1PLGCOLBGA(3plplot) PLplot API PLGCOLBGA(3plplot)
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6 plgcolbga - Returns the background color (cmap0[0]) by 8-bit RGB value
7 and PLFLT alpha transparency value
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10 plgcolbga(r, g, b, alpha)
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13 Returns the background color (cmap0[0]) by 8-bit RGB value and PLFLT
14 alpha transparency value.
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16 This function is used in example 31.
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19 r (PLINT_NC_SCALAR(3plplot), output)
20 Returned value of the red intensity in the range from 0 to 255.
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22 g (PLINT_NC_SCALAR(3plplot), output)
23 Returned value of the green intensity in the range from 0 to
24 255.
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26 b (PLINT_NC_SCALAR(3plplot), output)
27 Returned value of the blue intensity in the range from 0 to 255.
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29 alpha (PLFLT_NC_SCALAR(3plplot), output)
30 Returned value of the alpha transparency in the range (0.0-1.0).
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34 Many developers (who are credited at http://plplot.source‐
35 forge.net/credits.php) have contributed to PLplot over its long his‐
36 tory.
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39 PLplot documentation at http://plplot.sourceforge.net/documenta‐
40 tion.php.
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44 August, 2017 PLGCOLBGA(3plplot)