裁剪区域(clip region)是世界空间范围内每一层存储的n×n规则格网数据。活动区域(active region)是期望渲染的区域,特定为一个n×n区域位于观察者中心。
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Set Clip Region 设置屏蔽区
Window system is a very important part of GUI system, windows and controls are organized in the tree structure, Z-order and clip region are introduced to choose correct displaying regions.
然后介绍了窗口和控件的树形组织结构,以及窗口Z序和剪切域计算方法,并构建了窗口系统。
参考来源 - 面向嵌入式超声检测系统的图形接口设计与应用·2,447,543篇论文数据,部分数据来源于NoteExpress
The clip, filmed in the remote Irkutsk region of Siberia, appears to show a strange glowing craft and five aliens walking about in the snow.
在拍摄于西伯利亚的伊尔库茨克州的镜头里,出现一个不明发光体和五个行雪中漫步的外星人。
If a region is used to clip graphics, GDI divides the coordinates by the scaling factor.
如果某区域用于剪切图形,GDI用缩放因子来分解坐标。
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