Conversion from ICO to BMP

Solution 1

Try:

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;

Solution 2

Is there an algorithm or routine to convert 32x32 bit Bitmaps to ICO's?

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.