RS274X backend for rendering. Incompelte still

1 files changed, 44 insertions, 2 deletions

diff --git a/gerber/primitives.py b/gerber/primitives.py
index 84115a6..21efb55 100644
--- a/gerber/primitives.py
+++ b/gerber/primitives.py
@@ -17,8 +17,9 @@
 import math

 from operator import add, sub

 

-from .utils import validate_coordinates, inch, metric, rotate_point

+from .utils import validate_coordinates, inch, metric, rotate_point, nearly_equal

 from jsonpickle.util import PRIMITIVES

+from __builtin__ import False

 

 

 class Primitive(object):

@@ -120,6 +121,9 @@ class Primitive(object):
 

     def __eq__(self, other):

         return self.__dict__ == other.__dict__

+    

+    def to_statement(self):

+        pass

 

 

 class Line(Primitive):

@@ -216,7 +220,16 @@ class Line(Primitive):
     def offset(self, x_offset=0, y_offset=0):

         self.start = tuple(map(add, self.start, (x_offset, y_offset)))

         self.end = tuple(map(add, self.end, (x_offset, y_offset)))

+        

+    def equivalent(self, other, offset):

+        

+        if not isinstance(other, Line):

+            return False

+        

+        equiv_start = tuple(map(add, other.start, offset))

+        equiv_end = tuple(map(add, other.end, offset))

 

+        return nearly_equal(self.start, equiv_start) and nearly_equal(self.end, equiv_end)

 

 class Arc(Primitive):

     """

@@ -736,7 +749,7 @@ class AMGroup(Primitive):
             elif prim:

                self.primitives.append(prim)

         self._position = None

-        self._to_convert = ['arimitives']

+        self._to_convert = ['primitives']

         

     @property

     def flashed(self):

@@ -776,6 +789,21 @@ class AMGroup(Primitive):
             

         self._position = new_pos

         

+    def equivalent(self, other, offset):

+        '''

+        Is this the macro group the same as the other, ignoring the position offset?

+        '''

+        

+        if len(self.primitives) != len(other.primitives):

+            return False

+        

+        # We know they have the same number of primitives, so now check them all

+        for i in range(0, len(self.primitives)):

+            if not self.primitives[i].equivalent(other.primitives[i], offset):

+                return False

+            

+        # If we didn't find any differences, then they are the same

+        return True

 

 class Outline(Primitive):

     """

@@ -816,6 +844,20 @@ class Outline(Primitive):
         bounding_box = self.bounding_box()

         return bounding_box[1][1] - bounding_box[1][0]

 

+    def equivalent(self, other, offset):

+        '''

+        Is this the outline the same as the other, ignoring the position offset?

+        '''

+        

+        # Quick check if it even makes sense to compare them

+        if type(self) != type(other) or len(self.primitives) != len(other.primitives):

+            return False

+        

+        for i in range(0, len(self.primitives)):

+            if not self.primitives[i].equivalent(other.primitives[i], offset):

+                return False

+        

+        return True

 

 class Region(Primitive):

     """