C# Bitmap.DrawText方法代码示例

        //private Bitmap img = new Bitmap(Resources.GetBytes(Resources.BinaryResources.AnalogTicksOutside),
        //                                        Bitmap.BitmapImageType.Gif);
        //private Bitmap img = new Bitmap(Resources.GetBytes(Resources.BinaryResources.AnalogTicksInside),
        //                                        Bitmap.BitmapImageType.Gif);


        public override void Render(Bitmap screen)
        {
            if (_screen == null) _screen = screen;

            screen.DrawImage(0, 0, img, 0, 0, img.Width, img.Height);

            var text = "AGENT";
            Point textLocation = new Point(
                AGENT.Center.X - (drawing.MeasureString(text, smallFont) / 2), AGENT.Center.Y - 25);
            screen.DrawText(text, smallFont, Color.White, textLocation.X, textLocation.Y);

            var date = Settings.Now.ToString(CultureInfo.CurrentUICulture.DateTimeFormat.MonthDayPattern);
            ; //time.MonthNameShort + " " + time.Day;

            Point dateLocation = new Point(
                AGENT.Center.X - (drawing.MeasureString(date, smallFont) / 2), AGENT.Center.Y + 20);
            screen.DrawText(date, smallFont, Color.White, dateLocation.X, dateLocation.Y);

            //draw our hands
            drawing.PaintSkinnyHands(screen, Settings.Now, AGENT.Center);


            
            drawing.DrawTray(screen, _notificationProvider, smallFont);

        }

        public void Render(Bitmap screen, bool military, ArrayList forecast)
        {
            DateTime now = DateTime.Now;
            string display = "";
            string hour, minute = now.Minute.ToString();
            if (military)
            {
                hour = now.Hour.ToString();
            }
            else
            {
                int h = now.Hour;
                if (h >= 12) h = h - 12;
                if (h == 0) h = 12;
                hour = h.ToString();
            }
            if (minute.Length == 1) minute = "0" + minute;

            display = hour + ":" + minute;
            screen.DrawLine(Color.White, 2, 0, Program.AgentSize/2, Program.AgentSize, Program.AgentSize/2);

            int left = Program.AgentSize - Program.MeasureString(display, bigfont);
            screen.DrawText(display, bigfont, Color.White, left, (Program.AgentSize/2) +2);
 
            string dow = System.Globalization.DateTimeFormatInfo.CurrentInfo.DayNames[(int) now.DayOfWeek];
            screen.DrawText(dow.ToString(), font, Color.White, 5, 10);

            string date = System.Globalization.DateTimeFormatInfo.CurrentInfo.MonthNames[(int) now.Month];
            date = date + " " + now.Day.ToString();
            screen.DrawText(date, font, Color.White, 5, 30);

        }

        public void Render(Bitmap screen, bool military, ArrayList forecast)
        {
            screen.DrawLine(Color.White, 2, 0, Program.AgentSize / 2, Program.AgentSize, Program.AgentSize / 2);

            DateTime now = DateTime.Now;
            int counter = (int) now.DayOfWeek;
            counter++;
            int left =  buffer;
            Forecast nowForecast = null;
            bool needsDate = false;
            DateTime lastUpdated = DateTime.Now;
            for (int x = 0; x <= days; x++)
            {
                
                string dayName = System.Globalization.DateTimeFormatInfo.CurrentInfo.DayNames[counter];
                if (dayName.Length >= 3) dayName = dayName.Substring(0, 3);
                int width = Program.MeasureString(dayName, font);
                screen.DrawText(dayName, font, Color.White, left, top);
                if (forecast != null && forecast.Count > 0)
                {
                    Forecast current = null;
                    var startDate = now.Date.AddDays(x);
                    foreach (Forecast f in forecast)
                    {
                        if (f.Date.Year == now.Date.Year && f.Date.Month == now.Date.Month && f.Date.Day == now.Date.Day)
                            nowForecast = f;
                        if (startDate.Year == f.Date.Year && startDate.Month == f.Date.Month && startDate.Day == f.Date.Day)
                        {
                            Debug.Print("Found match");
                            current = f;
                            break;
                        }
                    }
                    if (current != null)
                    {
                        needsDate = true;
                        screen.DrawText(current.Current.ToString(), font, Color.White, left+4, top+font.Height + 2);
                        lastUpdated = current.LastUpdated;
                    }
                }
                counter++;
                if (counter > 6) counter = 0;
                left += width + buffer;
            }
            if (nowForecast != null)
            {
                string display = nowForecast.Current.ToString();
                int forecastLeft = Program.AgentSize - Program.MeasureString(display, bigfont);
                screen.DrawText(display, bigfont, Color.White, forecastLeft, (Program.AgentSize / 2) + 2);
                needsDate = true;
                lastUpdated = nowForecast.LastUpdated;
            }
            if (needsDate)
            {
                screen.DrawText(lastUpdated.ToString(), smallFont, Color.White, 3, (Program.AgentSize / 2)-smallFont.Height-1);
                
            }

        }

        protected override void DrawItem(Bitmap screen, int x, int y, int width, int height, ref int index, object it, Style cStyle)
        {
            bool selected = _selIndex == index;
            RadioStationItem item = (RadioStationItem)it;

            if (selected)
                screen.DrawRectangle(Colors.Blue, 0, x, y, width, height, 0, 0,
                    cStyle.ListBoxSelectedItemBack1, x, y,
                    cStyle.ListBoxSelectedItemBack2, x, y + height, Enabled ? (ushort)256 : (ushort)128);

            Color textColor = item.IsConnecting ? Colors.Yellow : (item.IsPlaying ? Colors.LightGreen : (Enabled ? (selected ? cStyle.TextBoxPressedTextColor : cStyle.TextBoxEnabledTextColor) : cStyle.TextBoxDisabledTextColor));
            screen.DrawText(item.Name, nameFont, textColor, x + 5, y + 2);
            screen.DrawText(item.Address, textFont, textColor, x + 5, y + 2 + nameFont.Height + 2);
        }

        public override void Run()
        {
            try
            {
                using (var bmp = new Bitmap(Dimensions.Width, Dimensions.Height))
                {
                    const string text = "Hello World";
                    int textWidth, textHeight;

                    Font font = Resources.GetFont(Resources.FontResources.ninabd18ppem);
                    font.ComputeExtent(text, out textWidth, out textHeight);
                    int textX = (Dimensions.Width - textWidth)/2;

                    var rand = new Random();

                    for (int x = 0; x < 3; x++)
                    {
                        int baseColor = rand.Next(0xffff);
                        for (int i = 0; i < Dimensions.Height; i++)
                        {
                            bmp.Clear();
                            bmp.DrawText(text, font, (Color) (((255 - i) << 16) | baseColor), textX, i);
                            bmp.Flush();
                        }
                    }
                }
                Pass = true;
            }
            catch (Exception e)
            {
                UnexpectedException(e);
            }
        }

        /// <summary>
        /// Draw text in a vertical and horizontal position
        /// When "align" is "Center" then "margin" is ignored.
        /// Also when "vAlign" is "Middle" then "vMargin"  is ignored.
        /// </summary>
        /// <param name="screen"></param>
        /// <param name="color"></param>
        /// <param name="font"></param>
        /// <param name="inString"></param>
        /// <param name="align"></param>
        /// <param name="margin"></param>
        /// <param name="vAlign"></param>
        /// <param name="vMargin"></param>
        public void DrawAlignedText(Bitmap screen, Color color, Font font, string inString, HAlign align, int margin, VAlign vAlign, int vMargin)
        {

            Point p = new Point();
            var stringWidth = MeasureString(inString, font);
            var stringHeight = 0;
            var textAreaLength = 0;
           

            switch (align)
            {

                case HAlign.Left:

                    p.X = margin + 1;
                    break;

                case HAlign.Center:

                    textAreaLength = screen.Width - (margin * 2);
                    p.X = margin + ((textAreaLength - stringWidth) / 2);
                    break;

                case HAlign.Right:

                    textAreaLength = screen.Width - margin;
                    p.X = textAreaLength - stringWidth;
                    break;

            }

            stringHeight = font.Height;

            switch (vAlign)
            {

                case VAlign.Top:

                    p.Y = vMargin + 1;
                    break;

                case VAlign.Middle:

                    p.Y= (screen.Height / 2) - (stringHeight / 2);
                    break;

                case VAlign.Bottom:

                    p.Y = screen.Height - stringHeight - vMargin;
                    break;

            }

            screen.DrawText(inString, font, color, p.X, p.Y);

        }

 public void Render(Bitmap screen)
 {
     screen.DrawText(
         Settings.Now.ToString(DateTimeFormatInfo.CurrentInfo.ShortTimePattern),
         font,
         Color.White, 
         0,
         0
         );
 }

        public void Render(Bitmap screen, bool military, ArrayList forecast)
        {
            
            var time = new Time();
            time.CurrentTime = DateTime.Now;
            screen.DrawImage(0, 0, img, 0, 0, img.Width, img.Height);


            var text = "agent";
            Point textLocation = new Point(
                Program.Center.X - (Program.MeasureString(text, font) / 2), Program.Center.Y - 25);
            screen.DrawText(text, font, Color.White, textLocation.X, textLocation.Y);

            var date = time.MonthNameShort + " " + time.Day;
            Point dateLocation = new Point(
                Program.Center.X - (Program.MeasureString(date, font) / 2), Program.Center.Y + 20);
            screen.DrawText(date, font, Color.White, dateLocation.X, dateLocation.Y);

            PaintSkinnyHands(screen, time);
        }

        public static void Main()
        {
            IPAddress Server = IPAddress.Parse("1.2.3.4");
            string SharedSecret = "SharedSecret";
            string UserName = "UserName";
            string UserPassword = "UserPassword";

            Bitmap screen = new Bitmap(320, 240);   // emulator display size
            Font font = Resources.GetFont(Resources.FontResources.NinaB);

            RadiusResult result;
            using (Client client = new Client(Server, SharedSecret))
            {
                client.AddAttribute(AttributeType.UserName, UserName);
                client.AddAttribute(AttributeType.UserPassword, UserPassword);
                result = client.Authenticate();
            };

            switch (result)
            {
                case RadiusResult.LocalError:
                    screen.DrawText("Result: LocalError", font, ColorUtility.ColorFromRGB(0xff, 0, 0), 50, 50);
                    break;
                case RadiusResult.NoResponse:
                    screen.DrawText("Result: NoResponse", font, ColorUtility.ColorFromRGB(0xff, 0, 0), 50, 50);
                    break;
                case RadiusResult.AccessAccept:
                    screen.DrawText("Result: AccessAccept", font, ColorUtility.ColorFromRGB(0, 0xff, 0), 50, 50);
                    break;
                case RadiusResult.AccessReject:
                    screen.DrawText("Result: AccessReject", font, ColorUtility.ColorFromRGB(0xff, 0, 0), 50, 50);
                    break;
                case RadiusResult.NotImplemented:
                    screen.DrawText("Result: NotImplemented", font, ColorUtility.ColorFromRGB(0, 0, 0xff), 50, 50);
                    break;
            }
            screen.Flush();
            Thread.Sleep(Timeout.Infinite);
        }

        public override void Render(Bitmap screen)
        {
            if (base._screen == null) _screen = screen;

 
            DateTime now = DateTime.Now;
            string display = "";
            string hour, minute = now.Minute.ToString();
            if (Settings.TimeInISONotatation)
            {
                hour = now.Hour.ToString();
            }
            else
            {
                int h = now.Hour;
                if (h >= 12) h = h - 12;
                if (h == 0) h = 12;
                hour = h.ToString();
            }
            if (minute.Length == 1) minute = "0" + minute;

            display = hour + ":" + minute;
            screen.DrawLine(Color.White, 2, 0, AGENT.Contrib.Device.Size/2, AGENT.Contrib.Device.Size, AGENT.Contrib.Device.Size/2);

            int left = AGENT.Contrib.Device.Size - base.drawing.MeasureString(display, bigfont);
            screen.DrawText(display, bigfont, Color.White, left, (AGENT.Contrib.Device.Size/2) + 2);

            string dow = System.Globalization.DateTimeFormatInfo.CurrentInfo.DayNames[(int) now.DayOfWeek];
            screen.DrawText(dow.ToString(), font, Color.White, 5, 15);

            string date = System.Globalization.DateTimeFormatInfo.CurrentInfo.MonthNames[(int) now.Month];
            date = date + " " + now.Day.ToString();
            screen.DrawText(date, font, Color.White, 5, 35);

            drawing.DrawTray(screen, _notificationProvider, smallFont);


        }

        public static void Main()
        {
            // initialize display buffer
            _display = new Bitmap(Bitmap.MaxWidth, Bitmap.MaxHeight);

            // sample "hello world" code
            _display.Clear();
            Font fontNinaB = Resources.GetFont(Resources.FontResources.NinaB);
            _display.DrawText("Waiting.", fontNinaB, Color.White, 10, 64);
            _display.Flush();

            var connection = new Connection("COM3", new CSVChannel());
            connection.Open();
            connection.OnReceived+=connection_OnReceived;
            // go to sleep; all further code should be timer-driven or event-driven
            Thread.Sleep(Timeout.Infinite);
        }

        /// <summary>
        /// Converts this ByteMatrix to a black and white bitmap.
        /// </summary>
        /// <returns>A black and white bitmap converted from this ByteMatrix.</returns>
        public Bitmap ToBitmap(BarcodeFormat format, String content)
        {
            int width = Width;
            int height = Height;
            bool outputContent = !(content == null || content.Length == 0) && (format == BarcodeFormat.CODE_39 ||
                                                                    format == BarcodeFormat.CODE_128 ||
                                                                    format == BarcodeFormat.EAN_13 ||
                                                                    format == BarcodeFormat.EAN_8 ||
                                                                    format == BarcodeFormat.CODABAR ||
                                                                    format == BarcodeFormat.ITF ||
                                                                    format == BarcodeFormat.UPC_A);
            int emptyArea = outputContent ? 16 : 0;

            // create the bitmap and lock the bits because we need the stride
            // which is the width of the image and possible padding bytes
            var bmp = new Bitmap(width, height);
            for (int y = 0; y < height - emptyArea; y++)
            {
                for (var x = 0; x < width; x++)
                {
                    var color = this[x, y] ? Color.Black : Color.White;
                    bmp.SetPixel(x, y, color);
                }
            }

            if (outputContent)
            {
                //switch (format)
                //{
                //   case BarcodeFormat.EAN_8:
                //      if (content.Length < 8)
                //         content = OneDimensionalCodeWriter.CalculateChecksumDigitModulo10(content);
                //      content = content.Insert(4, "   ");
                //      break;
                //   case BarcodeFormat.EAN_13:
                //      if (content.Length < 13)
                //         content = OneDimensionalCodeWriter.CalculateChecksumDigitModulo10(content);
                //      content = content.Insert(7, "   ");
                //      content = content.Insert(1, "   ");
                //      break;
                //}
                bmp.DrawText(content, null, Color.Black, width / 2, height - 14);
            }

            return bmp;
        }

 static public void DrawString(Font font, String text, int x, int y, UInt32 text_color, UInt32 back_color)
 {
     int width = 0;
     for (int i = 0; i < text.Length; i++)
     {
         width+=font.CharWidth((char)(text[i]));
     }
     Bitmap bmp = new Bitmap(width, font.Height);
     bmp.DrawRectangle((Microsoft.SPOT.Presentation.Media.Color)back_color, 100, 0, 0, width, font.Height, 0, 0, (Microsoft.SPOT.Presentation.Media.Color)back_color, 0, 0, (Microsoft.SPOT.Presentation.Media.Color)back_color, 0, 0, 0);
     bmp.DrawText(text, font, (Microsoft.SPOT.Presentation.Media.Color)text_color, 0, 0);
     Image imge = new Image(bmp); // Note: Maybe out of memory here
     DrawImage(imge, x, y);
     bmp.Dispose();
     bmp = null;
     imge.Dispose();
     imge = null;
 }

        public void Render(Bitmap screen, Font font, int height, int width, int borderBuffer, Color ForegroundColor, Color BackgroundColor)
        {
            if (Text != null && Text != "")
            {
                Color forColor = ForegroundColor;
                Color bColor = BackgroundColor;

                if (Selected)
                {
                    forColor = BackgroundColor;
                    bColor = ForegroundColor;
                }         
                screen.DrawRectangle(forColor, 1, Point.X, Point.Y, width + borderBuffer * 2,
                                     height + borderBuffer * 2, 0, 0, bColor, 0, 0,
                                     bColor, 0, 0, 255);

                screen.DrawText(Text, font, forColor, Point.X + borderBuffer, Point.Y + borderBuffer);
            }
        }

        /// <summary>
        /// A demonstration as to how to handle multiple button presses at the same time
        /// </summary>

        public static void Main()
        {

            ButtonHelper.ButtonSetup = new Buttons[]{ Buttons.TopRight, Buttons.MiddleRight, Buttons.BottomRight,};
            ButtonHelper.Current.OnButtonPress += Current_OnButtonPress;

            buttonStates = new Hashtable();
            buttonStates.Add(Buttons.TopRight, ButtonDirection.Up);
            buttonStates.Add(Buttons.MiddleRight, ButtonDirection.Up);
            buttonStates.Add(Buttons.BottomRight, ButtonDirection.Up);

            // initialize display buffer
            _display = new Bitmap(Bitmap.MaxWidth, Bitmap.MaxHeight);

            // sample "hello world" code
            _display.Clear();
            _display.DrawText("Hello world.", fontNinaB, Color.White, 10, 64);
            _display.Flush();

            // go to sleep; all further code should be timer-driven or event-driven
            Thread.Sleep(Timeout.Infinite);
        }