backends/framebuffer.c at d65ea0802dd2fadf318308aa72fd3cd3b0d78f85 · pci.express/flanterm.zig

pci.express / flanterm.zig
Fast and reasonably complete (framebuffer) terminal emulator (Zig fork)
flanterm.zig / backends / framebuffer.c
at d65ea0802dd2fadf318308aa72fd3cd3b0d78f85 44 kB view raw
  1#include <stdint.h>
  2#include <stddef.h>
  3
  4#include "../term.h"
  5#include "framebuffer.h"
  6
  7void *memset(void *, int, size_t);
  8void *memcpy(void *, const void *, size_t);
  9
 10// Builtin font originally taken from:
 11// https://github.com/viler-int10h/vga-text-mode-fonts/raw/master/FONTS/PC-OTHER/TOSH-SAT.F16
 12static const uint8_t builtin_font[] = {
 13  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 14  0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0xa5, 0xa5, 0x81,
 15  0x81, 0xa5, 0x99, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0xff,
 16  0xff, 0xdb, 0xdb, 0xff, 0xff, 0xdb, 0xe7, 0xff, 0x7e, 0x3c, 0x00, 0x00,
 17  0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10,
 18  0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe,
 19  0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
 20  0x3c, 0x3c, 0xdb, 0xff, 0xff, 0xdb, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
 21  0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x66, 0x18, 0x18,
 22  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
 23  0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
 24  0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 25  0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x84, 0x84, 0xcc, 0x78, 0x00,
 26  0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
 27  0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x1e,
 28  0x0e, 0x1e, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
 29  0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc, 0x30, 0x30,
 30  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x18, 0x1c, 0x1e, 0x16, 0x12,
 31  0x10, 0x10, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x38, 0x2c,
 32  0x26, 0x32, 0x3a, 0x2e, 0x26, 0x22, 0x62, 0xe2, 0xc6, 0x0e, 0x0c, 0x00,
 33  0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18,
 34  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf8, 0xfe,
 35  0xf8, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
 36  0x06, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
 37  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78,
 38  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
 39  0xcc, 0xcc, 0x00, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xdb,
 40  0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00,
 41  0x00, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c,
 42  0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 43  0x00, 0x00, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
 44  0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0xfc, 0x00, 0x00,
 45  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
 46  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
 47  0x30, 0x30, 0xfc, 0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 48  0x00, 0x18, 0x0c, 0xfe, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
 49  0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0xfe, 0x60, 0x30, 0x00,
 50  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,
 51  0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 52  0x00, 0x24, 0x66, 0xff, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00,
 53  0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe,
 54  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c,
 55  0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 56  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 57  0x00, 0x00, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x30, 0x30, 0x00, 0x30,
 58  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00,
 59  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
 60  0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00,
 61  0x00, 0x18, 0x18, 0x7c, 0xc6, 0xc0, 0xc0, 0x7c, 0x06, 0x06, 0xc6, 0x7c,
 62  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x0c, 0x0c, 0x18, 0x38,
 63  0x30, 0x60, 0x60, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
 64  0x6c, 0x38, 0x30, 0x76, 0xde, 0xcc, 0xcc, 0xde, 0x76, 0x00, 0x00, 0x00,
 65  0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 66  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0x60, 0x60, 0x60,
 67  0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30,
 68  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00,
 69  0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x38, 0xfe, 0x38, 0x6c, 0x00, 0x00,
 70  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e,
 71  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 72  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
 73  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00,
 74  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 75  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06,
 76  0x0c, 0x0c, 0x18, 0x38, 0x30, 0x60, 0x60, 0xc0, 0xc0, 0x00, 0x00, 0x00,
 77  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6,
 78  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18,
 79  0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 80  0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
 81  0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0x06, 0xc6,
 82  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc,
 83  0xfe, 0x0c, 0x0c, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc0,
 84  0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 85  0x00, 0x00, 0x3c, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 86  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18,
 87  0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 88  0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 89  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c,
 90  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
 91  0x18, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 92  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
 93  0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x0c,
 94  0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00,
 95  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x60,
 96  0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00, 0x00, 0x00,
 97  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x00, 0x30,
 98  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xde, 0xde,
 99  0xde, 0xde, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
100  0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
101  0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
102  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0,
103  0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xcc,
104  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xcc, 0xf8, 0x00, 0x00, 0x00,
105  0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
106  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0,
107  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
108  0xc0, 0xc0, 0xc0, 0xde, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
109  0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6,
110  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30,
111  0x30, 0x30, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x0c,
112  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
113  0x00, 0x00, 0xc6, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6,
114  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
115  0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6,
116  0xee, 0xfe, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
117  0x00, 0x00, 0xc6, 0xc6, 0xe6, 0xe6, 0xf6, 0xde, 0xce, 0xce, 0xc6, 0xc6,
118  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
119  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc6,
120  0xc6, 0xc6, 0xc6, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
121  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xf6, 0xda,
122  0x6c, 0x06, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc,
123  0xd8, 0xcc, 0xcc, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
124  0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
125  0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
126  0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
127  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6,
128  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00,
129  0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c,
130  0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x38,
131  0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc,
132  0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
133  0x00, 0x00, 0xfe, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xc0,
134  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x60, 0x60, 0x60, 0x60, 0x60,
135  0x60, 0x60, 0x60, 0x60, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0,
136  0x60, 0x60, 0x30, 0x38, 0x18, 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00,
137  0x00, 0x00, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
138  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00,
139  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
140  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
141  0x00, 0x00, 0x18, 0x18, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
142  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x06, 0x06,
143  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0,
144  0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xe6, 0xdc, 0x00, 0x00, 0x00,
145  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6,
146  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x76, 0xce, 0xc6,
147  0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
148  0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00,
149  0x00, 0x00, 0x1c, 0x36, 0x30, 0x30, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30,
150  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xce, 0xc6,
151  0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0xc0, 0xc0,
152  0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
153  0x00, 0x00, 0x18, 0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
154  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x1e, 0x06, 0x06,
155  0x06, 0x06, 0x06, 0x06, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0xc0, 0xc0,
156  0xc0, 0xc6, 0xcc, 0xd8, 0xf0, 0xf0, 0xd8, 0xcc, 0xc6, 0x00, 0x00, 0x00,
157  0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
158  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6,
159  0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
160  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
161  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
162  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc6,
163  0xc6, 0xc6, 0xe6, 0xdc, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
164  0x00, 0x76, 0xce, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0x06, 0x06, 0x00,
165  0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
166  0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0,
167  0x70, 0x1c, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
168  0x30, 0xfe, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x00, 0x00,
169  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
170  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6,
171  0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
172  0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00,
173  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x6c, 0xc6,
174  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6,
175  0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
176  0x00, 0xfe, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xfe, 0x00, 0x00, 0x00,
177  0x00, 0x00, 0x1c, 0x30, 0x30, 0x30, 0x30, 0xe0, 0x30, 0x30, 0x30, 0x30,
178  0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00,
179  0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x30,
180  0x30, 0x30, 0x30, 0x1c, 0x30, 0x30, 0x30, 0x30, 0xe0, 0x00, 0x00, 0x00,
181  0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
182  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x6c,
183  0x6c, 0xc6, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66,
184  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x66, 0x3c, 0x18, 0xcc, 0x78, 0x00,
185  0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
186  0x7c, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0xc6, 0xc6,
187  0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c,
188  0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
189  0x00, 0x00, 0x6c, 0x6c, 0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6,
190  0x7e, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x00, 0x7c, 0x06, 0x06,
191  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x38,
192  0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
193  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6,
194  0x7c, 0x18, 0x0c, 0x38, 0x00, 0x10, 0x38, 0x6c, 0x00, 0x7c, 0xc6, 0xc6,
195  0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
196  0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00,
197  0x00, 0x60, 0x30, 0x18, 0x00, 0x7c, 0xc6, 0xc6, 0xfe, 0xc0, 0xc0, 0xc0,
198  0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x38, 0x18, 0x18,
199  0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c,
200  0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
201  0x00, 0x60, 0x30, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
202  0x3c, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xc6,
203  0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x38, 0x00,
204  0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
205  0x18, 0x30, 0x60, 0x00, 0xfe, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0,
206  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0x36, 0x36,
207  0x76, 0xde, 0xd8, 0xd8, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x3c,
208  0x6c, 0xcc, 0xcc, 0xfe, 0xcc, 0xcc, 0xcc, 0xcc, 0xce, 0x00, 0x00, 0x00,
209  0x00, 0x10, 0x38, 0x6c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
210  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x7c, 0xc6, 0xc6,
211  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18,
212  0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
213  0x00, 0x10, 0x38, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
214  0x7c, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x00, 0xc6, 0xc6, 0xc6,
215  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
216  0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00,
217  0x6c, 0x6c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
218  0x7c, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
219  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
220  0x30, 0x78, 0xcc, 0xc0, 0xc0, 0xcc, 0x78, 0x30, 0x30, 0x00, 0x00, 0x00,
221  0x00, 0x00, 0x38, 0x6c, 0x60, 0x60, 0x60, 0xf8, 0x60, 0x60, 0x60, 0xe6,
222  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc,
223  0x30, 0xfc, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xcc,
224  0xcc, 0xf8, 0xc4, 0xcc, 0xde, 0xcc, 0xcc, 0xcc, 0xc6, 0x00, 0x00, 0x00,
225  0x00, 0x00, 0x0e, 0x1b, 0x18, 0x18, 0x18, 0x7e, 0x18, 0x18, 0x18, 0x18,
226  0x18, 0xd8, 0x70, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0x06, 0x06,
227  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30,
228  0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
229  0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
230  0x7c, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0xc6, 0xc6, 0xc6,
231  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
232  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
233  0x76, 0xdc, 0x00, 0xc6, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6,
234  0xc6, 0x00, 0x00, 0x00, 0x00, 0x78, 0xd8, 0xd8, 0x6c, 0x00, 0xfc, 0x00,
235  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x6c,
236  0x38, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
237  0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xc6,
238  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
239  0xfe, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
240  0x00, 0x00, 0x00, 0x00, 0xfe, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00,
241  0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30, 0x60, 0xdc, 0x86, 0x0c,
242  0x18, 0x3e, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30,
243  0x66, 0xce, 0x9e, 0x3e, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
244  0x00, 0x30, 0x30, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x00, 0x00, 0x00,
245  0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x6c, 0xd8, 0x6c, 0x36, 0x00, 0x00,
246  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x6c, 0x36,
247  0x6c, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x88, 0x22, 0x88,
248  0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88,
249  0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
250  0x55, 0xaa, 0x55, 0xaa, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77,
251  0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0x18, 0x18, 0x18, 0x18,
252  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
253  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18,
254  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18,
255  0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36,
256  0x36, 0x36, 0x36, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
257  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x36, 0x36, 0x36,
258  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18,
259  0x18, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36,
260  0x36, 0xf6, 0xf6, 0x06, 0x06, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36,
261  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
262  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x06,
263  0x06, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
264  0x36, 0xf6, 0xf6, 0x06, 0x06, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00,
265  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xfe, 0xfe, 0x00, 0x00, 0x00,
266  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18,
267  0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
268  0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
269  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00,
270  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff,
271  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
272  0x00, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
273  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x18,
274  0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff,
275  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
276  0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
277  0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x18,
278  0x18, 0x18, 0x18, 0x18, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x37,
279  0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
280  0x36, 0x37, 0x37, 0x30, 0x30, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00,
281  0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x30, 0x30, 0x37, 0x37, 0x36,
282  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0xf7, 0x00,
283  0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
284  0x00, 0xff, 0xff, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
285  0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x37, 0x30, 0x30, 0x37, 0x37, 0x36,
286  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x00,
287  0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36,
288  0x36, 0xf7, 0xf7, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
289  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00,
290  0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff,
291  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
292  0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18,
293  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0x36, 0x36, 0x36,
294  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x3f,
295  0x3f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18,
296  0x18, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00,
297  0x00, 0x00, 0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x1f, 0x1f, 0x18,
298  0x18, 0x18, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f,
299  0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
300  0x36, 0x36, 0x36, 0xff, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
301  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0xff, 0xff, 0x18,
302  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8,
303  0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
304  0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
305  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
306  0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
307  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0,
308  0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
309  0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
310  0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
311  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
312  0x00, 0x76, 0xd6, 0xdc, 0xc8, 0xc8, 0xdc, 0xd6, 0x76, 0x00, 0x00, 0x00,
313  0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0xd8, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
314  0xd8, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0,
315  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
316  0x00, 0x7e, 0xfe, 0x24, 0x24, 0x24, 0x24, 0x66, 0xc6, 0x00, 0x00, 0x00,
317  0x00, 0x00, 0xfe, 0xfe, 0xc2, 0x60, 0x30, 0x18, 0x30, 0x60, 0xc2, 0xfe,
318  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xc8, 0xcc,
319  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
320  0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x76, 0x6c, 0x60, 0xc0, 0x00,
321  0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0xfc, 0x98, 0x18, 0x18, 0x18, 0x18,
322  0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x30, 0x30, 0x78, 0xcc, 0xcc,
323  0xcc, 0x78, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
324  0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00,
325  0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c,
326  0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x60, 0x30, 0x78, 0xcc,
327  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
328  0x00, 0x76, 0xbb, 0x99, 0x99, 0xdd, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00,
329  0x00, 0x00, 0x02, 0x06, 0x3c, 0x6c, 0xce, 0xd6, 0xd6, 0xe6, 0x6c, 0x78,
330  0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x30, 0x60, 0xc0, 0xc0, 0xfe,
331  0xc0, 0xc0, 0x60, 0x30, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
332  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
333  0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00,
334  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc,
335  0x30, 0x30, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
336  0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00, 0x00, 0x00,
337  0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00,
338  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x36, 0x36, 0x30, 0x30, 0x30,
339  0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x18, 0x18, 0x18,
340  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
341  0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00,
342  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
343  0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc,
344  0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
345  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
346  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
347  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c,
348  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c, 0x00, 0x00,
349  0x00, 0xd8, 0xec, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00,
350  0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x0c, 0x18, 0x30, 0x60, 0x7c,
351  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
352  0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
353  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
354  0x00, 0x00, 0x00, 0x00
355};
356
357static void fbterm_save_state(struct term_context *_ctx) {
358    struct fbterm_context *ctx = (void *)_ctx;
359    ctx->saved_state_text_fg = ctx->text_fg;
360    ctx->saved_state_text_bg = ctx->text_bg;
361    ctx->saved_state_cursor_x = ctx->cursor_x;
362    ctx->saved_state_cursor_y = ctx->cursor_y;
363}
364
365static void fbterm_restore_state(struct term_context *_ctx) {
366    struct fbterm_context *ctx = (void *)_ctx;
367    ctx->text_fg = ctx->saved_state_text_fg;
368    ctx->text_bg = ctx->saved_state_text_bg;
369    ctx->cursor_x = ctx->saved_state_cursor_x;
370    ctx->cursor_y = ctx->saved_state_cursor_y;
371}
372
373static void fbterm_swap_palette(struct term_context *_ctx) {
374    struct fbterm_context *ctx = (void *)_ctx;
375    uint32_t tmp = ctx->text_bg;
376    ctx->text_bg = ctx->text_fg;
377    ctx->text_fg = tmp;
378}
379
380static void plot_char(struct term_context *_ctx, struct fbterm_char *c, size_t x, size_t y) {
381    struct fbterm_context *ctx = (void *)_ctx;
382
383    if (x >= _ctx->cols || y >= _ctx->rows) {
384        return;
385    }
386
387    x = ctx->offset_x + x * ctx->glyph_width;
388    y = ctx->offset_y + y * ctx->glyph_height;
389
390    bool *glyph = &ctx->font_bool[c->c * ctx->font_height * ctx->font_width];
391    // naming: fx,fy for font coordinates, gx,gy for glyph coordinates
392    for (size_t gy = 0; gy < ctx->glyph_height; gy++) {
393        uint8_t fy = gy / ctx->font_scale_y;
394        volatile uint32_t *fb_line = ctx->framebuffer + x + (y + gy) * (ctx->pitch / 4);
395        uint32_t *canvas_line = ctx->canvas + x + (y + gy) * ctx->width;
396        for (size_t fx = 0; fx < ctx->font_width; fx++) {
397            bool draw = glyph[fy * ctx->font_width + fx];
398            for (size_t i = 0; i < ctx->font_scale_x; i++) {
399                size_t gx = ctx->font_scale_x * fx + i;
400                uint32_t bg = c->bg == 0xffffffff ? canvas_line[gx] : c->bg;
401                uint32_t fg = c->fg == 0xffffffff ? canvas_line[gx] : c->fg;
402                fb_line[gx] = draw ? fg : bg;
403            }
404        }
405    }
406}
407
408static void plot_char_fast(struct term_context *_ctx, struct fbterm_char *old, struct fbterm_char *c, size_t x, size_t y) {
409    struct fbterm_context *ctx = (void *)_ctx;
410
411    if (x >= _ctx->cols || y >= _ctx->rows) {
412        return;
413    }
414
415    x = ctx->offset_x + x * ctx->glyph_width;
416    y = ctx->offset_y + y * ctx->glyph_height;
417
418    bool *new_glyph = &ctx->font_bool[c->c * ctx->font_height * ctx->font_width];
419    bool *old_glyph = &ctx->font_bool[old->c * ctx->font_height * ctx->font_width];
420    for (size_t gy = 0; gy < ctx->glyph_height; gy++) {
421        uint8_t fy = gy / ctx->font_scale_y;
422        volatile uint32_t *fb_line = ctx->framebuffer + x + (y + gy) * (ctx->pitch / 4);
423        uint32_t *canvas_line = ctx->canvas + x + (y + gy) * ctx->width;
424        for (size_t fx = 0; fx < ctx->font_width; fx++) {
425            bool old_draw = old_glyph[fy * ctx->font_width + fx];
426            bool new_draw = new_glyph[fy * ctx->font_width + fx];
427            if (old_draw == new_draw)
428                continue;
429            for (size_t i = 0; i < ctx->font_scale_x; i++) {
430                size_t gx = ctx->font_scale_x * fx + i;
431                uint32_t bg = c->bg == 0xffffffff ? canvas_line[gx] : c->bg;
432                uint32_t fg = c->fg == 0xffffffff ? canvas_line[gx] : c->fg;
433                fb_line[gx] = new_draw ? fg : bg;
434            }
435        }
436    }
437}
438
439static inline bool compare_char(struct fbterm_char *a, struct fbterm_char *b) {
440    return !(a->c != b->c || a->bg != b->bg || a->fg != b->fg);
441}
442
443static void push_to_queue(struct term_context *_ctx, struct fbterm_char *c, size_t x, size_t y) {
444    struct fbterm_context *ctx = (void *)_ctx;
445
446    if (x >= _ctx->cols || y >= _ctx->rows) {
447        return;
448    }
449
450    size_t i = y * _ctx->cols + x;
451
452    struct fbterm_queue_item *q = ctx->map[i];
453
454    if (q == NULL) {
455        if (compare_char(&ctx->grid[i], c)) {
456            return;
457        }
458        q = &ctx->queue[ctx->queue_i++];
459        q->x = x;
460        q->y = y;
461        ctx->map[i] = q;
462    }
463
464    q->c = *c;
465}
466
467static void fbterm_revscroll(struct term_context *_ctx) {
468    struct fbterm_context *ctx = (void *)_ctx;
469
470    for (size_t i = (_ctx->scroll_bottom_margin - 1) * _ctx->cols - 1; ; i--) {
471        struct fbterm_char *c;
472        struct fbterm_queue_item *q = ctx->map[i];
473        if (q != NULL) {
474            c = &q->c;
475        } else {
476            c = &ctx->grid[i];
477        }
478        push_to_queue(_ctx, c, (i + _ctx->cols) % _ctx->cols, (i + _ctx->cols) / _ctx->cols);
479        if (i == _ctx->scroll_top_margin * _ctx->cols) {
480            break;
481        }
482    }
483
484    // Clear the first line of the screen.
485    struct fbterm_char empty;
486    empty.c  = ' ';
487    empty.fg = ctx->text_fg;
488    empty.bg = ctx->text_bg;
489    for (size_t i = _ctx->scroll_top_margin * _ctx->cols;
490         i < (_ctx->scroll_top_margin + 1) * _ctx->cols; i++) {
491        push_to_queue(_ctx, &empty, i % _ctx->cols, i / _ctx->cols);
492    }
493}
494
495static void fbterm_scroll(struct term_context *_ctx) {
496    struct fbterm_context *ctx = (void *)_ctx;
497
498    for (size_t i = (_ctx->scroll_top_margin + 1) * _ctx->cols;
499         i < _ctx->scroll_bottom_margin * _ctx->cols; i++) {
500        struct fbterm_char *c;
501        struct fbterm_queue_item *q = ctx->map[i];
502        if (q != NULL) {
503            c = &q->c;
504        } else {
505            c = &ctx->grid[i];
506        }
507        push_to_queue(_ctx, c, (i - _ctx->cols) % _ctx->cols, (i - _ctx->cols) / _ctx->cols);
508    }
509
510    // Clear the last line of the screen.
511    struct fbterm_char empty;
512    empty.c  = ' ';
513    empty.fg = ctx->text_fg;
514    empty.bg = ctx->text_bg;
515    for (size_t i = (_ctx->scroll_bottom_margin - 1) * _ctx->cols;
516         i < _ctx->scroll_bottom_margin * _ctx->cols; i++) {
517        push_to_queue(_ctx, &empty, i % _ctx->cols, i / _ctx->cols);
518    }
519}
520
521static void fbterm_clear(struct term_context *_ctx, bool move) {
522    struct fbterm_context *ctx = (void *)_ctx;
523
524    struct fbterm_char empty;
525    empty.c  = ' ';
526    empty.fg = ctx->text_fg;
527    empty.bg = ctx->text_bg;
528    for (size_t i = 0; i < _ctx->rows * _ctx->cols; i++) {
529        push_to_queue(_ctx, &empty, i % _ctx->cols, i / _ctx->cols);
530    }
531
532    if (move) {
533        ctx->cursor_x = 0;
534        ctx->cursor_y = 0;
535    }
536}
537
538static void fbterm_enable_cursor(struct term_context *_ctx) {
539    struct fbterm_context *ctx = (void *)_ctx;
540
541    ctx->cursor_status = true;
542}
543
544static bool fbterm_disable_cursor(struct term_context *_ctx) {
545    struct fbterm_context *ctx = (void *)_ctx;
546
547    bool ret = ctx->cursor_status;
548    ctx->cursor_status = false;
549    return ret;
550}
551
552static void fbterm_set_cursor_pos(struct term_context *_ctx, size_t x, size_t y) {
553    struct fbterm_context *ctx = (void *)_ctx;
554
555    if (x >= _ctx->cols) {
556        if ((int)x < 0) {
557            x = 0;
558        } else {
559            x = _ctx->cols - 1;
560        }
561    }
562    if (y >= _ctx->rows) {
563        if ((int)y < 0) {
564            y = 0;
565        } else {
566            y = _ctx->rows - 1;
567        }
568    }
569    ctx->cursor_x = x;
570    ctx->cursor_y = y;
571}
572
573static void fbterm_get_cursor_pos(struct term_context *_ctx, size_t *x, size_t *y) {
574    struct fbterm_context *ctx = (void *)_ctx;
575
576    *x = ctx->cursor_x;
577    *y = ctx->cursor_y;
578}
579
580static void fbterm_move_character(struct term_context *_ctx, size_t new_x, size_t new_y, size_t old_x, size_t old_y) {
581    struct fbterm_context *ctx = (void *)_ctx;
582
583    if (old_x >= _ctx->cols || old_y >= _ctx->rows
584     || new_x >= _ctx->cols || new_y >= _ctx->rows) {
585        return;
586    }
587
588    size_t i = old_x + old_y * _ctx->cols;
589
590    struct fbterm_char *c;
591    struct fbterm_queue_item *q = ctx->map[i];
592    if (q != NULL) {
593        c = &q->c;
594    } else {
595        c = &ctx->grid[i];
596    }
597
598    push_to_queue(_ctx, c, new_x, new_y);
599}
600
601static void fbterm_set_text_fg(struct term_context *_ctx, size_t fg) {
602    struct fbterm_context *ctx = (void *)_ctx;
603
604    ctx->text_fg = ctx->ansi_colours[fg];
605}
606
607static void fbterm_set_text_bg(struct term_context *_ctx, size_t bg) {
608    struct fbterm_context *ctx = (void *)_ctx;
609
610    ctx->text_bg = ctx->ansi_colours[bg];
611}
612
613static void fbterm_set_text_fg_bright(struct term_context *_ctx, size_t fg) {
614    struct fbterm_context *ctx = (void *)_ctx;
615
616    ctx->text_fg = ctx->ansi_bright_colours[fg];
617}
618
619static void fbterm_set_text_bg_bright(struct term_context *_ctx, size_t bg) {
620    struct fbterm_context *ctx = (void *)_ctx;
621
622    ctx->text_bg = ctx->ansi_bright_colours[bg];
623}
624
625static void fbterm_set_text_fg_rgb(struct term_context *_ctx, uint32_t fg) {
626    struct fbterm_context *ctx = (void *)_ctx;
627
628    ctx->text_fg = fg;
629}
630
631static void fbterm_set_text_bg_rgb(struct term_context *_ctx, uint32_t bg) {
632    struct fbterm_context *ctx = (void *)_ctx;
633
634    ctx->text_bg = bg;
635}
636
637static void fbterm_set_text_fg_default(struct term_context *_ctx) {
638    struct fbterm_context *ctx = (void *)_ctx;
639
640    ctx->text_fg = ctx->default_fg;
641}
642
643static void fbterm_set_text_bg_default(struct term_context *_ctx) {
644    struct fbterm_context *ctx = (void *)_ctx;
645
646    ctx->text_bg = 0xffffffff;
647}
648
649static void draw_cursor(struct term_context *_ctx) {
650    struct fbterm_context *ctx = (void *)_ctx;
651
652    size_t i = ctx->cursor_x + ctx->cursor_y * _ctx->cols;
653    struct fbterm_char c;
654    struct fbterm_queue_item *q = ctx->map[i];
655    if (q != NULL) {
656        c = q->c;
657    } else {
658        c = ctx->grid[i];
659    }
660    uint32_t tmp = c.fg;
661    c.fg = c.bg;
662    c.bg = tmp;
663    plot_char(_ctx, &c, ctx->cursor_x, ctx->cursor_y);
664    if (q != NULL) {
665        ctx->grid[i] = q->c;
666        ctx->map[i] = NULL;
667    }
668}
669
670static void fbterm_double_buffer_flush(struct term_context *_ctx) {
671    struct fbterm_context *ctx = (void *)_ctx;
672
673    if (ctx->cursor_status) {
674        draw_cursor(_ctx);
675    }
676
677    for (size_t i = 0; i < ctx->queue_i; i++) {
678        struct fbterm_queue_item *q = &ctx->queue[i];
679        size_t offset = q->y * _ctx->cols + q->x;
680        if (ctx->map[offset] == NULL) {
681            continue;
682        }
683        struct fbterm_char *old = &ctx->grid[offset];
684        if (q->c.bg == old->bg && q->c.fg == old->fg) {
685            plot_char_fast(_ctx, old, &q->c, q->x, q->y);
686        } else {
687            plot_char(_ctx, &q->c, q->x, q->y);
688        }
689        ctx->grid[offset] = q->c;
690        ctx->map[offset] = NULL;
691    }
692
693    if ((ctx->old_cursor_x != ctx->cursor_x || ctx->old_cursor_y != ctx->cursor_y) || ctx->cursor_status == false) {
694        plot_char(_ctx, &ctx->grid[ctx->old_cursor_x + ctx->old_cursor_y * _ctx->cols], ctx->old_cursor_x, ctx->old_cursor_y);
695    }
696
697    ctx->old_cursor_x = ctx->cursor_x;
698    ctx->old_cursor_y = ctx->cursor_y;
699
700    ctx->queue_i = 0;
701}
702
703static void fbterm_raw_putchar(struct term_context *_ctx, uint8_t c) {
704    struct fbterm_context *ctx = (void *)_ctx;
705
706    struct fbterm_char ch;
707    ch.c  = c;
708    ch.fg = ctx->text_fg;
709    ch.bg = ctx->text_bg;
710    push_to_queue(_ctx, &ch, ctx->cursor_x++, ctx->cursor_y);
711    if (ctx->cursor_x == _ctx->cols && (ctx->cursor_y < _ctx->scroll_bottom_margin - 1 || _ctx->scroll_enabled)) {
712        ctx->cursor_x = 0;
713        ctx->cursor_y++;
714    }
715    if (ctx->cursor_y == _ctx->scroll_bottom_margin) {
716        ctx->cursor_y--;
717        fbterm_scroll(_ctx);
718    }
719}
720
721static void fbterm_full_refresh(struct term_context *_ctx) {
722    struct fbterm_context *ctx = (void *)_ctx;
723
724    for (size_t y = 0; y < ctx->height; y++) {
725        for (size_t x = 0; x < ctx->width; x++) {
726            ctx->framebuffer[y * (ctx->pitch / sizeof(uint32_t)) + x] = ctx->canvas[y * ctx->width + x];
727        }
728    }
729
730    for (size_t i = 0; i < (size_t)_ctx->rows * _ctx->cols; i++) {
731        size_t x = i % _ctx->cols;
732        size_t y = i / _ctx->cols;
733
734        plot_char(_ctx, &ctx->grid[i], x, y);
735    }
736
737    if (ctx->cursor_status) {
738        draw_cursor(_ctx);
739    }
740}
741
742static void fbterm_deinit(struct term_context *_ctx, void (*_free)(void *, size_t)) {
743    struct fbterm_context *ctx = (void *)_ctx;
744
745    _free(ctx->font_bits, ctx->font_bits_size);
746    _free(ctx->font_bool, ctx->font_bool_size);
747    _free(ctx->grid, ctx->grid_size);
748    _free(ctx->queue, ctx->queue_size);
749    _free(ctx->map, ctx->map_size);
750    _free(ctx->canvas, ctx->canvas_size);
751}
752
753struct term_context *fbterm_init(
754    void *(*_malloc)(size_t),
755    uint32_t *framebuffer, size_t width, size_t height, size_t pitch,
756    uint32_t *canvas,
757    uint32_t *ansi_colours, uint32_t *ansi_bright_colours,
758    uint32_t *default_bg, uint32_t *default_fg,
759    void *font, size_t font_width, size_t font_height, size_t font_spacing,
760    size_t font_scale_x, size_t font_scale_y,
761    size_t margin
762) {
763    struct fbterm_context *ctx = _malloc(sizeof(struct fbterm_context));
764
765    struct term_context *_ctx = (void *)ctx;
766
767    memset(ctx, 0, sizeof(struct fbterm_context));
768
769    ctx->cursor_status = true;
770
771    if (ansi_colours != NULL) {
772        memcpy(ctx->ansi_colours, ansi_colours, sizeof(ctx->ansi_colours));
773    } else {
774        ctx->ansi_colours[0] = 0x00000000; // black
775        ctx->ansi_colours[1] = 0x00aa0000; // red
776        ctx->ansi_colours[2] = 0x0000aa00; // green
777        ctx->ansi_colours[3] = 0x00aa5500; // brown
778        ctx->ansi_colours[4] = 0x000000aa; // blue
779        ctx->ansi_colours[5] = 0x00aa00aa; // magenta
780        ctx->ansi_colours[6] = 0x0000aaaa; // cyan
781        ctx->ansi_colours[7] = 0x00aaaaaa; // grey
782    }
783
784    if (ansi_bright_colours != NULL) {
785        memcpy(ctx->ansi_bright_colours, ansi_bright_colours, sizeof(ctx->ansi_bright_colours));
786    } else {
787        ctx->ansi_bright_colours[0] = 0x00555555; // black
788        ctx->ansi_bright_colours[1] = 0x00ff5555; // red
789        ctx->ansi_bright_colours[2] = 0x0055ff55; // green
790        ctx->ansi_bright_colours[3] = 0x00ffff55; // brown
791        ctx->ansi_bright_colours[4] = 0x005555ff; // blue
792        ctx->ansi_bright_colours[5] = 0x00ff55ff; // magenta
793        ctx->ansi_bright_colours[6] = 0x0055ffff; // cyan
794        ctx->ansi_bright_colours[7] = 0x00ffffff; // grey
795    }
796
797    if (default_bg != NULL) {
798        ctx->default_bg = *default_bg;
799    } else {
800        ctx->default_bg = 0x00000000; // background (black)
801    }
802
803    if (default_fg != NULL) {
804        ctx->default_fg = *default_fg;
805    } else {
806        ctx->default_fg = 0x00aaaaaa; // foreground (grey)
807    }
808
809    ctx->text_fg = ctx->default_fg;
810    ctx->text_bg = 0xffffffff;
811
812    ctx->framebuffer = (void *)framebuffer;
813    ctx->width = width;
814    ctx->height = height;
815    ctx->pitch = pitch;
816
817#define FONT_BYTES ((font_width * font_height * FBTERM_FONT_GLYPHS) / 8)
818
819    if (font != NULL) {
820        ctx->font_width = font_width;
821        ctx->font_height = font_height;
822        ctx->font_bits = _malloc(FONT_BYTES);
823        memcpy(ctx->font_bits, font, FONT_BYTES);
824    } else {
825        ctx->font_width = font_width = 8;
826        ctx->font_height = font_height = 16;
827        font_spacing = 1;
828        ctx->font_bits = _malloc(FONT_BYTES);
829        memcpy(ctx->font_bits, builtin_font, FONT_BYTES);
830    }
831
832    ctx->font_bits_size = FONT_BYTES;
833
834#undef FONT_BYTES
835
836    ctx->font_width += font_spacing;
837
838    ctx->font_bool_size = FBTERM_FONT_GLYPHS * font_height * ctx->font_width * sizeof(bool);
839    ctx->font_bool = _malloc(ctx->font_bool_size);
840
841    for (size_t i = 0; i < FBTERM_FONT_GLYPHS; i++) {
842        uint8_t *glyph = &ctx->font_bits[i * font_height];
843
844        for (size_t y = 0; y < font_height; y++) {
845            // NOTE: the characters in VGA fonts are always one byte wide.
846            // 9 dot wide fonts have 8 dots and one empty column, except
847            // characters 0xC0-0xDF replicate column 9.
848            for (size_t x = 0; x < 8; x++) {
849                size_t offset = i * font_height * ctx->font_width + y * ctx->font_width + x;
850
851                if ((glyph[y] & (0x80 >> x))) {
852                    ctx->font_bool[offset] = true;
853                } else {
854                    ctx->font_bool[offset] = false;
855                }
856            }
857            // fill columns above 8 like VGA Line Graphics Mode does
858            for (size_t x = 8; x < ctx->font_width; x++) {
859                size_t offset = i * font_height * ctx->font_width + y * ctx->font_width + x;
860
861                if (i >= 0xc0 && i <= 0xdf) {
862                    ctx->font_bool[offset] = (glyph[y] & 1);
863                } else {
864                    ctx->font_bool[offset] = false;
865                }
866            }
867        }
868    }
869
870    ctx->font_scale_x = font_scale_x;
871    ctx->font_scale_y = font_scale_y;
872
873    ctx->glyph_width = ctx->font_width * font_scale_x;
874    ctx->glyph_height = font_height * font_scale_y;
875
876    _ctx->cols = (ctx->width - margin * 2) / ctx->glyph_width;
877    _ctx->rows = (ctx->height - margin * 2) / ctx->glyph_height;
878
879    ctx->offset_x = margin + ((ctx->width - margin * 2) % ctx->glyph_width) / 2;
880    ctx->offset_y = margin + ((ctx->height - margin * 2) % ctx->glyph_height) / 2;
881
882    ctx->grid_size = _ctx->rows * _ctx->cols * sizeof(struct fbterm_char);
883    ctx->grid = _malloc(ctx->grid_size);
884    for (size_t i = 0; i < _ctx->rows * _ctx->cols; i++) {
885        ctx->grid[i].c = ' ';
886        ctx->grid[i].fg = ctx->text_fg;
887        ctx->grid[i].bg = ctx->text_bg;
888    }
889
890    ctx->queue_size = _ctx->rows * _ctx->cols * sizeof(struct fbterm_queue_item);
891    ctx->queue = _malloc(ctx->queue_size);
892    ctx->queue_i = 0;
893
894    ctx->map_size = _ctx->rows * _ctx->cols * sizeof(struct fbterm_queue_item *);
895    ctx->map = _malloc(ctx->map_size);
896
897    ctx->canvas_size = ctx->width * ctx->height * sizeof(uint32_t);
898    ctx->canvas = _malloc(ctx->canvas_size);
899    if (canvas != NULL) {
900        memcpy(ctx->canvas, canvas, ctx->canvas_size);
901    } else {
902        for (size_t i = 0; i < ctx->width * ctx->height; i++) {
903            ctx->canvas[i] = ctx->default_bg;
904        }
905    }
906
907    _ctx->raw_putchar = fbterm_raw_putchar;
908    _ctx->clear = fbterm_clear;
909    _ctx->enable_cursor = fbterm_enable_cursor;
910    _ctx->disable_cursor = fbterm_disable_cursor;
911    _ctx->set_cursor_pos = fbterm_set_cursor_pos;
912    _ctx->get_cursor_pos = fbterm_get_cursor_pos;
913    _ctx->set_text_fg = fbterm_set_text_fg;
914    _ctx->set_text_bg = fbterm_set_text_bg;
915    _ctx->set_text_fg_bright = fbterm_set_text_fg_bright;
916    _ctx->set_text_bg_bright = fbterm_set_text_bg_bright;
917    _ctx->set_text_fg_rgb = fbterm_set_text_fg_rgb;
918    _ctx->set_text_bg_rgb = fbterm_set_text_bg_rgb;
919    _ctx->set_text_fg_default = fbterm_set_text_fg_default;
920    _ctx->set_text_bg_default = fbterm_set_text_bg_default;
921    _ctx->move_character = fbterm_move_character;
922    _ctx->scroll = fbterm_scroll;
923    _ctx->revscroll = fbterm_revscroll;
924    _ctx->swap_palette = fbterm_swap_palette;
925    _ctx->save_state = fbterm_save_state;
926    _ctx->restore_state = fbterm_restore_state;
927    _ctx->double_buffer_flush = fbterm_double_buffer_flush;
928    _ctx->full_refresh = fbterm_full_refresh;
929    _ctx->deinit = fbterm_deinit;
930
931    term_context_reinit(_ctx);
932
933    return _ctx;
934}