272 lines
6.0 KiB
C++
272 lines
6.0 KiB
C++
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Copyright (c) 2007, 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,
|
|
// 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_IMAGE_H
|
|
#define INCLUDED_IMAGE_H
|
|
|
|
//----------------------------------------------------------------------------
|
|
//
|
|
// Classes for storing OpenEXR images in memory.
|
|
//
|
|
//----------------------------------------------------------------------------
|
|
|
|
#include <ImfChannelList.h>
|
|
#include <ImfFrameBuffer.h>
|
|
#include <ImfArray.h>
|
|
#include <ImathBox.h>
|
|
#include <half.h>
|
|
|
|
#include <string>
|
|
#include <map>
|
|
|
|
#include "namespaceAlias.h"
|
|
|
|
class Image;
|
|
|
|
|
|
class ImageChannel
|
|
{
|
|
public:
|
|
|
|
friend class Image;
|
|
|
|
ImageChannel (Image &image);
|
|
virtual ~ImageChannel();
|
|
|
|
virtual IMF::Slice slice () const = 0;
|
|
|
|
Image & image () {return _image;}
|
|
const Image & image () const {return _image;}
|
|
virtual void black() =0;
|
|
private:
|
|
|
|
virtual void resize () = 0;
|
|
|
|
Image & _image;
|
|
};
|
|
|
|
|
|
template <class T>
|
|
class TypedImageChannel: public ImageChannel
|
|
{
|
|
public:
|
|
|
|
TypedImageChannel (Image &image, int xSampling, int ySampling);
|
|
|
|
virtual ~TypedImageChannel ();
|
|
|
|
IMF::PixelType pixelType () const;
|
|
|
|
virtual IMF::Slice slice () const;
|
|
|
|
|
|
private:
|
|
|
|
virtual void resize ();
|
|
virtual void black();
|
|
|
|
int _xSampling;
|
|
int _ySampling;
|
|
IMF::Array2D<T> _pixels;
|
|
};
|
|
|
|
|
|
typedef TypedImageChannel<half> HalfChannel;
|
|
typedef TypedImageChannel<float> FloatChannel;
|
|
typedef TypedImageChannel<unsigned int> UIntChannel;
|
|
|
|
|
|
class Image
|
|
{
|
|
public:
|
|
|
|
Image ();
|
|
Image (const IMATH_NAMESPACE::Box2i &dataWindow);
|
|
~Image ();
|
|
|
|
const IMATH_NAMESPACE::Box2i & dataWindow () const;
|
|
void resize (const IMATH_NAMESPACE::Box2i &dataWindow);
|
|
|
|
int width () const;
|
|
int height () const;
|
|
|
|
void addChannel (const std::string &name,
|
|
const IMF::Channel &channel);
|
|
|
|
ImageChannel & channel (const std::string &name);
|
|
const ImageChannel & channel (const std::string &name) const;
|
|
|
|
template <class T>
|
|
TypedImageChannel<T> & typedChannel (const std::string &name);
|
|
|
|
template <class T>
|
|
const TypedImageChannel<T> & typedChannel (const std::string &name) const;
|
|
|
|
|
|
|
|
private:
|
|
|
|
typedef std::map <std::string, ImageChannel *> ChannelMap;
|
|
|
|
IMATH_NAMESPACE::Box2i _dataWindow;
|
|
ChannelMap _channels;
|
|
};
|
|
|
|
|
|
//
|
|
// Implementation of templates and inline functions.
|
|
//
|
|
|
|
template <class T>
|
|
TypedImageChannel<T>::TypedImageChannel
|
|
(Image &image,
|
|
int xSampling,
|
|
int ySampling)
|
|
:
|
|
ImageChannel (image),
|
|
_xSampling (xSampling),
|
|
_ySampling (ySampling),
|
|
_pixels (0, 0)
|
|
{
|
|
resize();
|
|
}
|
|
|
|
|
|
template <class T>
|
|
TypedImageChannel<T>::~TypedImageChannel ()
|
|
{
|
|
// empty
|
|
}
|
|
|
|
|
|
template <>
|
|
inline IMF::PixelType
|
|
HalfChannel::pixelType () const
|
|
{
|
|
return IMF::HALF;
|
|
}
|
|
|
|
|
|
template <>
|
|
inline IMF::PixelType
|
|
FloatChannel::pixelType () const
|
|
{
|
|
return IMF::FLOAT;
|
|
}
|
|
|
|
|
|
template <>
|
|
inline IMF::PixelType
|
|
UIntChannel::pixelType () const
|
|
{
|
|
return IMF::UINT;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
IMF::Slice
|
|
TypedImageChannel<T>::slice () const
|
|
{
|
|
const IMATH_NAMESPACE::Box2i &dw = image().dataWindow();
|
|
int w = dw.max.x - dw.min.x + 1;
|
|
|
|
return IMF::Slice (pixelType(),
|
|
(char *) (&_pixels[0][0] -
|
|
dw.min.y / _ySampling * (w / _xSampling) -
|
|
dw.min.x / _xSampling),
|
|
sizeof (T),
|
|
(w / _xSampling) * sizeof (T),
|
|
_xSampling,
|
|
_ySampling);
|
|
}
|
|
|
|
|
|
template <class T>
|
|
void
|
|
TypedImageChannel<T>::resize ()
|
|
{
|
|
int width = image().width() / _xSampling;
|
|
int height = image().height() / _ySampling;
|
|
|
|
_pixels.resizeEraseUnsafe (height, width);
|
|
}
|
|
|
|
|
|
template <class T>
|
|
void
|
|
TypedImageChannel<T>::black ()
|
|
{
|
|
memset(&_pixels[0][0],0,image().width()/_xSampling*image().height()/_ySampling*sizeof(T));
|
|
}
|
|
|
|
|
|
inline const IMATH_NAMESPACE::Box2i &
|
|
Image::dataWindow () const
|
|
{
|
|
return _dataWindow;
|
|
}
|
|
|
|
|
|
inline int
|
|
Image::width () const
|
|
{
|
|
return _dataWindow.max.x - _dataWindow.min.x + 1;
|
|
}
|
|
|
|
|
|
inline int
|
|
Image::height () const
|
|
{
|
|
return _dataWindow.max.y - _dataWindow.min.y + 1;
|
|
}
|
|
|
|
|
|
template <class T>
|
|
TypedImageChannel<T> &
|
|
Image::typedChannel (const std::string &name)
|
|
{
|
|
return dynamic_cast <TypedImageChannel<T>&> (channel (name));
|
|
}
|
|
|
|
|
|
template <class T>
|
|
const TypedImageChannel<T> &
|
|
Image::typedChannel (const std::string &name) const
|
|
{
|
|
return dynamic_cast <const TypedImageChannel<T>&> (channel (name));
|
|
}
|
|
|
|
|
|
#endif
|