const Romans: Array[1..13] of String = ('I', 'IV', 'V', 'IX', 'X', 'XL', 'L', 'XC', 'C', 'CD', 'D', 'CM', 'M');
Arabics: Array[1..13] of integer = (1, 4, 5, 9, 10, 40, 50, 90, 100, 400, 500, 900, 1000);
var
i: Integer;
scratch: String;
begin
scratch:= '';
for i := 13 downto 1 do
while (decimal >= arabics[i]) do begin
Decimal:= Decimal – Arabics[i];
scratch:= scratch + Romans[i];
end;
Result:= scratch;
end;
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;
Способ преобразования изображения размером 32×32 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.
Данный модуль позволяет читать и записывать файлы формата Unix.
unit StreamFile;
interface
Uses SysUtils;
Procedure AssignStreamFile(var f: text; FileName: String);
implementation
Const BufferSize = 128;
Type
TStreamBuffer = Array[1..High(Integer)] of Char;
TStreamBufferPointer = ^TStreamBuffer;
TStreamFileRecord = Record
Case Integer Of
1: (
Filehandle: Integer;
Buffer: TStreamBufferPointer;
BufferOffset: Integer;
ReadCount: Integer;
);
2: (
Dummy : Array[1..32] Of Char
)
End;
Function StreamFileOpen(var f : TTextRec): Integer;
Var
Status: Integer;
Begin
With TStreamFileRecord (F.UserData) Do Begin
GetMem(Buffer, BufferSize);
Case F.Mode Of
fmInput:
