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Open Source Computer Vision Library
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104 lines
3.0 KiB
104 lines
3.0 KiB
/////////////////////////////////////////////////////////////////////////// |
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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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