Form1.Image1.Canvas.LineTo(x,y);

End;

End

else if pgD=3 then

Begin

Form1.Image1.Canvas.Pen.Color:=colGr2;

krok:=1/(10*kd);

dx:=0;

x:=Trunc(Form1.Image1.Width/2);

dy:=fy2D(dx);

y:=Trunc(Form1.Image1.Height/2-dy*(kd*10));

Form1.Image1.Canvas.MoveTo(x,y);

while x<Form1.Image1.Width do

Begin

dx:=dx+krok;

x:=x+1;

dy:=fy2D(dx);

y:=Trunc(Form1.Image1.Height/2-dy*(kd*10));

Form1.Image1.Canvas.LineTo(x,y);

End;

dx:=0;

x:=Trunc(Form1.Image1.Width/2);

dy:=fy2D(dx);

y:=Trunc(Form1.Image1.Height/2-dy*(kd*10));

Form1.Image1.Canvas.MoveTo(x,y);

while x>0 do

Begin

dx:=dx-krok;

x:=x-1;

dy:=fy2D(dx);

y:=Trunc(Form1.Image1.Height/2-dy*(kd*10));

Form1.Image1.Canvas.LineTo(x,y);

End;

End

End;

Procedure DrawAxesD;

Var DADi:integer;

Begin

Form1.Image1.Canvas.Pen.Color:=colAx;

Form1.Image1.Canvas.MoveTo(0,Trunc(Form1.Image1.Height/2));

Form1.Image1.Canvas.LineTo(Form1.Image1.Width,Trunc(Form1.Image1.Height/2));

Form1.Image1.Canvas.MoveTo(Trunc(Form1.Image1.Width/2),0);

Form1.Image1.Canvas.LineTo(Trunc(Form1.Image1.Width/2),Form1.Image1.Height);

Form1.Image1.Canvas.MoveTo(Form1.Image1.Width,Trunc(Form1.Image1.Height/2));

Form1.Image1.Canvas.LineTo(Form1.Image1.Width-10,Trunc(Form1.Image1.Height/2)-6);

Form1.Image1.Canvas.MoveTo(Form1.Image1.Width,Trunc(Form1.Image1.Height/2));

Form1.Image1.Canvas.LineTo(Form1.Image1.Width-10,Trunc(Form1.Image1.Height/2)+6);

Form1.Image1.Canvas.MoveTo(Trunc(Form1.Image1.Width/2),0);

Form1.Image1.Canvas.LineTo(Trunc(Form1.Image1.Width/2)-6,10);

Form1.Image1.Canvas.MoveTo(Trunc(Form1.Image1.Width/2),0);

Form1.Image1.Canvas.LineTo(Trunc(Form1.Image1.Width/2)+6,10);

Form1.Image1.Canvas.Pen.Color:=clSilver;

x:=Trunc(Form1.Image1.Width/2);

DADi:=0;

Form1.Image1.Canvas.TextOut(Trunc(Form1.Image1.Width/2)+3,Trunc(Form1.Image1.Height/2)+3,IntToStr(DADi));

while x<Form1.Image1.Width do

Begin

x:=x+kd*10;

Form1.Image1.Canvas.MoveTo(x,0);

Form1.Image1.Canvas.LineTo(x,Form1.Image1.Height);

DADi:=DADi+1;

Form1.Image1.Canvas.TextOut(x+3,Trunc(Form1.Image1.Height/2)+3,IntToStr(DADi));

End;

x:=Trunc(Form1.Image1.Width/2);

DADi:=0;

while x>0 do

Begin

x:=x-kd*10;

Form1.Image1.Canvas.MoveTo(x,0);

Form1.Image1.Canvas.LineTo(x,Form1.Image1.Height);

DADi:=DADi-1;

Form1.Image1.Canvas.TextOut(x+1,Trunc(Form1.Image1.Height/2)+3,IntToStr(DADi));

End;

y:=Trunc(Form1.Image1.Height/2);

DADi:=0;

while y<Form1.Image1.Height do

Begin

y:=y+kd*10;

Form1.Image1.Canvas.MoveTo(0,y);

Form1.Image1.Canvas.LineTo(Form1.Image1.Width,y);

DADi:=DADi-1;

Form1.Image1.Canvas.TextOut(Trunc(Form1.Image1.Width/2)+2,y+2,IntToStr(DADi));

End;

y:=Trunc(Form1.Image1.Width/2);

DADi:=0;

while y>0 do

Begin

y:=y-kd*10;

Form1.Image1.Canvas.MoveTo(0,y);

Form1.Image1.Canvas.LineTo(Form1.Image1.Width,y);

DADi:=DADi+1;

Form1.Image1.Canvas.TextOut(Trunc(Form1.Image1.Width/2)+2,y+2,IntToStr(DADi));

End

End;

Procedure funcD;

Begin

if Form1.RadioButton1.Checked then fd:=1

else if Form1.RadioButton2.Checked then fd:=2

else if Form1.RadioButton3.Checked then fd:=3

else if Form1.RadioButton4.Checked then fd:=4;

Case fd of

GraficD(1);

GraficD(2);

GraficD(3);

Begin

GraficD(2);

GraficD(3)

End

End;

End;

procedure TForm1.BitBtn2Click(Sender: TObject);

Begin

FonDraw;

if Form1.CheckBox2.Checked=False then DrawAxes else DrawAxesD

End;

procedure TForm1.FormActivate(Sender: TObject);

Begin

colGr1:=clBlue;

colGr2:=clDefault;

colAx:=clRed;

FonDraw;

if Form1.CheckBox2.Checked=False then DrawAxes else DrawAxesD;

kd:=Form1.TrackBar2.Position;

End;

procedure TForm1.TrackBar1Change(Sender: TObject);

Begin

if Form1.CheckBox2.Checked=False then

Begin

FonDraw;

DrawAxes;

Func

End

End;

procedure TForm1.BitBtn1Click(Sender: TObject);

Begin

FonDraw;

if Form1.CheckBox2.Checked=False then

Begin

DrawAxes;

Func

End

Else

Begin

DrawAxesD;

FuncD

End

End;

procedure TForm1.Label4Click(Sender: TObject);

Begin

ShowMessage

End;

procedure TForm1.TrackBar2Change(Sender: TObject);

Begin

kd:=Form1.TrackBar2.Position;

Дата добавления: 2015-10-30