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on_disk argument for IconWidget to use OnDiskBitmap #17

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Merged
merged 1 commit into from
Mar 17, 2021
Merged

on_disk argument for IconWidget to use OnDiskBitmap #17

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16 changes: 12 additions & 4 deletions adafruit_displayio_layout/widgets/icon_widget.py
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@


import terminalio
from displayio import TileGrid
from displayio import TileGrid, OnDiskBitmap, ColorConverter
import adafruit_imageload
from adafruit_display_text import bitmap_label
from adafruit_displayio_layout.widgets.control import Control
Expand All @@ -39,6 +39,8 @@ class IconWidget(Widget, Control):

:param string label_text: the text that will be shown beneath the icon image.
:param string icon: the filepath of the bmp image to be used as the icon.
:param boolean on_disk: if True use OnDiskBitmap instead of imageload.
This can be helpful to save memory. Defaults to False

:param int x: x location the icon widget should be placed. Pixel coordinates.
:param int y: y location the icon widget should be placed. Pixel coordinates.
Expand All @@ -53,10 +55,16 @@ class IconWidget(Widget, Control):

"""

def __init__(self, label_text, icon, **kwargs):
def __init__(self, label_text, icon, on_disk=False, **kwargs):
super().__init__(**kwargs)
image, palette = adafruit_imageload.load(icon)
tile_grid = TileGrid(image, pixel_shader=palette)

if on_disk:
self._file = open(icon, "rb")
image = OnDiskBitmap(self._file)
tile_grid = TileGrid(image, pixel_shader=ColorConverter())
else:
image, palette = adafruit_imageload.load(icon)
tile_grid = TileGrid(image, pixel_shader=palette)
self.append(tile_grid)
_label = bitmap_label.Label(
terminalio.FONT,
Expand Down