+++ /dev/null
-///////////////////////////////////////////////////////////////////////////
-//
-// Copyright (c) 2003, 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_PREVIEW_IMAGE_H
-#define INCLUDED_IMF_PREVIEW_IMAGE_H
-
-//-----------------------------------------------------------------------------
-//
-// class PreviewImage -- a usually small, low-dynamic range image,
-// that is intended to be stored in an image file's header.
-//
-// struct PreviewRgba -- holds the value of a PreviewImage pixel.
-//
-//-----------------------------------------------------------------------------
-
-namespace Imf {
-
-
-struct PreviewRgba
-{
- unsigned char r; // Red, green and blue components of
- unsigned char g; // the pixel's color; intensity is
- unsigned char b; // proportional to pow (x/255, 2.2),
- // where x is r, g, or b.
-
- unsigned char a; // The pixel's alpha; 0 == transparent,
- // 255 == opaque.
-
- PreviewRgba (unsigned char r = 0,
- unsigned char g = 0,
- unsigned char b = 0,
- unsigned char a = 255)
- : r(r), g(g), b(b), a(a) {}
-};
-
-
-class PreviewImage
-{
- public:
-
- //--------------------------------------------------------------------
- // Constructor:
- //
- // PreviewImage(w,h,p) constructs a preview image with w by h pixels
- // whose initial values are specified in pixel array p. The x and y
- // coordinates of the pixels in p go from 0 to w-1, and from 0 to h-1.
- // The pixel with coordinates (x, y) is at address p + y*w + x.
- // Pixel (0, 0) is in the upper left corner of the preview image.
- // If p is zero, the pixels in the preview image are initialized with
- // (r = 0, b = 0, g = 0, a = 255).
- //
- //--------------------------------------------------------------------
-
- PreviewImage (unsigned int width = 0,
- unsigned int height = 0,
- const PreviewRgba pixels[] = 0);
-
- //-----------------------------------------------------
- // Copy constructor, destructor and assignment operator
- //-----------------------------------------------------
-
- PreviewImage (const PreviewImage &other);
- ~PreviewImage ();
-
- PreviewImage & operator = (const PreviewImage &other);
-
-
- //-----------------------------------------------
- // Access to width, height and to the pixel array
- //-----------------------------------------------
-
- unsigned int width () const {return _width;}
- unsigned int height () const {return _height;}
-
- PreviewRgba * pixels () {return _pixels;}
- const PreviewRgba * pixels () const {return _pixels;}
-
-
- //----------------------------
- // Access to individual pixels
- //----------------------------
-
- PreviewRgba & pixel (unsigned int x, unsigned int y)
- {return _pixels[y * _width + x];}
-
- const PreviewRgba & pixel (unsigned int x, unsigned int y) const
- {return _pixels[y * _width + x];}
-
- private:
-
- unsigned int _width;
- unsigned int _height;
- PreviewRgba * _pixels;
-};
-
-
-} // namespace Imf
-
-#endif
projects / opencv / blobdiff