jianghe2nd/mota-js
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emoji支持

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ckcz123 2020-10-31 10:13:20 +08:00
parent e6070da8b0
commit cd532587e2
1 changed files with 8 additions and 3 deletions
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11
libs/ui.js
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@ -1138,7 +1138,12 @@ ui.prototype._drawTextContent_next = function (tempCtx, content, config) {
return false;
}
// get next character
var ch = content.charAt(config.index++);
var ch = content.charAt(config.index);
var code = content.charCodeAt(config.index++);
while (code >= 0xD800 && code <= 0xDBFF) {
ch += content.charAt(config.index);
code = content.charCodeAt(config.index++);
}
return this._drawTextContent_drawChar(tempCtx, content, config, ch);
}
@ -1183,7 +1188,7 @@ ui.prototype._drawTextContent_drawChar = function (tempCtx, content, config, ch)
config.forceChangeLine = true;
} else {
this._drawTextContent_newLine(tempCtx, config);
config.index--;
config.index-=ch.length;
return this._drawTextContent_next(tempCtx, content, config);
}
} else if (forbidEnd.indexOf(ch) >= 0 && config.index < content.length) {
@ -1196,7 +1201,7 @@ ui.prototype._drawTextContent_drawChar = function (tempCtx, content, config, ch)
if (config.offsetX + charwidth + nextchwidth > config.maxWidth) {
// 下一项会换行，因此在此处换行
this._drawTextContent_newLine(tempCtx, config);
config.index--;
config.index-=ch.length;
return this._drawTextContent_next(tempCtx, content, config);
}
}