+++ /dev/null
-///////////////////////////////////////////////////////////////////////////
-//
-// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
-// Digital Ltd. LLC
-//
-// All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-// * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-// * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-// * Neither the name of Industrial Light & Magic nor the names of
-// its contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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-//
-///////////////////////////////////////////////////////////////////////////
-
-
-#ifndef INCLUDED_IMF_INPUT_FILE_H
-#define INCLUDED_IMF_INPUT_FILE_H
-
-//-----------------------------------------------------------------------------
-//
-// class InputFile -- a scanline-based interface that can be used
-// to read both scanline-based and tiled OpenEXR image files.
-//
-//-----------------------------------------------------------------------------
-
-#include <ImfHeader.h>
-#include <ImfFrameBuffer.h>
-#include <ImfTiledOutputFile.h>
-#include <string>
-#include <fstream>
-#include <ImfThreading.h>
-
-namespace Imf {
-
-class TiledInputFile;
-class ScanLineInputFile;
-
-
-class InputFile
-{
- public:
-
- //-----------------------------------------------------------
- // A constructor that opens the file with the specified name.
- // Destroying the InputFile object will close the file.
- //
- // numThreads determines the number of threads that will be
- // used to read the file (see ImfThreading.h).
- //-----------------------------------------------------------
-
- InputFile (const char fileName[], int numThreads = globalThreadCount());
-
-
- //-------------------------------------------------------------
- // A constructor that attaches the new InputFile object to a
- // file that has already been opened. Destroying the InputFile
- // object will not close the file.
- //
- // numThreads determines the number of threads that will be
- // used to read the file (see ImfThreading.h).
- //-------------------------------------------------------------
-
- InputFile (IStream &is, int numThreads = globalThreadCount());
-
-
- //-----------
- // Destructor
- //-----------
-
- virtual ~InputFile ();
-
-
- //------------------------
- // Access to the file name
- //------------------------
-
- const char * fileName () const;
-
-
- //--------------------------
- // Access to the file header
- //--------------------------
-
- const Header & header () const;
-
-
- //----------------------------------
- // Access to the file format version
- //----------------------------------
-
- int version () const;
-
-
- //-----------------------------------------------------------
- // Set the current frame buffer -- copies the FrameBuffer
- // object into the InputFile object.
- //
- // The current frame buffer is the destination for the pixel
- // data read from the file. The current frame buffer must be
- // set at least once before readPixels() is called.
- // The current frame buffer can be changed after each call
- // to readPixels().
- //-----------------------------------------------------------
-
- void setFrameBuffer (const FrameBuffer &frameBuffer);
-
-
- //-----------------------------------
- // Access to the current frame buffer
- //-----------------------------------
-
- const FrameBuffer & frameBuffer () const;
-
-
- //---------------------------------------------------------------
- // Check if the file is complete:
- //
- // isComplete() returns true if all pixels in the data window are
- // present in the input file, or false if any pixels are missing.
- // (Another program may still be busy writing the file, or file
- // writing may have been aborted prematurely.)
- //---------------------------------------------------------------
-
- bool isComplete () const;
-
-
- //---------------------------------------------------------------
- // Read pixel data:
- //
- // readPixels(s1,s2) reads all scan lines with y coordinates
- // in the interval [min (s1, s2), max (s1, s2)] from the file,
- // and stores them in the current frame buffer.
- //
- // Both s1 and s2 must be within the interval
- // [header().dataWindow().min.y, header().dataWindow().max.y]
- //
- // The scan lines can be read from the file in random order, and
- // individual scan lines may be skipped or read multiple times.
- // For maximum efficiency, the scan lines should be read in the
- // order in which they were written to the file.
- //
- // readPixels(s) calls readPixels(s,s).
- //
- //---------------------------------------------------------------
-
- void readPixels (int scanLine1, int scanLine2);
- void readPixels (int scanLine);
-
-
- //----------------------------------------------
- // Read a block of raw pixel data from the file,
- // without uncompressing it (this function is
- // used to implement OutputFile::copyPixels()).
- //----------------------------------------------
-
- void rawPixelData (int firstScanLine,
- const char *&pixelData,
- int &pixelDataSize);
-
- //--------------------------------------------------
- // Read a tile of raw pixel data from the file,
- // without uncompressing it (this function is
- // used to implement TiledOutputFile::copyPixels()).
- //--------------------------------------------------
-
- void rawTileData (int &dx, int &dy,
- int &lx, int &ly,
- const char *&pixelData,
- int &pixelDataSize);
-
- struct Data;
-
- private:
-
- InputFile (const InputFile &); // not implemented
- InputFile & operator = (const InputFile &); // not implemented
-
- void initialize ();
- TiledInputFile * tFile ();
-
- friend void TiledOutputFile::copyPixels (InputFile &);
-
- Data * _data;
-};
-
-
-} // namespace Imf
-
-#endif
projects / opencv / blobdiff