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    • 2. 发明授权
    • Vector image drawing device, vector image drawing method, and recording medium
    • 矢量图像绘制装置,矢量图像绘制方法和记录介质
    • US08907955B2
    • 2014-12-09
    • US13125836
    • 2009-11-09
    • Hiroshi Fujiwara
    • Hiroshi Fujiwara
    • G09G5/00G09G5/36G06T11/20G06F15/00G06K1/00G06K15/00H04N1/40H04N1/405G06T11/40
    • G06T11/40G06T1/60
    • A vector image drawing device has the following configuration. A contour generation unit (104), based on vector data, generates contour data that represents the starting pixels on a scan line in a drawing area where fill-in starts, and the ending pixels where fill-in ends. An outline buffer (106) stores the number of starting or ending pixels in the contour data for fill-in for each drawn pixel. An error judgment unit (2), when storing the contour data in the outline buffer (106), determines in which pixel there is overflow in the outline buffer of contour data. A pixel position transfer unit (3) adds the numerical value of the overflow portion of a pixel that the error judgment unit (2) determined to have overflow to the numerical value of contour data that corresponds to a pixel.
    • 矢量图像绘制装置具有以下配置。 轮廓生成单元(104)基于向量数据生成表示填充开始的绘制区域中的扫描线上的起始像素和填充结束的结束像素的轮廓数据。 轮廓缓冲器(106)存储用于每个绘制像素的用于填充的轮廓数据中的开始或结束像素的数量。 误差判断单元(2)在将轮廓数据存储在轮廓缓冲器(106)中时,确定轮廓数据的轮廓缓冲器中哪个像素在哪个像素中溢出。 像素位置传送单元(3)将确定为具有溢出的错误判断单元(2)的像素的溢出部分的数值与对应于像素的轮廓数据的数值相加。