用計算機程序制作三維立體畫

該程序寄生在Windows 3.1中的Pbrush軟件上。借助于它來構(gòu)筑立體形體(即立體形體水平剖面高低坐標數(shù)據(jù)文件圖8),設計原始圖案(圖9)。程序運行后,逐行輸入并處理以上兩個文件中的圖形,然后輸出立體畫結(jié)果文件(圖10)。最后,用Pbrush來觀賞立體畫result.bmp。當然,要設計出令人賞心悅目的立體畫,必須在立體形體和圖案素材的選擇和搭配上做到天衣無縫,獨具匠心。

@@09A04007.GIF;圖8@@

@@09A04008.GIF;圖9@@

@@09A04009.GIF;圖10程序清單@@

/*--from 1995.4.19--to 1995.5.18----*/includestdio.h>

#define COMPRESSION 0

#define SIZE-OF-BITMAPFILEHEADER 14

#define SIZE-OF-BITMAPINFOHEADER 40

#define SIZE-OF-RGBQUAD 4

#define PIXEL-DATE-OFFSET 14+40+4*16

/*SIZE-OF-BITMAPFILEHEADER+SIZE-OF-BITMAPINFOHEADER+BITS-PER-PIXEL

*NUM-COLOR*/

#define NUM-COLOR 16

#define NUM-LINE 400

#define WIDTH 640

#define BITS-PER-PIXEL 4

#define PIXEL-PER-BYTE 2 /*8/BITS-PER-PIXEL*/

#define BYTE-PER-LINE 320 /*((WIDTH*BITS-PER-PIXEL-1)/32+1)*4 */

#define NO-DOT WIDTH+1

#define EYE-SPACE 128

struct{

unsignde char color ;

unsigned int pri-x ;

unsigned int nxt-x ;

}dot[WIDTH];

main()

{

struct tagBITMAPFILEHEADER{

unsigned char bfType1,bfType2; /* always equal to#39;BM#39;*/

unsigned long int bfSize; /*size of file */

unsigned int bfReserved1,bfReserved2; /* set to zero */

unsiged long int bfoffits; /*byte offset from BITMAPFILEHEADER to bitmap p

ixel

data in the file */

}BITMAPFILEHEADER;

struct tagBITMAPINFOHEADER{

unsigned long int biSize,/* size of BITMAPINFOHEADER */

biWidth;/* width in pixels biHeight;/* height in pixels */

unsigned int biPlanes, /* always 1 */

biBitCount; /* color bits per pixel must be 1,4,8 or 24 */

unsigned long int biCompression, /*BI-RGB,BI-RLE 8 or 4*/

biSizeImage, /*total bytes in image */

biXPelsPerMeter,/* 0,or opt,h res. */

biYPelsPerMeter,/* 0,or opt,h res. */

biClrUsed, /* normally 0,can set a lower no. colors than biBitCount */

biClrImportant; /* normally 0 */

}BITMAPINFOHEADER;

struct tagRGBQUAD{

unsigned char rgbBlue, /* blue intensity,0-255 */

rgbGreen, /* green intensity,0-255 */

rgbRed, /* red intensity,0-255 */

rgbReserved; /* reserved,set to Zero */

}RGBQUAD[NUM-COLOR];

char *fn-layer=layer.bmp;

char *fn-org=origin.bmp;

char *fn-result=result.bmp;

FILE *flayer,*fOrigin, *fResult;

unsigned char tmp-byte1,tmp-byte2;

unsigned int line,i-byte,i-pixel,x;

unsigned int layer;

int left-x,right-x;tmp-x;

unsigned long int cur-offset;

unsigned char h[WIDTH],org-color[WIDTH];

puts(---WINTRICK---);

puts(---by Li Jisong ---);

if( (fLayer=fopen(fn-layer,rb) )!=NULL) {

fread(BITMAPFILEHEADER,SIZE-OF-BITMAPFILEHADER,1,fLayer);

fread(BITMAPINFOHEADER,SIZE-OF-BITMAPINFOHEADER,1,fLayer);

if( BITMAPFILEHEADER.bfType1==#39;B#39; BITMAPFILEHEADER.bfType2==#39;M#39;

BITMAPINFOHEADER.biWidth==WIDTH BITMAPINFOHEADER.biHeight==NUM-

LINE

BITMAPINFOHEADER.biBitCount==BITS-PER-PIXEL

BITMAPINFOHEADER.biCompression==COMPRESSION)

fread(RGBQUAD,SIZE-OF-RGBQUAD,NUM-COLOR,fLayer);

else{

fclose(fLayer);

printf(File %s is not fit for this program! ,fn-layer);

getch();

exit(1);

}

}

else{

printf(File %s does not exist! ,fn-layer);

getch();

exit(2);

}

if( (fOrigin=fopen(fn-org,rb))!=NULL) {

fread( BITMAPFILEHEADER,SIZE-OF-BITMAPFILEHEADER,1,fOrigin);

fread( BITMAPINFOHEADER,SIZE-OF-BITMAPINFOHEADER,1,fOrigin);

if( BITMAPFILEHEADER.bfType1==#39;B#39; BITMAPFILEHEADER.bfType2==#39;M#39;

BITMAPINFOHEADER.biWidth==WIDTH BITMAPINFOHDADER.biHeight==NUM-LINE

BITMAPINFOHEADER.biBitCount==BITS-PER-PIXEL

BITMAPINFOHEADER.biCompression==COMPRESSION)

fread(RGBQUAD,SIZE-OF-RGBQUAD,NUM-COLOR,fOrigin);

else {

fclose(fOrigin);

printf(File %s is not fit for this program! ,fn-org);

getch();

exit(3);

}

}

else {

printf(File %s does not exist! ,fn-org);

getch();

exit(4);

}

if( (fResult=fopen(fn-result,wb))!=NULL){

fwrite(BITMAPFILEHEADER,SIZE-OF-BITMAPFILEHEADER,1,fResult);

fwrite( BITMAPINFOHIADER,SIZE-OF-BITMAPINFOHEADER,1,fResult);

fwrite(RGBQUAD,SIZE-OF-RGBQUAD,NUM-COLOR,fResult);