public void Transform(int x, int y, float scaleX, float scaleY)
{
this._transFormed = true;
this._oldMode = Win32.SetGraphicsMode(this._hdc, 2);
this._xForm = new Win32.XFORM(scaleX, 0f, 0f, scaleY, x * scaleX, y * scaleY);
Win32.SetWorldTransform(this._hdc, ref this._xForm);
//Trace.WriteLine(string.Format("Transform: {0},{1}", x, y));
}
public void EndTransform()
{
if (this._transFormed)
{
this._xForm = new Win32.XFORM(1f, 0f, 0f, 1f, 0f, 0f);
Win32.SetWorldTransform(this._hdc, ref this._xForm);
this._transFormed = false;
}
}
protected internal System.Drawing.Graphics SafeEndPaint()
{
this._safexForm = this._xForm;
this._safeTransformed = this._transFormed;
System.Drawing.Graphics graphics = this._graphics;
this.EndPaint();
if (this._safeTransformed)
{
graphics.Transform = new Matrix(this._safexForm.eM11, this._safexForm.eM12, this._safexForm.eM21, this._safexForm.eM22, this._safexForm.eDx, this._safexForm.eDy);
}
return(graphics);
}
protected internal void SafeBeginPaint(System.Drawing.Graphics gr)
{
if (this._safeTransformed)
{
gr.Transform = new Matrix(1f, 0f, 0f, 1f, 0f, 0f);
}
this.BeginPaint(gr);
if (this._safeTransformed)
{
this._xForm = this._safexForm;
Win32.SetWorldTransform(this._hdc, ref this._xForm);
this._transFormed = true;
}
}