add rotation fuction

.gitignore

@@ -3,3 +3,4 @@
 *.pyc
 __pycache__
 pcb_tools_extension.egg-info
+test/outputs

LICENSE

@@ -0,0 +1,201 @@
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README.md

@@ -5,8 +5,8 @@ This library is designed based on [PCB tools](https://github.com/curtacircuitos/
 
 PCB tools extension adds following function  to PCB tools.
 
-- Rotate PCB data (imprementation is not completed)
-- Save loding PCB data
+- Rotate PCB data
+- Write back loded PCB data (original PCB tools does not work completely)
 - Merge multiple PCB data
 - Translate DXF file to gerber data
 
@@ -25,12 +25,16 @@ ctx.merge(metal1)
 
 metal2 = gerberex.read('board2.gtl')
 metal2.to_metric()
+metal2.rotate(-20)
 metal2.offset(30, 0)
 ctx.merge(metal2)
 
 ctx.dump('panelized-board.gtl')
 ```
 
+```rotate()``` method can be used to rotate PCB data counterclockwise. you have to specify angle in degree<br>
+```offset()``` method can be used to move PCB data. Specified offset values are interpreted according to unit setting of PCB data. In case of the above code, ```board2.gtl``` move to 30mm left since ```to_metric()``` is called.
+
 In case of Excellon drill data, you have to use ```DrillCompositon``` instead of ```GerberComposition```.
 
 ```python
@@ -43,6 +47,7 @@ ctx.merge(drill1)
 
 drill2 = gerberex.read('board2.txt')
 drill2.to_metric()
+drill2.rotate(-20)
 drill2.offset(30, 0)
 ctx.merge(drill2)
 

gerberex/am_primitive.py

@@ -7,13 +7,21 @@ from gerber.utils import *
 from gerber.am_statements import *
 from gerber.am_eval import OpCode
 
-from gerberex.am_expression import eval_macro
+from gerberex.am_expression import eval_macro, AMConstantExpression, AMOperatorExpression
 
 class AMPrimitiveDef(AMPrimitive):
-    def __init__(self, code, exposure=None, rotation=0):
+    def __init__(self, code, exposure=None, rotation=None):
         super(AMPrimitiveDef, self).__init__(code, exposure)
+        if not rotation:
+            rotation = AMConstantExpression(0)
         self.rotation = rotation
 
+    def rotate(self, angle, center=None):
+        self.rotation = AMOperatorExpression(AMOperatorExpression.ADD, 
+                                             self.rotation, 
+                                             AMConstantExpression(float(angle)))
+        self.rotation = self.rotation.optimize()
+
     def to_inch(self):
         pass
     
@@ -44,12 +52,12 @@ class AMCommentPrimitiveDef(AMPrimitiveDef):
 class AMCirclePrimitiveDef(AMPrimitiveDef):
     @classmethod
     def from_modifiers(cls, code, modifiers):
-        exposure = 'on' if modifiers[0] == 1 else 'off',
-        diameter = modifiers[1],
-        center_x = modifiers[2],
-        center_y = modifiers[3],
+        exposure = 'on' if modifiers[0].value == 1 else 'off'
+        diameter = modifiers[1]
+        center_x = modifiers[2]
+        center_y = modifiers[3]
         rotation = modifiers[4]
-        return cls(code, expressions, center_x, center_y, rotation)
+        return cls(code, exposure, diameter, center_x, center_y, rotation)
 
     def __init__(self, code, exposure, diameter, center_x, center_y, rotation):
         super(AMCirclePrimitiveDef, self).__init__(code, exposure, rotation)
@@ -87,7 +95,7 @@ class AMVectorLinePrimitiveDef(AMPrimitiveDef):
     @classmethod
     def from_modifiers(cls, code, modifiers):
         code = code
-        exposure = 'on' if modifiers[0] == 1 else 'off'
+        exposure = 'on' if modifiers[0].value == 1 else 'off'
         width = modifiers[1]
         start_x = modifiers[2]
         start_y = modifiers[3]
@@ -141,7 +149,7 @@ class AMCenterLinePrimitiveDef(AMPrimitiveDef):
     @classmethod
     def from_modifiers(cls, code, modifiers):
         code = code
-        exposure = 'on' if modifiers[0] == 1 else 'off'
+        exposure = 'on' if modifiers[0].value == 1 else 'off'
         width = modifiers[1]
         height = modifiers[2]
         x = modifiers[3]
@@ -191,7 +199,7 @@ class AMOutlinePrimitiveDef(AMPrimitiveDef):
     def from_modifiers(cls, code, modifiers):
         num_points = modifiers[1] + 1
         code = code
-        exposure = 'on' if modifiers[0] == 1 else 'off'
+        exposure = 'on' if modifiers[0].value == 1 else 'off'
         addrs = modifiers[2:num_points * 2]
         rotation = modifiers[3 + num_points * 2]
         return cls(code, exposure, addrs, rotation)
@@ -231,7 +239,7 @@ class AMPolygonPrimitiveDef(AMPrimitiveDef):
     @classmethod
     def from_modifiers(cls, code, modifiers):
         code = code
-        exposure = 'on' if modifiers[0] == 1 else 'off'
+        exposure = 'on' if modifiers[0].value == 1 else 'off'
         vertices = modifiers[1]
         x = modifiers[2]
         y = modifiers[3]
@@ -417,6 +425,9 @@ class AMVariableDef(object):
             yield i
         yield (OpCode.STORE, self.number)
 
+    def rotate(self, angle, center=None):
+        pass
+
 def to_primitive_defs(instructions):
     classes = {
         0: AMCommentPrimitiveDef,
@@ -434,4 +445,4 @@ def to_primitive_defs(instructions):
             yield AMVariableDef(-code, modifiers[0])
         else:
             primitive = classes[code]
-            yield primitive.from_modifiers(code, modifiers)
+            yield primitive.from_modifiers(code, modifiers)

gerberex/composition.py

@@ -101,7 +101,7 @@ class GerberComposition(Composition):
 
         if not self.settings:
             self.settings = file.settings
-            self.param_statements = file.header
+            self.param_statements = [file.header]
 
 
     def _register_aperture_macro(self, statement):

gerberex/dxf.py

@@ -111,7 +111,7 @@ class DxfArcStatement(DxfStatement):
                                settings.zero_suppression),
             write_gerber_value(begin_y, settings.format,
                                settings.zero_suppression),
-            '03' if deg0 > deg1 else '02',
+            '03',
             write_gerber_value(end_x, settings.format,
                                settings.zero_suppression),
             write_gerber_value(end_y, settings.format,

gerberex/excellon.py

@@ -6,6 +6,7 @@
 from gerber.excellon import (ExcellonParser, detect_excellon_format, ExcellonFile)
 from gerber.excellon_statements import UnitStmt
 from gerber.cam import FileSettings
+from gerberex.utility import rotate
 
 def loads(data, filename=None, settings=None, tools=None, format=None):
     if not settings:
@@ -27,6 +28,12 @@ class ExcellonFileEx(ExcellonFile):
     def __init__(self, statements, tools, hits, settings, filename=None):
         super(ExcellonFileEx, self).__init__(statements, tools, hits, settings, filename)
 
+    def rotate(self, angle, center=(0,0)):
+        if angle % 360 == 0:
+            return
+        for hit in self.hits:
+            hit.position = rotate(hit.position[0], hit.position[1], angle, center)
+
 class UnitStmtEx(UnitStmt):
     @classmethod
     def from_statement(cls, stmt):

gerberex/rs274x.py

@@ -4,7 +4,9 @@
 # Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
 
 import gerber.rs274x
-from gerberex.statements import (AMParamStmt, AMParamStmtEx)
+from gerber.gerber_statements import ADParamStmt, CoordStmt
+from gerberex.statements import AMParamStmt, AMParamStmtEx
+from gerberex.utility import rotate
 
 class GerberFile(gerber.rs274x.GerberFile):
     @classmethod
@@ -23,3 +25,64 @@ class GerberFile(gerber.rs274x.GerberFile):
 
     def __init__(self, statements, settings, primitives, apertures, filename=None):
         super(GerberFile, self).__init__(statements, settings, primitives, apertures, filename)
+
+    def rotate(self, angle, center=(0,0)):
+        if angle % 360 == 0:
+            return
+        self._generalize_aperture()
+        for statement in self.statements:
+            if isinstance(statement, AMParamStmtEx):
+                statement.rotate(angle, center)
+            elif isinstance(statement, CoordStmt) and statement.x != None and statement.y != None:
+                statement.x, statement.y = rotate(statement.x, statement.y, angle, center)
+    
+    def _generalize_aperture(self):
+        RECTANGLE = 0
+        LANDSCAPE_OBROUND = 1
+        PORTRATE_OBROUND = 2
+        POLYGON = 3
+        macro_defs = [
+            ('MACR', AMParamStmtEx.rectangle),
+            ('MACLO', AMParamStmtEx.landscape_obround),
+            ('MACPO', AMParamStmtEx.portrate_obround),
+            ('MACP', AMParamStmtEx.polygon)
+        ]
+
+        need_to_change = False
+        insert_point = 0
+        last_aperture = 0
+        macros = {}
+        for idx in range(0, len(self.statements)):
+            statement = self.statements[idx]
+            if isinstance(statement, AMParamStmtEx):
+                macros[statement.name] = statement
+                if not need_to_change:
+                    insert_point = idx + 1
+            if isinstance(statement, ADParamStmt) and statement.shape in ['R', 'O', 'P']:
+                need_to_change = True
+                last_aperture = idx
+        
+        if need_to_change:
+            for idx in range(0, len(macro_defs)):
+                macro_def = macro_defs[idx]
+                name = macro_def[0]
+                num = 1
+                while name in macros:
+                    name = '%s_%d' % (macro_def[0], num)
+                    num += 1
+                self.statements.insert(insert_point, macro_def[1](name))
+                macro_defs[idx] = (name, macro_def[1])
+            for idx in range(insert_point, last_aperture + len(macro_defs) + 1):
+                statement = self.statements[idx]
+                if isinstance(statement, ADParamStmt):
+                    if statement.shape == 'R':
+                        statement.shape = macro_defs[RECTANGLE][0]
+                    elif statement.shape == 'O':
+                        x = statement.modifiers[0] \
+                            if len(statement.modifiers) > 0 else 0
+                        y = statement.modifiers[1] \
+                            if len(statement.modifiers) > 1 else 0
+                        statement.shape = macro_defs[LANDSCAPE_OBROUND][0] \
+                                          if x > y else macro_defs[PORTRATE_OBROUND][0] 
+                    elif statement.shape == 'P':
+                        statement.shape = macro_defs[POLYGON][0]

gerberex/statements.py

@@ -11,9 +11,41 @@ class AMParamStmtEx(AMParamStmt):
     def from_stmt(cls, stmt):
         return cls(stmt.param, stmt.name, stmt.macro)
 
+    @classmethod
+    def circle(cls, name):
+        return cls('AM', name, '1,1,$1,0,0,0*1,0,$2,0,0,0')
+
+    @classmethod
+    def rectangle(cls, name):
+        return cls('AM', name, '21,1,$1,$2,0,0,0*1,0,$3,0,0,0')
+    
+    @classmethod
+    def landscape_obround(cls, name):
+        return cls(
+            'AM', name,
+            '$4=$1-$2*'
+            '21,1,$1-$4,$2,0,0,0*'
+            '1,1,$4,$4/2,0,0*'
+            '1,1,$4,-$4/2,0,0*'
+            '1,0,$3,0,0,0')
+
+    @classmethod
+    def portrate_obround(cls, name):
+        return cls(
+            'AM', name,
+            '$4=$2-$1*'
+            '21,1,$1,$2-$4,0,0,0*'
+            '1,1,$4,0,$4/2,0*'
+            '1,1,$4,0,-$4/2,0*'
+            '1,0,$3,0,0,0')
+    
+    @classmethod
+    def polygon(cls, name):
+        return cls('AM', name, '5,1,$2,0,0,$1,$3*1,0,$4,0,0,0')
+
     def __init__(self, param, name, macro):
         super(AMParamStmtEx, self).__init__(param, name, macro)
-        self.primitive_defs = to_primitive_defs(self.instructions)
+        self.primitive_defs = list(to_primitive_defs(self.instructions))
     
     def to_inch(self):
         if self.units == 'metric':
@@ -32,3 +64,7 @@ class AMParamStmtEx(AMParamStmt):
             for p in self.primitive_defs:
                 yield p.to_gerber(settings)
         return "%%AM%s*\n%s%%" % (self.name, '\n'.join(plist()))
+
+    def rotate(self, angle, center=None):
+        for primitive_def in self.primitive_defs:
+            primitive_def.rotate(angle, center)

gerberex/utility.py

@@ -0,0 +1,13 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+# Copyright 2019 Hiroshi Murayama <opiopan@gmail.com>
+
+from math import cos, sin, pi
+
+def rotate(x, y, angle, center):
+    x0 = x - center[0]
+    y0 = y - center[1]
+    angle = angle * pi / 180.0
+    return (cos(angle) * x0 - sin(angle) * y0 + center[0],
+            sin(angle) * x0 + cos(angle) * y0 + center[1])

test/data/merge.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python
+import os
+import gerberex
+from gerberex.dxf import DxfFile
+
+exts = ['GTL', 'GTO', 'GTP', 'GTS', 'GBL', 'GBO', 'GBP', 'GBS', 'TXT']
+boards=[
+    ('../../sonopi-digi/pcb/CAMOutputs/sonopi-digi.', 0, 0),
+    ('../../sonopi-digi/pcb/CAMOutputs/sonopi-digi.', 0, 22.5),
+    ('../../rcstick-f/pcb/small/CAMOutputs/rcstick-f-small.', 0, 60),
+    ('../../rcstick-f/pcb/small/CAMOutputs/rcstick-f-small.', 20, 60),
+    ('../../rcstick-f/pcb/small/CAMOutputs/rcstick-f-small.', 40, 60),
+    ('../../rcstick-f/pcb/large/CAMOutputs/rcstick-f.', 72.4, 0),
+    ('../../rcstick-f/pcb/jig/CAMOutputs/rcstick-jig.', 0, 44),
+    ('../../stm32breakout/pcb/CAMOutputs/stm32breakout.', 78.0, 59.36),
+    ('../../stm32breakout/pcb/CAMOutputs/stm32breakout.', 100.0, 59.36),
+]
+outline = 'outline.dxf'
+fill = 'fill.dxf'
+
+outputs = 'outputs/elecrow-panelized'
+
+os.chdir(os.path.dirname(__file__))
+
+for ext in exts:
+    print('merging %s: ' % ext ,end='', flush=True)
+    if ext == 'TXT':
+        ctx = gerberex.DrillComposition()
+    else:
+        ctx = gerberex.GerberComposition()
+    for board in boards:
+        file = gerberex.read(board[0] + ext)
+        file.to_metric()
+        file.offset(board[1], board[2])
+        ctx.merge(file)
+        print('.', end='', flush=True)
+    if ext != 'TXT':
+        file = gerberex.read(outline)
+        ctx.merge(file)
+    ctx.dump(outputs + '.' + ext)
+    print(' end', flush=True)
+
+print('generating GML: ', end='', flush=True)
+file = gerberex.read(outline)
+file.write(outputs + '.GML')
+print('.', end='', flush=True)
+file = gerberex.read(fill)
+file.to_metric()
+file.draw_mode = DxfFile.DM_FILL
+file.write(outputs + '-fill.GML')
+print('. end', flush=True)

test/data/test.TXT

@@ -0,0 +1,45 @@
+M48
+;GenerationSoftware,Autodesk,EAGLE,9.3.0*%
+;CreationDate,2019-03-17T14:26:03Z*%
+FMAT,2
+ICI,OFF
+METRIC,TZ,000.000
+T5C0.350
+T4C0.508
+T3C0.800
+T2C0.930
+T1C1.200
+%
+G90
+M71
+T1
+X5450Y2685
+X9950Y2685
+T2
+X11200Y4785
+X8700Y4785
+X6700Y4785
+X4200Y4785
+T3
+X5588Y25527
+T4
+X2062Y6253
+X2062Y7503
+X2062Y8753
+X2062Y10003
+T5
+X4191Y15113
+X11557Y15494
+X7747Y17018
+X7747Y9017
+X4064Y27178
+X7112Y27178
+X8890Y26035
+X1651Y24892
+X6096Y22479
+X12700Y18796
+X13335Y18161
+X7747Y22225
+X7112Y23907
+X14450Y34250
+M30

test/test.py

@@ -1,3 +1,4 @@
+import os
 import gerberex
 from gerberex.dxf import DxfFile
 import gerber
@@ -44,9 +45,18 @@ def merge2():
     ctx.dump('test-merged.TXT')
 
 
+os.chdir(os.path.dirname(__file__))
+
 #merge2()
 
-file = gerberex.read('outline.dxf')
+file = gerberex.read('data/test.GTL')
+file.rotate(45)
+file.write('outputs/test_changed.GTL')
+file = gerberex.read('data/test.TXT')
+file.rotate(45)
+file.write('outputs/test_changed.TXT')
+
+file = gerberex.read('data/outline.dxf')
 file.to_metric()
 w = file.width
 file.draw_mode = DxfFile.DM_FILL