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-rw-r--r--gerber/render/cairo_backend.py167
1 files changed, 43 insertions, 124 deletions
diff --git a/gerber/render/cairo_backend.py b/gerber/render/cairo_backend.py
index 8c7232f..77d413e 100644
--- a/gerber/render/cairo_backend.py
+++ b/gerber/render/cairo_backend.py
@@ -12,15 +12,15 @@
# 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
@@ -139,35 +139,20 @@ class GerberCairoContext(GerberContext):
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 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 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)
@@ -190,9 +175,8 @@ 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"\
@@ -200,51 +184,26 @@ class GerberCairoContext(GerberContext):
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_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_line_width(0)
self.ctx.set_line_cap(cairo.LINE_CAP_ROUND)
self.ctx.move_to(*self.scale_point(region.primitives[0].start))
@@ -262,8 +221,9 @@ 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:
@@ -274,47 +234,30 @@ class GerberCairoContext(GerberContext):
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_line_width(0)
self.ctx.arc(center[0], center[1], 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.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.
+ self.ctx.pop_group_to_source()
+ self.ctx.paint_with_alpha(1)
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
@@ -323,10 +266,10 @@ class GerberCairoContext(GerberContext):
else:
self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
self.ctx.set_operator(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])
@@ -335,14 +278,14 @@ 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.fill()
-
+
if rectangle.hole_diameter > 0:
# Render the center clear
self.ctx.set_source_rgba(color[0], color[1], color[2], self.alpha)
@@ -350,42 +293,30 @@ class GerberCairoContext(GerberContext):
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.fill()
-
+
self.ctx.pop_group_to_source()
self.ctx.paint_with_alpha(1)
-
+
if rectangle.rotation != 0:
- self.ctx.restore()
-=======
+ 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.
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)
@@ -393,12 +324,12 @@ class GerberCairoContext(GerberContext):
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.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)
@@ -406,44 +337,44 @@ class GerberCairoContext(GerberContext):
else:
self.ctx.set_source_rgba(0.0, 0.0, 0.0, 1.0)
self.ctx.set_operator(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)
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.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)
@@ -456,7 +387,7 @@ class GerberCairoContext(GerberContext):
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:
@@ -478,7 +409,7 @@ class GerberCairoContext(GerberContext):
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):
size_in_pixels = self.scale_point(self.size_in_inch)
@@ -498,11 +429,7 @@ class GerberCairoContext(GerberContext):
def _flatten(self):
self.output_ctx.set_operator(cairo.OPERATOR_OVER)
-<<<<<<< HEAD
- ptn = cairo.SurfacePattern(self.active_layer)
-=======
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()
@@ -510,19 +437,11 @@ class GerberCairoContext(GerberContext):
self.active_layer = None
def _paint_background(self, force=False):
- if (not self.bg) or force:
+ 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.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.
generated by cgit (git 2.34.1) at 2024-11-05 05:38:47 +0000