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adding micropython examples (#2286)

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* adding micropython examples

* adding micropython examples
This commit is contained in:
Uli Raich
2021-06-07 13:56:08 +02:00
committed by GitHub
parent ac8f4534a5
commit c60ed68e94
114 changed files with 4136 additions and 657 deletions
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39
examples/widgets/img/lv_example_img_1.py
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@@ -1,3 +1,7 @@
#!/opt/bin/lv_micropython -i
import sys
import lvgl as lv
import display_driver
from imagetools import get_png_info, open_png
# Register PNG image decoder
@@ -5,25 +9,24 @@ decoder = lv.img.decoder_create()
decoder.info_cb = get_png_info
decoder.open_cb = open_png
# Create a screen with a draggable image
with open('cogwheel.png','rb') as f:
png_data = f.read()
png_img_dsc = lv.img_dsc_t({
'data_size': len(png_data),
'data': png_data
# Create an image from the png file
try:
with open('../../assets/img_cogwheel_argb.png','rb') as f:
png_data = f.read()
except:
print("Could not find img_cogwheel_argb.png")
sys.exit()
img_cogwheel_argb = lv.img_dsc_t({
'data_size': len(png_data),
'data': png_data
})
scr = lv.scr_act()
img1 = lv.img(lv.scr_act())
img1.set_src(img_cogwheel_argb)
img1.align(lv.ALIGN.CENTER, 0, -20)
img1.set_size(200, 200)
# Create an image on the left using the decoder
# lv.img.cache_set_size(2)
img1 = lv.img(scr)
img1.align(scr, lv.ALIGN.CENTER, 0, -20)
img1.set_src(png_img_dsc)
img2 = lv.img(scr)
img2 = lv.img(lv.scr_act())
img2.set_src(lv.SYMBOL.OK + "Accept")
img2.align(img1, lv.ALIGN.OUT_BOTTOM_MID, 0, 20)
img2.align_to(img1, lv.ALIGN.OUT_BOTTOM_MID, 0, 20)