private void LayoutMark(ref Size sizeLabel, DialMarkContext context)
{
Shape shape;
Label label = null;
Style style = context.isMajor ? context.styleLarge : context.styleSmall;
bool isPoly = true;
if (style.TargetType == typeof(Polygon))
shape = new Polygon();
else
{
shape = new Ellipse();
isPoly = false;
}
shape.Style = style;
context.canvas.Children.Add(shape);
if (context.isMajor)
{
label = new Label();
label.Style = context.styleDialNumeral;
label.Content = context.labelValue.ToString();
label.Background = new SolidColorBrush(); // transparent
label.BorderThickness = new Thickness(0.0);
label.HorizontalContentAlignment = System.Windows.HorizontalAlignment.Center;
label.VerticalContentAlignment = System.Windows.VerticalAlignment.Center;
label.FontSize = context.dialNumeralFontSize;
}
Point outerPoint = PointOnEllipse(DialRadiusX, DialRadiusY, context.angle);
Point innerPoint = PointOnEllipse(context.radiusXInner, context.radiusYInner, context.angle);
Double eAngle = Math.Atan2(innerPoint.Y, innerPoint.X) * 180.0 / Math.PI;
Double outerLen = Math.Pow(Math.Pow(outerPoint.X, 2.0) + Math.Pow(outerPoint.Y, 2.0), 0.5);
Double innerLen = Math.Pow(Math.Pow(innerPoint.X, 2.0) + Math.Pow(innerPoint.Y, 2.0), 0.5);
Double adjustedWidth = outerLen - innerLen;
{
TransformGroup tGroup = new TransformGroup();
ScaleTransform stf = new ScaleTransform(context.dialMarkerScale * adjustedWidth / context.gaugeWidth, 1.0);
TranslateTransform ttf;
if (isPoly)
ttf = new TranslateTransform(-(outerLen - DialMarkerGapBase), 0.0);
else // unsue why this is needed for ellipse / circle
ttf = new TranslateTransform(-(outerLen - DialMarkerGapBase), - shape.Height / 2.0);
RotateTransform rtf = new RotateTransform(eAngle);
tGroup.Children.Add(stf);
tGroup.Children.Add(ttf);
tGroup.Children.Add(rtf);
shape.RenderTransform = tGroup;
AdjustDropShadow(shape, eAngle + Rotation);
//context.canvas.Children.Add(shape);
}
if (label != null)
{
context.canvas.Children.Add(label);
label.Measure(new Size(Double.MaxValue, Double.MaxValue));
label.Margin = new Thickness(0.0);
label.Padding = new Thickness(0.0);
sizeLabel = label.DesiredSize;
label.Width = sizeLabel.Width;
label.Height = sizeLabel.Height;
TransformGroup tGroup = new TransformGroup();
ScaleTransform stf = new ScaleTransform(adjustedWidth / context.gaugeWidth, 1.0);
RotateTransform rtf = new RotateTransform(-Rotation, sizeLabel.Width / 2.0 + 5.0, sizeLabel.Height / 2.0);
tGroup.Children.Add(stf);
tGroup.Children.Add(rtf);
label.RenderTransform = tGroup;
Point labelPoint =
PointOnEllipse(context.radiusXInner - (context.dialNumeralGap + sizeLabel.Width / 2.0),
context.radiusYInner - (context.dialNumeralGap + sizeLabel.Height / 2.5), context.angle);
label.SetValue(Canvas.TopProperty, -(labelPoint.Y + sizeLabel.Height / 2.0));
label.SetValue(Canvas.LeftProperty, -(labelPoint.X + 5.0 + sizeLabel.Width / 2.0));
if ((label.Effect != null)
&& (label.Effect.GetType() == typeof(DropShadowEffect)))
{
DropShadowEffect shadow = new DropShadowEffect();
shadow.Color = ((DropShadowEffect)shape.Effect).Color;
shadow.Opacity = ((DropShadowEffect)shape.Effect).Opacity;
shadow.BlurRadius = ((DropShadowEffect)shape.Effect).BlurRadius;
shadow.ShadowDepth = ((DropShadowEffect)shape.Effect).ShadowDepth;
shadow.Direction = DropShadowAngle;
label.Effect = shadow;
}
}
}
private void LayoutDialSection(bool isLeft, bool fullDial, ref Size sizeLabel, DialMarkContext context)
{
int marks;
int minorMarks = isLeft ? Scale1LeftMinorMarks : Scale1RightMinorMarks;
int scale1Multiplier = geometry.Scale1Multiplier;
Double majorIncrement;
Double minorIncrement;
if (isLeft)
marks = geometry.Scale1LeftMarks;
else
marks = geometry.Scale1RightMarks;
majorIncrement = fullDial ? DialArc / (marks) : DialArc / (2.0 * marks);
minorIncrement = majorIncrement / (minorMarks + 1);
if (DialReverse)
{
majorIncrement = -majorIncrement;
minorIncrement = -minorIncrement;
}
context.labelValue = (Double)(isLeft ? (geometry.Scale1Min / scale1Multiplier) :
(fullDial ? (geometry.Scale1Min / scale1Multiplier) : (geometry.Scale1Centre / scale1Multiplier)));
Double labelIncrement = (Double)(isLeft ? ((geometry.Scale1Centre - geometry.Scale1Min) / (scale1Multiplier * geometry.Scale1LeftMarks)) :
(fullDial ? ((geometry.Scale1Max - geometry.Scale1Min) / (scale1Multiplier * geometry.Scale1RightMarks)) :
((geometry.Scale1Max - geometry.Scale1Centre) / (scale1Multiplier * geometry.Scale1RightMarks))));
Double majorAngle = isLeft ? MinAngle : (fullDial ? MinAngle : 90.0);
if (DialReverse && (isLeft || fullDial))
majorAngle += DialArc;
// Start with a Major Mark
context.isMajor = true;
context.angle = majorAngle;
if (isLeft || fullDial)
LayoutMark(ref sizeLabel, context);
for (int iMajor = 0; iMajor < marks; iMajor++)
{
context.isMajor = false;
for (int iMinor = 1; iMinor <= minorMarks; iMinor++)
{
context.angle = majorAngle + (iMinor * minorIncrement);
LayoutMark(ref sizeLabel, context);
}
context.labelValue += labelIncrement;
majorAngle += majorIncrement;
context.angle = majorAngle;
context.isMajor = true;
LayoutMark(ref sizeLabel, context);
}
}
