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https://github.com/NVIDIA/cuda-samples.git
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126 lines
4.7 KiB
C
126 lines
4.7 KiB
C
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of NVIDIA CORPORATION nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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**************************************************************************
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* \file BmpUtil.h
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* \brief Contains basic image operations declaration.
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*
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* This file contains declaration of basic bitmap loading, saving,
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* conversions to different representations and memory management routines.
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*/
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#pragma once
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
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#pragma pack(push)
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#endif
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#pragma pack(1)
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typedef char int8;
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typedef short int16;
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typedef int int32;
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typedef unsigned char uint8;
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typedef unsigned short uint16;
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typedef unsigned int uint32;
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/**
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* \brief Bitmap file header structure
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*
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* Bitmap file header structure
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*/
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typedef struct {
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uint16 _bm_signature; //!< File signature, must be "BM"
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uint32 _bm_file_size; //!< File size
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uint32 _bm_reserved; //!< Reserved, must be zero
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uint32 _bm_bitmap_data; //!< Bitmap data
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} BMPFileHeader;
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/**
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* \brief Bitmap info header structure
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*
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* Bitmap info header structure
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*/
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typedef struct {
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uint32 _bm_info_header_size; //!< Info header size, must be 40
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uint32 _bm_image_width; //!< Image width
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uint32 _bm_image_height; //!< Image height
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uint16 _bm_num_of_planes; //!< Amount of image planes, must be 1
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uint16 _bm_color_depth; //!< Color depth
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uint32 _bm_compressed; //!< Image compression, must be none
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uint32 _bm_bitmap_size; //!< Size of bitmap data
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uint32 _bm_hor_resolution; //!< Horizontal resolution, assumed to be 0
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uint32 _bm_ver_resolution; //!< Vertical resolution, assumed to be 0
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uint32 _bm_num_colors_used; //!< Number of colors used, assumed to be 0
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uint32 _bm_num_important_colors; //!< Number of important colors, assumed to
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//!be 0
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} BMPInfoHeader;
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#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
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#pragma pack(pop)
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#else
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#pragma pack()
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#endif
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/**
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* \brief Simple 2D size / region_of_interest structure
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*
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* Simple 2D size / region_of_interest structure
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*/
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typedef struct {
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int width; //!< ROI width
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int height; //!< ROI height
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} ROI;
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/**
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* One-byte unsigned integer type
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*/
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typedef unsigned char byte;
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extern "C" {
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int clamp_0_255(int x);
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float round_f(float num);
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byte *MallocPlaneByte(int width, int height, int *pStepBytes);
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short *MallocPlaneShort(int width, int height, int *pStepBytes);
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float *MallocPlaneFloat(int width, int height, int *pStepBytes);
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void CopyByte2Float(byte *ImgSrc, int StrideB, float *ImgDst, int StrideF,
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ROI Size);
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void CopyFloat2Byte(float *ImgSrc, int StrideF, byte *ImgDst, int StrideB,
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ROI Size);
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void FreePlane(void *ptr);
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void AddFloatPlane(float Value, float *ImgSrcDst, int StrideF, ROI Size);
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void MulFloatPlane(float Value, float *ImgSrcDst, int StrideF, ROI Size);
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int PreLoadBmp(char *FileName, int *Width, int *Height);
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void LoadBmpAsGray(char *FileName, int Stride, ROI ImSize, byte *Img);
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void DumpBmpAsGray(char *FileName, byte *Img, int Stride, ROI ImSize);
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void DumpBlockF(float *PlaneF, int StrideF, char *Fname);
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void DumpBlock(byte *Plane, int Stride, char *Fname);
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float CalculateMSE(byte *Img1, byte *Img2, int Stride, ROI Size);
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float CalculatePSNR(byte *Img1, byte *Img2, int Stride, ROI Size);
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}
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