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@header@
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<td valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a href="matplotlib.html"><font color="#ffffff">matplotlib</font></a>.backend_bases</strong></big></big></font></td
><td align=right valign=bottom
><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href="/matplotlib/backend_bases.py">/matplotlib/backend_bases.py</a></font></td></tr></table>
<p><tt>Abstract base classes definine the primitives that renderers and<br>
graphics contexts must implement to serve as a matplotlib backend</tt></p>
<p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#aa55cc">
<td colspan=3 valign=bottom> <br>
<font color="#fffff" face="helvetica, arial"><big><strong>Modules</strong></big></font></td></tr>
<tr><td bgcolor="#aa55cc"><tt> </tt></td><td> </td>
<td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=top><a href="sys.html">sys</a><br>
</td><td width="25%" valign=top></td><td width="25%" valign=top></td><td width="25%" valign=top></td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr>
<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td>
<td width="100%"><dl>
<dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#FigureBase">FigureBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#FigureManagerBase">FigureManagerBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#GraphicsContextBase">GraphicsContextBase</a>
</font></dt><dt><font face="helvetica, arial"><a href="matplotlib.backend_bases.html#RendererBase">RendererBase</a>
</font></dt></dl>
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<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="FigureBase">class <strong>FigureBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="FigureBase-__init__"><strong>__init__</strong></a>(self, figsize, dpi, facecolor<font color="#909090">=0.75</font>, edgecolor<font color="#909090">='k'</font>)</dt><dd><tt>paper size is a w,h tuple in inches<br>
DPI is dots per inch</tt></dd></dl>
<dl><dt><a name="FigureBase-add_axis"><strong>add_axis</strong></a>(self, a)</dt></dl>
<dl><dt><a name="FigureBase-clear"><strong>clear</strong></a>(self)</dt></dl>
<dl><dt><a name="FigureBase-draw"><strong>draw</strong></a>(self, renderer<font color="#909090">=None</font>, *args, **kwargs)</dt><dd><tt>Render the figure using Renderer instance renderer</tt></dd></dl>
<dl><dt><a name="FigureBase-get_axes"><strong>get_axes</strong></a>(self)</dt></dl>
<dl><dt><a name="FigureBase-realize"><strong>realize</strong></a>(self, *args)</dt><dd><tt>This method will be called when the system is ready to draw,<br>
eg when a GUI window is realized</tt></dd></dl>
<dl><dt><a name="FigureBase-text"><strong>text</strong></a>(self, x, y, s, *args, **kwargs)</dt><dd><tt>Add text to figure at location x,y (relative 0-1 coords) See<br>
the help for Axis text for the meaning of the other arguments</tt></dd></dl>
</td></tr></table> <p>
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<font color="#000000" face="helvetica, arial"><a name="FigureManagerBase">class <strong>FigureManagerBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="FigureManagerBase-__init__"><strong>__init__</strong></a>(self, figure, num)</dt></dl>
<dl><dt><a name="FigureManagerBase-add_axes"><strong>add_axes</strong></a>(self, rect, axisbg)</dt><dd><tt>Add an axes to the current figure</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-add_subplot"><strong>add_subplot</strong></a>(self, *args, **kwargs)</dt><dd><tt>Add a subplot to the current figure</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-destroy"><strong>destroy</strong></a>(self)</dt></dl>
<dl><dt><a name="FigureManagerBase-get_current_axis"><strong>get_current_axis</strong></a>(self)</dt><dd><tt>Return the current axes</tt></dd></dl>
<dl><dt><a name="FigureManagerBase-set_current_axes"><strong>set_current_axes</strong></a>(self, a)</dt><dd><tt>Set the current axes to be a</tt></dd></dl>
</td></tr></table> <p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
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<font color="#000000" face="helvetica, arial"><a name="GraphicsContextBase">class <strong>GraphicsContextBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="GraphicsContextBase-__init__"><strong>__init__</strong></a>(self)</dt></dl>
<dl><dt><a name="GraphicsContextBase-copy_properties"><strong>copy_properties</strong></a>(self, gc)</dt><dd><tt>Copy properties from gc to self</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_capstyle"><strong>get_capstyle</strong></a>(self)</dt><dd><tt>Return the capstyle as a string in ('butt', 'round', 'projecting')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_clip_rectangle"><strong>get_clip_rectangle</strong></a>(self)</dt><dd><tt>Return the clip rectangle as (left, bottom, width, height)</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_dashes"><strong>get_dashes</strong></a>(self)</dt><dd><tt>Return the dash information as an offset dashlist tuple The<br>
dash list is a even size list that gives the ink on, ink off<br>
in pixels. See p107 of to postscript BLUEBOOK for more info<br>
<br>
Default value is None</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_joinstyle"><strong>get_joinstyle</strong></a>(self)</dt><dd><tt>Return the line join style as one of ('miter', 'round', 'bevel')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_linestyle"><strong>get_linestyle</strong></a>(self, style)</dt><dd><tt>Return the linestyle: one of ('solid', 'dashed', 'dashdot',<br>
'dotted').</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_linewidth"><strong>get_linewidth</strong></a>(self)</dt><dd><tt>Return the line width in points as a scalar</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-get_rgb"><strong>get_rgb</strong></a>(self)</dt><dd><tt>returns a tuple of three floats from 0-1. color can be a<br>
matlab format string, a html hex color string, or a rgb tuple</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_capstyle"><strong>set_capstyle</strong></a>(self, cs)</dt><dd><tt>Set the capstyle as a string in ('butt', 'round', 'projecting')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_clip_rectangle"><strong>set_clip_rectangle</strong></a>(self, rectangle)</dt><dd><tt>Set the clip rectangle with sequence (left, bottom, width, height)</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_dashes"><strong>set_dashes</strong></a>(self, dash_offset, dash_list)</dt><dd><tt>Set the dash style for the gc. dash offset is the offset<br>
(usually 0). Dash list specifies the on-off sequence as<br>
points</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_foreground"><strong>set_foreground</strong></a>(self, fg, isRGB<font color="#909090">=None</font>)</dt><dd><tt>Set the foreground color. fg can be a matlab format string, a<br>
html hex color string, an rgb unit tuple, or a float between 0<br>
and 1. In the latter case, grayscale is used.<br>
<br>
The GraphicsContext converts colors to rgb internally. If you<br>
know the color is rgb already, you can set isRGB to True to<br>
avoid the performace hit of the conversion</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_graylevel"><strong>set_graylevel</strong></a>(self, frac)</dt><dd><tt>Set the foreground color to be a gray level with frac frac</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_joinstyle"><strong>set_joinstyle</strong></a>(self, js)</dt><dd><tt>Set the join style to be one of ('miter', 'round', 'bevel')</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_linestyle"><strong>set_linestyle</strong></a>(self, style)</dt><dd><tt>Set the linestyle to be one of ('solid', 'dashed', 'dashdot',<br>
'dotted').</tt></dd></dl>
<dl><dt><a name="GraphicsContextBase-set_linewidth"><strong>set_linewidth</strong></a>(self, w)</dt><dd><tt>Set the linewidth in points</tt></dd></dl>
</td></tr></table> <p>
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<td colspan=3 valign=bottom> <br>
<font color="#000000" face="helvetica, arial"><a name="RendererBase">class <strong>RendererBase</strong></a></font></td></tr>
<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td>
<td width="100%">Methods defined here:<br>
<dl><dt><a name="RendererBase-draw_arc"><strong>draw_arc</strong></a>(self, gcEdge, faceColor, x, y, width, height, angle1, angle2)</dt><dd><tt>Draw an arc centered at x,y with width and height and angles<br>
from 0.0 to 360.0<br>
<br>
If faceColor is not None, fill the rectangle with it. gcEdge<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_line"><strong>draw_line</strong></a>(self, gc, x1, y1, x2, y2)</dt><dd><tt>Draw a single line from x1,y1 to x2,y2</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_lines"><strong>draw_lines</strong></a>(self, gc, x, y)</dt><dd><tt>x and y are equal length arrays, draw lines connecting each<br>
point in x, y</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_point"><strong>draw_point</strong></a>(self, gc, x, y)</dt><dd><tt>Draw a single point at x,y</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_polygon"><strong>draw_polygon</strong></a>(self, gcEdge, faceColor, points)</dt><dd><tt>Draw a polygon. points is a len vertices tuple, each element<br>
giving the x,y coords a vertex<br>
<br>
If faceColor is not None, fill the rectangle with it. gcEdge<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_rectangle"><strong>draw_rectangle</strong></a>(self, gcEdge, faceColor, x, y, width, height)</dt><dd><tt>Draw a rectangle with lower left at x,y with width and height.<br>
<br>
If faceColor is not None, fill the rectangle with it. gcEdge<br>
is a GraphicsContext instance</tt></dd></dl>
<dl><dt><a name="RendererBase-draw_text"><strong>draw_text</strong></a>(self, text)</dt><dd><tt>Draw a text instance</tt></dd></dl>
<dl><dt><a name="RendererBase-get_text_extent"><strong>get_text_extent</strong></a>(self, text)</dt><dd><tt>Get the text extent in window coords</tt></dd></dl>
<dl><dt><a name="RendererBase-new_gc"><strong>new_gc</strong></a>(self)</dt><dd><tt>Return an instance of a <a href="#GraphicsContextBase">GraphicsContextBase</a></tt></dd></dl>
</td></tr></table></td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#eeaa77">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Functions</strong></big></font></td></tr>
<tr><td bgcolor="#eeaa77"><tt> </tt></td><td> </td>
<td width="100%"><dl><dt><a name="-arg_to_rgb"><strong>arg_to_rgb</strong></a>(arg)</dt><dd><tt>returns a tuple of three floats from 0-1. arg can be a<br>
matlab format string, a html hex color string, an rgb tuple,<br>
or a float between 0 and 1. In the latter case, grayscale is<br>
used</tt></dd></dl>
<dl><dt><a name="-array"><strong>array</strong></a>(...)</dt><dd><tt><a href="#-array">array</a>(sequence, typecode=None, copy=1, savespace=0) will return a new array formed from the given (potentially nested) sequence with type given by typecode. If no typecode is given, then the type will be determined as the minimum type required to hold the objects in sequence. If copy is zero and sequence is already an array, a reference will be returned. If savespace is nonzero, the new array will maintain its precision in operations.</tt></dd></dl>
<dl><dt><a name="-error_msg"><strong>error_msg</strong></a>(msg, *args, **kwargs)</dt><dd><tt>Alert an error condition with message</tt></dd></dl>
<dl><dt><a name="-hex2color"><strong>hex2color</strong></a>(s)</dt><dd><tt>Convert hex string (like html uses, eg, #efefef) to a r,g,b tuple</tt></dd></dl>
</td></tr></table><p>
<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section">
<tr bgcolor="#55aa55">
<td colspan=3 valign=bottom> <br>
<font color="#ffffff" face="helvetica, arial"><big><strong>Data</strong></big></font></td></tr>
<tr><td bgcolor="#55aa55"><tt> </tt></td><td> </td>
<td width="100%"><strong>False</strong> = False<br>
<strong>True</strong> = True<br>
<strong>colors</strong> = {'b': (0.0, 0.0, 1.0), 'c': (0.0, 0.75, 0.75), 'g': (0.0, 0.5, 0.0), 'k': (0.0, 0.0, 0.0), 'm': (0.75, 0, 0.75), 'r': (1.0, 0.0, 0.0), 'w': (1.0, 1.0, 1.0), 'y': (0.75, 0.75, 0)}<br>
<strong>division</strong> = _Feature((2, 2, 0, 'alpha', 2), (3, 0, 0, 'alpha', 0), 8192)</td></tr></table>
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