24位bmp转化为 565或者888C语言数组文件
2012-05-18 22:31
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/*这是我写的可以把24位bmp转化为 565或者888C语言数组文件的代码，
可以在嵌入式图片资源显示直接调用。
整个工程 在http://download.csdn.net/detail/liujia2100/4312894，
没有资源分哟！*/
#include "stdafx.h"
#include <time.h>
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <process.h>
#include "string.h"
//#include "24.h"
//#include "16.h"
//#include <graphics.h>
typedef unsigned long DWORD;
typedef int BOOL;
typedef unsigned char BYTE;
typedef unsigned short WORD;
typedef float FLOAT;
typedef unsigned char byte;
//#define MAX(a,b,c) a>(b>c?b:c)?a:
struct BMP_img
{
WORD bfType;
DWORD size;
DWORD reser;
DWORD header_length;
DWORD infoheader_length;
DWORD width;
DWORD height;
WORD biplanes;
WORD bmp_type; /* 8bit 24bit; */
DWORD compres;
DWORD datasize;
DWORD bixpm;
DWORD biypm;
DWORD clrused;
DWORD relclrused;
BYTE *image;
byte *header_info;
DWORD lineBytes;
};
struct RGB
{
byte bitb;
byte bitg;
byte bitr;
byte re;
};
void read_img(char *path, struct BMP_img *img);
void make_src(char *outpath, struct BMP_img *img);
void display(byte *temp,int width,int height);
void make_src16(char *outpath, struct BMP_img *img);
void display16(unsigned short *temp,int width,int height);
#define RGB2565(x) ((((x >> 16) & 0xff) >> 3) << 11) | ((((x >> 8) & 0xff) >> 2) << 5) | ((x & 0xff) >> 3)
#define RGB2_565(r,g,b) (unsigned short)((((unsigned)(r) << 8) & 0xF800)|(((unsigned)(g) << 3) & 0x7E0)|(((unsigned)(b) >> 3)))
#define RGB565_2(x) (unsigned int)(((unsigned int)(x&0x1f))|((unsigned int)((x&0x7e0)<<5))|((unsigned int)((x&0xF800)<<8)))
#define RGB565_24(rgb,r,g,b) do{r=(unsigned)(rgb>>8)&0xff;g=(unsigned)(rgb>>3)&0xff;b=(unsigned)(rgb<<3)&0xff;}while(0)
#define bigrvs(x) (unsigned int)((x&0xff)<<16)|((unsigned int)(x&0x00ff00))|((unsigned int)(x&0xff0000)>>16)
int main()
{
// int i,j,n,flag;
// unsigned char *temp=(unsigned char *)bsp_img;
// unsigned short *temp1=(unsigned short *)bsp_img16;
struct BMP_img img;
// initgraph(480,480);
// read_img("2.bmp", &img);
// make_src("24.h",&img);
// make_src16("16.h",&img);
// display(temp,480,272);
// display16(temp1,480,272);
int flag;
char srcbmp[100]={0};
char dstfile[100]={0};
printf("Please input 24bit bmp path name\nC file path name\n16 or 24bit\n");
scanf("%s %s %d",srcbmp,dstfile,&flag);
read_img(srcbmp, &img);
if(flag==16)
make_src16(dstfile,&img);
if(flag==24)
make_src(dstfile,&img);
printf("\nConvert Over\nPlease Check\n");
return 0;
}
void read_img(char *path, struct BMP_img *img)
{
FILE *infile;
DWORD i,j,l,bitcolor;
DWORD line24;
DWORD line8;
struct RGB *bitmap;
if((infile=fopen(path,"rb"))==NULL)
{
printf( "\nCan not open the path: %s \n", path);
exit(-1);
}
fread(&img->bfType,sizeof(WORD),1,infile);//printf("\n打开的图为 %d",img->bfType);
fread(&img->size,sizeof(DWORD),1,infile); printf("\n图片大小为:%d",img->size);
fread(&img->reser,sizeof(DWORD),1,infile);//printf("\n保留位:");
fread(&img->header_length,sizeof(DWORD),1,infile); printf("\n信息长度:%d",img->header_length);
fread(&img->infoheader_length,sizeof(DWORD),1,infile);
fread(&img->width, sizeof(DWORD), 1, infile);
fread(&img->height, sizeof(DWORD), 1, infile); printf( "\n宽度=%d 高度=%d ", img->width, img->height);
fread(&img->biplanes, sizeof(WORD), 1, infile);
fread(&img->bmp_type, sizeof(WORD), 1, infile); printf("\n位图位数=%d ", img->bmp_type);
fread(&img->compres, sizeof(DWORD), 1, infile); if(img->compres==0) {printf("\nbmp图片为非压缩!");}
fread(&img->datasize, sizeof(DWORD), 1, infile); printf("\n位图数据大小=%d ",img->datasize);
fread(&img->bixpm, sizeof(DWORD), 1, infile);
fread(&img->biypm, sizeof(DWORD), 1, infile);
fread(&img->clrused, sizeof(DWORD), 1, infile); printf("\n实际使用颜色数=%d ",img->clrused);
fread(&img->relclrused, sizeof(DWORD), 1, infile);
img->lineBytes=(img->width*img->bmp_type+31)/32*4;
//printf("\nLineBytes :%l\n",img->lineBytes);
line24=(img->width*24+31)/32*4;
line8=(img->width*8+31)/32*4;
if(img->bmp_type==1){bitcolor=2;printf("不能读取退出");exit(-1);}
if(img->bmp_type==4){bitcolor=16;printf("不能读取退出");exit(-1);}
if(img->bmp_type==8)
{
byte *temp=(BYTE*)malloc(img->height*line8*sizeof(BYTE));
memset(temp,0x00,img->height*img->lineBytes*sizeof(BYTE));
bitcolor=256;
bitmap=(struct RGB *)calloc(bitcolor,sizeof(struct RGB));
img->image=(unsigned char *)malloc(sizeof(unsigned char)*(line8*img->height));
memset(img->image,0x00,sizeof(byte)*line8*img->height);
if(img->image==NULL) {fprintf(stderr, "\n Allocation error for temp in read_bmp() \n");}
fseek(infile,0x36, SEEK_SET);
fread(bitmap,sizeof(struct RGB),bitcolor,infile);
fseek(infile, img->header_length, SEEK_SET);
//fread(temp, sizeof(unsigned char),lineBytes*img->height, infile);
fread(temp, img->lineBytes*img->height,1, infile);
if(temp==NULL)printf("\n读取失败\n");
for(i=0;i<img->height;i++)
{
for(j=0;j<img->width;j++)
{
img->image[i*img->width+j]=(byte)(0.299*bitmap[temp[i*line8+j]].bitb+0.578*bitmap[temp[i*line8+j]].bitg+0.114*bitmap[temp[i*line8+j]].bitr);
// putpixel(j,img->height-i,RGB(img->image[i*img->width+j],img->image[i*img->width+j],img->image[i*img->width+j]));
}
}
free(temp);
temp=NULL;
}
if(img->bmp_type==24)
{
byte *temp=(byte *)malloc(sizeof(byte)*img->height*img->lineBytes); if(temp==NULL)
exit(-1);
img->image=(unsigned char *)malloc(sizeof(unsigned char)*((line24)*img->height));
if(img->image==NULL) fprintf(stderr, "\n Allocation error for temp in read_bmp() \n");
fseek(infile, img->header_length, SEEK_SET);
fread(temp, sizeof(unsigned char), (img->lineBytes)*img->height, infile);
// byte *temp=(byte *)malloc(sizeof(byte)*img->lineBytes*img->height)
// memcpy(img->image,temp,(img->lineBytes)*img->height);
for(i=0;i<img->height;i++)
{
l=0;
for(j=0;j<img->width*3;j+=3)
{
l=(img->height-i-1)*img->width*3+j;
img->image[l+2]=*(temp+i*img->lineBytes+j+2);
img->image[l+1]=*(temp+i*img->lineBytes+j+1);
img->image[l]=*(temp+i*img->lineBytes+j);
}
}
free(temp);
temp=NULL;
}
}
void make_src(char *outpath, struct BMP_img *img)
{
FILE *infile;
int i,j,k,n;
char pbuf[10]={0};
if((infile=fopen(outpath,"wa+"))==NULL)
{
printf( "\nCan not open the path: %s \n", outpath);
exit(-1);
}
k=0;
/* for(i=0;i<img->height;i++)
{
for(n=0,j=0;n<img->lineBytes,j<img->width;n+=3,j++)
{
sprintf(pbuf,"0x%08x",img->image[i*img->lineBytes+n])
}
}*/
fwrite("unsigned char bsp_img[]={\n",strlen("unsigned char bsp_img[]={\n"),1,infile);
for(i=0;i<img->height;i++)
{
for(j=0;j<img->width*3;j++)
{
sprintf(pbuf,"0x%02x",img->image[i*img->width*3+j]);
fwrite(pbuf,strlen(pbuf),1,infile);
if((i==img->height-1)&&(j==img->width*3-1))
break;
fwrite(",",strlen(","),1,infile);
k++;
if(k==16)
{
k=0;
fwrite("\n",strlen("\n"),1,infile);
}
}
}
fseek(infile,0,SEEK_END);
fwrite("\n};",strlen("\n};"),1,infile);
fclose(infile);
// free()
}
void display(byte *temp,int width,int height)
{
DWORD i,j,n;
for(i=0;i<height;i++)
{
for(j=0,n=0;n<width*3,j<width;n+=3,j++)
{
// putpixel(j,i,RGB(*(temp+i*width*3+n+2),*(temp+i*width*3+n+1),*(temp+i*width*3+n)));
}
}
}
void make_src16(char *outpath, struct BMP_img *img)
{
FILE *infile;
int i,j,k,n;
char pbuf[10]={0};
if((infile=fopen(outpath,"wa+"))==NULL)
{
printf( "\nCan not open the path: %s \n", outpath);
exit(-1);
}
k=0;
/* for(i=0;i<img->height;i++)
{
for(n=0,j=0;n<img->lineBytes,j<img->width;n+=3,j++)
{
sprintf(pbuf,"0x%08x",img->image[i*img->lineBytes+n])
}
}*/
// fwrite("unsigned char bsp_img16[]={",strlen("unsigned char bsp_img[]={"),1,infile);
fwrite("unsigned short bsp_img16[]={\r\n",strlen("unsigned short bsp_img[]={\r\n"),1,infile);
for(i=0;i<img->height;i++)
{
for(j=0,n=0;n<img->width,j<img->width*3;n++,j=j+3)
{
sprintf(pbuf,"0x%04x", RGB2_565(img->image[i*img->width*3+j],img->image[i*img->width*3+j+1],img->image[i*img->width*3+j+2]));
fwrite(pbuf,strlen(pbuf),1,infile);
if((i==img->height-1)&&(j>=img->width*3-1))
break;
fwrite(",",strlen(","),1,infile);
k++;
if(k>=16)
{
k=0;
fwrite("\n",strlen("\n"),1,infile);
}
}
}
fseek(infile,0,SEEK_END);
fwrite("\n};",strlen("\n};"),1,infile);
fclose(infile);
// free()
}
void display16(unsigned short *temp,int width,int height)
{
DWORD i,j,n;
unsigned char r,g,b;
for(i=0;i<height;i++)
{
for(j=0;j<width;j++)
{
RGB565_24(temp[i*width+j],b,g,r);
// putpixel(j,i,RGB(r,g,b));
}
}
}
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