// @(#)root/graf:$Name:  $:$Id: TImage.cxx,v 1.1 2002/08/09 13:56:00 rdm Exp $
// Author: Fons Rademakers   15/10/2001

/*************************************************************************
 * Copyright (C) 1995-2001, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TImage                                                               //
//                                                                      //
// Abstract interface to image processing library.                      //
// It allows for the reading and writing of images in different         //
// formats, several image manipulations (scaling, tiling, merging,      //
// etc.) and displaying in pads.                                        //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#include "TImage.h"
#include "TROOT.h"
#include "TPluginManager.h"


ClassImp(TImage)

//______________________________________________________________________________
 TImage *TImage::Create()
{
   // Create an image. Use ReadImage() or SetImage() to initialize the image.

   TPluginHandler *h;
   TImage *img = 0;

   if ((h = gROOT->GetPluginManager()->FindHandler("TImage"))) {
      if (h->LoadPlugin() == -1)
         return 0;
      img = (TImage *) h->ExecPlugin(0);
   }
   return img;
}

//______________________________________________________________________________
 TImage *TImage::Open(const char *file, EImageFileTypes type)
{
   // Open a specified image file.

   TImage *img = Create();

   if (img)
      img->ReadImage(file, type);

   return img;
}

//______________________________________________________________________________
 TImage *TImage::Open(const char *name, const Double_t *imageData, UInt_t width,
                     UInt_t height, TImagePalette *palette)
{
   // Open an image with the specified data in a Double_t array.

   TImage *img = Create();

   if (img) {
      img->SetImage(imageData, width, height, palette);
      img->SetName(name);
   }
   return img;
}

//______________________________________________________________________________
 TImage *TImage::Open(const char *name, const TArrayD &imageData, UInt_t width,
                     TImagePalette *palette)
{
   // Open an image with the specified data in a TArrayD.

   TImage *img = Create();

   if (img) {
      img->SetImage(imageData, width, palette);
      img->SetName(name);
   }
   return img;
}

//______________________________________________________________________________
 TImage *TImage::Open(const char *name, const TVectorD &imageData, UInt_t width,
                     TImagePalette *palette)
{
   // Open an image with the specified data in a TVectorD.

   TImage *img = Create();

   if (img) {
      img->SetImage(imageData, width, palette);
      img->SetName(name);
   }
   return img;
}


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