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QuestionsI make a label in Unicode : "Chiếu điểm" actually I got just "Chiêu iêm"
Pls help me how to fix We only keep bug reports and active requests being worked on in the issues tracker. For general questions we have opened the discussion forum on github and #openHASP channel on Discord. If you are not sure if your question is related to the code development, feel free to ask! |
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Replies: 6 comments 14 replies
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I suppose these letters are from the Vietnamese language?
I'm not sure if all glyphs are available in Roboto Condensed, so you will need to test it. |
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One more reason for openhasplite.ttf... |
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I shall try it |
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I have added the following Vietnamese characters to
It is important to encode the accents and characters into one single codepoint for LVGL to render the correct letter. This can be achieved by converting UTF-8 text to Unicode NFC format, NFC means the characters are decomposed and then re-composed by canonical equivalence. This conversion needs to be done in advance, otherwise ArduinoJSON or LVGL will treat the character and accents separately... For example:
Then
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You need to add this code to #define HASP_FONT_1 robotocondensed_regular_16_vietnamese // Use available fonts from src/fonts directory
#define HASP_FONT_2 robotocondensed_regular_24_vietnamese
#define HASP_FONT_3 robotocondensed_regular_32_vietnamese
#define HASP_FONT_4 robotocondensed_regular_38_vietnamese
#define ROBOTOCONDENSED_REGULAR_16_VIETNAMESE 1 // Enable the selected fonts
#define ROBOTOCONDENSED_REGULAR_24_VIETNAMESE 1
#define ROBOTOCONDENSED_REGULAR_32_VIETNAMESE 1
#define ROBOTOCONDENSED_REGULAR_38_VIETNAMESE 1
#define HASP_FONT_SIZE_1 16 // 12 orig // Define used font sizes
#define HASP_FONT_SIZE_2 24 // 16 orig
#define HASP_FONT_SIZE_3 32 // 24 orig
#define HASP_FONT_SIZE_4 38 // 32 orig |
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This has been tested and works: |
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Indeed we need to select the codepoints/characters to include in the firmware. We will also need to find a suitable CJK font. I think this is Simplified Chinese... Will these be enough? Is there a list of most common characters? Maybe like from the HSK Levels? SimSun is a Serif font, but I would rater use a Sans-Serif one instead, like Noto Sans Simplified Chinese. |
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This list of characters could be Japanese because it has Hiragana and Katana characters mixed in, along with traditional Chinese characters. Could also be a dump of GBK as explained below. Katakana: ェ ィ ッ ミ テ ラ ス ゲ It's very tricky to try and pick a subset of Chinese Characters To figure out if a set of characters is simplified or traditional, I think the easiest way is to look for Airport (机场 simplified vs 機場 traditional) or Square/Marketplace (广场 simplified vs 廣場 traditional) as these are very common words and will show up on almost any word list. The Chinese Standard "GB 2312" includes 6763 characters, including:
The Characters represented in "GB 2312" Level One and Level Two cover 99.75% of the character use in Mainland China. To account for many [Chinese] people's names, and ancient Chinese writing (still a required school subject) GB 2312 is insufficient and GBK or GB 18030 are used instead. I've used phones in China that only support GB 2312 and it's painful, since many common names can't be saved accurately in the phone's address book... That said, Beijing Language University has an official list of the most common 3500 characters: For embedded systems, I was able to find several articles of developers using the most common 2500 characters. Trying to get down to the most common 1000 characters or something will get very tricky though - quite a lot of useful characters would be tossed out. Most common 2500 characters. Source |
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Wow. |
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It can work, but I suggest to use PSram only for these fonts because they are very big. You will need 8MB flash and 4MB PSram. 296kB notosans16.bin
518kB notosans24.bin
746kB notosans32.bin
1.004kB notosans40.bin
1.240kB notosans48.binYou can use a jsonl like this: {"page":9,"comment":"---------- Page 9 ----------"}
{"obj":"btn","id":4,"x":5,"y":5,"w":230,"h":58,"text":"开灯","value_ofs_x":-85,"value_font":32,"value_str":"\uE6E8","text_font":"notosans24"}
{"obj":"btn","id":5,"x":5,"y":68,"w":230,"h":58,"text":"日光","value_ofs_x":-85,"value_font":32,"value_str":"\uE599","text_font":"notosans24"}
{"obj":"btn","id":6,"x":5,"y":131,"w":230,"h":58,"text":"夜晚","value_ofs_x":-85,"value_font":32,"value_str":"\uE594","text_font":"notosans24"}
{"obj":"btn","id":7,"x":5,"y":194,"w":230,"h":58,"text":"关灯","value_ofs_x":-85,"value_font":32,"value_str":"\uE335","text_font":"notosans24"}
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@erwin Will this be a solution for your question? |
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Thanks you. I try |
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I have included an online Font Converter tool into the new documentation for the Feel free to try it out and provide feedback here. |
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What ESP32 board are you using? What is the total flash size? |
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WT32-SC01 16MB. I try change option for 16MB flash again. I also bought you coffee. Thanks so much |
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@fvanroie Could you elaborate on how to update https://openhasp.haswitchplate.com/0.6.3/design/fonts/#character-sets I created Yet I don't quite understand how the
From just scanning through the cjk-unified-ideographs in order, it seems likely that every character will need to be listed individually, as 4E00-9FFF is a very large range, and I think characters are organized by radical (sub character) rather than by frequency of use. |
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@erwin You don't need to modify Since the Chinese characters are so numerous, I don't think it will be feasible to provide a firmware with Chinese default fonts. Therefor we now support the external fonts which can be loaded into PSram instead:
You need |
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Thank you. I was just missing the upgrade to v0.6.3-dev firmware... I rebuilt the latest from master and it works great! So cool!!!!
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You need to add this code to
include\user_config_override.hfor the Vietnamese font to be used: