java课的作业，用swing写的，涉及到图形学方面的知识，包括纺射变换，剪切过滤器，象素提取等等。-java class operations, used to write the swing, involving graphics, in terms of knowledge, including spinning shot transform, shear filters, image retrieval.

java2d API 应用实例，椭圆按钮事件、几何图形变换，剪切文字图形等-java2d API application example, oval button events, geometric transformation, shear the text graphics, etc.

插入图片进行仿射变换，简单功能：旋转平移翻转图像 剪切-java realize Transform aaaaa