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|
.. _hoc_glyph:
Glyph
-----
.. hoc:class:: Glyph
Syntax:
``g = new Glyph()``
Description:
Specification of a drawing. The drawing can be rendered on a Graph
as many times as desired using
.. code-block::
none
graph.glyph(g, x, y, scalex, scaley, angle)
The drawing style uses commands reminiscent of postscript.
.. seealso::
:hoc:class:`Graph`, :hoc:meth:`Graph.glyph`
----
.. hoc:method:: Glyph.new_path
Syntax:
``g = g.path()``
Description:
Begin a new path.
----
.. hoc:method:: Glyph.move_to
Syntax:
``g = g.m(x, y)``
Description:
Set the current point to the coordinates.
----
.. hoc:method:: Glyph.line_to
Syntax:
``g = g.l(x, y)``
Description:
A line from the current point to the coordinates.
----
.. hoc:method:: Glyph.curve_to
Syntax:
``g = g.curve(x,y, x1,y1, x2,y2)``
Description:
Draw a curve from the current point to x,y
----
.. hoc:method:: Glyph.close_path
Syntax:
``g = g.close()``
Description:
A line from the current point to the first point of the path.
----
.. hoc:method:: Glyph.circle
Syntax:
``g = g.circle(x, y, r)``
Description:
A circle at location x, y and radius r. This is implemented using
the glyph methods new_path, move_to, curve_to, and close_path.
Can stroke and/or fill.
Example:
Rotated ellipse
.. code-block::
none
objref gr, gl
gr = new Graph()
gl = new Glyph()
gl.circle(0,0,1)
gl.fill(3)
gl.s(2, 3)
gr.glyph(gl, 150, 100, 30, 60, PI/4*DEG)
----
.. hoc:method:: Glyph.stroke
Syntax:
``g = g.s()``
``g = g.s(colorindex)``
``g = g.s(colorindex, brushindex)``
Description:
Render the current path as a line.
----
.. hoc:method:: Glyph.fill
Syntax:
``g = g.fill()``
``g = g.fill(colorindex)``
Description:
For a closed path, fill the interior with the indicated color.
----
.. hoc:method:: Glyph.control_point
Syntax:
``g = g.cpt(x,y)``
Description:
Draw a small open rectangle at the coordinates. Intended to indicate
special locations on the glyph which can be selected. Not very useful
at this time.
----
.. hoc:method:: Glyph.erase
Syntax:
``g = g.erase()``
Description:
The drawing is empty
----
.. hoc:method:: Glyph.label
Syntax:
``g = g.label("string", x, y, fixtype, colorindex)``
Description:
Not implemented
----
.. hoc:method:: Glyph.glyph
Syntax:
``g = g.glyph(glyphobject, x, y, scale, angle)``
Description:
Not implemented
----
.. hoc:method:: Glyph.gif
Syntax:
``g = g.gif("filename")``
Description:
Reads the gif image in the file. All :hoc:class:`Glyph` arguments still work
when the glyph contains a gif image. The gif image is drawn first so
other drawing specs will appear on top of it.
.. seealso::
:hoc:meth:`Graph.gif`, :hoc:meth:`Graph.glyph`
|
