public void join_path(PathStorage vs, uint path_id)
{
double x, y;
vs.Rewind(path_id);
uint PathAndFlags = vs.Vertex(out x, out y);
if (!Path.IsStop(PathAndFlags))
{
if (Path.IsVertex(PathAndFlags))
{
double x0, y0;
uint PathAndFlags0 = last_vertex(out x0, out y0);
if (Path.IsVertex(PathAndFlags0))
{
if (PictorMath.CalculateDistance(x, y, x0, y0) > PictorMath.vertex_dist_epsilon)
{
if (Path.IsMoveTo(PathAndFlags))
{
PathAndFlags = (uint)Path.EPathCommands.LineTo;
}
m_vertices.add_vertex(x, y, PathAndFlags);
}
}
else
{
if (Path.IsStop(PathAndFlags0))
{
PathAndFlags = (uint)Path.EPathCommands.MoveTo;
}
else
{
if (Path.IsMoveTo(PathAndFlags))
{
PathAndFlags = (uint)Path.EPathCommands.LineTo;
}
}
m_vertices.add_vertex(x, y, PathAndFlags);
}
}
while (!Path.IsStop(PathAndFlags = vs.Vertex(out x, out y)))
{
m_vertices.add_vertex(x, y, Path.IsMoveTo(PathAndFlags) ?
(uint)Path.EPathCommands.LineTo :
PathAndFlags);
}
}
}
//-----------------------------------------------------------BoundingRect
//template<class VertexSource, class GetId, class CoordT>
public static bool GetBoundingRect(PathStorage vs, uint[] gi,
uint start, uint num,
out double x1, out double y1, out double x2, out double y2)
{
uint i;
double x = 0;
double y = 0;
bool first = true;
x1 = (double)(1);
y1 = (double)(1);
x2 = (double)(0);
y2 = (double)(0);
for (i = 0; i < num; i++)
{
vs.Rewind(gi[start + i]);
uint PathAndFlags;
while (!Path.IsStop(PathAndFlags = vs.Vertex(out x, out y)))
{
if (Path.IsVertex(PathAndFlags))
{
if (first)
{
x1 = (double)(x);
y1 = (double)(y);
x2 = (double)(x);
y2 = (double)(y);
first = false;
}
else
{
if ((double)(x) < x1) x1 = (double)(x);
if ((double)(y) < y1) y1 = (double)(y);
if ((double)(x) > x2) x2 = (double)(x);
if ((double)(y) > y2) y2 = (double)(y);
}
}
}
}
return x1 <= x2 && y1 <= y2;
}
public void Line(double x1, double y1, double x2, double y2, RGBA_Bytes color)
{
PathStorage m_LinesToDraw = new PathStorage();
m_LinesToDraw.RemoveAll();
m_LinesToDraw.move_to(x1, y1);
m_LinesToDraw.line_to(x2, y2);
StrokeConverter StrockedLineToDraw = new StrokeConverter(m_LinesToDraw);
Render(StrockedLineToDraw, color);
}
public SliderWidget(double x1, double y1, double x2, double y2)
: base(x1, y1, x2, y2)
{
m_border_width = 1.0;
m_border_extra = ((y2 - y1) / 2);
m_text_thickness = (1.0);
m_pdx = (0.0);
m_mouse_move = false;
m_value = (0.5);
m_preview_value = (0.5);
m_min = (0.0);
m_max = (1.0);
m_num_steps = (0);
m_descending = (false);
m_ellipse = new VertexSource.Ellipse();
m_storage = new PathStorage();
m_text = new GsvText();
m_text_poly = new StrokeConverter(m_text);
CalculateBox();
m_background_color = (new RGBA_Doubles(1.0, 0.9, 0.8));
m_triangle_color = (new RGBA_Doubles(0.7, 0.6, 0.6));
m_text_color = (new RGBA_Doubles(0.0, 0.0, 0.0));
m_pointer_preview_color = (new RGBA_Doubles(0.6, 0.4, 0.4, 0.4));
m_pointer_color = (new RGBA_Doubles(0.8, 0.0, 0.0, 0.6));
}
//--------------------------------------------------------------------
// Join path. The path is joined with the existing one, that is,
// it behaves as if the pen of a plotter was always down (drawing)
//template<class VertexSource>
public void join_path(PathStorage vs)
{
join_path(vs, 0);
}
public void join_path(PathStorage vs, uint path_id)
{
double x, y;
vs.Rewind(path_id);
uint PathAndFlags = vs.Vertex(out x, out y);
if (!Path.IsStop(PathAndFlags))
{
if (Path.IsVertex(PathAndFlags))
{
double x0, y0;
uint PathAndFlags0 = last_vertex(out x0, out y0);
if (Path.IsVertex(PathAndFlags0))
{
if (PictorMath.CalculateDistance(x, y, x0, y0) > PictorMath.vertex_dist_epsilon)
{
if (Path.IsMoveTo(PathAndFlags)) PathAndFlags = (uint)Path.EPathCommands.LineTo;
m_vertices.add_vertex(x, y, PathAndFlags);
}
}
else
{
if (Path.IsStop(PathAndFlags0))
{
PathAndFlags = (uint)Path.EPathCommands.MoveTo;
}
else
{
if (Path.IsMoveTo(PathAndFlags)) PathAndFlags = (uint)Path.EPathCommands.LineTo;
}
m_vertices.add_vertex(x, y, PathAndFlags);
}
}
while (!Path.IsStop(PathAndFlags = vs.Vertex(out x, out y)))
{
m_vertices.add_vertex(x, y, Path.IsMoveTo(PathAndFlags) ?
(uint)Path.EPathCommands.LineTo :
PathAndFlags);
}
}
}
//--------------------------------------------------------------------
// Join path. The path is joined with the existing one, that is,
// it behaves as if the pen of a plotter was always down (drawing)
//template<class VertexSource>
public void join_path(PathStorage vs)
{
join_path(vs, 0);
}
