RMFoundation.h
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//
// RMFoundation.h
//
// Copyright (c) 2008-2013, Route-Me Contributors
// 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.
//
// 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 _RMFOUNDATION_H_
#define _RMFOUNDATION_H_
#include <stdbool.h>
#if __OBJC__
#import <CoreLocation/CoreLocation.h>
#endif
/*! \struct RMProjectedPoint
\brief coordinates, in projected meters, paralleling CGPoint */
typedef struct {
double x, y;
} RMProjectedPoint;
/*! \struct RMProjectedSize
\brief width/height struct, in projected meters, paralleling CGSize */
typedef struct {
double width, height;
} RMProjectedSize;
/*! \struct RMProjectedRect
\brief location and size, in projected meters, paralleling CGRect */
typedef struct {
RMProjectedPoint origin;
RMProjectedSize size;
} RMProjectedRect;
#if __OBJC__
/*! \struct RMSphericalTrapezium
\brief a rectangle, specified by two corner coordinates */
typedef struct {
CLLocationCoordinate2D southWest;
CLLocationCoordinate2D northEast;
} RMSphericalTrapezium;
#endif
#pragma mark -
RMProjectedPoint RMScaleProjectedPointAboutPoint(RMProjectedPoint point, float factor, RMProjectedPoint pivot);
RMProjectedRect RMScaleProjectedRectAboutPoint(RMProjectedRect rect, float factor, RMProjectedPoint pivot);
RMProjectedPoint RMTranslateProjectedPointBy(RMProjectedPoint point, RMProjectedSize delta);
RMProjectedRect RMTranslateProjectedRectBy(RMProjectedRect rect, RMProjectedSize delta);
#pragma mark -
bool RMProjectedPointEqualToProjectedPoint(RMProjectedPoint point1, RMProjectedPoint point2);
bool RMProjectedRectIntersectsProjectedRect(RMProjectedRect rect1, RMProjectedRect rect2);
bool RMProjectedRectContainsProjectedRect(RMProjectedRect rect1, RMProjectedRect rect2);
bool RMProjectedRectContainsProjectedPoint(RMProjectedRect rect, RMProjectedPoint point);
bool RMProjectedSizeContainsProjectedSize(RMProjectedSize size1, RMProjectedSize size2);
#pragma mark -
// Union of two rectangles
RMProjectedRect RMProjectedRectUnion(RMProjectedRect rect1, RMProjectedRect rect2);
// Rect intersection
RMProjectedRect RMProjectedRectIntersection(RMProjectedRect rect1, RMProjectedRect rect2);
RMProjectedPoint RMProjectedPointMake(double x, double y);
RMProjectedRect RMProjectedRectMake(double x, double y, double width, double height);
RMProjectedSize RMProjectedSizeMake(double width, double heigth);
RMProjectedRect RMProjectedRectZero();
bool RMProjectedRectIsZero(RMProjectedRect rect);
#pragma mark -
double RMEuclideanDistanceBetweenProjectedPoints(RMProjectedPoint point1, RMProjectedPoint point2);
#pragma mark -
void RMLogProjectedPoint(RMProjectedPoint point);
void RMLogProjectedRect(RMProjectedRect rect);
#endif