#include "stdafx.h"
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
struct BMP
{
	char Type[2];           //File type. Set to "BM".
	unsigned long Size;     //Size in BYTES of the file.
	unsigned long Reserved;      //Reserved. Set to zero.
	unsigned long OffSet;   //Offset to the data.
	unsigned long headsize; //Size of rest of header. Set to 40.
	unsigned long Width;     //Width of bitmap in pixels.
	unsigned long Height;     //  Height of bitmap in pixels.
	unsigned int  Planes;    //Number of Planes. Set to 1.
	unsigned int  BitsPerPixel;       //Number of Bits per pixels.
	unsigned long Compression;   //Compression. Usually set to 0.
	unsigned long SizeImage;  //Size in bytes of the bitmap.
	unsigned long XPixelsPreMeter;     //Horizontal pixels per meter.
	unsigned long YPixelsPreMeter;     //Vertical pixels per meter.
	unsigned long ColorsUsed;   //Number of colors used.
	unsigned long ColorsImportant;  //Number of "important" colors.
};
struct Pixel
{
	unsigned char B;
	unsigned char G;
	unsigned char R;

};
void readBMP(char *File_Name)
{
	BMP a;
	FILE *p = fopen(File_Name, "rb");
	if (p == NULL)
	{
		printf("Can't open file!");
		return;
	}
	else
		fread(&a, sizeof(BMP), 1, p);
	if (a.Type[0]!='B'||a.Type[1]!='M')
	{
		printf("This is not a BMP file");
	}
	else
	{
		printf("This is a BMP file\n");
		printf("The size of this file is %lu bytes\n", a.Size);
		printf("The witdth of this image is %lu pixels\n", a.Width);
		printf("The height of this image is %lu pixels\n", a.Height);
		printf("The number of bits per pixels in this image is %u\n", a.BitsPerPixel);
	}

}
void main()
{
	char a[] = "test.bmp";
	readBMP(a);
}