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-rw-r--r--gerber/gerber_statements.py16
-rw-r--r--gerber/render/render.py23
-rw-r--r--gerber/render/svgwrite_backend.py22
3 files changed, 43 insertions, 18 deletions
diff --git a/gerber/gerber_statements.py b/gerber/gerber_statements.py
index 9072b58..a22eae2 100644
--- a/gerber/gerber_statements.py
+++ b/gerber/gerber_statements.py
@@ -17,9 +17,9 @@ __all__ = ['FSParamStmt', 'MOParamStmt', 'IPParamStmt', 'OFParamStmt',
class Statement(object):
""" Gerber statement Base class
-
+
The statement class provides a type attribute.
-
+
Parameters
----------
type : string
@@ -27,7 +27,7 @@ class Statement(object):
Attributes
----------
- type : string
+ type : string
String identifying the statement type.
"""
def __init__(self, stype):
@@ -45,9 +45,9 @@ class Statement(object):
class ParamStmt(Statement):
""" Gerber parameter statement Base class
-
+
The parameter statement class provides a parameter type attribute.
-
+
Parameters
----------
param : string
@@ -55,7 +55,7 @@ class ParamStmt(Statement):
Attributes
----------
- param : string
+ param : string
Parameter type code
"""
def __init__(self, param):
@@ -260,7 +260,7 @@ class LPParamStmt(ParamStmt):
@classmethod
def from_dict(cls, stmt_dict):
- param = stmt_dict.get('lp')
+ param = stmt_dict['param']
lp = 'clear' if stmt_dict.get('lp') == 'C' else 'dark'
return cls(param, lp)
@@ -667,6 +667,6 @@ class UnknownStmt(Statement):
def __init__(self, line):
Statement.__init__(self, "UNKNOWN")
self.line = line
-
+
def to_gerber(self):
return self.line
diff --git a/gerber/render/render.py b/gerber/render/render.py
index e76aed1..48a53f8 100644
--- a/gerber/render/render.py
+++ b/gerber/render/render.py
@@ -96,7 +96,7 @@ class GerberContext(object):
self.level_polarity = 'dark'
self.region_mode = 'off'
self.quadrant_mode = 'multi-quadrant'
-
+ self.step_and_repeat = (1, 1, 0, 0)
self.color = (0.7215, 0.451, 0.200)
self.drill_color = (0.25, 0.25, 0.25)
self.background_color = (0.0, 0.0, 0.0)
@@ -415,6 +415,12 @@ class GerberContext(object):
"""
pass
+ def region_contour(self, x, y):
+ pass
+
+ def fill_region(self):
+ pass
+
def evaluate(self, stmt):
""" Evaluate Gerber statement and update image accordingly.
@@ -450,7 +456,7 @@ class GerberContext(object):
def _evaluate_mode(self, stmt):
if stmt.type == 'RegionMode':
if self.region_mode == 'on' and stmt.mode == 'off':
- self._fill_region()
+ self.fill_region()
self.region_mode = stmt.mode
elif stmt.type == 'QuadrantMode':
self.quadrant_mode = stmt.mode
@@ -460,11 +466,11 @@ class GerberContext(object):
self.set_coord_format(stmt.zero_suppression, stmt.format,
stmt.notation)
self.set_coord_notation(stmt.notation)
- elif stmt.param == "MO:":
+ elif stmt.param == "MO":
self.set_coord_unit(stmt.mode)
- elif stmt.param == "IP:":
+ elif stmt.param == "IP":
self.set_image_polarity(stmt.ip)
- elif stmt.param == "LP:":
+ elif stmt.param == "LP":
self.set_level_polarity(stmt.lp)
elif stmt.param == "AD":
self.define_aperture(stmt.d, stmt.shape, stmt.modifiers)
@@ -477,7 +483,10 @@ class GerberContext(object):
self.direction = ('clockwise' if stmt.function in ('G02', 'G2')
else 'counterclockwise')
if stmt.op == "D01":
- self.stroke(stmt.x, stmt.y, stmt.i, stmt.j)
+ if self.region_mode == 'on':
+ self.region_contour(stmt.x, stmt.y)
+ else:
+ self.stroke(stmt.x, stmt.y, stmt.i, stmt.j)
elif stmt.op == "D02":
self.move(stmt.x, stmt.y)
elif stmt.op == "D03":
@@ -486,5 +495,3 @@ class GerberContext(object):
def _evaluate_aperture(self, stmt):
self.set_aperture(stmt.d)
- def _fill_region(self):
- pass
diff --git a/gerber/render/svgwrite_backend.py b/gerber/render/svgwrite_backend.py
index 7570c84..886b4f8 100644
--- a/gerber/render/svgwrite_backend.py
+++ b/gerber/render/svgwrite_backend.py
@@ -118,6 +118,7 @@ class GerberSvgContext(GerberContext):
self.apertures = {}
self.dwg = svgwrite.Drawing()
self.background = False
+ self.region_path = None
def set_bounds(self, bounds):
xbounds, ybounds = bounds
@@ -125,7 +126,7 @@ class GerberSvgContext(GerberContext):
if not self.background:
self.dwg.add(self.dwg.rect(insert=(SCALE * xbounds[0],
-SCALE * ybounds[1]),
- size=size, fill="black"))
+ size=size, fill=convert_color(self.background_color)))
self.background = True
def define_aperture(self, d, shape, modifiers):
@@ -173,7 +174,8 @@ class GerberSvgContext(GerberContext):
ap = self.apertures.get(self.aperture, None)
if ap is None:
return
- color = (convert_color(self.color) if self.level_polarity == 'dark'
+
+ color = (convert_color(self.color) if self.level_polarity == 'dark'
else convert_color(self.background_color))
for shape in ap.flash(self, x, y, color):
self.dwg.add(shape)
@@ -185,5 +187,21 @@ class GerberSvgContext(GerberContext):
fill=convert_color(self.drill_color))
self.dwg.add(hit)
+ def region_contour(self, x, y):
+ super(GerberSvgContext, self).region_contour(x, y)
+ x, y = self.resolve(x, y)
+ color = (convert_color(self.color) if self.level_polarity == 'dark'
+ else convert_color(self.background_color))
+ if self.region_path is None:
+ self.region_path = self.dwg.path(d = 'M %f, %f' %
+ (self.x*SCALE, -self.y*SCALE),
+ fill = color, stroke = 'none')
+ self.region_path.push('L %f, %f' % (x*SCALE, -y*SCALE))
+ self.move(x, y, resolve=False)
+
+ def fill_region(self):
+ self.dwg.add(self.region_path)
+ self.region_path = None
+
def dump(self, filename):
self.dwg.saveas(filename)