Raw 이미지 파일 복사하는 C 소스

#include <stdio.h>
#include <stdlib.h>

unsigned char **UCalloc(int width, int height)
{
	int i, j;
	unsigned char **ptr;

	if ((ptr = (unsigned char**)malloc(height * sizeof(unsigned char*))) == NULL)
	{
		printf("\nMemory allocation failure\n");
		exit(1);
	}

	for (i = 0; i<height; i++)
	{
		if ((ptr[i] = (unsigned char*)malloc(width * sizeof(unsigned char))) == NULL)
		{
			printf("\nMemory allocation failure\n");
			exit(1);
		}
	}

	for (i = 0; i<height; i++)
	for (j = 0; j<width; j++)
		ptr[i][j] = 0;

	printf("\nMEMORY ALLOCATION(UNSIGNED CHAR) OK!\n");
	return ptr;
}

void UCfree(unsigned char **ptr, int height)
{
	int i;
	for (i = 0; i<height; i++)
		free(ptr[i]);

	free(ptr);

	printf("\nMEMORY FREE(UNSIGNED CHAR) OK!\n");
}


void Readfile(char *filename, unsigned char **source, int width, int height)
{
	int i, j;
	FILE *readf;

	if ((readf = fopen(filename, "rb")) == NULL)
	{
		fprintf(stderr, "ERROR : File cannot open : %s \n", filename);
		exit(-1);
	}

	for (i = 0; i<height; i++)
	for (j = 0; j<width; j++)
		source[i][j] = (unsigned char)getc(readf);

	printf("\n%sFILE READING OK!\n", filename);
	fclose(readf);
}

void Writefile(char *filename, unsigned char **result, int width, int height)
{
	int i, j;
	FILE *writef;

	if ((writef = fopen(filename, "wb")) == NULL)
	{
		fprintf(stderr, "ERROR : File cannot open : %s \n", filename);
		exit(-1);
	}

	for (i = 0; i<height; i++)
	for (j = 0; j<width; j++)
		putc((unsigned char)result[i][j], writef);

	printf("\n%sFILE WRITING OK!\n", filename);
	fclose(writef);
}

int main(void)
{
	unsigned char **image;
	image = UCalloc(512, 512);
	Readfile("lena.img", image, 512, 512);
	Writefile("lena_copy.img", image, 512, 512);
	UCfree(image, 512);
	return 0;
}

 

raw 이미지 파일을 복사하는 C 소스입니다. 프로그램에 사용 할 수 있는 이미지파일을 첨부합니다.

 

 

lena.img