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/lvgl-3.5.0/scripts/ |
D | Doxyfile | 9 # All text after a single hash (#) is considered a comment and will be ignored. 51 # pixels and the maximum width should not exceed 200 pixels. Doxygen will copy 57 # into which the generated documentation will be written. If a relative path is 58 # entered, it will be relative to the location where doxygen was started. If 59 # left blank the current directory will be used. 63 # If the CREATE_SUBDIRS tag is set to YES then doxygen will create 4096 sub- 65 # will distribute the generated files over these directories. Enabling this 73 # If the ALLOW_UNICODE_NAMES tag is set to YES, doxygen will allow non-ASCII 75 # characters will be escaped, for example _xE3_x81_x84 will be used for Unicode 82 # documentation generated by doxygen is written. Doxygen will use this [all …]
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/lvgl-3.5.0/docs/overview/ |
D | image.md | 35 …_COLOR` but if a pixel has the `LV_COLOR_TRANSP` color (set in *lv_conf.h*) it will be transparent. 75 2. Give the image a name that will be used within LVGL. 77 …ing a binary will generate a `.bin` file that must be stored separately and read using the [file s… 78 5. Hit the *Convert* button. Once the conversion is finished, your browser will automatically downl… 80 …le, but only the color depth that matches `LV_COLOR_DEPTH` in *lv_conf.h* will actually be linked … 127 …ction, LVGL supports several built-in image formats. In many cases, these will be all you need. LV… 137 You can add any number of image decoders. When an image needs to be drawn, the library will try all… 143 …. It will just take every byte of the binary file you uploaded and write it as an image "bitmap". … 145 `header.cf` will be `LV_IMG_CF_RAW`, `LV_IMG_CF_RAW_ALPHA` or `LV_IMG_CF_RAW_CHROMA_KEYED` accordin… 149 …y can draw images only in *True color* format (or *Raw* but ultimately it will be in *True color* … [all …]
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D | style.md | 9 Therefore, not all properties have to be specified in a style. LVGL will search for a property unti… 11 …e. This means if a property is specified in two styles the newest style in the object will be used. 38 If a property is not defined in a state the best matching state's property will be used. Typically … 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. 58 …ng the user would expect naturally. E.g. if an object is focused the user will still want to see i… 60 …fault state. If the object can't find a property for its current state it will fall back to the de… 78 In this case, when the button is released (it's in default state) it will be red because a perfect … [all …]
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D | coords.md | 58 the earlier set coordinates will be removed as well. 62 /*The size of obj1 will be set back to the default in the end*/ 67 /*obj2 will have 200;100 size in the end */ 83 For example if the parent has five pixels of padding on every side the above code will place `obj` … 165 …`LV_SIZE_CONTENT`. It means the object's size in the respective direction will be set to the size … 166 Note that only children on the right and bottom sides will be considered and children on the top an… 168 Objects with `LV_OBJ_FLAG_HIDDEN` or `LV_OBJ_FLAG_FLOATING` will be ignored by the `LV_SIZE_CONTENT… 170 … the content area can be set as well. This means an object's bounding box will be enlarged with th… 206 As you will see below there are some other great features of size and position setting. 256 … the object (and not to the size of the parent). For example `lv_pct(50)` will move the object wit… [all …]
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D | drawing.md | 3 …objects (like buttons, labels, arc, etc.), move and change them, and LVGL will refresh and redraw … 9 The draw buffer can be smaller than a display's size. LVGL will simply render in "tiles" that fit i… 41 For example, if a button's label has changed, the library will see that it's enough to draw the but… 57 …he draw descriptor and some other parameters (e.g. `lv_draw_rect()`). It will render the primitiv… 163 …_dsc; // A draw descriptor that can be modified to changed what LVGL will draw. Set only for … 164 …el_dsc; // A draw descriptor that can be modified to changed what LVGL will draw. Set only for … 165 …_dsc; // A draw descriptor that can be modified to changed what LVGL will draw. Set only for … 166 …dsc; // A draw descriptor that can be modified to changed what LVGL will draw. Set only for … 167 …dsc; // A draw descriptor that can be modified to changed what LVGL will draw. Set only for … 213 …s it might not cover an area, but you need to handle `radius` only if you will modify it and the w…
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D | object.md | 57 If the position of a parent changes, the children will move along with it. 75 lv_obj_set_pos(parent, 50, 50); /*Move the parent. The child will move with it.*/ 82 If a child is partially or fully outside its parent then the parts outside will not be visible. 117 `lv_obj_del` will delete the object immediately. 118 …t delete the object immediately you can use `lv_obj_del_async(obj)` which will perform the deletio… 150 They are independent of the screens and they will be shown on every screen. The *top layer* is abov… 151 …he *system layer* is restricted to system-level things (e.g. mouse cursor will be placed there wit… 167 Setting `auto_del` to `true` will automatically delete the old screen when the animation is finishe… 169 The new screen will become active (returned by `lv_scr_act()`) when the animation starts after `del…
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D | scroll.md | 4 … (the size without padding), the parent becomes scrollable and scrollbar(s) will appear. That's it. 46 …the `LV_PART_SCROLLBAR` is RTL (`LV_BASE_DIR_RTL`) the vertical scrollbar will be placed on the le… 87 …ed to its parent. If the parent can be scrolled in that direction than it will be scrolled instead. 102 When the object is released the content scrolled in it will be animated back to the valid position. 129 If the "scroll on focus" feature is enabled LVGL will automatically scroll objects to bring their c… 131 The object will be scrolled into view even if it's on a different page of a tabview. 169 If the user sets only 200 px height for the table LVGL will see that the self size is larger and ma… 171 This means not only the children can make an object scrollable but a larger self size will too.
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D | timer.md | 10 To create a new timer, use `lv_timer_create(timer_cb, period_ms, user_data)`. It will create an `lv… 41 `lv_timer_reset(timer)` resets the period of a timer. It will be called again after the defined per… 51 …number of times with `lv_timer_set_repeat_count(timer, count)`. The timer will automatically be de… 62 …call `my_function` on the next invocation of `lv_timer_handler`. `data_p` will be passed to the fu… 63 Note that only the data pointer is saved, so you need to ensure that the variable will be "alive" w… 64 …synchronous call, call `lv_async_call_cancel(my_function, data_p)`, which will clear all asynchron… 87 …ing up in `my_screen_cleanup` you could just use `lv_obj_del_async` which will delete the object o…
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D | font.md | 97 If not set then it will be inherited from the parent. 98 This means it's enough to set the base direction of a screen and every object will inherit it. 125 - Static text (i.e. const) is not processed. E.g. texts set by `lv_label_set_text()` will be "Arabi… 126 - Text get functions (e.g. `lv_label_get_text()`) will return the processed text. 153 …se it. **Be sure to carefully read the steps provided on that site or you will get an error while … 254 fails to find glyph to a letter, it will try to let font from `fallback` to handle. 256 `fallback` can be chained, so it will try to solve until there is no `fallback` set.
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D | display.md | 25 If you pass `NULL` as `disp` parameter to display related functions the default display will usuall… 26 E.g. `lv_disp_trig_activity(NULL)` will trigger a user activity on the default display. (See below … 60 …f this is not the case (opacity < 100%) the display's background color or image will be visible. 66 The Alpha channel of 32-bit colors will be 0 where there are no objects and 255 where there are sol… 78 …isp)`. If `NULL` is passed, the lowest inactivity time among all displays will be returned (**NULL… 80 …ng `lv_disp_trig_activity(disp)`. If `disp` is `NULL`, the default screen will be used (**and not …
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D | indev.md | 75 …re/textarea) is focused and you press some letter on a keyboard, the keys will be sent and inserte… 76 …core/slider) is focused and you press the left or right arrows, the slider's value will be changed. 110 … translated to `LV_KEY_NEXT/PREV`. Therefore, the next or previous object will be selected by turn… 111 Pressing `LV_KEY_ENTER` will change to *Edit* mode. 125 …der or keypad it goes to the `LV_STATE_FOCUSED` state. Hence, focused styles will be applied to it. 127 … it enters the `LV_STATE_FOCUSED | LV_STATE_EDITED` states so these style properties will be shown.
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D | event.md | 23 In the example `LV_EVENT_CLICKED` means that only the click event will call `my_event_cb`. See the … 26 …v_obj_add_event_cb` is a pointer to any custom data that will be available in the event. It will b… 41 The events will be called in the order as they were added. 161 … enabled all events will be sent to an object's parent too. If the parent also has `LV_OBJ_FLAG_EV…
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/lvgl-3.5.0/ |
D | lv_conf_template.h | 41 /*Images pixels with this color will not be drawn if they are chroma keyed)*/ 56 …/*Instead of an address give a memory allocator that will be called to get a memory pool for LVGL.… 70 *You will see an error log message if there wasn't enough buffers. */ 80 /*Default display refresh period. LVG will redraw changed areas with this period time*/ 132 * - LV_LAYER_SIMPLE_BUF_SIZE: [bytes] the optimal target buffer size. LVGL will try to allocate it 156 *If the cache is too small the map will be allocated only while it's required for the drawing. 258 *If LV_USE_LOG is enabled an error message will be printed on failure*/ 327 /*Will be added where memories needs to be aligned (with -Os data might not be aligned to boundary … 389 *You can use these fonts as default font too and they will be available globally. 398 *Compiler error will be triggered if a font needs it.*/ [all …]
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D | Kconfig | 62 hex "Images pixels with this color will not be drawn (if they are chroma keyed)." 94 internal processing mechanisms. You will see an error log message if 190 … If the cache is too small the map will be allocated only while it's required for the drawing. 684 If a word is at least this long, will break wherever 'prettiest'. 709 The direction will be processed according to the Unicode Bidirectional Algorithm: 907 int "Set an upper cased letter on which the drive will accessible (e.g. 'A' i.e. 65 )" 921 int "Set an upper cased letter on which the drive will accessible (e.g. 'A' i.e. 65)" 935 int "Set an upper cased letter on which the drive will accessible (e.g. 'A' i.e. 65)" 949 int "Set an upper cased letter on which the drive will accessible (e.g. 'A' i.e. 65)"
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/lvgl-3.5.0/src/extra/libs/png/ |
D | lodepng.h | 7 warranty. In no event will the authors be held liable for any damages 118 out: Output parameter. Pointer to buffer that will contain the raw pixel data. 169 out: Output parameter. Pointer to buffer that will contain the PNG image data. 237 is that of the raw input data. The output PNG color type will be auto chosen.*/ 322 zlib function will call custom_deflate*/ 367 For grayscale PNGs, r, g and b will all 3 be set to the same. 452 these values. The encoder normally ignores info_png.color when auto_convert is on, but will 456 when the image is gray, or the compression will be worse since it will be forced to 557 …enable their '_defined' flags since LodePNG will not automatically compute them from the ICC profi… 562 …enabled (the default), and the ICC profile is not a good match for the pixel data, this will resul… [all …]
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/lvgl-3.5.0/src/ |
D | lv_conf_internal.h | 44 /* #include will sometimes silently fail when __has_include is used */ 103 /*Images pixels with this color will not be drawn if they are chroma keyed)*/ 142 …/*Instead of an address give a memory allocator that will be called to get a memory pool for LVGL.… 192 *You will see an error log message if there wasn't enough buffers. */ 214 /*Default display refresh period. LVG will redraw changed areas with this period time*/ 324 * - LV_LAYER_SIMPLE_BUF_SIZE: [bytes] the optimal target buffer size. LVGL will try to allocate it 372 *If the cache is too small the map will be allocated only while it's required for the drawing. 668 *If LV_USE_LOG is enabled an error message will be printed on failure*/ 903 /*Will be added where memories needs to be aligned (with -Os data might not be aligned to boundary … 1173 *You can use these fonts as default font too and they will be available globally. [all …]
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/lvgl-3.5.0/docs/get-started/ |
D | quick-overview.md | 11 LVGL is ported to many IDEs to be sure you will find your favorite one. 25 - Create a draw buffer: LVGL will render the graphics here first, and send the rendered image to th… 79 It will redraw the screen if required, handle input devices, animation etc. 91 The child object moves with the parent and if the parent is deleted the children will be deleted to… 99 You can create a new object with `lv_<type>_create(parent)`. It will return an `lv_obj_t *` variabl… 124 You can assign one or more callbacks to an object which will be called if the object is clicked, re… 173 …bject it will automatically go to the `LV_STATE_FOCUSED` and `LV_STATE_PRESSED` states and when yo… 175 To check if an object is in a given state use `lv_obj_has_state(obj, LV_STATE_...)`. It will return… 226 If a property is not set on for the current state, the style with `LV_STATE_DEFAULT` will be used. … 228 …es) can be inherited. This means if a property is not set in an object it will be searched for in … [all …]
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/lvgl-3.5.0/docs/get-started/platforms/ |
D | nxp.md | 57 …FREE_RTOS` symbol is defined, FreeRTOS implementation will be used, otherwise bare metal code will… 87 …- By default, `LV_GPU_NXP_PXP_LOG_ERRORS` is enabled so that any PXP error will be seen on SDK deb… 98 …- Area threshold (size limit) is configurable and used to decide whether the area will be processe… 99 …Areas smaller than the defined value will be processed by CPU and those bigger than the threshold … 143 - `SDK_OS_FREE_RTOS` symbol needs to be defined so that the FreeRTOS implementation will be used 170 …- By default, `LV_GPU_NXP_VG_LITE_LOG_ERRORS` is enabled so that any VGLite error will be seen on … 175 …- Area threshold (size limit) is configurable and used to decide whether the area will be processe… 176 …Areas smaller than the defined value will be processed by CPU and those bigger than the threshold …
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/lvgl-3.5.0/docs/porting/ |
D | indev.md | 25 `read_cb` is a function pointer which will be called periodically to report the current state of an… 85 - When you press the encoder on a simple object (like a button), it will be clicked. 86 - If you press the encoder on a complex object (like a list, message box, etc.) the object will go … 112 - `LV_KEY_ENTER` will simulate press or pushing of the encoder button 113 - `LV_KEY_LEFT` will simulate turning encoder left 114 - `LV_KEY_RIGHT` will simulate turning encoder right 115 - other keys will be passed to the focused widget 117 If you hold the keys it will simulate an encoder advance with period specified in `indev_drv.long_p… 139 If a button is pressed it will simulate the pressing on the assigned coordinate. (Similarly to a to… 192 Setting the `data->continue_reading` flag will tell LVGL there is more data to read and it should c…
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D | display.md | 28 If only a small area changes (e.g. a button is pressed) then only that area will be refreshed. 49 In the display driver (`lv_disp_drv_t`) enabling the `full_refresh` bit will force LVGL to always r… 52 …controller (e.g. ILI9341 or SSD1963) accessed via serial link. The latter will generally be too sl… 55 If the `direct_mode` flag is enabled in the display driver LVGL will draw directly into a **screen … 56 It this case `flush_cb` will be called only once when all dirty areas are redrawn. 58 If 2 frame buffers are provided as draw buffers LVGL will alter the buffers but always draw only th… 93 - `color_chroma_key` A color which will be drawn as transparent on chrome keyed images. Set to `LV_… 112 - `gpu_wait_cb` if any GPU function returns while the GPU is still working, LVGL will use this func… 197 If you select software rotation (`sw_rotate` flag set to 1), LVGL will perform the rotation for you…
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/lvgl-3.5.0/env_support/cmsis-pack/ |
D | lv_conf_cmsis.h | 34 /*Images pixels with this color will not be drawn if they are chroma keyed)*/ 49 …/*Instead of an address give a memory allocator that will be called to get a memory pool for LVGL.… 63 *You will see an error log message if there wasn't enough buffers. */ 73 /*Default display refresh period. LVG will redraw changed areas with this period time*/ 134 * - LV_LAYER_SIMPLE_BUF_SIZE: [bytes] the optimal target buffer size. LVGL will try to allocate it 158 *If the cache is too small the map will be allocated only while it's required for the drawing. 251 *If LV_USE_LOG is enabled an error message will be printed on failure*/ 320 /*Will be added where memories needs to be aligned (with -Os data might not be aligned to boundary … 382 *You can use these fonts as default font too and they will be available globally. 391 *Compiler error will be triggered if a font needs it.*/ [all …]
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/lvgl-3.5.0/docs/widgets/core/ |
D | img.md | 31 You can also set a symbol similarly to [Labels](/widgets/core/label). In this case, the image will … 41 - **Chroma-keying** - Pixels with `LV_COLOR_CHROMA_KEY` (*lv_conf.h*) color will be transparent. 60 If the width or height of the image object is set to `LV_SIZE_CONTENT` the object's size will be se… 63 If the object's size is greater than the image size in any directions, then the image will be repea… 74 Using the `lv_img_set_zoom(img, factor)` the images will be zoomed. Set `factor` to `256` or `LV_IM… 89 …n't change during transformation. That is `lv_obj_get_width/height/x/y()` will return the original… 103 In this case if the width/height of the object is set to `LV_SIZE_CONTENT` the object's size will b… 104 If an explicit size is set then the overflowing content will be cropped. 109 content to rounded rectangle or circular shape. Please note this will have some negative performanc…
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/lvgl-3.5.0/docs/layouts/ |
D | flex.md | 19 - grow: if set on an item it will grow to fill the remaining space on the track. 20 The available space will be distributed among items respective to their grow value (larger value me… 55 The first item will have one unit of space against the container edge, but two units of space betwe… 61 …n the track. When more children have grow parameters, the available space will be distributed prop… 67 `A` and `B` will have 100 px size, and `C` will have 200 px size. 95 …LEX_ALIGN_START` and `LV_FLEX_ALIGN_END` is swapped on `ROW` layouts. I.e. `START` will mean right. 97 The items on `ROW` layouts, and tracks of `COLUMN` layouts will be placed from right to left.
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/lvgl-3.5.0/docs/ |
D | CONTRIBUTING.md | 19 …mation). It makes understanding your contribution or issue easier and you will get a useful respon… 48 It will "copy" the `lvgl` repository to your GitHub account (`https://github.com/<YOUR_NAME>?tab=re… 55 … more changes, just update your forked `lvgl` repo with new commits. They will automatically appea… 203 As you learn LVGL you will probably play with the features of widgets. Why not publish your experim… 278 … (e.g. from the Forum) to the current maintainers of the repository. They will check if the prereq… 286 This way your project will become part of the whole LVGL project and can get more visibility. 289 …our port fit well into the LVGL organization, we will open a repository for your project where you… 296 - If there is no activity in a repo for 1 year it will be archived
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/lvgl-3.5.0/src/core/ |
D | lv_obj_draw.h | 48 …rect_dsc; /**< A draw descriptor that can be modified to changed what LVGL will draw. Set onl… 50 …label_dsc; /**< A draw descriptor that can be modified to changed what LVGL will draw. Set only… 52 …line_dsc; /**< A draw descriptor that can be modified to changed what LVGL will draw. Set onl… 54 …img_dsc; /**< A draw descriptor that can be modified to changed what LVGL will draw. Set onl… 56 …arc_dsc; /**< A draw descriptor that can be modified to changed what LVGL will draw. Set onl… 80 * @note Only the relevant fields will be set. 149 * The result will be saved in `obj`.
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