public void Draw(GTranslator gt, bool EraseBkGnd)
{
if (!tabulated)
{
return; // ?
}
if (EraseBkGnd)
{
gt.Clear(CurrentColorSchema.backgroundColor);
}
DrawCoordinateSystem(gt);
DrawGraphic(gt);
}
public virtual void DrawCoordinateSystem(GTranslator gt)
{
float m_zoom_x = gt.zoom.X;
float m_zoom_y = gt.zoom.Y;
float ox = gt.Ox;
float oy = gt.Oy;
Pen GridPen = new Pen(CurrentColorSchema.gridColor, 0f);
GridPen.DashStyle = DashStyle.Solid;
Pen AxePen = new Pen(CurrentColorSchema.axesColor,
2 / (m_zoom_x > m_zoom_y ?
m_zoom_y : m_zoom_x));
StringFormat stringFormatX = new StringFormat();
StringFormat stringFormatY = new StringFormat();
stringFormatX.LineAlignment = StringAlignment.Center;
stringFormatY.LineAlignment = StringAlignment.Center;
stringFormatX.Alignment = StringAlignment.Far;
//stringFormatX.FormatFlags = StringFormatFlags..DirectionVertical;
Font font = new Font("Arial", 8, FontStyle.Regular);
int x1, x2, y1, y2;
//x1 = gt.VisibleClipBounds.Left;
//x2 = gt.VisibleClipBounds.Right;
//y1 = gt.VisibleClipBounds.Top;
//y2 = gt.VisibleClipBounds.Bottom;
x1 = 0; x2 = 240; y1 = 0; y2 = 320;
#region Grid and text
float dx = 30f, dy = 30f;// шаг сетки
float textX = -(ox - 3);
float textY = -oy + gt.VisibleClipBounds.Height;
for (float x = (float)(int)Math.Ceiling(x1 / dx) * dx; x < x2; x += dx)
{
string label = x.ToString("#0.###");
gt.DrawLine(GridPen, x, y1, x, y2);
gt.DrawString(label, font, Color.Black,
new PointF(x, textY), stringFormatX);
}
for (float y = (float)(int)Math.Ceiling(y1 / dy) * dy; y < y2; y += dy)
{
gt.DrawString((y).ToString("#0.####"), font, Color.Black,
new PointF(textX, -y), stringFormatY);
gt.DrawLine(GridPen, x1, -y, x2, -y);
}
#endregion
#region Axes
gt.g.DrawLine(AxePen, x1, 0, x2, 0);
gt.g.DrawLine(AxePen, x2 - 6, 0 - 3, x2, 0);
gt.g.DrawLine(AxePen, x2 - 6, 0 + 3, x2, 0);
gt.g.DrawLine(AxePen, 0, y1, 0, y2);
gt.g.DrawLine(AxePen, 0, y1, 0 - 3, y1 + 6);
gt.g.DrawLine(AxePen, 0, y1, 0 + 3, y1 + 6);
AxePen.Width = 0;
gt.g.DrawLine(AxePen, x1, y2 - 1, x2, y2 - 1);
gt.g.DrawLine(AxePen, x1, y1, x1, y2);
#endregion
}
public virtual void DrawGraphic(GTranslator gt)
{
float m_zoom = gt.zoom.X;
Pen pen = new Pen(penColor, penWidth / m_zoom);
//g.SmoothingMode = SmoothingMode.HighQuality;
switch (drawingMode)
{
/*
* case DrawModes.DrawLines:
#region For each ( PointF[] segment in graphic ) check visibility and draw
* foreach (PointF[] segment in graphic)
* {
* for (int i = 0; i < segment.Length - 1; i++)
* {
* PointF pt1 = segment[i];
* PointF pt2 = segment[i + 1];
*
* if (g.ClipBounds.Left > pt1.X)
* pt1.X = g.ClipBounds.Left;
*
* if (g.ClipBounds.Right < pt1.X)
* pt1.X = g.ClipBounds.Right;
*
* if (g.ClipBounds.Top > pt1.Y)
* pt1.Y = g.ClipBounds.Top;
*
* if (g.ClipBounds.Bottom < pt1.Y)
* pt1.Y = g.ClipBounds.Bottom;
*
* if (g.ClipBounds.Left > pt2.X)
* pt2.X = g.ClipBounds.Left;
*
* if (g.ClipBounds.Right < pt2.X)
* pt2.X = g.ClipBounds.Right;
*
* if (g.ClipBounds.Top > pt2.Y)
* pt2.Y = g.ClipBounds.Top;
*
* if (g.ClipBounds.Bottom < pt2.Y)
* pt2.Y = g.ClipBounds.Bottom;
*
* g.DrawLine(pen, pt1.X, pt1.Y, pt2.X, pt2.Y);
* }
* }
#endregion
* break;
*/
case DrawModes.DrawPoints:
float dotWidth = pen.Width;
foreach (PointF[] segment in graphic)
{
for (int i = 0; i < segment.Length; i++)
{
gt.DrawEllipse(pen,
segment[i].X - dotWidth / 2f, segment[i].Y - dotWidth / 2f,
dotWidth, dotWidth);
}
}
break;
case DrawModes.DrawFilledPolygon:
SolidBrush brush = new SolidBrush(pen.Color);
Pen pen1 = (Pen)pen.Clone();
pen1.Width = 2f / m_zoom;
foreach (PointF[] segment in graphic)
{
if (segment.Length < 2)
{
continue;
}
gt.FillPolygon(brush, segment);
gt.DrawPolygon(pen1, segment);
}
break;
}
}
public void Draw(GTranslator gt)
{
Draw(gt, true);
}