图片各种格式转换的delphi源代码，作图形软件时可参考-Image formats conversion delphi source code for graphics software when reference

SQL数据库中如何以二进制格式保存图片，又如何从SQL数据库中读取二进制数据进而转换为图片。-How SQL database in binary format to save the image, and how to read binary data from a SQL database and then converted to pictures.