mirror of
https://gitlab.kitware.com/vtk/vtk-m
synced 2024-09-19 18:45:43 +00:00
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
//============================================================================
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// Copyright (c) Kitware, Inc.
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// All rights reserved.
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// See LICENSE.txt for details.
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//
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// This software is distributed WITHOUT ANY WARRANTY; without even
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// the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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// PURPOSE. See the above copyright notice for more information.
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//============================================================================
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#ifndef vtk_m_worklet_colorconversion_Conversions_h
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#define vtk_m_worklet_colorconversion_Conversions_h
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namespace vtkm
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{
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namespace worklet
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{
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namespace colorconversion
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{
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template <typename T>
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VTKM_EXEC inline vtkm::UInt8 ColorToUChar(T t)
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{
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return static_cast<vtkm::UInt8>(t);
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}
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template <>
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VTKM_EXEC inline vtkm::UInt8 ColorToUChar(vtkm::Float64 t)
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{
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return static_cast<vtkm::UInt8>(t * 255.0f + 0.5f);
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}
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template <>
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VTKM_EXEC inline vtkm::UInt8 ColorToUChar(vtkm::Float32 t)
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{
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return static_cast<vtkm::UInt8>(t * 255.0f + 0.5f);
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}
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VTKM_EXEC inline void Clamp(vtkm::Float32& val)
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{
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val = vtkm::Min(255.0f, vtkm::Max(0.0f, val));
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}
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VTKM_EXEC inline void Clamp(vtkm::Vec2f_32& val)
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{
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val[0] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[0]));
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val[1] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[1]));
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}
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VTKM_EXEC inline void Clamp(vtkm::Vec3f_32& val)
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{
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val[0] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[0]));
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val[1] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[1]));
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val[2] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[2]));
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}
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VTKM_EXEC inline void Clamp(vtkm::Vec4f_32& val)
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{
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val[0] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[0]));
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val[1] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[1]));
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val[2] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[2]));
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val[3] = vtkm::Min(255.0f, vtkm::Max(0.0f, val[3]));
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}
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}
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}
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}
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#endif
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