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107 lines
3.7 KiB
107 lines
3.7 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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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 General Public License as published by
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* 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#include <stdint.h>
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extern const uint8_t ISO10646_1_5x7[];
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extern const uint8_t font10x20[];
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extern const uint8_t Helvetica12Bold[];
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extern const uint8_t Helvetica14[], Helvetica14_symbols[];
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extern const uint8_t Helvetica18[], Helvetica18_symbols[];
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#define NO_GLYPH 0xFF
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typedef struct __attribute__((__packed__)) {
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uint8_t Format;
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uint8_t BBXWidth;
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uint8_t BBXHeight;
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int8_t BBXOffsetX;
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int8_t BBXOffsetY;
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uint8_t CapitalAHeight;
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uint16_t Encoding65Pos;
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uint16_t Encoding97Pos;
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uint8_t FontStartEncoding;
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uint8_t FontEndEncoding;
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int8_t LowerGDescent;
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int8_t FontAscent;
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int8_t FontDescent;
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int8_t FontXAscent;
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int8_t FontXDescent;
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} font_t;
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typedef struct __attribute__((__packed__)) {
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uint8_t BBXWidth;
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uint8_t BBXHeight;
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uint8_t DataSize;
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int8_t DWidth;
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int8_t BBXOffsetX;
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int8_t BBXOffsetY;
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} glyph_t;
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#define MAX_STRING_LENGTH 64
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class TFT_String {
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private:
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static glyph_t *glyphs[256];
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static font_t *font_header;
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static uint8_t data[MAX_STRING_LENGTH + 1];
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static uint16_t span; // in pixels
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static uint8_t length; // in characters
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static void add_character(uint8_t character);
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static void eol() { data[length] = 0x00; }
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public:
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static void set_font(const uint8_t *font);
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static void add_glyphs(const uint8_t *font);
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static font_t *font() { return font_header; };
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static uint16_t font_height() { return font_header->FontAscent - font_header->FontDescent; }
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static glyph_t *glyph(uint8_t character) { return glyphs[character] ?: glyphs[0x3F]; } /* Use '?' for unknown glyphs */
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static glyph_t *glyph(uint8_t *character) { return glyph(*character); }
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static void set();
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static void add(uint8_t character) { add_character(character); eol(); }
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static void add(uint8_t *string, uint8_t max_len=MAX_STRING_LENGTH);
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static void add(uint8_t *string, int8_t index, uint8_t *itemString=nullptr);
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static void set(uint8_t *string) { set(); add(string); };
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static void set(uint8_t *string, int8_t index, const char *itemString=nullptr) { set(); add(string, index, (uint8_t *)itemString); };
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static void set(const char *string) { set((uint8_t *)string); }
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static void set(const char *string, int8_t index, const char *itemString=nullptr) { set((uint8_t *)string, index, itemString); }
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static void add(const char *string) { add((uint8_t *)string); }
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static void trim(uint8_t character=0x20);
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static void rtrim(uint8_t character=0x20);
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static void ltrim(uint8_t character=0x20);
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static void truncate(uint8_t maxlen) { if (length > maxlen) { length = maxlen; eol(); } }
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static uint16_t width() { return span; }
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static uint8_t *string() { return data; }
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static uint16_t center(uint16_t width) { return span > width ? 0 : (width - span) / 2; }
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};
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extern TFT_String tft_string;
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