backends/fb.c at 9cb38e203ebabda10569531c9f3837b980bc5ed1 · pci.express/flanterm.zig

pci.express / flanterm.zig
Fast and reasonably complete (framebuffer) terminal emulator (Zig fork)
flanterm.zig / backends / fb.c
at 9cb38e203ebabda10569531c9f3837b980bc5ed1 54 kB view raw
   1/* Copyright (C) 2022-2024 mintsuki and contributors.
   2 *
   3 * Redistribution and use in source and binary forms, with or without
   4 * modification, are permitted provided that the following conditions are met:
   5 *
   6 * 1. Redistributions of source code must retain the above copyright notice,
   7 *    this list of conditions and the following disclaimer.
   8 *
   9 * 2. Redistributions in binary form must reproduce the above copyright notice,
  10 *    this list of conditions and the following disclaimer in the documentation
  11 *    and/or other materials provided with the distribution.
  12 *
  13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  16 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  17 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  23 * POSSIBILITY OF SUCH DAMAGE.
  24 */
  25
  26#include <stdint.h>
  27#include <stddef.h>
  28#include <stdbool.h>
  29
  30#include "../flanterm.h"
  31#include "fb.h"
  32
  33void *memset(void *, int, size_t);
  34void *memcpy(void *, const void *, size_t);
  35
  36#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
  37
  38#ifndef FLANTERM_FB_BUMP_ALLOC_POOL_SIZE
  39#define FLANTERM_FB_BUMP_ALLOC_POOL_SIZE 873000
  40
  41#define FLANTERM_FB_WIDTH_LIMIT 1920
  42#define FLANTERM_FB_HEIGHT_LIMIT 1200
  43#endif
  44
  45static uint8_t bump_alloc_pool[FLANTERM_FB_BUMP_ALLOC_POOL_SIZE];
  46static size_t bump_alloc_ptr = 0;
  47
  48static void *bump_alloc(size_t s) {
  49    size_t next_ptr = bump_alloc_ptr + s;
  50    if (next_ptr > FLANTERM_FB_BUMP_ALLOC_POOL_SIZE) {
  51        return NULL;
  52    }
  53    void *ret = &bump_alloc_pool[bump_alloc_ptr];
  54    bump_alloc_ptr = next_ptr;
  55    return ret;
  56}
  57
  58static bool bump_allocated_instance = false;
  59
  60#endif
  61
  62// Builtin font originally taken from:
  63// https://github.com/viler-int10h/vga-text-mode-fonts/raw/master/FONTS/PC-OTHER/TOSH-SAT.F16
  64static const uint8_t builtin_font[] = {
  65  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  66  0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x42, 0x81, 0x81, 0xa5, 0xa5, 0x81,
  67  0x81, 0xa5, 0x99, 0x81, 0x42, 0x3c, 0x00, 0x00, 0x00, 0x3c, 0x7e, 0xff,
  68  0xff, 0xdb, 0xdb, 0xff, 0xff, 0xdb, 0xe7, 0xff, 0x7e, 0x3c, 0x00, 0x00,
  69  0x00, 0x00, 0x00, 0x6c, 0xfe, 0xfe, 0xfe, 0x7c, 0x7c, 0x38, 0x38, 0x10,
  70  0x10, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe,
  71  0x7c, 0x7c, 0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
  72  0x3c, 0x3c, 0xdb, 0xff, 0xff, 0xdb, 0x18, 0x18, 0x3c, 0x00, 0x00, 0x00,
  73  0x00, 0x00, 0x00, 0x18, 0x3c, 0x7e, 0xff, 0xff, 0xff, 0x66, 0x18, 0x18,
  74  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
  75  0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff,
  76  0xff, 0xff, 0xe7, 0xc3, 0xc3, 0xe7, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
  77  0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x84, 0x84, 0xcc, 0x78, 0x00,
  78  0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xc3, 0x99, 0xbd,
  79  0xbd, 0x99, 0xc3, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x1e,
  80  0x0e, 0x1e, 0x32, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00,
  81  0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc, 0x30, 0x30,
  82  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x18, 0x1c, 0x1e, 0x16, 0x12,
  83  0x10, 0x10, 0x70, 0xf0, 0xe0, 0x00, 0x00, 0x00, 0x00, 0x30, 0x38, 0x2c,
  84  0x26, 0x32, 0x3a, 0x2e, 0x26, 0x22, 0x62, 0xe2, 0xc6, 0x0e, 0x0c, 0x00,
  85  0x00, 0x00, 0x00, 0x18, 0x18, 0xdb, 0x3c, 0xe7, 0x3c, 0xdb, 0x18, 0x18,
  86  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xc0, 0xe0, 0xf8, 0xfe,
  87  0xf8, 0xe0, 0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02,
  88  0x06, 0x0e, 0x3e, 0xfe, 0x3e, 0x0e, 0x06, 0x02, 0x00, 0x00, 0x00, 0x00,
  89  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78,
  90  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
  91  0xcc, 0xcc, 0x00, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xdb,
  92  0xdb, 0xdb, 0xdb, 0x7b, 0x1b, 0x1b, 0x1b, 0x1b, 0x1b, 0x00, 0x00, 0x00,
  93  0x00, 0x00, 0x7c, 0xc6, 0x60, 0x38, 0x6c, 0xc6, 0xc6, 0x6c, 0x38, 0x0c,
  94  0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  95  0x00, 0x00, 0xfe, 0xfe, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x78,
  96  0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0xfc, 0x78, 0x30, 0xfc, 0x00, 0x00,
  97  0x00, 0x00, 0x30, 0x78, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
  98  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
  99  0x30, 0x30, 0xfc, 0x78, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 100  0x00, 0x18, 0x0c, 0xfe, 0xfe, 0x0c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
 101  0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x60, 0xfe, 0xfe, 0x60, 0x30, 0x00,
 102  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0,
 103  0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 104  0x00, 0x24, 0x66, 0xff, 0xff, 0x66, 0x24, 0x00, 0x00, 0x00, 0x00, 0x00,
 105  0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x7c, 0x7c, 0xfe, 0xfe,
 106  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x7c, 0x7c,
 107  0x38, 0x38, 0x10, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 108  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 109  0x00, 0x00, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x30, 0x30, 0x00, 0x30,
 110  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00,
 111  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
 112  0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0xfe, 0x6c, 0x6c, 0x6c, 0x00, 0x00, 0x00,
 113  0x00, 0x18, 0x18, 0x7c, 0xc6, 0xc0, 0xc0, 0x7c, 0x06, 0x06, 0xc6, 0x7c,
 114  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x0c, 0x0c, 0x18, 0x38,
 115  0x30, 0x60, 0x60, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
 116  0x6c, 0x38, 0x30, 0x76, 0xde, 0xcc, 0xcc, 0xde, 0x76, 0x00, 0x00, 0x00,
 117  0x00, 0x00, 0x18, 0x18, 0x18, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 118  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0x60, 0x60, 0x60,
 119  0x60, 0x60, 0x60, 0x30, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30,
 120  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x30, 0x60, 0x00, 0x00, 0x00,
 121  0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x38, 0xfe, 0x38, 0x6c, 0x00, 0x00,
 122  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x7e,
 123  0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 124  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
 125  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0x00, 0x00,
 126  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 127  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06,
 128  0x0c, 0x0c, 0x18, 0x38, 0x30, 0x60, 0x60, 0xc0, 0xc0, 0x00, 0x00, 0x00,
 129  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6,
 130  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18, 0x38, 0x78, 0x18, 0x18, 0x18,
 131  0x18, 0x18, 0x18, 0x18, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 132  0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00,
 133  0x00, 0x00, 0x7c, 0xc6, 0x06, 0x06, 0x3c, 0x06, 0x06, 0x06, 0x06, 0xc6,
 134  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x0c, 0x1c, 0x3c, 0x6c, 0xcc,
 135  0xfe, 0x0c, 0x0c, 0x0c, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc0,
 136  0xc0, 0xc0, 0xfc, 0x06, 0x06, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 137  0x00, 0x00, 0x3c, 0x60, 0xc0, 0xc0, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 138  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0x06, 0x06, 0x0c, 0x18,
 139  0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 140  0xc6, 0xc6, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 141  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x06, 0x06, 0x06, 0x0c,
 142  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x18,
 143  0x18, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 144  0x00, 0x00, 0x00, 0x18, 0x18, 0x00, 0x00, 0x18, 0x18, 0x30, 0x00, 0x00,
 145  0x00, 0x00, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x0c,
 146  0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0x00,
 147  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0x60,
 148  0x30, 0x18, 0x0c, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0x00, 0x00, 0x00,
 149  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0x06, 0x0c, 0x18, 0x30, 0x30, 0x00, 0x30,
 150  0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xde, 0xde,
 151  0xde, 0xde, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
 152  0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 153  0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 154  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0,
 155  0xc0, 0xc0, 0xc0, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xcc,
 156  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xcc, 0xf8, 0x00, 0x00, 0x00,
 157  0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
 158  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xc0, 0xfc, 0xc0,
 159  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 160  0xc0, 0xc0, 0xc0, 0xde, 0xc6, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
 161  0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6,
 162  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x30, 0x30, 0x30, 0x30, 0x30,
 163  0x30, 0x30, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x0c,
 164  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00,
 165  0x00, 0x00, 0xc6, 0xc6, 0xcc, 0xd8, 0xf0, 0xe0, 0xf0, 0xd8, 0xcc, 0xc6,
 166  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
 167  0xc0, 0xc0, 0xc0, 0xc0, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6,
 168  0xee, 0xfe, 0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 169  0x00, 0x00, 0xc6, 0xc6, 0xe6, 0xe6, 0xf6, 0xde, 0xce, 0xce, 0xc6, 0xc6,
 170  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 171  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc6,
 172  0xc6, 0xc6, 0xc6, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00,
 173  0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xf6, 0xda,
 174  0x6c, 0x06, 0x00, 0x00, 0x00, 0x00, 0xfc, 0xc6, 0xc6, 0xc6, 0xc6, 0xfc,
 175  0xd8, 0xcc, 0xcc, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6,
 176  0xc0, 0x60, 0x30, 0x18, 0x0c, 0x06, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 177  0x00, 0x00, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 178  0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 179  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6,
 180  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00,
 181  0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c,
 182  0x6c, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x38,
 183  0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc,
 184  0xcc, 0xcc, 0xcc, 0x78, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00,
 185  0x00, 0x00, 0xfe, 0x06, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xc0, 0xc0,
 186  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x60, 0x60, 0x60, 0x60, 0x60,
 187  0x60, 0x60, 0x60, 0x60, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0,
 188  0x60, 0x60, 0x30, 0x38, 0x18, 0x0c, 0x0c, 0x06, 0x06, 0x00, 0x00, 0x00,
 189  0x00, 0x00, 0x78, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 190  0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c, 0xc6, 0x00, 0x00,
 191  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 192  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
 193  0x00, 0x00, 0x18, 0x18, 0x18, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 194  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0x06, 0x06,
 195  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0,
 196  0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xe6, 0xdc, 0x00, 0x00, 0x00,
 197  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6,
 198  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x06, 0x06, 0x76, 0xce, 0xc6,
 199  0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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 204  0xc0, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 205  0x00, 0x00, 0x18, 0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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 209  0x00, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 210  0x3c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0xfe, 0xd6,
 211  0xd6, 0xd6, 0xd6, 0xc6, 0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 212  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 213  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 214  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc6,
 215  0xc6, 0xc6, 0xe6, 0xdc, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00,
 216  0x00, 0x76, 0xce, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0x06, 0x06, 0x00,
 217  0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0xe6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0,
 218  0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0,
 219  0x70, 0x1c, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
 220  0x30, 0xfe, 0x30, 0x30, 0x30, 0x30, 0x30, 0x36, 0x1c, 0x00, 0x00, 0x00,
 221  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 222  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6,
 223  0xc6, 0xc6, 0x6c, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 224  0x00, 0xc6, 0xc6, 0xd6, 0xd6, 0xd6, 0xd6, 0xfe, 0x6c, 0x00, 0x00, 0x00,
 225  0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x6c, 0x38, 0x38, 0x6c, 0xc6,
 226  0xc6, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0xc6,
 227  0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00,
 228  0x00, 0xfe, 0x06, 0x0c, 0x18, 0x30, 0x60, 0xc0, 0xfe, 0x00, 0x00, 0x00,
 229  0x00, 0x00, 0x1c, 0x30, 0x30, 0x30, 0x30, 0xe0, 0x30, 0x30, 0x30, 0x30,
 230  0x1c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x30, 0x30, 0x00,
 231  0x30, 0x30, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x30,
 232  0x30, 0x30, 0x30, 0x1c, 0x30, 0x30, 0x30, 0x30, 0xe0, 0x00, 0x00, 0x00,
 233  0x00, 0x00, 0x00, 0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 234  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x38, 0x38, 0x6c,
 235  0x6c, 0xc6, 0xc6, 0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, 0x66,
 236  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x66, 0x3c, 0x18, 0xcc, 0x78, 0x00,
 237  0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 238  0x7c, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0xc6, 0xc6,
 239  0xfe, 0xc0, 0xc0, 0xc0, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x10, 0x38, 0x6c,
 240  0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00,
 241  0x00, 0x00, 0x6c, 0x6c, 0x00, 0x7c, 0x06, 0x06, 0x7e, 0xc6, 0xc6, 0xc6,
 242  0x7e, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x00, 0x7c, 0x06, 0x06,
 243  0x7e, 0xc6, 0xc6, 0xc6, 0x7e, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x38,
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 245  0x00, 0x00, 0x00, 0x00, 0x00, 0x7c, 0xc6, 0xc0, 0xc0, 0xc0, 0xc0, 0xc6,
 246  0x7c, 0x18, 0x0c, 0x38, 0x00, 0x10, 0x38, 0x6c, 0x00, 0x7c, 0xc6, 0xc6,
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 250  0x7e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x38, 0x18, 0x18,
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 253  0x00, 0x60, 0x30, 0x18, 0x00, 0x38, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 254  0x3c, 0x00, 0x00, 0x00, 0xc6, 0xc6, 0x10, 0x38, 0x6c, 0xc6, 0xc6, 0xc6,
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 256  0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 257  0x18, 0x30, 0x60, 0x00, 0xfe, 0xc0, 0xc0, 0xfc, 0xc0, 0xc0, 0xc0, 0xc0,
 258  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xec, 0x36, 0x36,
 259  0x76, 0xde, 0xd8, 0xd8, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x3c,
 260  0x6c, 0xcc, 0xcc, 0xfe, 0xcc, 0xcc, 0xcc, 0xcc, 0xce, 0x00, 0x00, 0x00,
 261  0x00, 0x10, 0x38, 0x6c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 262  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x7c, 0xc6, 0xc6,
 263  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18,
 264  0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00,
 265  0x00, 0x10, 0x38, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 266  0x7c, 0x00, 0x00, 0x00, 0x00, 0x60, 0x30, 0x18, 0x00, 0xc6, 0xc6, 0xc6,
 267  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x6c, 0x6c,
 268  0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xce, 0x76, 0x06, 0xc6, 0x7c, 0x00,
 269  0x6c, 0x6c, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 270  0x7c, 0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 271  0xc6, 0xc6, 0xc6, 0xc6, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
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 273  0x00, 0x00, 0x38, 0x6c, 0x60, 0x60, 0x60, 0xf8, 0x60, 0x60, 0x60, 0xe6,
 274  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0xcc, 0xcc, 0xcc, 0x78, 0x30, 0xfc,
 275  0x30, 0xfc, 0x30, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xcc,
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 281  0x00, 0x0c, 0x18, 0x30, 0x00, 0x7c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6,
 282  0x7c, 0x00, 0x00, 0x00, 0x00, 0x0c, 0x18, 0x30, 0x00, 0xc6, 0xc6, 0xc6,
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 284  0x00, 0xdc, 0xe6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 285  0x76, 0xdc, 0x00, 0xc6, 0xc6, 0xe6, 0xf6, 0xfe, 0xde, 0xce, 0xc6, 0xc6,
 286  0xc6, 0x00, 0x00, 0x00, 0x00, 0x78, 0xd8, 0xd8, 0x6c, 0x00, 0xfc, 0x00,
 287  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x6c,
 288  0x38, 0x00, 0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 289  0x00, 0x00, 0x18, 0x18, 0x00, 0x18, 0x18, 0x30, 0x60, 0xc0, 0xc6, 0xc6,
 290  0x7c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 291  0xfe, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 292  0x00, 0x00, 0x00, 0x00, 0xfe, 0x06, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00,
 293  0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30, 0x60, 0xdc, 0x86, 0x0c,
 294  0x18, 0x3e, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc2, 0xc6, 0xcc, 0xd8, 0x30,
 295  0x66, 0xce, 0x9e, 0x3e, 0x06, 0x06, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30,
 296  0x00, 0x30, 0x30, 0x30, 0x78, 0x78, 0x78, 0x78, 0x30, 0x00, 0x00, 0x00,
 297  0x00, 0x00, 0x00, 0x00, 0x00, 0x36, 0x6c, 0xd8, 0x6c, 0x36, 0x00, 0x00,
 298  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd8, 0x6c, 0x36,
 299  0x6c, 0xd8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x22, 0x88, 0x22, 0x88,
 300  0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88, 0x22, 0x88,
 301  0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
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 303  0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0xdd, 0x77, 0x18, 0x18, 0x18, 0x18,
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 309  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x36, 0x36, 0x36,
 310  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18,
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 314  0x36, 0x36, 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfe, 0xfe, 0x06,
 315  0x06, 0xf6, 0xf6, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
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 317  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xfe, 0xfe, 0x00, 0x00, 0x00,
 318  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8, 0xf8, 0x18,
 319  0x18, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 320  0x00, 0x00, 0x00, 0xf8, 0xf8, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 321  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x1f, 0x1f, 0x00, 0x00, 0x00,
 322  0x00, 0x00, 0x00, 0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xff,
 323  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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 328  0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
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 331  0x37, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
 332  0x36, 0x37, 0x37, 0x30, 0x30, 0x3f, 0x3f, 0x00, 0x00, 0x00, 0x00, 0x00,
 333  0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0x3f, 0x30, 0x30, 0x37, 0x37, 0x36,
 334  0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xf7, 0xf7, 0x00,
 335  0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 336  0x00, 0xff, 0xff, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
 337  0x36, 0x36, 0x36, 0x36, 0x36, 0x37, 0x37, 0x30, 0x30, 0x37, 0x37, 0x36,
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 340  0x36, 0xf7, 0xf7, 0x00, 0x00, 0xf7, 0xf7, 0x36, 0x36, 0x36, 0x36, 0x36,
 341  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x00,
 342  0x00, 0x00, 0x00, 0x00, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0xff,
 343  0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 344  0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x18, 0x18, 0x18, 0x18, 0x18,
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 351  0x3f, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
 352  0x36, 0x36, 0x36, 0xff, 0xff, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36, 0x36,
 353  0x18, 0x18, 0x18, 0x18, 0x18, 0xff, 0xff, 0x18, 0x18, 0xff, 0xff, 0x18,
 354  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xf8,
 355  0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 356  0x00, 0x00, 0x00, 0x1f, 0x1f, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18,
 357  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 358  0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 359  0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf0, 0xf0, 0xf0, 0xf0,
 360  0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0, 0xf0,
 361  0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f, 0x0f,
 362  0x0f, 0x0f, 0x0f, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
 363  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 364  0x00, 0x76, 0xd6, 0xdc, 0xc8, 0xc8, 0xdc, 0xd6, 0x76, 0x00, 0x00, 0x00,
 365  0x00, 0x00, 0x78, 0xcc, 0xcc, 0xcc, 0xd8, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc,
 366  0xd8, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xc0, 0xc0, 0xc0,
 367  0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 368  0x00, 0x7e, 0xfe, 0x24, 0x24, 0x24, 0x24, 0x66, 0xc6, 0x00, 0x00, 0x00,
 369  0x00, 0x00, 0xfe, 0xfe, 0xc2, 0x60, 0x30, 0x18, 0x30, 0x60, 0xc2, 0xfe,
 370  0xfe, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x7e, 0xc8, 0xcc,
 371  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 372  0x00, 0x66, 0x66, 0x66, 0x66, 0x66, 0x66, 0x76, 0x6c, 0x60, 0xc0, 0x00,
 373  0x00, 0x00, 0x00, 0x00, 0x00, 0x66, 0xfc, 0x98, 0x18, 0x18, 0x18, 0x18,
 374  0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x30, 0x30, 0x78, 0xcc, 0xcc,
 375  0xcc, 0x78, 0x30, 0x30, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
 376  0xc6, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0x6c, 0x38, 0x00, 0x00, 0x00,
 377  0x00, 0x00, 0x38, 0x6c, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x6c, 0x6c, 0x6c,
 378  0xee, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0x60, 0x30, 0x78, 0xcc,
 379  0xcc, 0xcc, 0xcc, 0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 380  0x00, 0x76, 0xbb, 0x99, 0x99, 0xdd, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x00,
 381  0x00, 0x00, 0x02, 0x06, 0x3c, 0x6c, 0xce, 0xd6, 0xd6, 0xe6, 0x6c, 0x78,
 382  0xc0, 0x80, 0x00, 0x00, 0x00, 0x00, 0x1e, 0x30, 0x60, 0xc0, 0xc0, 0xfe,
 383  0xc0, 0xc0, 0x60, 0x30, 0x1e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c,
 384  0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00, 0x00, 0x00,
 385  0x00, 0x00, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00, 0x00, 0xfe, 0x00,
 386  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0xfc,
 387  0x30, 0x30, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 388  0x60, 0x30, 0x18, 0x0c, 0x18, 0x30, 0x60, 0x00, 0xfc, 0x00, 0x00, 0x00,
 389  0x00, 0x00, 0x00, 0x00, 0x18, 0x30, 0x60, 0xc0, 0x60, 0x30, 0x18, 0x00,
 390  0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1c, 0x36, 0x36, 0x30, 0x30, 0x30,
 391  0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x18, 0x18, 0x18, 0x18,
 392  0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0xd8, 0xd8, 0x70, 0x00, 0x00, 0x00,
 393  0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0xfc, 0x00, 0x30, 0x30, 0x00,
 394  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x76, 0xdc, 0x00,
 395  0x76, 0xdc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0xcc, 0xcc,
 396  0xcc, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 397  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00,
 398  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30,
 399  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0f, 0x0c, 0x0c,
 400  0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0xcc, 0x6c, 0x3c, 0x1c, 0x0c, 0x00, 0x00,
 401  0x00, 0xd8, 0xec, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x00, 0x00, 0x00, 0x00,
 402  0x00, 0x00, 0x00, 0x00, 0x00, 0x38, 0x6c, 0x0c, 0x18, 0x30, 0x60, 0x7c,
 403  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 404  0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x78, 0x00, 0x00, 0x00, 0x00, 0x00,
 405  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 406  0x00, 0x00, 0x00, 0x00
 407};
 408
 409#ifdef FLANTERM_FB_SUPPORT_BPP
 410static inline __attribute__((always_inline)) uint32_t convert_colour(struct flanterm_context *_ctx, uint32_t colour) {
 411    struct flanterm_fb_context *ctx = (void *)_ctx;
 412    uint32_t r = (colour >> 16) & 0xff;
 413    uint32_t g = (colour >> 8) & 0xff;
 414    uint32_t b =  colour & 0xff;
 415    return (r << ctx->red_mask_shift) | (g << ctx->green_mask_shift) | (b << ctx->blue_mask_shift);
 416}
 417#else
 418#define convert_colour(CTX, COLOUR) (COLOUR)
 419#endif
 420
 421static void flanterm_fb_save_state(struct flanterm_context *_ctx) {
 422    struct flanterm_fb_context *ctx = (void *)_ctx;
 423    ctx->saved_state_text_fg = ctx->text_fg;
 424    ctx->saved_state_text_bg = ctx->text_bg;
 425    ctx->saved_state_cursor_x = ctx->cursor_x;
 426    ctx->saved_state_cursor_y = ctx->cursor_y;
 427}
 428
 429static void flanterm_fb_restore_state(struct flanterm_context *_ctx) {
 430    struct flanterm_fb_context *ctx = (void *)_ctx;
 431    ctx->text_fg = ctx->saved_state_text_fg;
 432    ctx->text_bg = ctx->saved_state_text_bg;
 433    ctx->cursor_x = ctx->saved_state_cursor_x;
 434    ctx->cursor_y = ctx->saved_state_cursor_y;
 435}
 436
 437static void flanterm_fb_swap_palette(struct flanterm_context *_ctx) {
 438    struct flanterm_fb_context *ctx = (void *)_ctx;
 439    uint32_t tmp = ctx->text_bg;
 440    ctx->text_bg = ctx->text_fg;
 441    ctx->text_fg = tmp;
 442}
 443
 444static void plot_char(struct flanterm_context *_ctx, struct flanterm_fb_char *c, size_t x, size_t y) {
 445    struct flanterm_fb_context *ctx = (void *)_ctx;
 446
 447    if (x >= _ctx->cols || y >= _ctx->rows) {
 448        return;
 449    }
 450
 451#ifdef FLANTERM_FB_DISABLE_CANVAS
 452    uint32_t default_bg = ctx->default_bg;
 453#endif
 454
 455    x = ctx->offset_x + x * ctx->glyph_width;
 456    y = ctx->offset_y + y * ctx->glyph_height;
 457
 458    bool *glyph = &ctx->font_bool[c->c * ctx->font_height * ctx->font_width];
 459    // naming: fx,fy for font coordinates, gx,gy for glyph coordinates
 460    for (size_t gy = 0; gy < ctx->glyph_height; gy++) {
 461        uint8_t fy = gy / ctx->font_scale_y;
 462        volatile uint32_t *fb_line = ctx->framebuffer + x + (y + gy) * (ctx->pitch / 4);
 463
 464#ifndef FLANTERM_FB_DISABLE_CANVAS
 465        uint32_t *canvas_line = ctx->canvas + x + (y + gy) * ctx->width;
 466#endif
 467
 468        for (size_t fx = 0; fx < ctx->font_width; fx++) {
 469            bool draw = glyph[fy * ctx->font_width + fx];
 470            for (size_t i = 0; i < ctx->font_scale_x; i++) {
 471                size_t gx = ctx->font_scale_x * fx + i;
 472#ifndef FLANTERM_FB_DISABLE_CANVAS
 473                uint32_t bg = c->bg == 0xffffffff ? canvas_line[gx] : c->bg;
 474                uint32_t fg = c->fg == 0xffffffff ? canvas_line[gx] : c->fg;
 475#else
 476                uint32_t bg = c->bg == 0xffffffff ? default_bg : c->bg;
 477                uint32_t fg = c->fg == 0xffffffff ? default_bg : c->fg;
 478#endif
 479                fb_line[gx] = draw ? fg : bg;
 480            }
 481        }
 482    }
 483}
 484
 485#ifdef FLANTERM_FB_ENABLE_MASKING
 486static void plot_char_masked(struct flanterm_context *_ctx, struct flanterm_fb_char *old, struct flanterm_fb_char *c, size_t x, size_t y) {
 487    struct flanterm_fb_context *ctx = (void *)_ctx;
 488
 489    if (x >= _ctx->cols || y >= _ctx->rows) {
 490        return;
 491    }
 492
 493    x = ctx->offset_x + x * ctx->glyph_width;
 494    y = ctx->offset_y + y * ctx->glyph_height;
 495
 496#ifdef FLANTERM_FB_DISABLE_CANVAS
 497    uint32_t default_bg = ctx->default_bg;
 498#endif
 499
 500    bool *new_glyph = &ctx->font_bool[c->c * ctx->font_height * ctx->font_width];
 501    bool *old_glyph = &ctx->font_bool[old->c * ctx->font_height * ctx->font_width];
 502    for (size_t gy = 0; gy < ctx->glyph_height; gy++) {
 503        uint8_t fy = gy / ctx->font_scale_y;
 504        volatile uint32_t *fb_line = ctx->framebuffer + x + (y + gy) * (ctx->pitch / 4);
 505#ifndef FLANTERM_FB_DISABLE_CANVAS
 506        uint32_t *canvas_line = ctx->canvas + x + (y + gy) * ctx->width;
 507#endif
 508        for (size_t fx = 0; fx < ctx->font_width; fx++) {
 509            bool old_draw = old_glyph[fy * ctx->font_width + fx];
 510            bool new_draw = new_glyph[fy * ctx->font_width + fx];
 511            if (old_draw == new_draw)
 512                continue;
 513            for (size_t i = 0; i < ctx->font_scale_x; i++) {
 514                size_t gx = ctx->font_scale_x * fx + i;
 515#ifndef FLANTERM_FB_DISABLE_CANVAS
 516                uint32_t bg = c->bg == 0xffffffff ? canvas_line[gx] : c->bg;
 517                uint32_t fg = c->fg == 0xffffffff ? canvas_line[gx] : c->fg;
 518#else
 519                uint32_t bg = c->bg == 0xffffffff ? default_bg : c->bg;
 520                uint32_t fg = c->fg == 0xffffffff ? default_bg : c->fg;
 521#endif
 522                fb_line[gx] = new_draw ? fg : bg;
 523            }
 524        }
 525    }
 526}
 527#endif
 528
 529static inline bool compare_char(struct flanterm_fb_char *a, struct flanterm_fb_char *b) {
 530    return !(a->c != b->c || a->bg != b->bg || a->fg != b->fg);
 531}
 532
 533static void push_to_queue(struct flanterm_context *_ctx, struct flanterm_fb_char *c, size_t x, size_t y) {
 534    struct flanterm_fb_context *ctx = (void *)_ctx;
 535
 536    if (x >= _ctx->cols || y >= _ctx->rows) {
 537        return;
 538    }
 539
 540    size_t i = y * _ctx->cols + x;
 541
 542    struct flanterm_fb_queue_item *q = ctx->map[i];
 543
 544    if (q == NULL) {
 545        if (compare_char(&ctx->grid[i], c)) {
 546            return;
 547        }
 548        q = &ctx->queue[ctx->queue_i++];
 549        q->x = x;
 550        q->y = y;
 551        ctx->map[i] = q;
 552    }
 553
 554    q->c = *c;
 555}
 556
 557static void flanterm_fb_revscroll(struct flanterm_context *_ctx) {
 558    struct flanterm_fb_context *ctx = (void *)_ctx;
 559
 560    for (size_t i = (_ctx->scroll_bottom_margin - 1) * _ctx->cols - 1;
 561         i >= _ctx->scroll_top_margin * _ctx->cols; i--) {
 562        if (i == (size_t)-1) {
 563            break;
 564        }
 565        struct flanterm_fb_char *c;
 566        struct flanterm_fb_queue_item *q = ctx->map[i];
 567        if (q != NULL) {
 568            c = &q->c;
 569        } else {
 570            c = &ctx->grid[i];
 571        }
 572        push_to_queue(_ctx, c, (i + _ctx->cols) % _ctx->cols, (i + _ctx->cols) / _ctx->cols);
 573    }
 574
 575    // Clear the first line of the screen.
 576    struct flanterm_fb_char empty;
 577    empty.c  = ' ';
 578    empty.fg = ctx->text_fg;
 579    empty.bg = ctx->text_bg;
 580    for (size_t i = 0; i < _ctx->cols; i++) {
 581        push_to_queue(_ctx, &empty, i, _ctx->scroll_top_margin);
 582    }
 583}
 584
 585static void flanterm_fb_scroll(struct flanterm_context *_ctx) {
 586    struct flanterm_fb_context *ctx = (void *)_ctx;
 587
 588    for (size_t i = (_ctx->scroll_top_margin + 1) * _ctx->cols;
 589         i < _ctx->scroll_bottom_margin * _ctx->cols; i++) {
 590        struct flanterm_fb_char *c;
 591        struct flanterm_fb_queue_item *q = ctx->map[i];
 592        if (q != NULL) {
 593            c = &q->c;
 594        } else {
 595            c = &ctx->grid[i];
 596        }
 597        push_to_queue(_ctx, c, (i - _ctx->cols) % _ctx->cols, (i - _ctx->cols) / _ctx->cols);
 598    }
 599
 600    // Clear the last line of the screen.
 601    struct flanterm_fb_char empty;
 602    empty.c  = ' ';
 603    empty.fg = ctx->text_fg;
 604    empty.bg = ctx->text_bg;
 605    for (size_t i = 0; i < _ctx->cols; i++) {
 606        push_to_queue(_ctx, &empty, i, _ctx->scroll_bottom_margin - 1);
 607    }
 608}
 609
 610static void flanterm_fb_clear(struct flanterm_context *_ctx, bool move) {
 611    struct flanterm_fb_context *ctx = (void *)_ctx;
 612
 613    struct flanterm_fb_char empty;
 614    empty.c  = ' ';
 615    empty.fg = ctx->text_fg;
 616    empty.bg = ctx->text_bg;
 617    for (size_t i = 0; i < _ctx->rows * _ctx->cols; i++) {
 618        push_to_queue(_ctx, &empty, i % _ctx->cols, i / _ctx->cols);
 619    }
 620
 621    if (move) {
 622        ctx->cursor_x = 0;
 623        ctx->cursor_y = 0;
 624    }
 625}
 626
 627static void flanterm_fb_set_cursor_pos(struct flanterm_context *_ctx, size_t x, size_t y) {
 628    struct flanterm_fb_context *ctx = (void *)_ctx;
 629
 630    if (x >= _ctx->cols) {
 631        if ((int)x < 0) {
 632            x = 0;
 633        } else {
 634            x = _ctx->cols - 1;
 635        }
 636    }
 637    if (y >= _ctx->rows) {
 638        if ((int)y < 0) {
 639            y = 0;
 640        } else {
 641            y = _ctx->rows - 1;
 642        }
 643    }
 644    ctx->cursor_x = x;
 645    ctx->cursor_y = y;
 646}
 647
 648static void flanterm_fb_get_cursor_pos(struct flanterm_context *_ctx, size_t *x, size_t *y) {
 649    struct flanterm_fb_context *ctx = (void *)_ctx;
 650
 651    *x = ctx->cursor_x >= _ctx->cols ? _ctx->cols - 1 : ctx->cursor_x;
 652    *y = ctx->cursor_y >= _ctx->rows ? _ctx->rows - 1 : ctx->cursor_y;
 653}
 654
 655static void flanterm_fb_move_character(struct flanterm_context *_ctx, size_t new_x, size_t new_y, size_t old_x, size_t old_y) {
 656    struct flanterm_fb_context *ctx = (void *)_ctx;
 657
 658    if (old_x >= _ctx->cols || old_y >= _ctx->rows
 659     || new_x >= _ctx->cols || new_y >= _ctx->rows) {
 660        return;
 661    }
 662
 663    size_t i = old_x + old_y * _ctx->cols;
 664
 665    struct flanterm_fb_char *c;
 666    struct flanterm_fb_queue_item *q = ctx->map[i];
 667    if (q != NULL) {
 668        c = &q->c;
 669    } else {
 670        c = &ctx->grid[i];
 671    }
 672
 673    push_to_queue(_ctx, c, new_x, new_y);
 674}
 675
 676static void flanterm_fb_set_text_fg(struct flanterm_context *_ctx, size_t fg) {
 677    struct flanterm_fb_context *ctx = (void *)_ctx;
 678
 679    ctx->text_fg = ctx->ansi_colours[fg];
 680}
 681
 682static void flanterm_fb_set_text_bg(struct flanterm_context *_ctx, size_t bg) {
 683    struct flanterm_fb_context *ctx = (void *)_ctx;
 684
 685    ctx->text_bg = ctx->ansi_colours[bg];
 686}
 687
 688static void flanterm_fb_set_text_fg_bright(struct flanterm_context *_ctx, size_t fg) {
 689    struct flanterm_fb_context *ctx = (void *)_ctx;
 690
 691    ctx->text_fg = ctx->ansi_bright_colours[fg];
 692}
 693
 694static void flanterm_fb_set_text_bg_bright(struct flanterm_context *_ctx, size_t bg) {
 695    struct flanterm_fb_context *ctx = (void *)_ctx;
 696
 697    ctx->text_bg = ctx->ansi_bright_colours[bg];
 698}
 699
 700static void flanterm_fb_set_text_fg_rgb(struct flanterm_context *_ctx, uint32_t fg) {
 701    struct flanterm_fb_context *ctx = (void *)_ctx;
 702
 703    ctx->text_fg = convert_colour(_ctx, fg);
 704}
 705
 706static void flanterm_fb_set_text_bg_rgb(struct flanterm_context *_ctx, uint32_t bg) {
 707    struct flanterm_fb_context *ctx = (void *)_ctx;
 708
 709    ctx->text_bg = convert_colour(_ctx, bg);
 710}
 711
 712static void flanterm_fb_set_text_fg_default(struct flanterm_context *_ctx) {
 713    struct flanterm_fb_context *ctx = (void *)_ctx;
 714
 715    ctx->text_fg = ctx->default_fg;
 716}
 717
 718static void flanterm_fb_set_text_bg_default(struct flanterm_context *_ctx) {
 719    struct flanterm_fb_context *ctx = (void *)_ctx;
 720
 721    ctx->text_bg = 0xffffffff;
 722}
 723
 724static void flanterm_fb_set_text_fg_default_bright(struct flanterm_context *_ctx) {
 725    struct flanterm_fb_context *ctx = (void *)_ctx;
 726
 727    ctx->text_fg = ctx->default_fg_bright;
 728}
 729
 730static void flanterm_fb_set_text_bg_default_bright(struct flanterm_context *_ctx) {
 731    struct flanterm_fb_context *ctx = (void *)_ctx;
 732
 733    ctx->text_bg = ctx->default_bg_bright;
 734}
 735
 736static void draw_cursor(struct flanterm_context *_ctx) {
 737    struct flanterm_fb_context *ctx = (void *)_ctx;
 738
 739    if (ctx->cursor_x >= _ctx->cols || ctx->cursor_y >= _ctx->rows) {
 740        return;
 741    }
 742
 743    size_t i = ctx->cursor_x + ctx->cursor_y * _ctx->cols;
 744
 745    struct flanterm_fb_char c;
 746    struct flanterm_fb_queue_item *q = ctx->map[i];
 747    if (q != NULL) {
 748        c = q->c;
 749    } else {
 750        c = ctx->grid[i];
 751    }
 752    uint32_t tmp = c.fg;
 753    c.fg = c.bg;
 754    c.bg = tmp;
 755    plot_char(_ctx, &c, ctx->cursor_x, ctx->cursor_y);
 756    if (q != NULL) {
 757        ctx->grid[i] = q->c;
 758        ctx->map[i] = NULL;
 759    }
 760}
 761
 762static void flanterm_fb_double_buffer_flush(struct flanterm_context *_ctx) {
 763    struct flanterm_fb_context *ctx = (void *)_ctx;
 764
 765    if (_ctx->cursor_enabled) {
 766        draw_cursor(_ctx);
 767    }
 768
 769    for (size_t i = 0; i < ctx->queue_i; i++) {
 770        struct flanterm_fb_queue_item *q = &ctx->queue[i];
 771        size_t offset = q->y * _ctx->cols + q->x;
 772        if (ctx->map[offset] == NULL) {
 773            continue;
 774        }
 775        #ifdef FLANTERM_FB_ENABLE_MASKING
 776            struct flanterm_fb_char *old = &ctx->grid[offset];
 777            if (q->c.bg == old->bg && q->c.fg == old->fg) {
 778                plot_char_masked(_ctx, old, &q->c, q->x, q->y);
 779            } else {
 780                plot_char(_ctx, &q->c, q->x, q->y);
 781            }
 782        #else
 783            plot_char(_ctx, &q->c, q->x, q->y);
 784        #endif
 785        ctx->grid[offset] = q->c;
 786        ctx->map[offset] = NULL;
 787    }
 788
 789    if ((ctx->old_cursor_x != ctx->cursor_x || ctx->old_cursor_y != ctx->cursor_y) || _ctx->cursor_enabled == false) {
 790        if (ctx->old_cursor_x < _ctx->cols && ctx->old_cursor_y < _ctx->rows) {
 791            plot_char(_ctx, &ctx->grid[ctx->old_cursor_x + ctx->old_cursor_y * _ctx->cols], ctx->old_cursor_x, ctx->old_cursor_y);
 792        }
 793    }
 794
 795    ctx->old_cursor_x = ctx->cursor_x;
 796    ctx->old_cursor_y = ctx->cursor_y;
 797
 798    ctx->queue_i = 0;
 799}
 800
 801static void flanterm_fb_raw_putchar(struct flanterm_context *_ctx, uint8_t c) {
 802    struct flanterm_fb_context *ctx = (void *)_ctx;
 803
 804    if (ctx->cursor_x >= _ctx->cols && (ctx->cursor_y < _ctx->scroll_bottom_margin - 1 || _ctx->scroll_enabled)) {
 805        ctx->cursor_x = 0;
 806        ctx->cursor_y++;
 807        if (ctx->cursor_y == _ctx->scroll_bottom_margin) {
 808            ctx->cursor_y--;
 809            flanterm_fb_scroll(_ctx);
 810        }
 811        if (ctx->cursor_y >= _ctx->cols) {
 812            ctx->cursor_y = _ctx->cols - 1;
 813        }
 814    }
 815
 816    struct flanterm_fb_char ch;
 817    ch.c  = c;
 818    ch.fg = ctx->text_fg;
 819    ch.bg = ctx->text_bg;
 820    push_to_queue(_ctx, &ch, ctx->cursor_x++, ctx->cursor_y);
 821}
 822
 823static void flanterm_fb_full_refresh(struct flanterm_context *_ctx) {
 824    struct flanterm_fb_context *ctx = (void *)_ctx;
 825
 826#ifdef FLANTERM_FB_DISABLE_CANVAS
 827    uint32_t default_bg = ctx->default_bg;
 828#endif
 829
 830    for (size_t y = 0; y < ctx->height; y++) {
 831        for (size_t x = 0; x < ctx->width; x++) {
 832#ifndef FLANTERM_FB_DISABLE_CANVAS
 833            ctx->framebuffer[y * (ctx->pitch / sizeof(uint32_t)) + x] = ctx->canvas[y * ctx->width + x];
 834#else
 835            ctx->framebuffer[y * (ctx->pitch / sizeof(uint32_t)) + x] = default_bg;
 836#endif
 837        }
 838    }
 839
 840    for (size_t i = 0; i < (size_t)_ctx->rows * _ctx->cols; i++) {
 841        size_t x = i % _ctx->cols;
 842        size_t y = i / _ctx->cols;
 843
 844        plot_char(_ctx, &ctx->grid[i], x, y);
 845    }
 846
 847    if (_ctx->cursor_enabled) {
 848        draw_cursor(_ctx);
 849    }
 850}
 851
 852static void flanterm_fb_deinit(struct flanterm_context *_ctx, void (*_free)(void *, size_t)) {
 853    struct flanterm_fb_context *ctx = (void *)_ctx;
 854
 855    if (_free == NULL) {
 856#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
 857        if (bump_allocated_instance == true) {
 858            bump_alloc_ptr = 0;
 859            bump_allocated_instance = false;
 860        }
 861#endif
 862        return;
 863    }
 864
 865    _free(ctx->font_bits, ctx->font_bits_size);
 866    _free(ctx->font_bool, ctx->font_bool_size);
 867    _free(ctx->grid, ctx->grid_size);
 868    _free(ctx->queue, ctx->queue_size);
 869    _free(ctx->map, ctx->map_size);
 870
 871#ifndef FLANTERM_FB_DISABLE_CANVAS
 872    _free(ctx->canvas, ctx->canvas_size);
 873#endif
 874
 875    _free(ctx, sizeof(struct flanterm_fb_context));
 876}
 877
 878struct flanterm_context *flanterm_fb_init(
 879    void *(*_malloc)(size_t),
 880    void (*_free)(void *, size_t),
 881    uint32_t *framebuffer, size_t width, size_t height, size_t pitch,
 882#ifdef FLANTERM_FB_SUPPORT_BPP
 883    uint8_t red_mask_size, uint8_t red_mask_shift,
 884    uint8_t green_mask_size, uint8_t green_mask_shift,
 885    uint8_t blue_mask_size, uint8_t blue_mask_shift,
 886#endif
 887#ifndef FLANTERM_FB_DISABLE_CANVAS
 888    uint32_t *canvas,
 889#endif
 890    uint32_t *ansi_colours, uint32_t *ansi_bright_colours,
 891    uint32_t *default_bg, uint32_t *default_fg,
 892    uint32_t *default_bg_bright, uint32_t *default_fg_bright,
 893    void *font, size_t font_width, size_t font_height, size_t font_spacing,
 894    size_t font_scale_x, size_t font_scale_y,
 895    size_t margin
 896) {
 897#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
 898    // Limit terminal size if needed
 899    if (width > FLANTERM_FB_WIDTH_LIMIT || height > FLANTERM_FB_HEIGHT_LIMIT) {
 900        size_t width_limit = width > FLANTERM_FB_WIDTH_LIMIT ? FLANTERM_FB_WIDTH_LIMIT : width;
 901        size_t height_limit = height > FLANTERM_FB_HEIGHT_LIMIT ? FLANTERM_FB_HEIGHT_LIMIT : height;
 902
 903        framebuffer = (uint32_t *)((uintptr_t)framebuffer + ((((height / 2) - (height_limit / 2)) * pitch) + (((width / 2) - (width_limit / 2)) * 4)));
 904
 905        width = width_limit;
 906        height = height_limit;
 907    }
 908#endif
 909
 910#ifdef FLANTERM_FB_SUPPORT_BPP
 911    if (red_mask_size < 8 || red_mask_size != green_mask_size || red_mask_size != blue_mask_size) {
 912        return NULL;
 913    }
 914#endif
 915
 916    if (_malloc == NULL) {
 917#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
 918        if (bump_allocated_instance == true) {
 919            return NULL;
 920        }
 921        _malloc = bump_alloc;
 922#else
 923        return NULL;
 924#endif
 925    }
 926
 927    struct flanterm_fb_context *ctx = NULL;
 928    ctx = _malloc(sizeof(struct flanterm_fb_context));
 929    if (ctx == NULL) {
 930        goto fail;
 931    }
 932
 933    struct flanterm_context *_ctx = (void *)ctx;
 934    memset(ctx, 0, sizeof(struct flanterm_fb_context));
 935
 936#ifdef FLANTERM_FB_SUPPORT_BPP
 937    ctx->red_mask_size = red_mask_size;
 938    ctx->red_mask_shift = red_mask_shift + (red_mask_size - 8);
 939    ctx->green_mask_size = green_mask_size;
 940    ctx->green_mask_shift = green_mask_shift + (green_mask_size - 8);
 941    ctx->blue_mask_size = blue_mask_size;
 942    ctx->blue_mask_shift = blue_mask_shift + (blue_mask_size - 8);
 943#endif
 944
 945    if (ansi_colours != NULL) {
 946        for (size_t i = 0; i < 8; i++) {
 947            ctx->ansi_colours[i] = convert_colour(_ctx, ansi_colours[i]);
 948        }
 949    } else {
 950        ctx->ansi_colours[0] = convert_colour(_ctx, 0x00000000); // black
 951        ctx->ansi_colours[1] = convert_colour(_ctx, 0x00aa0000); // red
 952        ctx->ansi_colours[2] = convert_colour(_ctx, 0x0000aa00); // green
 953        ctx->ansi_colours[3] = convert_colour(_ctx, 0x00aa5500); // brown
 954        ctx->ansi_colours[4] = convert_colour(_ctx, 0x000000aa); // blue
 955        ctx->ansi_colours[5] = convert_colour(_ctx, 0x00aa00aa); // magenta
 956        ctx->ansi_colours[6] = convert_colour(_ctx, 0x0000aaaa); // cyan
 957        ctx->ansi_colours[7] = convert_colour(_ctx, 0x00aaaaaa); // grey
 958    }
 959
 960    if (ansi_bright_colours != NULL) {
 961        for (size_t i = 0; i < 8; i++) {
 962            ctx->ansi_bright_colours[i] = convert_colour(_ctx, ansi_bright_colours[i]);
 963        }
 964    } else {
 965        ctx->ansi_bright_colours[0] = convert_colour(_ctx, 0x00555555); // black
 966        ctx->ansi_bright_colours[1] = convert_colour(_ctx, 0x00ff5555); // red
 967        ctx->ansi_bright_colours[2] = convert_colour(_ctx, 0x0055ff55); // green
 968        ctx->ansi_bright_colours[3] = convert_colour(_ctx, 0x00ffff55); // brown
 969        ctx->ansi_bright_colours[4] = convert_colour(_ctx, 0x005555ff); // blue
 970        ctx->ansi_bright_colours[5] = convert_colour(_ctx, 0x00ff55ff); // magenta
 971        ctx->ansi_bright_colours[6] = convert_colour(_ctx, 0x0055ffff); // cyan
 972        ctx->ansi_bright_colours[7] = convert_colour(_ctx, 0x00ffffff); // grey
 973    }
 974
 975    if (default_bg != NULL) {
 976        ctx->default_bg = convert_colour(_ctx, *default_bg);
 977    } else {
 978        ctx->default_bg = 0x00000000; // background (black)
 979    }
 980
 981    if (default_fg != NULL) {
 982        ctx->default_fg = convert_colour(_ctx, *default_fg);
 983    } else {
 984        ctx->default_fg = convert_colour(_ctx, 0x00aaaaaa); // foreground (grey)
 985    }
 986
 987    if (default_bg_bright != NULL) {
 988        ctx->default_bg_bright = convert_colour(_ctx, *default_bg_bright);
 989    } else {
 990        ctx->default_bg_bright = convert_colour(_ctx, 0x00555555); // background (black)
 991    }
 992
 993    if (default_fg_bright != NULL) {
 994        ctx->default_fg_bright = convert_colour(_ctx, *default_fg_bright);
 995    } else {
 996        ctx->default_fg_bright = convert_colour(_ctx, 0x00ffffff); // foreground (grey)
 997    }
 998
 999    ctx->text_fg = ctx->default_fg;
1000    ctx->text_bg = 0xffffffff;
1001
1002    ctx->framebuffer = (void *)framebuffer;
1003    ctx->width = width;
1004    ctx->height = height;
1005    ctx->pitch = pitch;
1006
1007#define FONT_BYTES ((font_width * font_height * FLANTERM_FB_FONT_GLYPHS) / 8)
1008
1009    if (font != NULL) {
1010        ctx->font_width = font_width;
1011        ctx->font_height = font_height;
1012        ctx->font_bits_size = FONT_BYTES;
1013        ctx->font_bits = _malloc(ctx->font_bits_size);
1014        if (ctx->font_bits == NULL) {
1015            goto fail;
1016        }
1017        memcpy(ctx->font_bits, font, ctx->font_bits_size);
1018    } else {
1019        ctx->font_width = font_width = 8;
1020        ctx->font_height = font_height = 16;
1021        ctx->font_bits_size = FONT_BYTES;
1022        font_spacing = 1;
1023        ctx->font_bits = _malloc(ctx->font_bits_size);
1024        if (ctx->font_bits == NULL) {
1025            goto fail;
1026        }
1027        memcpy(ctx->font_bits, builtin_font, ctx->font_bits_size);
1028    }
1029
1030#undef FONT_BYTES
1031
1032    ctx->font_width += font_spacing;
1033
1034    ctx->font_bool_size = FLANTERM_FB_FONT_GLYPHS * font_height * ctx->font_width * sizeof(bool);
1035    ctx->font_bool = _malloc(ctx->font_bool_size);
1036    if (ctx->font_bool == NULL) {
1037        goto fail;
1038    }
1039
1040    for (size_t i = 0; i < FLANTERM_FB_FONT_GLYPHS; i++) {
1041        uint8_t *glyph = &ctx->font_bits[i * font_height];
1042
1043        for (size_t y = 0; y < font_height; y++) {
1044            // NOTE: the characters in VGA fonts are always one byte wide.
1045            // 9 dot wide fonts have 8 dots and one empty column, except
1046            // characters 0xC0-0xDF replicate column 9.
1047            for (size_t x = 0; x < 8; x++) {
1048                size_t offset = i * font_height * ctx->font_width + y * ctx->font_width + x;
1049
1050                if ((glyph[y] & (0x80 >> x))) {
1051                    ctx->font_bool[offset] = true;
1052                } else {
1053                    ctx->font_bool[offset] = false;
1054                }
1055            }
1056            // fill columns above 8 like VGA Line Graphics Mode does
1057            for (size_t x = 8; x < ctx->font_width; x++) {
1058                size_t offset = i * font_height * ctx->font_width + y * ctx->font_width + x;
1059
1060                if (i >= 0xc0 && i <= 0xdf) {
1061                    ctx->font_bool[offset] = (glyph[y] & 1);
1062                } else {
1063                    ctx->font_bool[offset] = false;
1064                }
1065            }
1066        }
1067    }
1068
1069    ctx->font_scale_x = font_scale_x;
1070    ctx->font_scale_y = font_scale_y;
1071
1072    ctx->glyph_width = ctx->font_width * font_scale_x;
1073    ctx->glyph_height = font_height * font_scale_y;
1074
1075    _ctx->cols = (ctx->width - margin * 2) / ctx->glyph_width;
1076    _ctx->rows = (ctx->height - margin * 2) / ctx->glyph_height;
1077
1078    ctx->offset_x = margin + ((ctx->width - margin * 2) % ctx->glyph_width) / 2;
1079    ctx->offset_y = margin + ((ctx->height - margin * 2) % ctx->glyph_height) / 2;
1080
1081    ctx->grid_size = _ctx->rows * _ctx->cols * sizeof(struct flanterm_fb_char);
1082    ctx->grid = _malloc(ctx->grid_size);
1083    if (ctx->grid == NULL) {
1084        goto fail;
1085    }
1086    for (size_t i = 0; i < _ctx->rows * _ctx->cols; i++) {
1087        ctx->grid[i].c = ' ';
1088        ctx->grid[i].fg = ctx->text_fg;
1089        ctx->grid[i].bg = ctx->text_bg;
1090    }
1091
1092    ctx->queue_size = _ctx->rows * _ctx->cols * sizeof(struct flanterm_fb_queue_item);
1093    ctx->queue = _malloc(ctx->queue_size);
1094    if (ctx->queue == NULL) {
1095        goto fail;
1096    }
1097    ctx->queue_i = 0;
1098    memset(ctx->queue, 0, ctx->queue_size);
1099
1100    ctx->map_size = _ctx->rows * _ctx->cols * sizeof(struct flanterm_fb_queue_item *);
1101    ctx->map = _malloc(ctx->map_size);
1102    if (ctx->map == NULL) {
1103        goto fail;
1104    }
1105    memset(ctx->map, 0, ctx->map_size);
1106
1107#ifndef FLANTERM_FB_DISABLE_CANVAS
1108    ctx->canvas_size = ctx->width * ctx->height * sizeof(uint32_t);
1109    ctx->canvas = _malloc(ctx->canvas_size);
1110    if (ctx->canvas == NULL) {
1111        goto fail;
1112    }
1113    if (canvas != NULL) {
1114        for (size_t i = 0; i < ctx->width * ctx->height; i++) {
1115            ctx->canvas[i] = convert_colour(_ctx, canvas[i]);
1116        }
1117    } else {
1118        for (size_t i = 0; i < ctx->width * ctx->height; i++) {
1119            ctx->canvas[i] = ctx->default_bg;
1120        }
1121    }
1122#endif
1123
1124    _ctx->raw_putchar = flanterm_fb_raw_putchar;
1125    _ctx->clear = flanterm_fb_clear;
1126    _ctx->set_cursor_pos = flanterm_fb_set_cursor_pos;
1127    _ctx->get_cursor_pos = flanterm_fb_get_cursor_pos;
1128    _ctx->set_text_fg = flanterm_fb_set_text_fg;
1129    _ctx->set_text_bg = flanterm_fb_set_text_bg;
1130    _ctx->set_text_fg_bright = flanterm_fb_set_text_fg_bright;
1131    _ctx->set_text_bg_bright = flanterm_fb_set_text_bg_bright;
1132    _ctx->set_text_fg_rgb = flanterm_fb_set_text_fg_rgb;
1133    _ctx->set_text_bg_rgb = flanterm_fb_set_text_bg_rgb;
1134    _ctx->set_text_fg_default = flanterm_fb_set_text_fg_default;
1135    _ctx->set_text_bg_default = flanterm_fb_set_text_bg_default;
1136    _ctx->set_text_fg_default_bright = flanterm_fb_set_text_fg_default_bright;
1137    _ctx->set_text_bg_default_bright = flanterm_fb_set_text_bg_default_bright;
1138    _ctx->move_character = flanterm_fb_move_character;
1139    _ctx->scroll = flanterm_fb_scroll;
1140    _ctx->revscroll = flanterm_fb_revscroll;
1141    _ctx->swap_palette = flanterm_fb_swap_palette;
1142    _ctx->save_state = flanterm_fb_save_state;
1143    _ctx->restore_state = flanterm_fb_restore_state;
1144    _ctx->double_buffer_flush = flanterm_fb_double_buffer_flush;
1145    _ctx->full_refresh = flanterm_fb_full_refresh;
1146    _ctx->deinit = flanterm_fb_deinit;
1147
1148    flanterm_context_reinit(_ctx);
1149    flanterm_fb_full_refresh(_ctx);
1150
1151#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
1152    if (_malloc == bump_alloc) {
1153        bump_allocated_instance = true;
1154    }
1155#endif
1156
1157    return _ctx;
1158
1159fail:
1160#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
1161    if (_malloc == bump_alloc) {
1162        bump_alloc_ptr = 0;
1163        return NULL;
1164    }
1165#endif
1166
1167    if (_free == NULL) {
1168        return NULL;
1169    }
1170
1171#ifndef FLANTERM_FB_DISABLE_CANVAS
1172    if (ctx->canvas != NULL) {
1173        _free(ctx->canvas, ctx->canvas_size);
1174    }
1175#endif
1176    if (ctx->map != NULL) {
1177        _free(ctx->map, ctx->map_size);
1178    }
1179    if (ctx->queue != NULL) {
1180        _free(ctx->queue, ctx->queue_size);
1181    }
1182    if (ctx->grid != NULL) {
1183        _free(ctx->grid, ctx->grid_size);
1184    }
1185    if (ctx->font_bool != NULL) {
1186        _free(ctx->font_bool, ctx->font_bool_size);
1187    }
1188    if (ctx->font_bits != NULL) {
1189        _free(ctx->font_bits, ctx->font_bits_size);
1190    }
1191    if (ctx != NULL) {
1192        _free(ctx, sizeof(struct flanterm_fb_context));
1193    }
1194
1195    return NULL;
1196}