diff options
Diffstat (limited to 'gerber/render')
| -rw-r--r-- | gerber/render/render.py | 130 |
1 files changed, 63 insertions, 67 deletions
diff --git a/gerber/render/render.py b/gerber/render/render.py index f5c58d8..2e4abfa 100644 --- a/gerber/render/render.py +++ b/gerber/render/render.py @@ -41,7 +41,7 @@ class GerberContext(object): Attributes ---------- units : string - Measurement units + Measurement units. 'inch' or 'metric' color : tuple (<float>, <float>, <float>) Color used for rendering as a tuple of normalized (red, green, blue) values. @@ -57,74 +57,70 @@ class GerberContext(object): Rendering opacity. Between 0.0 (transparent) and 1.0 (opaque.) """ def __init__(self, units='inch'): - self.units = units - 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_units(self, units): - """ Set context measurement units - - Parameters - ---------- - unit : string - Measurement units. may be 'inch' or 'metric' - - Raises - ------ - ValueError - If `unit` is not 'inch' or 'metric' - """ + self._units = units + 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 + + @property + def units(self): + return self._units + + @units.setter + def units(self, units): if units not in ('inch', 'metric'): raise ValueError('Units may be "inch" or "metric"') - self.units = units - - def set_color(self, color): - """ Set rendering color. - - Parameters - ---------- - color : tuple (<float>, <float>, <float>) - Color as a tuple of (red, green, blue) values. Each channel is - represented as a float value in (0, 1) - """ - self.color = color - - def set_drill_color(self, color): - """ Set color used for rendering drill hits. - - Parameters - ---------- - color : tuple (<float>, <float>, <float>) - Color as a tuple of (red, green, blue) values. Each channel is - represented as a float value in (0, 1) - """ - self.drill_color = color - - def set_background_color(self, color): - """ Set rendering background color - - Parameters - ---------- - color : tuple (<float>, <float>, <float>) - Color as a tuple of (red, green, blue) values. Each channel is - represented as a float value in (0, 1) - """ - 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 + self._units = units + + @property + def color(self): + return self._color + + @color.setter + def color(self, color): + if len(color) != 3: + raise TypeError('Color must be a tuple of R, G, and B values') + for c in color: + if c < 0 or c > 1: + raise ValueError('Channel values must be between 0.0 and 1.0') + self._color = color + + @property + def drill_color(self): + return self._drill_color + + @drill_color.setter + def drill_color(self, color): + if len(color) != 3: + raise TypeError('Drill color must be a tuple of R, G, and B values') + for c in color: + if c < 0 or c > 1: + raise ValueError('Channel values must be between 0.0 and 1.0') + self._drill_color = color + + @property + def background_color(self): + return self._background_color + + @background_color.setter + def background_color(self, color): + if len(color) != 3: + raise TypeError('Background color must be a tuple of R, G, and B values') + for c in color: + if c < 0 or c > 1: + raise ValueError('Channel values must be between 0.0 and 1.0') + self._background_color = color + + @property + def alpha(self): + return self._alpha + + @alpha.setter + def alpha(self, alpha): + if alpha < 0 or alpha > 1: + raise ValueError('Alpha must be between 0.0 and 1.0') + self._alpha = alpha def render(self, primitive): color = (self.color if primitive.level_polarity == 'dark' |