bool TextFormatter::EnsureVisible(CFDC& dc, FilePos pos)
{
if (pos >= m_top && pos < m_bot)
return false;
FilePos ptop(pos);
ptop.off = 0;
if (!FormatFwd(dc, ptop))
return true;
while (m_top.para == pos.para && pos >= m_bot)
if (!FormatFwd(dc))
break;
return true;
}
void DrawTriangle(QPainter *p,pigalePaint *paint)
{TopologicalGraph G(paint->GCP);
Prop1<Tpoint> pmin(G.Set(),PROP_POINT_MIN);
Prop1<Tpoint> pmax(G.Set(),PROP_POINT_MAX);
Prop<Tpoint> pleft(G.Set(tvertex()),PROP_DRAW_POINT_1);
Prop<Tpoint> pright(G.Set(tvertex()),PROP_DRAW_POINT_2);
Prop<Tpoint> ptop(G.Set(tvertex()),PROP_DRAW_POINT_3);
Prop<short> vcolor(G.Set(tvertex()),PROP_COLOR);
p->setFont(QFont("sans",Min((int)(Min(paint->xscale,paint->yscale) + .5),13)));
for(tvertex iv = 1; iv <= G.nv();iv++)
{paint->DrawTriangle(p,pleft[iv],pright[iv],ptop[iv],vcolor[iv]);
Tpoint center = (pleft[iv]+pright[iv]+ptop[iv])/3.;
paint->DrawText(p,center,iv,vcolor[iv],1);
}
}
int main ()
{
int x = 4;
int arr [2]={1,3};
int arr2 [2][2] = { {3,4},{3,4}};
int *p4 = &x;
void *p5 = &x;
int * p1 = &x;
int temp;
int * const p = &x;
ptop();
fun_array(arr);
printf("the arr after calling fun_array is %d\n",arr[0]);
//printf(" print the void pointer %d\n",*(p5)); cannot indirect a void pointer
fun_arr(&arr[0]);
printf(" the size of the arr in main fun is %d\n", sizeof(arr));
fun_arr(arr);
fun_arr2(arr2);
printf("the add of p1 is %p\n", &p1);
printf("the add of x is %p\n",&x);
printf("the add of mem pointed by p1 or value of p1 is %p\n",p1);
fun ( p1, &p1);
printf("the add of mem pointed by p1 or value of p1 is %p\n",p1);
printf("==================\n");
temp = (*p4)++;
printf(" the new p4 is %d\n",*p4);
getchar();
return 1;
}
