| 摘要 |
A drawing apparatus has dividing unit for dividing a rectangle frame circumscribing a triangle displayed on a display screen into a plurality of rectangle segments. A determining unit sequentially determines whether each rectangle segment included in the rectangle frame overlaps the triangle in a predetermined direction and outputs a determination result of overlap or nonoverlap. The sequential determination of overlap or nonoverlap is stopped in the predetermined direction, if a determination result output from the determining unit changes from the overlap to the nonoverlap. A drawing process is performed on the rectangle segment determined to overlap the triangle.
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