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macterm.cc
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// hiptext - Image to Text Converter
// By Justine Tunney
#include "macterm.h"
#include <algorithm>
#include <array>
#include <cstdint>
#include <iterator>
#include <utility>
#include <glog/logging.h>
#include "pixel.h"
using std::array;
using std::distance;
using std::min_element;
MactermColor::MactermColor(const Pixel& top, const Pixel& bot) {
struct Match {
uint8_t code;
double dist;
};
Match best_fg_top = {0, 1e6};
Match best_fg_bot = {0, 1e6};
Match best_bg_top = {0, 1e6};
Match best_bg_bot = {0, 1e6};
double dist;
for (int code = 16; code < 256; ++code) {
dist = top.Distance(macterm_colors[0][code]);
if (dist < best_fg_top.dist) {
best_fg_top.code = code;
best_fg_top.dist = dist;
}
dist = bot.Distance(macterm_colors[0][code]);
if (dist < best_fg_bot.dist) {
best_fg_bot.code = code;
best_fg_bot.dist = dist;
}
}
for (int code = 16; code < 256; ++code) {
dist = top.Distance(macterm_colors[1][code]);
if (dist < best_bg_top.dist) {
best_bg_top.code = code;
best_bg_top.dist = dist;
}
dist = bot.Distance(macterm_colors[1][code]);
if (dist < best_bg_bot.dist) {
best_bg_bot.code = code;
best_bg_bot.dist = dist;
}
}
array<double, 6> choices = {{
best_fg_top.dist + best_bg_bot.dist,
best_bg_top.dist + best_fg_bot.dist,
best_fg_top.dist + bot.Distance(macterm_colors[0][best_fg_top.code]),
best_fg_bot.dist + top.Distance(macterm_colors[0][best_fg_bot.code]),
best_bg_top.dist + bot.Distance(macterm_colors[1][best_bg_top.code]),
best_bg_bot.dist + top.Distance(macterm_colors[1][best_bg_bot.code])}};
switch (distance(choices.begin(),
min_element(choices.begin(), choices.end()))) {
case 0:
symbol_ = kUpperHalfBlock;
fg_ = best_fg_top.code;
bg_ = best_bg_bot.code;
break;
case 1:
symbol_ = kLowerHalfBlock;
bg_ = best_bg_top.code;
fg_ = best_fg_bot.code;
break;
case 2:
symbol_ = kFullBlock;
fg_ = best_fg_top.code;
bg_ = best_fg_top.code;
break;
case 3:
symbol_ = kFullBlock;
fg_ = best_fg_bot.code;
bg_ = best_fg_bot.code;
break;
case 4:
symbol_ = kSpace;
fg_ = best_bg_top.code;
bg_ = best_bg_top.code;
break;
case 5:
symbol_ = kSpace;
fg_ = best_bg_bot.code;
bg_ = best_bg_bot.code;
break;
default:
CHECK(false);
}
}
// Terminal.app on Mac OS X is interesting. First of all, it doesn't follow the
// xterm-256color standard, but that's probably for the best since xterm's
// palette was obviously chosen by engineers rather than designers. The problem
// is I'm not quite sure what Terminal.app is doing. It slightly ajusts the
// color when displaying foregrounds and backgrounds but I'm not sure what
// formula they're using to do it. They also seem to slightly alter colors
// depending on the terminal theme. The following colors are what I scraped
// from Mac OS X 10.8 Mountain Lion Terminal.app with a black background and
// the "Pro" theme.
const Pixel macterm_colors[2][256] = {
// Foreground
{
Pixel::kClear,
{192, 55, 41},
{ 48, 187, 49},
{173, 172, 53},
{ 73, 76, 224},
{209, 65, 209},
{ 60, 187, 199},
{203, 204, 205},
{154, 155, 156},
{249, 59, 44},
{ 62, 229, 55},
{234, 234, 62},
{ 89, 63, 251},
{247, 67, 245},
{ 48, 239, 239},
{233, 235, 235},
{ 47, 49, 49},
{ 60, 46, 142},
{ 67, 51, 180},
{ 74, 56, 218},
{ 82, 62, 248},
{ 89, 63, 251},
{ 46, 127, 43},
{ 46, 127, 127},
{ 49, 127, 167},
{ 60, 127, 207},
{ 63, 127, 241},
{ 70, 126, 251},
{ 57, 161, 50},
{ 47, 161, 122},
{ 50, 161, 161},
{ 60, 161, 200},
{ 53, 161, 237},
{ 65, 160, 252},
{ 45, 194, 51},
{ 58, 194, 118},
{ 51, 194, 156},
{ 59, 194, 194},
{ 48, 194, 233},
{ 63, 194, 252},
{ 62, 227, 55},
{ 55, 227, 115},
{ 48, 227, 151},
{ 63, 227, 189},
{ 52, 227, 227},
{ 66, 227, 253},
{ 51, 252, 57},
{ 53, 252, 111},
{ 63, 252, 147},
{ 58, 252, 184},
{ 59, 252, 222},
{ 62, 253, 251},
{138, 49, 43},
{134, 55, 134},
{134, 58, 174},
{133, 61, 213},
{134, 67, 244},
{134, 65, 251},
{125, 124, 46},
{124, 125, 125},
{122, 125, 165},
{123, 126, 205},
{124, 126, 243},
{125, 125, 251},
{120, 159, 47},
{118, 159, 121},
{118, 159, 160},
{117, 160, 199},
{118, 160, 238},
{119, 160, 252},
{115, 193, 53},
{113, 193, 117},
{114, 193, 155},
{111, 193, 193},
{113, 194, 232},
{112, 193, 252},
{110, 226, 53},
{108, 226, 114},
{110, 226, 151},
{106, 226, 189},
{105, 227, 227},
{105, 226, 252},
{ 99, 251, 59},
{103, 251, 111},
{104, 251, 146},
{ 97, 252, 184},
{102, 252, 221},
{ 98, 254, 250},
{175, 54, 40},
{172, 58, 130},
{170, 61, 170},
{170, 66, 210},
{169, 67, 245},
{168, 69, 251},
{164, 123, 47},
{162, 123, 124},
{161, 124, 163},
{161, 124, 203},
{160, 125, 238},
{160, 125, 251},
{158, 157, 47},
{157, 158, 120},
{157, 158, 159},
{155, 158, 198},
{155, 159, 236},
{155, 158, 252},
{153, 192, 55},
{152, 192, 117},
{151, 192, 154},
{151, 192, 193},
{150, 192, 231},
{150, 192, 251},
{148, 225, 53},
{147, 225, 114},
{146, 225, 150},
{147, 226, 188},
{145, 226, 226},
{145, 226, 250},
{142, 251, 61},
{141, 251, 111},
{141, 252, 146},
{142, 253, 183},
{139, 254, 221},
{138, 255, 249},
{211, 59, 40},
{209, 63, 126},
{207, 63, 166},
{206, 64, 206},
{205, 69, 243},
{204, 72, 252},
{202, 121, 45},
{201, 122, 122},
{200, 122, 161},
{199, 123, 200},
{199, 124, 238},
{197, 124, 252},
{197, 156, 51},
{195, 156, 119},
{195, 157, 157},
{194, 157, 196},
{193, 157, 234},
{193, 157, 252},
{191, 190, 54},
{190, 190, 116},
{189, 191, 153},
{190, 191, 191},
{188, 191, 229},
{187, 191, 251},
{186, 224, 55},
{185, 224, 113},
{184, 224, 150},
{184, 224, 187},
{184, 225, 225},
{182, 224, 251},
{180, 253, 62},
{180, 253, 111},
{179, 253, 146},
{179, 253, 183},
{179, 254, 220},
{177, 252, 249},
{244, 59, 43},
{243, 62, 123},
{241, 65, 162},
{241, 69, 202},
{240, 70, 238},
{238, 69, 252},
{239, 119, 50},
{238, 120, 120},
{236, 121, 159},
{235, 121, 198},
{235, 123, 236},
{234, 123, 252},
{234, 154, 53},
{233, 154, 118},
{232, 155, 156},
{231, 155, 194},
{231, 156, 233},
{230, 156, 252},
{229, 188, 53},
{228, 189, 115},
{227, 189, 152},
{227, 189, 190},
{226, 189, 228},
{225, 189, 253},
{223, 222, 60},
{223, 223, 113},
{222, 223, 149},
{222, 223, 186},
{222, 223, 224},
{220, 223, 252},
{218, 251, 61},
{217, 251, 109},
{217, 251, 145},
{217, 251, 182},
{216, 251, 219},
{216, 251, 250},
{252, 63, 43},
{252, 64, 120},
{252, 64, 159},
{252, 65, 198},
{252, 67, 236},
{252, 72, 252},
{253, 117, 47},
{253, 118, 118},
{253, 119, 156},
{253, 120, 194},
{253, 120, 233},
{252, 121, 252},
{253, 152, 49},
{252, 152, 116},
{252, 153, 153},
{253, 153, 192},
{252, 154, 229},
{251, 154, 251},
{253, 186, 56},
{251, 187, 114},
{251, 187, 151},
{252, 187, 188},
{252, 188, 226},
{251, 188, 251},
{251, 221, 61},
{250, 221, 112},
{250, 221, 148},
{250, 221, 185},
{251, 222, 222},
{251, 222, 251},
{251, 250, 58},
{250, 250, 109},
{249, 250, 144},
{247, 251, 181},
{247, 253, 218},
{254, 255, 255},
{ 52, 53, 53},
{ 57, 58, 59},
{ 66, 67, 67},
{ 75, 76, 76},
{ 84, 85, 85},
{ 92, 93, 94},
{101, 102, 102},
{109, 111, 111},
{118, 119, 119},
{126, 127, 128},
{134, 136, 136},
{143, 144, 145},
{151, 152, 153},
{159, 161, 161},
{167, 169, 169},
{176, 177, 177},
{184, 185, 186},
{192, 193, 194},
{200, 201, 202},
{208, 209, 210},
{216, 218, 218},
{224, 226, 226},
{232, 234, 234},
{240, 242, 242},
},
// Background
{
Pixel::kClear,
{151, 4, 12},
{ 23, 164, 26},
{153, 152, 29},
{ 8, 43, 181},
{177, 25, 176},
{ 26, 166, 177},
{191, 191, 191},
{132, 132, 132},
{227, 10, 23},
{ 33, 215, 38},
{229, 228, 49},
{ 11, 36, 251},
{227, 35, 227},
{ 39, 229, 228},
{230, 229, 230},
{ 0, 0, 0},
{ 1, 7, 93},
{ 3, 14, 133},
{ 5, 21, 172},
{ 7, 28, 211},
{ 11, 36, 251},
{ 8, 94, 11},
{ 10, 95, 95},
{ 11, 96, 133},
{ 13, 97, 173},
{ 15, 99, 212},
{ 18, 101, 251},
{ 17, 134, 20},
{ 18, 134, 96},
{ 18, 135, 134},
{ 20, 136, 173},
{ 21, 137, 212},
{ 23, 138, 251},
{ 25, 173, 29},
{ 26, 174, 98},
{ 26, 174, 136},
{ 27, 175, 174},
{ 28, 175, 213},
{ 30, 176, 252},
{ 33, 213, 38},
{ 34, 213, 101},
{ 34, 214, 137},
{ 35, 214, 175},
{ 36, 215, 214},
{ 37, 215, 253},
{ 41, 253, 47},
{ 42, 253, 104},
{ 42, 253, 140},
{ 43, 253, 177},
{ 44, 254, 215},
{ 45, 255, 254},
{ 94, 2, 4},
{ 94, 8, 94},
{ 94, 15, 133},
{ 94, 22, 172},
{ 95, 29, 211},
{ 95, 36, 251},
{ 95, 94, 14},
{ 95, 95, 95},
{ 95, 96, 134},
{ 95, 97, 173},
{ 96, 99, 212},
{ 96, 101, 251},
{ 96, 134, 22},
{ 96, 134, 96},
{ 96, 135, 135},
{ 97, 136, 173},
{ 97, 137, 212},
{ 97, 138, 252},
{ 98, 173, 30},
{ 98, 174, 98},
{ 98, 174, 136},
{ 98, 175, 174},
{ 98, 176, 213},
{ 99, 177, 252},
{100, 213, 39},
{100, 213, 101},
{100, 214, 138},
{100, 214, 176},
{101, 215, 214},
{101, 215, 253},
{102, 253, 48},
{103, 253, 104},
{103, 253, 140},
{103, 253, 177},
{103, 254, 215},
{104, 255, 254},
{133, 3, 9},
{133, 10, 94},
{134, 16, 133},
{134, 23, 172},
{134, 30, 212},
{134, 37, 251},
{134, 94, 18},
{134, 95, 96},
{134, 96, 134},
{134, 97, 173},
{135, 99, 212},
{135, 101, 251},
{135, 134, 25},
{135, 134, 97},
{135, 135, 135},
{135, 136, 174},
{135, 137, 213},
{136, 138, 252},
{136, 173, 32},
{136, 174, 99},
{136, 174, 136},
{136, 175, 175},
{136, 176, 213},
{137, 177, 252},
{137, 213, 40},
{137, 213, 102},
{138, 214, 138},
{138, 214, 176},
{138, 215, 214},
{138, 216, 253},
{139, 253, 49},
{139, 253, 105},
{139, 253, 140},
{139, 254, 178},
{140, 254, 216},
{140, 255, 254},
{173, 6, 15},
{173, 12, 95},
{173, 18, 134},
{173, 24, 173},
{173, 31, 212},
{174, 38, 251},
{173, 95, 22},
{174, 95, 96},
{174, 96, 135},
{174, 98, 173},
{174, 99, 212},
{174, 101, 252},
{174, 134, 28},
{174, 135, 98},
{174, 135, 136},
{174, 136, 174},
{174, 137, 213},
{175, 139, 252},
{175, 174, 35},
{175, 174, 100},
{175, 174, 137},
{175, 175, 175},
{175, 176, 214},
{175, 177, 253},
{176, 213, 43},
{176, 213, 102},
{176, 214, 139},
{176, 214, 176},
{176, 215, 215},
{176, 216, 253},
{177, 253, 51},
{177, 253, 105},
{177, 253, 141},
{177, 254, 178},
{178, 254, 216},
{178, 255, 254},
{213, 9, 21},
{213, 15, 96},
{213, 20, 135},
{241, 69, 202},
{213, 32, 212},
{213, 39, 251},
{213, 95, 27},
{213, 96, 97},
{213, 97, 135},
{213, 98, 174},
{213, 100, 213},
{213, 102, 252},
{213, 134, 32},
{213, 135, 99},
{213, 135, 136},
{214, 136, 175},
{214, 137, 213},
{214, 139, 252},
{214, 174, 38},
{214, 174, 101},
{214, 175, 138},
{214, 175, 176},
{214, 176, 214},
{214, 177, 253},
{215, 213, 45},
{215, 214, 103},
{215, 214, 139},
{215, 214, 177},
{215, 215, 215},
{215, 216, 254},
{216, 253, 53},
{216, 253, 106},
{216, 253, 141},
{216, 254, 178},
{216, 254, 216},
{216, 255, 255},
{252, 13, 27},
{252, 18, 98},
{252, 22, 135},
{252, 28, 174},
{252, 34, 213},
{252, 40, 252},
{252, 96, 32},
{252, 96, 99},
{252, 97, 136},
{253, 99, 175},
{253, 100, 213},
{253, 102, 252},
{253, 135, 36},
{253, 135, 100},
{253, 136, 137},
{253, 137, 175},
{253, 138, 214},
{253, 139, 253},
{253, 174, 42},
{253, 174, 102},
{253, 175, 138},
{253, 175, 176},
{253, 176, 215},
{254, 177, 253},
{254, 213, 48},
{254, 214, 105},
{254, 214, 140},
{254, 215, 177},
{254, 215, 216},
{254, 216, 254},
{255, 253, 56},
{255, 253, 108},
{255, 253, 142},
{255, 254, 179},
{255, 254, 217},
{255, 255, 255},
{ 8, 8, 8},
{ 18, 18, 18},
{ 28, 28, 28},
{ 38, 38, 38},
{ 48, 48, 48},
{ 58, 58, 58},
{ 68, 68, 68},
{ 78, 78, 78},
{ 88, 88, 88},
{ 98, 98, 98},
{108, 108, 108},
{118, 118, 118},
{128, 128, 128},
{138, 138, 138},
{148, 148, 148},
{158, 158, 158},
{168, 168, 168},
{178, 178, 178},
{188, 188, 188},
{198, 198, 198},
{208, 208, 208},
{218, 218, 218},
{228, 228, 228},
{238, 238, 238},
},
};
// For Emacs:
// Local Variables:
// mode:c++
// indent-tabs-mode:nil
// tab-width:2
// c-basic-offset:2
// c-file-style: nil
// End:
// For VIM:
// vim:set expandtab softtabstop=2 shiftwidth=2 tabstop=2: