private void PerformLayout(object sender, RoutedEventArgs e)
{
Point currentPosition = RenderTransform.Transform(new Point(0.0, 0.0));
double onScreenState = (currentPosition.Y - m_yPosInactive) / (m_yPosActive - m_yPosInactive);
MainWindow mainWindow = (MainWindow)Application.Current.MainWindow;
double screenHeight = mainWindow.ActualHeight;
double screenWidth = mainWindow.ActualWidth;
double viewHeight = ActualHeight;
double viewWidth = ActualWidth;
m_yPosActive = screenHeight * 0.5 - (viewHeight * 0.5 + ConversionHelpers.AndroidToWindowsDip(16));
m_yPosInactive = screenHeight * 0.5 + viewHeight * 0.5;
double layoutY = m_yPosInactive;
if (!m_isFirstLayout)
{
layoutY = onScreenState * (m_yPosActive - m_yPosInactive) + m_yPosInactive;
}
m_isFirstLayout = false;
var transform = new TranslateTransform(
-(viewWidth * 0.5 + ConversionHelpers.AndroidToWindowsDip(32)),
layoutY);
RenderTransform = transform;
}
public void UpdateHeading(float headingAngleRadians)
{
float verticalPointOffsetPx = ((float)m_compassPoint.Height * 0.5f) + 7.0f;
float theta = -headingAngleRadians;
float sinTheta = (float)Math.Sin(theta);
float cosTheta = (float)Math.Cos(theta);
float x = (float)(-m_compassPoint.Width * 0.5);
float y = (float)ConversionHelpers.AndroidToWindowsDip(-verticalPointOffsetPx);
float newX = x * cosTheta - y * sinTheta;
float newY = y * cosTheta + x * sinTheta;
var translateTransform = new TranslateTransform(
m_compassPointOffsetX + newX,
m_compassPointOffsetY + newY);
var rotateTransform = new RotateTransform(
-headingAngleRadians * 180 / Math.PI);
var transformGroup = new TransformGroup();
transformGroup.Children.Add(rotateTransform);
transformGroup.Children.Add(translateTransform);
m_compassPoint.RenderTransform = transformGroup;
m_compassPoint.Visibility = Visibility.Visible;
}
private void UpdateOrientationTransform(float headingAngleRadians)
{
float verticalPointOffsetPx = ((float)m_compassNew.Height * 0.5f) + 7.0f;
float theta = -headingAngleRadians;
float sinTheta = (float)Math.Sin(theta);
float cosTheta = (float)Math.Cos(theta);
float x = (float)(-m_compassNew.Width * 0.5);
float y = (float)ConversionHelpers.AndroidToWindowsDip(-verticalPointOffsetPx);
float newX = cosTheta * sinTheta;
float newY = cosTheta * sinTheta;
m_translateTransform.X = m_compassPointOffsetX + newX;
m_translateTransform.Y = m_compassPointOffsetY + newY;
m_rotateTransform.Angle = Rad2Deg(-headingAngleRadians);
}
private void PerformLayout(object sender, RoutedEventArgs e)
{
Point currentPosition = RenderTransform.Transform(new Point(0.0, 0.0));
MainWindow mainWindow = (MainWindow)Application.Current.MainWindow;
double screenHeight = mainWindow.MainGrid.ActualHeight;
double screenWidth = mainWindow.MainGrid.ActualWidth;
double viewHeight = ActualHeight;
double viewWidth = ActualWidth;
const double margin = 23.0;
m_yPosActive = screenHeight * 0.5 - (viewHeight * 0.5) - (margin);
m_yPosInactive = screenHeight * 0.5 + viewHeight * 0.5;
var transform = new TranslateTransform(
ConversionHelpers.AndroidToWindowsDip(32) + viewWidth * 0.5,
m_isActive ? m_yPosActive : m_yPosInactive);
RenderTransform = transform;
}