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diff --git a/gerbonara/gerber/render/theme.py b/gerbonara/gerber/render/theme.py
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+#! /usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2013-2014 Paulo Henrique Silva <ph.silva@gmail.com>
+
+# 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.
+
+
+from .render import RenderSettings
+
+COLORS = {
+ 'black': (0.0, 0.0, 0.0),
+ 'white': (1.0, 1.0, 1.0),
+ 'red': (1.0, 0.0, 0.0),
+ 'green': (0.0, 1.0, 0.0),
+ 'yellow': (1.0, 1.0, 0),
+ 'blue': (0.0, 0.0, 1.0),
+ 'fr-4': (0.290, 0.345, 0.0),
+ 'green soldermask': (0.0, 0.412, 0.278),
+ 'blue soldermask': (0.059, 0.478, 0.651),
+ 'red soldermask': (0.968, 0.169, 0.165),
+ 'black soldermask': (0.298, 0.275, 0.282),
+ 'purple soldermask': (0.2, 0.0, 0.334),
+ 'enig copper': (0.694, 0.533, 0.514),
+ 'hasl copper': (0.871, 0.851, 0.839)
+}
+
+
+SPECTRUM = [
+ (0.804, 0.216, 0),
+ (0.78, 0.776, 0.251),
+ (0.545, 0.451, 0.333),
+ (0.545, 0.137, 0.137),
+ (0.329, 0.545, 0.329),
+ (0.133, 0.545, 0.133),
+ (0, 0.525, 0.545),
+ (0.227, 0.373, 0.804),
+]
+
+
+class Theme(object):
+
+ def __init__(self, name=None, **kwargs):
+ self.name = 'Default' if name is None else name
+ self.background = kwargs.get('background', RenderSettings(COLORS['fr-4']))
+ self.topsilk = kwargs.get('topsilk', RenderSettings(COLORS['white']))
+ self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white'], mirror=True))
+ self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True))
+ self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True, mirror=True))
+ self.top = kwargs.get('top', RenderSettings(COLORS['hasl copper']))
+ self.bottom = kwargs.get('bottom', RenderSettings(COLORS['hasl copper'], mirror=True))
+ self.drill = kwargs.get('drill', RenderSettings(COLORS['black']))
+ self.ipc_netlist = kwargs.get('ipc_netlist', RenderSettings(COLORS['red']))
+ self._internal = kwargs.get('internal', [RenderSettings(x) for x in SPECTRUM])
+ self._internal_gen = None
+
+ def __getitem__(self, key):
+ return getattr(self, key)
+
+ @property
+ def internal(self):
+ if not self._internal_gen:
+ self._internal_gen = self._internal_gen_func()
+ return next(self._internal_gen)
+
+ def _internal_gen_func(self):
+ for setting in self._internal:
+ yield setting
+
+ def get(self, key, noneval=None):
+ val = getattr(self, key, None)
+ return val if val is not None else noneval
+
+
+THEMES = {
+ 'default': Theme(),
+ 'OSH Park': Theme(name='OSH Park',
+ background=RenderSettings(COLORS['purple soldermask']),
+ top=RenderSettings(COLORS['enig copper']),
+ bottom=RenderSettings(COLORS['enig copper'], mirror=True),
+ topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True),
+ bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True, mirror=True),
+ topsilk=RenderSettings(COLORS['white'], alpha=0.8),
+ bottomsilk=RenderSettings(COLORS['white'], alpha=0.8, mirror=True)),
+
+ 'Blue': Theme(name='Blue',
+ topmask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True),
+ bottommask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True)),
+
+ 'Transparent Copper': Theme(name='Transparent',
+ background=RenderSettings((0.9, 0.9, 0.9)),
+ top=RenderSettings(COLORS['red'], alpha=0.5),
+ bottom=RenderSettings(COLORS['blue'], alpha=0.5),
+ drill=RenderSettings((0.3, 0.3, 0.3))),
+
+ 'Transparent Multilayer': Theme(name='Transparent Multilayer',
+ background=RenderSettings((0, 0, 0)),
+ top=RenderSettings(SPECTRUM[0], alpha=0.8),
+ bottom=RenderSettings(SPECTRUM[-1], alpha=0.8),
+ drill=RenderSettings((0.3, 0.3, 0.3)),
+ internal=[RenderSettings(x, alpha=0.5) for x in SPECTRUM[1:-1]]),
+}