def addClippedPoly(self, polygon, **attr):
"""fe.addClippedPoly(polygon, ...)
Adds and returns exactly fig.Polygon objects for each part of
the given polygon which is in the clipping range. Again, note
the possibility of setting properties (depth, penColor,
lineStyle, lineWidth, ...) on all resulting objects via
keyword arguments (cf. documentation of the FigExporter
class).
If simplifyEpsilon (default: 0.5) is not None, simplifyPolygon
is called on the *scaled* polygon (i.e. the default is to
simplify the polygon to 0.5 fig units, which are integer
anyways)."""
if "fillColor" in attr and not "fillStyle" in attr:
attr["fillStyle"] = fig.FillStyle.Solid
# no ROI to clip to?
if not self.roi:
return [self.addEdge(polygon, **attr)]
if type(polygon) != Polygon:
if not isinstance(polygon, list):
polygon = Polygon(list(polygon))
else:
polygon = Polygon(polygon)
clipRect = BoundingBox(self.roi)
o = self.offset + attr.get('offset', (0, 0))
clipRect.moveBy(-o)
# handle all-or-none cases:
if not clipRect.intersects(polygon.boundingBox()):
return []
if clipRect.contains(polygon.boundingBox()):
return [self.addEdge(polygon, **attr)]
# general case: perform clipping, add parts one-by-one:
result = [] # fig.Compound(container) - I dont't dare grouping here..
closeAtBorder = (attr.get("fillStyle", fig.FillStyle.None) !=
fig.FillStyle.None)
for part in clipPoly(polygon, clipRect, closeAtBorder):
if part.length(): # don't add zero-length polygons
result.append(self.addEdge(part, **attr))
return result
def addClippedPoly(self, polygon, **attr):
"""fe.addClippedPoly(polygon, ...)
Adds and returns exactly fig.Polygon objects for each part of
the given polygon which is in the clipping range. Again, note
the possibility of setting properties (depth, penColor,
lineStyle, lineWidth, ...) on all resulting objects via
keyword arguments (cf. documentation of the FigExporter
class).
If simplifyEpsilon (default: 0.5) is not None, simplifyPolygon
is called on the *scaled* polygon (i.e. the default is to
simplify the polygon to 0.5 fig units, which are integer
anyways)."""
if "fillColor" in attr and not "fillStyle" in attr:
attr["fillStyle"] = fig.FillStyle.Solid
# no ROI to clip to?
if not self.roi:
return [self.addEdge(polygon, **attr)]
if type(polygon) != Polygon:
if not isinstance(polygon, list):
polygon = Polygon(list(polygon))
else:
polygon = Polygon(polygon)
clipRect = BoundingBox(self.roi)
o = self.offset + attr.get('offset', (0,0))
clipRect.moveBy(-o)
# handle all-or-none cases:
if not clipRect.intersects(polygon.boundingBox()):
return []
if clipRect.contains(polygon.boundingBox()):
return [self.addEdge(polygon, **attr)]
# general case: perform clipping, add parts one-by-one:
result = [] # fig.Compound(container) - I dont't dare grouping here..
closeAtBorder = (
attr.get("fillStyle", fig.FillStyle.None) != fig.FillStyle.None)
for part in clipPoly(polygon, clipRect, closeAtBorder):
if part.length(): # don't add zero-length polygons
result.append(self.addEdge(part, **attr))
return result
def addROIRect(self, roi=None, container=True, **attr):
"""fe.addROIRect(roi, depth = 85, ...)
Adds a rectangle around the given roi (ignoring fe.offset).
If roi == None (default), the roi of the FigExporter itself is used.
The fig.PolyBox object is returned."""
assert roi or self.roi, "addROIRect(): no ROI given!?"
if container == True:
container = self.f
if isinstance(roi, Rect2D):
roi = BoundingBox(roi)
roi.moveBy((-0.5, -0.5))
if roi is None:
roi = self.roi
assert not isinstance(roi, Rect2D)
roi = BoundingBox(roi)
roi.moveBy(-self.offset) # BAAH! What a bad design (self.roi)
elif self.roi and not self.roi.contains(roi):
sys.stderr.write("WARNING: addROIRect: ROI out of bounds!\n")
poly = Polygon([
roi.begin(),
roi.begin() + (0, roi.size()[1]),
roi.end(),
roi.begin() + (roi.size()[0], 0),
roi.begin()
])
result = self.addClippedPoly(poly, container=container, **attr)
if result:
assert len(result) == 1
return result[0]
return
roi = BoundingBox(roi)
roi.moveBy(self.offset)
if self.roi:
roi.moveBy(-self.roi.begin())
if "fillColor" in attr and not "fillStyle" in attr:
attr["fillStyle"] = fig.FillStyle.Solid
result = fig.PolyBox(roi.begin()[0] * self.scale,
roi.begin()[1] * self.scale,
roi.end()[0] * self.scale,
roi.end()[1] * self.scale)
container.append(result)
for a in attr:
setattr(result, a, attr[a])
return result
def addROIRect(self, roi = None, container = True, **attr):
"""fe.addROIRect(roi, depth = 85, ...)
Adds a rectangle around the given roi (ignoring fe.offset).
If roi == None (default), the roi of the FigExporter itself is used.
The fig.PolyBox object is returned."""
assert roi or self.roi, "addROIRect(): no ROI given!?"
if container == True:
container = self.f
if isinstance(roi, Rect2D):
roi = BoundingBox(roi)
roi.moveBy((-0.5, -0.5))
if roi is None:
roi = self.roi
assert not isinstance(roi, Rect2D)
roi = BoundingBox(roi)
roi.moveBy(-self.offset) # BAAH! What a bad design (self.roi)
elif self.roi and not self.roi.contains(roi):
sys.stderr.write("WARNING: addROIRect: ROI out of bounds!\n")
poly = Polygon([roi.begin(), roi.begin() + (0, roi.size()[1]),
roi.end(), roi.begin() + (roi.size()[0], 0),
roi.begin()])
result = self.addClippedPoly(poly,
container = container,
**attr)
if result:
assert len(result) == 1
return result[0]
return
roi = BoundingBox(roi)
roi.moveBy(self.offset)
if self.roi:
roi.moveBy(-self.roi.begin())
if "fillColor" in attr and not "fillStyle" in attr:
attr["fillStyle"] = fig.FillStyle.Solid
result = fig.PolyBox(roi.begin()[0] * self.scale,
roi.begin()[1] * self.scale,
roi.end()[0] * self.scale,
roi.end()[1] * self.scale)
container.append(result)
for a in attr:
setattr(result, a, attr[a])
return result
