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unit Unit1;
{$mode objfpc}{$H+}
interface
uses
Classes, Types,
LCLType, LclIntf, Forms, Controls, Graphics, StdCtrls, ExtCtrls, Themes;
type
{ TForm1 }
TForm1 = class(TForm)
Label1: TLabel;
Label2: TLabel;
PB: TPaintBox;
RG: TRadioGroup;
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure PBPaint(Sender: TObject);
procedure RGClick(Sender: TObject);
private
public
FImage: TBitmap;
end;
var
Form1: TForm1;
implementation
{$R *.lfm}
{ TForm1 }
procedure TForm1.FormCreate(Sender: TObject);
begin
FImage := TBitmap.Create;
FImage.LoadFromFile('./buy_64.bmp');
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
FImage.Free;
end;
procedure TForm1.PBPaint(Sender: TObject);
var
R: TRect;
P: TSize;
begin
with PB.Canvas do
begin
Brush.Color := clWhite;
FillRect(ClientRect);
Font.Color := clGreen;
Font.Height := 20;
Pen.Width := 2;
TextOut(20,300, 'Unmapped!'); // check if font size OK
case RG.ItemIndex of
0:
begin
SetMapMode(Handle, MM_ANISOTROPIC);
SetWindowExtEx(Handle, 400, 300, nil);
SetViewPortExtEx(Handle, PB.ClientWidth, PB.ClientHeight, nil);
SetViewPortOrgEx(Handle, 0, 0, nil);
end;
1:
begin
SetMapMode(Handle, MM_ISOTROPIC);
SetWindowExtEx(Handle, 400, 300, nil);
SetViewPortExtEx(Handle, PB.ClientWidth, PB.ClientHeight, nil);
SetViewPortOrgEx(Handle, 0, 0, nil);
end;
2:
begin
SetMapMode(Handle, MM_LOENGLISH);
SetViewPortOrgEx(Handle, 0, 300, nil);
end;
3:
begin
SetMapMode(Handle, MM_HIENGLISH);
SetViewPortOrgEx(Handle, 0, 300, nil);
end;
4:
begin
SetMapMode(Handle, MM_LOMETRIC);
SetViewPortOrgEx(Handle, 0, 300, nil);
end;
5:
begin
SetMapMode(Handle, MM_HIMETRIC);
SetViewPortOrgEx(Handle, 0, 300, nil);
end;
6:
begin
SetMapMode(Handle, MM_TWIPS);
SetViewPortOrgEx(Handle, 0, 300, nil);
end;
7:
begin
SetMapMode(Handle, MM_ANISOTROPIC);
SetWindowExtEx(Handle, -400, 300, nil);
SetViewPortExtEx(Handle, PB.ClientWidth, PB.ClientHeight, nil);
SetViewPortOrgEx(Handle, PB.ClientWidth, 0, nil);
end;
end;
GetWindowExtEx(Handle, @P);
GetViewPortExtEx(Handle, @P);
Brush.Color := clRed;
FillRect(10, 10, 200, 200);
Brush.Color := clYellow;
Arc(200,10,400,200,20,0,400,300);
Chord(10,10,200,200, 0,0,300,300);
Brush.Color := clGreen;
Ellipse(50,200,250,260);
Brush.Color := clWhite;
TextOut(50,50, 'Hello!');
TextRect(Rect(50,80,200,120), 50,80, 'Clipped!');
DrawFocusRect(Rect(10,200,400,220)); // normally quite slow on GTK2, disable for the test
MoveTo(300, 200);
LineTo(390, 290);
R := Rect(10,200,100,250);
Frame3D(R, 3, bvRaised);
Frame(200,250,250,260);
FrameRect(200,220,250,240);
Rectangle(320,20,380,100);
RoundRect(320,110,380,150,6,6);
ThemeServices.DrawElement(Handle, ThemeServices.GetElementDetails(tbPushButtonNormal), Rect(80,50,100,75), nil);
DrawFrameControl(Handle, Rect(50,50,70,75), DFC_BUTTON, DFCS_BUTTONPUSH);
R := Rect(110,50,140,75);
DrawEdge(Handle, R, BDR_RAISEDINNER, BF_RECT);
StretchDraw(Rect(230,100, 304, 164), FImage);
SetMapMode(Handle, MM_TEXT);
TextOut(20,20, 'Unmapped!'); // check if font size OK
end;
end;
procedure TForm1.RGClick(Sender: TObject);
begin
PB.Invalidate;
end;
end.
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