From 33d8ca779d5df777608f3955c5d4104d925fb346 Mon Sep 17 00:00:00 2001
From: Amir Gonnen <amirgonnen@gmail.com>
Date: Tue, 30 Aug 2022 00:12:37 +0300
Subject: [PATCH] feat(examples) adjust micropython examples to use lv_png
 (#3639)

---
 examples/libs/png/lv_example_png_1.py                | 5 -----
 examples/others/snapshot/lv_example_snapshot_1.py    | 6 ------
 examples/styles/lv_example_style_6.py                | 6 ------
 examples/widgets/animimg/lv_example_animimg_1.py     | 7 -------
 examples/widgets/btnmatrix/lv_example_btnmatrix_2.py | 7 -------
 examples/widgets/dropdown/lv_example_dropdown_3.py   | 7 -------
 examples/widgets/img/lv_example_img_1.py             | 6 ------
 examples/widgets/img/lv_example_img_2.py             | 6 ------
 examples/widgets/img/lv_example_img_3.py             | 6 ------
 examples/widgets/img/lv_example_img_4.py             | 6 ------
 examples/widgets/imgbtn/lv_example_imgbtn_1.py       | 7 -------
 examples/widgets/meter/lv_example_meter_3.py         | 6 ------
 12 files changed, 75 deletions(-)

diff --git a/examples/libs/png/lv_example_png_1.py b/examples/libs/png/lv_example_png_1.py
index 96670f740..e560629aa 100755
--- a/examples/libs/png/lv_example_png_1.py
+++ b/examples/libs/png/lv_example_png_1.py
@@ -1,12 +1,7 @@
 #!/opt/bin/lv_micropython -i
 import lvgl as lv
 import display_driver
-from imagetools import get_png_info, open_png
 from img_wink_png import img_wink_png_map
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 img_wink_png = lv.img_dsc_t(
     {
diff --git a/examples/others/snapshot/lv_example_snapshot_1.py b/examples/others/snapshot/lv_example_snapshot_1.py
index a7f05a984..c1d069217 100644
--- a/examples/others/snapshot/lv_example_snapshot_1.py
+++ b/examples/others/snapshot/lv_example_snapshot_1.py
@@ -1,11 +1,5 @@
 import gc
 import lvgl as lv
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 # Measure memory usage
 gc.enable()
diff --git a/examples/styles/lv_example_style_6.py b/examples/styles/lv_example_style_6.py
index 9efe14e45..238a32bfa 100644
--- a/examples/styles/lv_example_style_6.py
+++ b/examples/styles/lv_example_style_6.py
@@ -1,9 +1,3 @@
-from imagetools import get_png_info, open_png
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 # Create an image from the png file
 try:
     with open('../assets/img_cogwheel_argb.png', 'rb') as f:
diff --git a/examples/widgets/animimg/lv_example_animimg_1.py b/examples/widgets/animimg/lv_example_animimg_1.py
index 14ac078a0..093529ed9 100644
--- a/examples/widgets/animimg/lv_example_animimg_1.py
+++ b/examples/widgets/animimg/lv_example_animimg_1.py
@@ -1,10 +1,3 @@
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 anim_imgs = [None]*3
 # Create an image from the png file
 try:
diff --git a/examples/widgets/btnmatrix/lv_example_btnmatrix_2.py b/examples/widgets/btnmatrix/lv_example_btnmatrix_2.py
index 052f7419d..d46e6fb6f 100644
--- a/examples/widgets/btnmatrix/lv_example_btnmatrix_2.py
+++ b/examples/widgets/btnmatrix/lv_example_btnmatrix_2.py
@@ -1,10 +1,3 @@
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 # Create an image from the png file
 try:
     with open('../../assets/img_star.png','rb') as f:
diff --git a/examples/widgets/dropdown/lv_example_dropdown_3.py b/examples/widgets/dropdown/lv_example_dropdown_3.py
index 07ba07183..33f30f564 100644
--- a/examples/widgets/dropdown/lv_example_dropdown_3.py
+++ b/examples/widgets/dropdown/lv_example_dropdown_3.py
@@ -1,10 +1,3 @@
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 # Create an image from the png file
 try:
     with open('../../assets/img_caret_down.png','rb') as f:
diff --git a/examples/widgets/img/lv_example_img_1.py b/examples/widgets/img/lv_example_img_1.py
index b5242f658..aa0677d93 100644
--- a/examples/widgets/img/lv_example_img_1.py
+++ b/examples/widgets/img/lv_example_img_1.py
@@ -2,12 +2,6 @@
 import usys as sys
 import lvgl as lv
 import display_driver
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 # Create an image from the png file
 try:
diff --git a/examples/widgets/img/lv_example_img_2.py b/examples/widgets/img/lv_example_img_2.py
index 7660dea0b..d886b5c2b 100644
--- a/examples/widgets/img/lv_example_img_2.py
+++ b/examples/widgets/img/lv_example_img_2.py
@@ -2,12 +2,6 @@
 import usys as sys
 import lvgl as lv
 import display_driver
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 # Create an image from the png file
 try:
diff --git a/examples/widgets/img/lv_example_img_3.py b/examples/widgets/img/lv_example_img_3.py
index bb33a974b..c96a36042 100644
--- a/examples/widgets/img/lv_example_img_3.py
+++ b/examples/widgets/img/lv_example_img_3.py
@@ -2,12 +2,6 @@
 import usys as sys
 import lvgl as lv
 import display_driver
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 # Create an image from the png file
 try:
diff --git a/examples/widgets/img/lv_example_img_4.py b/examples/widgets/img/lv_example_img_4.py
index c6aefb823..459c3ec09 100644
--- a/examples/widgets/img/lv_example_img_4.py
+++ b/examples/widgets/img/lv_example_img_4.py
@@ -1,14 +1,8 @@
-from imagetools import get_png_info, open_png
 
 def ofs_y_anim(img, v):
     img.set_offset_y(v)
     # print(img,v)
 
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 # Create an image from the png file
 try:
     with open('../../assets/img_skew_strip.png','rb') as f:
diff --git a/examples/widgets/imgbtn/lv_example_imgbtn_1.py b/examples/widgets/imgbtn/lv_example_imgbtn_1.py
index 234105593..09bd7933f 100644
--- a/examples/widgets/imgbtn/lv_example_imgbtn_1.py
+++ b/examples/widgets/imgbtn/lv_example_imgbtn_1.py
@@ -1,10 +1,3 @@
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
-
 # Create an image from the png file
 try:
     with open('../../assets/imgbtn_left.png','rb') as f:
diff --git a/examples/widgets/meter/lv_example_meter_3.py b/examples/widgets/meter/lv_example_meter_3.py
index c7f921a68..02b8e32c3 100644
--- a/examples/widgets/meter/lv_example_meter_3.py
+++ b/examples/widgets/meter/lv_example_meter_3.py
@@ -2,12 +2,6 @@
 import utime as time
 import lvgl as lv
 import display_driver
-from imagetools import get_png_info, open_png
-
-# Register PNG image decoder
-decoder = lv.img.decoder_create()
-decoder.info_cb = get_png_info
-decoder.open_cb = open_png
 
 # Create an image from the png file
 try: