X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FmaracasVisuLib%2Fsrc%2Finterface%2FwxWindows%2Fwidgets%2FThresholdImageView%2FColorLayerImageView.cxx;h=a512a272e1a30804c1a5ebd9c169e706628f1f87;hb=aa1986d6732437e9f55291e5cbe309aea9c7d3b8;hp=0e8d56333186eb8717f15f1d138952819abc7cce;hpb=56a256c7d1687cb895052aa6353260654820e0eb;p=creaMaracasVisu.git diff --git a/lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/ColorLayerImageView.cxx b/lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/ColorLayerImageView.cxx index 0e8d563..a512a27 100644 --- a/lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/ColorLayerImageView.cxx +++ b/lib/maracasVisuLib/src/interface/wxWindows/widgets/ThresholdImageView/ColorLayerImageView.cxx @@ -1,7 +1,33 @@ +/*# --------------------------------------------------------------------- +# +# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image +# pour la Sant�) +# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton +# Previous Authors : Laurent Guigues, Jean-Pierre Roux +# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil +# +# This software is governed by the CeCILL-B license under French law and +# abiding by the rules of distribution of free software. You can use, +# modify and/ or redistribute the software under the terms of the CeCILL-B +# license as circulated by CEA, CNRS and INRIA at the following URL +# http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html +# or in the file LICENSE.txt. +# +# As a counterpart to the access to the source code and rights to copy, +# modify and redistribute granted by the license, users are provided only +# with a limited warranty and the software's author, the holder of the +# economic rights, and the successive licensors have only limited +# liability. +# +# The fact that you are presently reading this means that you have had +# knowledge of the CeCILL-B license and that you accept its terms. +# ------------------------------------------------------------------------ */ /** * \file - * \brief Class bbtk::ThresholdImageView . + * \author Eduardo Davila and Claire Mouton. + * \brief Class bbtk::ThresholdImageView. + * \date September 2012 */ #include "ColorLayerImageView.h" @@ -10,117 +36,344 @@ #include #include +#include - //========================================================================= - //========================================================================= - //========================================================================= - //========================================================================= - ColorLayerImageView::ColorLayerImageView( ) - { - _z2 = 0; - _fix_dinamic = true; - } - //========================================================================= - ColorLayerImageView::~ColorLayerImageView() - { - } - //========================================================================= +//========================================================================= +//========================================================================= +//========================================================================= +//========================================================================= +ColorLayerImageView::ColorLayerImageView( ) +{ + _z2 = 0; + _fix_dynamic = true; + _color_type = false; +} + +//========================================================================= +ColorLayerImageView::~ColorLayerImageView() +{ +} +//========================================================================= + +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetSliceFixDynamic(bool fix_dynamic) +{ + _fix_dynamic = fix_dynamic; +} + +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetX2(int x2) +{ + _x2 = x2; +} //---------------------------------------------------------------------------- -void ColorLayerImageView::SetSliceFixDinamic(bool fix_dinamic) +void ColorLayerImageView::SetY2(int y2) { - _fix_dinamic = fix_dinamic; + _y2 = y2; } + //---------------------------------------------------------------------------- void ColorLayerImageView::SetZ2(int z2) { - _z2 = z2; + _z2 = z2; +} + + + +//---------------------------------------------------------------------------- +int ColorLayerImageView::GetX() // virtual +{ + int result=0; + if (_fix_dynamic==false) + { + result = _x2; + } + else + { + result = LayerImageBase::GetX(); + } + + return result; +} + +//---------------------------------------------------------------------------- +int ColorLayerImageView::GetY() // virtual +{ + int result=0; + if (_fix_dynamic==false) + { + result = _y2; + } + else + { + result = LayerImageBase::GetY(); + } + + return result; } //---------------------------------------------------------------------------- int ColorLayerImageView::GetZ() // virtual { - int result=0; - if (_fix_dinamic==false) - { - result = _z2; - } else { - result = LayerImageBase::GetZ(); - } + int result=0; + if (_fix_dynamic==false) + { + result = _z2; + } + else + { + result = LayerImageBase::GetZ(); + } - return result; + return result; } +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetBaseColors(std::vector & base_color) +{ + // The base color vector must be of a size multiple of 3, not null. + if (base_color.size() != 0 && base_color.size() % 3 == 0) + _base_color = base_color; + // Otherwise, an exception should be thrown. + else if (base_color.size() != 0) + std::cout << "CM ColorLayerImageView::SetBaseColors : ERROR!!! The base color vector has an inconsistent size. It must be of a size multiple of 3, different from 0, but its size is: "<< base_color.size() << ". Therefore, the default values will be used as base colors." << std::endl; +} //---------------------------------------------------------------------------- -void ColorLayerImageView::ConfigLookupTable() // virtual +double ColorLayerImageView::GetBaseColors(unsigned int index) { - double range[2]; - - GetImage()->GetScalarRange(range); - if (range[1]==0) - { - range[1]=255; - } - - int minTot = floor (range[0]); - int maxTot = ceil (range[1]); - + if (_base_color.size() > index) + return _base_color.at(index); + // An exception should be thrown if the index does not exist in the color vector. + else + { + std::cout << "CM ColorLayerImageView::GetBaseColors : ERROR!!! The index " << index << "is out of the base color vector range." << std ::endl; + return -1.0; + } +} - vtkLookupTable* thresholdTable = GetThresholdTable(); - thresholdTable->SetNumberOfTableValues(maxTot+1); - thresholdTable->SetTableRange(range); - thresholdTable->SetAlphaRange(0, 1); - thresholdTable->SetValueRange(0, 1); - thresholdTable->SetSaturationRange(0, 0); - thresholdTable->SetRampToLinear( ); +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetGreyLevelBoundaries(std::vector & grey_level_boundary) +{ + // The size must be greater than or equal to 2 (at least min and max must exist). + if ( grey_level_boundary.size() >= 2) + { + sort ( grey_level_boundary.begin(), grey_level_boundary.end() ); + _grey_level_boundary = grey_level_boundary; + } + // Otherwise, an exception should be thrown. + else if (grey_level_boundary.size() != 0) + std::cout << "CM ColorLayerImageView::SetGreyLevelBoundaries : ERROR!!! The grey level boundaries vector has an inconsistent size. It must be of a size greater than or equal to 2 (at least min and max must exist), but its size is: " << grey_level_boundary.size() << ". Therefore, the histogram will be equally split." << std::endl; +} - //Assign a fake color for the upper image, and set the white as transparent - int i,ii; - double iBlue=0 , iYellow=0 , iRed=0; - double delta=(maxTot-minTot)/3.0; +//---------------------------------------------------------------------------- +double ColorLayerImageView::GetGreyLevelBoundaries(unsigned int index) +{ + if (_grey_level_boundary.size() > index) + return _grey_level_boundary.at(index); + // An exception should be thrown if the index does not exist in the grey level boundary vector. + else + { + std::cout << "CM ColorLayerImageView::GetGreyLevelBoundaries : ERROR!!! The index " << index << "is out of the grey level boundaries vector range." << std ::endl; + return -1.0; + } +} - double delta0=delta*0; - double delta1=delta*1; - double delta2=delta*2; - double delta3=delta*3; +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetPlainOrGradientColor(bool color_type) +{ + _color_type = color_type; +} +//---------------------------------------------------------------------------- +int ColorLayerImageView::GetBaseColorNb() +{ + return _base_color.size()/3; +} - for(i = minTot; i <= maxTot; i++) - { - ii=i-minTot; - if ((ii>=delta0) && (ii<=delta1)) // iBlue - { - thresholdTable->SetTableValue( i , 0 , 0 , iBlue/delta , 1); - if (ii==0) - { - thresholdTable->SetTableValue( i , 0 , 0 , iBlue/delta , 0); - } else { - thresholdTable->SetTableValue( i , 0 , 0 , iBlue/delta , 1); - } - iBlue++; - } - if ((ii>=delta1) && (ii<=delta2)) // iYellow - { - thresholdTable->SetTableValue( i , iYellow/delta , iYellow/delta , (delta-iYellow)/delta , 1); - iYellow++; - } - if ((ii>=delta2) && (ii<=delta3)) // iRed - { - thresholdTable->SetTableValue( i , (delta-iRed)/delta, 0 , 0 , 1); - iRed++; - } - } // for +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetDefaultGreyLevelBoundary() +{ + // CM Sets the default behaviour concerning the lookup table keeping the base colors already set. + _grey_level_boundary.clear(); + + // This avoids a potential division by 0 through delta during the lookup table configuration. + if (_range[1]==0) + { + _range[1]=255; + } + + // Grey level extrema are set by default to the image grey level extrema. + int minTot = floor (_range[0]); + int maxTot = ceil (_range[1]); + + _grey_level_boundary.push_back((double)minTot); + + // By default, the histogram is split into BaseColorNb areas of equal width. + double delta = (maxTot - minTot)/GetBaseColorNb(); + for (int i = 1; i <= GetBaseColorNb() ; i ++) + { + _grey_level_boundary.push_back((double)minTot + i * delta); + } +} - thresholdTable->Build( ); +//---------------------------------------------------------------------------- +void ColorLayerImageView::SetDefaultBaseColorAndGreyLevelBoundary() +{ + // CM Sets the default behaviour concerning the lookup table. + _grey_level_boundary.clear(); + _base_color.clear(); + // Base colors are set to blue, yellow and red. + // Blue. + _base_color.push_back(0.0); + _base_color.push_back(0.0); + _base_color.push_back(1.0); + // Yellow. + _base_color.push_back(1.0); + _base_color.push_back(1.0); + _base_color.push_back(0.0); + // Red. + _base_color.push_back(1.0); + _base_color.push_back(0.0); + _base_color.push_back(0.0); + + // This avoids a potential division by 0 through delta during the lookup table configuration. + if (_range[1]==0) + { + _range[1]=255; + } + + int minTot = floor (_range[0]); + int maxTot = ceil (_range[1]); + + _grey_level_boundary.push_back((double)minTot); + + // By default, the histogram is split into three areas of equal width. + double delta = (maxTot - minTot)/3.0; + _grey_level_boundary.push_back(minTot + delta); + _grey_level_boundary.push_back(minTot + 2*delta); + _grey_level_boundary.push_back((double)maxTot); } +//---------------------------------------------------------------------------- +void ColorLayerImageView::ConfigLookupTable() // virtual +{ + // CM + // Grey level extrema retrieved from the image grey level extrema. + +/* +printf("ERROR: EED ColorLayerImageView::ConfigLookupTable ------_range----------------\n"); + _range[0]=0; + _range[1]=4000; +*/ + GetImage()->GetScalarRange(_range); + + // ------------------ Setting Default Values + // Checks the size consistency of vectors _base_color and _grey_level_boundary. + // In case of inconsistency, an exception should be thrown. Instead, the default values are set. + if (GetBaseColorNb() == 0) + SetDefaultBaseColorAndGreyLevelBoundary(); + + // If at least one color has been set, set the grey level boundaries to build an equipartition of the image grey levels, keeping the base colors defined. + else + if (GetBaseColorNb() != (_grey_level_boundary.size() - 1) ) + { + std::cout << "CM ColorLayerImageView::ConfigLookupTable : ERROR!!! Inconsistency between the sizes of vectors _base_color and _grey_level_boundary. _base_color.size()/3 (=" <<_base_color.size()/3 << ") should be equal to _grey_level_boundary.size() - 1 (=" << _grey_level_boundary.size() - 1 << ")." << std::endl; + std::cout << "CM The default values for the base colors and the grey level boundaries will be set." << std::endl; + SetDefaultGreyLevelBoundary(); + } + // ------------------ End Of Setting Default Values + + + // ------------------ Defining the Threshold Table + vtkLookupTable* thresholdTable = GetThresholdTable(); + // CM Number of table values consistent with the effective number of values (see loop below). + double thresholdTable_range[2]; + thresholdTable_range[1]= std::max( GetGreyLevelBoundaries( GetBaseColorNb() ), ceil(_range[1]) ); + thresholdTable_range[0]= std::min( GetGreyLevelBoundaries(0), floor(_range[0]) ); + thresholdTable->SetNumberOfTableValues(thresholdTable_range[1] - thresholdTable_range[0] + 1); + thresholdTable->SetTableRange(thresholdTable_range); + thresholdTable->SetAlphaRange(0, 1); + thresholdTable->SetValueRange(0, 1); + thresholdTable->SetSaturationRange(0, 0); + thresholdTable->SetRampToLinear( ); + + // Defines the lookup table. + // If the image has a degradation in one (or both) extremum (lower or higher), + // sets the corresponding grey levels as transparent white in the lookup table. + for (int i = floor(_range[0]); i <= GetGreyLevelBoundaries(0); i++) + { + thresholdTable -> SetTableValue( i, 0, 0, 0, 0); + } + for (int i = GetGreyLevelBoundaries( GetBaseColorNb() ) + 1 ; i <= ceil(_range[1]); i++) + { + thresholdTable -> SetTableValue( i, 0, 0, 0, 0); + } + + int delta; + + // _color_type true, i.e. plain colors. + // Sets the plain color for each grey level interval. + if (_color_type) + { + for (int i = 0; i < GetBaseColorNb(); i++) + { + delta = GetGreyLevelBoundaries(i+1) - GetGreyLevelBoundaries(i); + for (int ii = 1; ii <= delta; ii++) + { + thresholdTable->SetTableValue(GetGreyLevelBoundaries(i) + ii, + GetBaseColors(i*3), + GetBaseColors(i*3 + 1), + GetBaseColors(i*3 + 2), + 1); + } + } + } // End Of if (_color_type) + + // _color_type false, i.e. gradient color + else + { + // First color: + // Creates a linear range from white to the first color. + delta = GetGreyLevelBoundaries(1) - GetGreyLevelBoundaries(0); + for (int ii = 1; ii <= delta ; ii++) + { + thresholdTable->SetTableValue( GetGreyLevelBoundaries(0) + ii, GetBaseColors(0) * ii/delta, + GetBaseColors(1) * ii/delta, GetBaseColors(2) * ii/delta, 1); + } + + // If other colors exist: + // Creates linear ranges between one color and the following in the color vector. + if (GetBaseColorNb() > 1) + { + for (int i = 1; i < GetBaseColorNb(); i++) + { + delta = GetGreyLevelBoundaries(i+1) - GetGreyLevelBoundaries(i); + for (int ii = 1; ii <= delta; ii++) + { + // Color computation : previous_color + (current_color - previous_color)/delta * ii + thresholdTable->SetTableValue(GetGreyLevelBoundaries(i) + ii, + GetBaseColors((i-1)*3) + (GetBaseColors(i*3) - GetBaseColors((i-1)*3)) / delta * ii , + GetBaseColors((i-1)*3 + 1) + (GetBaseColors(i*3 + 1) - GetBaseColors((i-1)*3 + 1)) / delta * ii , + GetBaseColors((i-1)*3 + 2) + (GetBaseColors(i*3 + 2) - GetBaseColors((i-1)*3 + 2)) / delta * ii , + 1); + } + } + } + } // End Of if (!_color_type) + + thresholdTable->Build( ); + // ------------------ End Of Defining the Threshold Table + + //EO CM +} // EOF