unit
Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, jpeg, ExtCtrls;
type
TForm1 =
class
(TForm)
Image1: TImage;
Image2: TImage;
Label1: TLabel;
Shape1: TShape;
procedure
Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y:
Integer
);
procedure
Image2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y:
Integer
);
procedure
Image2MouseMove(Sender: TObject; Shift: TShiftState; X,
Y:
Integer
);
procedure
Image2MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y:
Integer
);
private
public
end
;
var
Form1: TForm1;
col: TColor;
Flag:
boolean
;
X0,Y0:
integer
;
implementation
{$R *.dfm}
procedure
TForm1
.
Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y:
Integer
);
begin
col := Image1
.
Picture
.
Bitmap
.
Canvas
.
Pixels[x,y];
label1
.
Caption:= IntToStr(col);
Shape1
.
Brush
.
Color:= col;
end
;
procedure
TForm1
.
Image2MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y:
Integer
);
begin
Flag := Button = mbLeft;
if
Flag
then
begin
x0 := x;
y0 := y
end
;
end
;
procedure
TForm1
.
Image2MouseMove(Sender: TObject; Shift: TShiftState; X,
Y:
Integer
);
begin
if
Flag
then
with
TControl(Sender)
do
begin
Left := Left + x - x0;
Top := Top + y - y0;
end
;
end
;
procedure
TForm1
.
Image2MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y:
Integer
);
begin
Flag :=
false
end
;
end
.