Graphics with primitives such as lines or ovals and paths, and operations for transformation, scaling or rotation.

Ruby Shoes还支持通过线条、椭圆以及路径这些基本元素来创建图形，并支持变形、缩放、旋转这样的操作。

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This article only deals with the scaling, translation and rotation transformation of graphics.

文中只说明图形的放大、缩小，移动及旋转变换。

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These functions allow you to examine and change the current transformation matrix (CTM) in a graphics context.

这些功能允许你检查和更改图形上下文的当前转换矩阵(CTM)。

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