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-rw-r--r--gerber/render/__init__.py1
-rw-r--r--gerber/render/cairo_backend.py419
-rw-r--r--gerber/render/render.py23
-rw-r--r--gerber/render/rs274x_backend.py233
-rw-r--r--gerber/render/theme.py32
5 files changed, 316 insertions, 392 deletions
diff --git a/gerber/render/__init__.py b/gerber/render/__init__.py
index f76d28f..3598c4d 100644
--- a/gerber/render/__init__.py
+++ b/gerber/render/__init__.py
@@ -25,3 +25,4 @@ SVG is the only supported format.
from .cairo_backend import GerberCairoContext
+from .render import RenderSettings
diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py
index 8c7232f..31a1e77 100644
--- a/gerber/render/cairo_backend.py
+++ b/gerber/render/cairo_backend.py
@@ -12,29 +12,25 @@
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
+
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
try:
import cairo
except ImportError:
import cairocffi as cairo
-
-import math
-from operator import mul, div
-import tempfile
-import cairocffi as cairo
+from operator import mul
+import tempfile
+import copy
+import os
-from ..primitives import *
from .render import GerberContext, RenderSettings
from .theme import THEMES
+from ..primitives import *
-try:
- from cStringIO import StringIO
-except(ImportError):
- from io import StringIO
+from io import BytesIO
class GerberCairoContext(GerberContext):
@@ -43,15 +39,16 @@ class GerberCairoContext(GerberContext):
super(GerberCairoContext, self).__init__()
self.scale = (scale, scale)
self.surface = None
+ self.surface_buffer = None
self.ctx = None
self.active_layer = None
+ self.active_matrix = None
self.output_ctx = None
- self.bg = False
- self.mask = None
- self.mask_ctx = None
+ self.has_bg = False
self.origin_in_inch = None
self.size_in_inch = None
self._xform_matrix = None
+ self._render_count = 0
@property
def origin_in_pixels(self):
@@ -72,10 +69,8 @@ class GerberCairoContext(GerberContext):
self.size_in_inch = size_in_inch if self.size_in_inch is None else self.size_in_inch
if (self.surface is None) or new_surface:
self.surface_buffer = tempfile.NamedTemporaryFile()
- self.surface = cairo.SVGSurface(
- self.surface_buffer, size_in_pixels[0], size_in_pixels[1])
+ self.surface = cairo.SVGSurface(self.surface_buffer, size_in_pixels[0], size_in_pixels[1])
self.output_ctx = cairo.Context(self.surface)
- self.output_ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD)
self.output_ctx.scale(1, -1)
self.output_ctx.translate(-(origin_in_inch[0] * self.scale[0]),
(-origin_in_inch[1] * self.scale[0]) - size_in_pixels[1])
@@ -83,20 +78,48 @@ class GerberCairoContext(GerberContext):
x0=-self.origin_in_pixels[0],
y0=self.size_in_pixels[1] + self.origin_in_pixels[1])
- def render_layers(self, layers, filename, theme=THEMES['default']):
+ def render_layer(self, layer, filename=None, settings=None, bgsettings=None,
+ verbose=False):
+ if settings is None:
+ settings = THEMES['default'].get(layer.layer_class, RenderSettings())
+ if bgsettings is None:
+ bgsettings = THEMES['default'].get('background', RenderSettings())
+
+ if self._render_count == 0:
+ if verbose:
+ print('[Render]: Rendering Background.')
+ self.clear()
+ self.set_bounds(layer.bounds)
+ self._paint_background(bgsettings)
+ if verbose:
+ print('[Render]: Rendering {} Layer.'.format(layer.layer_class))
+ self._render_count += 1
+ self._render_layer(layer, settings)
+ if filename is not None:
+ self.dump(filename, verbose)
+
+ def render_layers(self, layers, filename, theme=THEMES['default'],
+ verbose=False):
""" Render a set of layers
"""
- self.set_bounds(layers[0].bounds, True)
- self._paint_background(True)
-
+ self.clear()
+ bgsettings = theme['background']
for layer in layers:
- self._render_layer(layer, theme)
- self.dump(filename)
+ settings = theme.get(layer.layer_class, RenderSettings())
+ self.render_layer(layer, settings=settings, bgsettings=bgsettings,
+ verbose=verbose)
+ self.dump(filename, verbose)
- def dump(self, filename):
+ def dump(self, filename=None, verbose=False):
""" Save image as `filename`
"""
- if filename and filename.lower().endswith(".svg"):
+ try:
+ is_svg = os.path.splitext(filename.lower())[1] == '.svg'
+ except:
+ is_svg = False
+ if verbose:
+ print('[Render]: Writing image to {}'.format(filename))
+ if is_svg:
self.surface.finish()
self.surface_buffer.flush()
with open(filename, "w") as f:
@@ -107,9 +130,9 @@ class GerberCairoContext(GerberContext):
return self.surface.write_to_png(filename)
def dump_str(self):
- """ Return a string containing the rendered image.
+ """ Return a byte-string containing the rendered image.
"""
- fobj = StringIO()
+ fobj = BytesIO()
self.surface.write_to_png(fobj)
return fobj.getvalue()
@@ -120,54 +143,40 @@ class GerberCairoContext(GerberContext):
self.surface_buffer.flush()
return self.surface_buffer.read()
- def _render_layer(self, layer, theme=THEMES['default']):
- settings = theme.get(layer.layer_class, RenderSettings())
- self.color = settings.color
- self.alpha = settings.alpha
- self.invert = settings.invert
+ def clear(self):
+ self.surface = None
+ self.output_ctx = None
+ self.has_bg = False
+ self.origin_in_inch = None
+ self.size_in_inch = None
+ self._xform_matrix = None
+ self._render_count = 0
+ if hasattr(self.surface_buffer, 'close'):
+ self.surface_buffer.close()
+ self.surface_buffer = None
+ def _render_layer(self, layer, settings):
+ self.invert = settings.invert
# Get a new clean layer to render on
- self._new_render_layer()
- if settings.mirror:
- raise Warning('mirrored layers aren\'t supported yet...')
+ self._new_render_layer(mirror=settings.mirror)
for prim in layer.primitives:
self.render(prim)
# Add layer to image
- self._flatten()
+ self._flatten(settings.color, settings.alpha)
def _render_line(self, line, color):
start = [pos * scale for pos, scale in zip(line.start, self.scale)]
end = [pos * scale for pos, scale in zip(line.end, self.scale)]
- if not self.invert:
-<<<<<<< HEAD
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if line.level_polarity == "dark"
- else cairo.OPERATOR_CLEAR)
-=======
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if line.level_polarity == 'dark'
- else cairo.OPERATOR_CLEAR)
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if line.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
if isinstance(line.aperture, Circle):
-<<<<<<< HEAD
- width = line.aperture.diameter
-=======
width = line.aperture.diameter
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
self.ctx.set_line_width(width * self.scale[0])
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
self.ctx.move_to(*start)
self.ctx.line_to(*end)
-<<<<<<< HEAD
- self.ctx.stroke()
-=======
self.ctx.stroke()
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
elif isinstance(line.aperture, Rectangle):
points = [self.scale_point(x) for x in line.vertices]
self.ctx.set_line_width(0)
@@ -190,61 +199,24 @@ class GerberCairoContext(GerberContext):
width = arc.aperture.diameter if arc.aperture.diameter != 0 else 0.001
else:
width = max(arc.aperture.width, arc.aperture.height, 0.001)
-
- if not self.invert:
-<<<<<<< HEAD
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if arc.level_polarity == "dark"\
- else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-
-=======
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if arc.level_polarity == 'dark'
- else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
+
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if arc.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(width * self.scale[0])
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
self.ctx.move_to(*start) # You actually have to do this...
if arc.direction == 'counterclockwise':
-<<<<<<< HEAD
- self.ctx.arc(center[0], center[1], radius, angle1, angle2)
- else:
- self.ctx.arc_negative(center[0], center[1], radius, angle1, angle2)
-=======
self.ctx.arc(*center, radius=radius, angle1=angle1, angle2=angle2)
else:
self.ctx.arc_negative(*center, radius=radius,
angle1=angle1, angle2=angle2)
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
self.ctx.move_to(*end) # ...lame
def _render_region(self, region, color):
- if not self.invert:
-<<<<<<< HEAD
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if region.level_polarity == "dark"
-=======
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if region.level_polarity == 'dark'
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
- else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-<<<<<<< HEAD
-
-=======
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if region.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
self.ctx.move_to(*self.scale_point(region.primitives[0].start))
@@ -262,71 +234,41 @@ class GerberCairoContext(GerberContext):
else:
self.ctx.arc_negative(*center, radius=radius,
angle1=angle1, angle2=angle2)
-<<<<<<< HEAD
- self.ctx.fill()
+ self.ctx.fill()
+
def _render_circle(self, circle, color):
center = self.scale_point(circle.position)
- if not self.invert:
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if circle.level_polarity == "dark"
- else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-
- if circle.hole_diameter > 0:
- self.ctx.push_group()
-
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if circle.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(0)
- self.ctx.arc(center[0], center[1], radius=circle.radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ self.ctx.arc(*center, radius=(circle.radius * self.scale[0]), angle1=0,
+ angle2=(2 * math.pi))
self.ctx.fill()
-
+
if circle.hole_diameter > 0:
# Render the center clear
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
- self.ctx.arc(center[0], center[1], radius=circle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ self.ctx.set_operator(cairo.OPERATOR_CLEAR)
+ self.ctx.arc(center[0], center[1],
+ radius=circle.hole_radius * self.scale[0], angle1=0,
+ angle2=2 * math.pi)
self.ctx.fill()
-
- self.ctx.pop_group_to_source()
- self.ctx.paint_with_alpha(1)
-=======
- self.ctx.fill()
- def _render_circle(self, circle, color):
- center = self.scale_point(circle.position)
- if not self.invert:
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(
- cairo.OPERATOR_OVER if circle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
- self.ctx.set_line_width(0)
- self.ctx.arc(*center, radius=circle.radius *
- self.scale[0], angle1=0, angle2=2 * math.pi)
- self.ctx.fill()
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
def _render_rectangle(self, rectangle, color):
lower_left = self.scale_point(rectangle.lower_left)
- width, height = tuple([abs(coord) for coord in self.scale_point((rectangle.width, rectangle.height))])
-<<<<<<< HEAD
-
- if not self.invert:
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER
- if rectangle.level_polarity == "dark"
- else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-
+ width, height = tuple([abs(coord) for coord in
+ self.scale_point((rectangle.width,
+ rectangle.height))])
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if rectangle.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
+
if rectangle.rotation != 0:
self.ctx.save()
-
+
center = map(mul, rectangle.position, self.scale)
matrix = cairo.Matrix()
matrix.translate(center[0], center[1])
@@ -335,128 +277,107 @@ class GerberCairoContext(GerberContext):
lower_left[1] = lower_left[1] - center[1]
matrix.rotate(rectangle.rotation)
self.ctx.transform(matrix)
-
+
if rectangle.hole_diameter > 0:
self.ctx.push_group()
self.ctx.set_line_width(0)
- self.ctx.rectangle(lower_left[0], lower_left[1], width, height)
+ self.ctx.rectangle(*lower_left, width=width, height=height)
self.ctx.fill()
-
+
if rectangle.hole_diameter > 0:
# Render the center clear
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
+ self.ctx.set_operator(cairo.OPERATOR_CLEAR
+ if rectangle.level_polarity == 'dark'
+ and (not self.invert)
+ else cairo.OPERATOR_SOURCE)
center = map(mul, rectangle.position, self.scale)
- self.ctx.arc(center[0], center[1], radius=rectangle.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ self.ctx.arc(center[0], center[1],
+ radius=rectangle.hole_radius * self.scale[0], angle1=0,
+ angle2=2 * math.pi)
self.ctx.fill()
-
- self.ctx.pop_group_to_source()
- self.ctx.paint_with_alpha(1)
-
- if rectangle.rotation != 0:
- self.ctx.restore()
-=======
- if not self.invert:
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(
- cairo.OPERATOR_OVER if rectangle.level_polarity == 'dark' else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
- self.ctx.set_line_width(0)
- self.ctx.rectangle(*lower_left, width=width, height=height)
- self.ctx.fill()
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
+ if rectangle.rotation != 0:
+ self.ctx.restore()
def _render_obround(self, obround, color):
-
- if not self.invert:
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER if obround.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-
if obround.hole_diameter > 0:
self.ctx.push_group()
self._render_circle(obround.subshapes['circle1'], color)
self._render_circle(obround.subshapes['circle2'], color)
self._render_rectangle(obround.subshapes['rectangle'], color)
-
+
if obround.hole_diameter > 0:
# Render the center clear
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
self.ctx.set_operator(cairo.OPERATOR_CLEAR)
center = map(mul, obround.position, self.scale)
- self.ctx.arc(center[0], center[1], radius=obround.hole_radius * self.scale[0], angle1=0, angle2=2 * math.pi)
+ self.ctx.arc(center[0], center[1],
+ radius=obround.hole_radius * self.scale[0], angle1=0,
+ angle2=2 * math.pi)
self.ctx.fill()
-
+
self.ctx.pop_group_to_source()
self.ctx.paint_with_alpha(1)
+
def _render_polygon(self, polygon, color):
-
+
# TODO Ths does not handle rotation of a polygon
- if not self.invert:
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER if polygon.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
-
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if polygon.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
if polygon.hole_radius > 0:
self.ctx.push_group()
-
- vertices = polygon.vertices
+
+ vertices = polygon.vertices
self.ctx.set_line_width(0)
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
-
+
# Start from before the end so it is easy to iterate and make sure it is closed
self.ctx.move_to(*map(mul, vertices[-1], self.scale))
for v in vertices:
self.ctx.line_to(*map(mul, v, self.scale))
self.ctx.fill()
-
+
if polygon.hole_radius > 0:
# Render the center clear
center = tuple(map(mul, polygon.position, self.scale))
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
+ self.ctx.set_operator(cairo.OPERATOR_CLEAR
+ if polygon.level_polarity == 'dark'
+ and (not self.invert)
+ else cairo.OPERATOR_SOURCE)
self.ctx.set_line_width(0)
- self.ctx.arc(center[0], center[1], polygon.hole_radius * self.scale[0], 0, 2 * math.pi)
+ self.ctx.arc(center[0],
+ center[1],
+ polygon.hole_radius * self.scale[0], 0, 2 * math.pi)
self.ctx.fill()
-
- self.ctx.pop_group_to_source()
- self.ctx.paint_with_alpha(1)
def _render_drill(self, circle, color=None):
color = color if color is not None else self.drill_color
self._render_circle(circle, color)
-
+
def _render_slot(self, slot, color):
start = map(mul, slot.start, self.scale)
end = map(mul, slot.end, self.scale)
-
+
width = slot.diameter
-
- if not self.invert:
- self.ctx.set_source_rgba(color[0], color[1], color[2], alpha=self.alpha)
- self.ctx.set_operator(cairo.OPERATOR_OVER if slot.level_polarity == "dark" else cairo.OPERATOR_CLEAR)
- else:
- self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
- self.ctx.set_operator(cairo.OPERATOR_CLEAR)
+
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if slot.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
self.ctx.set_line_width(width * self.scale[0])
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
self.ctx.move_to(*start)
self.ctx.line_to(*end)
self.ctx.stroke()
-
+
def _render_amgroup(self, amgroup, color):
self.ctx.push_group()
for primitive in amgroup.primitives:
@@ -465,64 +386,56 @@ class GerberCairoContext(GerberContext):
self.ctx.paint_with_alpha(1)
def _render_test_record(self, primitive, color):
- position = [pos + origin for pos, origin in zip(primitive.position, self.origin_in_inch)]
- self.ctx.set_operator(cairo.OPERATOR_OVER)
+ position = [pos + origin for pos, origin in
+ zip(primitive.position, self.origin_in_inch)]
self.ctx.select_font_face(
'monospace', cairo.FONT_SLANT_NORMAL, cairo.FONT_WEIGHT_BOLD)
self.ctx.set_font_size(13)
self._render_circle(Circle(position, 0.015), color)
- self.ctx.set_source_rgba(*color, alpha=self.alpha)
- self.ctx.set_operator(
- cairo.OPERATOR_OVER if primitive.level_polarity == 'dark' else cairo.OPERATOR_CLEAR)
- self.ctx.move_to(*[self.scale[0] * (coord + 0.015)
- for coord in position])
+ self.ctx.set_operator(cairo.OPERATOR_SOURCE
+ if primitive.level_polarity == 'dark' and
+ (not self.invert) else cairo.OPERATOR_CLEAR)
+ self.ctx.move_to(*[self.scale[0] * (coord + 0.015) for coord in position])
self.ctx.scale(1, -1)
self.ctx.show_text(primitive.net_name)
- self.ctx.scale(1, -1)
+ self.ctx.scale(1, -1)
- def _new_render_layer(self, color=None):
+ def _new_render_layer(self, color=None, mirror=False):
size_in_pixels = self.scale_point(self.size_in_inch)
+ matrix = copy.copy(self._xform_matrix)
layer = cairo.SVGSurface(None, size_in_pixels[0], size_in_pixels[1])
ctx = cairo.Context(layer)
- ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD)
ctx.scale(1, -1)
ctx.translate(-(self.origin_in_inch[0] * self.scale[0]),
- (-self.origin_in_inch[1] * self.scale[0])
- - size_in_pixels[1])
+ (-self.origin_in_inch[1] * self.scale[0]) - size_in_pixels[1])
if self.invert:
ctx.set_operator(cairo.OPERATOR_OVER)
- ctx.set_source_rgba(*self.color, alpha=self.alpha)
ctx.paint()
+ if mirror:
+ matrix.xx = -1.0
+ matrix.x0 = self.origin_in_pixels[0] + self.size_in_pixels[0]
self.ctx = ctx
self.active_layer = layer
+ self.active_matrix = matrix
- def _flatten(self):
- self.output_ctx.set_operator(cairo.OPERATOR_OVER)
-<<<<<<< HEAD
- ptn = cairo.SurfacePattern(self.active_layer)
-=======
+ def _flatten(self, color=None, alpha=None):
+ color = color if color is not None else self.color
+ alpha = alpha if alpha is not None else self.alpha
ptn = cairo.SurfacePattern(self.active_layer)
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
- ptn.set_matrix(self._xform_matrix)
- self.output_ctx.set_source(ptn)
- self.output_ctx.paint()
+ ptn.set_matrix(self.active_matrix)
+ self.output_ctx.set_source_rgba(*color, alpha=alpha)
+ self.output_ctx.mask(ptn)
self.ctx = None
self.active_layer = None
-
- def _paint_background(self, force=False):
- if (not self.bg) or force:
- self.bg = True
- self.output_ctx.set_operator(cairo.OPERATOR_OVER)
-<<<<<<< HEAD
- self.output_ctx.set_source_rgba(self.background_color[0], self.background_color[1], self.background_color[2], alpha=1.0)
- self.output_ctx.paint()
-
- def scale_point(self, point):
- return tuple([coord * scale for coord, scale in zip(point, self.scale)])
-=======
- self.output_ctx.set_source_rgba(*self.background_color, alpha=1.0)
+ self.active_matrix = None
+
+ def _paint_background(self, settings=None):
+ color = settings.color if settings is not None else self.background_color
+ alpha = settings.alpha if settings is not None else 1.0
+ if not self.has_bg:
+ self.has_bg = True
+ self.output_ctx.set_source_rgba(*color, alpha=alpha)
self.output_ctx.paint()
def scale_point(self, point):
return tuple([coord * scale for coord, scale in zip(point, self.scale)])
->>>>>>> 5476da8... Fix a bunch of rendering bugs.
diff --git a/gerber/render/render.py b/gerber/render/render.py
index b319648..79f43d6 100644
--- a/gerber/render/render.py
+++ b/gerber/render/render.py
@@ -45,7 +45,8 @@ class GerberContext(object):
Measurement units. 'inch' or 'metric'
color : tuple (<float>, <float>, <float>)
- Color used for rendering as a tuple of normalized (red, green, blue) values.
+ Color used for rendering as a tuple of normalized (red, green, blue)
+ values.
drill_color : tuple (<float>, <float>, <float>)
Color used for rendering drill hits. Format is the same as for `color`.
@@ -62,6 +63,7 @@ class GerberContext(object):
self._units = units
self._color = (0.7215, 0.451, 0.200)
self._background_color = (0.0, 0.0, 0.0)
+ self._drill_color = (0.0, 0.0, 0.0)
self._alpha = 1.0
self._invert = False
self.ctx = None
@@ -136,9 +138,9 @@ class GerberContext(object):
def render(self, primitive):
if not primitive:
return
-
+
self._pre_render_primitive(primitive)
-
+
color = self.color
if isinstance(primitive, Line):
self._render_line(primitive, color)
@@ -164,16 +166,16 @@ class GerberContext(object):
self._render_region(primitive, color)
elif isinstance(primitive, TestRecord):
self._render_test_record(primitive, color)
-
+
self._post_render_primitive(primitive)
-
+
def _pre_render_primitive(self, primitive):
"""
Called before rendering a primitive. Use the callback to perform some action before rendering
a primitive, for example adding a comment.
"""
return
-
+
def _post_render_primitive(self, primitive):
"""
Called after rendering a primitive. Use the callback to perform some action after rendering
@@ -182,7 +184,6 @@ class GerberContext(object):
return
-
def _render_line(self, primitive, color):
pass
@@ -206,10 +207,10 @@ class GerberContext(object):
def _render_drill(self, primitive, color):
pass
-
+
def _render_slot(self, primitive, color):
pass
-
+
def _render_amgroup(self, primitive, color):
pass
@@ -218,8 +219,8 @@ class GerberContext(object):
class RenderSettings(object):
-
- def __init__(self, color=(0.0, 0.0, 0.0), alpha=1.0, invert=False, mirror=False):
+ def __init__(self, color=(0.0, 0.0, 0.0), alpha=1.0, invert=False,
+ mirror=False):
self.color = color
self.alpha = alpha
self.invert = invert
diff --git a/gerber/render/rs274x_backend.py b/gerber/render/rs274x_backend.py
index b4b4612..13e871c 100644
--- a/gerber/render/rs274x_backend.py
+++ b/gerber/render/rs274x_backend.py
@@ -6,7 +6,7 @@ try:
from cStringIO import StringIO
except(ImportError):
from io import StringIO
-
+
from .render import GerberContext
from ..am_statements import *
from ..gerber_statements import *
@@ -15,27 +15,27 @@ from ..primitives import AMGroup, Arc, Circle, Line, Obround, Outline, Polygon,
class AMGroupContext(object):
'''A special renderer to generate aperature macros from an AMGroup'''
-
+
def __init__(self):
self.statements = []
-
+
def render(self, amgroup, name):
-
+
if amgroup.stmt:
# We know the statement it was generated from, so use that to create the AMParamStmt
# It will give a much better result
-
+
stmt = deepcopy(amgroup.stmt)
stmt.name = name
-
+
return stmt
-
+
else:
# Clone ourselves, then offset by the psotion so that
# our render doesn't have to consider offset. Just makes things simpler
nooffset_group = deepcopy(amgroup)
nooffset_group.position = (0, 0)
-
+
# Now draw the shapes
for primitive in nooffset_group.primitives:
if isinstance(primitive, Outline):
@@ -50,46 +50,46 @@ class AMGroupContext(object):
self._render_polygon(primitive)
else:
raise ValueError('amgroup')
-
+
statement = AMParamStmt('AM', name, self._statements_to_string())
return statement
-
+
def _statements_to_string(self):
macro = ''
for statement in self.statements:
macro += statement.to_gerber()
-
+
return macro
-
+
def _render_circle(self, circle):
self.statements.append(AMCirclePrimitive.from_primitive(circle))
-
+
def _render_rectangle(self, rectangle):
self.statements.append(AMCenterLinePrimitive.from_primitive(rectangle))
-
+
def _render_line(self, line):
self.statements.append(AMVectorLinePrimitive.from_primitive(line))
-
+
def _render_outline(self, outline):
self.statements.append(AMOutlinePrimitive.from_primitive(outline))
-
+
def _render_polygon(self, polygon):
self.statements.append(AMPolygonPrimitive.from_primitive(polygon))
-
+
def _render_thermal(self, thermal):
pass
-
+
class Rs274xContext(GerberContext):
-
+
def __init__(self, settings):
GerberContext.__init__(self)
self.comments = []
self.header = []
self.body = []
self.end = [EofStmt()]
-
+
# Current values so we know if we have to execute
# moves, levey changes before anything else
self._level_polarity = None
@@ -97,65 +97,65 @@ class Rs274xContext(GerberContext):
self._func = None
self._quadrant_mode = None
self._dcode = None
-
+
# Primarily for testing and comarison to files, should we write
# flashes as a single statement or a move plus flash? Set to true
# to do in a single statement. Normally this can be false
self.condensed_flash = True
-
+
# When closing a region, force a D02 staement to close a region.
# This is normally not necessary because regions are closed with a G37
# staement, but this will add an extra statement for doubly close
# the region
self.explicit_region_move_end = False
-
+
self._next_dcode = 10
self._rects = {}
self._circles = {}
self._obrounds = {}
self._polygons = {}
self._macros = {}
-
+
self._i_none = 0
self._j_none = 0
-
+
self.settings = settings
self._start_header(settings)
-
+
def _start_header(self, settings):
self.header.append(FSParamStmt.from_settings(settings))
self.header.append(MOParamStmt.from_units(settings.units))
-
+
def _simplify_point(self, point):
return (point[0] if point[0] != self._pos[0] else None, point[1] if point[1] != self._pos[1] else None)
-
+
def _simplify_offset(self, point, offset):
-
+
if point[0] != offset[0]:
xoffset = point[0] - offset[0]
else:
xoffset = self._i_none
-
+
if point[1] != offset[1]:
yoffset = point[1] - offset[1]
else:
yoffset = self._j_none
-
+
return (xoffset, yoffset)
-
+
@property
def statements(self):
return self.comments + self.header + self.body + self.end
-
+
def set_bounds(self, bounds):
pass
-
+
def _paint_background(self):
pass
-
+
def _select_aperture(self, aperture):
-
+
# Select the right aperture if not already selected
if aperture:
if isinstance(aperture, Circle):
@@ -168,61 +168,61 @@ class Rs274xContext(GerberContext):
aper = self._get_amacro(aperture)
else:
raise NotImplementedError('Line with invalid aperture type')
-
+
if aper.d != self._dcode:
self.body.append(ApertureStmt(aper.d))
self._dcode = aper.d
-
+
def _pre_render_primitive(self, primitive):
-
+
if hasattr(primitive, 'comment'):
self.body.append(CommentStmt(primitive.comment))
-
+
def _render_line(self, line, color):
-
+
self._select_aperture(line.aperture)
-
+
self._render_level_polarity(line)
-
+
# Get the right function
if self._func != CoordStmt.FUNC_LINEAR:
func = CoordStmt.FUNC_LINEAR
else:
func = None
self._func = CoordStmt.FUNC_LINEAR
-
+
if self._pos != line.start:
self.body.append(CoordStmt.move(func, self._simplify_point(line.start)))
self._pos = line.start
# We already set the function, so the next command doesn't require that
func = None
-
+
point = self._simplify_point(line.end)
-
+
# In some files, we see a lot of duplicated ponts, so omit those
if point[0] != None or point[1] != None:
self.body.append(CoordStmt.line(func, self._simplify_point(line.end)))
self._pos = line.end
elif func:
self.body.append(CoordStmt.mode(func))
-
+
def _render_arc(self, arc, color):
-
+
# Optionally set the quadrant mode if it has changed:
if arc.quadrant_mode != self._quadrant_mode:
-
+
if arc.quadrant_mode != 'multi-quadrant':
self.body.append(QuadrantModeStmt.single())
else:
self.body.append(QuadrantModeStmt.multi())
-
+
self._quadrant_mode = arc.quadrant_mode
-
+
# Select the right aperture if not already selected
self._select_aperture(arc.aperture)
-
+
self._render_level_polarity(arc)
-
+
# Find the right movement mode. Always set to be sure it is really right
dir = arc.direction
if dir == 'clockwise':
@@ -233,59 +233,59 @@ class Rs274xContext(GerberContext):
self._func = CoordStmt.FUNC_ARC_CCW
else:
raise ValueError('Invalid circular interpolation mode')
-
+
if self._pos != arc.start:
# TODO I'm not sure if this is right
self.body.append(CoordStmt.move(CoordStmt.FUNC_LINEAR, self._simplify_point(arc.start)))
self._pos = arc.start
-
+
center = self._simplify_offset(arc.center, arc.start)
end = self._simplify_point(arc.end)
self.body.append(CoordStmt.arc(func, end, center))
self._pos = arc.end
def _render_region(self, region, color):
-
+
self._render_level_polarity(region)
-
+
self.body.append(RegionModeStmt.on())
-
+
for p in region.primitives:
-
+
if isinstance(p, Line):
self._render_line(p, color)
else:
self._render_arc(p, color)
-
+
if self.explicit_region_move_end:
self.body.append(CoordStmt.move(None, None))
self.body.append(RegionModeStmt.off())
-
+
def _render_level_polarity(self, region):
if region.level_polarity != self._level_polarity:
self._level_polarity = region.level_polarity
self.body.append(LPParamStmt.from_region(region))
-
+
def _render_flash(self, primitive, aperture):
-
+
self._render_level_polarity(primitive)
-
+
if aperture.d != self._dcode:
self.body.append(ApertureStmt(aperture.d))
self._dcode = aperture.d
-
+
if self.condensed_flash:
self.body.append(CoordStmt.flash(self._simplify_point(primitive.position)))
else:
self.body.append(CoordStmt.move(None, self._simplify_point(primitive.position)))
self.body.append(CoordStmt.flash(None))
-
+
self._pos = primitive.position
-
+
def _get_circle(self, diameter, hole_diameter, dcode = None):
'''Define a circlar aperture'''
-
+
aper = self._circles.get((diameter, hole_diameter), None)
if not aper:
@@ -294,13 +294,13 @@ class Rs274xContext(GerberContext):
self._next_dcode += 1
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
-
+
aper = ADParamStmt.circle(dcode, diameter, hole_diameter)
self._circles[(diameter, hole_diameter)] = aper
self.header.append(aper)
return aper
-
+
def _render_circle(self, circle, color):
aper = self._get_circle(circle.diameter, circle.hole_diameter)
@@ -308,122 +308,122 @@ class Rs274xContext(GerberContext):
def _get_rectangle(self, width, height, dcode = None):
'''Get a rectanglar aperture. If it isn't defined, create it'''
-
+
key = (width, height)
aper = self._rects.get(key, None)
-
+
if not aper:
if not dcode:
dcode = self._next_dcode
self._next_dcode += 1
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
-
+
aper = ADParamStmt.rect(dcode, width, height)
self._rects[(width, height)] = aper
self.header.append(aper)
-
+
return aper
def _render_rectangle(self, rectangle, color):
-
+
aper = self._get_rectangle(rectangle.width, rectangle.height)
self._render_flash(rectangle, aper)
-
+
def _get_obround(self, width, height, dcode = None):
-
+
key = (width, height)
aper = self._obrounds.get(key, None)
-
+
if not aper:
if not dcode:
dcode = self._next_dcode
self._next_dcode += 1
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
-
+
aper = ADParamStmt.obround(dcode, width, height)
self._obrounds[key] = aper
self.header.append(aper)
-
+
return aper
-
+
def _render_obround(self, obround, color):
-
+
aper = self._get_obround(obround.width, obround.height)
self._render_flash(obround, aper)
-
+
def _render_polygon(self, polygon, color):
-
+
aper = self._get_polygon(polygon.radius, polygon.sides, polygon.rotation, polygon.hole_radius)
self._render_flash(polygon, aper)
-
+
def _get_polygon(self, radius, num_vertices, rotation, hole_radius, dcode = None):
-
+
key = (radius, num_vertices, rotation, hole_radius)
aper = self._polygons.get(key, None)
-
+
if not aper:
if not dcode:
dcode = self._next_dcode
self._next_dcode += 1
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
-
+
aper = ADParamStmt.polygon(dcode, radius * 2, num_vertices, rotation, hole_radius * 2)
self._polygons[key] = aper
self.header.append(aper)
-
+
return aper
-
+
def _render_drill(self, drill, color):
raise ValueError('Drills are not valid in RS274X files')
-
+
def _hash_amacro(self, amgroup):
'''Calculate a very quick hash code for deciding if we should even check AM groups for comparision'''
-
+
# We always start with an X because this forms part of the name
# Basically, in some cases, the name might start with a C, R, etc. That can appear
# to conflict with normal aperture definitions. Technically, it shouldn't because normal
# aperture definitions should have a comma, but in some cases the commit is omitted
hash = 'X'
for primitive in amgroup.primitives:
-
+
hash += primitive.__class__.__name__[0]
-
+
bbox = primitive.bounding_box
hash += str((bbox[0][1] - bbox[0][0]) * 100000)[0:2]
hash += str((bbox[1][1] - bbox[1][0]) * 100000)[0:2]
-
+
if hasattr(primitive, 'primitives'):
hash += str(len(primitive.primitives))
-
+
if isinstance(primitive, Rectangle):
hash += str(primitive.width * 1000000)[0:2]
hash += str(primitive.height * 1000000)[0:2]
elif isinstance(primitive, Circle):
hash += str(primitive.diameter * 1000000)[0:2]
-
+
if len(hash) > 20:
# The hash might actually get quite complex, so stop before
# it gets too long
break
-
+
return hash
def _get_amacro(self, amgroup, dcode = None):
# Macros are a little special since we don't have a good way to compare them quickly
# but in most cases, this should work
-
+
hash = self._hash_amacro(amgroup)
macro = None
macroinfo = self._macros.get(hash, None)
-
+
if macroinfo:
-
+
# We have a definition, but check that the groups actually are the same
for macro in macroinfo:
-
+
# Macros should have positions, right? But if the macro is selected for non-flashes
# then it won't have a position. This is of course a bad gerber, but they do exist
if amgroup.position:
@@ -435,7 +435,7 @@ class Rs274xContext(GerberContext):
if amgroup.equivalent(macro[1], offset):
break
macro = None
-
+
# Did we find one in the group0
if not macro:
# This is a new macro, so define it
@@ -444,52 +444,51 @@ class Rs274xContext(GerberContext):
self._next_dcode += 1
else:
self._next_dcode = max(dcode + 1, self._next_dcode)
-
+
# Create the statements
# TODO
amrenderer = AMGroupContext()
statement = amrenderer.render(amgroup, hash)
-
+
self.header.append(statement)
-
+
aperdef = ADParamStmt.macro(dcode, hash)
self.header.append(aperdef)
-
+
# Store the dcode and the original so we can check if it really is the same
# If it didn't have a postition, set it to 0, 0
if amgroup.position == None:
amgroup.position = (0, 0)
macro = (aperdef, amgroup)
-
+
if macroinfo:
macroinfo.append(macro)
else:
- self._macros[hash] = [macro]
-
+ self._macros[hash] = [macro]
+
return macro[0]
-
+
def _render_amgroup(self, amgroup, color):
-
+
aper = self._get_amacro(amgroup)
self._render_flash(amgroup, aper)
def _render_inverted_layer(self):
pass
-
+
def _new_render_layer(self):
# TODO Might need to implement this
pass
-
+
def _flatten(self):
# TODO Might need to implement this
pass
-
+
def dump(self):
"""Write the rendered file to a StringIO steam"""
statements = map(lambda stmt: stmt.to_gerber(self.settings), self.statements)
stream = StringIO()
for statement in statements:
stream.write(statement + '\n')
-
+
return stream
- \ No newline at end of file
diff --git a/gerber/render/theme.py b/gerber/render/theme.py
index 6135ccb..2887216 100644
--- a/gerber/render/theme.py
+++ b/gerber/render/theme.py
@@ -25,12 +25,12 @@ COLORS = {
'green': (0.0, 1.0, 0.0),
'blue': (0.0, 0.0, 1.0),
'fr-4': (0.290, 0.345, 0.0),
- 'green soldermask': (0.0, 0.612, 0.396),
+ 'green soldermask': (0.0, 0.412, 0.278),
'blue soldermask': (0.059, 0.478, 0.651),
'red soldermask': (0.968, 0.169, 0.165),
'black soldermask': (0.298, 0.275, 0.282),
'purple soldermask': (0.2, 0.0, 0.334),
- 'enig copper': (0.686, 0.525, 0.510),
+ 'enig copper': (0.694, 0.533, 0.514),
'hasl copper': (0.871, 0.851, 0.839)
}
@@ -39,13 +39,13 @@ class Theme(object):
def __init__(self, name=None, **kwargs):
self.name = 'Default' if name is None else name
- self.background = kwargs.get('background', RenderSettings(COLORS['black'], alpha=0.0))
+ self.background = kwargs.get('background', RenderSettings(COLORS['fr-4']))
self.topsilk = kwargs.get('topsilk', RenderSettings(COLORS['white']))
- self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white']))
- self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True))
- self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.8, invert=True))
+ self.bottomsilk = kwargs.get('bottomsilk', RenderSettings(COLORS['white'], mirror=True))
+ self.topmask = kwargs.get('topmask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True))
+ self.bottommask = kwargs.get('bottommask', RenderSettings(COLORS['green soldermask'], alpha=0.85, invert=True, mirror=True))
self.top = kwargs.get('top', RenderSettings(COLORS['hasl copper']))
- self.bottom = kwargs.get('top', RenderSettings(COLORS['hasl copper']))
+ self.bottom = kwargs.get('bottom', RenderSettings(COLORS['hasl copper'], mirror=True))
self.drill = kwargs.get('drill', RenderSettings(COLORS['black']))
self.ipc_netlist = kwargs.get('ipc_netlist', RenderSettings(COLORS['red']))
@@ -53,18 +53,28 @@ class Theme(object):
return getattr(self, key)
def get(self, key, noneval=None):
- val = getattr(self, key)
+ val = getattr(self, key, None)
return val if val is not None else noneval
THEMES = {
'default': Theme(),
'OSH Park': Theme(name='OSH Park',
+ background=RenderSettings(COLORS['purple soldermask']),
top=RenderSettings(COLORS['enig copper']),
- bottom=RenderSettings(COLORS['enig copper']),
- topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True),
- bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.8, invert=True)),
+ bottom=RenderSettings(COLORS['enig copper'], mirror=True),
+ topmask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True),
+ bottommask=RenderSettings(COLORS['purple soldermask'], alpha=0.85, invert=True, mirror=True),
+ topsilk=RenderSettings(COLORS['white'], alpha=0.8),
+ bottomsilk=RenderSettings(COLORS['white'], alpha=0.8, mirror=True)),
+
'Blue': Theme(name='Blue',
topmask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True),
bottommask=RenderSettings(COLORS['blue soldermask'], alpha=0.8, invert=True)),
+
+ 'Transparent Copper': Theme(name='Transparent',
+ background=RenderSettings((0.9, 0.9, 0.9)),
+ top=RenderSettings(COLORS['red'], alpha=0.5),
+ bottom=RenderSettings(COLORS['blue'], alpha=0.5),
+ drill=RenderSettings((0.3, 0.3, 0.3))),
}