vtk-m/vtkm/cont/ColorTableMap.h
Kenneth Moreland a2ab460f5d Compile more sources without device compiler
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2022-01-03 08:23:04 -07:00

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//============================================================================
// Copyright (c) Kitware, Inc.
// All rights reserved.
// See LICENSE.txt for details.
//
// This software is distributed WITHOUT ANY WARRANTY; without even
// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
// PURPOSE. See the above copyright notice for more information.
//============================================================================
#ifndef vtk_m_cont_ColorTableMap_h
#define vtk_m_cont_ColorTableMap_h
#include <vtkm/cont/ArrayHandleCounting.h>
#include <vtkm/cont/ArrayHandleTransform.h>
#include <vtkm/cont/ColorTable.h>
#include <vtkm/cont/ColorTableSamples.h>
#include <vtkm/cont/Invoker.h>
#include <vtkm/worklet/colorconversion/LookupTable.h>
#include <vtkm/worklet/colorconversion/Portals.h>
#include <vtkm/worklet/colorconversion/TransferFunction.h>
#include <vtkm/exec/ColorTable.h>
namespace vtkm
{
namespace cont
{
/// \brief Sample each value through an intermediate lookup/sample table to generate RGBA colors
///
/// Each value in \c values is binned based on its value in relationship to the range
/// of the color table and will use the color value at that bin from the \c samples.
/// To generate the lookup table use \c Sample .
///
/// Here is a simple example.
/// \code{.cpp}
///
/// vtkm::cont::ColorTableSamplesRGBA samples;
/// vtkm::cont::ColorTable table("black-body radiation");
/// table.Sample(256, samples);
/// vtkm::cont::ArrayHandle<vtkm::Vec4ui_8> colors;
/// vtkm::cont::ColorTableMap(input, samples, colors);
///
/// \endcode
template <typename T, typename S>
bool ColorTableMap(const vtkm::cont::ArrayHandle<T, S>& values,
const vtkm::cont::ColorTableSamplesRGBA& samples,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
if (samples.NumberOfSamples <= 0)
{
return false;
}
vtkm::worklet::colorconversion::LookupTable lookupTable(samples);
vtkm::cont::Invoker invoke(vtkm::cont::DeviceAdapterTagAny{});
invoke(lookupTable, values, samples.Samples, rgbaOut);
return true;
}
/// \brief Sample each value through an intermediate lookup/sample table to generate RGB colors
///
/// Each value in \c values is binned based on its value in relationship to the range
/// of the color table and will use the color value at that bin from the \c samples.
/// To generate the lookup table use \c Sample .
///
/// Here is a simple example.
/// \code{.cpp}
///
/// vtkm::cont::ColorTableSamplesRGB samples;
/// vtkm::cont::ColorTable table("black-body radiation");
/// table.Sample(256, samples);
/// vtkm::cont::ArrayHandle<vtkm::Vec3ui_8> colors;
/// vtkm::cont::ColorTableMap(input, samples, colors);
///
/// \endcode
template <typename T, typename S>
bool ColorTableMap(const vtkm::cont::ArrayHandle<T, S>& values,
const vtkm::cont::ColorTableSamplesRGB& samples,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
if (samples.NumberOfSamples <= 0)
{
return false;
}
vtkm::worklet::colorconversion::LookupTable lookupTable(samples);
vtkm::cont::Invoker invoke(vtkm::cont::DeviceAdapterTagAny{});
invoke(lookupTable, values, samples.Samples, rgbOut);
return true;
}
/// \brief Use magnitude of a vector with a sample table to generate RGBA colors
///
template <typename T, int N, typename S>
bool ColorTableMapMagnitude(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
const vtkm::cont::ColorTableSamplesRGBA& samples,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, MagnitudePortal()), samples, rgbaOut);
}
/// \brief Use magnitude of a vector with a sample table to generate RGB colors
///
template <typename T, int N, typename S>
bool ColorTableMapMagnitude(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
const vtkm::cont::ColorTableSamplesRGB& samples,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, MagnitudePortal()), samples, rgbOut);
}
/// \brief Use a single component of a vector with a sample table to generate RGBA colors
///
template <typename T, int N, typename S>
bool ColorTableMapComponent(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
vtkm::IdComponent comp,
const vtkm::cont::ColorTableSamplesRGBA& samples,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, ComponentPortal(comp)), samples, rgbaOut);
}
/// \brief Use a single component of a vector with a sample table to generate RGB colors
///
template <typename T, int N, typename S>
bool ColorTableMapComponent(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
vtkm::IdComponent comp,
const vtkm::cont::ColorTableSamplesRGB& samples,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, ComponentPortal(comp)), samples, rgbOut);
}
/// \brief Interpolate each value through the color table to generate RGBA colors
///
/// Each value in \c values will be sampled through the entire color table
/// to determine a color.
///
/// Note: This is more costly than using Sample/Map with the generated intermediate lookup table
template <typename T, typename S>
bool ColorTableMap(const vtkm::cont::ArrayHandle<T, S>& values,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
vtkm::cont::Invoker invoke;
invoke(vtkm::worklet::colorconversion::TransferFunction{}, values, table, rgbaOut);
return true;
}
/// \brief Interpolate each value through the color table to generate RGB colors
///
/// Each value in \c values will be sampled through the entire color table
/// to determine a color.
///
/// Note: This is more costly than using Sample/Map with the generated intermediate lookup table
template <typename T, typename S>
bool ColorTableMap(const vtkm::cont::ArrayHandle<T, S>& values,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
vtkm::cont::Invoker invoke;
invoke(vtkm::worklet::colorconversion::TransferFunction{}, values, table, rgbOut);
return true;
}
/// \brief Use magnitude of a vector to generate RGBA colors
///
template <typename T, int N, typename S>
bool ColorTableMapMagnitude(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, MagnitudePortal()), table, rgbaOut);
}
/// \brief Use magnitude of a vector to generate RGB colors
///
template <typename T, int N, typename S>
bool ColorTableMapMagnitude(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, MagnitudePortal()), table, rgbOut);
}
/// \brief Use a single component of a vector to generate RGBA colors
///
template <typename T, int N, typename S>
bool ColorTableMapComponent(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
vtkm::IdComponent comp,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec4ui_8>& rgbaOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, ComponentPortal(comp)), table, rgbaOut);
}
/// \brief Use a single component of a vector to generate RGB colors
///
template <typename T, int N, typename S>
bool ColorTableMapComponent(const vtkm::cont::ArrayHandle<vtkm::Vec<T, N>, S>& values,
vtkm::IdComponent comp,
const vtkm::cont::ColorTable& table,
vtkm::cont::ArrayHandle<vtkm::Vec3ui_8>& rgbOut)
{
using namespace vtkm::worklet::colorconversion;
return vtkm::cont::ColorTableMap(
vtkm::cont::make_ArrayHandleTransform(values, ComponentPortal(comp)), table, rgbOut);
}
}
}
#endif // vtk_m_cont_ColorTableMap_h