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Update LVGL to v9.1.0

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This commit is contained in:
jacqueline
2024-06-12 17:54:40 +10:00
parent 611176ed66
commit 64bd9053a2
2244 changed files with 278442 additions and 118864 deletions
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lib/lvgl/examples/others/snapshot/index.rst
+1 -2
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@@ -1,6 +1,5 @@
Simple snapshot example
"""""""""""""""""""
-----------------------
.. lv_example:: others/snapshot/lv_example_snapshot_1
:language: c
lib/lvgl/examples/others/snapshot/lv_example_snapshot_1.c
+12 -12
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@@ -7,31 +7,31 @@ static void event_cb(lv_event_t * e)
lv_obj_t * img = lv_event_get_target(e);
if(snapshot_obj) {
lv_img_dsc_t * snapshot = (void *)lv_img_get_src(snapshot_obj);
lv_draw_buf_t * snapshot = (lv_draw_buf_t *)lv_image_get_src(snapshot_obj);
if(snapshot) {
lv_snapshot_free(snapshot);
lv_draw_buf_destroy(snapshot);
}
/*Update the snapshot, we know parent of object is the container.*/
snapshot = lv_snapshot_take(img->parent, LV_IMG_CF_TRUE_COLOR_ALPHA);
snapshot = lv_snapshot_take(img->parent, LV_COLOR_FORMAT_ARGB8888);
if(snapshot == NULL)
return;
lv_img_set_src(snapshot_obj, snapshot);
lv_image_set_src(snapshot_obj, snapshot);
}
}
void lv_example_snapshot_1(void)
{
LV_IMG_DECLARE(img_star);
lv_obj_t * root = lv_scr_act();
LV_IMAGE_DECLARE(img_star);
lv_obj_t * root = lv_screen_active();
lv_obj_set_style_bg_color(root, lv_palette_main(LV_PALETTE_LIGHT_BLUE), 0);
/*Create an image object to show snapshot*/
lv_obj_t * snapshot_obj = lv_img_create(root);
lv_obj_t * snapshot_obj = lv_image_create(root);
lv_obj_set_style_bg_color(snapshot_obj, lv_palette_main(LV_PALETTE_PURPLE), 0);
lv_obj_set_style_bg_opa(snapshot_obj, LV_OPA_100, 0);
lv_img_set_zoom(snapshot_obj, 128);
lv_img_set_angle(snapshot_obj, 300);
lv_image_set_scale(snapshot_obj, 128);
lv_image_set_rotation(snapshot_obj, 300);
/*Create the container and its children*/
lv_obj_t * container = lv_obj_create(root);
@@ -44,11 +44,11 @@ void lv_example_snapshot_1(void)
lv_obj_t * img;
int i;
for(i = 0; i < 4; i++) {
img = lv_img_create(container);
lv_img_set_src(img, &img_star);
img = lv_image_create(container);
lv_image_set_src(img, &img_star);
lv_obj_set_style_bg_color(img, lv_color_black(), 0);
lv_obj_set_style_bg_opa(img, LV_OPA_COVER, 0);
lv_obj_set_style_transform_zoom(img, 400, LV_STATE_PRESSED);
// lv_obj_set_style_transform_scale(img, 400, LV_STATE_PRESSED);
lv_obj_add_flag(img, LV_OBJ_FLAG_CLICKABLE);
lv_obj_add_event_cb(img, event_cb, LV_EVENT_PRESSED, snapshot_obj);
lv_obj_add_event_cb(img, event_cb, LV_EVENT_RELEASED, snapshot_obj);
lib/lvgl/examples/others/snapshot/lv_example_snapshot_1.py
-71
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@@ -1,71 +0,0 @@
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()
gc.collect()
mem_free = gc.mem_free()
label = lv.label(lv.scr_act())
label.align(lv.ALIGN.BOTTOM_MID, 0, -10)
label.set_text(" memory free:" + str(mem_free/1024) + " kB")
# Create an image from the png file
try:
with open('../../assets/img_star.png','rb') as f:
png_data = f.read()
except:
print("Could not find star.png")
sys.exit()
img_star = lv.img_dsc_t({
'data_size': len(png_data),
'data': png_data
})
def event_cb(e, snapshot_obj):
img = e.get_target()
if snapshot_obj:
# no need to free the old source for snapshot_obj, gc will free it for us.
# take a new snapshot, overwrite the old one
dsc = lv.snapshot_take(img.get_parent(), lv.img.CF.TRUE_COLOR_ALPHA)
snapshot_obj.set_src(dsc)
gc.collect()
mem_used = mem_free - gc.mem_free()
label.set_text("memory used:" + str(mem_used/1024) + " kB")
root = lv.scr_act()
root.set_style_bg_color(lv.palette_main(lv.PALETTE.LIGHT_BLUE), 0)
# Create an image object to show snapshot
snapshot_obj = lv.img(root)
snapshot_obj.set_style_bg_color(lv.palette_main(lv.PALETTE.PURPLE), 0)
snapshot_obj.set_style_bg_opa(lv.OPA.COVER, 0)
snapshot_obj.set_zoom(128)
# Create the container and its children
container = lv.obj(root)
container.align(lv.ALIGN.CENTER, 0, 0)
container.set_size(180, 180)
container.set_flex_flow(lv.FLEX_FLOW.ROW_WRAP)
container.set_flex_align(lv.FLEX_ALIGN.SPACE_EVENLY, lv.FLEX_ALIGN.CENTER, lv.FLEX_ALIGN.CENTER)
container.set_style_radius(50, 0)
for i in range(4):
img = lv.img(container)
img.set_src(img_star)
img.set_style_bg_color(lv.palette_main(lv.PALETTE.GREY), 0)
img.set_style_bg_opa(lv.OPA.COVER, 0)
img.set_style_transform_zoom(400, lv.STATE.PRESSED)
img.add_flag(img.FLAG.CLICKABLE)
img.add_event_cb(lambda e: event_cb(e, snapshot_obj), lv.EVENT.PRESSED, None)
img.add_event_cb(lambda e: event_cb(e, snapshot_obj), lv.EVENT.RELEASED, None)