diff options
Diffstat (limited to 'surfaces/vega.h')
| -rw-r--r-- | surfaces/vega.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/surfaces/vega.h b/surfaces/vega.h index 0ab87dd..c172d31 100644 --- a/surfaces/vega.h +++ b/surfaces/vega.h @@ -91,8 +91,16 @@ unsigned long vega_evaluations(void); unsigned vega_width(uint32_t codepoint); /* The code point at text[at] (valid UTF-8) and the bytes it takes. */ size_t vega_decode(const char *text, size_t length, size_t at, uint32_t *codepoint); -/* A control character shown as its control picture (U+2400 block), else itself. */ +/* What a value's code point is shown as, on every surface: a control + * character as its control picture (the U+2400 block, DEL too), a C1 control + * as U+FFFD, a line or paragraph separator as U+2424 (a value never breaks + * its line), else itself. */ uint32_t vega_visible(uint32_t codepoint); +/* In a terminal's cell (the TUI, the CLI) also the controls that would turn + * the rest of the terminal's line around (embeddings, overrides, isolates), + * as U+FFFD: pixels lay a value's text out themselves, within its place. */ +uint32_t vega_cell(uint32_t codepoint); +/* The cells text takes, as vega_cell shows it. */ unsigned vega_text_width(const char *text, size_t length); /* CLI: everything, as plain lines for pipes; color only when asked. */ |