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105 lines
3.0 KiB
C++
105 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2004, Industrial Light & Magic, a division of Lucas
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// Digital Ltd. LLC
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Industrial Light & Magic nor the names of
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// its contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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///////////////////////////////////////////////////////////////////////////
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#ifndef INCLUDED_IMF_RGBA_H
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#define INCLUDED_IMF_RGBA_H
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//-----------------------------------------------------------------------------
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//
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// class Rgba
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//
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//-----------------------------------------------------------------------------
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#include "half.h"
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namespace Imf {
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//
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// RGBA pixel
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//
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struct Rgba
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{
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half r;
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half g;
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half b;
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half a;
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Rgba () {}
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Rgba (half r, half g, half b, half a = 1.f): r (r), g (g), b (b), a (a) {}
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Rgba & operator = (const Rgba &other)
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{
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r = other.r;
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g = other.g;
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b = other.b;
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a = other.a;
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return *this;
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}
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};
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//
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// Channels in an RGBA file
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//
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enum RgbaChannels
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{
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WRITE_R = 0x01, // Red
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WRITE_G = 0x02, // Green
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WRITE_B = 0x04, // Blue
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WRITE_A = 0x08, // Alpha
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WRITE_Y = 0x10, // Luminance, for black-and-white images,
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// or in combination with chroma
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WRITE_C = 0x20, // Chroma (two subsampled channels, RY and BY,
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// supported only for scanline-based files)
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WRITE_RGB = 0x07, // Red, green, blue
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WRITE_RGBA = 0x0f, // Red, green, blue, alpha
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WRITE_YC = 0x30, // Luminance, chroma
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WRITE_YA = 0x18, // Luminance, alpha
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WRITE_YCA = 0x38 // Luminance, chroma, alpha
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};
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} // namespace Imf
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#endif
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