The functions of Wenmo.Net verification code are as follows:
1. Supports custom image size and can adapt to any size (of course, it is recommended not to be too small)
2. Support custom border size
3. Support customizing the number of noise points, interference lines, and interference color blocks
4. Support custom text shadow color and transparency
5. Support custom verification code text, fully support Chinese (this is not a feature)
6. Support random colors for text, borders, noise, interference lines, interference color blocks, etc.
This class has high encapsulation, simple and flexible calling, and is very convenient for secondary development.
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