private void Draw(Gdi::Graphics g)
{
if (this.bmp != null)
{
//g.DrawLine(Gdi::Pens.Blue,0,0,100,100);
/*
* g.DrawImageUnscaledAndClipped(
* bmp,
* new Gdi::Rectangle(0,0,this.Width,this.Height)
* );
* //*/
g.Clear(this.BackColor);
g.DrawImage(this.bmp, rcDest, rcSrc, Gdi::GraphicsUnit.Pixel);
}
}
protected override void WndProc(ref System.Windows.Forms.Message m)
{
base.WndProc(ref m);
if (m.Result == (System.IntPtr) 0)
{
return;
}
if (m.Msg == (int)mwg.Win32.WM.PAINT)
{
Gdi::Graphics g = this.CreateGraphics();
g.Clear(Gdi::Color.Red);
g.Dispose();
m.Result = (System.IntPtr) 0;
}
}
void UpdatePictureImage()
{
if (this.targetImage != null && this.backImage != null)
{
using (Gdi::Graphics g = Gdi::Graphics.FromImage(this.backImage)){
double sx = (double)this.targetImage.Width / this.backImage.Width;
double sy = (double)this.targetImage.Height / this.backImage.Height;
double s = System.Math.Max(sx, sy) * 1.2;
float x = (float)System.Math.Round(0.5 * (this.backImage.Width - this.targetImage.Width / s));
float y = (float)System.Math.Round(0.5 * (this.backImage.Height - this.targetImage.Height / s));
float w = (float)System.Math.Round(this.targetImage.Width / s);
float h = (float)System.Math.Round(this.targetImage.Height / s);
g.Clear(Gdi::Color.Transparent);
g.DrawImage(this.targetImage, x, y, w, h);
this.deform.SetRectangle(x, y, w, h);
this.deform.imageWidth = this.targetImage.Width;
this.deform.imageHeight = this.targetImage.Height;
this.deform.Draw(this.foreGraphics);
}
}
}
public void Draw(Gdi::Graphics g)
{
g.Clear(Gdi::Color.Transparent);
g.DrawLine(Gdi::Pens.Blue, this.p1.ToPointF(), this.q1.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p2.ToPointF(), this.q1.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p2.ToPointF(), this.q2.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p3.ToPointF(), this.q2.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p3.ToPointF(), this.q3.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p4.ToPointF(), this.q3.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p4.ToPointF(), this.q4.ToPointF());
g.DrawLine(Gdi::Pens.Blue, this.p1.ToPointF(), this.q4.ToPointF());
DrawBezier(g, this.p1, this.q1, this.p2);
DrawBezier(g, this.p2, this.q2, this.p3);
DrawBezier(g, this.p3, this.q3, this.p4);
DrawBezier(g, this.p4, this.q4, this.p1);
DrawControlPoint(g, this.p1);
DrawControlPoint(g, this.p2);
DrawControlPoint(g, this.p3);
DrawControlPoint(g, this.p4);
DrawControlPoint(g, this.q1);
DrawControlPoint(g, this.q2);
DrawControlPoint(g, this.q3);
DrawControlPoint(g, this.q4);
}
