public void Draw(ScaledGraphics g)
{
//Try to be fast
g.Target.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
g.Target.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighSpeed;
g.Target.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
if (_PositionY == 0)
{
return;
}
_Image.UnlockBits(_LockedData);
try
{
var empty = DrawBitmapSection(g.Target, g.Rect, 0, _PositionY);
if (_WrapImage)
{
DrawBitmapSection(g.Target, empty, _PositionY, _Image.Height);
}
}
finally
{
_LockedData = _Image.LockBits(new Rectangle(0, 0, _Image.Width, _Image.Height),
ImageLockMode.WriteOnly, PixelFormat.Format32bppArgb);
}
}
public void Draw(ScaledGraphics g)
{
if (Source2 != null)
{
Source2(out var d1, out var d2);
RenderInternal(g, d1, d2);
}
else
{
RenderInternal(g, Source());
}
}
private void RenderInternal(ScaledGraphics g, float[] val, float[] val2 = null)
{
if (val.Length < 2)
{
return;
}
if (ScaleX == null)
{
ScaleX = DefaultScale;
}
if (ScaleY == null)
{
ScaleY = DefaultScale;
}
if (_PointBuffer == null || _PointBuffer.Length == 0)
{
ResizeBuffer(val.Length);
}
var left = g.Rect.X;
var top = g.Rect.Y;
var width = g.Rect.Width;
var height = g.Rect.Height;
var y0 = top;
var ystep = height;
CalculatePoints(val, left, width / (val.Length - 1), y0, ystep);
//Record
foreach (var w in DataReceivers)
{
w.WriteData(g.Rect, _PointBuffer, val2);
}
//X axis
g.Target.DrawLine(Pens.Gray, left, y0 + ystep, left + width, y0 + ystep);
//Draw
try
{
//In case of NaN/Inf
g.Target.DrawLines(Pens.Black, _PointBuffer);
}
catch
{
}
}
private void Target_Paint(object sender, PaintEventArgs e)
{
var g = e.Graphics;
g.Clear(Color.White);
var scaled = new ScaledGraphics {
Target = g
};
var region = Target.ClientRectangle;
scaled.Rect.X = region.Left + MarginLeft;
scaled.Rect.Y = region.Top + MarginTop;
scaled.Rect.Width = region.Width - MarginLeft - MarginRight;
scaled.Rect.Height = region.Height - MarginTop - MarginBottom;
foreach (var layer in Layers)
{
layer.Draw(scaled);
}
}
public void Draw(ScaledGraphics g)
{
this.g = g;
DrawAll();
}
