Michel/arduino-library-lolshield
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e60385b6c6e9352670368b5ca02864cc569af321
arduino-library-lolshield/lib/Font.cpp
T
root e60385b6c6 Move the font table into PROGMEM. 
Compress the column and row into a single byte.
Fix up some of the problems with the lowercase characters, though they're not
enabled by default.

Trims FontTest by 458 bytes of text and 116 bytes of data.
2013-08-30 05:58:15 +00:00

193 lines
14 KiB
C++
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#include <avr/pgmspace.h>
/*
Font drawing library
Copyright 2009/2010 Benjamin Sonntag <benjamin@sonntag.fr> http://benjamin.sonntag.fr/
History:
2010-01-01 - V0.0 Initial code at Berlin after 26C3
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include "Font.h"
#include "Charliplexing.h"
#include <inttypes.h>
#define C(c,r) ((c << 4) | r)
PROGMEM const uint8_t letters_33[] = { C(1,1), C(1,2), C(1,3), C(1,4), C(1,5), C(1,7), 255 };
PROGMEM const uint8_t letters_39[] = { C(1,3), C(2,1), C(2,2), 255 };
PROGMEM const uint8_t letters_44[] = { C(1,7), C(2,5), C(2,6), 255 };
PROGMEM const uint8_t letters_48[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,1), C(1,7), C(2,1), C(2,7), C(3,1), C(3,7), C(4,2), C(4,3), C(4,4), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_49[] = { C(1,2), C(1,7), C(2,1), C(2,2), C(2,3), C(2,4), C(2,5), C(2,6), C(2,7), C(3,7), 255 };
PROGMEM const uint8_t letters_50[] = { C(0,2), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,2), C(4,3), C(4,7), 255 };
PROGMEM const uint8_t letters_51[] = { C(0,2), C(0,6), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,2), C(4,3), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_52[] = { C(0,4), C(0,5), C(1,3), C(1,5), C(2,2), C(2,5), C(3,1), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), C(3,7), C(4,5), 255 };
PROGMEM const uint8_t letters_53[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,1), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_54[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,2), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_55[] = { C(0,1), C(1,1), C(2,1), C(2,5), C(2,6), C(2,7), C(3,1), C(3,3), C(3,4), C(4,1), C(4,2), 255 };
PROGMEM const uint8_t letters_56[] = { C(0,2), C(0,3), C(0,5), C(0,6), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,2), C(4,3), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_57[] = { C(0,2), C(0,3), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), C(4,2), C(4,3), C(4,4), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_65[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(2,1), C(2,4), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_66[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,2), C(3,3), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_67[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,1), C(1,7), C(2,1), C(2,7), C(3,1), C(3,7), 255 };
PROGMEM const uint8_t letters_68[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,7), C(2,1), C(2,7), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_69[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,4), C(3,7), 255 };
PROGMEM const uint8_t letters_70[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(2,1), C(2,4), C(3,1), C(3,4), 255 };
PROGMEM const uint8_t letters_71[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,2), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_72[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,4), C(3,1), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_73[] = { C(0,1), C(0,7), C(1,1), C(1,2), C(1,3), C(1,4), C(1,5), C(1,6), C(1,7), C(2,1), C(2,7), 255 };
PROGMEM const uint8_t letters_74[] = { C(0,7), C(1,1), C(1,7), C(2,1), C(2,2), C(2,3), C(2,4), C(2,5), C(2,6), C(3,1), 255 };
PROGMEM const uint8_t letters_75[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,3), C(2,5), C(3,1), C(3,2), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_76[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,7), C(2,7), C(3,7), 255 };
PROGMEM const uint8_t letters_77[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,2), C(2,3), C(3,2), C(4,1), C(4,2), C(4,3), C(4,4), C(4,5), C(4,6), C(4,7), 255 };
PROGMEM const uint8_t letters_78[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,2), C(2,3), C(3,4), C(4,1), C(4,2), C(4,3), C(4,4), C(4,5), C(4,6), C(4,7), 255 };
PROGMEM const uint8_t letters_79[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,1), C(1,7), C(2,1), C(2,7), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_80[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(2,1), C(2,4), C(3,2), C(3,3), 255 };
PROGMEM const uint8_t letters_81[] = { C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,1), C(1,7), C(2,1), C(2,5), C(2,7), C(3,1), C(3,6), C(4,2), C(4,3), C(4,4), C(4,5), C(4,7), 255 };
PROGMEM const uint8_t letters_82[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,1), C(1,4), C(2,1), C(2,4), C(2,5), C(3,1), C(3,4), C(3,6), C(4,2), C(4,3), C(4,7), 255 };
PROGMEM const uint8_t letters_83[] = { C(0,2), C(0,3), C(0,7), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_84[] = { C(0,1), C(1,1), C(1,2), C(1,3), C(1,4), C(1,5), C(1,6), C(1,7), C(2,1), 255 };
PROGMEM const uint8_t letters_85[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(1,7), C(2,7), C(3,1), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_86[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(1,6), C(2,7), C(3,6), C(4,1), C(4,2), C(4,3), C(4,4), C(4,5), 255 };
PROGMEM const uint8_t letters_87[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,6), C(2,5), C(3,6), C(4,1), C(4,2), C(4,3), C(4,4), C(4,5), C(4,6), C(4,7), 255 };
PROGMEM const uint8_t letters_88[] = { C(0,1), C(0,2), C(0,6), C(0,7), C(1,3), C(1,5), C(2,4), C(3,3), C(3,5), C(4,1), C(4,2), C(4,6), C(4,7), 255 };
PROGMEM const uint8_t letters_89[] = { C(0,1), C(0,2), C(1,3), C(2,4), C(2,5), C(2,6), C(2,7), C(3,3), C(4,1), C(4,2), 255 };
PROGMEM const uint8_t letters_90[] = { C(0,1), C(0,6), C(0,7), C(1,1), C(1,5), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,3), C(3,7), C(4,1), C(4,2), C(4,7), 255 };
#ifdef LOWERCASE
// This section of the font works now, but doesn't appear to be correct.
PROGMEM const uint8_t letters_97[] = { C(0,6), C(0,7), C(1,3), C(1,5), C(1,7), C(2,3), C(2,5), C(2,7), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_98[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(1,7), C(2,4), C(2,7), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_99[] = { C(0,5), C(0,6), C(1,4), C(1,7), C(2,4), C(2,7), 255 };
PROGMEM const uint8_t letters_100[] = { C(0,5), C(0,6), C(1,4), C(1,7), C(2,4), C(2,7), C(3,1), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
//PROGMEM const uint8_t letters_100[] = { C(0,2), C(0,3), C(1,1), C(1,4), C(1,7), C(2,1), C(2,4), C(2,7), C(3,1), C(3,2), C(3,3), C(3,4), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_101[] = { C(0,4), C(0,5), C(0,6), C(1,3), C(1,5), C(1,7), C(2,3), C(2,5), C(2,7), C(3,4), C(3,5), C(3,7), 255 };
PROGMEM const uint8_t letters_102[] = { C(0,4), C(1,1), C(1,2), C(1,3), C(1,4), C(1,5), C(1,6), C(1,7), C(2,1), C(2,4), C(3,1), 255 };
PROGMEM const uint8_t letters_103[] = { C(0,4), C(0,5), C(0,8), C(1,3), C(1,6), C(1,8), C(2,3), C(2,6), C(2,8), C(3,3), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_104[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_105[] = { C(0,2), C(0,4), C(0,5), C(0,6), C(0,7), 255 };
PROGMEM const uint8_t letters_106[] = { C(0,8), C(1,2), C(1,4), C(1,5), C(1,6), C(1,7), C(1,8), 255 };
PROGMEM const uint8_t letters_107[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), C(1,5), C(2,4), C(2,6), C(3,3), C(3,7), 255 };
PROGMEM const uint8_t letters_108[] = { C(0,1), C(0,2), C(0,3), C(0,4), C(0,5), C(0,6), C(0,7), 255 };
PROGMEM const uint8_t letters_109[] = { C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,5), C(2,6), C(2,7), C(3,4), C(4,5), C(4,6), C(4,7), 255 };
PROGMEM const uint8_t letters_110[] = { C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_111[] = { C(0,5), C(0,6), C(1,4), C(1,7), C(2,4), C(2,7), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_112[] = { C(0,4), C(0,5), C(0,6), C(0,7), C(0,8), C(1,4), C(1,7), C(2,4), C(2,7), C(3,5), C(3,6), 255 };
PROGMEM const uint8_t letters_113[] = { C(0,5), C(0,6), C(1,4), C(1,7), C(2,4), C(2,7), C(3,4), C(3,5), C(3,6), C(3,7), C(3,8), 255 };
PROGMEM const uint8_t letters_114[] = { C(0,4), C(0,5), C(0,6), C(0,7), C(1,4), C(2,4), 255 };
PROGMEM const uint8_t letters_115[] = { C(0,3), C(0,4), C(0,7), C(1,3), C(1,5), C(1,7), C(2,3), C(2,5), C(2,7), C(3,3), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_116[] = { C(0,4), C(1,3), C(1,4), C(1,5), C(1,6), C(1,7), C(2,4), C(2,7), C(3,7), 255 };
PROGMEM const uint8_t letters_117[] = { C(0,4), C(0,5), C(0,6), C(1,7), C(2,7), C(3,4), C(3,5), C(3,6), C(3,7), 255 };
PROGMEM const uint8_t letters_118[] = { C(0,4), C(0,5), C(0,6), C(1,7), C(2,4), C(2,5), C(2,6), 255 };
PROGMEM const uint8_t letters_119[] = { C(0,4), C(0,5), C(0,6), C(1,7), C(2,4), C(2,5), C(2,6), C(3,7), C(4,4), C(4,5), C(4,6), 255 };
PROGMEM const uint8_t letters_120[] = { C(0,4), C(0,7), C(1,5), C(1,6), C(2,4), C(2,7), 255 };
#endif
const unsigned char fontMin=33;
#ifdef LOWERCASE
const unsigned char fontMax=120;
#else
const unsigned char fontMax=90;
#endif
PROGMEM const uint8_t* const font[] = { letters_33 /*!*/, 0, 0, 0, 0, 0, letters_39 /*'*/, 0, 0, 0, 0, letters_44 /*,*/, 0, 0, 0,
letters_48 /*0*/, letters_49 /*1*/, letters_50 /*2*/, letters_51 /*3*/, letters_52 /*4*/, letters_53 /*5*/,
letters_54 /*6*/, letters_55 /*7*/, letters_56 /*8*/, letters_57 /*9*/, 0, 0, 0, 0, 0, 0, 0, letters_65 /*A*/,
letters_66 /*B*/, letters_67 /*C*/, letters_68 /*D*/, letters_69 /*E*/, letters_70 /*F*/, letters_71 /*G*/,
letters_72 /*H*/, letters_73 /*I*/, letters_74 /*J*/, letters_75 /*K*/, letters_76 /*L*/, letters_77 /*M*/,
letters_78 /*N*/, letters_79 /*O*/, letters_80 /*P*/, letters_81 /*Q*/, letters_82 /*R*/, letters_83 /*S*/,
letters_84 /*T*/, letters_85 /*U*/, letters_86 /*V*/, letters_87 /*W*/, letters_88 /*X*/, letters_89 /*Y*/,
letters_90 /*Z*/,
#ifdef LOWERCASE
0, 0, 0, 0, 0, 0, letters_97 /*a*/, letters_98 /*b*/, letters_99 /*c*/, letters_100 /*d*/, letters_101 /*e*/, letters_102 /*f*/, letters_103 /*g*/, letters_104 /*h*/, letters_105 /*i*/, letters_106 /*j*/, letters_107 /*k*/, letters_108 /*l*/, letters_109 /*m*/, letters_110 /*n*/, letters_111 /*o*/, letters_112 /*p*/, letters_113 /*q*/, letters_114 /*r*/, letters_115 /*s*/, letters_116 /*t*/, letters_117 /*u*/, letters_118 /*v*/, letters_119 /*w*/, letters_120 /*x*/,
#endif
};
/* ----------------------------------------------------------------- */
/** Draws a figure (0-9). You should call it with c=1,
* wait a little them call it again with c=0
* @param figure is the figure [0-9]
* @param x,y coordinates,
* @param c is 1 or 0 to draw or clear it
*/
uint8_t Font::Draw(unsigned char letter, int x, int y, uint8_t c) {
uint8_t maxx=0, data;
const uint8_t* character;
if (letter==' ') return 3+2;
if (letter<fontMin || letter>fontMax) {
return 0;
}
character = (const uint8_t *)pgm_read_word_near(&font[letter-fontMin]);
data = pgm_read_byte_near(character++);
while (data != 255) {
uint8_t charCol = data >> 4, charRow = data & 15;
if (charCol>maxx) maxx=charCol;
if (
charCol + x <DISPLAY_COLS &&
charCol + x >=0 &&
charRow + y <DISPLAY_ROWS &&
charRow + y >=0
) {
LedSign::Set(charCol + x, charRow+y, c);
}
data = pgm_read_byte_near(character++);
}
return maxx+2;
}
/* ----------------------------------------------------------------- */
/** Draw a figure in the other direction (rotated 90°)
* @param figure is the figure [0-9]
* @param x,y coordinates,
* @param c is 1 or 0 to draw or clear it
*/
uint8_t Font::Draw90(unsigned char letter, int x, int y, uint8_t c) {
uint8_t maxx=0, data;
const uint8_t* character;
if (letter==' ') return 3+2;
if (letter<fontMin || letter>fontMax) {
return 0;
}
character = (const uint8_t *)pgm_read_word_near(&font[letter-fontMin]);
data = pgm_read_byte_near(character++);
while (data != 255) {
uint8_t charCol = data >> 4, charRow = data & 15;
if (charCol>maxx) maxx=charCol;
if (
7 - charRow + x <DISPLAY_COLS &&
7 - charRow + x >=0 &&
charCol + y <DISPLAY_ROWS &&
charCol + y >=0
) {
LedSign::Set(7 - charRow + x, charCol + y, c);
}
data = pgm_read_byte_near(character++);
}
return maxx+2;
}
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