diff options
Diffstat (limited to 'gerber/render/render.py')
| -rw-r--r-- | gerber/render/render.py | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/gerber/render/render.py b/gerber/render/render.py index 41b632c..128496f 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -136,6 +136,9 @@ class GerberContext(object): return color = (self.color if primitive.level_polarity == 'dark' else self.background_color) + + self._pre_render_primitive(primitive) + if isinstance(primitive, Line): self._render_line(primitive, color) elif isinstance(primitive, Arc): @@ -160,8 +163,22 @@ class GerberContext(object): self._render_region(primitive, color) elif isinstance(primitive, TestRecord): self._render_test_record(primitive, color) - else: - return + + self._post_render_primitive(primitive) + + def _pre_render_primitive(self, primitive): + """ + Called before rendering a primitive. Use the callback to perform some action before rendering + a primitive, for example adding a comment. + """ + return + + def _post_render_primitive(self, primitive): + """ + Called after rendering a primitive. Use the callback to perform some action after rendering + a primitive + """ + return def _render_line(self, primitive, color): pass |