How to enable key color when displaying PNG

[zq190kg]

Like this effect, only the main body is displayed，Thank you for your reply

[zq190kg]

#define LV_COLOR_SCREEN_TRANSP 1
#define LV_COLOR_TRANSP LV_COLOR_LIME /LV_COLOR_LIME: pure green/

I defined the two line

[zq190kg]

lvgl v6.0

#define LV_COLOR_SCREEN_TRANSP 1
#define LV_COLOR_TRANSP LV_COLOR_LIME /LV_COLOR_LIME: pure green/
LV_IMG_DECLARE(png_decoder_test);
lv_obj_t * img = lv_img_create(lv_scr_act(), NULL);
lv_img_set_src(img, &png_decoder_test);

Like the effect below

[embeddedt]

lvgl v6.0

Please update to the release/v6 branch, which contains 6.1 + any bugfixes after that. 6.0 is not supported.

[zq190kg]

lvgl v6.0

Please update to the release/v6 branch, which contains 6.1 + any bugfixes after that. 6.0 is not supported.

ok,tks