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authorMichael Schwarz <michi.schwarz@gmail.com>2015-08-05 13:56:04 +0200
committerMichael Schwarz <michi.schwarz@gmail.com>2015-08-06 16:32:58 +0200
commitc451c40dd2fa394c0e7fa300eeca9094a6da19bd (patch)
tree699ebd9b5cd948f6e2a428ec66e36c02cf62a7a5
parentac795218d34d0fa15e374a881149f377070fde35 (diff)
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DXF export: Not tied to exporting to DXF anymore.
-rw-r--r--support/dxf_export/__main__.py6
-rw-r--r--support/dxf_export/effect.py59
2 files changed, 34 insertions, 31 deletions
diff --git a/support/dxf_export/__main__.py b/support/dxf_export/__main__.py
index ff2a38f..3052e6f 100644
--- a/support/dxf_export/__main__.py
+++ b/support/dxf_export/__main__.py
@@ -4,11 +4,11 @@ from . import effect
def _export_dxf(in_path, out_path, layers):
- dxf_export = effect.DXFExportEffect(layers)
- dxf_export.affect(args = [in_path], output = False)
+ dxf_effect = effect.ExportEffect(layers)
+ dxf_effect.affect(args = [in_path], output = False)
with open(out_path, 'w') as file:
- dxf_export.write(file)
+ dxf_effect.write_dxf(file)
def _get_inkscape_layers(svg_path):
diff --git a/support/dxf_export/effect.py b/support/dxf_export/effect.py
index 03c81c5..c72037c 100644
--- a/support/dxf_export/effect.py
+++ b/support/dxf_export/effect.py
@@ -25,20 +25,20 @@ def _get_unit_factors_map():
class Layer(object):
- def __init__(self, inkscape_name, dxf_name, use_paths):
+ def __init__(self, inkscape_name, export_name, use_paths):
self.inkscape_name = inkscape_name
- self.dxf_name = dxf_name
+ self.export_name = export_name
self.use_paths = use_paths
-class DXFExportEffect(inkex.Effect):
+class ExportEffect(inkex.Effect):
_unit_factors = _get_unit_factors_map()
def __init__(self, layers):
inkex.Effect.__init__(self)
self._layers_by_inkscape_name = { i.inkscape_name: i for i in layers }
- self._dxf_instructions = []
+ self._lines = []
self._handle = 255
self._layer_indices = { }
self._flatness = float(os.environ['DXF_FLATNESS'])
@@ -84,24 +84,13 @@ class DXFExportEffect(inkex.Effect):
return index
- def _add_instruction(self, code, value):
- self._dxf_instructions.append((code, str(value)))
-
- def _add_dxf_line(self, layer_name, csp):
- self._add_instruction(0, 'LINE')
- self._add_instruction(8, layer_name)
- self._add_instruction(62, self._get_layer_index(layer_name))
- self._add_instruction(5, '{:x}'.format(self._handle))
- self._add_instruction(100, 'AcDbEntity')
- self._add_instruction(100, 'AcDbLine')
- self._add_instruction(10, repr(csp[0][0]))
- self._add_instruction(20, repr(csp[0][1]))
- self._add_instruction(30, 0.0)
- self._add_instruction(11, repr(csp[1][0]))
- self._add_instruction(21, repr(csp[1][1]))
- self._add_instruction(31, 0.0)
+ def _add_line(self, layer_name, csp):
+ (x1, y1), (x2, y2) = csp
+ line = layer_name, x1, y1, x2, y2
+
+ self._lines.append(line)
- def _add_dxf_path(self, layer_name, path):
+ def _add_path(self, layer_name, path):
cspsubdiv.cspsubdiv(path, self._flatness)
for sub in path:
@@ -109,16 +98,16 @@ class DXFExportEffect(inkex.Effect):
self._handle += 1
s = sub[i]
e = sub[i + 1]
- self._add_dxf_line(layer_name, [s[1], e[1]])
+ self._add_line(layer_name, [s[1], e[1]])
- def _add_dxf_shape(self, node, document_transform, element_transform):
+ def _add_shape(self, node, document_transform, element_transform):
path = cubicsuperpath.parsePath(node.get('d'))
layer = self._layers_by_inkscape_name.get(self._get_inkscape_layer_name(node))
if layer is None:
layer_name = ''
else:
- layer_name = layer.dxf_name
+ layer_name = layer.export_name
transform = simpletransform.composeTransform(
document_transform,
@@ -126,7 +115,7 @@ class DXFExportEffect(inkex.Effect):
simpletransform.applyTransformToPath(transform, path)
- self._add_dxf_path(layer_name, path)
+ self._add_path(layer_name, path)
def effect(self):
user_unit = self._get_user_unit()
@@ -140,15 +129,29 @@ class DXFExportEffect(inkex.Effect):
element_transform = [[user_unit, 0, 0], [0, user_unit, 0]]
for node in self.document.getroot().xpath('//svg:path', namespaces = inkex.NSS):
- self._add_dxf_shape(node, document_transform, element_transform)
+ self._add_shape(node, document_transform, element_transform)
- def write(self, file):
+ def write_dxf(self, file):
file.write(pkgutil.get_data(__name__, 'dxf_header.txt'))
- for code, value in self._dxf_instructions:
+ def _write_instruction(code, value):
print >> file, code
print >> file, value
+ for layer_name, x1, y1, x2, y2 in self._lines:
+ _write_instruction(0, 'LINE')
+ _write_instruction(8, layer_name)
+ _write_instruction(62, self._get_layer_index(layer_name))
+ _write_instruction(5, '{:x}'.format(self._handle))
+ _write_instruction(100, 'AcDbEntity')
+ _write_instruction(100, 'AcDbLine')
+ _write_instruction(10, repr(x1))
+ _write_instruction(20, repr(y1))
+ _write_instruction(30, 0.0)
+ _write_instruction(11, repr(x2))
+ _write_instruction(21, repr(y2))
+ _write_instruction(31, 0.0)
+
file.write(pkgutil.get_data(__name__, 'dxf_footer.txt'))
@classmethod