drawLine
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[, floating R, integer G =R, integer B =R, integer Width ] )
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Image
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An integer between 1 and 116 specifying the image frame number. Values in the range of 100-116 correspond to hidden frames.
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X1, Y1, X2, Y2
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Positive integers specifying the coordinates of the end points of the line in pixels.
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R
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An optional floating variable or constant specifying the color or intensity of the line. Depending on the type of the image, this parameter will be interpreted differently:
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Default value: established by setDrawColor.
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G
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An optional integer specifying the green component of line color for an image of an RGB type
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Default value: same as R
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B
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An optional integer specifying the blue component of the line color for an image of an RGB type. For any other image type this parameter is disregarded.
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Default value: same as R
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Width
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An optional integer between 0 and 100 specifying the width of the line in pixels.
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Default value: established by setPencil.
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ERR_OK
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The flag set if successful.
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ERR_FAILED
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The flag set if failed.
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The following set of statements creates a blank 16-bit grayscale image and draws a diagonal line with the intensity 40000.
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createIm (1, IM_GRAY16, 256, 256)
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drawLine (1, 0, 0, 255, 255, 40000)
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