I wrote this class
class CLine
{
public float sX,sY,dX,dY,m,x ,y;
public void Draw (PaintEventArgs g)
{
//Graphics g = this.CreateGrap hics
();
Bitmap bm=new Bitmap(1,1);
bm.SetPixel(0,0 ,Color.Black);
m = (dY-sY)/(dX-sX);
if (m<=1)
{
for (x=sX;x<=dX;x++ )
{
y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x)
+512,-1*Convert.ToInt 32(Math.Round(y ))+384);
}
}
else
{
for (y=sY;y<=dY;y++ )
{
x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32
(Math.Round(x)) +512,-1*Convert.ToInt 32(y)+384);
}
}
}
}
What should I do if I wanna call Draw method? I've tried
below code but it doesn't work.
CLine first = new CLine();
first.sX = 0; first.sY = 0; first.dX = 300; first.dY = -
500;
first.Draw(); <== Problem's here!
Thank in advance for your help. 6 1766
The only problem I see here is that you call method
public void Draw (PaintEventArgs g)
without a PaintEventArgs object: first.Draw() ; <== Problem's here!
Hans.
-----Original Message----- I wrote this class
class CLine { public float sX,sY,dX,dY,m,x ,y; public void Draw (PaintEventArgs g) { //Graphics g = this.CreateGrap hics (); Bitmap bm=new Bitmap(1,1); bm.SetPixel(0,0 ,Color.Black); m = (dY-sY)/(dX-sX); if (m<=1) { for (x=sX;x<=dX;x++ ) { y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x) +512,-1*Convert.ToInt 32(Math.Round(y ))+384); } } else { for (y=sY;y<=dY;y++ ) { x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32 (Math.Round(x) )+512,-1*Convert.ToInt 32(y)+384); } } } }
What should I do if I wanna call Draw method? I've tried below code but it doesn't work.
CLine first = new CLine(); first.sX = 0; first.sY = 0; first.dX = 300; first.dY = - 500; first.Draw() ; <== Problem's here!
Thank in advance for your help. .
which is the problem ? do you got an error ?
class CLine has no constructor, you could create a constructor an pass your
members value through it...
"John" <an*******@disc ussions.microso ft.com> ha scritto nel messaggio
news:09******** *************** *****@phx.gbl.. . I wrote this class
class CLine { public float sX,sY,dX,dY,m,x ,y; public void Draw (PaintEventArgs g) { //Graphics g = this.CreateGrap hics (); Bitmap bm=new Bitmap(1,1); bm.SetPixel(0,0 ,Color.Black); m = (dY-sY)/(dX-sX); if (m<=1) { for (x=sX;x<=dX;x++ ) { y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x) +512,-1*Convert.ToInt 32(Math.Round(y ))+384); } } else { for (y=sY;y<=dY;y++ ) { x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32 (Math.Round(x)) +512,-1*Convert.ToInt 32(y)+384); } } } }
What should I do if I wanna call Draw method? I've tried below code but it doesn't work.
CLine first = new CLine(); first.sX = 0; first.sY = 0; first.dX = 300; first.dY = - 500; first.Draw(); <== Problem's here!
Thank in advance for your help.
Draw expects to be passed a PaintEventArgs. You can get this from
OnPaint, or you can rewrite it to use a graphics object and create the
graphics object before calling Draw.
Graphics g = this.CreateGrap hics(); // this assumes you are calling draw
from a windows form/control
Draw(g);
g.Dispose();
rewrite Draw to
public void Draw(Graphics g)
and change all references to g.Graphics in Draw to g
--
Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/
So how to fixed it? -----Original Message----- The only problem I see here is that you call method
public void Draw (PaintEventArgs g)
without a PaintEventArgs object:
>first.Draw() ; <== Problem's here!
Hans.
-----Original Message----- I wrote this class
class CLine { public float sX,sY,dX,dY,m,x ,y; public void Draw (PaintEventArgs g) { //Graphics g = this.CreateGrap hics (); Bitmap bm=new Bitmap(1,1); bm.SetPixel(0,0 ,Color.Black); m = (dY-sY)/(dX-sX); if (m<=1) { for (x=sX;x<=dX;x++ ) { y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x) +512,-1*Convert.ToInt 32(Math.Round(y ))+384); } } else { for (y=sY;y<=dY;y++ ) { x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32 (Math.Round(x ))+512,-1*Convert.ToInt 32(y)+384); } } } }
What should I do if I wanna call Draw method? I've tried below code but it doesn't work.
CLine first = new CLine(); first.sX = 0; first.sY = 0; first.dX = 300; first.dY = - 500; first.Draw( ); <== Problem's here!
Thank in advance for your help. . .
Yeah, I got an error. I think I can pass member value by
use this line, "first.sX = 0; first.sY = 0; first.dX =
300; first.dY = - 500;". So how can I fix it? -----Original Message----- which is the problem ? do you got an error ?
class CLine has no constructor, you could create a
constructor an pass yourmembers value through it...
"John" <an*******@disc ussions.microso ft.com> ha scritto
nel messaggionews:09******* *************** ******@phx.gbl. .. I wrote this class
class CLine { public float sX,sY,dX,dY,m,x ,y; public void Draw (PaintEventArgs g) { //Graphics g = this.CreateGrap hics (); Bitmap bm=new Bitmap(1,1); bm.SetPixel(0,0 ,Color.Black); m = (dY-sY)/(dX-sX); if (m<=1) { for (x=sX;x<=dX;x++ ) { y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x) +512,-1*Convert.ToInt 32(Math.Round(y ))+384); } } else { for (y=sY;y<=dY;y++ ) { x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32 (Math.Round(x)) +512,-1*Convert.ToInt 32(y)+384); } } } }
What should I do if I wanna call Draw method? I've tried below code but it doesn't work.
CLine first = new CLine(); first.sX = 0; first.sY = 0; first.dX = 300; first.dY = - 500; first.Draw(); <== Problem's here!
Thank in advance for your help.
.
private void YourPaintEvent( object sender,
System.Windows. Forms.PaintEven tArgs e)
{
CLine first = new CLine();
first.Draw(e.Gr aphics);
} -----Original Message----- So how to fixed it?
-----Original Message----- The only problem I see here is that you call method
public void Draw (PaintEventArgs g)
without a PaintEventArgs object:
>first.Draw() ; <== Problem's here!
Hans.
-----Original Message----- I wrote this class
class CLine { public float sX,sY,dX,dY,m,x ,y; public void Draw (PaintEventArgs g) { //Graphics g = this.CreateGrap hics (); Bitmap bm=new Bitmap(1,1); bm.SetPixel(0,0 ,Color.Black); m = (dY-sY)/(dX-sX); if (m<=1) { for (x=sX;x<=dX;x++ ) { y=sY+(x+sX)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32(x) +512,-1*Convert.ToInt 32(Math.Round(y ))+384); } } else { for (y=sY;y<=dY;y++ ) { x=sX+(y+sY)*m;
g.Graphics.Draw ImageUnscaled(b m,Convert.ToInt 32 (Math.Round( x))+512,-1*Convert.ToInt 32(y)+384); } } } }
What should I do if I wanna call Draw method? I've
triedbelow code but it doesn't work.
CLine first = new CLine(); first.sX = 0; first.sY = 0; first.dX = 300; first.dY
= -500; first.Draw() ; <== Problem's here!
Thank in advance for your help. . . . This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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