| VRS - The Virtual Rendering System |
| version 3.3 |
00001 /********************************************************************** 00002 VRS - The Virtual Rendering System 00003 Copyright (C) 2001 Computer Graphics Systems Group at the 00004 Hasso-Plattner-Institute, Potsdam, Germany. 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Lesser General Public 00007 License as published by the Free Software Foundation; either 00008 version 2.1 of the License, or (at your option) any later version. 00009 This library is distributed in the hope that it will be useful, but 00010 WITHOUT ANY WARRANTY; without even the implied warranty of 00011 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 00012 See the GNU Lesser General Public License for more details. 00013 You should have received a copy of the GNU Lesser+ General Public 00014 License along with this library; if not, write to the FreeSoftware 00015 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA, 02111-1307, USA. 00016 **********************************************************************/ 00017 // $Id: imagehistogram.h 6014 2007-08-09 07:51:16Z Konstantin_Baumann $ 00018 // $Date: 2007-08-09 09:51:16 +0200 (Thu, 09 Aug 2007) $ 00019 // $Revision: 6014 $ 00020 // $State$ 00021 // $Author: Konstantin_Baumann $ 00022 // 00023 // $Log$ 00024 // Revision 1.12 2005/01/03 01:43:09 klimetschek 00025 // - modified win32 project layout, splitted vrs.vcproj into vrs_container, vrs_core, vrs_sg, vrs_image, vrs_opengl and vrs_io 00026 // - removed vrs.vcproj 00027 // minor things: 00028 // - added all glutexamples to vrs4glut.sln 00029 // - fixed some problems in glutexamples 00030 // - removed all project references from all VS projects (using solution wide project dependencies instead) 00031 // 00032 // Revision 1.11 2004/11/03 11:20:07 saar 00033 // Class comment changed (Doxygen style) 00034 // 00035 // Revision 1.10 2004/03/12 16:28:40 baumann 00036 // macros VRS_NAMESPACE_BEGIN/_END expanded and removed 00037 // 00038 // Revision 1.9 2003/11/07 14:19:24 kirsch 00039 // removed leading underscore from include guards 00040 // 00041 // Revision 1.8 2002/10/29 10:32:52 baumann 00042 // macros VRS_CLASSNAME_* and VRS_IMPL_TYPEINFO_* removed 00043 // 00044 // Revision 1.7 2002/03/03 21:44:25 kosta 00045 // VRS_TYPEINFO-macro rewritten 00046 // 00047 // Revision 1.6 2002/02/19 10:34:15 kosta 00048 // undone all changes since 2002-02-15 00049 // 00050 // Revision 1.3 2002/01/15 16:25:54 kosta 00051 // macros rewritten for a better namespace support 00052 // 00053 // Revision 1.2 2001/11/13 16:36:31 kirsch 00054 // changed line feed to unix style (removed control-M) 00055 // 00056 // Revision 1.1 2001/07/22 10:06:08 doellner 00057 // initial check-in 00058 // 00059 // Revision 1.1.1.1 2001/06/08 08:09:21 kirsch 00060 // imported alpha-version by olli 00061 // 00062 00063 00064 #ifndef VRS_IMAGE_IMAGEHISTOGRAM_H 00065 #define VRS_IMAGE_IMAGEHISTOGRAM_H 00066 00067 #include <vrs/image/imagemanipulator.h> 00068 00069 namespace VRS { 00070 00072 class VRS_CORE_API ImageHistogram : public SharedObj { 00073 public: 00074 ImageHistogram(Image* analyzedImage, int imageLayer); 00075 virtual ~ImageHistogram(); 00082 void clear(); 00083 void accumulate(Image* image, int imageLayer=-1); 00089 int tableSize() const; 00090 unsigned long table(int i) const; 00096 int minValue() const; 00097 int maxValue() const; 00098 unsigned long samples() const; 00099 double meanValue() const; 00100 /* The minimum and maximum pixel value encountered so far in the 00101 analyzed images can be inquired as well as the number of 00102 analyzed pixels and their mean value. 00103 */ 00104 00105 static void autoContrast(Image* image, int imageLayer); 00112 VRS_TYPEINFO(ImageHistogram, SharedObj); 00113 00114 private: 00115 int minValue_; 00116 int maxValue_; 00117 int tableSize_; 00118 unsigned long* table_; 00119 }; 00120 00121 } // namespace VRS 00122 00123 #endif // VRS_IMAGE_IMAGEHISTOGRAM_H