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11 Images stored internally in a variable are composed mainly of an `lv_img_dsc_t` structure with the …
24 To deal with files you need to add a storage *Drive* to LVGL. In short, a *Drive* is a collection o…
36 - **LV_IMG_CF_INDEXED_1/2/4/8BIT** Uses a palette with 2, 4, 16 or 256 colors and stores each pixel…
37 - **LV_IMG_CF_ALPHA_1/2/4/8BIT** **Only stores the Alpha value with 1, 2, 4 or 8 bits.** The pixels…
50 - Byte 2: Alpha byte (only with LV_IMG_CF_TRUE_COLOR_ALPHA)
54 - Byte 2: Alpha byte (only with LV_IMG_CF_TRUE_COLOR_ALPHA)
57 You can store images in a *Raw* format to indicate that it's not encoded with one of the built-in c…
111 The simplest way to use an image in LVGL is to display it with an [lv_img](/widgets/core/img) objec…
123 If the image was converted with the online converter, you should use `LV_IMG_DECLARE(my_icon_dsc)` …
143 …age is to use the online image converter and select `Raw`, `Raw with alpha` or `Raw with chroma-ke…
153 With *User encoded* formats, the color format in the open function (`dsc->header.cf`) should be cha…
158 Here's an example of getting LVGL to work with PNG images.
217 * @param decoder pointer to the decoder the function associated with
228 /*With PNG it's usually not required*/
266 The `color` parameter is used only with `LV_IMG_CF_ALPHA_1/2/4/8BIT` images to tell color of the im…
277 /*Do something with `dsc->img_data`*/
293 The number of cache entries can be defined with `LV_IMG_CACHE_DEF_SIZE` in *lv_conf.h*. The default…
295 The size of the cache can be changed at run-time with `lv_img_cache_set_size(entry_num)`.
307 If there is no more space in the cache, the entry with the lowest life value will be closed.