void
PolyBezierSegment::Append (moon_path *path)
{
PointCollection *col;
GPtrArray *points;
col = GetPoints ();
int points_count = col->GetCount ();
// we need at least 3 points
if (!col || (points_count % 3) != 0)
return;
points = col->Array();
for (int i = 0; i < points_count - 2; i += 3) {
moon_curve_to (path,
((Value*)g_ptr_array_index(points, i))->AsPoint()->x,
((Value*)g_ptr_array_index(points, i))->AsPoint()->y,
((Value*)g_ptr_array_index(points, i+1))->AsPoint()->x,
((Value*)g_ptr_array_index(points, i+1))->AsPoint()->y,
((Value*)g_ptr_array_index(points, i+2))->AsPoint()->x,
((Value*)g_ptr_array_index(points, i+2))->AsPoint()->y);
}
}
void
PolyQuadraticBezierSegment::Append (moon_path *path)
{
PointCollection *col;
GPtrArray *points;
int count;
col = GetPoints ();
if (!col)
return;
count = col->GetCount ();
if ((count % 2) != 0)
return;
// origin
double x0 = 0.0;
double y0 = 0.0;
moon_get_current_point (path, &x0, &y0);
points = col->Array();
// we need at least 2 points
for (int i = 0; i < count - 1; i+=2) {
double x1 = ((Value*)g_ptr_array_index(points, i))->AsPoint()->x;
double y1 = ((Value*)g_ptr_array_index(points, i))->AsPoint()->y;
double x2 = ((Value*)g_ptr_array_index(points, i+1))->AsPoint()->x;
double y2 = ((Value*)g_ptr_array_index(points, i+1))->AsPoint()->y;
double x3 = x2;
double y3 = y2;
x2 = x1 + (x2 - x1) / 3;
y2 = y1 + (y2 - y1) / 3;
x1 = x0 + 2 * (x1 - x0) / 3;
y1 = y0 + 2 * (y1 - y0) / 3;
moon_curve_to (path, x1, y1, x2, y2, x3, y3);
// set new origin
x0 = x3;
y0 = y3;
}
}
void
PolyLineSegment::Append (moon_path *path)
{
PointCollection *col;
GPtrArray *points;
int count;
col = GetPoints ();
if (!col)
return;
points = col->Array();
count = col->GetCount ();
for (int i = 0; i < count; i++)
moon_line_to (path,
((Value*)g_ptr_array_index(points, i))->AsPoint()->x,
((Value*)g_ptr_array_index(points, i))->AsPoint()->y);
}
