From bce944d1498eaa3b6940ee234c863b3548a66b37 Mon Sep 17 00:00:00 2001 From: Benji Dial Date: Sun, 24 Jan 2021 12:00:11 -0500 Subject: graphics! --- src/user/libfont/fonts.c | 66 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 src/user/libfont/fonts.c (limited to 'src/user/libfont/fonts.c') diff --git a/src/user/libfont/fonts.c b/src/user/libfont/fonts.c new file mode 100644 index 0000000..1692992 --- /dev/null +++ b/src/user/libfont/fonts.c @@ -0,0 +1,66 @@ +#include +#include +#include +#include +#include + +#include "filist.h" +#include "bdf.h" + +#define FONT_PATH "fonts/" +#define FONT_PATH_L 6 + +struct font_loader_t { + const char *ext; + bool (*func)(const char *, struct font_info *); +} font_loaders[] = { + { .ext = ".bdf", + .func = try_load_bdf + }, + { .ext = "" + } +}; + +struct font_info *get_font(const char *name) { + struct font_info *font = find_entry(name); + if (font) + return font; + font = new_entry(name); + if (!font) + return 0;//out of memory? + + const uint32_t name_len = strlen(name); + for (struct font_loader_t *i = font_loaders; i->ext[0]; ++i) { + char *buf = get_block(FONT_PATH_L + name_len + strlen(i->ext) + 1); + blockcpy(buf, FONT_PATH, FONT_PATH_L); + blockcpy(buf + FONT_PATH_L, name, name_len); + strcpy(buf + FONT_PATH_L + name_len, i->ext); + struct file *f = open_file(buf); + if (!f) { + free_block(buf); + continue; + } + syslogf("[libfont] Loading %s%s...", name, i->ext); + if (i->func(buf, font)) { + close_file(f); + free_block(buf); + syslogf("[libfont] Loaded %s%s.", name, i->ext); + return font; + } + close_file(f); + free_block(buf); + syslogf("[libfont] Failed to load %s%s.", name, i->ext); + } + del_last(); + return 0; +} + +void put_char(const struct font_info *font, char ch, uint8_t *pb_ptr, uint32_t pb_pitch, uint8_t bg, uint8_t fg) { +//char *const msg = format("put_char(font = 0x%x, ch = '%c', pb_ptr = 0x%x, pb_pitch = %u, bg = 0x%2x, fg = 0x%2x);", font, ch, pb_ptr, pb_pitch, bg, fg); +//_system_log(msg); +//free_block(msg); + const bool *const bitmap = font->bitmaps[(uint8_t)ch] ? font->bitmaps[(uint8_t)ch] : font->bitmaps[0]; + for (uint32_t y = 0; y < font->char_height; ++y) + for (uint32_t x = 0; x < font->char_width; ++x) + pb_ptr[y * pb_pitch + x] = bitmap[y * font->char_width + x] ? fg : bg; +} \ No newline at end of file -- cgit v1.2.3