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///////////////////////////////////////////////////////////////////////////
//
// 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,
// 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_RGBA_H
#define INCLUDED_IMF_RGBA_H
//-----------------------------------------------------------------------------
//
// class Rgba
//
//-----------------------------------------------------------------------------
#include "half.h"
#include "ImfNamespace.h"
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_ENTER
//
// RGBA pixel
//
struct Rgba
{
half r;
half g;
half b;
half a;
Rgba () {}
Rgba (half r, half g, half b, half a = 1.f): r (r), g (g), b (b), a (a) {}
Rgba & operator = (const Rgba &other)
{
r = other.r;
g = other.g;
b = other.b;
a = other.a;
return *this;
}
};
//
// Channels in an RGBA file
//
enum RgbaChannels
{
WRITE_R = 0x01, // Red
WRITE_G = 0x02, // Green
WRITE_B = 0x04, // Blue
WRITE_A = 0x08, // Alpha
WRITE_Y = 0x10, // Luminance, for black-and-white images,
// or in combination with chroma
WRITE_C = 0x20, // Chroma (two subsampled channels, RY and BY,
// supported only for scanline-based files)
WRITE_RGB = 0x07, // Red, green, blue
WRITE_RGBA = 0x0f, // Red, green, blue, alpha
WRITE_YC = 0x30, // Luminance, chroma
WRITE_YA = 0x18, // Luminance, alpha
WRITE_YCA = 0x38 // Luminance, chroma, alpha
};
OPENEXR_IMF_INTERNAL_NAMESPACE_HEADER_EXIT
#endif
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