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Limine/common/lib/gterm.c

940 lines
48 KiB
C
Raw Blame History

#include <stdint.h>
#include <stddef.h>
#include <lib/gterm.h>
#include <lib/misc.h>
#include <lib/libc.h>
#include <lib/config.h>
#include <lib/print.h>
#include <lib/uri.h>
#include <lib/fb.h>
#include <lib/image.h>
#include <lib/rand.h>
#include <mm/pmm.h>
#include <flanterm.h>
#include <flanterm_backends/fb.h>
#include <lib/term.h>
#include <sys/cpu.h>
// Builtin font originally taken from:
// https://github.com/viler-int10h/vga-text-mode-fonts/raw/master/FONTS/PC-OTHER/TOSH-SAT.F16
static const uint8_t builtin_font[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x3c, 0x42, 0x81, 0x81, 0xa5, 0xa5, 0x81, 0x81, 0xa5, 0x99, 0x81, 0x42, 0x3c, 0x00, 0x00,
0x00, 0x3c, 0x7e, 0xff, 0xff, 0xdb, 0xdb, 0xff, 0xff, 0xdb, 0xe7, 0xff, 0x7e, 0x3c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00,
0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00,
0x00, 0x00, 0x00, 0x18, 0x3c, 0x3c, 0xdb, 0xff, 0xff, 0xdb, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x66, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78, 0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x84, 0x84, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd, 0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff,
0x00, 0x00, 0x00, 0x1e, 0x0e, 0x1e, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x10, 0x18, 0x1c, 0x1e, 0x16, 0x12, 0x10, 0x10, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00,
0x00, 0x30, 0x38, 0x2c, 0x26, 0x32, 0x3a, 0x2e, 0x26, 0x22, 0x62, 0xe2, 0xc6, 0x0e, 0x0c, 0x00,
0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00,
0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xfc, 0xf8, 0xf0, 0xe0, 0xc0, 0x80, 0x00, 0x00,
0x00, 0x02, 0x06, 0x0e, 0x1e, 0x3e, 0x7e, 0xfe, 0x7e, 0x3e, 0x1e, 0x0e, 0x06, 0x02, 0x00, 0x00,
0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0xcc, 0xcc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7f, 0xdb, 0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c, 0xc6, 0x7c, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0xfc, 0x00, 0x00,
0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x0c, 0xfe, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0xfe, 0x60, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x24, 0x66, 0xff, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x30, 0x30, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00,
0x00, 0x18, 0x18, 0x7c, 0xc6, 0xc0, 0xc0, 0x7c, 0x06, 0x06, 0xc6, 0x7c, 0x18, 0x18, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0x0c, 0x0c, 0x18, 0x38, 0x30, 0x60, 0x60, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x38, 0x6c, 0x6c, 0x38, 0x30, 0x76, 0xde, 0xcc, 0xcc, 0xde, 0x76, 0x00, 0x00, 0x00,
0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x18, 0x30, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x60, 0x30, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x38, 0xfe, 0x38, 0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x06, 0x06, 0x0c, 0x0c, 0x18, 0x38, 0x30, 0x60, 0x60, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x04, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc, 0xfe, 0x0c, 0x0c, 0x0c, 0x0c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x3c, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c, 0x78, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xde, 0xde, 0xde, 0xde, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xf8, 0xcc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xcc, 0xf8, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xde, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1e, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xee, 0xfe, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xe6, 0xe6, 0xf6, 0xde, 0xce, 0xce, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xf6, 0xda, 0x6c, 0x06, 0x00, 0x00,
0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc, 0xd8, 0xcc, 0xcc, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x7c, 0xc6, 0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x6c, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0xfe, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
0x00, 0x00, 0x78, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x78, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0xc0, 0x60, 0x60, 0x30, 0x38, 0x18, 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00,
0x00, 0x00, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x78, 0x00, 0x00, 0x00,
0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
0x00, 0x00, 0x18, 0x18, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xe6, 0xdc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x06, 0x06, 0x06, 0x76, 0xce, 0xc6, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1c, 0x36, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xce, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00,
0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x18, 0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
0x00, 0x00, 0x06, 0x00, 0x00, 0x1e, 0x06, 0x06, 0x06, 0x06, 0x06, 0x06, 0xc6, 0xc6, 0x7c, 0x00,
0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc6, 0xcc, 0xd8, 0xf0, 0xf0, 0xd8, 0xcc, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c, 0xee, 0x00, 0x00, 0x00,
0x00, 0x00, 0x78, 0xcc, 0x60, 0x30, 0x78, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xbb, 0x99, 0x99, 0xdd, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x02, 0x06, 0x3c, 0x6c, 0xce, 0xd6, 0xd6, 0xe6, 0x6c, 0x78, 0xc0, 0x80, 0x00, 0x00,
0x00, 0x00, 0x1e, 0x30, 0x60, 0xc0, 0xc0, 0xfe, 0xc0, 0xc0, 0x60, 0x30, 0x1e, 0x00, 0x00, 0x00,
0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x1c, 0x36, 0x36, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x0f, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c, 0x00, 0x00,
0x00, 0xd8, 0xec, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x38, 0x6c, 0x0c, 0x18, 0x30, 0x60, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
#define FONT_MAX 16384
static struct image *background;
static size_t margin = 64;
static size_t margin_gradient = 4;
static uint32_t default_bg, default_fg;
static uint32_t default_bg_bright, default_fg_bright;
static size_t bg_canvas_size;
static uint32_t *bg_canvas;
#define A(rgb) (uint8_t)(rgb >> 24)
#define R(rgb) (uint8_t)(rgb >> 16)
#define G(rgb) (uint8_t)(rgb >> 8)
#define B(rgb) (uint8_t)(rgb)
#define ARGB(a, r, g, b) (((a) << 24) | (((r) & 0xFF) << 16) | (((g) & 0xFF) << 8) | ((b) & 0xFF))
static inline uint32_t colour_blend(uint32_t fg, uint32_t bg) {
unsigned alpha = 255 - A(fg);
unsigned inv_alpha = A(fg) + 1;
uint8_t r = (uint8_t)((alpha * R(fg) + inv_alpha * R(bg)) / 256);
uint8_t g = (uint8_t)((alpha * G(fg) + inv_alpha * G(bg)) / 256);
uint8_t b = (uint8_t)((alpha * B(fg) + inv_alpha * B(bg)) / 256);
return ARGB(0, r, g, b);
}
static uint32_t blend_gradient_from_box(struct fb_info *fb, size_t x, size_t y, uint32_t bg_px, uint32_t hex) {
size_t distance, x_distance, y_distance;
size_t gradient_stop_x = fb->framebuffer_width - margin;
size_t gradient_stop_y = fb->framebuffer_height - margin;
if (x < margin)
x_distance = margin - x;
else
x_distance = x - gradient_stop_x;
if (y < margin)
y_distance = margin - y;
else
y_distance = y - gradient_stop_y;
if (x >= margin && x < gradient_stop_x) {
distance = y_distance;
} else if (y >= margin && y < gradient_stop_y) {
distance = x_distance;
} else {
distance = sqrt((uint64_t)x_distance * (uint64_t)x_distance
+ (uint64_t)y_distance * (uint64_t)y_distance);
}
if (distance > margin_gradient)
return bg_px;
uint8_t gradient_step = (0xff - A(hex)) / margin_gradient;
uint8_t new_alpha = A(hex) + gradient_step * distance;
return colour_blend((hex & 0xffffff) | (new_alpha << 24), bg_px);
}
typedef size_t fixedp6; // the last 6 bits are the fixed point part
static size_t fixedp6_to_int(fixedp6 value) { return value / 64; }
static fixedp6 int_to_fixedp6(size_t value) { return value * 64; }
// Draw rect at coordinates, copying from the image to the fb and canvas, applying fn on every pixel
__attribute__((always_inline)) static inline void genloop(struct fb_info *fb, size_t xstart, size_t xend, size_t ystart, size_t yend, uint32_t (*blend)(struct fb_info *fb, size_t x, size_t y, uint32_t orig)) {
uint8_t *img = background->img;
const size_t img_width = background->img_width, img_height = background->img_height, img_pitch = background->pitch, colsize = background->bpp / 8;
if (xstart > xend) {
size_t tmp = xstart;
xstart = xend;
xend = tmp;
}
if (ystart > yend) {
size_t tmp = ystart;
ystart = yend;
yend = tmp;
}
switch (background->type) {
case IMAGE_TILED:
for (size_t y = ystart; y < yend; y++) {
size_t image_y = y % img_height, image_x = xstart % img_width;
const size_t off = img_pitch * image_y;
size_t canvas_off = fb->framebuffer_width * y;
for (size_t x = xstart; x < xend; x++) {
uint32_t img_pixel = *(uint32_t*)(img + image_x * colsize + off);
uint32_t i = blend(fb, x, y, img_pixel);
bg_canvas[canvas_off + x] = i;
if (++image_x == img_width) image_x = 0; // image_x = x % img_width, but modulo is too expensive
}
}
break;
case IMAGE_CENTERED:
for (size_t y = ystart; y < yend; y++) {
int64_t image_y = (int64_t)y - background->y_displacement;
size_t canvas_off = fb->framebuffer_width * y;
if (image_y < 0 || (uint64_t)image_y >= background->y_size) { /* external part */
for (size_t x = xstart; x < xend; x++) {
uint32_t i = blend(fb, x, y, background->back_colour);
bg_canvas[canvas_off + x] = i;
}
}
else { /* internal part */
const size_t off = img_pitch * (size_t)image_y;
for (size_t x = xstart; x < xend; x++) {
uint32_t pixel;
int64_t image_x = (int64_t)x - background->x_displacement;
if (image_x < 0 || (uint64_t)image_x >= background->x_size) {
pixel = background->back_colour;
} else {
pixel = *(uint32_t*)(img + (size_t)image_x * colsize + off);
}
uint32_t i = blend(fb, x, y, pixel);
bg_canvas[canvas_off + x] = i;
}
}
}
break;
// For every pixel, ratio = img_width / gterm_width, img_x = x * ratio, x = (xstart + i)
// hence x = xstart * ratio + i * ratio
// so you can set x = xstart * ratio, and increment by ratio at each iteration
case IMAGE_STRETCHED:
for (size_t y = ystart; y < yend; y++) {
size_t img_y = (y * img_height) / fb->framebuffer_height; // calculate Y with full precision
size_t off = img_pitch * img_y;
size_t canvas_off = fb->framebuffer_width * y;
size_t ratio = int_to_fixedp6(img_width) / fb->framebuffer_width;
fixedp6 img_x = ratio * xstart;
for (size_t x = xstart; x < xend; x++) {
uint32_t img_pixel = *(uint32_t*)(img + fixedp6_to_int(img_x) * colsize + off);
uint32_t i = blend(fb, x, y, img_pixel);
bg_canvas[canvas_off + x] = i;
img_x += ratio;
}
}
break;
}
}
static uint32_t blend_external(struct fb_info *fb, size_t x, size_t y, uint32_t orig) { (void)fb; (void)x; (void)y; return orig; }
static uint32_t blend_internal(struct fb_info *fb, size_t x, size_t y, uint32_t orig) { (void)fb; (void)x; (void)y; return colour_blend(default_bg, orig); }
static uint32_t blend_margin(struct fb_info *fb, size_t x, size_t y, uint32_t orig) { return blend_gradient_from_box(fb, x, y, orig, default_bg); }
static void loop_external(struct fb_info *fb, size_t xstart, size_t xend, size_t ystart, size_t yend) { genloop(fb, xstart, xend, ystart, yend, blend_external); }
static void loop_margin(struct fb_info *fb, size_t xstart, size_t xend, size_t ystart, size_t yend) { genloop(fb, xstart, xend, ystart, yend, blend_margin); }
static void loop_internal(struct fb_info *fb, size_t xstart, size_t xend, size_t ystart, size_t yend) { genloop(fb, xstart, xend, ystart, yend, blend_internal); }
static void generate_canvas(struct fb_info *fb) {
if (background) {
// Free previous canvas if it exists
if (bg_canvas != NULL) {
pmm_free(bg_canvas, bg_canvas_size);
}
bg_canvas_size = CHECKED_MUL(fb->framebuffer_width, fb->framebuffer_height,
panic(false, "gterm: canvas size overflow"));
bg_canvas_size = CHECKED_MUL(bg_canvas_size, sizeof(uint32_t),
panic(false, "gterm: canvas size overflow"));
bg_canvas = ext_mem_alloc(bg_canvas_size);
// Clamp margin to half the framebuffer dimensions to prevent underflow
size_t max_margin = fb->framebuffer_width / 2;
if (fb->framebuffer_height / 2 < max_margin) {
max_margin = fb->framebuffer_height / 2;
}
size_t effective_margin = margin > max_margin ? max_margin : margin;
size_t effective_margin_gradient = margin_gradient > effective_margin ? effective_margin : margin_gradient;
int64_t margin_no_gradient = (int64_t)effective_margin - effective_margin_gradient;
if (margin_no_gradient < 0) {
margin_no_gradient = 0;
}
size_t scan_stop_x = fb->framebuffer_width - margin_no_gradient;
size_t scan_stop_y = fb->framebuffer_height - margin_no_gradient;
loop_external(fb, 0, fb->framebuffer_width, 0, margin_no_gradient);
loop_external(fb, 0, fb->framebuffer_width, scan_stop_y, fb->framebuffer_height);
loop_external(fb, 0, margin_no_gradient, margin_no_gradient, scan_stop_y);
loop_external(fb, scan_stop_x, fb->framebuffer_width, margin_no_gradient, scan_stop_y);
size_t gradient_stop_x = fb->framebuffer_width - effective_margin;
size_t gradient_stop_y = fb->framebuffer_height - effective_margin;
if (effective_margin_gradient) {
loop_margin(fb, margin_no_gradient, scan_stop_x, margin_no_gradient, effective_margin);
loop_margin(fb, margin_no_gradient, scan_stop_x, gradient_stop_y, scan_stop_y);
loop_margin(fb, margin_no_gradient, effective_margin, effective_margin, gradient_stop_y);
loop_margin(fb, gradient_stop_x, scan_stop_x, effective_margin, gradient_stop_y);
}
loop_internal(fb, effective_margin, gradient_stop_x, effective_margin, gradient_stop_y);
} else {
bg_canvas = NULL;
bg_canvas_size = 0;
}
}
static void parse_palette(const char *str, uint32_t *colours) {
const char *first = str;
for (size_t i = 0; i < 8; i++) {
const char *last;
uint32_t col = strtoui(first, &last, 16);
if (first == last)
break;
colours[i] = col & 0xffffff;
if (*last == 0)
break;
first = last + 1;
}
}
struct gterm_config {
int fb_rotation;
uint32_t ansi_colours[8];
uint32_t ansi_bright_colours[8];
char *theme_background;
uint8_t *font;
size_t font_width;
size_t font_height;
size_t font_size;
size_t font_spacing;
size_t font_scale_x;
size_t font_scale_y;
bool font_scale_is_default;
};
static void gterm_parse_config(char *config, struct gterm_config *cfg) {
cfg->fb_rotation = FLANTERM_FB_ROTATE_0;
char *rotation_str = config_get_value(config, 0, "INTERFACE_ROTATION");
if (rotation_str != NULL) {
int rotation_val = strtoui(rotation_str, NULL, 10);
switch (rotation_val) {
case 90: cfg->fb_rotation = FLANTERM_FB_ROTATE_90; break;
case 180: cfg->fb_rotation = FLANTERM_FB_ROTATE_180; break;
case 270: cfg->fb_rotation = FLANTERM_FB_ROTATE_270; break;
}
}
cfg->ansi_colours[0] = 0x00000000;
cfg->ansi_colours[1] = 0x00aa0000;
cfg->ansi_colours[2] = 0x0000aa00;
cfg->ansi_colours[3] = 0x00aa5500;
cfg->ansi_colours[4] = 0x000000aa;
cfg->ansi_colours[5] = 0x00aa00aa;
cfg->ansi_colours[6] = 0x0000aaaa;
cfg->ansi_colours[7] = 0x00aaaaaa;
char *colours = config_get_value(config, 0, "TERM_PALETTE");
if (colours != NULL) {
parse_palette(colours, cfg->ansi_colours);
}
cfg->ansi_bright_colours[0] = 0x00555555;
cfg->ansi_bright_colours[1] = 0x00ff5555;
cfg->ansi_bright_colours[2] = 0x0055ff55;
cfg->ansi_bright_colours[3] = 0x00ffff55;
cfg->ansi_bright_colours[4] = 0x005555ff;
cfg->ansi_bright_colours[5] = 0x00ff55ff;
cfg->ansi_bright_colours[6] = 0x0055ffff;
cfg->ansi_bright_colours[7] = 0x00ffffff;
char *bright_colours = config_get_value(config, 0, "TERM_PALETTE_BRIGHT");
if (bright_colours != NULL) {
parse_palette(bright_colours, cfg->ansi_bright_colours);
}
default_bg = 0x00000000;
default_fg = 0x00aaaaaa;
default_bg_bright = 0x00555555;
default_fg_bright = 0x00ffffff;
cfg->theme_background = config_get_value(config, 0, "TERM_BACKGROUND");
if (cfg->theme_background != NULL) {
default_bg = strtoui(cfg->theme_background, NULL, 16);
}
char *theme_foreground = config_get_value(config, 0, "TERM_FOREGROUND");
if (theme_foreground != NULL) {
default_fg = strtoui(theme_foreground, NULL, 16) & 0xffffff;
}
char *theme_background_bright = config_get_value(config, 0, "TERM_BACKGROUND_BRIGHT");
if (theme_background_bright != NULL) {
default_bg_bright = strtoui(theme_background_bright, NULL, 16);
}
char *theme_foreground_bright = config_get_value(config, 0, "TERM_FOREGROUND_BRIGHT");
if (theme_foreground_bright != NULL) {
default_fg_bright = strtoui(theme_foreground_bright, NULL, 16);
}
size_t wallpaper_count = 0;
while (config_get_value(config, wallpaper_count, "WALLPAPER") != NULL)
wallpaper_count++;
background = NULL;
if (wallpaper_count > 0) {
char *background_path = config_get_value(config, rand32() % wallpaper_count, "WALLPAPER");
if (background_path != NULL) {
struct file_handle *bg_file;
if ((bg_file = uri_open(background_path)) != NULL) {
background = image_open(bg_file);
fclose(bg_file);
}
}
}
margin = 64;
margin_gradient = 4;
if (background == NULL) {
margin = 0;
margin_gradient = 0;
} else {
if (cfg->theme_background == NULL) {
default_bg = 0x80000000;
}
}
char *theme_margin = config_get_value(config, 0, "TERM_MARGIN");
if (theme_margin != NULL) {
margin = strtoui(theme_margin, NULL, 10);
}
char *theme_margin_gradient = config_get_value(config, 0, "TERM_MARGIN_GRADIENT");
if (theme_margin_gradient != NULL) {
margin_gradient = strtoui(theme_margin_gradient, NULL, 10);
}
if (margin_gradient > margin) {
margin_gradient = margin;
}
cfg->font_width = 8;
cfg->font_height = 16;
cfg->font_size = (cfg->font_width * cfg->font_height * FLANTERM_FB_FONT_GLYPHS) / 8;
cfg->font = ext_mem_alloc(FONT_MAX);
memcpy(cfg->font, builtin_font, 4096);
size_t tmp_font_width, tmp_font_height;
char *menu_font_size = config_get_value(config, 0, "TERM_FONT_SIZE");
if (menu_font_size != NULL) {
if (!parse_resolution(&tmp_font_width, &tmp_font_height, NULL, menu_font_size)) {
print("Could not parse TERM_FONT_SIZE. Using default font.\n");
goto config_no_load_font;
}
if (tmp_font_width != 8) {
print("Font width must be 8, got %u. Using default font.\n", tmp_font_width);
goto config_no_load_font;
}
size_t tmp_font_size = CHECKED_MUL(tmp_font_width, tmp_font_height,
goto config_no_load_font);
tmp_font_size = CHECKED_MUL(tmp_font_size, FLANTERM_FB_FONT_GLYPHS,
goto config_no_load_font) / 8;
if (tmp_font_size > FONT_MAX) {
print("Font would be too large (%U bytes, %u bytes allowed). Not loading.\n", (uint64_t)tmp_font_size, FONT_MAX);
goto config_no_load_font;
}
cfg->font_size = tmp_font_size;
}
char *menu_font = config_get_value(config, 0, "TERM_FONT");
if (menu_font != NULL) {
struct file_handle *f;
if ((f = uri_open(menu_font)) == NULL) {
print("menu: Could not open font file.\n");
} else {
if (cfg->font_size > f->size) {
print("Font size too large for provided font file. Not loading.\n");
fclose(f);
goto config_no_load_font;
}
fread(f, cfg->font, 0, cfg->font_size);
if (menu_font_size != NULL) {
cfg->font_width = tmp_font_width;
cfg->font_height = tmp_font_height;
}
fclose(f);
}
}
config_no_load_font:;
cfg->font_spacing = 1;
char *font_spacing_str = config_get_value(config, 0, "TERM_FONT_SPACING");
if (font_spacing_str != NULL) {
cfg->font_spacing = strtoui(font_spacing_str, NULL, 10);
}
cfg->font_scale_x = 1;
cfg->font_scale_y = 1;
cfg->font_scale_is_default = true;
char *menu_font_scale = config_get_value(config, 0, "TERM_FONT_SCALE");
if (menu_font_scale != NULL) {
parse_resolution(&cfg->font_scale_x, &cfg->font_scale_y, NULL, menu_font_scale);
if (cfg->font_scale_x == 0 || cfg->font_scale_y == 0
|| cfg->font_scale_x > 8 || cfg->font_scale_y > 8) {
cfg->font_scale_x = 1;
cfg->font_scale_y = 1;
} else {
cfg->font_scale_is_default = false;
}
}
}
static void gterm_fb_setup(struct fb_info *fb, char *config,
struct gterm_config *cfg,
size_t *out_scale_x, size_t *out_scale_y) {
if (cfg->fb_rotation == FLANTERM_FB_ROTATE_90 || cfg->fb_rotation == FLANTERM_FB_ROTATE_270) {
uint64_t tmp = fb->framebuffer_width;
fb->framebuffer_width = fb->framebuffer_height;
fb->framebuffer_height = tmp;
}
if (background != NULL) {
char *background_layout = config_get_value(config, 0, "WALLPAPER_STYLE");
if (background_layout != NULL && strcmp(background_layout, "centered") == 0) {
char *background_colour = config_get_value(config, 0, "BACKDROP");
if (background_colour == NULL)
background_colour = "0";
uint32_t bg_col = strtoui(background_colour, NULL, 16);
image_make_centered(background, fb->framebuffer_width, fb->framebuffer_height, bg_col);
} else if (background_layout != NULL && strcmp(background_layout, "tiled") == 0) {
} else {
image_make_stretched(background, fb->framebuffer_width, fb->framebuffer_height);
}
}
generate_canvas(fb);
*out_scale_x = cfg->font_scale_x;
*out_scale_y = cfg->font_scale_y;
if (cfg->font_scale_is_default) {
*out_scale_x = 1;
*out_scale_y = 1;
if (fb->framebuffer_width >= (1920 + 1920 / 3) && fb->framebuffer_height >= (1080 + 1080 / 3)) {
*out_scale_x = 2;
*out_scale_y = 2;
}
if (fb->framebuffer_width >= (3840 + 3840 / 3) && fb->framebuffer_height >= (2160 + 2160 / 3)) {
*out_scale_x = 4;
*out_scale_y = 4;
}
}
if (cfg->fb_rotation == FLANTERM_FB_ROTATE_90 || cfg->fb_rotation == FLANTERM_FB_ROTATE_270) {
uint64_t tmp = fb->framebuffer_width;
fb->framebuffer_width = fb->framebuffer_height;
fb->framebuffer_height = tmp;
}
}
bool gterm_init(struct fb_info **_fbs, size_t *_fbs_count,
char *config, size_t width, size_t height) {
static struct fb_info *fbs;
static size_t fbs_count;
static bool prev_valid = false;
static char *prev_config;
static size_t prev_width, prev_height;
if (prev_valid && config == prev_config && width == prev_width && height == prev_height) {
*_fbs = fbs;
*_fbs_count = fbs_count;
reset_term();
return true;
}
prev_valid = false;
if (quiet) {
term_notready();
return false;
}
#if defined (UEFI)
if (serial || COM_OUTPUT) {
term_fallback();
return true;
}
#endif
term_notready();
// We force bpp to 32
fb_init(&fbs, &fbs_count, width, height, 32, true);
if (_fbs != NULL) {
*_fbs = fbs;
}
if (_fbs_count != NULL) {
*_fbs_count = fbs_count;
}
if (fbs_count == 0) {
return false;
}
struct gterm_config cfg;
gterm_parse_config(config, &cfg);
terms_i = 0;
terms = ext_mem_alloc_counted(fbs_count, sizeof(void *));
for (size_t i = 0; i < fbs_count; i++) {
struct fb_info *fb = &fbs[i];
if (fb->framebuffer_bpp != 32) {
continue;
}
size_t font_scale_x, font_scale_y;
gterm_fb_setup(fb, config, &cfg, &font_scale_x, &font_scale_y);
terms[terms_i] = flanterm_fb_init(ext_mem_alloc_size_t,
pmm_free_size_t,
(void *)(uintptr_t)fb->framebuffer_addr,
fb->framebuffer_width, fb->framebuffer_height, fb->framebuffer_pitch,
fb->red_mask_size, fb->red_mask_shift,
fb->green_mask_size, fb->green_mask_shift,
fb->blue_mask_size, fb->blue_mask_shift,
bg_canvas,
cfg.ansi_colours, cfg.ansi_bright_colours,
&default_bg, &default_fg,
&default_bg_bright, &default_fg_bright,
cfg.font, cfg.font_width, cfg.font_height, cfg.font_spacing,
font_scale_x, font_scale_y,
margin, cfg.fb_rotation);
if (terms[terms_i] != NULL) {
terms_i++;
}
if (bg_canvas != NULL) {
pmm_free(bg_canvas, bg_canvas_size);
bg_canvas = NULL;
}
}
pmm_free(cfg.font, FONT_MAX);
if (background != NULL) {
image_close(background);
background = NULL;
}
if (terms_i == 0) {
pmm_free(terms, fbs_count * sizeof(void *));
return false;
}
for (size_t i = 0; i < terms_i; i++) {
struct flanterm_context *term = terms[i];
if (serial) {
term->cols = term->cols > 80 ? 80 : term->cols;
term->rows = term->rows > 24 ? 24 : term->rows;
}
}
size_t min_cols = (size_t)-1;
size_t min_rows = (size_t)-1;
for (size_t i = 0; i < terms_i; i++) {
struct flanterm_context *term = terms[i];
if (term->cols < min_cols) {
min_cols = term->cols;
}
if (term->rows < min_rows) {
min_rows = term->rows;
}
}
for (size_t i = 0; i < terms_i; i++) {
struct flanterm_context *term = terms[i];
term->cols = min_cols;
term->rows = min_rows;
flanterm_context_reinit(term);
flanterm_fb_set_flush_callback(term, (void *)fb_flush);
}
term_backend = GTERM;
prev_config = config;
prev_height = height;
prev_width = width;
prev_valid = true;
return true;
}
size_t gterm_prepare_flanterm_params(struct fb_info *fbs, size_t fbs_count,
struct flanterm_params *out, size_t out_max) {
struct gterm_config cfg;
gterm_parse_config(NULL, &cfg);
uint32_t configured_default_bg = default_bg;
size_t count = 0;
for (size_t i = 0; i < fbs_count && count < out_max; i++) {
struct fb_info *fb = &fbs[i];
if (fb->framebuffer_bpp != 32) {
continue;
}
size_t font_scale_x, font_scale_y;
gterm_fb_setup(fb, NULL, &cfg, &font_scale_x, &font_scale_y);
struct flanterm_params *p = &out[count];
p->canvas = bg_canvas;
p->canvas_size = bg_canvas_size;
bg_canvas = NULL;
memcpy(p->ansi_colours, cfg.ansi_colours, sizeof(cfg.ansi_colours));
memcpy(p->ansi_bright_colours, cfg.ansi_bright_colours, sizeof(cfg.ansi_bright_colours));
p->default_bg = configured_default_bg;
p->default_fg = default_fg;
p->default_bg_bright = default_bg_bright;
p->default_fg_bright = default_fg_bright;
p->font = cfg.font;
p->font_width = cfg.font_width;
p->font_height = cfg.font_height;
p->font_spacing = cfg.font_spacing;
p->font_scale_x = font_scale_x;
p->font_scale_y = font_scale_y;
p->margin = margin;
p->rotation = cfg.fb_rotation;
count++;
}
if (background != NULL) {
image_close(background);
background = NULL;
}
return count;
}
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