论turbo c位图和bmp位图格式分极及应用

《论turbo c位图和bmp位图格式分极及应用》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、论TurboC位图和BMP位图格式分极及应用近来,图像功能在计算机上的应用十分广泛,一种方便快捷而实用的方法是首先利用图像扫描仪将图像数据自动生成并存入计算机,再利用P位图格式MSain(){int1,i,j,k,q,h;intdriver=VGA,mode=VGAHI;intlenth,high,number,p,m;unsignedsize;unsignedcharch,a[8],b[4],e[4][8];FILE*fp;char*s;fp=fopen(“party.bmp”,“rb”);fseek(fp,18,0);lenth=getber=(lenth+8)/

2、8*4#/*bytesofeachline*/#1number=4*(ceil((double)1enth/8));up=number/4;m1((lenth%8)!=0)m=p;{/*bytesofeachline/4*/1m=p-1;size=6+number*(high+1)/*needmemorybytesofgraphics*/1((s=char*)malloc(size))==NULL){printf(“mallocerror!＼n”);exit(0);}s[0]=lenth0x00ff;s[1]=(lenth0xff00)>>8;s[2]=h

3、igh0x00ff;s[3]=(high0xff00)>>8;for(i=4;i<size;i++)s[i]=0;fseek(fp,118,0);#for(l=high-1;1>=0;1--)#for(q=0;q<m;q++){#for(k=0;k<4;k++){#ch=getc(fp);uch=convert(ch);ma[0]=ch0x1;a[1]=(ch0x2)>>1;{a[2]=(ch0x4)>>2;a[3]=(ch0x8)>>3;a[4]=(ch0x10)>>4;a[5]=(

4、chx20)>>5;a[6]=(ch0x40)>>6;a[7]=(ch0x80)>>7;h=7;for(j=0;j<2;i++)for(j=0;j<4;i++){e[j][i+2*k]=a[h];h--;}}#for(i=0;i<4;i++){#b[i]=(e[i][０]<<7)+(e[i][1]<<6)+(e[i][2]<<5)+#(e[i][3]<<4)+(e[i][4]<<3)+(e[i][5]<<2)+#(e[i][6]<<

5、1)+(e[i][7]);us[4+number*1+q]=b[0];s[4+number*1+q+p]=b[1];ms[4+number*1+q+2*p]=b[2];s[4+number*1+q+3*p]=b[3];{}fclose(fp);initgraph(driver,mode,“d:＼＼tc”);putimage(0,0,s,0);getch();free(s):closegraph();}unsignedcharconvert(unsignedcharch)/*bmpcolorconvertvgacolor*/{unsignedcharc[2];inti;

6、#c[0]=(ch0xf0)>>4;#c[1]=ch0x0f;#for(i=0;i<2;i++){#1(c[i]==0x01){c[i]=0x04;continue;}u1(c[i]==0x03){c[i]=0x6;continue;}m1(c[i]==0x04){c[i]=0x01;continue;}{1(c[i]==0x06){c[i]=0x03;continue;}1(c[i]==0x07){c[i]=0x8;continue;}1(c[i]==0x08){c[i]=0x07;continue;}1(c[i]==0x09){c[i]=0xc;

7、continue;}1(c[i]==0x0b){c[i]=0xe;continue;}1(c[i]==0x0c){c[i]=0x9;continue;}1(c[i]==0x0e)c[i]=0x0b;}ch=(c[0]<<4)+c[1];returnch