cuda-samples/Samples/2_Concepts_and_Techniques/dct8x8/BmpUtil.h

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2022-01-13 14:05:24 +08:00
/* Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved.
2021-10-21 19:04:49 +08:00
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
**************************************************************************
* \file BmpUtil.h
* \brief Contains basic image operations declaration.
*
* This file contains declaration of basic bitmap loading, saving,
* conversions to different representations and memory management routines.
*/
#pragma once
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#pragma pack(push)
#endif
#pragma pack(1)
typedef char int8;
typedef short int16;
typedef int int32;
typedef unsigned char uint8;
typedef unsigned short uint16;
typedef unsigned int uint32;
/**
* \brief Bitmap file header structure
*
* Bitmap file header structure
*/
typedef struct {
uint16 _bm_signature; //!< File signature, must be "BM"
uint32 _bm_file_size; //!< File size
uint32 _bm_reserved; //!< Reserved, must be zero
uint32 _bm_bitmap_data; //!< Bitmap data
} BMPFileHeader;
/**
* \brief Bitmap info header structure
*
* Bitmap info header structure
*/
typedef struct {
uint32 _bm_info_header_size; //!< Info header size, must be 40
uint32 _bm_image_width; //!< Image width
uint32 _bm_image_height; //!< Image height
uint16 _bm_num_of_planes; //!< Amount of image planes, must be 1
uint16 _bm_color_depth; //!< Color depth
uint32 _bm_compressed; //!< Image compression, must be none
uint32 _bm_bitmap_size; //!< Size of bitmap data
uint32 _bm_hor_resolution; //!< Horizontal resolution, assumed to be 0
uint32 _bm_ver_resolution; //!< Vertical resolution, assumed to be 0
uint32 _bm_num_colors_used; //!< Number of colors used, assumed to be 0
uint32 _bm_num_important_colors; //!< Number of important colors, assumed to
//!be 0
} BMPInfoHeader;
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#pragma pack(pop)
#else
#pragma pack()
#endif
/**
* \brief Simple 2D size / region_of_interest structure
*
* Simple 2D size / region_of_interest structure
*/
typedef struct {
int width; //!< ROI width
int height; //!< ROI height
} ROI;
/**
* One-byte unsigned integer type
*/
typedef unsigned char byte;
extern "C" {
int clamp_0_255(int x);
float round_f(float num);
byte *MallocPlaneByte(int width, int height, int *pStepBytes);
short *MallocPlaneShort(int width, int height, int *pStepBytes);
float *MallocPlaneFloat(int width, int height, int *pStepBytes);
void CopyByte2Float(byte *ImgSrc, int StrideB, float *ImgDst, int StrideF,
ROI Size);
void CopyFloat2Byte(float *ImgSrc, int StrideF, byte *ImgDst, int StrideB,
ROI Size);
void FreePlane(void *ptr);
void AddFloatPlane(float Value, float *ImgSrcDst, int StrideF, ROI Size);
void MulFloatPlane(float Value, float *ImgSrcDst, int StrideF, ROI Size);
int PreLoadBmp(char *FileName, int *Width, int *Height);
void LoadBmpAsGray(char *FileName, int Stride, ROI ImSize, byte *Img);
void DumpBmpAsGray(char *FileName, byte *Img, int Stride, ROI ImSize);
void DumpBlockF(float *PlaneF, int StrideF, char *Fname);
void DumpBlock(byte *Plane, int Stride, char *Fname);
float CalculateMSE(byte *Img1, byte *Img2, int Stride, ROI Size);
float CalculatePSNR(byte *Img1, byte *Img2, int Stride, ROI Size);
}