def update_draw_object_columns(self):
unit = self.unit
max_large_ml = self.large_mark_line_max_length
min_large_ml = self.large_mark_line_min_length
def _make_segment():
segment = HorizontalLineSegment(length=node.value * unit)
ml_length = (max_large_ml -
(node.get_distance() * (max_large_ml - min_large_ml) /
self._fractal_tree.number_of_layers)) / 2
segment.start_mark_line.length = ml_length
segment.end_mark_line.length = ml_length
return segment
for node in self._fractal_tree.traverse():
node.graphic._draw_object_column = DrawObjectColumn()
node.graphic._draw_object_column.add_draw_object(_make_segment())
if node.get_children():
node.graphic._draw_object_column.add_draw_object(
DrawObjectRow(top_margin=3))
if node.up:
node.up.graphic._draw_object_column.draw_objects[
1].add_draw_object(node.graphic)
if not node.up or node.up.get_children().index(node) == len(
node.up.get_children()) - 1:
node.graphic._draw_object_column.draw_objects[
0].end_mark_line.show = True
node.graphic._draw_object_column.draw_objects[
0].end_mark_line.length *= 2
if not node.up or node.up.get_children().index(node) == 0:
node.graphic._draw_object_column.draw_objects[
0].start_mark_line.length *= 2
def _make_column(self):
c = DrawObjectColumn()
c.add_draw_object(HorizontalLineSegment(10))
do2 = c.add_draw_object(HorizontalLineSegment(20))
c.add_draw_object(VerticalSegmentedLine(lengths=[5, 6, 7, 8]))
do2.start_mark_line.length = 6
self.column = c
def test_with_clipping_area(self):
c = DrawObjectColumn()
c.bottom_margin = 60
c.add_draw_object(HorizontalRuler(length=1200, bottom_margin=5))
c.add_draw_object(HorizontalSegmentedLine(lengths=600 * [2]))
ca = ClippingArea(self.pdf, draw_object=c)
self.pdf.translate_page_margins()
ca.draw()
with self.file_path(path, 'with_clipping_area', 'pdf') as pdf_path:
self.pdf.write(pdf_path)
def test_column_page_break(self):
self.pdf.t_margin = 15
def _prepare_page():
self.pdf.translate_page_margins()
self.pdf.draw_ruler('v')
self.pdf.draw_ruler('h')
self.pdf.translate(clip_area_left_margin, clip_area_top_margin)
def _add_page():
self.pdf.add_page()
_prepare_page()
def draw_with_clip(index):
with self.pdf.saved_state():
self.pdf.clip_rect(-1, -5, clip_area_width + 1.14,
clip_area_height)
self.pdf.translate(index * -clip_area_width, 0)
c.draw(self.pdf)
c = DrawObjectColumn()
c.bottom_margin = 60
c.add_draw_object(HorizontalRuler(length=1200, bottom_margin=5))
c.add_draw_object(HorizontalSegmentedLine(lengths=600 * [2]))
clip_area_left_margin = 10
clip_area_top_margin = 10
clip_area_width = self.pdf.w - self.pdf.l_margin - self.pdf.r_margin - clip_area_left_margin
clip_area_height = c.get_height()
with self.file_path(path, 'column_page_break', 'pdf') as pdf_path:
_prepare_page()
number_of_rows = int(ceil(c.get_width() / clip_area_width))
for index in range(number_of_rows):
if index != 0:
self.pdf.translate(0, c.get_height())
if self.pdf.absolute_y > self.pdf.h - self.pdf.b_margin:
_add_page()
draw_with_clip(index)
self.pdf.write(pdf_path)
def test_draw_row_of_column_of_segments(self):
c = DrawObjectColumn()
c.add_draw_object(HorizontalLineSegment(30))
c.add_draw_object(HorizontalLineSegment(10))
c.add_draw_object(HorizontalLineSegment(20))
r = DrawObjectRow()
r.add_draw_object(c)
with self.file_path(path, 'draw_row_of_column_of_segments', 'pdf') as pdf_path:
self.pdf.translate_page_margins()
self.pdf.draw_ruler('h')
self.pdf.draw_ruler('v')
self.pdf.translate(10, 10)
c.draw(self.pdf)
self.pdf.write(pdf_path)
def test_column_line_break(self):
def draw_with_clip(index):
with self.pdf.saved_state():
self.pdf.clip_rect(-1, -5, 196, 50)
self.pdf.translate(index * -190, 0)
c.draw(self.pdf)
c = DrawObjectColumn()
c.bottom_margin = 10
c.add_draw_object(HorizontalRuler(length=800))
c.add_draw_object(HorizontalSegmentedLine(lengths=400 * [2]))
with self.file_path(path, 'column_line_break', 'pdf') as pdf_path:
self.pdf.translate_page_margins()
number_of_rows = int(ceil(c.get_width() / 190))
for index in range(number_of_rows):
if index != 0:
self.pdf.translate(0, c.get_height())
draw_with_clip(index)
self.pdf.write(pdf_path)
def test_clipped_draw(self):
c = DrawObjectColumn()
c.bottom_margin = 60
c.add_draw_object(HorizontalRuler(length=1200, bottom_margin=5))
c.add_draw_object(HorizontalSegmentedLine(lengths=600 * [2]))
self.pdf.translate_page_margins()
title = PageText('A very nice title',
v_position='center',
font_weight='bold',
font_size=12,
top_margin=10)
title.draw(self.pdf)
self.pdf.translate(0, title.get_height())
c.clipped_draw(self.pdf)
for page in self.pdf.pages:
self.pdf.page = page
self.pdf.reset_position()
self.pdf.translate_page_margins()
self.pdf.draw_ruler('h')
self.pdf.draw_ruler('v')
with self.file_path(path, 'clipped_draw', 'pdf') as pdf_path:
self.pdf.write(pdf_path)
def fill_tree_with_columns(fractal_tree, factor=1):
max_large_ml = 6
min_large_ml = 3
for node in fractal_tree.traverse():
node.manual_graphic = DrawObjectColumn()
segment = node.manual_graphic.add_draw_object(
HorizontalLineSegment(length=node.value * factor))
ml_length = (max_large_ml -
(node.get_distance() * (max_large_ml - min_large_ml) /
fractal_tree.number_of_layers)) / 2
segment.start_mark_line.length = ml_length
segment.end_mark_line.length = ml_length
if node.get_children():
node.children_manual_graphics_row = node.manual_graphic.add_draw_object(
DrawObjectRow(top_margin=3))
if node.up:
node.up.children_manual_graphics_row.add_draw_object(
node.manual_graphic)
if not node.up or node.up.get_children().index(node) == len(
node.up.get_children()) - 1:
node.manual_graphic.draw_objects[0].end_mark_line.show = True
node.manual_graphic.draw_objects[0].end_mark_line.length *= 2
if not node.up or node.up.get_children().index(node) == 0:
node.manual_graphic.draw_objects[0].start_mark_line.length *= 2