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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/>.
*
*/
#include "../../inc/MarlinConfig.h"
#if HAS_GRAPHICAL_TFT
#include "tft_string.h"
#include "../fontutils.h"
//#define DEBUG_TFT_FONT
#define DEBUG_OUT ENABLED(DEBUG_TFT_FONT)
#include "../../core/debug_out.h"
glyph_t *TFT_String::glyphs[256];
font_t *TFT_String::font_header;
uint8_t TFT_String::data[];
uint16_t TFT_String::span;
uint8_t TFT_String::length;
void TFT_String::set_font(const uint8_t *font) {
font_header = (font_t *)font;
uint32_t glyph;
for (glyph = 0; glyph < 256; glyph++) glyphs[glyph] = nullptr;
DEBUG_ECHOLNPAIR("Format: ", font_header->Format);
DEBUG_ECHOLNPAIR("BBXWidth: ", font_header->BBXWidth);
DEBUG_ECHOLNPAIR("BBXHeight: ", font_header->BBXHeight);
DEBUG_ECHOLNPAIR("BBXOffsetX: ", font_header->BBXOffsetX);
DEBUG_ECHOLNPAIR("BBXOffsetY: ", font_header->BBXOffsetY);
DEBUG_ECHOLNPAIR("CapitalAHeight: ", font_header->CapitalAHeight);
DEBUG_ECHOLNPAIR("Encoding65Pos: ", font_header->Encoding65Pos);
DEBUG_ECHOLNPAIR("Encoding97Pos: ", font_header->Encoding97Pos);
DEBUG_ECHOLNPAIR("FontStartEncoding: ", font_header->FontStartEncoding);
DEBUG_ECHOLNPAIR("FontEndEncoding: ", font_header->FontEndEncoding);
DEBUG_ECHOLNPAIR("LowerGDescent: ", font_header->LowerGDescent);
DEBUG_ECHOLNPAIR("FontAscent: ", font_header->FontAscent);
DEBUG_ECHOLNPAIR("FontDescent: ", font_header->FontDescent);
DEBUG_ECHOLNPAIR("FontXAscent: ", font_header->FontXAscent);
DEBUG_ECHOLNPAIR("FontXDescent: ", font_header->FontXDescent);
add_glyphs(font);
}
void TFT_String::add_glyphs(const uint8_t *font) {
uint32_t glyph;
uint8_t *pointer = (uint8_t *)font + sizeof(font_t);
for (glyph = ((font_t *)font)->FontStartEncoding; glyph <= ((font_t *)font)->FontEndEncoding; glyph++) {
if (*pointer != NO_GLYPH) {
glyphs[glyph] = (glyph_t *)pointer;
pointer += sizeof(glyph_t) + ((glyph_t *)pointer)->DataSize;
}
else
pointer++;
}
}
void TFT_String::set() {
*data = 0x00;
span = 0;
length = 0;
}
uint8_t read_byte(uint8_t *byte) { return *byte; }
/**
* Add a string, applying substitutions for the following characters:
*
* = displays '0'....'10' for indexes 0 - 10
* ~ displays '1'....'11' for indexes 0 - 10
* * displays 'E1'...'E11' for indexes 0 - 10 (By default. Uses LCD_FIRST_TOOL)
*/
void TFT_String::add(uint8_t *string, int8_t index, uint8_t *itemString) {
wchar_t wchar;
while (*string) {
string = get_utf8_value_cb(string, read_byte, &wchar);
if (wchar > 255) wchar |= 0x0080;
uint8_t ch = uint8_t(wchar & 0x00FF);
if (ch == '=' || ch == '~' || ch == '*') {
if (index >= 0) {
int8_t inum = index + ((ch == '=') ? 0 : LCD_FIRST_TOOL);
if (ch == '*') add_character('E');
if (inum >= 10) { add_character('0' + (inum / 10)); inum %= 10; }
add_character('0' + inum);
}
else {
add(index == -2 ? GET_TEXT(MSG_CHAMBER) : GET_TEXT(MSG_BED));
}
continue;
}
else if (ch == '$' && itemString) {
add(itemString);
continue;
}
add_character(ch);
}
eol();
}
void TFT_String::add(uint8_t *string, uint8_t max_len) {
wchar_t wchar;
while (*string && max_len) {
string = get_utf8_value_cb(string, read_byte, &wchar);
if (wchar > 255) wchar |= 0x0080;
uint8_t ch = uint8_t(wchar & 0x00FF);
add_character(ch);
max_len--;
}
eol();
}
void TFT_String::add_character(uint8_t character) {
if (length < MAX_STRING_LENGTH) {
data[length] = character;
length++;
span += glyph(character)->DWidth;
}
}
void TFT_String::rtrim(uint8_t character) {
while (length) {
if (data[length - 1] == 0x20 || data[length - 1] == character) {
length--;
span -= glyph(data[length])->DWidth;
eol();
}
else {
break;
}
}
}
void TFT_String::ltrim(uint8_t character) {
uint16_t i, j;
for (i = 0; (i < length) && (data[i] == 0x20 || data[i] == character); i++) {
span -= glyph(data[i])->DWidth;
}
if (i == 0) return;
for (j = 0; i < length; data[j++] = data[i++]);
length = j;
eol();
}
void TFT_String::trim(uint8_t character) {
rtrim(character);
ltrim(character);
}
TFT_String tft_string;
#endif // HAS_GRAPHICAL_TFT
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