/elec/propeller-clock : revision 49

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/*

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* text_renderer.cc

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*

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*

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* This file is part of propeller-clock (hereafter referred to as "this

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* program"). See http://ed.am/dev/software/arduino/propeller-clock for more

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* information.

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*

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* This program is free software: you can redistribute it and/or modify

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* it under the terms of the GNU Lesser General Public License as published

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* by the Free Software Foundation, either version 3 of the License, or

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* (at your option) any later version.

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*

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* This program is distributed in the hope that it will be useful,

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* but WITHOUT ANY WARRANTY; without even the implied warranty of

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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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* GNU Lesser General Public License for more details.

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*

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* You should have received a copy of the GNU Lesser General Public License

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* along with this program. If not, see <http://www.gnu.org/licenses/>.

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*/

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#include "text_renderer.h"

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#include "config.h"

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#include "Arduino.h"

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#include <avr/pgmspace.h>

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#include "common.h"

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// cached glyph

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static char _glyph_cache[ 8 ];

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// the character the current cached glyph is for

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static char _glyph_cache_char;

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// selected font

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static int _font = 0;

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// output buffer

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static unsigned char _output_buffer;

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// does buffer need rendering?

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static bool _need_render;

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// cache a glyph

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void cache_glyph( char c )

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{

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static char fonts[][ 66 * 8 ] PROGMEM = {

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{ // INVD-A

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0x00, 0x7c, 0x7e, 0x12, 0x12, 0x12, 0x7e, 0x7c, // A

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0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // B

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0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x66, 0x24, // C

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0x00, 0x7e, 0x7e, 0x42, 0x42, 0x66, 0x3c, 0x18, // D

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0x00, 0x7e, 0x7e, 0x4a, 0x4a, 0x4a, 0x42, 0x00, // E

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0x00, 0x7e, 0x7e, 0x0a, 0x0a, 0x0a, 0x02, 0x00, // F

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0x00, 0x3c, 0x7e, 0x42, 0x52, 0x52, 0x76, 0x34, // G

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0x00, 0x7e, 0x7e, 0x08, 0x08, 0x08, 0x7e, 0x7e, // H

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0x00, 0x42, 0x42, 0x7e, 0x7e, 0x42, 0x42, 0x00, // I

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0x00, 0x30, 0x70, 0x40, 0x40, 0x40, 0x7e, 0x3e, // J

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0x00, 0x7e, 0x7e, 0x08, 0x1c, 0x36, 0x62, 0x40, // K

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0x00, 0x7e, 0x7e, 0x40, 0x40, 0x40, 0x40, 0x00, // L

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0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x0c, 0x7e, 0x7e, // M

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0x00, 0x7e, 0x7e, 0x0c, 0x18, 0x30, 0x7e, 0x7e, // N

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0x00, 0x3c, 0x7e, 0x42, 0x42, 0x42, 0x7e, 0x3c, // O

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0x00, 0x7e, 0x7e, 0x12, 0x12, 0x12, 0x1e, 0x0c, // P

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0x00, 0x3c, 0x7e, 0x52, 0x52, 0x62, 0x7e, 0x3c, // Q

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0x00, 0x7e, 0x7e, 0x12, 0x12, 0x32, 0x7e, 0x4c, // R

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0x00, 0x24, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // S

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0x00, 0x02, 0x02, 0x7e, 0x7e, 0x02, 0x02, 0x00, // T

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0x00, 0x3e, 0x7e, 0x40, 0x40, 0x40, 0x7e, 0x3e, // U

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0x00, 0x1e, 0x3e, 0x60, 0x40, 0x60, 0x3e, 0x1e, // V

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0x00, 0x3e, 0x7e, 0x60, 0x30, 0x60, 0x7e, 0x3e, // W

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0x00, 0x42, 0x66, 0x3c, 0x18, 0x3c, 0x66, 0x42, // X

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0x02, 0x06, 0x0c, 0x78, 0x78, 0x0c, 0x06, 0x02, // Y

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0x00, 0x42, 0x62, 0x72, 0x5a, 0x4e, 0x46, 0x42, // Z

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0x00, 0x20, 0x74, 0x54, 0x54, 0x7c, 0x78, 0x00, // a

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0x00, 0x00, 0x7e, 0x7e, 0x48, 0x48, 0x78, 0x30, // b

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0x00, 0x00, 0x38, 0x7c, 0x44, 0x44, 0x00, 0x00, // c

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0x00, 0x30, 0x78, 0x48, 0x48, 0x7e, 0x7e, 0x00, // d

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0x00, 0x38, 0x7c, 0x54, 0x54, 0x5c, 0x08, 0x00, // e

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0x00, 0x00, 0x7c, 0x7e, 0x0a, 0x02, 0x00, 0x00, // f

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0x00, 0x18, 0xbc, 0xa4, 0xa4, 0xfc, 0x7c, 0x00, // g

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0x00, 0x7e, 0x7e, 0x08, 0x08, 0x78, 0x70, 0x00, // h

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0x00, 0x00, 0x48, 0x7a, 0x7a, 0x40, 0x00, 0x00, // i

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0x00, 0x00, 0x40, 0xc0, 0x80, 0xfa, 0x7a, 0x00, // j

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0x00, 0x00, 0x7e, 0x7e, 0x10, 0x3c, 0x64, 0x40, // k

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0x00, 0x00, 0x00, 0x3e, 0x7e, 0x40, 0x40, 0x00, // l

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0x7c, 0x7c, 0x04, 0x78, 0x7c, 0x04, 0x7c, 0x78, // m

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0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x78, 0x00, // n

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0x00, 0x38, 0x7c, 0x44, 0x44, 0x7c, 0x38, 0x00, // o

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0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x18, 0x00, // p

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0x00, 0x18, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x80, // q

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0x00, 0x00, 0x78, 0x7c, 0x04, 0x04, 0x00, 0x00, // r

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0x00, 0x48, 0x5c, 0x54, 0x54, 0x74, 0x20, 0x00, // s

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0x00, 0x04, 0x3e, 0x7e, 0x44, 0x44, 0x00, 0x00, // t

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0x00, 0x3c, 0x7c, 0x40, 0x40, 0x7c, 0x3c, 0x00, // u

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0x00, 0x0c, 0x3c, 0x70, 0x60, 0x3c, 0x0c, 0x00, // v

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0x3c, 0x7c, 0x40, 0x30, 0x40, 0x7c, 0x3c, 0x00, // w

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0x00, 0x44, 0x6c, 0x38, 0x38, 0x6c, 0x44, 0x00, // x

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0x00, 0x1c, 0xbc, 0xa0, 0xa0, 0xfc, 0x7c, 0x00, // y

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0x00, 0x44, 0x64, 0x74, 0x5c, 0x4c, 0x44, 0x00, // z

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0x00, 0x3c, 0x7e, 0x52, 0x4a, 0x46, 0x7e, 0x3c, // 0

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0x00, 0x00, 0x44, 0x44, 0x7e, 0x7e, 0x40, 0x40, // 1

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0x00, 0x64, 0x76, 0x52, 0x52, 0x52, 0x5e, 0x4c, // 2

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0x00, 0x24, 0x66, 0x42, 0x4a, 0x4a, 0x7e, 0x34, // 3

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0x00, 0x30, 0x28, 0x24, 0x7e, 0x7e, 0x20, 0x20, // 4

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0x00, 0x2e, 0x6e, 0x4a, 0x4a, 0x4a, 0x7a, 0x32, // 5

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0x00, 0x3c, 0x7e, 0x4a, 0x4a, 0x4a, 0x7a, 0x30, // 6

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0x00, 0x02, 0x02, 0x62, 0x72, 0x1a, 0x0e, 0x06, // 7

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0x00, 0x34, 0x7e, 0x4a, 0x4a, 0x4a, 0x7e, 0x34, // 8

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0x00, 0x0c, 0x5e, 0x52, 0x52, 0x52, 0x7e, 0x3c, // 9

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0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -

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0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :

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0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

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0x00, 0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, // ,

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}, { // INVD-D

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0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x7f, // A

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0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x77, // B

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0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x77, 0x77, // C

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0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x3e, // D

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0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x63, 0x63, // E

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0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x03, 0x03, // F

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0x00, 0x7f, 0x7f, 0x41, 0x49, 0x49, 0x7b, 0x7b, // G

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0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x7f, // H

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0x00, 0x41, 0x41, 0x7f, 0x7f, 0x41, 0x41, 0x00, // I

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0x00, 0x60, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x7f, // J

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0x00, 0x7f, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // K

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0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x60, 0x60, // L

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0x00, 0x7f, 0x7f, 0x02, 0x04, 0x02, 0x7f, 0x7f, // M

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0x00, 0x7f, 0x7f, 0x06, 0x0c, 0x18, 0x7f, 0x7f, // N

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0x00, 0x7f, 0x7f, 0x41, 0x41, 0x41, 0x7f, 0x7f, // O

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0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x0f, 0x0f, // P

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0x00, 0x7f, 0x7f, 0x41, 0x51, 0x21, 0x7f, 0x7f, // Q

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0x00, 0x7f, 0x7f, 0x09, 0x09, 0x09, 0x7f, 0x77, // R

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0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // S

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0x00, 0x01, 0x01, 0x7f, 0x7f, 0x01, 0x01, 0x00, // T

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0x00, 0x7f, 0x7f, 0x40, 0x40, 0x40, 0x7f, 0x7f, // U

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0x00, 0x1f, 0x3f, 0x60, 0x40, 0x60, 0x3f, 0x1f, // V

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0x00, 0x7f, 0x7f, 0x20, 0x10, 0x20, 0x7f, 0x7f, // W

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0x00, 0x77, 0x7f, 0x08, 0x08, 0x08, 0x7f, 0x77, // X

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0x00, 0x6f, 0x6f, 0x48, 0x48, 0x48, 0x7f, 0x7f, // Y

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0x00, 0x63, 0x73, 0x59, 0x4d, 0x47, 0x63, 0x61, // Z

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0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x7c, 0x00, // a

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0x00, 0x7f, 0x7f, 0x44, 0x44, 0x7c, 0x7c, 0x00, // b

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0x00, 0x7c, 0x7c, 0x44, 0x44, 0x6c, 0x6c, 0x00, // c

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0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7f, 0x7f, 0x00, // d

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0x00, 0x7c, 0x7c, 0x54, 0x54, 0x5c, 0x5c, 0x00, // e

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0x00, 0x00, 0x04, 0x7f, 0x7f, 0x05, 0x05, 0x01, // f

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0x00, 0xbc, 0xbc, 0xa4, 0xa4, 0xfc, 0xfc, 0x00, // g

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0x00, 0x7f, 0x7f, 0x04, 0x04, 0x7c, 0x7c, 0x00, // h

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0x00, 0x44, 0x44, 0x7d, 0x7d, 0x40, 0x40, 0x00, // i

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0x00, 0x80, 0x80, 0xfd, 0xfd, 0x00, 0x00, 0x00, // j

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0x00, 0x7f, 0x7f, 0x10, 0x10, 0x7c, 0x6c, 0x00, // k

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0x00, 0x00, 0x00, 0x7f, 0x7f, 0x40, 0x40, 0x00, // l

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0x00, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x7c, // m

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0x00, 0x7c, 0x7c, 0x04, 0x04, 0x7c, 0x7c, 0x00, // n

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0x00, 0x7c, 0x7c, 0x44, 0x44, 0x7c, 0x7c, 0x00, // o

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0x00, 0xfc, 0xfc, 0x24, 0x24, 0x3c, 0x3c, 0x00, // p

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0x00, 0x3c, 0x3c, 0x24, 0x24, 0xfc, 0xfc, 0x00, // q

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0x00, 0x7c, 0x7c, 0x04, 0x04, 0x0c, 0x0c, 0x00, // r

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0x00, 0x5c, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, // s

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0x00, 0x00, 0x04, 0x7f, 0x7f, 0x44, 0x44, 0x00, // t

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0x00, 0x7c, 0x7c, 0x40, 0x40, 0x7c, 0x7c, 0x00, // u

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0x00, 0x1c, 0x3c, 0x60, 0x60, 0x3c, 0x1c, 0x00, // v

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0x00, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x7c, // w

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0x00, 0x6c, 0x7c, 0x10, 0x10, 0x7c, 0x6c, 0x00, // x

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0x00, 0xbc, 0xbc, 0xa0, 0xa0, 0xfc, 0xfc, 0x00, // y

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0x00, 0x64, 0x74, 0x54, 0x54, 0x5c, 0x4c, 0x00, // z

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0x00, 0x7f, 0x7f, 0x51, 0x49, 0x45, 0x7f, 0x7f, // 0

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0x00, 0x41, 0x41, 0x7f, 0x7f, 0x40, 0x40, 0x00, // 1

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0x00, 0x7b, 0x7b, 0x49, 0x49, 0x49, 0x4f, 0x4f, // 2

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0x00, 0x63, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 3

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0x00, 0x1f, 0x1f, 0x10, 0x10, 0x7f, 0x7f, 0x10, // 4

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0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, // 5

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0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7b, 0x7b, // 6

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0x00, 0x03, 0x03, 0x71, 0x79, 0x0d, 0x07, 0x03, // 7

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0x00, 0x7f, 0x7f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 8

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0x00, 0x6f, 0x6f, 0x49, 0x49, 0x49, 0x7f, 0x7f, // 9

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0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x10, 0x00, // -

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0x00, 0x00, 0x00, 0x66, 0x66, 0x00, 0x00, 0x00, // :

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0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

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0x00, 0x00, 0x80, 0xe0, 0x60, 0x00, 0x00, 0x00, // ,

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}, { // INVD-G

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0x7c, 0x7e, 0x22, 0x7e, 0x7e, 0x7e, 0x7c, 0x00, // A

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0x7c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7e, 0x34, 0x00, // B

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0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x76, 0x34, 0x00, // C

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0x7c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // D

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0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x4a, 0x00, 0x00, // E

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0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x12, 0x00, 0x00, // F

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0x3c, 0x7e, 0x7e, 0x7e, 0x52, 0x76, 0x34, 0x00, // G

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0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x7e, 0x7e, 0x00, // H

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0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x42, 0x00, // I

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0x30, 0x70, 0x42, 0x7e, 0x7e, 0x7e, 0x3e, 0x00, // J

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0x7e, 0x7e, 0x7e, 0x7e, 0x08, 0x76, 0x62, 0x00, // K

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0x00, 0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x40, 0x00, // L

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0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7c, 0x7e, 0x00, // M

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0x7e, 0x7e, 0x7e, 0x7c, 0x08, 0x7e, 0x7e, 0x00, // N

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0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0x7e, 0x3c, 0x00, // O

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0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x1e, 0x0c, 0x00, // P

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0x3c, 0x7e, 0x7e, 0x7e, 0x42, 0xfe, 0xbc, 0x00, // Q

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0x7c, 0x7e, 0x7e, 0x7e, 0x12, 0x7e, 0x6c, 0x00, // R

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0x24, 0x6e, 0x5e, 0x7e, 0x7a, 0x76, 0x24, 0x00, // S

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0x00, 0x02, 0x7e, 0x7e, 0x7e, 0x7e, 0x02, 0x00, // T

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0x3e, 0x7e, 0x7e, 0x7e, 0x40, 0x7e, 0x3e, 0x00, // U

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0x1e, 0x3e, 0x7e, 0x7e, 0x40, 0x3e, 0x1e, 0x00, // V

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0x3e, 0x7e, 0x7e, 0x7e, 0x20, 0x7e, 0x3e, 0x00, // W

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0x42, 0x66, 0x3e, 0x7e, 0x7c, 0x66, 0x42, 0x00, // X

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0x06, 0x0e, 0x7e, 0x7e, 0x70, 0x0e, 0x06, 0x00, // Y

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0x62, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x46, 0x00, // Z

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0x38, 0x7c, 0x44, 0x3c, 0x7c, 0x7c, 0x78, 0x00, // a

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0x3f, 0x7f, 0x7f, 0x7f, 0x44, 0x7c, 0x38, 0x00, // b

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0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x6c, 0x28, 0x00, // c

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0x38, 0x7c, 0x44, 0x3f, 0x7f, 0x7f, 0x7f, 0x00, // d

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0x38, 0x7c, 0x7c, 0x7c, 0x54, 0x5c, 0x28, 0x00, // e

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0x88, 0xfe, 0xff, 0xff, 0x7f, 0x09, 0x0a, 0x00, // f

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0x58, 0xbc, 0xa4, 0xfc, 0xfc, 0xfc, 0x78, 0x00, // g

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0x7f, 0x7f, 0x7f, 0x7f, 0x04, 0x7c, 0x78, 0x00, // h

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0x00, 0x00, 0x7a, 0x7f, 0x7f, 0x7a, 0x00, 0x00, // i

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0x00, 0x80, 0xfa, 0xff, 0xff, 0x7a, 0x00, 0x00, // j

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0x7f, 0x7f, 0x7f, 0x7f, 0x24, 0x7c, 0x58, 0x00, // k

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0x00, 0x00, 0x3f, 0x7f, 0x7f, 0x7f, 0x40, 0x00, // l

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0x78, 0x7c, 0x7c, 0x04, 0x7c, 0x04, 0x7c, 0x78, // m

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0x7c, 0x7c, 0x7c, 0x78, 0x04, 0x7c, 0x78, 0x00, // n

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0x38, 0x7c, 0x7c, 0x7c, 0x44, 0x7c, 0x38, 0x00, // o

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0xfc, 0xfc, 0xfc, 0xf8, 0x44, 0x7c, 0x38, 0x00, // p

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0x38, 0x7c, 0x44, 0xfc, 0xfc, 0xfc, 0xf8, 0x00, // q

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0x7c, 0x7c, 0x7c, 0x7c, 0x04, 0x0c, 0x08, 0x00, // r

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0x28, 0x5c, 0x5c, 0x7c, 0x74, 0x74, 0x28, 0x00, // s

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0x04, 0x3e, 0x7e, 0x7e, 0x7e, 0x44, 0x24, 0x00, // t

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0x3c, 0x7c, 0x40, 0x3c, 0x7c, 0x7c, 0x7c, 0x00, // u

232

0x1c, 0x3c, 0x7c, 0x7c, 0x60, 0x3c, 0x1c, 0x00, // v

233

0x3c, 0x7c, 0x7c, 0x40, 0x7c, 0x40, 0x7c, 0x3c, // w

234

0x44, 0x6c, 0x3c, 0x7c, 0x78, 0x6c, 0x44, 0x00, // x

235

0x9c, 0xbc, 0xfc, 0xfc, 0x60, 0x3c, 0x1c, 0x00, // y

236

0x64, 0x74, 0x3c, 0x7c, 0x5c, 0x4c, 0x24, 0x00, // z

237

0x3c, 0x7e, 0x42, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 0

238

0x00, 0x42, 0x7e, 0x7e, 0x7e, 0x7e, 0x40, 0x00, // 1

239

0x64, 0x72, 0x7a, 0x7e, 0x5e, 0x4e, 0x44, 0x00, // 2

240

0x24, 0x66, 0x4a, 0x7e, 0x7e, 0x7e, 0x34, 0x00, // 3

241

0x0e, 0x1e, 0x10, 0x7e, 0x7e, 0x7e, 0x7e, 0x00, // 4

242

0x2e, 0x6e, 0x4e, 0x7a, 0x7a, 0x7a, 0x32, 0x00, // 5

243

0x3c, 0x7e, 0x7e, 0x7e, 0x4a, 0x7a, 0x34, 0x00, // 6

244

0x02, 0x62, 0x7a, 0x7e, 0x7e, 0x1e, 0x06, 0x00, // 7

245

0x34, 0x7e, 0x4e, 0x7e, 0x7a, 0x7e, 0x34, 0x00, // 8

246

0x2c, 0x5e, 0x52, 0x7e, 0x7e, 0x7e, 0x3c, 0x00, // 9

247

0x00, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00, // -

248

0x00, 0x00, 0x28, 0x7c, 0x7c, 0x28, 0x00, 0x00, // :

249

0x00, 0x00, 0x30, 0x78, 0x78, 0x30, 0x00, 0x00, // .

250

0x00, 0x00, 0x10, 0xb8, 0xf8, 0x70, 0x00, 0x00, // ,

251

}, { // INVD-B

252

0x00, 0x78, 0x7f, 0x09, 0x09, 0x0f, 0x78, 0x00, // A

253

0x00, 0x7f, 0x79, 0x49, 0x49, 0x4f, 0x78, 0x00, // B

254

0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x63, 0x00, // C

255

0x00, 0x7f, 0x79, 0x41, 0x41, 0x41, 0x7f, 0x00, // D

256

0x00, 0x00, 0x7f, 0x79, 0x49, 0x49, 0x41, 0x00, // E

257

0x00, 0x00, 0x7f, 0x79, 0x09, 0x09, 0x01, 0x00, // F

258

0x00, 0x7f, 0x79, 0x41, 0x41, 0x49, 0x7b, 0x00, // G

259

0x00, 0x7f, 0x78, 0x08, 0x08, 0x08, 0x7f, 0x00, // H

260

0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // I

261

0x00, 0x60, 0x40, 0x40, 0x40, 0x7f, 0x78, 0x00, // J

262

0x00, 0x7f, 0x78, 0x08, 0x08, 0x0f, 0x78, 0x00, // K

263

0x00, 0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x00, // L

264

0x00, 0x7f, 0x79, 0x01, 0x7f, 0x01, 0x7f, 0x00, // M

265

0x00, 0x7f, 0x79, 0x01, 0x01, 0x01, 0x7f, 0x00, // N

266

0x00, 0x7f, 0x41, 0x41, 0x41, 0x43, 0x7f, 0x00, // O

267

0x00, 0x7f, 0x79, 0x09, 0x09, 0x09, 0x0f, 0x00, // P

268

0x00, 0x7f, 0x41, 0x41, 0x61, 0x61, 0x7f, 0x00, // Q

269

0x00, 0x7f, 0x79, 0x09, 0x09, 0x0f, 0x78, 0x00, // R

270

0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // S

271

0x00, 0x01, 0x01, 0x7f, 0x79, 0x01, 0x01, 0x00, // T

272

0x00, 0x7f, 0x78, 0x40, 0x40, 0x40, 0x7f, 0x00, // U

273

0x00, 0x0f, 0x7f, 0x40, 0x40, 0x78, 0x0f, 0x00, // V

274

0x00, 0x7f, 0x78, 0x40, 0x7f, 0x40, 0x7f, 0x00, // W

275

0x00, 0x77, 0x78, 0x08, 0x08, 0x08, 0x77, 0x00, // X

276

0x00, 0x0f, 0x08, 0x78, 0x78, 0x08, 0x0f, 0x00, // Y

277

0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x6f, 0x00, // Z

278

0x00, 0x74, 0x74, 0x54, 0x54, 0x7c, 0x00, 0x00, // a

279

0x00, 0x7f, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // b

280

0x00, 0x7c, 0x74, 0x44, 0x44, 0x6c, 0x00, 0x00, // c

281

0x00, 0x7c, 0x74, 0x44, 0x44, 0x7f, 0x00, 0x00, // d

282

0x00, 0x7c, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // e

283

0x00, 0x00, 0x04, 0x7f, 0x75, 0x01, 0x00, 0x00, // f

284

0x00, 0xbc, 0xb4, 0xa4, 0xa4, 0xfc, 0x00, 0x00, // g

285

0x00, 0x7f, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // h

286

0x00, 0x00, 0x00, 0x7d, 0x71, 0x00, 0x00, 0x00, // i

287

0x00, 0x00, 0x80, 0xbd, 0xf1, 0x00, 0x00, 0x00, // j

288

0x00, 0x7f, 0x70, 0x10, 0x1c, 0x70, 0x00, 0x00, // k

289

0x00, 0x00, 0x00, 0x7f, 0x78, 0x00, 0x00, 0x00, // l

290

0x00, 0x7c, 0x74, 0x04, 0x7c, 0x04, 0x7c, 0x00, // m

291

0x00, 0x7c, 0x74, 0x04, 0x04, 0x7c, 0x00, 0x00, // n

292

0x00, 0x7c, 0x74, 0x44, 0x44, 0x7c, 0x00, 0x00, // o

293

0x00, 0xfc, 0x34, 0x24, 0x24, 0x3c, 0x00, 0x00, // p

294

0x00, 0x3c, 0x34, 0x24, 0x24, 0xfc, 0x00, 0x00, // q

295

0x00, 0x00, 0x7c, 0x74, 0x04, 0x04, 0x00, 0x00, // r

296

0x00, 0x5c, 0x54, 0x54, 0x74, 0x74, 0x00, 0x00, // s

297

0x00, 0x00, 0x04, 0x7f, 0x74, 0x00, 0x00, 0x00, // t

298

0x00, 0x7c, 0x70, 0x40, 0x40, 0x7c, 0x00, 0x00, // u

299

0x00, 0x1c, 0x7c, 0x40, 0x70, 0x1c, 0x00, 0x00, // v

300

0x00, 0x7c, 0x70, 0x40, 0x7c, 0x40, 0x7c, 0x00, // w

301

0x00, 0x6c, 0x70, 0x10, 0x10, 0x6c, 0x00, 0x00, // x

302

0x00, 0xbc, 0xb0, 0xa0, 0xa0, 0xfc, 0x00, 0x00, // y

303

0x00, 0x74, 0x74, 0x54, 0x54, 0x5c, 0x00, 0x00, // z

304

0x00, 0x7f, 0x41, 0x41, 0x41, 0x79, 0x7f, 0x00, // 0

305

0x00, 0x00, 0x00, 0x78, 0x7f, 0x00, 0x00, 0x00, // 1

306

0x00, 0x7b, 0x79, 0x49, 0x49, 0x49, 0x4f, 0x00, // 2

307

0x00, 0x63, 0x49, 0x49, 0x49, 0x7f, 0x78, 0x00, // 3

308

0x00, 0x1f, 0x11, 0x11, 0x71, 0x7f, 0x10, 0x00, // 4

309

0x00, 0x6f, 0x49, 0x49, 0x49, 0x79, 0x79, 0x00, // 5

310

0x00, 0x7f, 0x49, 0x49, 0x49, 0x79, 0x7b, 0x00, // 6

311

0x00, 0x01, 0x01, 0x01, 0x79, 0x7f, 0x00, 0x00, // 7

312

0x00, 0x78, 0x4f, 0x49, 0x49, 0x7f, 0x78, 0x00, // 8

313

0x00, 0x1f, 0x11, 0x11, 0x11, 0x71, 0x7f, 0x00, // 9

314

0x00, 0x00, 0x10, 0x10, 0x10, 0x10, 0x00, 0x00, // -

315

0x00, 0x00, 0x00, 0x6c, 0x6c, 0x00, 0x00, 0x00, // :

316

0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, // .

317

0x00, 0x00, 0x00, 0x60, 0xe0, 0x00, 0x00, 0x00, // ,

318

}

319

};

320

321

// nothing to do?

322

if( c == _glyph_cache_char )

323

return;

324

_glyph_cache_char = c;

325

326

// find glyph data position

327

int pos;

328

if( c >= 'A' && c <= 'Z' )

329

pos = c - 'A';

330

else if( c >= 'a' && c <= 'z' )

331

pos = c - 'a' + 26;

332

else if( c >= '0' && c <= '9' )

333

pos = c - '0' + 52;

334

else if( c == '-' )

335

pos = 62;

336

else if( c == ':' )

337

pos = 63;

338

else if( c == '.' )

339

pos = 64;

340

else if( c == ',' )

341

pos = 65;

342

else

343

pos = -1;

344

345

// space? or copy glyph from progmem?

346

if( pos == -1 )

347

memset( _glyph_cache, 0, 8 );

348

else

349

memcpy_P( _glyph_cache, &( fonts[ _font ][ pos * 8 ] ), 8 );

350

}

351

352

353

int TextRenderer::get_width( int message_len )

354

{

355

return message_len * 8 * TEXT_SCALE;

356

}

357

358

359

void TextRenderer::render( const char *message, int message_len, int x,

360

bool y_flip, int y_shift )

361

{

362

char glyph_col = 0;

363

364

// handle negative x

365

if( x >= 0 )

366

{

367

// scale font

368

x /= TEXT_SCALE;

369

370

int pos = x / 8;

371

if( pos < message_len )

372

{

373

// ensure correct glyph is cached and pull out column of data

374

cache_glyph( message[ pos ] );

375

glyph_col = _glyph_cache[ x % 8 ];

376

}

377

}

378

379

// draw a column

380

if( y_flip )

381

for( int a = 7; a >= 0; a-- ) {

382

if( glyph_col & 1 )

383

_output_buffer |= 1 << ( a + y_shift );

384

glyph_col >>= 1;

385

}

386

else

387

for( int a = 0; a < 8; a++ ) {

388

if( glyph_col & 1 )

389

_output_buffer |= 1 << ( a + y_shift );

390

glyph_col >>= 1;

391

}

392

}

393

394

395

void TextRenderer::reset_buffer()

396

{

397

_output_buffer = 0;

398

_need_render = false;

399

}

400

401

402

void TextRenderer::buffer_in_use()

403

{

404

_need_render = true;

405

}

406

407

408

void TextRenderer::output_buffer()

409

{

410

if( !_need_render ) return;

411

412

for( int a = 8; a >= 0; a-- ) {

413

led( a, ( _output_buffer & 1 )? true : false );

414

_output_buffer >>= 1;

415

}

416

_output_buffer = 0;

417

}

418

419

420

int TextRenderer::get_font()

421

{

422

return _font;

423

}

424

425

426

void TextRenderer::inc_font()

427

{

428

if( ++_font >= 4 )

429

_font = 0;

430

}