public override void draw_point(Vector2 p, Rgb rgb, PointStyle s)
{
if ((int)s >= ids.Length)
{
s = PointStyle.PointStyleCross;
}
Vector2 v2d = trans_pos(p);
svg_begin_use(ids[(int)s], v2d.x(), v2d.y(), false);
svg_add_stroke(rgb);
svg_end();
}
void draw_2d_e(Renderer r, Stop stop, Element ref_)
{
Vector3 mr = new Vector3(0, stop.get_external_radius(), 0);
Vector3 top = new Vector3(0, stop.get_shape().get_outter_radius(Vector2.vector2_01), 0);
Vector3 bot = new Vector3(0, -stop.get_shape().get_outter_radius(Vector2.vector2_01.negate()),
0);
Transform3 t = stop.get_transform_to(ref_);
Rgb color = r.get_style_color(stop.get_style());
r.group_begin("");
r.draw_segment(t.transform(top), t.transform(mr), color);
r.draw_segment(t.transform(bot), t.transform(mr.negate()), color);
r.group_end();
}
public override void draw_circle(Vector2 c, double r, Rgb rgb, bool filled)
{
Vector2 v2d = trans_pos(c);
svg_begin_ellipse(v2d.x(), v2d.y(), x_scale(r), y_scale(r), false);
svg_add_stroke(rgb);
if (filled)
{
svg_add_fill(rgb);
}
else
{
_out.Append(" fill=\"none\"");
}
svg_end();
}
public virtual void draw_circle(Vector2 v, double r, Rgb rgb, bool filled)
{
int count
= Math.Min(100, Math.Max(6, (int)(2.0 * Math.PI * r / _feature_size)));
Vector2[] p = new Vector2[count];
double astep = 2.0 * Math.PI / count;
double a = astep;
p[0] = new Vector2(r, 0);
for (int i = 0; i < count; i++, a += astep)
{
p[i] = v.plus(new Vector2(r * Math.Cos(a), r * Math.Sin(a)));
}
draw_polygon(p, rgb, filled, true);
}
/**********************************************************************
* Misc shapes 2d drawing
*/
public virtual void draw_polygon(Vector2[] array, Rgb rgb, bool filled, bool closed)
{
int i;
if (array.Length < 3)
{
return;
}
for (i = 0; i + 1 < array.Length; i++)
{
draw_segment(new Vector2Pair(array[i], array[i + 1]), rgb);
}
if (closed)
{
draw_segment(new Vector2Pair(array[i], array[0]), rgb);
}
}
public override void draw_polygon(Vector2[] array,
Rgb rgb, bool filled, bool closed)
{
if (array.Length < 3)
{
return;
}
closed = closed || filled;
if (closed)
{
_out.Append("<polygon");
if (filled)
{
svg_add_fill(rgb);
}
else
{
_out.Append(" fill=\"none\"");
svg_add_stroke(rgb);
}
}
else
{
_out.Append("<polyline fill=\"none\"");
svg_add_stroke(rgb);
}
_out.Append(" points=\"");
for (int i = 0; i < array.Length; i++)
{
Vector2 v2d = trans_pos(array[i]);
_out.Append(format(v2d.x())).Append(",").Append(format(v2d.y())).Append(" ");
}
_out.Append("\" />").Append('\n');
}
public void draw_point(Vector3 p, Rgb rgb,
PointStyle s)
{
draw_point(project(p), rgb, s);
}
void svg_add_stroke(Rgb rgb)
{
_out.Append(" stroke=\"");
write_srgb(rgb);
_out.Append("\"");
}
void svg_add_fill(Rgb rgb)
{
_out.Append(" fill=\"");
write_srgb(rgb);
_out.Append("\"");
}
/** Draw a point in 2d */ public abstract void draw_point(Vector2 p, Rgb rgb, PointStyle s);
public virtual void draw_triangle(Triangle2 t, bool filled, Rgb rgb)
{
draw_polygon(t._v, rgb, filled, true);
}
public virtual void draw_segment(Vector3 a, Vector3 b, Rgb rgb)
{
draw_segment(new Vector3Pair(a, b), rgb);
}
public abstract void draw_segment(Vector3Pair s, Rgb rgb);
public abstract void draw_text(Vector2 pos, Vector2 dir,
string str, int alignMask, int size,
Rgb rgb);
public override void draw_segment(Vector3Pair l, Rgb rgb)
{
draw_segment(new Vector2Pair(project(l.point()), project(l.direction())), rgb);
}
public void draw_text(Vector3 pos, Vector3 dir,
string str, int a, int size,
Rgb rgb)
{
draw_text(project(pos), project(dir), str, a, size, rgb);
}
StringBuilder write_srgb(Rgb rgb)
{
_out.Append(string.Format("#{0:X2}{1:X2}{2:X2}", (int)(rgb.r * 255.0),
(int)(rgb.g * 255.0), (int)(rgb.b * 255.0)));
return(_out);
}