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void CFill4Dlg::Bresenham(int x0,种种填灰色克星源码int y0,int x1,int y1,int color)
{
int x,y,dx,dy,e;
dx=y1-x0;
dy=y1-y0;
e=-dx;
x=x0;
y=y0;
CClientDC dc(this);
for(x=x0;x<x1;x++)
{
dc.SetPixel(x,(int)(y+0.5),color);
e=e+2*dy;
if(e>=0)
{
y++;
e=e-2*dx;
}
}
}
void CFill4Dlg::CirclePoints(int x,int y,int m,int n,int color)
{
CClientDC dc(this);
dc.SetPixel(x+m_cx,y+m_cy,color);
dc.SetPixel(y+m_cx,x+m_cy,color);
dc.SetPixel(-x+m_cx,y+m_cy,color);
dc.SetPixel(y+m_cx,-x+m_cy,color);
dc.SetPixel(x+m_cx,-y+m_cy,color);
dc.SetPixel(-y+m_cx,x+m_cy,color);
dc.SetPixel(-x+m_cx,-y+m_cy,color);
dc.SetPixel(-y+m_cx,-x+m_cy,color);
}
void CFill4Dlg::MidPointCircle(int r,int m,int n,int color)
{
int x,y;
float d;
x=0;
y=r;
d=float(1.-r);
CirclePoints(x,y,m,n,color);
while(x<=y)
{
if(d<0)
d+=2*x+3;
else
{
d+=2*(x-y)+5;
y--;
}
x++;
CirclePoints(x,y,m,n,color);
}
}
2 å¡«å ï¼
ç§åè®¾å® filled_color=getpixel(m_zx,m_zy);
typedef struct
{ //è®°å½ç§åç¹
int x;
int y;
}seed;
seed * seed_p;
#define STACKTOTAL
void stack_init();
void setstackempty();
void stackpush(seed pt);
seed stackpop();
bool isstackempty();
int stack_number;
å¡«å ï¼
void CFill4Dlg::FloodFill4(int x,int y,int oldcolor,int newcolor)
{
CClientDC dc(this);
if((int)dc.GetPixel(x,y)==oldcolor)
{
drawpixel(x,y,newcolor);
FloodFill4(x,y+1,oldcolor,newcolor);
FloodFill4(x,y-1,oldcolor,newcolor);
FloodFill4(x-1,y,oldcolor,newcolor);
FloodFill4(x+1,y,oldcolor,newcolor);
}
}
void CFill4Dlg::drawpixel(int x, int y, int color)
{
CClientDC dc(this);
dc.SetPixel(x,y,color);
}
CEAC1CEEE2CA9BDFC
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f(x,y,z) =(x&y)|((~x)&z)
g(x,y,z) =(x&z)|(y&(~z))
h(x,y,z) =x^y^z
i(x,y,z)=y^(x|(~z))
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å设mj表示æ¶æ¯ç第j个ååç»ï¼ä»0å°ï¼ï¼<<
ff(a,b,c,d,mj,s,ti)表示a=b+((a+(f(b,c,d)+mj+ti)<< gg(a,b,c,d,mj,s,ti)表示a=b+((a+(g(b,c,d)+mj+ti)<< hh(a,b,c,d,mj,s,ti)表示a=b+((a+(h(b,c,d)+mj+ti)<< ii(a,b,c,d,mj,s,ti)表示a=b+((a+(i(b,c,d)+mj+ti)<<
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ff(a,b,c,d,m0,7,0xdaa)
ff(d,a,b,c,m1,,0xe8c7b)
ff(c,d,a,b,m2,,0xdb)
ff(b,c,d,a,m3,,0xc1bdceee)
ff(a,b,c,d,m4,7,0xfc0faf)
ff(d,a,b,c,m5,,0xca)
ff(c,d,a,b,m6,,0xa)
ff(b,c,d,a,m7,,0xfd)
ff(a,b,c,d,m8,7,0xd8)
ff(d,a,b,c,m9,,0x8bf7af)
ff(c,d,a,b,m,,0xffff5bb1)
ff(b,c,d,a,m,,0xcd7be)
ff(a,b,c,d,m,7,0x6b)
ff(d,a,b,c,m,,0xfd)
ff(c,d,a,b,m,,0xae)
ff(b,c,d,a,m,,0xb)
第äºè½®
gg(a,b,c,d,m1,5,0xfe)
gg(d,a,b,c,m6,9,0xcb)
gg(c,d,a,b,m,,0xe5a)
gg(b,c,d,a,m0,,0xe9b6c7aa)
gg(a,b,c,d,m5,5,0xdfd)
gg(d,a,b,c,m,9,0x)
gg(c,d,a,b,m,,0xd8a1e)
gg(b,c,d,a,m4,,0xe7d3fbc8)
gg(a,b,c,d,m9,5,0xe1cde6)
gg(d,a,b,c,m,9,0xcd6)
gg(c,d,a,b,m3,,0xf4dd)
gg(b,c,d,a,m8,,0xaed)
gg(a,b,c,d,m,5,0xa9e3e)
gg(d,a,b,c,m2,9,0xfcefa3f8)
gg(c,d,a,b,m7,,0xfd9)
gg(b,c,d,a,m,,0x8d2a4c8a)
第ä¸è½®
hh(a,b,c,d,m5,4,0xfffa)
hh(d,a,b,c,m8,,0xf)
hh(c,d,a,b,m,,0x6d9d)
hh(b,c,d,a,m,,0xfdec)
hh(a,b,c,d,m1,4,0xa4beea)
hh(d,a,b,c,m4,,0x4bdecfa9)
hh(c,d,a,b,m7,,0xf6bb4b)
hh(b,c,d,a,m,,0xbebfbc)
hh(a,b,c,d,m,4,0xb7ec6)
hh(d,a,b,c,m0,,0xeaafa)
hh(c,d,a,b,m3,,0xd4ef)
hh(b,c,d,a,m6,,0xd)
hh(a,b,c,d,m9,4,0xd9d4d)
hh(d,a,b,c,m,,0xe6dbe5)
hh(c,d,a,b,m,,0x1facf8)
hh(b,c,d,a,m2,,0xc4ac)
第åè½®
ii(a,b,c,d,m0,6,0xf)
ii(d,a,b,c,m7,,0xaff)
ii(c,d,a,b,m,,0xaba7)
ii(b,c,d,a,m5,,0xfca)
ii(a,b,c,d,m,6,0xbc3)
ii(d,a,b,c,m3,,0x8f0ccc)
ii(c,d,a,b,m,,0xffeffd)
ii(b,c,d,a,m1,,0xdd1)
ii(a,b,c,d,m8,6,0x6fae4f)
ii(d,a,b,c,m,,0xfe2ce6e0)
ii(c,d,a,b,m6,,0xa)
ii(b,c,d,a,m,,0x4ea1)
ii(a,b,c,d,m4,6,0xfe)
ii(d,a,b,c,m,,0xbd3af)
ii(c,d,a,b,m2,,0x2ad7d2bb)
ii(b,c,d,a,m9,,0xebd)
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md5 ("") = dd8cdfbeecfe
md5 ("a") = 0ccb9c0f1b6ace
md5 ("abc") = cdfb0df7def
md5 ("message digest") = fbd7cbda2faafd0
md5 ("abcdefghijklmnopqrstuvwxyz") = c3fcd3dedfbccaeb
md5 ("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz") =
dabdd9f5ac2c9fd9f
md5 ("
") = edf4abe3cacda2eba
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#include "Conio.h"
#include "graphics.h"
#define closegr closegraph
void initgr(void) /* BGIåå§å */
{ int gd=DETECT,gm=0; /* ågd=VGA,gm=VGAHIæ¯åæ ·ææ */
registerbgidriver(EGAVGA_driver);/* 注åBGI驱å¨åå¯ä»¥ä¸éè¦.BGIæ件çæ¯æè¿è¡ */
initgraph(&gd,&gm,"");
}
void seedfilling(x,y,fill_color,boundary_color)
int x,y,fill_color,boundary_color;
{
int c;
c=getpixel(x,y); /*è·åå½åç¹çé¢è²*/
if((c!=boundary_color)&&(c!=fill_color)) /*å¦æé¢è²ä¸ºè¾¹çè²åä¸å¡«å */
{
putpixel(x, y, fill_color); /*ç»ç¹*/
getch(); /*å ä¸è¿æ¡è¯å¥å¯ä»¥æ¾ç¤ºå¡«å ç¶æ */
seedfilling(x+1,y, fill_color, boundary_color);
seedfilling(x-1,y, fill_color, boundary_color);
seedfilling(x, y+1, fill_color, boundary_color);
seedfilling(x, y-1, fill_color, boundary_color);
}
}
void main()
{
int a,b,color;
int gd=DETECT , gm;
int poly[];
a= ;
b=;
color=4;
initgraph(&gd , &gm , "");
poly[0] = ; /* 第ä¸ä¸ªç¹çxåæ 以åyåæ */
poly[1] = ;
poly[2] = ; /* 第äºç¹ */
poly[3] = ;
poly[4] = ; /* 第ä¸ç¹ */
poly[5] = ;
poly[6]=; /*第åç¹*/
poly[7]=;
poly[8]=; /*å¤è¾¹å½¢çèµ·ç¹ä¸ç»ç¹ä¸æ ·*/
poly[9]=;
drawpoly(5,poly);/* æ¾ç¤ºåç¹è¿æ¥èµ·æ¥çå¤è¾¹å½¢ */
seedfilling(a,b,color,); /*ç§åå¡«å å¤è¾¹å½¢*/
getch();
closegraph();
}