窗口服务器为客户提供了一块共用内存区域用来绘图，然后(用gpu)将其混合为帧缓冲。
The window server provides a region of Shared memory to clients for drawing and then composites this into the frame buffer (on the GPU).
随后，主循环在每次循环时都检查事件、重置绘图状态、绘出圆形的“门户”窗口，然后以动画形式将其失真返回当前时帧。
Then, each pass of the main loop checks for events, resets the draw state, draws the circular "portal" windows, then animates their distortion back to the current time frame.
第一眼看上去，Pencil呈现在你面前的就是一个绘图工具，有一个文档窗口在里面工作，还有用来工作的工具、图形、挂件等。
Pencil is, at first glance, a drawing tool that presents you with a document to work within, and tools, shapes and widgets to work with.
现在，窗口服务器是在OpenGL的上层运行的，而2D绘图则由软件或者向窗口服务器发送OpenGL命令来处理，完全和X11一样。
These days, the window server is implemented on top of OpenGL, and the 2D drawing is handled either in software or by sending OpenGL commands to the window server, exactly as would happen with X11.
这个本地活动需要重绘图形窗口。
The drawing window for this native activity needs to be redrawn.
当此窗口打开时，对绘图所作的更改只会反映在链接的数据库表中。确实要关闭该窗口吗？
Changes to your drawing will only be reflected in your linked database table if this window is open. Are you sure you want to close the window?
绘图精灵使图纸的基础上几个问题，并帮助窗口描述的绘图和每一部分的内容。
The drawing Wizard makes the drawing based on the a few questions, and a help window describes what the drawing and each part of it does.
当窗口被其它窗口覆盖或被父窗口裁剪时，在具有WS _ VISIBLE风格位的窗口内的绘图将不会显示。
Any drawing to a window that has the WS_VISIBLE style will not be displayed if the window is covered by other Windows or is clipped by its parent window.
当窗口被其它窗口覆盖或被父窗口裁剪时，在具有WS _ VISIBLE风格位的窗口内的绘图将不会显示。
Any drawing to a window that has the WS_VISIBLE style will not be displayed if the window is covered by other Windows or is clipped by its parent window.
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