diff options
Diffstat (limited to 'gerber/layers.py')
| -rw-r--r-- | gerber/layers.py | 246 |
1 files changed, 209 insertions, 37 deletions
diff --git a/gerber/layers.py b/gerber/layers.py index b10cf16..2b73893 100644 --- a/gerber/layers.py +++ b/gerber/layers.py @@ -15,40 +15,212 @@ # See the License for the specific language governing permissions and
# limitations under the License.
-top_copper_ext = ['gtl', 'cmp', 'top', ]
-top_copper_name = ['art01', 'top', 'GTL', 'layer1', 'soldcom', 'comp', ]
-
-bottom_copper_ext = ['gbl', 'sld', 'bot', 'sol', ]
-bottom_coppper_name = ['art02', 'bottom', 'bot', 'GBL', 'layer2', 'soldsold', ]
-
-internal_layer_ext = ['in', 'gt1', 'gt2', 'gt3', 'gt4', 'gt5', 'gt6', 'g1',
- 'g2', 'g3', 'g4', 'g5', 'g6', ]
-internal_layer_name = ['art', 'internal']
-
-power_plane_name = ['pgp', 'pwr', ]
-ground_plane_name = ['gp1', 'gp2', 'gp3', 'gp4', 'gt5', 'gp6', 'gnd',
- 'ground', ]
-
-top_silk_ext = ['gto', 'sst', 'plc', 'ts', 'skt', ]
-top_silk_name = ['sst01', 'topsilk', 'silk', 'slk', 'sst', ]
-
-bottom_silk_ext = ['gbo', 'ssb', 'pls', 'bs', 'skb', ]
-bottom_silk_name = ['sst', 'bsilk', 'ssb', 'botsilk', ]
-
-top_mask_ext = ['gts', 'stc', 'tmk', 'smt', 'tr', ]
-top_mask_name = ['sm01', 'cmask', 'tmask', 'mask1', 'maskcom', 'topmask',
- 'mst', ]
-
-bottom_mask_ext = ['gbs', 'sts', 'bmk', 'smb', 'br', ]
-bottom_mask_name = ['sm', 'bmask', 'mask2', 'masksold', 'botmask', 'msb', ]
-
-top_paste_ext = ['gtp', 'tm']
-top_paste_name = ['sp01', 'toppaste', 'pst']
-
-bottom_paste_ext = ['gbp', 'bm']
-bottom_paste_name = ['sp02', 'botpaste', 'psb']
-
-board_outline_ext = ['gko']
-board_outline_name = ['BDR', 'border', 'out', ]
-
-
+import os
+import re
+from collections import namedtuple
+
+from .excellon import ExcellonFile
+from .ipc356 import IPC_D_356
+
+
+Hint = namedtuple('Hint', 'layer ext name')
+
+hints = [
+ Hint(layer='top',
+ ext=['gtl', 'cmp', 'top', ],
+ name=['art01', 'top', 'GTL', 'layer1', 'soldcom', 'comp', ]
+ ),
+ Hint(layer='bottom',
+ ext=['gbl', 'sld', 'bot', 'sol', 'bottom', ],
+ name=['art02', 'bottom', 'bot', 'GBL', 'layer2', 'soldsold', ]
+ ),
+ Hint(layer='internal',
+ ext=['in', 'gt1', 'gt2', 'gt3', 'gt4', 'gt5', 'gt6', 'g1',
+ 'g2', 'g3', 'g4', 'g5', 'g6', ],
+ name=['art', 'internal', 'pgp', 'pwr', 'gp1', 'gp2', 'gp3', 'gp4',
+ 'gt5', 'gp6', 'gnd', 'ground', ]
+ ),
+ Hint(layer='topsilk',
+ ext=['gto', 'sst', 'plc', 'ts', 'skt', 'topsilk', ],
+ name=['sst01', 'topsilk', 'silk', 'slk', 'sst', ]
+ ),
+ Hint(layer='bottomsilk',
+ ext=['gbo', 'ssb', 'pls', 'bs', 'skb', 'bottomsilk', ],
+ name=['bsilk', 'ssb', 'botsilk', ]
+ ),
+ Hint(layer='topmask',
+ ext=['gts', 'stc', 'tmk', 'smt', 'tr', 'topmask', ],
+ name=['sm01', 'cmask', 'tmask', 'mask1', 'maskcom', 'topmask',
+ 'mst', ]
+ ),
+ Hint(layer='bottommask',
+ ext=['gbs', 'sts', 'bmk', 'smb', 'br', 'bottommask', ],
+ name=['sm', 'bmask', 'mask2', 'masksold', 'botmask', 'msb', ]
+ ),
+ Hint(layer='toppaste',
+ ext=['gtp', 'tm', 'toppaste', ],
+ name=['sp01', 'toppaste', 'pst']
+ ),
+ Hint(layer='bottompaste',
+ ext=['gbp', 'bm', 'bottompaste', ],
+ name=['sp02', 'botpaste', 'psb']
+ ),
+ Hint(layer='outline',
+ ext=['gko', 'outline', ],
+ name=['BDR', 'border', 'out', ]
+ ),
+ Hint(layer='ipc_netlist',
+ ext=['ipc'],
+ name=[],
+ ),
+]
+
+
+def guess_layer_class(filename):
+ try:
+ directory, name = os.path.split(filename)
+ name, ext = os.path.splitext(name.lower())
+ for hint in hints:
+ patterns = [r'^(\w*[.-])*{}([.-]\w*)?$'.format(x) for x in hint.name]
+ if ext[1:] in hint.ext or any(re.findall(p, name, re.IGNORECASE) for p in patterns):
+ return hint.layer
+ except:
+ pass
+ return 'unknown'
+
+
+def sort_layers(layers):
+ layer_order = ['outline', 'toppaste', 'topsilk', 'topmask', 'top',
+ 'internal', 'bottom', 'bottommask', 'bottomsilk',
+ 'bottompaste', 'drill', ]
+ output = []
+ drill_layers = [layer for layer in layers if layer.layer_class == 'drill']
+ internal_layers = list(sorted([layer for layer in layers if layer.layer_class == 'internal']))
+
+ for layer_class in layer_order:
+ if layer_class == 'internal':
+ output += internal_layers
+ elif layer_class == 'drill':
+ output += drill_layers
+ else:
+ for layer in layers:
+ if layer.layer_class == layer_class:
+ output.append(layer)
+ return output
+
+
+class PCBLayer(object):
+ """ Base class for PCB Layers
+
+ Parameters
+ ----------
+ source : CAMFile
+ CAMFile representing the layer
+
+
+ Attributes
+ ----------
+ filename : string
+ Source Filename
+
+ """
+ @classmethod
+ def from_gerber(cls, camfile):
+ filename = camfile.filename
+ layer_class = guess_layer_class(filename)
+ if isinstance(camfile, ExcellonFile) or (layer_class == 'drill'):
+ return DrillLayer.from_gerber(camfile)
+ elif layer_class == 'internal':
+ return InternalLayer.from_gerber(camfile)
+ if isinstance(camfile, IPC_D_356):
+ layer_class = 'ipc_netlist'
+ return cls(filename, layer_class, camfile)
+
+ def __init__(self, filename=None, layer_class=None, cam_source=None, **kwargs):
+ super(PCBLayer, self).__init__(**kwargs)
+ self.filename = filename
+ self.layer_class = layer_class
+ self.cam_source = cam_source
+ self.surface = None
+ self.primitives = cam_source.primitives if cam_source is not None else []
+
+ @property
+ def bounds(self):
+ if self.cam_source is not None:
+ return self.cam_source.bounds
+ else:
+ return None
+
+
+class DrillLayer(PCBLayer):
+ @classmethod
+ def from_gerber(cls, camfile):
+ return cls(camfile.filename, camfile)
+
+ def __init__(self, filename=None, cam_source=None, layers=None, **kwargs):
+ super(DrillLayer, self).__init__(filename, 'drill', cam_source, **kwargs)
+ self.layers = layers if layers is not None else ['top', 'bottom']
+
+
+class InternalLayer(PCBLayer):
+ @classmethod
+ def from_gerber(cls, camfile):
+ filename = camfile.filename
+ try:
+ order = int(re.search(r'\d+', filename).group())
+ except:
+ order = 0
+ return cls(filename, camfile, order)
+
+ def __init__(self, filename=None, cam_source=None, order=0, **kwargs):
+ super(InternalLayer, self).__init__(filename, 'internal', cam_source, **kwargs)
+ self.order = order
+
+ def __eq__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order == other.order)
+
+ def __ne__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order != other.order)
+
+ def __gt__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order > other.order)
+
+ def __lt__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order < other.order)
+
+ def __ge__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order >= other.order)
+
+ def __le__(self, other):
+ if not hasattr(other, 'order'):
+ raise TypeError()
+ return (self.order <= other.order)
+
+
+class LayerSet(object):
+ def __init__(self, name, layers, **kwargs):
+ super(LayerSet, self).__init__(**kwargs)
+ self.name = name
+ self.layers = list(layers)
+
+ def __len__(self):
+ return len(self.layers)
+
+ def __getitem__(self, item):
+ return self.layers[item]
+
+ def to_render(self):
+ return self.layers
+
+ def apply_theme(self, theme):
+ pass
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