Datasets:
jblitzar
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github-python-corpus

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w = int(new_bounds.bounds[2])
h = int(new_bounds.bounds[3])
collides = self.collides_with_existent_stencil(x, y)
if collides == -1:
cliparea = StencilView(pos=(x, y), size=(w, h))
self.clip_rectangles.append(cliparea)
self.widget.add_widget(cliparea)
return len(self.clip_rectangles) - 1
else:
return collides
else:
return -2
def draw_path_collection(self, gc, master_transform, paths, all_transforms,
offsets, offsetTrans, facecolors, edgecolors,
linewidths, linestyles, antialiaseds, urls,
offset_position):
'''Draws a collection of paths selecting drawing properties from
the lists *facecolors*, *edgecolors*, *linewidths*,
*linestyles* and *antialiaseds*. *offsets* is a list of
offsets to apply to each of the paths. The offsets in
*offsets* are first transformed by *offsetTrans* before being
applied. *offset_position* may be either "screen" or "data"
depending on the space that the offsets are in.
'''
len_path = len(paths[0].vertices) if len(paths) > 0 else 0
uses_per_path = self._iter_collection_uses_per_path(
paths, all_transforms, offsets, facecolors, edgecolors)
# check whether an optimization is needed by calculating the cost of
# generating and use a path with the cost of emitting a path in-line.
should_do_optimization = \
len_path + uses_per_path + 5 < len_path * uses_per_path
if not should_do_optimization:
return RendererBase.draw_path_collection(
self, gc, master_transform, paths, all_transforms,
offsets, offsetTrans, facecolors, edgecolors,
linewidths, linestyles, antialiaseds, urls,
offset_position)
# Generate an array of unique paths with the respective transformations
path_codes = []
for i, (path, transform) in enumerate(self._iter_collection_raw_paths(
master_transform, paths, all_transforms)):
transform = Affine2D(transform.get_matrix()).scale(1.0, -1.0)
if _mpl_ge_2_0:
polygons = path.to_polygons(transform, closed_only=False)
else:
polygons = path.to_polygons(transform)
path_codes.append(polygons)
# Apply the styles and rgbFace to each one of the raw paths from
# the list. Additionally a transformation is being applied to
# translate each independent path
for xo, yo, path_poly, gc0, rgbFace in self._iter_collection(
gc, master_transform, all_transforms, path_codes, offsets,
offsetTrans, facecolors, edgecolors, linewidths, linestyles,
antialiaseds, urls, offset_position):
list_canvas_instruction = self.get_path_instructions(gc0, path_poly,
closed=True, rgbFace=rgbFace)
for widget, instructions in list_canvas_instruction:
widget.canvas.add(PushMatrix())
widget.canvas.add(Translate(xo, yo))
widget.canvas.add(instructions)
widget.canvas.add(PopMatrix())
def collides_with_existent_stencil(self, x, y):
'''Check all the clipareas and returns the index of the clip area that
contains this point. The point x, y is given in kivy coordinates.
'''
idx = -1
for cliparea in self.clip_rectangles:
idx += 1
if self.contains(cliparea, x, y):
return idx
return -1
def get_path_instructions(self, gc, polygons, closed=False, rgbFace=None):
'''With a graphics context and a set of polygons it returns a list
of InstructionGroups required to render the path.
'''
instructions_list = []
points_line = []
for polygon in polygons:
for x, y in polygon:
x = x + self.widget.x
y = y + self.widget.y
points_line += [float(x), float(y), ]
tess = Tesselator()
tess.add_contour(points_line)
if not tess.tesselate():
Logger.warning("Tesselator didn't work :(")
return
newclip = self.handle_clip_rectangle(gc, x, y)
if newclip > -1:
instructions_list.append((self.clip_rectangles[newclip],
self.get_graphics(gc, tess, points_line, rgbFace,
closed=closed)))
else:
instructions_list.append((self.widget,
self.get_graphics(gc, tess, points_line, rgbFace,
closed=closed)))
return instructions_list