1 /* 2 Project: Graphos 3 GRFunctions.m 4 5 Utility functions. 6 7 Copyright (C) 2000-2013 GNUstep Application Project 8 9 Author: Enrico Sersale (original GDraw implementation) 10 Author: Ing. Riccardo Mottola 11 12 This application is free software; you can redistribute it and/or 13 modify it under the terms of the GNU General Public 14 License as published by the Free Software Foundation; either 15 version 2 of the License, or (at your option) any later version. 16 17 This application is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 20 Library General Public License for more details. 21 22 You should have received a copy of the GNU General Public 23 License along with this library; if not, write to the Free 24 Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 25 */ 26 27 #import <Foundation/NSGeometry.h> 28 29 30 NSPoint pointApplyingCostrainerToPoint(NSPoint p, NSPoint sp); 31 32 /** returns if the point is inside the boundaries of the given rect */ 33 BOOL pointInRect(NSRect rect, NSPoint p); 34 35 /** generates bounds from the coordinates and dimensions */ 36 NSRect GRMakeBounds(float x, float y, float width, float height); 37 38 /** Removes Zoom from a Point by reverse applying it */ 39 NSPoint GRpointDeZoom(NSPoint p, float zf); 40 41 /** Applies Zoom to a Point */ 42 NSPoint GRpointZoom(NSPoint p, float zf); 43 44 /** retuns the minimum of a and b */ 45 double grmin(double a, double b); 46 47 /** returns the maximum of a and b */ 48 double grmax(double a, double b); 49