地球 c语言实现

最新推荐文章于 2021-05-18 02:54:06 发布

lianqianyun

最新推荐文章于 2021-05-18 02:54:06 发布

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文章标签：语言 c image random include delay

本文链接：https://blog.youkuaiyun.com/lianqianyun/article/details/1798585

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本文提供了一个使用C语言进行图形编程的例子，演示了如何在图形界面中绘制图像、文字和星星背景。通过定义图形模式、加载库文件、创建动态显示效果等步骤，实现了图形界面的初始化，并展示了移动图片的效果。

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#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
#include <dos.h>
#include <process.h>

#define TRUE 1
#define FALSE 0
#define IMAGE_SIZE 10

void draw_picture();
void move_picture();
void draw_image(int x, int y);
void putpixel_stars();

char title[]="WELLCOME TO THE";
char *move="COMPUTER WOELD!";
void *pt_addr;
int x,y,maxx,maxy,midx,midy;

int main()
{
   int driver = VGA;
   int mode=VGAHI;
   int errorcode;
   initgraph(&driver, &mode, "C://soft//TC");
   errorcode=graphresult();
   if(errorcode!=0){
     printf("Graphics error:%s/n",grapherrormsg(errorcode));
     printf("Press any key to halt:");
     getch();
     exit(1);
   }
   cleardevice();
   maxx=getmaxx();
   maxy=getmaxy()-20;
   midx=maxx/2;
   midy=maxy/2;
   x=0;
   y=midy-25;
   setbkcolor(GREEN);
   draw_picture();
   move_picture();
   free(pt_addr);
   settextstyle(DEFAULT_FONT,HORIZ_DIR,1);
   settextjustify(LEFT_TEXT,TOP_TEXT);
   restorecrtmode();
}

void draw_picture(void)
{
unsigned int i,size;
setlinestyle(SOLID_LINE,0,NORM_WIDTH);
setcolor(LIGHTBLUE);
for(i=0;i<=14;i++)
{
ellipse(midx,midy,0,360,108,108-8*i);
ellipse(midx,midy,0,360,108-8*i,108);
}
setcolor(BLUE);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);
ellipse(midx,midy,130,50,170,30);
draw_image(x,y);
size=imagesize(x,y-IMAGE_SIZE,x+(4*IMAGE_SIZE),y+IMAGE_SIZE);
pt_addr=malloc(size);
getimage(x,y-IMAGE_SIZE,x+(4*IMAGE_SIZE),y+IMAGE_SIZE,pt_addr);
putpixel_stars();
setcolor(DARKGRAY);
setlinestyle(SOLID_LINE,0,THICK_WIDTH);
rectangle(0,0,maxx,maxy);
setfillstyle(SOLID_FILL,LIGHTGRAY);
bar(0,getmaxy()-18,getmaxx(),getmaxy());
outtextxy(150,getmaxy()-12,"Program for Demo in CG Lesson ,HUST");
setlinestyle(SOLID_LINE,0,NORM_WIDTH);
setcolor(BLUE);
settextstyle(TRIPLEX_FONT,HORIZ_DIR,6);
settextjustify(CENTER_TEXT,CENTER_TEXT);
outtextxy(midx-70,70,title);
}

void move_picture(viod)
{
char printmove[2];
int movex;
do{
    x=0;
    movex=midx-200;
    setcolor(6);
    while(x<=maxx)
    {
      if(kbhit())break;
      putimage(x,y-IMAGE_SIZE,pt_addr,XOR_PUT);
      x=x+5;
      if(*move!='/0'&& x>movex)
      {
        *(printmove)=*(move++);
        *(printmove+1)='/0';
        outtextxy(movex,y+IMAGE_SIZE+100,printmove);
    movex+=30;
      }
      putimage(x,y-IMAGE_SIZE,pt_addr,XOR_PUT);
      delay(150000);
    }
     putimage(0,y-IMAGE_SIZE,pt_addr,XOR_PUT);
}while(!kbhit());
}

void draw_image(int x,int y)
{
setcolor(GREEN);
setfillstyle(1,4);
moveto(x+10,y);
linerel(-3*10,2*10);
moveto(x+10,y);
linerel(-3*10,-2*10);
moveto(x+25,y);
linerel(-5*10,0);
fillellipse(x+13,y,8,8);
}

void putpixel_stars(void)
{
int i,seed=1958;
int dotx,doty,h,w,color,maxcolor;
maxcolor=getmaxcolor();
w=getmaxx();
h=getmaxy()-20;
srand(seed);
for(i=0;i<5000;++i)
{
    dotx=1+random(w-1);
    doty=1+random(h-1);
    color=random(maxcolor);
    putpixel(dotx,doty,color);
}
srand(seed);
}