Using ASP's jpeg component, we can make beautiful verification codes in various styles. However, the JPEG component version of most current servers is too low to eliminate the burrs caused by text, unless the font is drawn in non-transparent mode, but This cannot achieve the purpose of imitating the discuz forum verification code. Therefore, let’s not worry about it for the time being. If the text has burrs and jagged edges, just follow them. This cannot be a shortcoming of the current verification code.
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