Cairo is a free software vector drawing library that can draw to multiple output formats.
cairo是一个免费的矢量绘图软件库，它可以绘制多种输出格式。
Since Flex inherits most of its features from Flash, it has very good support for vector drawing.
因为Flex的大多数特性都继承自Flash，所以它能很好的支持矢量作图。
However, such basic shapes fall short of expectations when it comes to some heavy duty vector drawing.
然而，当需要画一些复杂的矢量图时，这些基础图形就不够用了。
The scaleX and scaleY properties allow you to change the scale of the vector drawing, if you so desire.
scaleX和scaleY属性允许您更改矢量绘制的缩放比例。
Then extend from the base class UIComponent, and override the updateDisplayList() method to draw the custom vector drawing.
然后从基类UIComponent 扩展，并覆盖updateDisplayList()方法来绘制这个定制矢量图。
You can also import individual graphic files or create simple graphics using the built-in vector drawing tools.
您也可以导入单独的图形文件或使用内置的矢量绘图工具创建简单的图形。
This graphics object can be used to do vector drawing on the Sprite. For example, see the code to draw a circle of radius 5.
这个图片对象可被用来在sprite上进行矢量作图。
The vector drawing is employed for a variety of tasks, such as filling the background color, border color, gradients, fills, and strokes.
矢量绘制用于完成各种任务，比如填充背景颜色、边框颜色和渐变等。
A vector drawing is like a pencil drawing where you take a pencil from one point to another and connect the points with straight lines, curved lines, rectangles, and ellipses.
矢量作图更像是用铅笔画画，先拿铅笔确定一些点，然后用直线、曲线、方框和椭圆框连接这些点。
Using quadratic and cubic bezier curves can be quite challenging, because unlike vector drawing software like Adobe Illustrator, we don't have direct visual feedback as to what we're doing.
使用二次方和三次方的贝塞尔曲线是相当有挑战的，因为不像在矢量绘图软件AdobeIllustrator里那样有即时的视觉反馈。
Using quadratic and cubic bezier curves can be quite challenging, because unlike vector drawing software like Adobe Illustrator, we don't have direct visual feedback as to what we're doing.
使用二次方和三次方的贝塞尔曲线是相当有挑战的，因为不像在矢量绘图软件AdobeIllustrator里那样有即时的视觉反馈。
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