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cudaRGB.h
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/*
* Copyright (c) 2017, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __CUDA_RGB_CONVERT_H
#define __CUDA_RGB_CONVERT_H
#include "cudaUtility.h"
//////////////////////////////////////////////////////////////////////////////////
/// @name RGB/RGBA to BGR/BGRA (or vice-versa)
/// @see cudaConvertColor() from cudaColorspace.h for automated format conversion
/// @ingroup colorspace
//////////////////////////////////////////////////////////////////////////////////
///@{
/**
* Convert uchar3 RGB image to uchar3 BGR (or convert BGR to RGB).
* This function swaps the red and blue channels, so if the input is RGB it will
* be converted to RGB, and if the input is BGR it will be converted to RGB.
*/
cudaError_t cudaRGB8ToBGR8( uchar3* input, uchar3* output, size_t width, size_t height, cudaStream_t stream=0 );
/**
* Convert float3 RGB image to float3 BGR (or convert BGR to RGB).
* This function swaps the red and blue channels, so if the input is RGB it will
* be converted to RGB, and if the input is BGR it will be converted to RGB.
*/
cudaError_t cudaRGB32ToBGR32( float3* input, float3* output, size_t width, size_t height, cudaStream_t stream=0 );
/**
* Convert uchar4 RGBA image to uchar4 BGRA (or convert BGRA to RGBA).
* This function swaps the red and blue channels, so if the input is RGBA it will
* be converted to RGBA, and if the input is BGR it will be converted to RGBA.
*/
cudaError_t cudaRGBA8ToBGRA8( uchar4* input, uchar4* output, size_t width, size_t height, cudaStream_t stream=0 );
/**
* Convert float4 RGBA image to float4 BGRA (or convert BGRA to RGBA).
* This function swaps the red and blue channels, so if the input is RGBA it will
* be converted to RGBA, and if the input is BGR it will be converted to RGBA.
*/
cudaError_t cudaRGBA32ToBGRA32( float4* input, float4* output, size_t width, size_t height, cudaStream_t stream=0 );
///@}
//////////////////////////////////////////////////////////////////////////////////
/// @name 8-bit RGB/BGR to 8-bit RGBA/BGRA (or vice-versa)
/// @see cudaConvertColor() from cudaColorspace.h for automated format conversion
/// @ingroup colorspace
//////////////////////////////////////////////////////////////////////////////////
///@{
/**
* Convert uchar3 RGB/BGR image to uchar4 RGBA/BGRA image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGB8ToRGBA8( uchar3* input, uchar4* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
/**
* Convert uchar4 RGBA/BGRA image to uchar3 RGB/BGR image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGBA8ToRGB8( uchar4* input, uchar3* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
///@}
//////////////////////////////////////////////////////////////////////////////////
/// @name Floating-point RGB/BGR to floating-point RGBA/BGRA (or vice versa)
/// @see cudaConvertColor() from cudaColorspace.h for automated format conversion
/// @ingroup colorspace
//////////////////////////////////////////////////////////////////////////////////
///@{
/**
* Convert float3 RGB/BGR image into float4 RGBA/BGRA image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGB32ToRGBA32( float3* input, float4* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
/**
* Convert float4 RGBA/BGRA image into float3 RGB/BGR image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGBA32ToRGB32( float4* input, float3* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
///@}
//////////////////////////////////////////////////////////////////////////////////
/// @name 8-bit images to floating-point images
/// @see cudaConvertColor() from cudaColorspace.h for automated format conversion
/// @ingroup colorspace
//////////////////////////////////////////////////////////////////////////////////
///@{
/**
* Convert uchar3 RGB/BGR image to float3 RGB/BGR image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGB8ToRGB32( uchar3* input, float3* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
/**
* Convert uchar3 RGB/BGR image to float4 RGBA/BGRA image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGB8ToRGBA32( uchar3* input, float4* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
/**
* Convert uchar4 RGBA/BGRA image to float3 RGB/BGR image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGBA8ToRGB32( uchar4* input, float3* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
/**
* Convert uchar4 RGBA/BGRA image to float4 RGBA/BGRA image
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*/
cudaError_t cudaRGBA8ToRGBA32( uchar4* input, float4* output, size_t width, size_t height, bool swapRedBlue=false, cudaStream_t stream=0 );
///@}
//////////////////////////////////////////////////////////////////////////////////
/// @name Floating-point images to 8-bit images
/// @see cudaConvertColor() from cudaColorspace.h for automated format conversion
/// @ingroup colorspace
//////////////////////////////////////////////////////////////////////////////////
///@{
/**
* Convert float3 RGB/BGR image into uchar3 RGB/BGR image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*
* @param pixelRange specifies the floating-point pixel value range of the input image,
* which is used to rescale the fixed-point pixel outputs to [0,255].
* The default input range is [0,255], where no rescaling occurs.
* Other common input ranges are [-1, 1] or [0,1].
*/
cudaError_t cudaRGB32ToRGB8( float3* input, uchar3* output, size_t width, size_t height,
bool swapRedBlue=false, const float2& pixelRange=make_float2(0,255),
cudaStream_t stream=0 );
/**
* Convert float3 RGB/BGR image into uchar4 RGBA/BGRA image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*
* @param pixelRange specifies the floating-point pixel value range of the input image,
* which is used to rescale the fixed-point pixel outputs to [0,255].
* The default input range is [0,255], where no rescaling occurs.
* Other common input ranges are [-1, 1] or [0,1].
*/
cudaError_t cudaRGB32ToRGBA8( float3* input, uchar4* output, size_t width, size_t height,
bool swapRedBlue=false, const float2& pixelRange=make_float2(0,255),
cudaStream_t stream=0 );
/**
* Convert float4 RGBA/BGRA image into uchar3 image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*
* @param pixelRange specifies the floating-point pixel value range of the input image,
* which is used to rescale the fixed-point pixel outputs to [0,255].
* The default input range is [0,255], where no rescaling occurs.
* Other common input ranges are [-1, 1] or [0,1].
*/
cudaError_t cudaRGBA32ToRGB8( float4* input, uchar3* output, size_t width, size_t height,
bool swapRedBlue=false, const float2& pixelRange=make_float2(0,255),
cudaStream_t stream=0 );
/**
* Convert float4 RGBA/BGRA image into uchar4 RGBA/BGRA image.
*
* @param swapRedBlue if true, swap the input's red and blue channels in the output -
* i.e if the input is RGB and output is BGR, or vice versa.
* The default is false, and the channels will remain the same.
*
* @param pixelRange specifies the floating-point pixel value range of the input image,
* which is used to rescale the fixed-point pixel outputs to [0,255].
* The default input range is [0,255], where no rescaling occurs.
* Other common input ranges are [-1, 1] or [0,1].
*/
cudaError_t cudaRGBA32ToRGBA8( float4* input, uchar4* output, size_t width, size_t height,
bool swapRedBlue=false, const float2& pixelRange=make_float2(0,255),
cudaStream_t stream=0 );
///@}
#endif