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/lvgl-latest/docs/others/
Dimgfont.md3 This is often used to display Unicode emoji icons in text.
11 `height` used to indicate the size of a imgfont.
14 Use `lv_imgfont_destroy(imgfont)` to destroy a imgfont that is no longer used.
Dmsg.md31 `lv_msg_subscribe(msg_id, callback, user_data)` can be used to subscribe to message.
38 /*s: a subscriber obeject, can be used to unscubscribe*/
45 From `lv_msg_t` the followings can be used to get some data:
52 To make it simpler `lv_msg_subsribe_obj(msg_id, obj, user_data)` can be used.
72 `lv_msg_subscribe` returns a pointer which can be used to unsubscribe:
/lvgl-latest/src/misc/
Dlv_mem.c50 static void lv_mem_walker(void * ptr, size_t size, int used, void * user);
284 if(LV_GC_ROOT(lv_mem_buf[i]).used == 0 && LV_GC_ROOT(lv_mem_buf[i]).size >= size) { in lv_mem_buf_get()
286 LV_GC_ROOT(lv_mem_buf[i]).used = 1; in lv_mem_buf_get()
300 LV_GC_ROOT(lv_mem_buf[i_guess]).used = 1; in lv_mem_buf_get()
308 if(LV_GC_ROOT(lv_mem_buf[i]).used == 0) { in lv_mem_buf_get()
314 LV_GC_ROOT(lv_mem_buf[i]).used = 1; in lv_mem_buf_get()
337 LV_GC_ROOT(lv_mem_buf[i]).used = 0; in lv_mem_buf_release()
354 LV_GC_ROOT(lv_mem_buf[i]).used = 0; in lv_mem_buf_free_all()
550 static void lv_mem_walker(void * ptr, size_t size, int used, void * user) in lv_mem_walker() argument
555 if(used) { in lv_mem_walker()
Dlv_tlsf.h83 typedef void (*lv_tlsf_walker)(void * ptr, size_t size, int used, void * user);
/lvgl-latest/docs/widgets/extra/
Dimgbtn.md12 - `LV_PART_MAIN` Refers to the image(s). If background style properties are used, a rectangle will …
30 If you set sources only in `LV_IMGBTN_STATE_RELEASED`, these sources will be used in other states t…
31 If you set e.g. `LV_IMGBTN_STATE_PRESSED` they will be used in pressed state instead of the release…
35 …he `lv_imgbtn_set_state(imgbtn, LV_IMGBTN_STATE_...)` functions should be used to manually set a s…
Dchart.md16 - `LV_PART_SCROLLBAR` The scrollbar used if the chart is zoomed. See the [Base object](/widgets/obj…
18 …- Line chart: The *line* properties are used by the lines. `width`, `height`, `bg_color` and `radi…
19 …- Bar chart: The typical background properties are used to style the bars. `pad_column` sets the s…
21 …V_PART_CURSOR` *Line* properties are used to style the cursors. `width`, `height`, `bg_color` and…
22 - `LV_PART_TICKS` *Line* and *Text* style properties are used to style the ticks
29 - `LV_CHART_TYPE_NONE` Do not display any data. Can be used to hide the series.
46 `axis` tells which axis's range should be used te scale the values.
53 …ies can be obtained with `lv_chart_get_y_array(chart, ser)`, which can be used with `ext_array` or…
55 …t_ext_x_array(chart, ser, value_array)` and `lv_chart_get_x_array(chart, ser)` can be used as well.
66 … ser, id, value)` and `lv_chart_set_next_value2(chart, ser, x_valuem y_value)` can be used as well.
Dtabview.md6 The Tab view object can be used to organize content in tabs.
18 There are no special parts on the Tab view but the `lv_obj` and `lv_btnnmatrix` widgets are used to…
Dspinbox.md21 …used as input device, the selected digit is shifted to the right by default whenever the encoder b…
/lvgl-latest/scripts/
DDoxyfile3 # This file describes the settings to be used by the documentation system
20 # This tag specifies the encoding used for all characters in the config file
21 # that follow. The default is UTF-8 which is also the encoding used for all text
31 # project for which the documentation is generated. This name is used in the
37 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
39 # control system is used.
56 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
59 # left blank the current directory will be used.
75 # characters will be escaped, for example _xE3_x81_x84 will be used for Unicode
81 # The OUTPUT_LANGUAGE tag is used to specify the language in which all
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/lvgl-latest/docs/get-started/platforms/
Dnxp.md12 Depending on the RT platform used, the acceleration can be done by NXP PXP (PiXel Pipeline) and/or …
13 through an API named VGLite. Each accelerator has its own context that allows them to be used indiv…
30 All operations can be used in conjunction with optional transparency.
59 …- If `SDK_OS_FREE_RTOS` symbol is defined, FreeRTOS implementation will be used, otherwise bare me…
65 …- For manual PXP initialization, default configuration structure for callbacks can be used. Initia…
94 …used as a parameter for the `lv_gpu_nxp_pxp_init()` function. Default implementation for FreeRTOS …
100 …- Area threshold (size limit) is configurable and used to decide whether the area will be processe…
123 All operations can be used in conjunction with optional transparency.
147 - `SDK_OS_FREE_RTOS` symbol needs to be defined so that the FreeRTOS implementation will be used
179 …- Area threshold (size limit) is configurable and used to decide whether the area will be processe…
/lvgl-latest/docs/widgets/core/
Dlabel.md4 A label is the basic object type that is used to display text.
7 …background properties and the text properties. The padding values can be used to add space betwee…
9 …he [selected text](#text-selection). Only `text_color` and `bg_color` style properties can be used.
18 With `lv_label_set_text_fmt(label, "Value: %d", 15)` printf formatting can be used to set the text.
21 In this case, the text is not stored in the dynamic memory and the given buffer is used directly in…
23 Constant strings are safe to use with `lv_label_set_text_static` (except when used with `LV_LABEL_L…
42 When `lv_label_set_text` or `lv_label_set_array_text` are used, a separate buffer is allocated and …
Dtable.md24 Line breaks can be used in the text like `"Value\n60.3"`.
43 If the label's width or height is set to `LV_SIZE_CONTENT` that size will be used to show the whole…
69 `lv_table_get_selected_cell(table, &row, &col)` can be used to get the currently selected cell. Row…
/lvgl-latest/examples/porting/
Dlv_port_disp_template.c19 … replace the macro MY_DISP_HOR_RES with the actual screen width, default value 320 is used for now.
24 …replace the macro MY_DISP_HOR_RES with the actual screen height, default value 240 is used for now.
/lvgl-latest/docs/overview/
Dstyle.md3 *Styles* are used to set the appearance of objects. Styles in lvgl are heavily inspired by CSS. The…
7 - The same style can be used by any number of objects.
11 …e. This means if a property is specified in two styles the newest style in the object will be used.
38 …e best matching state's property will be used. Typically this means the property with `LV_STATE_DE…
39 If the property is not set even for the default state the default value will be used. (See later)
50 … precedence which is higher than the default state's 0x0000 precedence, so gray color will be used.
51 3. When the object is focused the same thing happens as in pressed state and red color will be used…
52 …ed would work, but the pressed state has higher precedence than focused so gray color will be used.
54 …0x0022 precedence, which is higher than the pressed state's precedence so rose color would be used.
70 This is much like in CSS when used classes are listed like `<div class=".btn .btn-red">`.
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Ddisplay.md22 By default, the last created (and only) display is used.
25 …s `NULL` as `disp` parameter to display related functions the default display will usually be used.
48 …hanged, i.e. `lv_obj_set_pos()`, `lv_obj_set_size()` or similar functions can't be used on screens.
63 This configuration (transparent screen and display) could be used to create for example OSD menus w…
65 To handle transparent displays, special (slower) color mixing algorithms need to be used by LVGL so…
80 …isp_trig_activity(disp)`. If `disp` is `NULL`, the default screen will be used (**and not all disp…
87 …e or a pointer to an `lv_img_dsc_t` variable (converted image data) to be used as wallpaper. It ca…
Dlayer.md43 - When `lv_obj_set_parent(obj, new_parent)` is used, `obj` will be on the foreground of the `new_pa…
51 The `layer_top` can be used by the user to create some content visible everywhere. For example, a m…
56 The `layer_sys` is also used for similar purposes in LVGL. For example, it places the mouse cursor …
Dcoords.md102 The following alignment options can be used:
128 Besides the alignments options above, the following can be used to align an object outside the refe…
193 - Style transitions can be used to make the coordinate changes smooth.
207 …nate setting features have a "simple" version and the more complex features can be used via styles.
234 …s are not at y=100, `style_pressed` won't work as expected. Translations can be used to solve this:
256 Percentage values can be used in translations as well. The percentage is relative to the size of th…
292 Percentage values can be used as well which are relative to the size of the parent's content area.
305 Layouts can update the position and size of an object's children. They can be used to automatically…
320 There are some flags that can be used on objects to affect how they behave with layouts:
345 Custom style properties can be added which can be retrieved and used in the update callback. For ex…
Dtimer.md10 …_ms, user_data)`. It will create an `lv_timer_t *` variable, which can be used later to modify the…
11 `lv_timer_create_basic()` can also be used. This allows you to create a new timer without specifyin…
62 For these cases, `lv_async_call(my_function, data_p)` can be used to call `my_function` on the next…
/lvgl-latest/docs/libs/
Dtiny_ttf.md8 `lv_tiny_ttf_create_data(data, data_size, font_size)` can be used to
18 entire time the font is being used, and streaming on demand may be
Dfreetype.md18 1. `LV_FREETYPE_CACHE_SIZE`:maximum memory(bytes) used to cache font bitmap, outline, character map…
22 When you are sure that all the used font sizes will not be greater than 256, you can enable `LV_FRE…
Dfsdrv.md21 …essif.com/components/joltwallet/littlefs) is a wrapper for LittleFS to be used in Espressif ESP-de…
24 …API and use it directly, as `lv_fs_littlefs` and the `esp_littlefs` APIs can be used side-by-side.
/lvgl-latest/demos/stress/
DREADME.md6 It contains a lot of object creation, deletion, animations, styles usage, and so on. It can be used…
/lvgl-latest/env_support/cmake/
Dmicropython.cmake14 # 'lv_style_transition_dsc_t_path_xcb_callback' defined but not used
/lvgl-latest/docs/get-started/
Dquick-overview.md99 …ype>_create(parent)`. It will return an `lv_obj_t *` variable that can be used as a reference to t…
106 To set some basic attributes `lv_obj_set_<parameter_name>(obj, <value>)` functions can be used. For…
123 Events are used to inform the user that something has happened with an object.
139 `LV_EVENT_ALL` can be used instead of `LV_EVENT_CLICKED` to invoke the callback for any event.
226 … the current state, the style with `LV_STATE_DEFAULT` will be used. A default value is used if the…
232 …ed to objects. This creates a style which resides inside the object and is used only by the object:
/lvgl-latest/docs/porting/
Ddisplay.md40 If only one buffer is used LVGL draws the content of the screen into that draw buffer and sends it …
44 If two buffers are used LVGL can draw into one buffer while the content of the other buffer is sen…
45 DMA or other hardware should be used to transfer data to the display so the MCU can continue drawin…
52 This configuration should be used if the MCU has an LCD controller peripheral and not with an exter…
103 It can be used if the display controller can refresh only areas with specific height or width (usua…
104 - `set_px_cb` a custom function to write the draw buffer. It can be used to store the pixels more c…
105 This way the buffers used in `lv_disp_draw_buf_t` can be smaller to hold only the required number o…
108 … notifies the display driver that rendering has started. It also could be used to wait for VSYNC t…
110 …see `lv_conf.h`) but if something else is required these functions can be used to make LVGL use a …

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