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adding anchored position example #30

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Merged
merged 2 commits into from
Jan 29, 2020
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adding anchored position example #30

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adding anchored position example
FoamyGuy Jan 29, 2020
8ca3c1a
remove unneeded prints, make the 'text' variable more like a constant…
FoamyGuy Jan 29, 2020
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67 changes: 67 additions & 0 deletions examples/display_text_anchored_position.py
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Original file line number Diff line number Diff line change
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"""
This examples shows the use of anchor_point and anchored_position.
"""
import board
import terminalio
from adafruit_display_text import label
import displayio

DISPLAY_WIDTH = 320
DISPLAY_HEIGHT = 240

text_group = displayio.Group(max_size=9)
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This might be better moved to just before your first text_group.append line below.

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I like it, better to keep the text_group setup together than have it split by all of the lines setting up labels. I will make this change along with the others in the next commit

text = "Hello"
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This is like a const, so maybe change it to TEXT and move it up by the DISPLAY_ defs?

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Yep, agreed. Will do.

text_area_top_left = label.Label(terminalio.FONT, text=text)
text_area_top_left.anchor_point = (0.0, 0.0)
text_area_top_left.anchored_position = (10, 10)

text_area_top_middle = label.Label(terminalio.FONT, text=text)
text_area_top_middle.anchor_point = (0.5, 0.0)
text_area_top_middle.anchored_position = (DISPLAY_WIDTH/2, 10)

text_area_top_right = label.Label(terminalio.FONT, text=text)
text_area_top_right.anchor_point = (1.0, 0.0)
text_area_top_right.anchored_position = (DISPLAY_WIDTH-10, 10)

text_area_middle_left = label.Label(terminalio.FONT, text=text)
text_area_middle_left.anchor_point = (0.0, 0.5)
text_area_middle_left.anchored_position = (10,DISPLAY_HEIGHT/2)

text_area_middle_middle = label.Label(terminalio.FONT, text=text)
text_area_middle_middle.anchor_point = (0.5, 0.5)
text_area_middle_middle.anchored_position = (DISPLAY_WIDTH/2,DISPLAY_HEIGHT/2)

text_area_middle_right = label.Label(terminalio.FONT, text=text)
text_area_middle_right.anchor_point = (1.0, 0.5)
text_area_middle_right.anchored_position = (DISPLAY_WIDTH-10, DISPLAY_HEIGHT/2)


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extra line

text_area_bottom_left = label.Label(terminalio.FONT, text=text)
text_area_bottom_left.anchor_point = (0.0, 1.0)
text_area_bottom_left.anchored_position = (10, DISPLAY_HEIGHT)

text_area_bottom_middle = label.Label(terminalio.FONT, text=text)
text_area_bottom_middle.anchor_point = (0.5, 1.0)
text_area_bottom_middle.anchored_position = (DISPLAY_WIDTH/2, DISPLAY_HEIGHT)

text_area_bottom_right = label.Label(terminalio.FONT, text=text)
text_area_bottom_right.anchor_point = (1.0, 1.0)
text_area_bottom_right.anchored_position = (DISPLAY_WIDTH-10, DISPLAY_HEIGHT)

text_group.append(text_area_top_middle)
text_group.append(text_area_top_left)
text_group.append(text_area_top_right)
text_group.append(text_area_middle_middle)
text_group.append(text_area_middle_left)
text_group.append(text_area_middle_right)
text_group.append(text_area_bottom_middle)
text_group.append(text_area_bottom_left)
text_group.append(text_area_bottom_right)

print(text_area_top_right.anchored_position)
print(text_area_top_right.anchor_point)
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still need these prints?

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I would say the prints are not really essential, I mainly put them to test and ensure the getters were working as expected. I can remove them.


board.DISPLAY.show(text_group)

while True:
pass