Delphi 把一个ICO转换为BMP


// 方法1
var
  Icon  : TIcon;
  Bitmap : TBitmap;
begin
   Icon  := TIcon.Create;
   Bitmap := TBitmap.Create;
   Icon.LoadFromFile('c:\picture.ico'); //Load an ICO
from File
   Bitmap.Width := Icon.Width;
   Bitmap.Height := Icon.Height;
   Bitmap.Canvas.Draw(0, 0, Icon );
   Bitmap.SaveToFile('c:\picture.bmp'); //Convert ICO to
BMP!
   Icon.Free;
   Bitmap.Free;
end;

// 方法2
procedure TForm1.ConvertClick(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(Applicat
ion.ExeName)+ 'myfile.bmp');
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
image1.picture.icon.loadfromfile('c:\myicon.ico');
end;

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