();
        File ftmp;
		if (sdDir != null && Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED))
            ftmp = new File(sdDir, "rdtmp");
		else
            ftmp = new File(act.getFilesDir(), "rdtmp");
		if (!ftmp.exists())// not exist? make it!
            ftmp.mkdir();
		tmp_path = ftmp.getPath();

		switch(license_type)
		{
		case 1:
			ms_init = activeProfessional(act, company_name, mail, serial);
			break;
		case 2:
			ms_init = activePremium(act, company_name, mail, serial);
			break;
		default:
			ms_init = activeStandard(act, company_name, mail, serial);
			break;
		}
		// active library, or WaterMark will displayed on each page.
		// boolean succeeded = activeStandard(act, "radaee",
		// "radaee_com@yahoo.cn", "HV8A19-WOT9YC-9ZOU9E-OQ31K2-FADG6Z-XEBCAO");
		// boolean succeeded = activeProfessional( act, "radaee",
		// "radaee_com@yahoo.cn", "Z5A7JV-5WQAJY-9ZOU9E-OQ31K2-FADG6Z-XEBCAO" );
		//boolean succeeded = activePremium(act, "radaee", "radaee_com@yahoo.cn",
		//		"LNJFDN-C89QFX-9ZOU9E-OQ31K2-FADG6Z-XEBCAO");

		// active library, or WaterMark will displayed on each page.
		// these active function is binding to version string "201401".
		//String ver = getVersion();
		// boolean succeeded = activeStandardForVer(act, "Radaee",
		// "radaeepdf@gmail.com", "NP8HLC-Q3M21C-H3CRUZ-WAJQ9H-5R5V9L-KM0Y1L");
		// boolean succeeded = activeProfessionalForVer(act, "Radaee",
		// "radaeepdf@gmail.com", "6D7KV9-FYCVAE-H3CRUZ-WAJQ9H-5R5V9L-KM0Y1L" );
		// boolean succeeded = activePremiumForVer(act, "Radaee", "radaeepdf@gmail.com",
		//		"Q6EL00-BTB1EG-H3CRUZ-WAJQ9H-5R5V9L-KM0Y1L");

		// add system external fonts.
		fontfileListStart();
		fontfileListAdd("/system/fonts/DroidSans.ttf");
		fontfileListAdd("/system/fonts/Roboto-Regular.ttf");
		fontfileListAdd("/system/fonts/DroidSansFallback.ttf");
        fontfileListAdd("/system/fonts/NotoSansSC-Regular.otf");
        fontfileListAdd("/system/fonts/NotoSansTC-Regular.otf");
        fontfileListAdd("/system/fonts/NotoSansJP-Regular.otf");
        fontfileListAdd("/system/fonts/NotoSansKR-Regular.otf");
        load_truetype_font( res, R.raw.arimo, new File(files, "arimo.ttf") );
        load_truetype_font( res, R.raw.arimob, new File(files, "arimob.ttf") );
        load_truetype_font( res, R.raw.arimoi, new File(files, "arimoi.ttf") );
        load_truetype_font( res, R.raw.arimobi, new File(files, "arimobi.ttf") );
        load_truetype_font( res, R.raw.tinos, new File(files, "tinos.ttf") );
        load_truetype_font( res, R.raw.tinosb, new File(files, "tinosb.ttf") );
        load_truetype_font( res, R.raw.tinosi, new File(files, "tinosi.ttf") );
        load_truetype_font( res, R.raw.tinosbi, new File(files, "tinosbi.ttf") );
        load_truetype_font( res, R.raw.cousine, new File(files, "cousine.ttf") );
        load_truetype_font( res, R.raw.cousineb, new File(files, "cousineb.ttf") );
        load_truetype_font( res, R.raw.cousinei, new File(files, "cousinei.ttf") );
        load_truetype_font( res, R.raw.cousinebi, new File(files, "cousinebi.ttf") );
        load_truetype_font( res, R.raw.symbol, new File(files, "symbol.ttf") );//Symbol Neu for Powerline
		fontfileListEnd();
        fontfileMapping("Arial",                    "Arimo");
        fontfileMapping("Arial Bold",              "Arimo Bold");
        fontfileMapping("Arial BoldItalic",       "Arimo Bold Italic");
        fontfileMapping("Arial Italic",            "Arimo Italic");
        fontfileMapping("Arial,Bold",              "Arimo Bold");
        fontfileMapping("Arial,BoldItalic",       "Arimo Bold Italic");
        fontfileMapping("Arial,Italic",            "Arimo Italic");
        fontfileMapping("Arial-Bold",              "Arimo Bold");
        fontfileMapping("Arial-BoldItalic",       "Arimo Bold Italic");
        fontfileMapping("Arial-Italic",            "Arimo Italic");
        fontfileMapping("ArialMT",                  "Arimo");
        fontfileMapping("Calibri",                  "Arimo");
        fontfileMapping("Calibri Bold",            "Arimo Bold");
        fontfileMapping("Calibri BoldItalic",      "Arimo Bold Italic");
        fontfileMapping("Calibri Italic",           "Arimo Italic");
        fontfileMapping("Calibri,Bold",             "Arimo Bold");
        fontfileMapping("Calibri,BoldItalic",      "Arimo Bold Italic");
        fontfileMapping("Calibri,Italic",           "Arimo Italic");
        fontfileMapping("Calibri-Bold",             "Arimo Bold");
        fontfileMapping("Calibri-BoldItalic",      "Arimo Bold Italic");
        fontfileMapping("Calibri-Italic",           "Arimo Italic");
        fontfileMapping("Helvetica",                "Arimo");
        fontfileMapping("Helvetica Bold",          "Arimo Bold");
        fontfileMapping("Helvetica BoldItalic",   "Arimo Bold Italic");
        fontfileMapping("Helvetica Italic",        "Arimo Italic");
        fontfileMapping("Helvetica,Bold",          "Arimo,Bold");
        fontfileMapping("Helvetica,BoldItalic",   "Arimo Bold Italic");
        fontfileMapping("Helvetica,Italic",        "Arimo Italic");
        fontfileMapping("Helvetica-Bold",          "Arimo Bold");
        fontfileMapping("Helvetica-BoldItalic",   "Arimo Bold Italic");
        fontfileMapping("Helvetica-Italic",        "Arimo Italic");
        fontfileMapping("Garamond",                    "Tinos");
        fontfileMapping("Garamond,Bold",              "Tinos Bold");
        fontfileMapping("Garamond,BoldItalic",       "Tinos Bold Italic");
        fontfileMapping("Garamond,Italic",            "Tinos Italic");
        fontfileMapping("Garamond-Bold",              "Tinos Bold");
        fontfileMapping("Garamond-BoldItalic",       "Tinos Bold Italic");
        fontfileMapping("Garamond-Italic",            "Tinos Italic");
        fontfileMapping("Times",                    "Tinos");
        fontfileMapping("Times,Bold",              "Tinos Bold");
        fontfileMapping("Times,BoldItalic",       "Tinos Bold Italic");
        fontfileMapping("Times,Italic",            "Tinos Italic");
        fontfileMapping("Times-Bold",              "Tinos Bold");
        fontfileMapping("Times-BoldItalic",       "Tinos Bold Italic");
        fontfileMapping("Times-Italic",            "Tinos Italic");
        fontfileMapping("Times-Roman",             "Tinos");
        fontfileMapping("Times New Roman",                "Tinos");
        fontfileMapping("Times New Roman,Bold",          "Tinos Bold");
        fontfileMapping("Times New Roman,BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("Times New Roman,Italic",        "Tinos Italic");
        fontfileMapping("Times New Roman-Bold",          "Tinos Bold");
        fontfileMapping("Times New Roman-BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("Times New Roman-Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRoman",                "Tinos");
        fontfileMapping("TimesNewRoman,Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRoman,BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRoman,Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRoman-Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRoman-BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRoman-Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRomanPS",                "Tinos");
        fontfileMapping("TimesNewRomanPS,Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRomanPS,BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRomanPS,Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRomanPS-Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRomanPS-BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRomanPS-Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRomanPSMT",                "Tinos");
        fontfileMapping("TimesNewRomanPSMT,Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRomanPSMT,BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRomanPSMT,Italic",        "Tinos Italic");
        fontfileMapping("TimesNewRomanPSMT-Bold",          "Tinos Bold");
        fontfileMapping("TimesNewRomanPSMT-BoldItalic",   "Tinos Bold Italic");
        fontfileMapping("TimesNewRomanPSMT-Italic",        "Tinos Italic");
        fontfileMapping("Courier",                        "Cousine");
        fontfileMapping("Courier Bold",                  "Cousine Bold");
        fontfileMapping("Courier BoldItalic",           "Cousine Bold Italic");
        fontfileMapping("Courier Italic",                "Cousine Italic");
        fontfileMapping("Courier,Bold",                  "Cousine Bold");
        fontfileMapping("Courier,BoldItalic",           "Cousine Bold Italic");
        fontfileMapping("Courier,Italic",                "Cousine Italic");
        fontfileMapping("Courier-Bold",                  "Cousine Bold");
        fontfileMapping("Courier-BoldItalic",           "Cousine Bold Italic");
        fontfileMapping("Courier-Italic",                "Cousine Italic");
        fontfileMapping("Courier New",                    "Cousine");
        fontfileMapping("Courier New Bold",              "Cousine Bold");
        fontfileMapping("Courier New BoldItalic",       "Cousine Bold Italic");
        fontfileMapping("Courier New Italic",            "Cousine Italic");
        fontfileMapping("Courier New,Bold",              "Cousine Bold");
        fontfileMapping("Courier New,BoldItalic",       "Cousine Bold Italic");
        fontfileMapping("Courier New,Italic",            "Cousine Italic");
        fontfileMapping("Courier New-Bold",              "Cousine Bold");
        fontfileMapping("Courier New-BoldItalic",       "Cousine Bold Italic");
        fontfileMapping("Courier New-Italic",            "Cousine Italic");
        fontfileMapping("CourierNew",                     "Cousine");
        fontfileMapping("CourierNew Bold",               "Cousine Bold");
        fontfileMapping("CourierNew BoldItalic",        "Cousine Bold Italic");
        fontfileMapping("CourierNew Italic",             "Cousine Italic");
        fontfileMapping("CourierNew,Bold",               "Cousine Bold");
        fontfileMapping("CourierNew,BoldItalic",        "Cousine Bold Italic");
        fontfileMapping("CourierNew,Italic",             "Cousine Italic");
        fontfileMapping("CourierNew-Bold",               "Cousine Bold");
        fontfileMapping("CourierNew-BoldItalic",        "Cousine Bold Italic");
        fontfileMapping("CourierNew-Italic",             "Cousine Italic");
        fontfileMapping("Symbol",                          "Symbol Neu for Powerline");
        fontfileMapping("Symbol,Bold",                    "Symbol Neu for Powerline");
        fontfileMapping("Symbol,BoldItalic",             "Symbol Neu for Powerline");
        fontfileMapping("Symbol,Italic",                  "Symbol Neu for Powerline");
        //fontfileMapping("TimesNewRoman", "Times New Roman");

		String face_name = null;
		int face_first = 0;
		int face_count = getFaceCount();
		while (face_first < face_count)
		{
			face_name = getFaceName(face_first);
			if (face_name != null) break;
			face_first++;
		}

		// set default font for fixed width font.
		if (!setDefaultFont(null, "Roboto-Regular", true) && face_name != null)
		{
			if( !setDefaultFont(null, "DroidSans", true) )
				setDefaultFont(null, face_name, true);
		}
		// set default font for non-fixed width font.
		if (!setDefaultFont(null, "Roboto-Regular", false) && face_name != null)
		{
			if( !setDefaultFont(null, "DroidSans", false) )
				setDefaultFont(null, face_name, false);
		}

		// set default font for Chinese simplified language.
		if (!setDefaultFont("GB1", "Noto Sans SC Regular", true) &&
            !setDefaultFont("GB1", "DroidSansFallback", true) && face_name != null)
			setDefaultFont(null, face_name, true);
		if (!setDefaultFont("GB1", "Noto Sans SC Regular", false) &&
            !setDefaultFont("GB1", "DroidSansFallback", false) && face_name != null)
			setDefaultFont(null, face_name, false);

		// set default font for Chinese traditional language.
		if (!setDefaultFont("CNS1", "Noto Sans TC Regular", true) &&
            !setDefaultFont("CNS1", "DroidSansFallback", true) && face_name != null)
			setDefaultFont(null, face_name, true);
		if (!setDefaultFont("CNS1", "Noto Sans TC Regular", false) &&
            !setDefaultFont("CNS1", "DroidSansFallback", false) && face_name != null)
			setDefaultFont(null, face_name, false);

		// set default font for Japanese.
		if (!setDefaultFont("Japan1", "Noto Sans JP Regular", true) &&
            !setDefaultFont("Japan1", "DroidSansFallback", true) && face_name != null)
			setDefaultFont(null, face_name, true);
		if (!setDefaultFont("Japan1", "Noto Sans JP Regular", false) &&
            !setDefaultFont("Japan1", "DroidSansFallback", false) && face_name != null)
			setDefaultFont(null, face_name, false);

		// set default font for Korean.
		if (!setDefaultFont("Korea1", "Noto Sans KR Regular", true) &&
            !setDefaultFont("Korea1", "DroidSansFallback", true) && face_name != null)
			setDefaultFont(null, face_name, true);
		if (!setDefaultFont("Korea1", "Noto Sans KR Regular", false) &&
            !setDefaultFont("Korea1", "DroidSansFallback", false) && face_name != null)
			setDefaultFont(null, face_name, false);

		if (!setAnnotFont("DroidSansFallback") && face_name != null) {
			setAnnotFont(face_name);
		}

		// set text font for edit-box and combo-box editing.
		if (!setAnnotFont("DroidSansFallback") && face_name != null) {
			setAnnotFont(face_name);
		}

		// set configure to default value
		default_config();
		return ms_init;
	}

	/**
	 * reset to default configure.
	 */
	public static void default_config()
	{
		selColor = 0x400000C0;// selection color
		fling_dis = 1.0f;// 0.5-2
        fling_speed = 0.1f;// 0.05 - 0.2
		def_view = 0;// 0,1,2,3,4,5,6 0:vertical 1:horizon 2:curl effect 3:single
						// 4:SingleEx 5:Reflow, 6:show 2 page as 1 page in land
						// scape mode
		render_mode = recommandedRenderMode();// 0,1,2 0:draft 1:normal 2:best with over print support.
		dark_mode = false;// dark mode
		zoomLevel = 3;
        debug_mode = true;
		setAnnotTransparency(0x200040FF);
	}

	/**
	 * map PDF point to DIB point.
	 * 
	 * @param mat
	 *            Matrix object defined scale, rotate, tranlate operations.
	 * @param ppoint
	 *            input point in PDF coordinate system. [x, y]
	 * @param dpoint
	 *            output point in DIB coordinate system. [x, y]
	 */
	public static void ToDIBPoint(Matrix mat, float[] ppoint, float[] dpoint) {
		toDIBPoint(mat.hand, ppoint, dpoint);
	}

	/**
	 * map DIB point to PDF point.
	 * 
	 * @param mat
	 *            Matrix object defined scale, rotate, tranlate operations.
	 * @param dpoint
	 *            input point in DIB coordinate system. [x, y]
	 * @param ppoint
	 *            output point in PDF coordinate system. [x, y]
	 */
	public static void ToPDFPoint(Matrix mat, float[] dpoint, float[] ppoint) {
		toPDFPoint(mat.hand, dpoint, ppoint);
	}

	/**
	 * map PDF rectangle to DIB rectangle.
	 * 
	 * @param mat
	 *            Matrix object defined scale, rotate, tranlate operations.
	 * @param prect
	 *            input rect in PDF coordinate system. [left, top, right,
	 *            bottom]
	 * @param drect
	 *            output rect in DIB coordinate system. [left, top, right,
	 *            bottom]
	 */
	public static void ToDIBRect(Matrix mat, float[] prect, float[] drect) {
		toDIBRect(mat.hand, prect, drect);
	}

	/**
	 * map DIB rectangle to PDF rectangle.
	 * 
	 * @param mat
	 *            Matrix object defined scale, rotate, tranlate operations.
	 * @param drect
	 *            input rect in DIB coordinate system. [left, top, right,
	 *            bottom]
	 * @param prect
	 *            output rect in PDF coordinate system. [left, top, right,
	 *            bottom]
	 */
	public static void ToPDFRect(Matrix mat, float[] drect, float[] prect) {
		toPDFRect(mat.hand, drect, prect);
	}

	/**
	 * map PDF point to DIB point.
	 * 
	 * @param ratio
	 *            scale value apply to page rendering.
	 * @param dib_h
	 *            height of render bitmap.
	 * @param ppoint
	 *            input point in PDF coordinate system. [x, y]
	 * @param dpoint
	 *            output point in DIB coordinate system. [x, y]
	 */
	public static void ToDIBPoint(float ratio, int dib_h, float[] ppoint,
			float[] dpoint) {
		dpoint[0] = ppoint[0] * ratio;
		dpoint[1] = dib_h - ppoint[1] * ratio;
	}

	/**
	 * map DIB point to PDF point.
	 * 
	 * @param ratio
	 *            scale value apply to page rendering.
	 * @param dib_h
	 *            height of render bitmap.
	 * @param dpoint
	 *            input point in DIB coordinate system. [x, y]
	 * @param ppoint
	 *            output point in PDF coordinate system. [x, y]
	 */
	public static void ToPDFPoint(float ratio, int dib_h, float[] dpoint,
			float[] ppoint) {
		ppoint[0] = dpoint[0] / ratio;
		ppoint[1] = (dib_h - dpoint[1]) / ratio;
	}

	/**
	 * map PDF rectangle to DIB rectangle.
	 * 
	 * @param ratio
	 *            scale value apply to page rendering.
	 * @param dib_h
	 *            height of render bitmap.
	 * @param prect
	 *            input rect in PDF coordinate system. [left, top, right,
	 *            bottom]
	 * @param drect
	 *            output rect in DIB coordinate system. [left, top, right,
	 *            bottom]
	 */
	public static void ToDIBRect(float ratio, int dib_h, float[] prect,
			float[] drect) {
		drect[0] = prect[0] * ratio;
		drect[1] = dib_h - prect[3] * ratio;
		drect[2] = prect[2] * ratio;
		drect[3] = dib_h - prect[1] * ratio;
	}

	/**
	 * map DIB rectangle to PDF rectangle.
	 * 
	 * @param ratio
	 *            scale value apply to page rendering.
	 * @param dib_h
	 *            height of render bitmap.
	 * @param drect
	 *            input rect in DIB coordinate system. [left, top, right,
	 *            bottom]
	 * @param prect
	 *            output rect in PDF coordinate system. [left, top, right,
	 *            bottom]
	 */
	public static void ToPDFRect(float ratio, int dib_h, float[] drect,
			float[] prect) {
		prect[0] = drect[0] / ratio;
		prect[1] = (dib_h - drect[3]) / ratio;
		prect[2] = drect[2] / ratio;
		prect[3] = (dib_h - drect[1]) / ratio;
	}

	/**
	 * remove all tmp files that generated when user click multi-media annotations.
	 */
	public static void RemoveTmp()
	{
		try
		{
			File tmp = new File(tmp_path);
			File files[] = tmp.listFiles();
			if (files != null)
			{
				for (int index = 0; index < files.length; index++)
					files[index].delete();
			}
		}
		catch(Exception e)
		{
		}
	}
}