From 695e3d9220be8773f6630bb5c512d122b8576742 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sun, 28 Sep 2014 18:07:15 -0400 Subject: Added excellon support and refactored project --- gerber/render/apertures.py | 58 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 gerber/render/apertures.py (limited to 'gerber/render/apertures.py') diff --git a/gerber/render/apertures.py b/gerber/render/apertures.py new file mode 100644 index 0000000..55e6a30 --- /dev/null +++ b/gerber/render/apertures.py @@ -0,0 +1,58 @@ +#! /usr/bin/env python +# -*- coding: utf-8 -*- + +# Copyright 2014 Hamilton Kibbe + +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at + +# http://www.apache.org/licenses/LICENSE-2.0 + +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +""" +gerber.render.apertures +============ +**Gerber Aperture base classes** + +This module provides base classes for gerber apertures. These are used by +the rendering engine to draw the gerber file. +""" + + +class Aperture(object): + """ Gerber Aperture base class + """ + def draw(self, ctx, x, y): + raise NotImplementedError('The draw method must be implemented in an Aperture subclass.') + + def flash(self, ctx, x, y): + raise NotImplementedError('The flash method must be implemented in an Aperture subclass.') + + +class Circle(Aperture): + """ Circular Aperture base class + """ + def __init__(self, diameter=0.0): + self.diameter = diameter + +class Rect(Aperture): + """ Rectangular Aperture base class + """ + def __init__(self, size=(0, 0)): + self.size = size + +class Obround(Aperture): + """ Obround Aperture base class + """ + def __init__(self, size=(0, 0)): + self.size = size + +class Polygon(Aperture): + """ Polygon Aperture base class + """ + pass \ No newline at end of file -- cgit From 3a5dbcf1e13704b7352d5fb3c4777d7df3fed081 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Sun, 28 Sep 2014 21:17:13 -0400 Subject: added ExcellonFile class --- gerber/render/apertures.py | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'gerber/render/apertures.py') diff --git a/gerber/render/apertures.py b/gerber/render/apertures.py index 55e6a30..f163b1f 100644 --- a/gerber/render/apertures.py +++ b/gerber/render/apertures.py @@ -29,7 +29,7 @@ class Aperture(object): """ def draw(self, ctx, x, y): raise NotImplementedError('The draw method must be implemented in an Aperture subclass.') - + def flash(self, ctx, x, y): raise NotImplementedError('The flash method must be implemented in an Aperture subclass.') @@ -40,19 +40,22 @@ class Circle(Aperture): def __init__(self, diameter=0.0): self.diameter = diameter + class Rect(Aperture): """ Rectangular Aperture base class """ def __init__(self, size=(0, 0)): self.size = size + class Obround(Aperture): """ Obround Aperture base class """ def __init__(self, size=(0, 0)): self.size = size - + + class Polygon(Aperture): """ Polygon Aperture base class """ - pass \ No newline at end of file + pass -- cgit From bcb6cbc50dea975954b8a3864690f68ab5e984b7 Mon Sep 17 00:00:00 2001 From: Hamilton Kibbe Date: Wed, 8 Oct 2014 22:49:49 -0400 Subject: start arc --- gerber/render/apertures.py | 21 ++++++++++++++++++--- 1 file changed, 18 insertions(+), 3 deletions(-) (limited to 'gerber/render/apertures.py') diff --git a/gerber/render/apertures.py b/gerber/render/apertures.py index f163b1f..52ae50c 100644 --- a/gerber/render/apertures.py +++ b/gerber/render/apertures.py @@ -22,16 +22,31 @@ gerber.render.apertures This module provides base classes for gerber apertures. These are used by the rendering engine to draw the gerber file. """ - +import math class Aperture(object): """ Gerber Aperture base class """ def draw(self, ctx, x, y): - raise NotImplementedError('The draw method must be implemented in an Aperture subclass.') + raise NotImplementedError('The draw method must be implemented \ + in an Aperture subclass.') def flash(self, ctx, x, y): - raise NotImplementedError('The flash method must be implemented in an Aperture subclass.') + raise NotImplementedError('The flash method must be implemented \ + in an Aperture subclass.') + + def _arc_params(self, startx, starty, x, y, i, j): + center = (startx + i, starty + j) + radius = math.sqrt(math.pow(center[0] - x, 2) + + math.pow(center[1] - y, 2)) + delta_x0 = startx - center[0] + delta_y0 = center[1] - starty + delta_x1 = x - center[0] + delta_y1 = center[1] - y + start_angle = math.atan2(delta_y0, delta_x0) + end_angle = math.atan2(delta_y1, delta_x1) + return {'center': center, 'radius': radius, + 'start_angle': start_angle, 'end_angle': end_angle} class Circle(Aperture): -- cgit