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1. 发明授权

US5805170A Systems and methods for wrapping a closed polygon around an object 失效
标题翻译：围绕物体包围封闭多边形的系统和方法
公开(公告)号：US5805170A
公开(公告)日：1998-09-08
申请号：US646129
申请日：1996-05-07
申请人： Warren Lee Burch
发明人： Warren Lee Burch
IPC分类号： G06T11/00 , G06F15/62
CPC分类号： G06T11/00
摘要： A system and methods for wrapping a closed polygon around an object represented in a computer system, where the closed polygon is substantially adjacent to the object without intersecting or clipping the object. The system and methods are especially useful for fitting text close to the object in a word processor or page layout system. The method involves dividing the object into a number of horizontal threshold bands. Four points are sequentially positioned within each threshold band along the edge of the object in the band. The first and last points are located proximate to the object on the horizontal boundaries of the threshold band, but do not intersect the object. The middle points are located at the intersections of three defined lines. In this configuration, line segments between any of the four points do not and cannot intersect the object. The step of placing four points along the side of the object within a threshold band is repeated within each of the threshold bands along both sides of the object to form a set of polygon points. This set of polygon points is then sequentially connected to form the closed polygon that wraps around the object. Text can then be flowed around the object without any clipping of the object.
摘要翻译：一种用于在计算机系统中表示的对象周围封闭封闭多边形的系统和方法，其中闭合多边形基本上与对象相邻，而不会相交或限制对象。系统和方法对于在文字处理器或页面布局系统中将文本贴近对象进行拟合特别有用。该方法包括将对象分成多个水平阈值带。沿着带中的物体的边缘顺序地将四个点定位在每个阈值带内。第一个和最后一个点位于阈值带的水平边界附近的物体上，但不与物体相交。中点位于三条定义线的交点处。在这种配置中，任何四个点之间的线段不会也不能与对象相交。在物体的沿着物体侧面放置四个点的步骤在物体的两侧的每个阈值带内重复，以形成一组多边形点。然后，这组多边形点依次连接形成围绕物体的封闭多边形。然后，文本可以在对象周围流动，而不会对象的任何裁剪。

2. 发明授权

US07450124B2 Generating 2D transitions using a 3D model 有权
标题翻译：使用3D模型生成2D过渡
公开(公告)号：US07450124B2
公开(公告)日：2008-11-11
申请号：US11083378
申请日：2005-03-18
申请人： Warren Lee Burch , Tzong-Jhy Wang
发明人： Warren Lee Burch , Tzong-Jhy Wang
IPC分类号： G06T15/10
CPC分类号： G06T13/00 , G06T2210/44 , G11B27/034
摘要： A system and method for generating a 2D transition between a first media object and a second media object. A 3D model is defined corresponding to a desired 2D transition pattern. A graphics processing unit (GPU) or a set of instructions generates a transition between the first media object and the second media object as a function of the defined 3D model. A transition generator maps a plurality of vertices of the first media object to a first mesh creating a first mapped media object where the first mesh relates to the 3D model. The transition generator maps a plurality of vertices of the second media object to a transition pattern mesh creating a second mapped media object where the transition pattern mesh relates to the 3D model. The GPU or the set of instructions renders the transition from the first mapped media object and the second mapped media object.
摘要翻译：一种用于在第一媒体对象和第二媒体对象之间产生2D转换的系统和方法。对应于期望的2D过渡模式来定义3D模型。图形处理单元（GPU）或一组指令根据所定义的3D模型生成第一媒体对象和第二媒体对象之间的转换。转移生成器将第一媒体对象的多个顶点映射到第一网格，其中第一网格创建第一网格与3D模型相关联的第一映射媒体对象。转移生成器将第二媒体对象的多个顶点映射到过渡模式网格，从而创建转换模式网格与3D模型相关联的第二映射媒体对象。 GPU或该组指令呈现从第一映射媒体对象和第二映射媒体对象的转换。

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