var

dx, dy, Rand: word;

A, B, C, D, E, F: real;

x, y: word;

i: longint;

begin

A := 0.5; B := 0.5; E := 0;

C := 0.3; D := 0; F := 1;

dx := (xEnd-xStart+1) div 2; xEnd := xStart +2*dx - 1;

dy := (yEnd-yStart+1) div 2; yEnd := yStart +2*dy - 1;

x := xStart+dx; y := yStart+dy;

Randomize;

for i := 1 to 50000 do begin

Rand := Random(10);

Case Rand of

0 3: begin

x := xStart + 1 + (x-xStart+1) div 2;

y := yStart + 1 + (y-yStart+1) div 2;

end;

4: begin

x := xStart + dx + (x-xStart+1) div 2;

y := yStart + 1 + (y-yStart+1) div 2;

end;

5: begin

x := xStart + 1 + (x-xStart+1) div 2;

y := yStart + dy + (y-yStart+1) div 2;

end;

6 9: begin

x := xStart + dx + (x-xStart+1) div 2;

y := yStart + dy + (y-yStart+1) div 2;

end;

end; { Case }

Image.Canvas.Pixels[x,y] := clBlue;

end; { for i }

end;

procedure TMainForm.N7Click(Sender: TObject);

begin

AfinConvert;

end;

procedure TMainForm.OneMore;

var

dx, dy, Rand, Kx, Ky: word;

A, B, C, D, E, F: real;

x, y, K: real;

i: longint;

begin

Kx := 4; Ky := 4;

dx := (xEnd-xStart+1) div Kx; xEnd := xStart +Kx*dx - 1;

dy := (yEnd-yStart+1) div Ky; yEnd := yStart +Ky*dy - 1;

x := xStart; y := yStart;

for i := 1 to 100000 do begin

Rand := Random(Kx*Ky);

if (Rand = 0) or (Rand = 3) or (Rand = 12) or (Rand = 15) then

Continue;

K := (Rand - Kx*(Rand div Kx)) *dx;

x := K + xStart + 1 + (x-xStart+1) / Kx;

K := (Rand div Kx)*dy;

y := K + yStart + 1 + (y-yStart+1) / Ky;

Image.Canvas.Pixels[Round(x),Round(y)] := clBlue;

end; { for i }

end;

procedure TMainForm.Onemore1Click(Sender: TObject);

begin

OneMore;

end;

procedure TMainForm.Mandel;

var

Z, Z0, C: TComplex;

i, x, y: word;

begin

Z0 := TComplex.Create(0,0);

Z := TComplex.Create(0,0);

C := TComplex.Create(0,0);

for y := yStart to yEnd do begin

for x := xStart to xEnd do begin

C.Assign(x,y);

Z.Mul(Z0);

Z.Plus(C);

if (Z.Re < 2) and (Z.Im < 2) then

Image.Canvas.Pixels[Z.Re,Z.Im] := clBlue;

Z.Assign(0,0);

end; { for x }

end; { for y }

C.Free;

Z.Free;

Z0.Free;

end;

procedure TMainForm.N8Click(Sender: TObject);

begin

Mandel;

end;

procedure TMainForm.Paporotnik;

const

A: array[0 3, 0 2, 0 3] of integer =

(((0,0,0,0),(0,20,0,0),(0,0,0,0)),

((85,0,0,0),(0,85,11,70),(0,-10,85,0)),

((31,-41,0,0),(10,21,0,21),(0,0,30,0)),

((-29,40,0,0),(10,19,0,56),(0,0,30,0)));

var

b: array[1 15000] of word;

k, n, i: word;

newX, newY, z, x, y: real;

Color: longint;

begin

x := 0; y := 0; z := 0;

Randomize;

for k := 1 to 15000 do begin

b[k] := Random(10);

if b[k] > 3 then b[k] := 1;

end; { for k }

i := 1;

{ b[i] := 1;}

for i := 1 to 10000 do begin

newX := (a[b[i],0,0]*x + a[b[i],0,1]*y + a[b[i],0,2]*z) / 100+

a[b[i],0,3];

newY := (a[b[i],1,0]*x + a[b[i],1,1]*y + a[b[i],1,2]*z) / 100+

a[b[i],1,3];

z := (a[b[i],2,0]*x + a[b[i],2,1]*y + a[b[i],2,2]*z) / 100+

a[b[i],2,3];

x := newX; y := newY;

Color := Random(65535);

Color := Color*100;

Image.Canvas.Pixels[Round(300-x+z), Round(350-y)] := clGreen;

end; { for k }

end;

procedure TMainForm.N9Click(Sender: TObject);

begin

Paporotnik;

end;

function TMainForm.GetDensity: string;

var

i, j: byte;

LenX, LenY, x, y, xOld, yOld, dx, dy: word;

BlackCnt, TotCnt: word;

P: real; { Плотность пикселов в квадранте }

S, S1: string;

begin

{ Определяем плотность в 9 квадрантах }

{ выделенного диапазона }

S := '';

LenX := xEnd-xStart+1;

LenY := yEnd-yStart+1;

xOld := xStart; yOld := yStart;

for j := 1 to 3 do begin

if j = 2 then dy := LenY-2*Round(LenY/3)

else dy := Round(LenY/3);

for i := 1 to 3 do begin

if i = 2 then dx := LenX-2*Round(LenX/3)

else dx := Round(LenX/3);

{------------------------------------------------------------------}

BlackCnt := 0; { Кол-во черных пикселов в квадранте }

for y := yOld to yOld+dy-1 do begin

for x := xOld to xOld+dx-1 do begin

if Image.Canvas.Pixels[x,y] <> clWhite then Inc(BlackCnt);

end; { for x }

end; { for y }

{------------------------------------------------------------------}

TotCnt := dx*dy;

P := BlackCnt/TotCnt; { Плотность пикселов в квадранте }

Str(P:1:3, S1);

S := S+S1+' ';

xOld := xOld+dx;

end; { for i }

yOld := yOld+dy;

end; { for j }

Result := S;

end; { TMainForm.GetDensity }

procedure TMainForm.N5Click(Sender: TObject);

var

S: string;

ID: word;

begin

S := GetDensity;

ID := DataTable.RecordCount;

DataTable.AppendRecord([ID+1, S]);

end;

procedure TMainForm.N10Click(Sender: TObject);

var

SValue: string[5];

S, DStr1, DStr2, OldS: string;

Value, NewValue: real;

i: byte;

ID: word;

begin

S := GetDensity;

OldS := S;

DataTable.First;

Value := 100;

ID := 0;

while not DataTable.EOF do begin

NewValue := 0;

{-----------------------------------------------------------}

for i := 1 to 9 do begin

DStr1 := Copy(S, (i-1)*6+1, 5);

DStr2 := Copy(DataTableOpis.Value, (i-1)*6+1, 5);

NewValue := NewValue + Abs(StrToFloat(DStr2)-StrToFloat(DStr1));

end; { for i }

{-----------------------------------------------------------}

if NewValue < Value then begin

Value := NewValue;

ID := DataTableID.AsInteger;

end;

DataTable.Next;

end; { while }

ShowMessage(IntToStr(ID));

end;

end.

[1] Известно, что при создании обычными средствами (”руками”) интерфейса пользователя для программ, работающих в графических средах, на это уходит более 80% времени разработки приложения.