public static bool IsExistsInArray(ArrayList array, MarkerPosition markerPos)
{
foreach (MarkerPosition item in array)
{
if (markerPos.position == item.position)
{
return(markerPos.placement == item.placement);
}
}
return(false);
}
public static double Snap(ArrayList array, double value)
{
for (int i = 0; i < array.Count - 1; i++)
{
MarkerPosition markerPosition = (MarkerPosition)array[i];
MarkerPosition markerPosition2 = (MarkerPosition)array[i + 1];
if (markerPosition.value <= value && value <= markerPosition2.value)
{
if (markerPosition2.value - value < value - markerPosition.value)
{
return(markerPosition2.value);
}
return(markerPosition.value);
}
}
return(value);
}
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 = this.GetPositionFromValueNormalized(position);
if (rotateLabels)
{
rotateLabelAngle = (float)(rotateLabelAngle + (num + 180.0));
rotateLabelAngle = (float)(rotateLabelAngle % 360.0);
if (!allowUpsideDown && rotateLabelAngle > 90.0 && rotateLabelAngle < 270.0)
{
rotateLabelAngle = (float)(rotateLabelAngle + 180.0);
rotateLabelAngle = (float)(rotateLabelAngle % 360.0);
}
}
MarkerPosition markerPosition = new MarkerPosition((float)Math.Round((double)num), position, placement);
if (!MarkerPosition.IsExistsInArray(base.labels, markerPosition))
{
if (labelStr.Length > 0)
{
base.labels.Add(markerPosition);
}
GaugeGraphics graph = this.Common.Graph;
StringFormat stringFormat = new StringFormat();
stringFormat.Alignment = StringAlignment.Center;
stringFormat.LineAlignment = StringAlignment.Center;
using (Brush brush2 = new SolidBrush(color))
{
Font resizedFont = base.GetResizedFont(font, fontUnit);
try
{
SizeF sizeF = graph.GetRelativeSize(graph.MeasureString(labelStr, resizedFont));
sizeF.Height -= (float)(sizeF.Height / 8.0);
float contactPointOffset = Utils.GetContactPointOffset(sizeF, 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(this.GetPoint(num, offset));
sizeF = graph.GetAbsoluteSize(sizeF);
RectangleF layoutRectangle = new RectangleF(absolutePoint, new SizeF(0f, 0f));
layoutRectangle.Inflate((float)(sizeF.Width / 2.0), (float)(sizeF.Height / 2.0));
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 != 0.0)
{
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 = this.GetPositionFromValue(value);
MarkerPosition markerPosition = new MarkerPosition((float)Math.Round((double)num), value, placement);
if (!MarkerPosition.IsExistsInArray(base.labels, markerPosition))
{
if (labelStr.Length > 0)
{
base.labels.Add(markerPosition);
}
GaugeGraphics graph = this.Common.Graph;
using (Brush brush2 = new SolidBrush(color))
{
Font resizedFont = base.GetResizedFont(font, fontUnit);
try
{
float num2 = 0f;
if (this.ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
num2 = 90f;
}
SizeF size = graph.MeasureString(labelStr, resizedFont);
float contactPointOffset = Utils.GetContactPointOffset(size, rotateLabelAngle - num2);
PointF absolutePoint = graph.GetAbsolutePoint(this.GetPoint(num, labelPos));
switch (placement)
{
case Placement.Inside:
if (this.ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
absolutePoint.X -= contactPointOffset;
}
else
{
absolutePoint.Y -= contactPointOffset;
}
break;
case Placement.Outside:
if (this.ParentGauge.GetOrientation() == GaugeOrientation.Vertical)
{
absolutePoint.X += contactPointOffset;
}
else
{
absolutePoint.Y += contactPointOffset;
}
break;
}
RectangleF rectangleF = new RectangleF(absolutePoint, new SizeF(0f, 0f));
rectangleF.Inflate((float)(size.Width / 2.0), (float)(size.Height / 2.0));
Matrix transform = graph.Transform;
Matrix matrix = graph.Transform.Clone();
try
{
if (rotateLabelAngle == 0.0)
{
if (base.ShadowOffset != 0.0)
{
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);
}
else
{
TextRenderingHint textRenderingHint = graph.TextRenderingHint;
try
{
if (textRenderingHint == TextRenderingHint.ClearTypeGridFit)
{
graph.TextRenderingHint = TextRenderingHint.AntiAlias;
}
if (base.ShadowOffset != 0.0)
{
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();
}
}
}
}
}
