diff --git a/docs/ROADMAP.md b/docs/ROADMAP.md index c9d16b56e..a15b3f4b5 100644 --- a/docs/ROADMAP.md +++ b/docs/ROADMAP.md @@ -2,57 +2,58 @@ ## Planned for v9 -### Naming and API +### Naming and API - [x] `lv_style_set_size()` should have separate width and height parameters - [ ] `lv_img_set_src()` use "type-aware" parameter. See [here](https://github.com/lvgl/lvgl/tree/arch/img-decode-rework) -- [ ] Reconsider image color formats. +- [ ] Reconsider image color formats. - [ ] More consistent names:`remove/clear/delete/del`, `offset/ofs`, `add/create/register`, `id/idx/index`, `middle/mid/center`, `img/image`, `txt/text`, `opa/opacity/alpha`, `scr/screen`, `disp, display`, `finished/complete/completed/ready`, `buf/buffer`, `..._cb`, angle, rotation`, `zoom, scale` - [ ] Reconsider the use of `has`, `is`, `enable` "action" keywords - [ ] Update canvas API (https://github.com/lvgl/lvgl/issues/3393) - [x] `LV_STYLE_PROP_INHERIT` -> `LV_STYLE_PROP_FLAG_INHERITABLE` [LINK](https://github.com/lvgl/lvgl/pull/3390#discussion_r885915769) - [ ] Replace `disp_drv->direct_mode/full_refresh` with enum. - [x] Consider flat directory structure. E.g. `extra/widgets` to `widgets` -- [ ] Rename `disp_drv->monitor_cb` to `render_completed/finished/ready` +- [ ] Rename `disp_drv->monitor_cb` to `render_completed/finished/ready` ### Architecture - [ ] Consider merging `lv_disp_t`, `lv_disp_drv_t`, `lv_disp_draw_buf_t`, `lv_draw_ctx_t`, and `struct`s from the new driver API (or only some of them) -- [ ] Better way to reset global variables in `lv_deinit()` #3385 +- [ ] Better way to reset global variables in `lv_deinit()` #3385 - [ ] New driver architecture #2720 - [x] `draw_ctx->buffer_convert`? See [here](https://github.com/lvgl/lvgl/issues/3379#issuecomment-1147954592). Also remove 16 SWAPPED color format? See [here](https://github.com/lvgl/lvgl/issues/3379#issuecomment-1140886258). -- [ ] Reconsider masks. There should be a generic high level mask API whic is independent of the drawing engine. -- [ ] `get_glyph_bitmap` should return an a8 bitmap that can be blended immediately. +- [ ] Reconsider masks. There should be a generic high level mask API whic is independent of the drawing engine. +- [ ] `get_glyph_bitmap` should return an a8 bitmap that can be blended immediately. - [ ] Reconsider how themes should work. See [here](https://github.com/lvgl/lvgl/pull/3390#pullrequestreview-990710921). -- [ ] Consider to prepare LVGL to render independent areas in parallel. +- [ ] Consider to prepare LVGL to render independent areas in parallel. - [ ] Introduce a pipeline in renderer to support multi-GPUs/Accelerators, such as 2D-capable-DMAs, 2D GPUs, dedicated processor cores for 2D tasks etc. -- [x] More conscious `` wrapper API -- [x] Drop `lv_mem_buf_get` as tlsf should be fast enough for normal allocations too. Fragmentation is also lower if processes can completely clean up after themselves. -- [ ] Use `(u)int32_t` in API where possible. Consider hardcoding `lv_coord_t` as `int32_t`. +- [x] More conscious `` wrapper API +- [x] Drop `lv_mem_buf_get` as tlsf should be fast enough for normal allocations too. Fragmentation is also lower if processes can completely clean up after themselves. +- [ ] Use `(u)int32_t` in API where possible. Consider hardcoding `lv_coord_t` as `int32_t`. - [ ] `lv_array`: replace linked lists with array where possible (arrays are faster and uses less memory) -- [ ] Reconsider how to handle UTF-8 characters (allow different encoding too) and Bidi. Maybe create an abstraction for typesetting. -- [ ] Generic `lv_date_t` and `lv_time_t`? +- [ ] Reconsider how to handle UTF-8 characters (allow different encoding too) and Bidi. Maybe create an abstraction for typesetting. +- [ ] Generic `lv_date_t` and `lv_time_t`? - [ ] Update the `lv_img_dsc_t` to support images larger than 2048x2048 -- [ ] More color formats: 24 bit, ARGB1555, ARGB4444 etc +- [ ] More color formats: 24 bit, ARGB1555, ARGB4444 etc - [ ] Unified caching #3116 #3415 - +- [ ] Make layouts with an `lv_layout_dsc_t` instead of registering an ID+callback. See [here](https://github.com/lvgl/lvgl/issues/3481#issuecomment-1206434501) + ### Styles - [ ] Make `style_bg_img` support `9patch` images - [ ] non-uniform scale of images: scale width and height differently - + ### Widgets - [ ] `lv_img`: Reconsider image sizing models (when the image size is not content): center, top-left, zoom, tile, other? - [ ] `lv_tabview` Replace button matrix with real buttons for more flexibility - [ ] `lv_label` reconsider label long modes. (support min/max-width/height too) #3420 - [ ] Improve `lv_label_align_t` #1656 - + ### Drawing and rendering -- [ ] Allow selecting between the layered (new) and not layered (old) rendering. - +- [ ] Allow selecting between the layered (new) and not layered (old) rendering. + ### Animations - [ ] Consider `anim` events to replace many callbacks with one -- [ ] `lv_anim_time_to_speed` should work differently to remove `style_anim_speed`. E.g. on large values of anim time store the speed. Besides all widgets should use the `style_anim` property. `anim` should clamp the time if it's calculated from speed, e.g `lv_clamp(200, t, 2000)`. (maybe `a->min_time/max_time`). - +- [ ] `lv_anim_time_to_speed` should work differently to remove `style_anim_speed`. E.g. on large values of anim time store the speed. Besides all widgets should use the `style_anim` property. `anim` should clamp the time if it's calculated from speed, e.g `lv_clamp(200, t, 2000)`. (maybe `a->min_time/max_time`). + ## Planned in general - + ### CI - [ ] Plaform independent bechmarking # 3443 - [ ] Run static analyzer @@ -66,7 +67,7 @@ ### Styles - [ ] Hover - + ### Drawing and rendering - [ ] Different radius on each corner #2800 - [ ] gradient to border/outline/shadow @@ -77,14 +78,14 @@ - [ ] ARGB image stroke/grow on the alpha map - [ ] real time blur - [ ] gradient with alpha - + ### Others - [ ] More grid features. E.g. repeat(auto-fill, minmax( px, 1fr)) - [ ] Scene support. See [this comment](https://github.com/lvgl/lvgl/issues/2790#issuecomment-965100911) - [ ] Circle layout. #2871 - [ ] Variable binding. I.e create properties which can be bound to objects and those obejcts are notified on value change. Maybe based on `lv_msg`? - [ ] Consider [stagger animations](https://greensock.com/docs/v3/Staggers). - + ## Ideas - Consider direct binary font format support - Improve groups. [Discussion](https://forum.lvgl.io/t/lv-group-tabindex/2927/3). Reconsider focusing logic. Allow having no widget selected (on web it's possible) @@ -94,8 +95,8 @@ - Functional programming support, pure view? See [here](https://www.freecodecamp.org/news/the-revolution-of-pure-views-aed339db7da4/) - Style components. See [this comment](https://github.com/lvgl/lvgl/issues/2790#issuecomment-965100911) - SVG support: integrate an SVG render library -- Support dot_begin and dot_middle long modes for labels -- Allow matrix input for image transformation? +- Support dot_begin and dot_middle long modes for labels +- Allow matrix input for image transformation? - Radial/skew/conic gradient - Somehow let children inherit the parent's state - text on path