view release on metacpan or  search on metacpan

src/Source/OpenEXR/IlmImf/ImfInputFile.h  view on Meta::CPAN

// *       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,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
///////////////////////////////////////////////////////////////////////////


#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 "ImfThreading.h"
#include "ImfGenericInputFile.h"
#include "ImfNamespace.h"
#include "ImfForward.h"
#include "ImfExport.h"

#include <fstream>


OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER


class IMF_EXPORT InputFile : public GenericInputFile
{
  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 (OPENEXR_IMF_INTERNAL_NAMESPACE::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;


    //---------------------------------------------------------------