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| 3 | <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> |
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| 5 | <title>color24.pro (SAXO Documentation Assistant)</title> |
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| 45 | <table border="0" cellpadding="0" cellspacing="0" width="98%" bgcolor="#F0F0FF" valign="bottom"> |
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| 46 | <tr> |
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| 47 | <td width="10%"> |
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| 48 | <a href=""><img src="./../prev.gif" border="0" alt="Previous"></a></td> |
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| 49 | <td width="80%" align="center" valign="center"> |
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| 50 | <font size=-1><i>SAXO Documentation Assistant</i>: <a href="./../home.html">Overview</a></font></td> |
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| 51 | <td width="10%" align="right"> |
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| 52 | <a href="colorbar.html"><img src="./../next.gif" border="0" alt="Next"></a></td> |
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| 53 | </tr> |
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| 54 | </table> |
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| 55 | |
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| 56 | |
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| 57 | <h1><font size="-2">Colors/</font></h1> |
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| 58 | <h2>color24.pro</h2> |
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| 59 | |
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| 60 | <dl> |
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| 61 | </dl> |
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| 62 | |
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| 63 | |
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| 64 | The purpose of this function is to convert a RGB color triple |
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| 65 | into the equivalent 24-big long integer. |
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| 66 | This routine was written to be used with routines like |
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| 67 | or <a href="..//Colors/getcolor.html">getcolor</a>. |
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| 68 | |
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| 69 | |
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| 70 | |
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| 71 | |
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| 72 | |
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| 73 | <a name="#_color24"></a> |
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| 74 | |
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| 75 | <h2>color24 <font size="-1" color="#006633"> |
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| 76 | Graphics, Color |
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| 77 | </font></h2> |
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| 78 | |
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| 79 | <p><font face="Courier"><i>result = </i>color24(<i><a href="#_color24_keyword_rgb_triple">rgb_triple</a></i>)</font></p> |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | |
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| 84 | <h3>Return value</h3> {type=long integer} |
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| 85 | a 24-bit long integer that is equivalent the input color. |
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| 86 | The color is described in terms of a hexadecimal number (e.g., FF206A) |
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| 87 | where the left two digits represent the blue color, the |
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| 88 | middle two digits represent the green color, and the right |
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| 89 | two digits represent the red color. |
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| 90 | |
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| 91 | |
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| 92 | |
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| 93 | <h3>Parameters</h3> |
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| 94 | |
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| 95 | |
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| 96 | <a name="#_color24_keyword_rgb_triple"></a> |
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| 97 | <h4>rgb_triple |
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| 98 | <font size="-1" color="#006633">in</font> |
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| 99 | |
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| 100 | |
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| 101 | <font size="-1" color="#006633">required</font> |
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| 102 | |
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| 103 | <font size="-1" color="#006633">type:</font> <font size="-1" color="#006633"><i>byte, A three-element array</i></font> |
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| 104 | |
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| 105 | |
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| 106 | </h4> |
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| 107 | |
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| 108 | |
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| 109 | A color triple. The values of the elements must be between 0 and 255. |
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| 110 | |
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| 111 | |
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| 112 | |
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| 113 | |
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| 114 | |
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| 115 | |
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| 116 | <h3>Examples</h3><pre> |
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| 117 | To convert the color triple for the color YELLOW, |
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| 118 | (255, 255, 0), to the hexadecimal value '00FFFF'x |
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| 119 | or the decimal number 65535, type: |
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| 120 | |
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| 121 | IDL> color = COLOR24([255, 255, 0]) |
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| 122 | |
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| 123 | </pre><h3>Version history</h3> |
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| 124 | |
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| 125 | <h4>Version</h4> |
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| 126 | $Id: color24.pro 371 2008-08-07 09:32:02Z pinsard $ |
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| 127 | |
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| 128 | <h4>History</h4> |
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| 129 | Written by: David Fanning, 3 February 96. |
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| 147 | <font size="-3"><p> </p></font> |
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| 148 | <hr size="1" color="#CCCCCC"/> |
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| 153 | <p><font color="gray" size="-3"> Produced by IDLdoc 2.0.</font></p> |
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| 154 | |
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| 155 | </body> |
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| 156 | </html> |
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