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import wx
from enable.savage.svg.backends.kiva import renderer
from enable.savage.svg.document import SVGDocument
from enable.api import Container, Window
from traits.api import Instance, Float
class KivaContainer(Container):
document = Instance(SVGDocument)
zoom = Float(100.0)
def draw(self, gc, view_bounds=None, mode="default"):
gc.clear()
if not self.document:
gc.show_text_at_point("No Document", 20, 20)
return
with gc:
# SVG origin is upper right with y positive is down. argh.
# Set up the transforms to fix this up.
gc.translate_ctm(0, gc.height())
# zoom percentage
scale = float(self.zoom) / 100.0
gc.scale_ctm(scale, -scale)
self.document.render(gc)
class RenderPanel(wx.Window):
def __init__(self, parent, document=None):
super(RenderPanel, self).__init__(parent)
self.document = document
if self.document is not None:
self.document.renderer = renderer
self.container = KivaContainer(document=self.document)
size = wx.Size(200,200)
if document is not None:
size = document.getSize()
self._window = Window( parent=self, size=size, component=self.container )
self.control = self._window.control
self._parent = parent
self.SetBackgroundColour([int(255*c) for c in self.container.bgcolor_])
def GetBestSize(self):
if not self.document:
return (-1,-1)
return self.document.getSize()
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