private void DrawBarSlice(int index, ref Graphics g)
{
BarSlice bar = barGraph.BarSliceCollection[index];
double width = barSliceWidth;
if (width > bar.MaxWidth)
{
width = bar.MaxWidth;
}
Pen gPen = new Pen(Color.Black, (float)0.03);
SolidBrush gBrush = new SolidBrush(barGraph.Color);
LinearGradientBrush lgBrush = null;
int startX = (int)((barSliceAllotedWidth * index) + (barSliceAllotedWidth / 2) - (width / 2));
Rectangle rect;
Rectangle shadowRect;
if (bar.GetType().Name != "MultipleBarSlice")
{
if (bar.Value >= 0)
{
rect =
new Rectangle((int)MappedXCoordinate(startX), (int)MappedYCoordinate(bar.Value), (int)width,
(int)((bar.Value * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2, (int)MappedYCoordinate(bar.Value) - 3,
(int)width, (int)((bar.Value * drawingAreaHeightPixels) / totalValue));
try
{
lgBrush = new LinearGradientBrush(rect, bar.Color, bar.ColorGradient, (float)(45 * (-1)), true);
}
catch
{
}
;
}
else
{
rect =
new Rectangle((int)MappedXCoordinate(startX), (int)MappedYCoordinate(0.0), (int)width,
(int)((bar.Value * (-1) * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2, (int)MappedYCoordinate(0.0) + 3, (int)width,
(int)((bar.Value * (-1) * drawingAreaHeightPixels) / totalValue));
try
{
lgBrush = new LinearGradientBrush(rect, bar.Color, bar.ColorGradient, (float)(45), true);
}
catch
{
}
;
}
if (lgBrush != null)
{
gBrush.Color = Color.LightGray;
g.FillRectangle(gBrush, shadowRect);
gBrush.Color = bar.Color;
//g.FillRectangle(gBrush, rect);
g.FillRectangle(lgBrush, rect);
g.DrawRectangle(gPen, rect);
}
}
else
{
MultipleBarSlice mbs = (MultipleBarSlice)bar;
if (mbs.PartialValues == null)
{
return;
}
if (mbs.PartialValues.Length == 0)
{
return;
}
if (barGraph.MultiBarDisplayStyle == MultiBarDisplayStyle.SeparateBars) // SeparateBars
{
double partialValue = 0;
double cumulativeValue = 0;
for (int i = 0; i < mbs.PartialValues.Length; i++)
{
partialValue = mbs.PartialValues[i];
cumulativeValue += mbs.PartialValues[i];
if (partialValue >= 0)
{
rect =
new Rectangle((int)MappedXCoordinate(startX + (i * width / mbs.PartialValues.Length)),
(int)MappedYCoordinate(partialValue),
(int)(width / mbs.PartialValues.Length),
(int)((partialValue * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX + (i * width / mbs.PartialValues.Length)) + 2,
(int)MappedYCoordinate(partialValue) - 3,
(int)(width / mbs.PartialValues.Length),
(int)((partialValue * drawingAreaHeightPixels) / totalValue));
}
else
{
rect =
new Rectangle((int)MappedXCoordinate(startX + (i * width / mbs.PartialValues.Length)),
(int)MappedYCoordinate(0), (int)(width / mbs.PartialValues.Length),
(int)((partialValue * (-1) * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX + (i * width / mbs.PartialValues.Length)) + 2,
(int)MappedYCoordinate(0) + 3, (int)(width / mbs.PartialValues.Length),
(int)((partialValue * (-1) * drawingAreaHeightPixels) / totalValue));
}
gBrush.Color = Color.LightGray;
g.FillRectangle(gBrush, shadowRect);
gBrush.Color = mbs.PartialColors[i];
g.FillRectangle(gBrush, rect);
g.DrawRectangle(gPen, rect);
} // for
} // if SeparateBars
else // SingleBar
{
double partialValue = 0;
double cumulativeValue = 0;
for (int i = 0; i < mbs.PartialValues.Length; i++)
{
partialValue = mbs.PartialValues[i];
cumulativeValue += mbs.PartialValues[i];
if (partialValue >= 0)
{
rect =
new Rectangle((int)MappedXCoordinate(startX), (int)MappedYCoordinate(cumulativeValue),
(int)width, (int)((partialValue * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2,
(int)MappedYCoordinate(cumulativeValue) - 3, (int)width,
(int)((partialValue * drawingAreaHeightPixels) / totalValue));
}
else
{
rect =
new Rectangle((int)MappedXCoordinate(startX),
(int)MappedYCoordinate(cumulativeValue - partialValue), (int)width,
(int)((partialValue * (-1) * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2,
(int)MappedYCoordinate(cumulativeValue - partialValue) + 3, (int)width,
(int)((partialValue * (-1) * drawingAreaHeightPixels) / totalValue));
}
gBrush.Color = Color.LightGray;
g.FillRectangle(gBrush, shadowRect);
gBrush.Color = mbs.PartialColors[i];
g.FillRectangle(gBrush, rect);
g.DrawRectangle(gPen, rect);
} // for
} // else SingleBar
} // else -> MultipleBarSlice
} // DrawBarSlice function
} // DrawBarSlice function
private void DrawText(int index, ref Graphics g)
{
// Set up Font
SolidBrush gBrush = new SolidBrush(Color.Black);
StringFormat format = new StringFormat(StringFormatFlags.NoClip);
float fontSize = (float)0.5 * (float)gridHeightPixels;
if (fontSize > (float)7.0)
{
fontSize = (float)7.0;
}
if (fontSize < (float)1.0)
{
fontSize = (float)1.0;
}
BarSlice bar = barGraph.BarSliceCollection[index];
double width = barSliceWidth;
if (width > bar.MaxWidth)
{
width = bar.MaxWidth;
}
Rectangle rect;
Rectangle shadowRect;
int startX = (int)((barSliceAllotedWidth * index) + (barSliceAllotedWidth / 2) - (width / 2));
if (bar.Value >= 0)
{
rect =
new Rectangle((int)MappedXCoordinate(startX), (int)MappedYCoordinate(bar.Value), (int)width,
(int)((bar.Value * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2, (int)MappedYCoordinate(bar.Value) - 3,
(int)width, (int)((bar.Value * drawingAreaHeightPixels) / totalValue));
if (barGraph.Alignment == Alignment.VerticalBottom)
{
//Draw Text
format.Alignment = StringAlignment.Far;
format.LineAlignment = StringAlignment.Center;
Point Middle = new Point(rect.Left + (int)(rect.Width / 2), rect.Bottom + 4);
g.TranslateTransform(Middle.X, Middle.Y);
g.RotateTransform((float)45.0 * -1);
g.DrawString(bar.Text, new Font("Tahoma", fontSize), gBrush, 0, 0, format);
g.RotateTransform((float)45.0);
g.TranslateTransform(-Middle.X, -Middle.Y);
}
else if (barGraph.Alignment == Alignment.HorizontalLeft)
{
//Draw Text
format.Alignment = StringAlignment.Far;
format.LineAlignment = StringAlignment.Center;
Point Middle = new Point(rect.Left + (int)(rect.Width / 2), rect.Bottom + 4);
g.TranslateTransform(Middle.X, Middle.Y);
g.RotateTransform((float)245.0);
g.DrawString(bar.Text, new Font("Tahoma", fontSize), gBrush, 0, 0, format);
g.RotateTransform((float)245.0 * -1);
g.TranslateTransform(-Middle.X, -Middle.Y);
}
}
else
{
rect =
new Rectangle((int)MappedXCoordinate(startX), (int)MappedYCoordinate(0.0), (int)width,
(int)((bar.Value * (-1) * drawingAreaHeightPixels) / totalValue));
shadowRect =
new Rectangle((int)MappedXCoordinate(startX) + 2, (int)MappedYCoordinate(0.0) + 3, (int)width,
(int)((bar.Value * (-1) * drawingAreaHeightPixels) / totalValue));
if (barGraph.Alignment == Alignment.VerticalBottom)
{
//Draw Text
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Center;
Point Middle = new Point(rect.Left + (int)(rect.Width / 2), rect.Top - 4);
g.TranslateTransform(Middle.X, Middle.Y);
g.RotateTransform((float)45.0 * -1);
g.DrawString(bar.Text, new Font("Tahoma", fontSize), gBrush, 0, 0, format);
g.RotateTransform((float)45.0);
g.TranslateTransform(-Middle.X, -Middle.Y);
}
else if (barGraph.Alignment == Alignment.HorizontalLeft)
{
//Draw Text
format.Alignment = StringAlignment.Near;
format.LineAlignment = StringAlignment.Center;
Point Middle = new Point(rect.Left + (int)(rect.Width / 2), rect.Top - 4);
g.TranslateTransform(Middle.X, Middle.Y);
g.RotateTransform((float)245.0);
g.DrawString(bar.Text, new Font("Tahoma", fontSize), gBrush, 0, 0, format);
g.RotateTransform((float)245.0 * -1);
g.TranslateTransform(-Middle.X, -Middle.Y);
}
}
}
/// <summary>
/// Determines whether [contains] [the specified value].
/// </summary>
/// <param name="value">The value.</param>
/// <returns>
/// <c>true</c> if [contains] [the specified value]; otherwise, <c>false</c>.
/// </returns>
public bool Contains(BarSlice value)
{
return(List.Contains(value));
}
/// <summary>
/// Adds the specified value.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
public int Add(BarSlice value)
{
return(List.Add(value));
}
/// <summary>
/// Removes the specified value.
/// </summary>
/// <param name="value">The value.</param>
public void Remove(BarSlice value)
{
List.Remove(value);
}
/// <summary>
/// Inserts the specified index.
/// </summary>
/// <param name="index">The index.</param>
/// <param name="value">The value.</param>
public void Insert(int index, BarSlice value)
{
List.Insert(index, value);
}
/// <summary>
/// Indexes the of.
/// </summary>
/// <param name="value">The value.</param>
/// <returns></returns>
public int IndexOf(BarSlice value)
{
return(List.IndexOf(value));
}