Seintian de3d63cf61 feat(ncurses): optimize rendering, fix memory leaks, and add rounded corners ... Significantly improves the stability, performance, and visual quality of the ncurses renderer. **Renderer Improvements (`clay_renderer_ncurses.c`):** * **Flicker Reduction**: * Removed `erase()` call at the start of the frame to enable differential rendering. * Implemented "Dirty Check" optimizations for Rectangles, Borders, and Text. The renderer now reads the existing screen content (using `mvinch`, `mvin_wch`, `mvin_wchnstr`) and only issues draw commands if the content or color differs. * Hardened Rectangle dirty check to mask out volatile attributes (comparing only `A_CHARTEXT | A_COLOR`), preventing false-positive redraws caused by internal terminal flags. * **Memory Safety**: * Fixed internal ncurses memory leaks by calling `delscreen(set_term(NULL))` in `Clay_Ncurses_Terminate` to properly free the default screen wrapper. * **Visual Features**: * Added support for **Rounded Corners**: Borders with `cornerRadius > 0` now render using Unicode arc characters (`╭`, `╮`, `╯`, `╰`). * Upgraded standard borders to use full Unicode box-drawing characters. **Example Application Updates (`ncurses-example/main.c`):** * **Layout Stability**: * Refactored all layout dimensions and gaps to use `CLAY_NCURSES_CELL_WIDTH` (8) and `CLAY_NCURSES_CELL_HEIGHT` (16) macros, ensuring strict grid alignment. * Fixed vertical jitter in "Profile Icon" and text headers by enforcing exact height multiples and top-alignment, eliminating sub-pixel rounding errors during scroll. * **New UI Elements**: * Added a **Floating Help Modal** (toggled via 'H') to demonstrate Z-ordering and localized input handling. * Added "Server Status" progress bars to the Sidebar to demonstrate percent-based sizing and colored rectangles. * Added "Mixed Border" examples to the Sidebar to showcase the new rounded corner capabilities. * Added "Black" background constant usage for cleaner code.		2025-12-28 18:05:06 +01:00
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clay_renderer_ncurses.c	feat(ncurses): optimize rendering, fix memory leaks, and add rounded corners	2025-12-28 18:05:06 +01:00