private void DrawLabel(Placement placement, string labelStr, double position, float labelPos, float rotateLabelAngle, Font font, Color color, bool rotateLabels, bool allowUpsideDown, FontUnit fontUnit)
{
float num = GetPositionFromValueNormalized(position);
if (rotateLabels)
{
rotateLabelAngle += num + 180f;
rotateLabelAngle %= 360f;
if (!allowUpsideDown && rotateLabelAngle > 90f && rotateLabelAngle < 270f)
{
rotateLabelAngle += 180f;
rotateLabelAngle %= 360f;
}
}
MarkerPosition markerPosition = new MarkerPosition((float)Math.Round(num), position, placement);
if (MarkerPosition.IsExistsInArray(labels, markerPosition))
{
return;
}
if (labelStr.Length > 0)
{
labels.Add(markerPosition);
}
GaugeGraphics graph = Common.Graph;
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Center;
using (Brush brush2 = new SolidBrush(color))
{
Font resizedFont = GetResizedFont(font, fontUnit);
try
{
SizeF relativeSize = graph.GetRelativeSize(graph.MeasureString(labelStr, resizedFont));
relativeSize.Height -= relativeSize.Height / 8f;
float contactPointOffset = Utils.GetContactPointOffset(relativeSize, num - rotateLabelAngle);
float offset = labelPos;
switch (placement)
{
case Placement.Inside:
offset = labelPos - Math.Max(0f, contactPointOffset);
break;
case Placement.Outside:
offset = labelPos + Math.Max(0f, contactPointOffset);
break;
}
PointF absolutePoint = graph.GetAbsolutePoint(GetPoint(num, offset));
relativeSize = graph.GetAbsoluteSize(relativeSize);
RectangleF layoutRectangle = new RectangleF(absolutePoint, new SizeF(0f, 0f));
layoutRectangle.Inflate(relativeSize.Width / 2f, relativeSize.Height / 2f);
Matrix transform = graph.Transform;
Matrix matrix = graph.Transform.Clone();
try
{
TextRenderingHint textRenderingHint = graph.TextRenderingHint;
try
{
if (textRenderingHint == TextRenderingHint.ClearTypeGridFit)
{
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
}
if (base.ShadowOffset != 0f)
{
using (Brush brush = graph.GetShadowBrush())
{
using (Matrix matrix2 = matrix.Clone())
{
matrix2.Translate(base.ShadowOffset, base.ShadowOffset);
matrix2.RotateAt(rotateLabelAngle, absolutePoint);
graph.Transform = matrix2;
graph.DrawString(labelStr, resizedFont, brush, layoutRectangle, stringFormat);
}
}
}
matrix.RotateAt(rotateLabelAngle, absolutePoint);
graph.Transform = matrix;
graph.DrawString(labelStr, resizedFont, brush2, layoutRectangle, stringFormat);
}
finally
{
graph.TextRenderingHint = textRenderingHint;
}
}
finally
{
matrix.Dispose();
graph.Transform = transform;
}
}
finally
{
if (resizedFont != font)
{
resizedFont.Dispose();
}
}
}
}
private void DrawLabel(Placement placement, string labelStr, double value, float labelPos, float rotateLabelAngle, Font font, Color color, FontUnit fontUnit)
{
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Near;
float num = GetPositionFromValue(value);
MarkerPosition markerPosition = new MarkerPosition((float)Math.Round(num), value, placement);
if (MarkerPosition.IsExistsInArray(labels, markerPosition))
{
return;
}
if (labelStr.Length > 0)
{
labels.Add(markerPosition);
}
GaugeGraphics graph = Common.Graph;
using (Brush brush2 = new SolidBrush(color))
{
Font resizedFont = GetResizedFont(font, fontUnit);
try
{
float num2 = 0f;
if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
num2 = 90f;
}
SizeF size = graph.MeasureString(labelStr, resizedFont);
float contactPointOffset = Utils.GetContactPointOffset(size, rotateLabelAngle - num2);
PointF absolutePoint = graph.GetAbsolutePoint(GetPoint(num, labelPos));
switch (placement)
{
case Placement.Inside:
if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
absolutePoint.X -= contactPointOffset;
}
else
{
absolutePoint.Y -= contactPointOffset;
}
break;
case Placement.Outside:
if (ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
absolutePoint.X += contactPointOffset;
}
else
{
absolutePoint.Y += contactPointOffset;
}
break;
}
RectangleF rectangleF = new RectangleF(absolutePoint, new SizeF(0f, 0f));
rectangleF.Inflate(size.Width / 2f, size.Height / 2f);
Matrix transform = graph.Transform;
Matrix matrix = graph.Transform.Clone();
try
{
if (rotateLabelAngle == 0f)
{
if (base.ShadowOffset != 0f)
{
using (Brush brush = graph.GetShadowBrush())
{
RectangleF layoutRectangle = rectangleF;
layoutRectangle.Offset(base.ShadowOffset, base.ShadowOffset);
graph.DrawString(labelStr, resizedFont, brush, layoutRectangle, stringFormat);
}
}
graph.DrawString(labelStr, resizedFont, brush2, rectangleF, stringFormat);
return;
}
TextRenderingHint textRenderingHint = graph.TextRenderingHint;
try
{
if (textRenderingHint == TextRenderingHint.ClearTypeGridFit)
{
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
}
if (base.ShadowOffset != 0f)
{
using (Brush brush3 = graph.GetShadowBrush())
{
using (Matrix matrix2 = matrix.Clone())
{
matrix2.Translate(base.ShadowOffset, base.ShadowOffset);
matrix2.RotateAt(rotateLabelAngle, absolutePoint);
graph.Transform = matrix2;
graph.DrawString(labelStr, resizedFont, brush3, rectangleF, stringFormat);
}
}
}
matrix.RotateAt(rotateLabelAngle, absolutePoint);
graph.Transform = matrix;
graph.DrawString(labelStr, resizedFont, brush2, rectangleF, stringFormat);
}
finally
{
graph.TextRenderingHint = textRenderingHint;
}
}
finally
{
matrix.Dispose();
graph.Transform = transform;
}
}
finally
{
if (resizedFont != font)
{
resizedFont.Dispose();
}
}
}
}