X-Git-Url: http://git.maemo.org/git/?p=opencv;a=blobdiff_plain;f=3rdparty%2Finclude%2FOpenEXR%2FImathInterval.h;fp=3rdparty%2Finclude%2FOpenEXR%2FImathInterval.h;h=2d9d7d37b59fa43b2f87abc3dc8bfcc2c9a11c1a;hp=0000000000000000000000000000000000000000;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hpb=454138ff8a20f6edb9b65a910101403d8b520643 diff --git a/3rdparty/include/OpenEXR/ImathInterval.h b/3rdparty/include/OpenEXR/ImathInterval.h new file mode 100644 index 0000000..2d9d7d3 --- /dev/null +++ b/3rdparty/include/OpenEXR/ImathInterval.h @@ -0,0 +1,224 @@ +/////////////////////////////////////////////////////////////////////////// +// +// Copyright (c) 2002, 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_IMATHINTERVAL_H +#define INCLUDED_IMATHINTERVAL_H + + +//------------------------------------------------------------------- +// +// class Imath::Interval +// -------------------------------- +// +// An Interval has a min and a max and some miscellaneous +// functions. It is basically a Box that allows T to be +// a scalar. +// +//------------------------------------------------------------------- + +#include "ImathVec.h" + +namespace Imath { + + +template +class Interval +{ + public: + + //------------------------- + // Data Members are public + //------------------------- + + T min; + T max; + + //----------------------------------------------------- + // Constructors - an "empty" Interval is created by default + //----------------------------------------------------- + + Interval(); + Interval(const T& point); + Interval(const T& minT, const T& maxT); + + //-------------------------------- + // Operators: we get != from STL + //-------------------------------- + + bool operator == (const Interval &src) const; + + //------------------ + // Interval manipulation + //------------------ + + void makeEmpty(); + void extendBy(const T& point); + void extendBy(const Interval& interval); + + //--------------------------------------------------- + // Query functions - these compute results each time + //--------------------------------------------------- + + T size() const; + T center() const; + bool intersects(const T &point) const; + bool intersects(const Interval &interval) const; + + //---------------- + // Classification + //---------------- + + bool hasVolume() const; + bool isEmpty() const; +}; + + +//-------------------- +// Convenient typedefs +//-------------------- + + +typedef Interval Intervalf; +typedef Interval Intervald; +typedef Interval Intervals; +typedef Interval Intervali; + +//---------------- +// Implementation +//---------------- + + +template +inline Interval::Interval() +{ + makeEmpty(); +} + +template +inline Interval::Interval(const T& point) +{ + min = point; + max = point; +} + +template +inline Interval::Interval(const T& minV, const T& maxV) +{ + min = minV; + max = maxV; +} + +template +inline bool +Interval::operator == (const Interval &src) const +{ + return (min == src.min && max == src.max); +} + +template +inline void +Interval::makeEmpty() +{ + min = limits::max(); + max = limits::min(); +} + +template +inline void +Interval::extendBy(const T& point) +{ + if ( point < min ) + min = point; + + if ( point > max ) + max = point; +} + +template +inline void +Interval::extendBy(const Interval& interval) +{ + if ( interval.min < min ) + min = interval.min; + + if ( interval.max > max ) + max = interval.max; +} + +template +inline bool +Interval::intersects(const T& point) const +{ + return point >= min && point <= max; +} + +template +inline bool +Interval::intersects(const Interval& interval) const +{ + return interval.max >= min && interval.min <= max; +} + +template +inline T +Interval::size() const +{ + return max-min; +} + +template +inline T +Interval::center() const +{ + return (max+min)/2; +} + +template +inline bool +Interval::isEmpty() const +{ + return max < min; +} + +template +inline bool Interval::hasVolume() const +{ + return max > min; +} + +} // namespace Imath + +#endif