原始程式
UDrawBox
原始檔－起始
#include "w_obj.h"
/*================================================================*/
void UDrawBox(int X1,int Y1,int X2,int Y2,int attr,int clear,int shadow,int type)
{ /* X2 為最外一行,因框為2byte,畫時會由前一行畫*/
int i,j;
char *l_u, *r_u, *l_d, *r_d, *h_line, *v_line;
switch(type)
{
case 1: /* 1 line box */
l_u = "┌" ;
r_u = "┐" ;
l_d = "└" ;
r_d = "┘" ;
h_line = "─" ;
v_line = "│" ;
break;
case 2: /* 2 line box */
l_u = "╔" ;
r_u = "╗" ;
l_d = "╚" ;
r_d = "╝" ;
h_line = "═" ;
v_line = "║" ;
break;
case 3: /* thick line box */
l_u = "╭" ;
r_u = "╮" ;
l_d = "╰" ;
r_d = "╯" ;
h_line = "═" ;
v_line = "║" ;
break;
}
UShowS(X1 ,Y1,l_u,attr);
UShowS(X1 ,Y2,l_d,attr);
UShowS(X2-1,Y1,r_u,attr);
UShowS(X2-1,Y2,r_d,attr);
for (i=X1+2; i<X2-2; i+=2)
{ UShowS(i,Y1,h_line,attr);
UShowS(i,Y2,h_line,attr);
}
for (i=Y1+1; i<Y2; i++)
{ UShowS(X1 ,i,v_line,attr);
UShowS(X2-1,i,v_line,attr);
}
if (clear)
UScroll(0,X1+2,Y1+1,X2-2,Y2-1,clear);
if (shadow)
{
V_PTR v_ptr = video_base + (X1+1)*2 + Y2*160 + 1; /* bottom shadow */
for (i=0; i < X2-X1+1; i++)
{
*v_ptr = *v_ptr & 0x07;
v_ptr += 2;
}
v_ptr = video_base + (X2)*2 + Y1*160 + 1; /* right shadow */
for (i=0; i < Y2-Y1; i++)
{
*v_ptr = *v_ptr & 0x07;
v_ptr += 2;
*v_ptr = *v_ptr & 0x07;
v_ptr += 160 - 2;
}
}
}
原始檔－結束
Byron Wey Oct.21.1998