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common/vtkWindowLevelLookupTable.h

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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    %M%
00005   Language:  C++
00006 
00007 Copyright (c) 1993-2001 Ken Martin, Will Schroeder, Bill Lorensen 
00008 All rights reserved.
00009 
00010 Redistribution and use in source and binary forms, with or without
00011 modification, are permitted provided that the following conditions are met:
00012 
00013  * Redistributions of source code must retain the above copyright notice,
00014    this list of conditions and the following disclaimer.
00015 
00016  * Redistributions in binary form must reproduce the above copyright notice,
00017    this list of conditions and the following disclaimer in the documentation
00018    and/or other materials provided with the distribution.
00019 
00020  * Neither name of Ken Martin, Will Schroeder, or Bill Lorensen nor the names
00021    of any contributors may be used to endorse or promote products derived
00022    from this software without specific prior written permission.
00023 
00024  * Modified source versions must be plainly marked as such, and must not be
00025    misrepresented as being the original software.
00026 
00027 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
00028 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00029 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00030 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
00031 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00032 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00033 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00034 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00035 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00036 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00037 
00038 =========================================================================*/
00064 #ifndef __vtkWindowLevelLookupTable_h
00065 #define __vtkWindowLevelLookupTable_h
00066 
00067 #include "vtkObject.h"
00068 #include "vtkLookupTable.h"
00069 
00070 class VTK_EXPORT vtkWindowLevelLookupTable : public vtkLookupTable
00071 {
00072 public:
00073   static vtkWindowLevelLookupTable *New();
00074   vtkTypeMacro(vtkWindowLevelLookupTable,vtkLookupTable);
00075   void PrintSelf(ostream& os, vtkIndent indent);
00076 
00079   void Build();
00080 
00083   vtkSetClampMacro(Window,float,1.0,65536.0);
00084   vtkGetMacro(Window,float);
00085 
00088   vtkSetMacro(Level,float);
00089   vtkGetMacro(Level,float);
00090 
00092   vtkSetMacro(InverseVideo,int);
00093   vtkGetMacro(InverseVideo,int);
00094   vtkBooleanMacro(InverseVideo,int);
00095 
00098   vtkSetVector4Macro(MinimumColor,unsigned char);
00099   vtkGetVectorMacro(MinimumColor,unsigned char,4);
00100 
00103   vtkSetVector4Macro(MaximumColor,unsigned char);
00104   vtkGetVectorMacro(MaximumColor,unsigned char,4);
00105 
00106 protected:
00107   vtkWindowLevelLookupTable(int sze=256, int ext=256);
00108   ~vtkWindowLevelLookupTable() {};
00109   vtkWindowLevelLookupTable(const vtkWindowLevelLookupTable&) {};
00110   void operator=(const vtkWindowLevelLookupTable&) {};
00111 
00112   float Window;
00113   float Level;
00114   int MapScalarToIndex (float scalar);
00115   int InverseVideo;
00116   unsigned char MinimumColor[4];
00117   unsigned char MaximumColor[4];
00118 };
00119 
00120 #endif
00121 
00122 

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