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added API_CHANGES
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‎API_CHANGES

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API changes at 0.42
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* Refactoring AxisText to be backend independent. Text drawing and
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get_window_extent functionality will be moved to the Renderer.
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* backend_bases.AxisTextBase is now text.Text module
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* All the erase and reset functionality removed frmo AxisText - not
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needed with double buffered drawing. Ditto with state change.
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Text instances have a get_prop_tup method that returns a hashable
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tuple of text properties which you can use to see if text props
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have changed, eg by caching a font or layout instance in a dict
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with the prop tup as a key -- see RendererGTK.get_pango_layout in
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backend_gtk for an example.
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* Text._get_xy_display renamed Text.get_xy_display
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* Artist set_renderer and wash_brushes methods removed
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API changes at 0.40
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- Artist
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* __init__ takes a DPI instance and a Bound2D instance which is
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the bounding box of the artist in display coords
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* get_window_extent returns a Bound2D instance
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* set_size is removed; replaced by bbox and dpi
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* the clip_gc method is removed. Artists now clip themselves with
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their box
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* added _clipOn boolean attribute. If True, gc clip to bbox.
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- AxisTextBase
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* Initialized with a transx, transy which are Transform instances
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* set_drawing_area removed
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* get_left_right and get_top_bottom are replaced by get_window_extent
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- Line2D Patches now take transx, transy
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* Initialized with a transx, transy which are Transform instances
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- Patches
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* Initialized with a transx, transy which are Transform instances
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- FigureBase attributes dpi is a DPI intance rather than scalar and
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new attribute bbox is a Bound2D in display coords, and I got rid of
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the left, width, height, etc... attributes. These are now
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accessible as, for example, bbox.x.min is left, bbox.x.interval() is
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width, bbox.y.max is top, etc...
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- GcfBase attribute pagesize renamed to figsize
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- Axes
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* removed figbg attribute
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* added fig instance to __init__
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* resizing is handled by figure call to resize.
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- Subplot
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* added fig instance to __init__
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- Renderer methods for patches now take gcEdge and gcFace instances.
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gcFace=None takes the place of filled=False
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- True and False symbols provided by cbook in a python2.3 compatible
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way
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- new module transforms supplies Bound1D, Bound2D and Transform
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instances and more
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- Changes to the matlab helpers API
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* _matlab_helpers.GcfBase is renamed by Gcf. Backends no longer
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need to derive from this class. Instead, they provide a factory
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function new_figure_manager(num, figsize, dpi). The destroy
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method of the GcfDerived from the backends is moved to the derived
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FigureManager.
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* FigureManagerBase moved to backend_bases
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* Gcf.get_all_figwins renamed to Gcf.get_all_fig_managers
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Jeremy:
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Make sure to self._reset = False in AxisTextWX._set_font. This was
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something missing in my backend code.

‎KNOWN_BUGS

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KNOWN BUGS
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- DONE - Circle needs to provide window extent -- see scatter demo
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- DONE - axes patch edge on gtk backend not complete
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- DONE - autoscale on y not satisfactory -- see histogram demo
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- with multiple subplots there is a small gap between the bottom of
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the xtick1 line and the axes patch edge. see subplot_demo
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- DONE 2003-11-14 - lowest line position is off in legend_demo
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- the markers for circ and square in the gtk backend do not have the
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same center. See the stock_demo for example.
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- DONE 2003-11-16 - GD port of new API not done
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- DONE 2003-11-16 - xticklabels in PS backend need clip
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- x and y ticklabels overlap at origin
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- parse error on lines like plot(bins, mu, bins, mu+sigma, '--')

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