For the polygon:
xys specifies the list of coordinates of the vertices.For the oval: we give the coordinates of the center,
the abscissa of the rightmost point, and the ordinate of the lowest point.
Canvas allows to put several kinds of figures in a window:
rectangles, ovals, polygons, lines, bitmap images, texts...
| A polygon, an oval and a bitmap in the same window For the polygon: xys specifies the list of coordinates of the vertices.For the oval: we give the coordinates of the center, the abscissa of the rightmost point, and the ordinate of the lowest point. |
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The file describing the bitmap is the same as in the bitmap section: gs_l.xbm.
Francois dot Thomasset at inria dot fr