diff options
| -rw-r--r-- | framebuffer.c | 23 | ||||
| -rw-r--r-- | framebuffer.h | 7 |
2 files changed, 30 insertions, 0 deletions
diff --git a/framebuffer.c b/framebuffer.c index 01d169c..1b8439d 100644 --- a/framebuffer.c +++ b/framebuffer.c @@ -80,6 +80,29 @@ void fb_vert_line(Framebuffer fb, size_t x, size_t y1, size_t y2, Pixel pixel) { } } +void fb_text(Framebuffer fb, long x, size_t y, char *s, Colour fg, Colour bg) { + if (x >= (long)term_width || y >= term_height) return; /* OOB */ + + while (x < 0 && *s != '\0') { x++, s++; } + + Pixel p = {fg, bg, '\0'}; + for(; *s != '\0' && x < (long)term_width; s++, x++) { + p.ch = *s; + fb.fb[y][x] = p; + } +} + +void fb_text_no_bg(Framebuffer fb, long x, size_t y, char *s, Colour fg) { + if (x >= (long)term_width || y >= term_height) return; /* OOB */ + + while (x < 0 && *s != '\0') { x++, s++; } + + for(; *s != '\0' && x < (long)term_width; s++, x++) { + fb.fb[y][x].ch = *s; + fb.fb[y][x].fg = fg; + } +} + void term_init(void) { tcgetattr(0, &initial_terminal_state); diff --git a/framebuffer.h b/framebuffer.h index 7571294..6191f2c 100644 --- a/framebuffer.h +++ b/framebuffer.h @@ -65,6 +65,13 @@ void fb_put(Framebuffer fb, size_t row, size_t col, Pixel pixel); /* Draws a vertical line to fb on col x, from y1 to y2 */ void fb_vert_line(Framebuffer fb, size_t x, size_t y1, size_t y2, Pixel pixel); +/* Puts s onto fb in position (x, y) with given colour. s has to be null-terminated. + * x is of type long to handle text 'origin' being lefter than the left edge when x < 0 */ +void fb_text(Framebuffer fb, long x, size_t y, char *s, Colour fg, Colour bg); + +/* Same as above, but the background is 'transparent' */ +void fb_text_no_bg(Framebuffer fb, long x, size_t y, char *s, Colour fg); + /* Initializes the terminal and sets TERM_WIDTH and TERM_HEIGHT */ void term_init(void); |
