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/*
Brainuino Aleph
Copyright (C) 2011, 2012, 2014 Dmitry Mikhirev
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <LiquidCrystal.h>
#include "lcdprint.h"
#include "font.h"
size_t uprint(const char* rawstr, Print* out)
{
utf8 str = utf8(rawstr);
return utf8print(&str, out);
}
size_t uprint(const __FlashStringHelper* rawstr, Print* out)
{
utf8 str = utf8(rawstr);
return utf8print(&str, out);
}
size_t utf8print(utf8* str, Print* out)
{
char result[str->chars() + 1];
wchar_t ucode;
uint16_t i;
for (i = 0; i < (str->chars()); i++) {
ucode = str->get();
if (ucode != 0x0000) {
result[i] = codeOf(ucode);
} else {
break;
}
}
result[i] = '\0';
return out->print(result);
}
char codeOf(wchar_t ucode)
{
if (ucode > 0x0000 && ucode <= 0x007d) // ASCII symbol
return char(ucode);
int low, high, mid;
low = 0;
high = sizeof(charmap)/sizeof(charcode) - 1;
while (low <= high) {
mid = (low + high) >> 1;
wchar_t u = pgm_read_word(&charmap[mid].uni);
if (wchar_t(u) > ucode)
high = mid - 1;
else if (u < ucode)
low = mid + 1;
else
return pgm_read_byte(&charmap[mid].font);
}
return NOCHAR;
}
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