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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Buttons, ExtCtrls, ComCtrls, Spin;
type
TForm1 = class(TForm)
Panel1: TPanel;
BtnRectangle: TBitBtn;
BtnEllipse: TBitBtn;
BtnRoundRect: TBitBtn;
Panel2: TPanel;
Label1: TLabel;
Label2: TLabel;
Label3: TLabel;
Label4: TLabel;
sbRedScroll: TScrollBar;
sbGreenScroll: TScrollBar;
sbBlueScroll: TScrollBar;
shShape: TShape;
SpinEditRed: TSpinEdit;
SpinEditGreen: TSpinEdit;
SpinEditBlue: TSpinEdit;
ScrollBar1: TScrollBar;
procedure FormCreate(Sender: TObject);
procedure BtnRectangleClick(Sender: TObject);
procedure BtnEllipseClick(Sender: TObject);
procedure BtnRoundRectClick(Sender: TObject);
procedure EditRedChange(Sender: TObject);
procedure EditGreenChange(Sender: TObject);
procedure EditBlueChange(Sender: TObject);
procedure sbRedScrollChange(Sender: TObject);
procedure sbGreenScrollChange(Sender: TObject);
procedure sbBlueScrollChange(Sender: TObject);
procedure vsevodnom_spedit(a: TColor; q: TScrollBar; w: TSpinEdit;
l: integer);
procedure vsevodnom_scroll(a: TColor; q: TScrollBar; w: TSpinEdit);
procedure sbScaleScrollqChange(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
RedColor, GreenColor, BlueColor: TColor;
implementation
{$R *.dfm}
procedure TForm1.vsevodnom_scroll(a: TColor; q: TScrollBar; w: TSpinEdit);
begin
a := q.Position;
w.Value := a;
w.Text := IntToStr(a);
shShape.Brush.Color := RGB(RedColor, GreenColor, BlueColor);
end;
procedure TForm1.vsevodnom_spedit(a: TColor; q: TScrollBar; w: TSpinEdit;
l: integer);
var
s: string;
begin
case l of
0:
begin
a := 127;
w.Value := a;
q.Position := a;
w.Text := IntToStr(a);
shShape.Brush.Color := RGB(RedColor, GreenColor, BlueColor);
end;
1:
begin
s := w.Text;
while Pos(' ', s) > 0 do
Delete(s, Pos(' ', s), 1);
if s = ' ' then
Exit;
a := StrToInt(s);
if a < 0 then
a := 0;
if a > 255 then
a := 255;
q.Position := a;
w.Value := a;
shShape.Brush.Color := RGB(RedColor, GreenColor, BlueColor);
end;
2:
begin
a := q.Position;
w.Value := a;
w.Text := IntToStr(a);
shShape.Brush.Color := RGB(RedColor, GreenColor, BlueColor);
end;
end;
end;
procedure TForm1.BtnRectangleClick(Sender: TObject);
begin
shShape.Shape := stRectangle;
end;
procedure TForm1.BtnEllipseClick(Sender: TObject);
begin
shShape.Shape := stEllipse;
end;
procedure TForm1.BtnRoundRectClick(Sender: TObject);
begin
shShape.Shape := stRoundRect;
end;
procedure TForm1.EditRedChange(Sender: TObject);
begin
vsevodnom_spedit(RedColor, sbRedScroll, SpinEditRed, 1);
end;
procedure TForm1.EditGreenChange(Sender: TObject);
begin
vsevodnom_spedit(GreenColor, sbGreenScroll, SpinEditGreen, 1);
end;
procedure TForm1.EditBlueChange(Sender: TObject);
begin
vsevodnom_spedit(BlueColor, sbBlueScroll, SpinEditBlue, 1);
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
vsevodnom_spedit(RedColor, sbRedScroll, SpinEditRed, 0);
vsevodnom_spedit(GreenColor, sbGreenScroll, SpinEditGreen, 0);
vsevodnom_spedit(BlueColor, sbBlueScroll, SpinEditBlue, 0);
end;
procedure TForm1.sbRedScrollChange(Sender: TObject);
begin
vsevodnom_spedit(RedColor, sbRedScroll, SpinEditRed, 2);
end;
procedure TForm1.sbGreenScrollChange(Sender: TObject);
begin
vsevodnom_spedit(GreenColor, sbGreenScroll, SpinEditGreen, 2);
end;
procedure TForm1.sbBlueScrollChange(Sender: TObject);
begin
vsevodnom_spedit(BlueColor, sbBlueScroll, SpinEditBlue, 2);
end;
procedure TForm1.sbScaleScrollqChange(Sender: TObject);
var
s: string;
begin
end;
end. |
(
