Documentation for image() is incomplete

Issue description

The reference page for image() does not document the functionality for drawing a clipped section of the source image.
I ended up having to figure out the parameters for this (9-argument) version of image() through trial and error.

URL(s) of affected page(s)

https://processing.org/reference/image_.html

Proposed fix

Add example and documentation for this version.

The actual parameters seem to be:
image(image, targetX, targetY, targetWidth, targetHeight, sourceLeft, sourceTop, sourceRight, sourceBottom);

打开 https://processing.org/reference/image_.html 中受影响的 image() 参考页面，并检查现有签名和示例是如何记录的。为九参数的裁剪源形式添加文档和示例；当该页面上的参数和行为都清晰明确时，即可完成。