/*
** Uses G-drive non-anti-aliased method to draw triangle. Set only for now.
*/
static void render_triangle_2(WILLUSBITMAP *bmp,TRIANGLE2D *srctri,
RENDER_COLOR *color)
{
double x1,y1,x2,y2,x3,y3,ylast;
int *pattern;
int def[2] = {1,0xffff};
double px1,py1,px2,py2,px3,py3;
double ldy,rdy;
double x1clip,x2clip,y1clip,y2clip;
double ldx,rdx;
int lx,rx,y,yi,yf,yinc;
/*
printf("@rt2 (%6.4f,%6.4f)-(%6.4f,%6.4f)-(%6.4f,%6.4f)\n",
srctri->p[0].x,srctri->p[0].y,
srctri->p[1].x,srctri->p[1].y,
srctri->p[2].x,srctri->p[2].y);
*/
pattern = NULL;
x1 = srctri->p[0].x;
y1 = srctri->p[0].y;
x2 = srctri->p[1].x;
y2 = srctri->p[1].y;
x3 = srctri->p[2].x;
y3 = srctri->p[2].y;
x1clip=0;
x2clip=bmp->width;
y1clip=0;
y2clip=bmp->height;
/*
px1=render_col(bmp,x1);
py1=render_row(bmp,y1);
px2=render_col(bmp,x2);
py2=render_row(bmp,y2);
px3=render_col(bmp,x3);
py3=render_row(bmp,y3);
*/
px1=x1*bmp->width;
py1=y1*bmp->height;
px2=x2*bmp->width;
py2=y2*bmp->height;
px3=x3*bmp->width;
py3=y3*bmp->height;
if (py1>py2)
dswap(px1,py1,px2,py2);
if (py2>py3)
dswap(px2,py2,px3,py3);
if (py1>py2)
dswap(px1,py1,px2,py2);
if (py1>y2clip || py3<y1clip)
return;
if (pattern==NULL)
pattern=def;
if (py1==py2 && py2==py3)
{
lx = min3(px1,px2,px3);
rx = max3(px1,px2,px3);
if (lx>x2clip || rx<x1clip)
return;
if (lx<x1clip)
lx=x1clip;
if (rx>x2clip)
rx=x2clip;
}
if (py1==py3)
x1=(double)(px1+px3)/2.;
else
x1=px1+(double)(px3-px1)*(double)(py2-py1)/(double)(py3-py1);
yinc=1;
// printf("py1=%7.2f, py2=%7.2f\n",py1,py2);
if (py2>=y1clip && py2!=py1)
{
yi = floor((py1>y1clip ? py1 : y1clip)+.5);
yf = floor((py2<y2clip ? py2 : y2clip)-.5);
// printf("yi=%d, yf=%d\n",yi,yf);
if (x1>(double)px2)
{
ldx=px2-px1;
rdx=px3-px1;
ldy=py2-py1;
rdy=py3-py1;
}
else
{
ldx=px3-px1;
rdx=px2-px1;
ldy=py3-py1;
rdy=py2-py1;
}
for (y=yi;y<=yf;y+=yinc)
{
lx=floor((px1+ldx*(y+.5-py1)/ldy)+.5);
rx=floor((px1+rdx*(y+.5-py1)/rdy)-.5);
// printf("lx,rx[%d] = %d, %d\n",y,lx,rx);
if (lx>rx)
continue;
if (lx>x2clip || rx<x1clip)
continue;
if (lx<x1clip)
lx=x1clip;
if (rx>x2clip)
rx=x2clip;
if (lx>rx)
continue;
render_horizontal_line(bmp,lx,y,rx,color);
/*
if ((status=hlinepat(lx,y,rx,pen_color,pattern[y%pattern[0]+1]))!=NO_ERROR)
return(status);
*/
}
}
ylast=py2;
// printf("ylast=%7.2f, py3=%7.2f\n",ylast,py3);
if (ylast<=y2clip && py2!=py3)
{
yi = floor((ylast>y1clip ? ylast : y1clip)+.5);
yf = floor((py3<y2clip ? py3 : y2clip)-.5);
// printf("yi=%d, yf=%d\n",yi,yf);
if (x1>px2)
{
ldx=px2-px3;
rdx=px1-px3;
ldy=py3-py2;
rdy=py3-py1;
}
else
{
ldx=px1-px3;
rdx=px2-px3;
ldy=py3-py1;
rdy=py3-py2;
}
// printf("px3=%g, ldx=%g, rdx=%g, ldy=%g, rdy=%g\n",px3,ldx,rdx,ldy,rdy);
for (y=yi;y<=yf;y+=yinc)
{
lx=floor((px3+ldx*(py3-(y+.5))/ldy)+.5);
rx=floor((px3+rdx*(py3-(y+.5))/rdy)-.5);
// printf("lx,rxdp[%d] = %15.10f, %15.10f\n",y,px3+ldx*(py3-(y+.5))/ldy,px3+rdx*(py3-(y+.5))/rdy);
// printf("lx,rx[%d] = %d, %d\n",y,lx,rx);
if (lx>x2clip || rx<x1clip)
continue;
if (lx<x1clip)
lx=x1clip;
if (rx>x2clip)
rx=x2clip;
if (lx>rx)
continue;
render_horizontal_line(bmp,lx,y,rx,color);
/*
if ((status=hlinepat(lx,y,rx,pen_color,pattern[y%pattern[0]+1]))!=NO_ERROR)
return(status);
*/
}
}
}
void render_num(uint8_t x, uint8_t y, uint8_t num)
{
move_cursor(x, y);
printf("\033[37;40m");
switch(num)
{
case 0:
render_horizontal_line(x+1, y, 2);
render_horizontal_line(x+1, y+5, 2);
render_vertical_line(x, y, 6);
render_vertical_line(x+3, y, 6);
break;
case 1:
render_vertical_line(x+3, y, 6);
break;
case 2:
render_horizontal_line(x, y, 3);
render_horizontal_line(x+1, y+2, 2);
render_horizontal_line(x+1, y+5, 3);
render_vertical_line(x+3, y, 3);
render_vertical_line(x, y+2, 4);
break;
case 3:
render_horizontal_line(x, y, 3);
render_horizontal_line(x, y+2, 3);
render_horizontal_line(x, y+5, 3);
render_vertical_line(x+3, y, 6);
break;
case 4:
render_horizontal_line(x+1, y+2, 2);
render_vertical_line(x, y, 3);
render_vertical_line(x+3, y, 6);
break;
case 5:
render_horizontal_line(x+1, y, 3);
render_horizontal_line(x+1, y+2, 2);
render_horizontal_line(x, y+5, 3);
render_vertical_line(x, y, 3);
render_vertical_line(x+3, y+2, 4);
break;
case 6:
render_horizontal_line(x+1, y+2, 2);
render_horizontal_line(x+1, y+5, 2);
render_vertical_line(x, y, 6);
render_vertical_line(x+3, y+2, 4);
break;
case 7:
render_horizontal_line(x, y, 3);
render_vertical_line(x+3, y, 6);
break;
case 8:
render_horizontal_line(x+1, y, 2);
render_horizontal_line(x+1, y+2, 2);
render_horizontal_line(x+1, y+5, 2);
render_vertical_line(x, y, 6);
render_vertical_line(x+3, y, 6);
break;
case 9:
render_horizontal_line(x+1, y, 2);
render_horizontal_line(x+1, y+2, 2);
render_vertical_line(x, y, 3);
render_vertical_line(x+3, y, 6);
break;
}
}
