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/lvgl-latest/src/extra/libs/png/
Dlodepng.h312 …unsigned minmatch; /*minimum lz77 length. 3 is normally best, 6 can be better for some PNGs. Defau…
651 … srgb rendering intent value, size of content of ancillary chunks, more than 79 characters for some
1077 [ ] allow treating some errors like warnings, when image is recoverable (e.g. 69, 57, 58)
1085 [X] provide alternatives for C library functions not present on some platforms (memcpy, ...)
1207 *) some features needed to make a conformant PNG-Editor might be still missing.
1333 it tries as close as possible. Some things are ignored by the encoder. The
1355 The following settings are supported (some are in sub-structs):
1394 is easy, but there are multiple ways if you want to give some channels more
1449 To avoid some confusion:
1461 -even though some conversions aren't supported, LodePNG supports loading PNGs from any
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/lvgl-latest/docs/
DCONTRIBUTING.md15 Before getting started here are some guidelines to make contribution smoother:
30 A PR is a notification like "Hey, I made some updates to your project. Here are the changes, you ca…
31 To do this you need a copy (called fork) of the original project under your account, make some chan…
94 Some examples:
132 To make the DCO easier to digest, here are some practical guides about specific cases:
167 Below we have collected some opportunities about the ways you can contribute to LVGL.
183 Was it easy or were there some obstacles? Are you happy with the result?
192 It's a good place to talk about a project you created with LVGL, write a tutorial, or share some ni…
208 …(#pull-request) to the [lvgl](https://github.com/lvgl/lvgl) repository and follow some conventions:
217 As you read the documentation you might see some typos or unclear sentences. All the documentation …
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DCHANGELOG.md127 - fix(png): fix decode image size and some warnings [`4248`](https://github.com/lvgl/lvgl/pull/4248)
200 - fix(gpu): fix STM GPU drivers for some variants [`4004`](https://github.com/lvgl/lvgl/pull/4004)
504 - fix(script): in lv_conf_internal fix some widget dependencies when using Kconfig [`3119`](https:/…
913 Some of the most important features are
1076 - fix(span) fix some bugs (overflow,decor,align) [`2518`](https://github.com/lvgl/lvgl/pull/2518)
1348 - docs(arduino) update some outdated information [`9a77102`](https://github.com/lvgl/lvgl/commit/9a…
1367 - docs(os) add example and clarify some points [`d996453`](https://github.com/lvgl/lvgl/commit/d996…
1901 - Reduce code size by adding: `LV_USE_FONT_COMPRESSED` and `LV_FONT_USE_SUBPX` and applying some op…
1959 - Change some methods to support big endian hardware.
1993 - Prefix some internal API functions with `_` to reduce the API of LVGL
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/lvgl-latest/demos/stress/
Dlv_demo_stress.c211 … "Here area some dummy sentences to be sure the text area will be really scrollable."); in obj_test_timer_cb()
262 …obj = lv_msgbox_create(NULL, "Title", "Some text on the message box with average length", mbox_btn… in obj_test_timer_cb()
297 b = lv_list_add_btn(obj, LV_SYMBOL_OK, "1. Some very long text to scroll"); in obj_test_timer_cb()
299 lv_list_add_btn(obj, LV_SYMBOL_OK, "2. Some very long text to scroll"); in obj_test_timer_cb()
300 lv_list_add_btn(obj, LV_SYMBOL_OK, "3. Some very long text to scroll"); in obj_test_timer_cb()
301 b = lv_list_add_btn(obj, LV_SYMBOL_OK, "4. Some very long text to scroll"); in obj_test_timer_cb()
303 b = lv_list_add_btn(obj, LV_SYMBOL_OK, "5. Some very long text to scroll"); in obj_test_timer_cb()
305 b = lv_list_add_btn(obj, LV_SYMBOL_OK, "6. Some very long text to scroll"); in obj_test_timer_cb()
/lvgl-latest/docs/overview/
Ddrawing.md27 …area into a buffer, called an *Invalid area buffer*. For optimization, in some cases, objects are …
57 2. **Call the draw function** Call the draw function with the draw descriptor and some other parame…
61 5. **Blend a color or image** During blending, masking (make some pixels transparent or opaque), bl…
102 Some fields of these parameters can be modified to draw something else or any custom drawing operat…
105 …ell LVGL to use different colors on a specific button or to manually draw an image on some buttons.
148 … matrix's button) it sends events before and after drawing that part with some context of the draw…
200 Here are some reasons why an object would be unable to fully cover an area:
Dfont.md87 Most languages use a Left-to-Right (LTR for short) writing direction, however some languages (such …
89 …pports RTL texts but supports mixed (a.k.a. bidirectional, BiDi) text rendering too. Some examples:
95 All texts have a base direction (LTR or RTL) which determines some rendering rules and the default …
120 There are some special rules to display Arabic and Persian characters: the *form* of a character de…
121 …ed when it is isolated, at start, middle or end positions. Besides these, some conjunction rules s…
125 However, there are some limitations:
215 my_font.user_data = user_data; /*Optionally some extra user data*/
Dimage.md3 An image can be a file or a variable which stores the bitmap itself and some metadata.
132 - **info** get some basic info about the image (width, height and color format).
134 - **read** if *open* didn't fully open an image this function should give some decoded data (max 1 …
160 First, you need to create a new image decoder and set some functions to open/close the PNG files. I…
251 - In `decoder_info`, you should collect some basic information about the image and store it in `hea…
257 - `decoder_read` is optional. Decoding the whole image requires extra memory and some computational…
288 Therefore, LVGL caches a given number of images. Caching means some images will be left open, hence…
Dstyle.md12 - Some properties (e.g. text color) can be inherited from a parent(s) if it's not specified in an o…
57 Some practical notes:
82 Some properties (typically those related to text) can be inherited from the parent object's styles.
192 …<selector>` is an OR-ed value of parts and state to which the style should be added. Some examples:
203 lv_obj_add_style(btn, &btn_red, LV_STATE_PRESSED);  /*Overwrite only some colors to red when presse…
230 …concept is similar to inline styles in CSS (e.g. `<div style="color:red">`) with some modification.
Dcoords.md91 In some cases it's convenient to change the origin of the positioning from the default top left. If…
188 However, using styles to set the coordinates has some great advantages:
196 Here are some examples to set an object's size using a style:
206 As you will see below there are some other great features of size and position setting.
320 There are some flags that can be used on objects to affect how they behave with layouts:
Dindev.md65 If you did some action on a gesture you can call `lv_indev_wait_release(lv_indev_get_act())` in the…
75 For example, if a [Text area](/widgets/core/textarea) is focused and you press some letter on a key…
85 There are some predefined keys which have special meaning:
100 In your `read_cb` function, you should translate some of your keys to these special keys to support…
Dtimer.md45 You can modify some timer parameters later:
61 In some cases, you can't perform an action immediately. For example, you can't delete an object bec…
70 /*Free some resources related to `scr`*/
/lvgl-latest/docs/porting/
Ddisplay.md88 There are some optional display driver data fields:
101 Some other optional callbacks to make it easier and more optimal to work with monochrome, grayscale…
128 Here are some simple examples of the callbacks:
211 Support for software rotation is a new feature, so there may be some glitches/bugs depending on you…
215 However, in some cases you might need more control on when the display refreshing happen, for examp…
/lvgl-latest/
DKconfig67 See misc/lv_color.h for some color values examples.
140 int "Allow buffering some shadow calculation"
779 … bool "Store extra some info in labels (12 bytes) to speed up drawing of very long texts."
901 bool "Monochrome theme, suitable for some E-paper & dot matrix displays"
1092 bool "Show some widget"
Dlv_conf_template.h114 /*Allow buffering some shadow calculation.
362 /*Montserrat fonts with ASCII range and some symbols using bpp = 4
493 …#define LV_LABEL_LONG_TXT_HINT 1 /*Store some extra info in labels to speed up drawing of very lo…
751 /*Show some widget. It might be required to increase `LV_MEM_SIZE` */
/lvgl-latest/docs/widgets/core/
Dimg.md28 You also need to use LVGL's file system module and register a driver with some functions for the ba…
35 …_DUMMY` as the prefix of the text. For example, `lv_img_set_src(img, LV_SYMBOL_DUMMY "Some text")`.
68 With `lv_img_set_offset_x(img, x_ofs)` and `lv_img_set_offset_y(img, y_ofs)`, you can add some offs…
109 content to rounded rectangle or circular shape. Please note this will have some negative performanc…
/lvgl-latest/env_support/cmsis-pack/
Dlv_conf_cmsis.h121 /*Allow buffering some shadow calculation.
350 /*Montserrat fonts with ASCII range and some symbols using bpp = 4
481 …#define LV_LABEL_LONG_TXT_HINT 1 /*Store some extra info in labels to speed up drawing of very lo…
706 /*Show some widget. It might be required to increase `LV_MEM_SIZE` */
/lvgl-latest/docs/get-started/bindings/
Dmicropython.md23 ### Here are some advantages of using LVGL in Micropython:
83 …would also need display and input drivers. We have some sample drivers (ESP32+ILI9341, as well as …
/lvgl-latest/docs/widgets/
Dobj.md50 To get a specific child of a parent use `lv_obj_get_child(parent, idx)`. Some examples for `idx`:
101 There are some attributes which can be enabled/disabled by `lv_obj_add/clear_flag(obj, LV_OBJ_FLAG_…
136 Some examples:
/lvgl-latest/src/
Dlv_conf_internal.h294 /*Allow buffering some shadow calculation.
992 /*Montserrat fonts with ASCII range and some symbols using bpp = 4
1497 …#define LV_LABEL_LONG_TXT_HINT 1 /*Store some extra info in labels to speed up drawing of very lo…
2403 /*Show some widget. It might be required to increase `LV_MEM_SIZE` */
2515 /*Set some defines if a dependency is disabled*/
/lvgl-latest/docs/get-started/
Dquick-overview.md13 This way you can save the time of porting for now and get some experience with LVGL immediately.
106 To set some basic attributes `lv_obj_set_<parameter_name>(obj, <value>)` functions can be used. For…
228 Some properties (typically the text-related ones) can be inherited. This means if a property is not…
/lvgl-latest/docs/intro/
Dindex.md89 - `fix/some-description` temporary branches for bug fixes
90 - `feat/some-description` temporary branches for features
134 Some examples of the supported display types:
/lvgl-latest/src/widgets/
Dlv_roller.c141 /*If the selected text has larger font the label needs some extra draw padding to draw it.*/ in lv_roller_set_options()
431 /*If the selected text has a larger font it needs some extra space to draw it*/ in lv_roller_label_event()
533 /*If the roller has shadow or outline it has some ext. draw size in draw_label()
/lvgl-latest/scripts/
DDoxyfile38 # could be handy for archiving the generated documentation or if some version
251 # instance, some of the names that are used will be different. The list of all
746 # potential errors in the documentation, such as not documenting some parameters
1659 # documents. This may be useful for small projects and may help to save some
1812 # documents. This may be useful for small projects and may help to save some
1822 # browsing using Word or some other Word compatible readers that support those
/lvgl-latest/examples/widgets/win/
Dlv_example_win_1.py29 quite some text
32 some more
/lvgl-latest/env_support/cmake/
Dmicropython.cmake8 # ${SOURCES} must NOT be given to add_library directly for some reason (won't be
11 # Micropython builds with -Werror; we need to suppress some warnings, such as:

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