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Viewing changes to enthought/savage/svg/backends/wx/renderer.py

  • Committer: Bazaar Package Importer
  • Author(s): Varun Hiremath
  • Date: 2010-02-28 14:56:36 UTC
  • mfrom: (1.1.3 upstream)
  • Revision ID: james.westby@ubuntu.com-20100228145636-9ghfhe3uy37tt3q6
Tags: 3.3.0-1
* New upstream release
* Bump Standards-Version to 3.8.4
* Switch to source format 3.0
* Update patches/freetype2.diff

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enthought/savage/svg/backends/wx/renderer.py
 
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import copy
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import numpy
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import warnings
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import wx
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from enthought.savage.svg.backends.null.null_renderer import NullRenderer
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def _fixup_path_methods(path):
 
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    def _new_add_rounded_rectangle(self, x, y, w, h, rx, ry):
 
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        r = numpy.sqrt(rx*rx + ry*ry)
 
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        self.AddRoundedRectangle(x, y, w, h, r)
 
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    path.__class__.AddRoundedRectangleEx = _new_add_rounded_rectangle
 
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class AbstractGradientBrush(object):
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    """ Abstract base class for gradient brushes so they can be detected easily.
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    """
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        """
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        x0, y0, w, h = bbox
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        gc.concat_ctm(((w, 0, 0), (0, h, 0), (x0, y0, 1)))
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class Renderer(NullRenderer):
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    NullBrush = wx.NullBrush
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        if len(stops) > 2:
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            warnings.warn("Wx only supports 2 gradient stops, but %d were specified" % len(stops))
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        def convert_stop(stop):
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            offset, red, green, blue, opacity = stop
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            color = wx.Colour(red*255, green*255, blue*255, opacity*255)
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            return offset, color
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        start_offset, start_color = convert_stop(stops[0])
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        end_offset, end_color = convert_stop(stops[1])
 
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        end_offset, end_color = convert_stop(stops[-1])
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        if fx is None:
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            fx = cx
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        if fy is None:
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            fy = cy
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        wx_renderer = wx.GraphicsRenderer.GetDefaultRenderer()
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        return wx_renderer.CreateRadialGradientBrush(cx, cy, fx, fy, r,
 
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        return wx_renderer.CreateRadialGradientBrush(fx, fy, cx, cy, r,
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                                                     start_color, end_color)
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    @staticmethod
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    @staticmethod
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    def makePath():
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        return wx.GraphicsRenderer_GetDefaultRenderer().CreatePath()
 
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        path = wx.GraphicsRenderer_GetDefaultRenderer().CreatePath()
 
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        _fixup_path_methods(path)
 
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        return path
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    @staticmethod
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    def popState(*args):
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        #rather than the top as with our API. This function
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        #will measure and then re-orient the text as needed.
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        w, h = context.GetTextExtent(text)
 
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        if anchor != 'start':
 
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            if anchor == 'middle':
 
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                x -= w/2.0
 
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            elif anchor == 'end':
 
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                x -= w
 
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        y -= h
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        context.DrawText(text, x, y)
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