bmp图像处理

fclose(mybmp);
}
BMPFileInfo MyInfo;
void PrintBMPInfo()
{
FILE *mybmp;
mybmp=fopen(FILEPATH,"r");
fseek(mybmp,14,0);
fread(&MyInfo.Size,1,4,mybmp);
for(i=0;i<x;i++){
temp=img[i+x*j];
img[i+x*j]=img[i+x*(y-j-1)];
img[i+x*(y-j-1)]=temp;
#define MAXWIDTH 2048
#define MAXHEIGHT 2048
#define PALLETSIZE 1024
unsigned short Bmp_color;
unsigned int Bmp_header_size;
unsigned int Bmp_info_header_size;
}
}
}
void WriteBmp(char *filename, __img *tp)//write bmp
{
int i,j;
int Real_width;
FILE *Out_Fp = fopen(filename,"wb");
unsigned char *Bmp_Data;
fread(&MyHeader.B,1,1,mybmp);
fread(&MyHeader.M,1,1,mybmp);
fread(&MyHeader.FileSize,1,4,mybmp);
fread(&MyHeader.Reserved1,1,4,mybmp);
fread(&MyHeader.HeaderLength,1,4,mybmp);
printf("Level:\t\t\t%ld\n",MyInfo.Level);
printf("ColorDepth:\t\t%ld\n",MyInfo.ColorDepth);
printf("PixelBytes:\t\t%ld\n",MyInfo.PixelBytes);
fclose(mybmp);
}
void _Invert_img2(unsigned char* img)//ration img2
{
unsigned char temp;
unsigned int i,j,x,y;
x=MyInfo.Width*3;
y=MyInfo.Height;
for(j=0;j<y/2;j++){
printf("Size:\t\t\t%ld\n",MyInfo.Size);
printf("Width:\t\t\t%ld\n",MyInfo.Width);
printf("Height:\t\t\t%ld\n",MyInfo.Height);
printf("Height*Width:\t\t%ld\n",MyInfo.Height*MyInfo.Width*3);
unsigned long offset1;
unsigned long offset2;
}BMPFileInfo;
typedef struct BMPFileHeader{
unsigned char B;
unsigned char M;
unsigned long FileSize;
fread(&MyInfo.Width,1,4,mybmp);
fread(&MyInfo.Height,1,4,mybmp);
fread(&MyInfo.Level,1,2,mybmp);
fread(&MyInfo.ColorDepth,1,2,mybmp);
fread(&press,1,4,mybmp);
if(Out_Fp==NULL){
fprintf(stderr,"Error: file %s couldn\'t open for write!\n",filename);
exit(1);
}
Bmp_color=24;
Bmp_header_size=HEADERSIZE;
FILE *f=fopen("a.raw","wb");
data_size=MyInfo.Height*MyInfo.Width*3;
for(i=0;i<data_size;i++)
fputc(img2[i],f); // b,g,r;
fclose(f);
{
unsigned int i,_i=0;
unsigned _img_w;
_img_w=MyInfo.Width*3;
if((_img_w%4)!=0)_img_w=((MyInfo.Width*3)/4+1)*4;
for(i=0;i<(MyHeader.FileSize-54)/_img_w*_img_w;i++){
Bmp_size = Bmp_image_size + HEADERSIZE;
Bmp_headbuf[0]='B'; Bmp_headbuf[1]='M';
memcpy(Bmp_headbuf+2,&Bmp_size,sizeof(Bmp_size));
Bmp_headbuf[6]=Bmp_headbuf[7]=Bmp_headbuf[8]=Bmp_headbuf[9]=0;
printf("FileType:\t\t%c %c P\n",MyHeader.B,MyHeader.M);
printf("FileSize:\t\t%ld bytes\n",MyHeader.FileSize);
printf("HeaderLength:\t\t%ld \n",MyHeader.HeaderLength);
#include<stdio.h>
#include<stdlib.h>
#include<string.h>
#define FILEPATH "C:\\Documents and Settings\\All Users\\Documents\\My Pictures\\示例图片\\Water lilies1.bmp"
Bmp_headbuf[15]=Bmp_headbuf[16]=Bmp_headbuf[17]=0;
Bmp_info_header_size=40;
Bmp_planes=1;
Real_width = tp->width*3 + tp->width%4;
if((Bmp_Data = (unsigned char *)calloc(Real_width,sizeof(unsigned char)))==NULL) {
memcpy(Bmp_headbuf+10,&Bmp_header_size,sizeof(Bmp_header_size));
Bmp_headbuf[11]=Bmp_headbuf[12]=Bmp_headbuf[13]=0;
memcpy(Bmp_headbuf+14,&Bmp_info_header_size,sizeof(Bmp_info_header_size));
fprintf(stderr,"Error: Memory allocation failed for Bmp_Data!\n");
exit(1);
}
Bmp_xppm=Bmp_yppm=0;
Bmp_image_size = tp->height*Real_width;
}
void ReadBidata(unsigned char*img)//read data part of bmp file
{
unsigned int i;
unsigned int data_size;
data_size=MyHeader.FileSize-54;
FILE *mybmp;
} color;
typedef struct {
long height;
long width;
color data[MAXHEIGHT][MAXWIDTH];
} __img;
/*****************WriteBmp*************/
#define HEADERSIZE 54
if(i%_img_w<MyInfo.Width*3){
img2[_i]=img[i];
_i++;
}
}
}
void SaveBipFile(unsigned char* img2)//save raw image as a raw
{
unsigned int i,data_size;
unsigned short Bmp_planes;
long Bmp_xppm;