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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * 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 <https://www.gnu.org/licenses/>.
- *
- */
- #pragma once
-
- #include <stdint.h>
-
- extern const uint8_t ISO10646_1_5x7[];
- extern const uint8_t font10x20[];
-
- extern const uint8_t Helvetica12Bold[];
-
- extern const uint8_t Helvetica14[], Helvetica14_symbols[];
- extern const uint8_t Helvetica18[], Helvetica18_symbols[];
-
- #define NO_GLYPH 0xFF
-
- typedef struct __attribute__((__packed__)) {
- uint8_t Format;
- uint8_t BBXWidth;
- uint8_t BBXHeight;
- int8_t BBXOffsetX;
- int8_t BBXOffsetY;
- uint8_t CapitalAHeight;
- uint16_t Encoding65Pos;
- uint16_t Encoding97Pos;
- uint8_t FontStartEncoding;
- uint8_t FontEndEncoding;
- int8_t LowerGDescent;
- int8_t FontAscent;
- int8_t FontDescent;
- int8_t FontXAscent;
- int8_t FontXDescent;
- } font_t;
-
- typedef struct __attribute__((__packed__)) {
- uint8_t BBXWidth;
- uint8_t BBXHeight;
- uint8_t DataSize;
- int8_t DWidth;
- int8_t BBXOffsetX;
- int8_t BBXOffsetY;
- } glyph_t;
-
- #define MAX_STRING_LENGTH 64
-
- class TFT_String {
- private:
- static glyph_t *glyphs[256];
- static font_t *font_header;
-
- static uint8_t data[MAX_STRING_LENGTH + 1];
- static uint16_t span; // in pixels
- static uint8_t length; // in characters
-
- static void add_character(uint8_t character);
- static void eol() { data[length] = 0x00; }
-
- public:
- static void set_font(const uint8_t *font);
- static void add_glyphs(const uint8_t *font);
-
- static font_t *font() { return font_header; };
- static uint16_t font_height() { return font_header->FontAscent - font_header->FontDescent; }
- static glyph_t *glyph(uint8_t character) { return glyphs[character] ?: glyphs[0x3F]; } /* Use '?' for unknown glyphs */
- static glyph_t *glyph(uint8_t *character) { return glyph(*character); }
-
- static void set();
- static void add(uint8_t character) { add_character(character); eol(); }
- static void add(uint8_t *string, uint8_t max_len=MAX_STRING_LENGTH);
- static void add(uint8_t *string, int8_t index, uint8_t *itemString=nullptr);
- static void set(uint8_t *string) { set(); add(string); };
- static void set(uint8_t *string, int8_t index, const char *itemString=nullptr) { set(); add(string, index, (uint8_t *)itemString); };
- static void set(const char *string) { set((uint8_t *)string); }
- static void set(const char *string, int8_t index, const char *itemString=nullptr) { set((uint8_t *)string, index, itemString); }
- static void add(const char *string) { add((uint8_t *)string); }
-
- static void trim(uint8_t character=0x20);
- static void rtrim(uint8_t character=0x20);
- static void ltrim(uint8_t character=0x20);
-
- static void truncate(uint8_t maxlen) { if (length > maxlen) { length = maxlen; eol(); } }
-
- static uint16_t width() { return span; }
- static uint8_t *string() { return data; }
- static uint16_t center(uint16_t width) { return span > width ? 0 : (width - span) / 2; }
- };
-
- extern TFT_String tft_string;
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