//绘制左边速度（空速 ）矩形
private void RedrawSpeed()
{
Rectangle rectangle = new Rectangle();
rectangle.Width = 50;
rectangle.Height = 150;
rectangle.StrokeThickness = 2;
rectangle.Stroke = Brushes.White;
Canvas.SetTop(rectangle, -rectangle.Height / 2);
Canvas.SetLeft(rectangle, 0);
Canvas_ViewPortLeft.Children.Add(rectangle);
double from = AirSpeed - AirSpeed % 5 + 15;
if (from < 25)
{
from = 25;
}
double space = (rectangle.Height - 20) / 5;
for (int i = 0; i < 6; i++)
{
Line li = new Line();
li.X1 = rectangle.Width;
li.Y1 = -rectangle.Height / 2 + 10 + space * i;
li.X2 = li.X1 - 10;
li.Y2 = li.Y1;
li.StrokeThickness = 2;
li.Stroke = Brushes.White;
Canvas_ViewPortLeft.Children.Add(li);
BorderTextLabel texti = new BorderTextLabel();
texti.Width = 22;
texti.Stroke = Brushes.DimGray;
texti.HorizontalContentAlignment = HorizontalAlignment.Right;
texti.Text = (from - i * 5).ToString("##0");
texti.Foreground = Brushes.White;
texti.FontSize = 16;
texti.FontWeight = FontWeights.Bold;
Canvas.SetLeft(texti, li.X2 - texti.Width - 4);
Canvas.SetTop(texti, li.Y1 - 10);
Canvas_ViewPortLeft.Children.Add(texti);
}
TextBlock textblock = new TextBlock();
textblock.Width = 30;
textblock.Padding = new Thickness(2, 0, 0, 0);
textblock.TextAlignment = TextAlignment.Left;
textblock.Text = AirSpeed.ToString("##0.#");
textblock.Foreground = Brushes.White;
textblock.Background = Brushes.Red;
textblock.FontSize = 12;
textblock.FontWeight = FontWeights.Bold;
double offset = (from - AirSpeed) / 25 * (rectangle.Height - 20) - rectangle.Height / 2 + 10;
Canvas.SetTop(textblock, offset - 8);
Canvas.SetLeft(textblock, 0);
Canvas_ViewPortLeft.Children.Add(textblock);
}
private void RedrawOthersInfoText()
{
BorderTextLabel airspeedlabel = new BorderTextLabel();
airspeedlabel.Stroke = Brushes.DimGray;
airspeedlabel.Foreground = Brushes.White;
airspeedlabel.FontSize = 14;
airspeedlabel.FontWeight = FontWeights.Bold;
airspeedlabel.Text = "空速 " + AirSpeed.ToString("0.0");
Canvas.SetLeft(airspeedlabel, 4);
Canvas.SetTop(airspeedlabel, 80);
Canvas_ViewPortLeft.Children.Add(airspeedlabel);
BorderTextLabel groundspeedlabel = new BorderTextLabel();
groundspeedlabel.Stroke = Brushes.DimGray;
groundspeedlabel.Foreground = Brushes.White;
groundspeedlabel.FontSize = 14;
groundspeedlabel.FontWeight = FontWeights.Bold;
groundspeedlabel.Text = "地速 " + GroundSpeed.ToString("0.0");
Canvas.SetLeft(groundspeedlabel, 4);
Canvas.SetTop(groundspeedlabel, 100);
Canvas_ViewPortLeft.Children.Add(groundspeedlabel);
BorderTextLabel batteryabel = new BorderTextLabel();
batteryabel.Stroke = Brushes.DimGray;
batteryabel.Foreground = Brushes.White;
batteryabel.FontSize = 14;
batteryabel.FontWeight = FontWeights.Bold;
batteryabel.Text = string.Format("电池 {0} v {1} A {2}%", Voltage.ToString("0.00"), Galvanic.ToString("0.0"), BatteryPercent * 100);
Canvas.SetLeft(batteryabel, 10);
Canvas.SetTop(batteryabel, 130);
Canvas_ViewPortLeft.Children.Add(batteryabel);
if (HasEKF)
{
BorderTextLabel ekflabel = new BorderTextLabel();
ekflabel.Stroke = Brushes.DimGray;
ekflabel.Foreground = Brushes.White;
ekflabel.FontSize = 14;
ekflabel.FontWeight = FontWeights.Bold;
ekflabel.Text = "EKF";
Canvas.SetLeft(ekflabel, 200);
Canvas.SetTop(ekflabel, 130);
Canvas_ViewPortLeft.Children.Add(ekflabel);
}
if (HasVibe)
{
BorderTextLabel vibelabel = new BorderTextLabel();
vibelabel.Stroke = Brushes.DimGray;
vibelabel.Foreground = Brushes.Red;
vibelabel.FontSize = 14;
vibelabel.FontWeight = FontWeights.Bold;
vibelabel.Text = "Vibe";
Canvas.SetLeft(vibelabel, 250);
Canvas.SetTop(vibelabel, 130);
Canvas_ViewPortLeft.Children.Add(vibelabel);
}
BorderTextLabel gpslabel = new BorderTextLabel();
gpslabel.Stroke = Brushes.DimGray;
gpslabel.Foreground = Brushes.Red;
gpslabel.FontSize = 14;
gpslabel.FontWeight = FontWeights.Bold;
string s = HasGPS ? "有GPS" : "无GPS";
gpslabel.Text = "GPS: " + s;
Canvas.SetLeft(gpslabel, 300);
Canvas.SetTop(gpslabel, 130);
Canvas_ViewPortLeft.Children.Add(gpslabel);
BorderTextLabel flytimelabel = new BorderTextLabel();
flytimelabel.Stroke = Brushes.DimGray;
flytimelabel.Foreground = Brushes.White;
flytimelabel.FontSize = 14;
flytimelabel.FontWeight = FontWeights.Bold;
flytimelabel.Text = new TimeSpan(FlyTime).ToString(@"hh\:mm\:ss");
Canvas.SetLeft(flytimelabel, -80);
Canvas.SetTop(flytimelabel, -110);
Canvas_ViewPortRight.Children.Add(flytimelabel);
}
private void DrawLeftScale(Graphics g, RectangleF screenRect)
{
var middleX = screenRect.Left + screenRect.Width / 2.0f;
var middleY = screenRect.Top + screenRect.Height / 2.0f;
var halfHeight = screenRect.Height / 2.0f;
var leftScaleRight = middleX - WingsThickness * 20.0f - 15;
var scaleDim = new SolidBrush(Color.FromArgb(100, Color.Gray));
var borderPen = new Pen(Color.FromArgb(200, Color.Gray));
using (var p = new PointF(leftScaleRight, middleY)
.StartDrawing()
.MoveRel(0, -15)
.MoveRel(-12, 0)
.MoveRel(0, -halfHeight + 30)
.MoveRel(-30, 0)
.MoveRel(0, halfHeight - 30)
.MoveRel(-12, 0)
.MoveRel(0, 30)
.MoveRel(12, 0)
.MoveRel(0, halfHeight - 30)
.MoveRel(30, 0)
.MoveRel(0, -halfHeight + 30)
.MoveRel(12, 0)
.MoveRel(0, -15)
.ConvertToPath())
{
p.CloseFigure();
g.FillPath(scaleDim, p);
g.DrawPath(borderPen, p);
}
var middleText = leftScaleRight - 27;
var value = AirSpeed.ToString(AirSpeedFormat);
var airSpeedColor = (AirSpeed > AirSpeedSafetyTop || AirSpeed < AirSpeedSafetyBottom) ? AirSpeedColorWarn : ScaleNormalColor;
using (var p = new PointF(leftScaleRight + 5, middleY)
.StartDrawing()
.MoveRel(-5, -5)
.MoveRel(0, -10)
.MoveRel(-54, 0)
.MoveRel(0, 30)
.MoveRel(54, 0)
.MoveRel(0, -10)
.MoveRel(5, -5)
.ConvertToPath())
{
p.CloseFigure();
g.DrawPath(new Pen(airSpeedColor), p);
}
var counter = 1;
var normalBrush = new SolidBrush(ScaleNormalColor);
var safetyBad = new HatchBrush(HatchStyle.WideUpwardDiagonal, Color.Orange, Color.Black);
var safetyGood = new SolidBrush(Color.Green);
var normalPen = new Pen(ScaleNormalColor);
var middleOfScaleLeft = leftScaleRight - 12;
for (float up = middleY - 30, down = middleY + 30; up > screenRect.Top + 20; up -= 25, down += 25, counter++)
{
var valUp = AirSpeed + counter * AirSpeedStep;
var valDown = AirSpeed - counter * AirSpeedStep;
var sUp = valUp.ToString(AirSpeedFormat);
var sDown = valDown.ToString(AirSpeedFormat);
var sizeUp = g.MeasureString(sUp, ScaleFontSmall);
var sizeDown = g.MeasureString(sDown, ScaleFontSmall);
g.DrawString(sUp, ScaleFontSmall, normalBrush, middleText - sizeUp.Width / 2.0f, up - sizeUp.Height / 2.0f);
g.DrawString(sDown, ScaleFontSmall, normalBrush, middleText - sizeDown.Width / 2.0f, down - sizeDown.Height / 2.0f);
g.DrawLine(normalPen, middleOfScaleLeft, up, middleOfScaleLeft - 3, up);
g.DrawLine(normalPen, middleOfScaleLeft, down, middleOfScaleLeft - 3, down);
var bUp = (valUp > AirSpeedSafetyTop || valUp < AirSpeedSafetyBottom) ? (Brush)safetyBad : safetyGood;
var bDown = (valDown > AirSpeedSafetyTop || valDown < AirSpeedSafetyBottom) ? (Brush)safetyBad : safetyGood;
g.FillRectangle(bUp, middleOfScaleLeft, up - 15, 5, 30);
g.FillRectangle(bDown, middleOfScaleLeft, down - 15, 5, 30);
}
g.FillRectangle(Brushes.Black, middleOfScaleLeft - 29, middleY + halfHeight - 35, 29, 19);
g.FillRectangle(Brushes.Black, middleOfScaleLeft - 29, middleY - halfHeight + 15, 29, 19);
var sizeU = g.MeasureString(AirSpeedUnits, ScaleFontSmall);
g.DrawString(AirSpeedUnits, ScaleFontSmall, Brushes.White, middleText - sizeU.Width / 2.0f, middleY + halfHeight - 27 - sizeU.Height / 2.0f);
sizeU = g.MeasureString("TAS", ScaleFontSmall);
g.DrawString("TAS", ScaleFontSmall, Brushes.White, middleText - sizeU.Width / 2.0f, middleY - halfHeight + 24 - sizeU.Height / 2.0f);
var size = g.MeasureString(value, ScaleFontBig);
using (var p = new PointF(leftScaleRight + 4, middleY)
.StartDrawing()
.MoveRel(-5, -5)
.MoveRel(0, -9)
.MoveRel(-52, 0)
.MoveRel(0, 29)
.MoveRel(52, 0)
.MoveRel(0, -9)
.MoveRel(4, -4)
.ConvertToPath())
{
p.CloseFigure();
g.FillPath(Brushes.Black, p);
}
g.DrawString(value, ScaleFontBig, new SolidBrush(airSpeedColor), middleText - size.Width / 2.0f, middleY - size.Height / 2.0f);
}
