C语言插入图片

答案：自己去研究研究吧，我只能做到这了，只能显示16位图
 #include "stdio.h"
 #include "graphics.h"
 #include "alloc.h"
 #include "stdlib.h"
 #include "math.h"
  
 /*头部*/
 typedef struct tagBITMAPFILEHEADER
 {
 unsigned int bfType;
 unsigned long bfSize;
 unsigned int bfReserved1;
 unsigned int bfReserved2;
 unsigned long bfOffBits;
 }BITMAPFILEHEADER;
  /*头部信息*/
 typedef struct tagBITMAPINFOHEADER
 {
 unsigned long biSize;
 long biWidth;
 long biHeight;
 unsigned int biPanes;
 unsigned int biBitCount;
 unsigned long biCompression;
 unsigned long biSizeImage;
 long biXPelsPerMeter;
 long biYPelsPerMeter;
 unsigned long biClrUsed;
 unsigned long biClrImportant;
 }BITMAPINFOHEADER;
  /*颜色*/
 typedef struct tagRGBQUAD
 {
 unsigned char rgbBlue;
 unsigned char rgbGreen;
 unsigned char rgbRed;
 unsigned char rgbReserved;
 }RGBQUAD;
  /*头部组成*/
 typedef struct tagBITMAPINFO
 {
 BITMAPINFOHEADER bmiHeader;
 RGBQUAD bmiColors[];
 }BITMAPINFO;
  
  
int xmax;
 int ymax;
  
 void InitGraph()/*图形系统初始化*/
 {
 int mod=EGA;
 int dr=EGAHI;
 initgraph(&mod,&dr,"");
 xmax=getmaxx();
 ymax=getmaxy();
 }
  
 void CloseGraph()/*关闭图形系统*/
 {
 closegraph();
 }
  
 void Exit(char *ErrorCode)
 {
 printf("%s",ErrorCode);
 getch();
 exit(0);
 }
  
 long WidthBytes(long Width,int BitCount) /*宽度（字节）*/
 {
 long WBytes;
 WBytes=(Width*BitCount+31)/8;
 WBytes=WBytes/4*4;
 return WBytes;
 }
  
 unsigned char SetPalette(int Colors,unsigned char data)
 {
 switch(Colors)
 {
 case 16:
  switch(data)
  {
  case 1:
    return 4;
  case 4:
    return 1;
  case 3:
    return 6;
  case 6:
    return 3;
  case 9:
    return 12;
  case 12:
    return 9;
  case 11:
    return 14;
  case 14:
    return 11;
  default:
    return data;
  }
 case 2:
  if(data==1)
    return 15;
  else
    return 0;
 }
 }
  
 void main()
 {
  
long i,j;
 long WBytes;
 int Colors;
 long Height,Width;
 FILE *fp;
 void *Temp=NULL;
 BITMAPFILEHEADER bfh;
 BITMAPINFOHEADER bih;
 unsigned char Srcdata,data;
  
InitGraph();
  
if((fp=fopen("1.bmp","rb"))==NULL)
 {
 Exit("Can Not Open The File.\
");
 }
  
fread(&bfh,sizeof(BITMAPFILEHEADER),1,fp);
 if(bfh.bfType!='M'*256+'B')
 {
 Exit("This Is Not A Bmp File.\
");
 }
  
fread(&bih,sizeof(BITMAPINFOHEADER),1,fp);
  
Height=bih.biHeight;
 Width=bih.biWidth;
 WBytes=WidthBytes(Width,bih.biBitCount);
 Colors=1<<bih.biBitCount;
  
if(!(Colors==16||Colors==2))
 {
 Exit("This Programme Only For 16 Colors Bitmap.\
");
 }
  
fread(Temp,sizeof(RGBQUAD),Colors,fp);
 printf("%d %d",'\\f','\\t');
  
for(i=Height-1;i>=0;i--)
 {
  fseek(fp,54+Colors*sizeof(RGBQUAD)+i*WBytes,SEEK_SET);
  for(j=0;j<Width;j++)
  {
    switch(Colors)
    {
    case 16:
  
 if(j%2==0)
  
 {
  
 fread(&SrcData,1,1,fp);
  
 data=SetPalette(Colors,SrcData/16);
  
 putpixel(j,Height-1-i,data);
  
 }
  
 else
  
 {
  
 data=SetPalette(Colors,SrcData%16);
  
 putpixel(j,Height-1-i,data);
  
 }
  
 break;
    case 2:
  
 if(j%8==0)
  
 {
  
 fread(&SrcData,1,1,fp);
  
 data=SetPalette(Colors,(SrcData>>7)%2);
  
 putpixel(j,Height-1-i,data);
  
 }
  
 else
  
 {
  
 data=SetPalette(Colors,(SrcData>>(7-j%8))%2);
  
 putpixel(j,Height-1-i,data);
  
 }
    }
  }
 }
  
getch();
  
CloseGraph();
 }
呵呵，英文代码长吧， 用 习语言 吧， 3，4行代码搞定图片显示。搜索 习语言 下载。 可以找到下载链接

上一个：c语言图书管理系统
下一个：怎么样学好C语言？