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Render with cairo instead of cairocffi - I would like to make it use either, but for now, using the one that works with wxpython

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Garret Fick 2015-11-23 16:17:31 +08:00
parent ec1bc61a21
commit d5f382f4b4
1 changed files with 8 additions and 7 deletions
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15
gerber/render/cairo_backend.py
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@ -17,7 +17,7 @@
from .render import GerberContext
import cairocffi as cairo
import cairo
from operator import mul
import math
@ -52,7 +52,7 @@ class GerberCairoContext(GerberContext):
end = map(mul, line.end, self.scale)
if isinstance(line.aperture, Circle):
width = line.aperture.diameter
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (line.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(width * self.scale[0])
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
@ -61,7 +61,7 @@ class GerberCairoContext(GerberContext):
self.ctx.stroke()
elif isinstance(line.aperture, Rectangle):
points = [tuple(map(mul, x, self.scale)) for x in line.vertices]
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (line.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
self.ctx.move_to(*points[0])
@ -77,7 +77,7 @@ class GerberCairoContext(GerberContext):
angle1 = arc.start_angle
angle2 = arc.end_angle
width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (arc.level_polarity == "dark" and not self.invert)else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(width * self.scale[0])
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
@ -89,7 +89,8 @@ class GerberCairoContext(GerberContext):
self.ctx.move_to(*end) # ...lame
def _render_region(self, region, color):
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
#self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (region.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
@ -112,7 +113,7 @@ class GerberCairoContext(GerberContext):
def _render_circle(self, circle, color):
center = tuple(map(mul, circle.position, self.scale))
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (circle.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
self.ctx.arc(*center, radius=circle.radius * self.scale[0], angle1=0, angle2=2 * math.pi)
@ -121,7 +122,7 @@ class GerberCairoContext(GerberContext):
def _render_rectangle(self, rectangle, color):
ll = map(mul, rectangle.lower_left, self.scale)
width, height = tuple(map(mul, (rectangle.width, rectangle.height), map(abs, self.scale)))
self.ctx.set_source_rgba(*color, alpha=self.alpha)
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
self.ctx.set_operator(cairo.OPERATOR_OVER if (rectangle.level_polarity == "dark" and not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
self.ctx.rectangle(*ll,width=width, height=height)