e38c2b32c8
* replace strlen with strnlen * avoid static variable in getFontInfo * remove legacy code in drawCharacter (new code works well) it works for me, let's ship it ;-)
88 lines
2.8 KiB
C++
88 lines
2.8 KiB
C++
#pragma once
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#ifndef WLED_FONTS_H
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#define WLED_FONTS_H
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#include <stdlib.h> // needed to get uint16_t definition
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#include <stdint.h> // helps for code analysis with clang
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// always disable unicode for 8266 builds - not enough program space
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#if !defined(ARDUINO_ARCH_ESP32) && defined(WLED_ENABLE_FULL_FONTS)
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#undef WLED_ENABLE_FULL_FONTS
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#endif
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// pull in all fonts
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#include "src/font/console_font_4x6.h"
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#include "src/font/console_font_5x8.h"
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#include "src/font/console_font_5x12.h"
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#include "src/font/console_font_6x8.h"
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#include "src/font/console_font_7x9.h"
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// fontInfo struct returned by getFontInfo
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typedef struct {
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unsigned firstChar; // first supported glyph (32 for standard "reduced" fonts)
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unsigned lastChar; // last supported glyph (126 for standard "reduced" fonts)
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unsigned width_bytes; // single letter width in bytes (default:1)
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// unsigned height_bytes; // future support
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bool isProgMem; // raw data points into ProgMem => 8266 needs pgm_read_byte_near()
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const unsigned char* raw; // array of bytes with raw pixeldata (typicially lives in PROGMEM)
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// note: we only support monospaced fonts
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} FontInfo_t;
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// logic for font selection based on width and height
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inline FontInfo_t getFontInfo(unsigned width, unsigned height) {
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FontInfo_t font = {0}; // will be returned by value
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unsigned pixels = width * height;
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switch (pixels) {
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// WLED standard fonts (PROGMEM)
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case 24: // 4x6 font
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font.raw = console_font_4x6;
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font.isProgMem = true;
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font.firstChar = console_font_4x6_first;
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font.lastChar = console_font_4x6_last;
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font.width_bytes= 1;
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break;
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case 40: // 5x8 font
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font.raw = console_font_5x8;
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font.isProgMem = true;
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font.firstChar = console_font_5x8_first;
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font.lastChar = console_font_5x8_last;
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font.width_bytes= 1;
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break;
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case 48: // 6x8 font
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font.raw = console_font_6x8;
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font.isProgMem = true;
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font.firstChar = console_font_6x8_first;
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font.lastChar = console_font_6x8_last;
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font.width_bytes= 1;
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break;
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case 63: // 7x9 font
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font.raw = console_font_7x9;
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font.isProgMem = true;
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font.firstChar = console_font_7x9_first;
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font.lastChar = console_font_7x9_last;
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font.width_bytes= 1;
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break;
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case 60: // 5x12 font
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font.raw = console_font_5x12;
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font.isProgMem = true;
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font.firstChar = console_font_5x12_first;
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font.lastChar = console_font_5x12_last;
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font.width_bytes= 1;
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break;
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// you can add any custom fonts here
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default: // no font
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font.raw = nullptr;
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font.isProgMem = false;
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font.firstChar = 1;
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font.lastChar = 1;
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font.width_bytes= 1;
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}
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return font;
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}
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#endif
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