my_mouse.c

这是本人最近利用业余时间变得

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


int MouseExist;
int MouseButton;
int MouseX;
int MouseY;


int up[16][16],down[16][16],mouse_draw[16][16],pixel_save[16][16];

void MouseMath()/*计算鼠标的样子*/
{int i,j,jj,k;
 long UpNum[16]={
       0x3fff,0x1fff,0x0fff,0x07ff,
       0x03ff,0x01ff,0x00ff,0x007f,
       0x003f,0x00ff,0x01ff,0x10ff,
       0x30ff,0xf87f,0xf87f,0xfc3f
       };
 long   DownNum[16]={
       0x0000,0x7c00,0x6000,0x7000,
       0x7800,0x7c00,0x7e00,0x7f00,
       0x7f80,0x7e00,0x7c00,0x4600,
       0x0600,0x0300,0x0300,0x0180
      };

   for(i=0;i<16;i++)
   {
   j=jj=15;
    while(UpNum[i]!=0)
    {
    up[i][j]=UpNum[i]%2;
    j--;
    UpNum[i]/=2;
    }
   while(DownNum[i]!=0)
    {
    down[i][jj--]=DownNum[i]%2;
    DownNum[i]/=2;
    }
  for(k=j;k>=0;k--)
   up[i][k]=0;
  for(k=jj;k>=0;k--)
   down[i][k]=0;
  for(k=0;k<16;k++)/*四种组合方式*/
   {
   if(up[i][k]==0&&down[i][k]==0)
    mouse_draw[i][k]=1;
   else if(up[i][k]==0&&down[i][k]==1)
    mouse_draw[i][k]=2;
   else if(up[i][k]==1&&down[i][k]==0)
    mouse_draw[i][k]=3;
   else
    mouse_draw[i][k]=4;
  }
 }
 mouse_draw[1][2]=4;/*特殊点*/
}
/*鼠标光标显示*/
void MouseOn(int x,int y)
  {
 int i,j;
 int color;

  for(i=0;i<16;i++)/*画鼠标*/
  {
   for(j=0;j<16;j++)
    {
    pixel_save[i][j]=getpixel(x+j,y+i);/*保存原来的颜色*/
    if(mouse_draw[i][j]==1)
     putpixel(x+j,y+i,0);
    else if(mouse_draw[i][j]==2)
     putpixel(x+j,y+i,15);
    }
   }
  }
/*隐藏鼠标*/
void MouseOff()
{
int i,j,x,y,color;
 x=MouseX;
 y=MouseY;
 for(i=0;i<16;i++)/*原位置异或消去*/
  for(j=0;j<16;j++)
    {
    if(mouse_draw[i][j]==3||mouse_draw[i][j]==4)
     continue;
    color=getpixel(x+j,y+i);
    putpixel(x+j,y+i,color^color);
    putpixel(x+j,y+i,pixel_save[i][j]);
    }
}

/*鼠标是否加载
  MouseExist:1=加载
      0=未加载
  MouseButton:鼠标按键数目 */
void MouseLoad()
  {
   _AX=0x00;
   geninterrupt(0x33);
   MouseExist=_AX;
   MouseButton=_BX;
  }

/*鼠标状态值初始化*/
void MouseReset()
  {
   _AX=0x00;
   geninterrupt(0x33);
  }

/*设置鼠标左右边界
  lx:左边界
  gx:右边界        */
void MouseSetX(int lx,int rx)
  {
   _CX=lx;
   _DX=rx;
   _AX=0x07;
   geninterrupt(0x33);
  }

/*设置鼠标上下边界
  uy:上边界
  dy:下边界       */
void MouseSetY(int uy,int dy)
  {
   _CX=uy;
   _DX=dy;
   _AX=0x08;
   geninterrupt(0x33);
  }

/*设置鼠标当前位置
  x:横向坐标
  y:纵向坐标        */
void MouseSetXY(int x,int y)
  {
   _CX=x;
   _DX=y;
   _AX=0x04;
   geninterrupt(0x33);
  }

/*获取鼠标当前位置*/
void MouseGetXY()
  {
   _AX=0x03;
   geninterrupt(0x33);
   MouseX=_CX;
   MouseY=_DX;
  }




void main()
{int gd=DETECT,gm;
char *s;
 initgraph(&gd,&gm,"e:\\turboc3");
MouseMath();
MouseSetY(0,479);
MouseSetX(0,639);
MouseSetXY(100,100);
MouseLoad();
if( MouseExist==0)
{printf("No Mouse!");
exit(0);} 
MouseReset();
outtextxy(400,400,"Author: Angel.V");
settextstyle(0,0,4);
outtextxy(200,200,"My Mouse");
MouseOn(MouseX,MouseY);
 while(!kbhit())
 { delay(20);
   MouseOff();
   MouseGetXY();
   setfillstyle(1,BLACK);
   bar(10,10,100,100);
   floodfill(50,50,BLACK);
     settextstyle(0,0,1);
   sprintf(s,"%d  ,  %d",MouseX,MouseY);
   outtextxy(10,10,s);
   MouseOn(MouseX,MouseY);
 }
   closegraph();
}