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choelzl
2022-04-07 18:46:57 +02:00
parent 88cb3426ad
commit 15e7120d6d
5316 changed files with 4563444 additions and 6 deletions
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cs440-acg/ext/openexr/OpenEXR/IlmImf/ImfDeepFrameBuffer.h Normal file
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///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2011, 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 IMFDEEPFRAMEBUFFER_H_
#define IMFDEEPFRAMEBUFFER_H_
#include "ImfFrameBuffer.h"
#include "ImfNamespace.h"
#include "ImfExport.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
//--------------------------------------------------------
// Description of a single deep slice of the frame buffer:
//--------------------------------------------------------
struct IMF_EXPORT DeepSlice : public Slice
{
//---------------------------------------------------------------------
// The stride for each sample in this slice.
//
// Memory layout: The address of sample i in pixel (x, y) is
//
// base + (xp / xSampling) * xStride + (yp / ySampling) * yStride
// + i * sampleStride
//
// where xp and yp are computed as follows:
//
// * If we are reading or writing a scanline-based file:
//
// xp = x
// yp = y
//
// * If we are reading a tile whose upper left coorner is at (xt, yt):
//
// if xTileCoords is true then xp = x - xt, else xp = x
// if yTileCoords is true then yp = y - yt, else yp = y
//
//---------------------------------------------------------------------
int sampleStride;
//------------
// Constructor
//------------
DeepSlice (PixelType type = HALF,
char * base = 0,
size_t xStride = 0,
size_t yStride = 0,
size_t sampleStride = 0,
int xSampling = 1,
int ySampling = 1,
double fillValue = 0.0,
bool xTileCoords = false,
bool yTileCoords = false);
};
//-----------------
// DeepFrameBuffer.
//-----------------
class IMF_EXPORT DeepFrameBuffer
{
public:
//------------
// Add a slice
//------------
void insert (const char name[],
const DeepSlice &slice);
void insert (const std::string &name,
const DeepSlice &slice);
//----------------------------------------------------------------
// Access to existing slices:
//
// [n] Returns a reference to the slice with name n.
// If no slice with name n exists, an IEX_NAMESPACE::ArgExc
// is thrown.
//
// findSlice(n) Returns a pointer to the slice with name n,
// or 0 if no slice with name n exists.
//
//----------------------------------------------------------------
DeepSlice & operator [] (const char name[]);
const DeepSlice & operator [] (const char name[]) const;
DeepSlice & operator [] (const std::string &name);
const DeepSlice & operator [] (const std::string &name) const;
DeepSlice * findSlice (const char name[]);
const DeepSlice * findSlice (const char name[]) const;
DeepSlice * findSlice (const std::string &name);
const DeepSlice * findSlice (const std::string &name) const;
//-----------------------------------------
// Iterator-style access to existing slices
//-----------------------------------------
typedef std::map <Name, DeepSlice> SliceMap;
class Iterator;
class ConstIterator;
Iterator begin ();
ConstIterator begin () const;
Iterator end ();
ConstIterator end () const;
Iterator find (const char name[]);
ConstIterator find (const char name[]) const;
Iterator find (const std::string &name);
ConstIterator find (const std::string &name) const;
//----------------------------------------------------
// Public function for accessing a sample count slice.
//----------------------------------------------------
void insertSampleCountSlice(const Slice & slice);
const Slice & getSampleCountSlice() const;
private:
SliceMap _map;
Slice _sampleCounts;
};
//----------
// Iterators
//----------
class DeepFrameBuffer::Iterator
{
public:
Iterator ();
Iterator (const DeepFrameBuffer::SliceMap::iterator &i);
Iterator & operator ++ ();
Iterator operator ++ (int);
const char * name () const;
DeepSlice & slice () const;
private:
friend class DeepFrameBuffer::ConstIterator;
DeepFrameBuffer::SliceMap::iterator _i;
};
class DeepFrameBuffer::ConstIterator
{
public:
ConstIterator ();
ConstIterator (const DeepFrameBuffer::SliceMap::const_iterator &i);
ConstIterator (const DeepFrameBuffer::Iterator &other);
ConstIterator & operator ++ ();
ConstIterator operator ++ (int);
const char * name () const;
const DeepSlice & slice () const;
private:
friend bool operator == (const ConstIterator &, const ConstIterator &);
friend bool operator != (const ConstIterator &, const ConstIterator &);
DeepFrameBuffer::SliceMap::const_iterator _i;
};
//-----------------
// Inline Functions
//-----------------
inline
DeepFrameBuffer::Iterator::Iterator (): _i()
{
// empty
}
inline
DeepFrameBuffer::Iterator::Iterator (const DeepFrameBuffer::SliceMap::iterator &i):
_i (i)
{
// empty
}
inline DeepFrameBuffer::Iterator &
DeepFrameBuffer::Iterator::operator ++ ()
{
++_i;
return *this;
}
inline DeepFrameBuffer::Iterator
DeepFrameBuffer::Iterator::operator ++ (int)
{
Iterator tmp = *this;
++_i;
return tmp;
}
inline const char *
DeepFrameBuffer::Iterator::name () const
{
return *_i->first;
}
inline DeepSlice &
DeepFrameBuffer::Iterator::slice () const
{
return _i->second;
}
inline
DeepFrameBuffer::ConstIterator::ConstIterator (): _i()
{
// empty
}
inline
DeepFrameBuffer::ConstIterator::ConstIterator
(const DeepFrameBuffer::SliceMap::const_iterator &i): _i (i)
{
// empty
}
inline
DeepFrameBuffer::ConstIterator::ConstIterator (const DeepFrameBuffer::Iterator &other):
_i (other._i)
{
// empty
}
inline DeepFrameBuffer::ConstIterator &
DeepFrameBuffer::ConstIterator::operator ++ ()
{
++_i;
return *this;
}
inline DeepFrameBuffer::ConstIterator
DeepFrameBuffer::ConstIterator::operator ++ (int)
{
ConstIterator tmp = *this;
++_i;
return tmp;
}
inline const char *
DeepFrameBuffer::ConstIterator::name () const
{
return *_i->first;
}
inline const DeepSlice &
DeepFrameBuffer::ConstIterator::slice () const
{
return _i->second;
}
inline bool
operator == (const DeepFrameBuffer::ConstIterator &x,
const DeepFrameBuffer::ConstIterator &y)
{
return x._i == y._i;
}
inline bool
operator != (const DeepFrameBuffer::ConstIterator &x,
const DeepFrameBuffer::ConstIterator &y)
{
return !(x == y);
}
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif /* IMFDEEPFRAMEBUFFER_H_ */