public override void PaintCell(Graphics g, Rectangle r, FarPoint.Win.Spread.Appearance appearance, object value, bool isSelected, bool isLocked, float zoomFactor)
{
if (value is ChartPainter)
{
ChartPainter chartPainter = value as ChartPainter;
IPainter Painter = chartPainter as IPainter;
Image image = Painter.Paint(r.Width, r.Height);
g.DrawImage(image, r.X, r.Y, r.Width, r.Height);
}
else
{
appearance.HorizontalAlignment = CellHorizontalAlignment.Center;
appearance.VerticalAlignment = CellVerticalAlignment.Center;
base.PaintCell(g, r, appearance, Resource.图表类型, isSelected, isLocked, zoomFactor);
}
}
public override Control GetEditorControl(FarPoint.Win.Spread.Appearance appearance, float zoomFactor)
{
textBox.BorderStyle = BorderStyle.None;
return(textBox);
}
private void DrawingSlash(System.Drawing.Graphics g, System.Drawing.Rectangle r, FarPoint.Win.Spread.Appearance appearance, Slash Slash)
{
using (Brush brush = new SolidBrush(appearance.ForeColor))
{
g.SmoothingMode = SmoothingMode.HighQuality;
g.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAliasGridFit;
Brush BackColorBrush = new SolidBrush(appearance.BackColor);
g.FillRectangle(BackColorBrush, r);
BackColorBrush.Dispose();
Pen myPen = new System.Drawing.Pen(Color.Black);
int count = 0;
float Angle, radians;
int rightX, rightY;
Slash slash = Slash;
string[] sArray = slash.Text.Split('|');
if (sArray.Length != 0)
{
count = sArray.Length - 1;
}
int sum = count + 1;
if (slash.RotationStyle == RotationStyle.Counterclockwise)
{
if (count == 1)
{
g.DrawLine(myPen, r.X, r.Y + r.Height, r.X + r.Width, r.Y);
}
else if (count == 2)
{
g.DrawLine(myPen, r.X, r.Y + r.Height, r.X + (2.0f / 3) * r.Width, r.Y);
g.DrawLine(myPen, r.X, r.Y + r.Height, r.X + r.Width, r.Y + (1.0f / 3) * r.Height);
}
else if (count > 2)
{
float height;
for (int j = 1; j <= count; j++)
{
Angle = (90 / sum) * j;
height = r.Width / (float)(Math.Tan(Angle * Math.PI / 180.0f));
rightX = r.X + r.Width;
rightY = r.Y + (int)height;
g.DrawLine(myPen, r.X, r.Y, rightX, rightY);
}
}
for (int i = 0; i < sArray.Length; i++)
{
if (i == 0)
{
Rectangle _rect = new Rectangle(r.X, r.Y, Convert.ToInt32(((sum - count + 1.0f) / sum) * (r.Width / sum)), Convert.ToInt32(count * 1.0 / sum * r.Height));
g.DrawString(sArray[i], appearance.Font, brush, _rect, strFormat);
}
else if (i == sArray.Length - 1)
{
Rectangle _rect = new Rectangle(Convert.ToInt32(r.X + (1.0f / sum) * r.Width), Convert.ToInt32(r.Y + r.Height - 1.0f / sum * r.Height), Convert.ToInt32((sum - count * 1.0f) * r.Width / sum), Convert.ToInt32((sum - count * 1.0f) / sum * r.Height));
g.DrawString(sArray[i], appearance.Font, brush, _rect, strFormat);
}
else
{
if (count == 2)
{
radians = Convert.ToSingle(Math.Atan(r.Height * 1.0 / r.Width));
Angle = Convert.ToSingle(radians * 180 / Math.PI);
}
else
{
Angle = (1 + 2 * i) * (45.0f / (count + 1));
}
g.TranslateTransform(r.X + 3, r.Y + r.Height - 7);
g.RotateTransform(-(float)Angle);
g.DrawString(sArray[i], appearance.Font, brush, r.Width / 3f, 0);
g.ResetTransform();
}
}
}
else
{
if (count == 1)
{
g.DrawLine(myPen, r.X, r.Y, r.X + r.Width, r.Y + r.Height);
}
else if (count == 2)
{
g.DrawLine(myPen, r.X, r.Y, r.X + (2.0f / 3) * r.Width, r.Y + r.Height);
g.DrawLine(myPen, r.X, r.Y, r.X + r.Width, r.Y + (2.0f / 3) * r.Height);
}
else if (count > 2)
{
float height;
for (int j = 1; j <= count; j++)
{
Angle = (90 / sum) * j;
height = r.Width / (float)(Math.Tan(Angle * Math.PI / 180.0f));
rightX = r.X + r.Width;
rightY = r.Y + (int)height;
g.DrawLine(myPen, r.X, r.Y, rightX, rightY);
}
}
for (int i = 0; i < sArray.Length; i++)
{
if (i == 0)
{
Rectangle _rect = new Rectangle(Convert.ToInt32(r.X + r.Width / sum * 1.0), r.Y, Convert.ToInt32(count * r.Width / sum * 1.0), Convert.ToInt32(((sum - count + 1.0f) / sum) * (r.Height / sum)));
g.DrawString(sArray[i], appearance.Font, brush, _rect, strFormat);
}
else if (i == sArray.Length - 1)
{
Rectangle _rect = new Rectangle(r.X, Convert.ToInt32(r.Y + r.Height / sum * 1.0), Convert.ToInt32((sum - count + 1.0f) * r.Width / sum / sum), Convert.ToInt32(count * 1.0 * r.Height / sum));
g.DrawString(sArray[i], appearance.Font, brush, _rect, strFormat);
}
else
{
if (count == 2)
{
radians = Convert.ToSingle(Math.Atan(r.Height * 1.0 / r.Width));
Angle = Convert.ToSingle(radians * 180 / Math.PI);
}
else
{
Angle = (1 + 2 * i) * (45 / (count + 1));
}
g.TranslateTransform(r.X + 3, r.Y - 4);
g.RotateTransform((float)Angle);
g.DrawString(sArray[i], appearance.Font, brush, r.Width / 2.8f, 0);
g.ResetTransform();
}
}
}
myPen.Dispose();
}
}
public override void PaintCell(System.Drawing.Graphics g, System.Drawing.Rectangle r, FarPoint.Win.Spread.Appearance appearance, object value, bool isSelected, bool isLocked, float zoomFactor)
{
if (value is Slash)
{
Slash Slash = value as Slash;
DrawingSlash(g, r, appearance, Slash);
return;
}
base.PaintCell(g, r, appearance, value, isSelected, isLocked, zoomFactor);
}