gary
d09dc5cc01
Will make dynamically loaded Modules impossible, but they add complexity and really aren't that useful...
184 lines
2.3 KiB
C++
184 lines
2.3 KiB
C++
/*
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* Copyright 2016 - 2019 gtalent2@gmail.com
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "gfx.hpp"
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namespace nostalgia::core {
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// map ASCII values to the nostalgia charset
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char charMap[128] = {
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0,
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0, // space
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38, // !
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0, // "
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0, // #
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0, // $
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0, // %
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0, // &
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0, // '
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42, // (
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43, // )
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0, // *
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0, // +
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37, // ,
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0, // -
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39, // .
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0, // /
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27, // 0
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28, // 1
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29, // 2
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30, // 3
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31, // 4
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32, // 5
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33, // 6
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34, // 7
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35, // 8
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36, // 9
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40, // :
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0, // ;
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0, // <
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41, // =
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0, // >
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0, // ?
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0, // @
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1, // A
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2, // B
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3, // C
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4, // D
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5, // E
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6, // F
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7, // G
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8, // H
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9, // I
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10, // J
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11, // K
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12, // L
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13, // M
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14, // N
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15, // O
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16, // P
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17, // Q
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18, // R
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19, // S
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20, // T
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21, // U
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22, // V
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23, // W
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24, // X
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25, // Y
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26, // Z
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44, // [
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0, // backslash
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45, // ]
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0, // ^
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0, // _
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0, // `
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1, // a
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2, // b
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3, // c
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4, // d
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5, // e
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6, // f
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7, // g
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8, // h
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9, // i
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10, // j
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11, // k
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12, // l
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13, // m
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14, // n
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15, // o
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16, // p
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17, // q
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18, // r
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19, // s
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20, // t
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21, // u
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22, // v
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23, // w
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24, // x
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25, // y
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26, // z
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46, // {
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0, // |
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48, // }
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0, // ~
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};
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Color32 toColor32(Color16 nc) noexcept {
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Color32 r = static_cast<Color32>(((nc & 0b0000000000011111) >> 0) * 8);
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Color32 g = static_cast<Color32>(((nc & 0b0000001111100000) >> 5) * 8);
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Color32 b = static_cast<Color32>(((nc & 0b0111110000000000) >> 10) * 8);
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Color32 a = 255;
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return a | (b << 8) | (g << 16) | (r << 24);
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}
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uint8_t red32(Color32 c) noexcept {
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return (c & 0x000000ff) >> 0;
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}
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uint8_t green32(Color32 c) noexcept {
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return (c & 0x0000ff00) >> 8;
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}
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uint8_t blue32(Color32 c) noexcept {
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return (c & 0x00ff0000) >> 16;
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}
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uint8_t red32(Color16 c) noexcept {
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return red16(c) * 8;
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}
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uint8_t green32(Color16 c) noexcept {
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return green16(c) * 8;
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}
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uint8_t blue32(Color16 c) noexcept {
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return blue16(c) * 8;
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}
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static_assert(color16(0, 31, 0, 0) == 992);
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static_assert(color16(16, 31, 0, 0) == 1008);
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static_assert(color16(16, 31, 8, 0) == 9200);
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static_assert(color16(16, 31, 8, 1) == 41968);
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}
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