From 8c5c7ec8bbc8a074884ef04b566f9c0ecd6e78bb Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sun, 12 Oct 2014 12:38:40 -0400 Subject: update docs and example images --- gerber/render/render.py | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) (limited to 'gerber/render/render.py') diff --git a/gerber/render/render.py b/gerber/render/render.py index 48a53f8..f7e4485 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -83,6 +83,9 @@ class GerberContext(object): background_color : tuple (, , ) Color of the background. Used when exposing areas in 'clear' level polarity mode. Format is the same as for `color`. + + alpha : float + Rendering opacity. Between 0.0 (transparent) and 1.0 (opaque.) """ def __init__(self): self.settings = {} @@ -100,7 +103,8 @@ class GerberContext(object): self.color = (0.7215, 0.451, 0.200) self.drill_color = (0.25, 0.25, 0.25) self.background_color = (0.0, 0.0, 0.0) - + self.alpha = 1.0 + def set_format(self, settings): """ Set source file format. @@ -260,6 +264,19 @@ class GerberContext(object): """ self.background_color = color + def set_alpha(self, alpha): + """ Set layer rendering opacity + + .. note:: + Not all backends/rendering devices support this parameter. + + Parameters + ---------- + alpha : float + Rendering opacity. must be between 0.0 (transparent) and 1.0 (opaque) + """ + self.alpha = alpha + def resolve(self, x, y): """ Resolve missing x or y coordinates in a coordinate command. -- cgit