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-rw-r--r--gerberex/dxf.py66
1 files changed, 59 insertions, 7 deletions
diff --git a/gerberex/dxf.py b/gerberex/dxf.py
index 9a2186c..ba02f08 100644
--- a/gerberex/dxf.py
+++ b/gerberex/dxf.py
@@ -7,7 +7,7 @@ import io, sys
from math import pi, cos, sin, tan, atan, atan2, acos, asin, sqrt
import dxfgrabber
from gerber.cam import CamFile, FileSettings
-from gerber.utils import inch, metric, write_gerber_value
+from gerber.utils import inch, metric, write_gerber_value, rotate_point
from gerber.gerber_statements import ADParamStmt
from gerber.excellon_statements import ExcellonTool
from gerber.excellon_statements import CoordinateStmt
@@ -41,6 +41,13 @@ class DxfStatement(object):
def reverse(self):
raise Exception('Not implemented')
+ def offset(self, offset_x, offset_y):
+ raise Exception('Not supported')
+
+ def rotate(self, angle, center=(0, 0)):
+ raise Exception('Not supported')
+
+
class DxfLineStatement(DxfStatement):
@classmethod
def from_entity(cls, entity):
@@ -93,9 +100,9 @@ class DxfLineStatement(DxfStatement):
def to_metric(self):
self.start = (
- metric(self.start[0]), inch(self.start[1]))
+ metric(self.start[0]), metric(self.start[1]))
self.end = (
- metric(self.end[0]), inch(self.end[1]))
+ metric(self.end[0]), metric(self.end[1]))
def is_equal_to(self, target, error_range=0):
if not isinstance(target, DxfLineStatement):
@@ -127,6 +134,14 @@ class DxfLineStatement(DxfStatement):
y0 += yd
d += pitch
+ def offset(self, offset_x, offset_y):
+ self.start = (self.start[0] + offset_x, self.start[1] + offset_y)
+ self.end = (self.end[0] + offset_x, self.end[1] + offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ self.start = rotate_point(self.start, angle, center)
+ self.end = rotate_point(self.end, angle, center)
+
class DxfCircleStatement(DxfStatement):
def __init__(self, entity):
super(DxfCircleStatement, self).__init__(entity)
@@ -177,6 +192,12 @@ class DxfCircleStatement(DxfStatement):
def reverse(self):
pass
+ def offset(self, offset_x, offset_y):
+ self.center = (self.center[0] + offset_x, self.center[1] + offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ self.center = rotate_point(self.center, angle, center)
+
class DxfArcStatement(DxfStatement):
def __init__(self, entity):
super(DxfArcStatement, self).__init__(entity)
@@ -251,6 +272,18 @@ class DxfArcStatement(DxfStatement):
self.start = self.end
self.end = tmp
+ def offset(self, offset_x, offset_y):
+ self.center = (self.center[0] + offset_x, self.center[1] + offset_y)
+ self.start = (self.start[0] + offset_x, self.start[1] + offset_y)
+ self.end = (self.end[0] + offset_x, self.end[1] + offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ self.start_angle += angle
+ self.end_angle += angle
+ self.center = rotate_point(self.center, angle, center)
+ self.start = rotate_point(self.start, angle, center)
+ self.end = rotate_point(self.end, angle, center)
+
class DxfPolylineStatement(DxfStatement):
def __init__(self, entity):
super(DxfPolylineStatement, self).__init__(entity)
@@ -324,7 +357,6 @@ class DxfPolylineStatement(DxfStatement):
for idx in range(0, len(self.entity.points)):
self.entity.points[idx] = (
inch(self.entity.points[idx][0]), inch(self.entity.points[idx][1]))
- self.entity.bulge[idx] = inch(self.entity.bulge[idx])
def to_metric(self):
self.start = (metric(self.start[0]), metric(self.start[1]))
@@ -332,7 +364,16 @@ class DxfPolylineStatement(DxfStatement):
for idx in range(0, len(self.entity.points)):
self.entity.points[idx] = (
metric(self.entity.points[idx][0]), metric(self.entity.points[idx][1]))
- self.entity.bulge[idx] = metric(self.entity.bulge[idx])
+
+ def offset(self, offset_x, offset_y):
+ for idx in range(len(self.entity.points)):
+ self.entity.points[idx] = (
+ self.entity.points[idx][0] + offset_x, self.entity.points[idx][1] + offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ for idx in range(len(self.entity.points)):
+ self.entity.points[idx] = rotate_point(self.entity.points[idx], angle, center)
+
class DxfStatements(object):
def __init__(self, statements, units, dcode=10, draw_mode=None):
@@ -400,6 +441,14 @@ class DxfStatements(object):
statement.to_metric()
for path in self.paths:
path.to_metric()
+
+ def offset(self, offset_x, offset_y):
+ for statement in self.statements:
+ statement.offset(offset_x, offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ for statement in self.statements:
+ statement.rotate(angle, center)
class DxfHeaderStatement(object):
def to_gerber(self, settings):
@@ -583,8 +632,11 @@ class DxfFile(CamFile):
self.pitch = metric(self.pitch)
self.units = 'metric'
- def offset(self, ofset_x, offset_y):
- raise Exception('Not supported')
+ def offset(self, offset_x, offset_y):
+ self.statements.offset(offset_x, offset_y)
+
+ def rotate(self, angle, center=(0, 0)):
+ self.statements.rotate(angle, center)
def loads(data, filename=None):
if sys.version_info.major == 2: