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Grayscale image: Difference between revisions
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→{{header|REXX}}: changed some comments and whitespace.
m (→{{header|REXX}}: changed spacing in the REXX section header.) |
m (→{{header|REXX}}: changed some comments and whitespace.) |
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Note: REXX uses characters instead of binary for storing numbers, so there is no rounding (using characters to
<br> store numbers is almost the same as using decimal floating point).
<lang rexx>/*REXX program converts a
blue= '00 00 ff'x /*define the blue color (hexadecimal).*/
@.= blue /*set the entire image to blue color.*/
Line 1,477:
g=substr(@.col.row, 2, 1) ; g=c2d(g) /* " " " green " " */
b= right(@.col.row, 1) ; b=c2d(b) /* " " " blue " " */
end /*row*/ /* [↑] D2C convert decimal ───► char*/
end /*col*/ /* [↑] x%1 is the same as TRUNC(x) */
/*stick a fork in it, we're all done. */</lang>
Line 1,495 ⟶ 1,496:
/*Both Z & Y are normally not viewable*/
/*on most terminals (appear as blanks).*/</lang><br><br>
=={{header|Ruby}}==
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