vector_image
(vector_image x1 y1 x2 y2 color)
This function draws a vector from
(x1,y1) to (x2,y2) into the active DCL image tile using color.
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Arguments
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x1 (integer) x coordinate of the start point
y1 (integer)
y coordinate of the start point
x2 (integer)
x coordinate of the end point
y2 (integer)
y coordinate of the end point
color (integer) color value to be used for the vector; an
ACI index color value (0...256) or
-2 color of the drawing area
-15 dialog background color
-16 dialog foreground (text)
color
-18 dialog line color
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Return
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(integer) returns the
color value
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Example
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Remarks
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all coordinates are relative
to upper-left corner, which is (0,0);
see (start_image) function,
this determines the currently active DCL image tile;
see (dimx_tile) and
(dimy_tile) functions for the coordinates of the lower-right
corner
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