long radiosity_converged(long process_id)
{
float prev_total, current_total ;
float difference ;
Rgb rad ;
/* Check radiosity value */
prev_total = global->prev_total_energy.r + global->prev_total_energy.g
+ global->prev_total_energy.b ;
current_total = global->total_energy.r + global->total_energy.g
+ global->total_energy.b ;
/* Compute difference from the previous iteration */
prev_total += 1.0e-4 ;
difference = fabs( (current_total / prev_total) - (float)1.0 ) ;
if( verbose_mode )
{
rad = global->total_energy ;
rad.r /= global->total_patch_area ;
rad.g /= global->total_patch_area ;
rad.b /= global->total_patch_area ;
printf( "Total energy: " ) ;
print_rgb( &global->total_energy ) ;
printf( "Average radiosity:" ) ;
print_rgb( &rad ) ;
printf( "Difference %.2f%%\n", difference * 100.0 ) ;
}
if( difference <= Energy_epsilon )
return( 1 ) ;
else
return( 0 ) ;
}
static void print_colors(gradient *g, modes mode)
{
int i;
if(mode == WEBKIT) {
if(g->colors[0].a == 255)
printf("from(#%02x%02x%02x), to(#%02x%02x%02x)",
g->colors[0].r, g->colors[0].g, g->colors[0].b,
g->colors[g->ncolors-1].r, g->colors[g->ncolors-1].g, g->colors[g->ncolors-1].b);
else
printf("from(rgba(%i,%i,%i,%.3g)), to(rgba(%i,%i,%i,%.3g))",
g->colors[0].r, g->colors[0].g, g->colors[0].b, decimal2ratio(g->colors[0].a),
g->colors[g->ncolors-1].r, g->colors[g->ncolors-1].g, g->colors[g->ncolors-1].b,
decimal2ratio(g->colors[g->ncolors-1].a));
for(i=1; i<g->ncolors-1; i++) {
if(g->colors[i].a == 255)
printf(", color-stop(%u%%, #%02x%02x%02x)",
g->colors[i].pos,
g->colors[i].r, g->colors[i].g, g->colors[i].b);
else
printf(", color-stop(%u%%, rgba(%i,%i,%i,%.3g))",
g->colors[i].pos,
g->colors[i].r, g->colors[i].g, g->colors[i].b,
decimal2ratio(g->colors[i].a));
}
}
else if(mode == YUI3) {
for(i=0; i<g->ncolors; i++) {
printf("\t\t\t{ color: \"");
if(g->colors[i].a == 255)
print_rgb(g->colors[i]);
else
print_rgba(g->colors[i]);
printf("\"");
if(g->colors[i].pos != -1)
printf(", offset: %0.2f", (float)g->colors[i].pos/100);
printf(" }");
if(i<g->ncolors-1)
printf(",");
printf("\n");
}
}
else {
if(g->colors[0].a == 255)
print_rgb(g->colors[0]);
else
print_rgba(g->colors[0]);
if(g->colors[0].pos != -1)
printf(" %u%%", g->colors[0].pos);
for(i=1; i<g->ncolors; i++) {
printf(", ");
if(g->colors[i].a == 255)
print_rgb(g->colors[i]);
else
print_rgba(g->colors[i]);
if(g->colors[i].pos != -1)
printf(" %u%%", g->colors[i].pos);
}
}
}
void print_element(Element *elem, long process_id)
{
printf( "Element (%ld)\n", (long)elem ) ;
print_point( &elem->ev1->p ) ;
print_point( &elem->ev2->p ) ;
print_point( &elem->ev3->p ) ;
printf( "Radiosity:" ) ; print_rgb( &elem->rad ) ;
}
