AutoSize=true. , private.
Move:Boolean; //
X0,y0:integer; //
Procedure TForm1.Image1MouseDown (Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
Begin
If Button<>mbLeft then exit; // ,
X0:=X;
Y0:=Y;
Image1.Canvas.DrawFocusRect(Rect(X-5,Y-5,X+5,Y+5)); { }
Move:=true; { }
End;
procedure TForm1.Image1MouseMove (Sender: TObject; Shift: TShiftState; X,Y: Integer);
begin
if not Move then exit; // ,
Image1.Canvas.DrawFocusRect(Rect(X0-5,Y0-5,X0+5,Y0+5)); { }
Image1.Canvas.DrawFocusRect(Rect(X-5,Y-5,X+5,Y+5)); { }
X0:=X; { }
Y0:=Y;
end;
.
procedure TForm1.Image1MouseUp (Sender: TObject; Button: TMouseButton; Shift: TShiftState; X,Y: Integer);
begin
if not drag then exit;
Image1.Canvas.DrawFocusRect(Rect(X0-5,Y0-5,X0+5,Y0+5)); { }
Move:=false; { }
end;
, , ( drag = true). , , . .
15.
1. 
PazlForm.pas, Pazly .
2. :
a. .
b. , .
3. , BitMap, , . , , .
a. bmp. . g18.bmp
b. private
BitMap:TBitMap;
FileName: String;
c. OnCreate -
procedure TForm1.FormCreate(Sender: TObject);
begin
FileName:='g18.bmp'; //
BitMap:=TBitMap.Create; //
try // ,
BitMap.LoadFromFile(FileName); // BitMap
Canvas.Draw(0,0,BitMap); //
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Width:=BitMap.Width*2; //
Height:=BitMap. Height* 3 div 2; //
finally // , .
end; {try}
end;
d. , , . OnDestroy( ) .
procedure TForm1.FormDestroy(Sender: TObject);
var i,j:integer;
begin
Bitmap. Free; // BitMap
end;
e. . , , Delphi, . . OnPaint.
procedure TForm1.FormPaint(Sender: TObject);
begin
if BitMap<>nil then // ,
canvas.CopyRect(canvas.ClipRect,BitMap.Canvas,canvas.ClipRect);
end;
f. . .
4. . TImage, TImage. , .
a. .
b. private
Pict:TImage; //
Picti,n:Byte; //
Paz:array [1..10,1..10] of TImage; //
c. FormCreate Picti:=0;
d.
procedure TForm1.Timer1Timer(Sender: TObject);
var i,j,w,h:integer; // , ,
vs:real;
begin
if Picti>0 then exit; // ,
Picti:=1; // ,
Pict:=TImage.Create(Self); //
Pict.Picture.LoadFromFile(FileName); //
n:=StrToInt(InputBox('', ' ', '3')); //
w:= Pict.Width div n; //
h:=Pict.Height div n; //
BitMap:=nil; //
canvas.Refresh; //
for i:=1 to n do
for j:=1 to n do begin
Paz[i,j]:=TImage.Create(Self); //
Paz[i,j].Parent:=self; //
Paz[i,j].Height:=h; //
Paz[i,j].Width:= w; //
Paz[i,j].Canvas.CopyRect(Paz[i,j].ClientRect,Pict.Canvas, Rect(w *(i-1),(j-1)*h,w * i, j*h)); // Pict, .
Paz[i,j].Visible:=true; //
Paz[i,j].Left:= w *(i-1 ); //
Paz[i,j].Top:=(j-1)*h;
Paz[i,j].DragKind:=dkDock; // , . = dkDrag .
Paz[i,j].DragMode:=dmAutomatic; //
Paz[i,j].ManualFloat(Rect(Left+Paz[i,j].Left, Top+Paz[i,j].Top,Left+Paz[i,j].Left+w, Top+Paz[i,j].Top+h)); //
Paz[i,j].ManualDock(Form1,nil,alleft); //
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end; {for}
Randomize; { }
for i:=1 to n do for j:=1 to n do begin
Paz[i,j].Left:= random(Width-w);
Paz[i,j].Top:=random(Height - h);
end;
Pict.Free; //
end;
e. . .
5. ,
6. OpenDialog, .
. 16
1. . , . , .
2. .
procedure TForm1.Timer1Timer(Sender: TObject);
var i,j:integer;
vs:real;
begin
if Picti>0 then exit; // ,
Picti:=1;
Pict:=TImage.Create(Self); //
Pict.AutoSize:=true;
Pict.Picture.LoadFromFile(FileName);
n:=StrToInt(InputBox('', ' ', '3'));
w:= Pict.Width div n; //
h:=Pict.Height div n; //
BitMap:=nil;
canvas.Refresh; //
for i:=1 to n do begin
for j:=1 to n do begin
Paz[i,j]:=TImage.Create(Self); //
with Paz[i,j] do begin
Parent:=self; //
Height:=h; //
Width:= w; //
Canvas.CopyRect(Paz[i,j].ClientRect,Pict.Canvas, Rect(w *(j-1),(i-1)*h,w * j, i*h));//
Visible:=true; //
Left:= w *(i-1); //
Top:=(j-1)*h;
AutoSize:=true; //
{OnMouseDown:=Image1MouseDown;
OnMouseMove:=Image1MouseMove;
OnMouseUp:=Image1MouseUp;} //
end;
end;
end;
Randomize; //
for i:=1 to n do begin
for j:=1 to n do begin
Paz[i,j].Left:= random(Width-w*3 div 2);
Paz[i,j].Top:=random(Height - h*3 div 2);
end;
end;
Pict.Free;
end;
3. Image1 :
4. OnMouseDown
procedure TForm1.Image1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if button<>mbLeft then exit;
x0:=x;
y0:=y;
move:=true;
rec:=(sender as TControl).BoundsRect;
end;
x0 y0 private, , move:Boolean, rec:TRect.
5. OnMouseMove
procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
begin
if not move then exit;
Canvas.DrawFocusRect(rec);
with rec do begin
left:= Left+x-x0;
Right:=Right+x-x0;
Top:=top+y-y0;
bottom:=bottom+y-y0;
x0:=x;
y0:=y;
end;
Canvas.DrawFocusRect(rec);
end;
6. OnMouseUp
procedure TForm1.Image1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
var l,t:integer;
begin
Canvas.DrawFocusRect(rec);
with (Sender as TControl) do begin
l:=(rec.Left +x-x0) div w * w;
t:=(rec.Top +y-y0)div h *h;
SetBounds(l,t,Width,Height);
BringToFront;
end;
move:=false;
end;
7. . . . . Image1 , . .
8. . , .
function TForm1.analiz:boolean;
var i,j:integer;
begin
Result:=false;
for i:=1 to n do
for j:=1 to n do begin
if abs((Paz[i,j].Left-Paz[1,1].Left) - (j-1)*w)>1 then exit;
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if abs((Paz[i,j].Top-Paz[1,1].Top) - (i-1)*h)>1 then exit;
end;
result:=true;
end;
. TForm1.Image1MouseUp
if analiz then ShowMessage(' !');
, .
