using?Android.Views;
using?Android.Graphics;
using?Android.Content;
using?System;

namespace?Signature.Droid
{
	public?class?DrawView?:?View
	{
		public?DrawView（Context?context）
			:?base（context）
		{
			Start（）;
		}

		public?Color?CurrentLineColor?{?get;?set;?}
		public?String?ImageFilePath?{?get;?set;?}

		public?float?PenWidth?{?get;?set;?}

		private?Path?DrawPath;
		private?Paint?DrawPaint;
		private?Paint?CanvasPaint;
		private?Canvas?DrawCanvas;
		private?Bitmap?CanvasBitmap;

		private?int?w?h;
		private?Bitmap?_image?=?null;

		private?void?Start（）
		{
			CurrentLineColor?=?Color.Black;
			PenWidth?=?5.0f;

			DrawPath?=?new?Path（）;
			DrawPaint?=?new?Paint
			{
				Color?=?CurrentLineColor
				AntiAlias?=?true
				StrokeWidth?=?PenWidth
			};

			DrawPaint.Setstyle（Paint.style.Stroke）;
			DrawPaint.StrokeJoin?=?Paint.Join.Round;
			DrawPaint.StrokeCap?=?Paint.Cap.Round;

			CanvasPaint?=?new?Paint
			{
				Dither?=?true
			};
		}

		public?void?Clear（）
		{
			try
			{
				DrawPath?=?new?Path（）;
				CanvasBitmap?=?Bitmap.CreateBitmap（w?h?Bitmap.Config.Argb8888）;
				DrawCanvas?=?new?Canvas（CanvasBitmap）;
			}
			catch?（Exception?e）
			{

			}

			Invalidate（）;
		}

		protected?override?void?OnSizeChanged（int?w?int?h?int?oldw?int?oldh）
		{
			base.OnSizeChanged（w?h?oldw?oldh）;
			if?（w?>?0?&&?h?>?0）
			{
				try
				{
					CanvasBitmap?=?Bitmap.CreateBitmap（w?h?Bitmap.Config.Argb8888）;
					DrawCanvas?=?new?Canvas（CanvasBitmap）;
					this.w?=?w;
					this.h?=?h;
				}
				catch（Exception?ex）
				{
					
				}
			}
		}

		protected?override?void?OnDraw（Canvas?canvas）
		{
			base.OnDraw（canvas）;

			DrawPaint.Color?=?CurrentLineColor;
			DrawPaint.StrokeWidth?=?PenWidth;
			canvas.DrawBitmap（CanvasBitmap?0?0?CanvasPaint）;
			canvas.DrawPath（DrawPath?DrawPaint）;
		}

		public?override?bool?OnTouchEvent（MotionEvent?e）
		{
			var?touchX?=?e.GetX（）;
			var?touchY?=?e.GetY（）;

			switch?（e.Action）
			{
			case?MotionEventActions.Down:
				DrawPath.MoveTo（touchX?touchY）;
				break;
			case?MotionEventActions.Move:
				DrawPath.LineTo（touchX?touchY）;
				break;
			case?MotionEventActions.Up:
				DrawCanvas.DrawPath（DrawPath?DrawPaint）;
				DrawPath.Reset（）;
				break;
			default:
				return?false;
			}

			Invalidate（）;

			return?true;
		}

		public?void?LoadImageFromFile（）
		{
			if?（ImageFilePath?!=?null?&&?ImageFilePath?!=?““）
			{
				_image?=?BitmapFactory.DecodeFile（ImageFilePath）;
			}
		}

		public?Bitmap?GetImageFromView（）
		{
			Bitmap?tempBitmap?=?null;
			try
			{
				tempBitmap?=?Bitmap.CreateBitmap（w?h?Bitmap.Config.Argb8888）;
				DrawCanvas?=?new?Canvas（tempBitmap）;

				if?（_image?!=?null）
				{
					DrawPaint.Setstyle（Paint.style.Fill）;
					DrawPaint.Color?=?Color.White;
					DrawCanvas.DrawRect（new?Rect（0?0?w?h）?DrawPaint）;

					float?scaleX?=?（float）_image.Width?/?w;
					float?scaleY?=?（float）_image.Height?/?h;
					Rect?outRect?=?new?Rect（）;

					int?outWidth?outHeight;
					if?（scaleX?>?scaleY

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-03-18?15:25??Signature\
?????目錄???????????0??2016-03-18?15:59??Signature\.git\
?????文件?????????144??2016-03-18?12:52??Signature\.git\config
?????文件??????????73??2016-03-18?12:52??Signature\.git\description
?????文件??????????23??2016-03-18?12:52??Signature\.git\HEAD
?????目錄???????????0??2016-04-05?23:54??Signature\.git\hooks\
?????文件?????????177??2016-03-18?12:52??Signature\.git\hooks\README.sample
?????文件????????3536??2016-03-18?15:59??Signature\.git\index
?????目錄???????????0??2016-04-05?23:54??Signature\.git\info\
?????文件?????????113??2016-03-18?12:52??Signature\.git\info\exclude
?????目錄???????????0??2016-03-18?15:59??Signature\.git\objects\
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\02\
?????文件?????????149??2016-03-18?12:56??Signature\.git\objects\02\16ee96cdf816ff5bac9762b42ec0aba6cdc675
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\0c\
?????文件?????????119??2016-03-18?13:13??Signature\.git\objects\0c\52c383af63b19def11bfc20fd86a49fe7cadd4
?????目錄???????????0??2016-03-18?12:52??Signature\.git\objects\0d\
?????文件????????2010??2016-03-18?12:52??Signature\.git\objects\0d\8c1c57dc5ca6268f2d5edae12f41a1a1dc3435
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\10\
?????文件?????????766??2016-03-18?12:52??Signature\.git\objects\10\f52d46021dff0e36a01c8aff6a464670c3505d
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\17\
?????文件????????1201??2016-03-18?12:52??Signature\.git\objects\17\d15588c745ad65886a63316bd22cdffae15590
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\1c\
?????文件?????????210??2016-03-18?12:52??Signature\.git\objects\1c\ddde0140581974fc6c3a37265a41c4e3858183
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\21\
?????文件?????????104??2016-03-18?13:16??Signature\.git\objects\21\00859fdb4798280d7a50c83c85dbde54dad424
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\24\
?????文件?????????251??2016-03-18?12:52??Signature\.git\objects\24\f99745850af9f1ad9963d6c6ed3c6268789683
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\26\
?????文件??????????97??2016-03-18?12:57??Signature\.git\objects\26\77c598f8e3507a7ba930028113ea290d0c06b0
?????目錄???????????0??2016-04-05?23:54??Signature\.git\objects\3c\
?????文件????????1385??2016-03-18?12:52??Signature\.git\objects\3c\01e60ced0cd4ca7d47f6d4061603c5d0a4af95
............此處省略279個(gè)文件信息