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program stdimglist;
{$mode objfpc}{$H+}
uses
Classes, SysUtils,
fpg_base, fpg_main, fpg_form, fpg_imgfmt_bmp, fpg_button;
type
TMainForm = class(TfpgForm)
private
btnClose: TfpgButton;
procedure btnCloseClick(Sender: TObject);
protected
procedure HandlePaint; override;
public
procedure AfterCreate; override;
end;
{ TMainForm }
procedure TMainForm.AfterCreate;
begin
SetPosition(100,100,700,500);
WindowTitle := 'fpGUI Standard Image Listing';
WindowPosition := wpOneThirdDown;
MinWidth := 200;
MinHeight := 100;
btnClose := CreateButton(self, Width-90, Height-35, 75, 'Quit', @btnCloseClick);
btnClose.ImageName := 'stdimg.quit';
btnClose.Anchors := [anRight, anBottom];
end;
procedure TMainForm.btnCloseClick(Sender: TObject);
begin
Close;
end;
procedure TMainForm.HandlePaint;
var
n: integer;
x: TfpgCoord;
y: TfpgCoord;
sl: TStringList;
img: TfpgImage;
begin
Canvas.BeginDraw; // begin double buffering
inherited HandlePaint;
sl := TStringList.Create;
x := 8;
y := 8;
fpgImages.ListImages(sl);
for n := 0 to sl.Count-1 do
begin
Canvas.DrawString(x, y, sl[n]+':');
img := TfpgImage(sl.Objects[n]);
if img <> nil then
Canvas.DrawImage(x+130, y, img);
inc(y, img.Height+8);
if y > Height-32 then // largest images are 32 in height
begin
inc(x, 200);
y := 8;
end;
end;
Canvas.EndDraw;
sl.Free;
end;
procedure MainProc;
var
frm : TMainForm;
begin
fpgApplication.Initialize;
frm := TMainForm.Create(nil);
frm.Show;
fpgApplication.Run;
frm.Free;
end;
begin
MainProc;
end.
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