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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, Math;
type
TForm1 = class(TForm)
Image1: TImage;
Button1: TButton;
Edit1: TEdit;
Edit2: TEdit;
Edit3: TEdit;
Edit4: TEdit;
Edit5: TEdit;
Edit6: TEdit;
Edit7: TEdit;
Edit8: TEdit;
Label1: TLabel;
Edit9: TEdit;
Edit10: TEdit;
Edit11: TEdit;
Edit12: TEdit;
Edit13: TEdit;
Edit14: TEdit;
Edit15: TEdit;
Edit16: TEdit;
Edit17: TEdit;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
Label5: TLabel;
Label6: TLabel;
Label7: TLabel;
Label8: TLabel;
Label9: TLabel;
Edit18: TEdit;
Edit19: TEdit;
Edit20: TEdit;
Edit21: TEdit;
Label10: TLabel;
Label11: TLabel;
Label12: TLabel;
Label13: TLabel;
procedure Button1Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
masiv = array [1..10,1..10] of real;
var
Form1: TForm1;
mx,my,HeightY,WidthX:integer;
podilx,podily,Xo,Xn,Yo,Yn:real;
implementation
{$R *.dfm}
function xcomp(Mat:real):integer;
begin
xcomp:=WidthX-5*mx+Ceil(((0-Xo+Mat)/podilx)*mx);
end;
function ycomp(Mat:real):integer;
begin
ycomp:=HeightY+5*my-Ceil(((0-Yo+Mat)/podily)*my);
end;
procedure osi();
var i:integer;
begin
Form1.Image1.Picture:=nil;
HeightY:=Form1.Image1.Height div 2;
WidthX:=Form1.Image1.Width div 2;
Xo:=StrToFloat(Form1.Edit18.Text);
Yo:=StrToFloat(Form1.Edit19.Text);
Xn:=StrToFloat(Form1.Edit20.Text);
Yn:=StrToFloat(Form1.Edit21.Text);
mx:=WidthX*2 div 10;
my:=HeightY*2 div 10;
podilx:=(Xn-Xo)/10;
podily:=(Yn-Yo)/10;
Form1.Edit1.Text:=FloatToStr(podilx);
Form1.Edit2.Text:=FloatToStr(podily);
Form1.Image1.Canvas.Pen.Color:=clGreen;
for i:=0 to 10 do
begin
Form1.Image1.Canvas.MoveTo(WidthX-4*mx+i*mx,0);
Form1.Image1.Canvas.LineTo(WidthX-4*mx+i*mx,HeightY*2);
Form1.Image1.Canvas.TextOut(WidthX-5*mx+i*(mx-1),HeightY*2-10,FloatToStr(RoundTo(Xo+i*podilx,-2)));
Form1.Image1.Canvas.MoveTo(0,HeightY-4*my+i*my);
Form1.Image1.Canvas.LineTo(WidthX*2,HeightY-4*my+i*my);
Form1.Image1.Canvas.TextOut(10,HeightY-5*my+i*(my-1),FloatToStr(RoundTo(Yn-i*podily,-2)));
end;
Form1.Image1.Canvas.Pen.Color:=clBlack;
Form1.Image1.Canvas.MoveTo(1,1);
Form1.Image1.Canvas.LineTo(1,HeightY*2);
Form1.Image1.Canvas.MoveTo(1,HeightY*2-1);
Form1.Image1.Canvas.LineTo(WidthX*2,HeightY*2-1);
end;
procedure triangle_decart();
var
x1,x2,x3,y1,y2,y3:integer;
A:masiv;
begin
A[1,1]:=strToFloat(Form1.Edit3.text);
A[1,2]:=strToFloat(Form1.Edit4.text);
A[1,3]:=strToFloat(Form1.Edit5.text);
A[2,1]:=strToFloat(Form1.Edit6.text);
A[2,2]:=strToFloat(Form1.Edit7.text);
A[2,3]:=strToFloat(Form1.Edit8.text);
Form1.Image1.Canvas.Pen.Color:=clRed;
form1.Image1.Canvas.Pen.Width:=2;
x1:=xcomp(A[1,1]);
x2:=xcomp(A[1,2]);
x3:=xcomp(A[1,3]);
y1:=ycomp(A[2,1]);
y2:=ycomp(A[2,2]);
y3:=ycomp(A[2,3]);
form1.Image1.Canvas.MoveTo(x1,y1);
form1.Image1.Canvas.LineTo(x2,y2);
form1.Image1.Canvas.LineTo(x3,y3);
form1.Image1.Canvas.LineTo(x1,y1);
form1.Image1.Canvas.Brush.Color:=clRed;
form1.Image1.Canvas.FloodFill((x1+x2) div 2, (y1+y3) div 2, clRed, fsBorder);
form1.Image1.Canvas.FloodFill((x1+x2) div 2, (y1+y2) div 2, clRed, fsBorder);
end;
procedure triangle_ord();
var
x4,x5,x6,y4,y5,y6:integer;
B:masiv;
begin
B[1,1]:=strToFloat(Form1.Edit9.text);
B[1,2]:=strToFloat(Form1.Edit10.text);
B[1,3]:=strToFloat(Form1.Edit11.text);
B[2,1]:=strToFloat(Form1.Edit12.text);
B[2,2]:=strToFloat(Form1.Edit13.text);
B[2,3]:=strToFloat(Form1.Edit14.text);
B[3,1]:=strToFloat(Form1.Edit15.text);
B[3,2]:=strToFloat(Form1.Edit16.text);
B[3,3]:=strToFloat(Form1.Edit17.text);
Form1.Image1.Canvas.Pen.Color:=clBlue;
x4:=xcomp(B[1,1]);
x5:=xcomp(B[1,2]);
x6:=xcomp(B[1,3]);
y4:=ycomp(B[2,1]);
y5:=ycomp(B[2,2]);
y6:=ycomp(B[2,3]);
form1.Image1.Canvas.MoveTo(x4,y4);
form1.Image1.Canvas.LineTo(x5,y5);
form1.Image1.Canvas.LineTo(x6,y6);
form1.Image1.Canvas.LineTo(x4,y4);
form1.Image1.Canvas.Brush.Color:=clBlue;
form1.Image1.Canvas.FloodFill((x4+x5) div 2, (y4+y6) div 2, clRed, fsBorder);
form1.Image1.Canvas.FloodFill((x4+x5) div 2, (y4+y6) div 2, clRed, fsBorder);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
osi;
triangle_decart;
triangle_ord;
end;
end. |
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