Алгоритмы: Преобразование ICO в BMP

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Решение 1

Попробуйте:

//--------------------------------------------------------------------------------
var
Icon : TIcon;
Bitmap : TBitmap;
begin
Icon := TIcon.Create;
Bitmap := TBitmap.Create;
Icon.LoadFromFile('c:\picture.ico');
Bitmap.Width := Icon.Width;
Bitmap.Height := Icon.Height;
Bitmap.Canvas.Draw(0, 0, Icon);
Bitmap.SaveToFile('c:\picture.bmp');
Icon.Free;
Bitmap.Free;
end;

Решение 2
Способ преобразования изображения размером 32x32 в иконку.

//--------------------------------------------------------------------------------
unit main;

interface

uses

Windows, Messages, SysUtils, Classes, Graphics, Controls,
Forms,Dialogs,ExtCtrls, StdCtrls;

type

TForm1 = class(TForm)
Button1: TButton;
Image1: TImage;
Image2: TImage;
procedure Button1Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var

Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
var winDC, srcdc, destdc : HDC;

oldBitmap : HBitmap;
iinfo : TICONINFO;
begin

GetIconInfo(Image1.Picture.Icon.Handle, iinfo);

WinDC := getDC(handle);
srcDC := CreateCompatibleDC(WinDC);
destDC := CreateCompatibleDC(WinDC);
oldBitmap := SelectObject(destDC, iinfo.hbmColor);
oldBitmap := SelectObject(srcDC, iinfo.hbmMask);

BitBlt(destdc, 0, 0, Image1.picture.icon.width,
Image1.picture.icon.height,
srcdc, 0, 0, SRCPAINT);
Image2.picture.bitmap.handle := SelectObject(destDC, oldBitmap);
DeleteDC(destDC);
DeleteDC(srcDC);
DeleteDC(WinDC);

image2.Picture.Bitmap.savetofile(ExtractFilePath(Application.ExeName)
+ 'myfile.bmp');
end;

procedure TForm1.FormCreate(Sender: TObject);
begin

image1.picture.icon.loadfromfile('c:\myicon.ico');
end;

end.