lazarus/components/images/lazxpm.pas
vincents ccd983b576 image components: fixed compilation
git-svn-id: trunk@11876 -
2007-08-28 20:12:24 +00:00

114 lines
3.0 KiB
ObjectPascal

{ Copyright (C) 2003 Mattias Gaertner
This library is free software; you can redistribute it and/or modify it
under the terms of the GNU Library General Public License as published by
the Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
for more details.
You should have received a copy of the GNU Library General Public License
along with this library; if not, write to the Free Software Foundation,
Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
}
unit LazXPM;
{$mode objfpc}{$H+}
interface
uses
SysUtils, Classes, FPImage, IntfGraphics, Graphics,
FPReadXPM, FPWriteXPM,
ClipBrd;
type
TXPMImage = class(TFPImageBitmap)
protected
procedure InitFPImageReader(IntfImg: TLazIntfImage; ImgReader: TFPCustomImageReader); override;
procedure FinalizeFPImageReader(ImgReader: TFPCustomImageReader); override;
procedure InitFPImageWriter(IntfImg: TLazIntfImage; ImgWriter: TFPCustomImageWriter); override;
public
constructor Create; override;
class function GetFileExtensions: string; override;
class function GetDefaultFPReader: TFPCustomImageReaderClass; override;
class function GetDefaultFPWriter: TFPCustomImageWriterClass; override;
end;
const
DefaultXPMMimeType = 'image/xpm';
procedure Register;
procedure UnRegister;
implementation
{ TXPMImage }
procedure TXPMImage.InitFPImageReader(IntfImg: TLazIntfImage; ImgReader: TFPCustomImageReader);
var
XPMReader: TFPReaderXPM;
begin
if ImgReader is TFPReaderXPM then begin
end;
inherited InitFPImageReader(IntfImg, ImgReader);
end;
procedure TXPMImage.FinalizeFPImageReader(ImgReader: TFPCustomImageReader);
var
XPMReader: TFPReaderXPM;
begin
if ImgReader is TFPReaderXPM then begin
XPMReader:=TFPReaderXPM(ImgReader);
end;
inherited FinalizeFPImageReader(ImgReader);
end;
procedure TXPMImage.InitFPImageWriter(IntfImg: TLazIntfImage; ImgWriter: TFPCustomImageWriter);
var
XPMWriter: TFPWriterXPM;
begin
if ImgWriter is TFPWriterXPM then begin
XPMWriter:=TFPWriterXPM(ImgWriter);
if XPMWriter<>nil then ;
end;
inherited InitFPImageWriter(IntfImg, ImgWriter);
end;
class function TXPMImage.GetDefaultFPReader: TFPCustomImageReaderClass;
begin
Result:=TFPReaderXPM;
end;
class function TXPMImage.GetDefaultFPWriter: TFPCustomImageWriterClass;
begin
Result:=TFPWriterXPM;
end;
constructor TXPMImage.Create;
begin
inherited Create;
end;
class function TXPMImage.GetFileExtensions: string;
begin
Result:='xpm';
end;
procedure Register;
begin
TPicture.RegisterFileFormat('xpm', 'XPM Image File', TXPMImage);
TPicture.RegisterClipboardFormat(RegisterClipboardFormat(DefaultXPMMimeType),
TXPMImage);
end;
procedure UnRegister;
begin
TPicture.UnregisterGraphicClass(TXPMImage);
end;
end.