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00001 #ifndef COIN_SBBOX2I32_H 00002 #define COIN_SBBOX2I32_H 00003 00004 /**************************************************************************\ 00005 * 00006 * This file is part of the Coin 3D visualization library. 00007 * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved. 00008 * 00009 * This library is free software; you can redistribute it and/or 00010 * modify it under the terms of the GNU General Public License 00011 * ("GPL") version 2 as published by the Free Software Foundation. 00012 * See the file LICENSE.GPL at the root directory of this source 00013 * distribution for additional information about the GNU GPL. 00014 * 00015 * For using Coin with software that can not be combined with the GNU 00016 * GPL, and for taking advantage of the additional benefits of our 00017 * support services, please contact Systems in Motion about acquiring 00018 * a Coin Professional Edition License. 00019 * 00020 * See http://www.coin3d.org/ for more information. 00021 * 00022 * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00023 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00024 * 00025 \**************************************************************************/ 00026 00027 #include <Inventor/SbVec2i32.h> 00028 #include <Inventor/SbVec2f.h> 00029 00030 class SbBox2s; 00031 class SbBox2f; 00032 class SbBox2d; 00033 00034 class COIN_DLL_API SbBox2i32 { 00035 public: 00036 SbBox2i32(void) { makeEmpty(); } 00037 SbBox2i32(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax) 00038 : minpt(xmin, ymin), maxpt(xmax, ymax) { } 00039 SbBox2i32(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint) 00040 : minpt(minpoint), maxpt(maxpoint) { } 00041 explicit SbBox2i32(const SbBox2s & box) { setBounds(box); } 00042 explicit SbBox2i32(const SbBox2f & box) { setBounds(box); } 00043 explicit SbBox2i32(const SbBox2d & box) { setBounds(box); } 00044 00045 SbBox2i32 & setBounds(int32_t xmin, int32_t ymin, int32_t xmax, int32_t ymax) 00046 { minpt.setValue(xmin, ymin); maxpt.setValue(xmax, ymax); return *this; } 00047 SbBox2i32 & setBounds(const SbVec2i32 & minpoint, const SbVec2i32 & maxpoint) 00048 { minpt = minpoint; maxpt = maxpoint; return *this; } 00049 SbBox2i32 & setBounds(const SbBox2s & box); 00050 SbBox2i32 & setBounds(const SbBox2f & box); 00051 SbBox2i32 & setBounds(const SbBox2d & box); 00052 00053 void getBounds(int32_t & xmin, int32_t & ymin, int32_t & xmax, int32_t & ymax) const 00054 { minpt.getValue(xmin, ymin); maxpt.getValue(xmax, ymax); } 00055 void getBounds(SbVec2i32 & minpoint, SbVec2i32 & maxpoint) const 00056 { minpoint = minpt; maxpoint = maxpt; } 00057 00058 const SbVec2i32 & getMin(void) const { return minpt; } 00059 SbVec2i32 & getMin(void) { return minpt; } 00060 const SbVec2i32 & getMax(void) const { return maxpt; } 00061 SbVec2i32 & getMax(void) { return maxpt; } 00062 00063 void extendBy(const SbVec2i32 & point); 00064 void extendBy(const SbBox2i32 & box); 00065 void makeEmpty(void); 00066 SbBool isEmpty(void) const { return (maxpt[0] < minpt[0]); } 00067 SbBool hasArea(void) const { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1])); } 00068 00069 SbBool intersect(const SbVec2i32 & point) const; 00070 SbBool intersect(const SbBox2i32 & box) const; 00071 00072 SbVec2f getCenter(void) const { return SbVec2f((minpt[0] + maxpt[0]) * 0.5f, (minpt[0] + maxpt[0]) * 0.5f); } 00073 void getOrigin(int32_t & originX, int32_t & originY) const 00074 { minpt.getValue(originX, originY); } 00075 void getSize(int32_t & sizeX, int32_t & sizeY) const 00076 { if (isEmpty()) { sizeX = sizeY = 0; } 00077 else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; } } 00078 float getAspectRatio(void) const 00079 { SbDividerChk("SbBox2i32::getAspectRatio()", maxpt[1] - minpt[1]); 00080 return float(maxpt[0] - minpt[0]) / float(maxpt[1] - minpt[1]); } 00081 00082 private: 00083 SbVec2i32 minpt, maxpt; 00084 00085 }; // SbBox2i32 00086 00087 COIN_DLL_API inline int operator == (const SbBox2i32 & b1, const SbBox2i32 & b2) { 00088 return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax())); 00089 } 00090 00091 COIN_DLL_API inline int operator != (const SbBox2i32 & b1, const SbBox2i32 & b2) { 00092 return !(b1 == b2); 00093 } 00094 00095 #endif // !COIN_SBBOX2I32_H
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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