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Support for TFT & Touch Screens (#18130)

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This commit is contained in:
Alexander Gavrilenko
2020-07-30 09:43:19 +03:00
committed by GitHub
parent bba157e5bd
commit 117df87d19
176 changed files with 14747 additions and 303 deletions
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104
Marlin/src/lcd/tft/tft_string.h Normal file
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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 uint16_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] == NULL ? glyphs[0x3F] : glyphs[character]; } /* Use '?' for unknown glyphs */
static inline 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) { while (*string) { add_character(*string++); } eol(); }
static void add(uint8_t *string, uint8_t index, uint8_t *itemString = NULL);
static void set(uint8_t *string) { set(); add(string); };
static void set(uint8_t *string, uint8_t index, const char *itemString = NULL) { set(); add(string, index, (uint8_t *)itemString); };
static inline void set(const char *string) { set((uint8_t *)string); }
static inline void set(const char *string, uint8_t index, const char *itemString = NULL) { set((uint8_t *)string, index, itemString); }
static inline 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 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;