[rgb_Row]
| Link | rgb_Row |
| Author | Ke Carlton |
| Category | Output |
| Version | 8.x |
| License | Public Domain |
| Posted | 16 Apr 2006 |
| Updated | 16 Apr 2006 |
| More by this author... | |
Description
This tag generates a colour array that cycles through the colour spectrum and returns a #hex value to represent the current iteration.
You can additionally specify minimum and maximum brightness levels.
Enjoy!
Ke
Sample Usage
[var:'toloop'=15][loop:$toloop]<span style="background-color:[rgb_row:loop_count,$toloop];">Row: [loop_count]</span><br>[/loop] |
Source Code
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define_tag: 'rgb_row'; // Returns a transitional colour based on total number of rows and the current row number // PARAMS: Row Number, Total Rows, Min Brightness (optional) , Max Brightness (optional) // Example use: // [var:'toloop'=15] // [loop:$toloop] // <span style="background-color:[rgb_row:loop_count,$toloop];">Row: [loop_count]</span><br> // [/loop] if:params->size >= 2; local:'row'=params->(get:1); local:'count'=params->(get:2); if:#count > 360; local:'row' = (math_ceil:#row * (360.00/#count)); #count = 360; /if; local:'deg'=360/#count; local:'loop'= #count; local:'colours'=(array); local:'min' = 100; // Minimum brightness level local:'max' = 220; // Maxium brightness level params->size >=3 ? #min = params->(get:3); // Overide Minimum Brightness params->size >=4 ? #max = params->(get:4); // Overide Maxium Brightness local:'r'=(array); local:'g'=(array); local:'b'=(array); local:'c'=''; if:(var_defined:'RBG'+#count); #colours = (var:'RBG'+#count); else; // Generate first hue array loop:#loop; local:'ang'=#deg*loop_count; local:'offset' = 120; if:#ang < #offset || #ang >= (#offset+240); #c=#min; else:#ang >(#offset+60) && #ang < (#offset+240)-60; #c=#max; else:#ang <=(#offset+60); #c=#min+((#max-#min) * ((100.00/60)* (#ang-#offset)*0.01)); else; #c= #min+((#max-#min)* ((100.00/60)*((#offset+240)-#ang)*0.01) ); /if; #c = (math_round:#c,1); #c = (math_random:-lower=#c,-upper=#c,-hex); #c->size<2?#c='0'+#c; #b->(insert:#c); /loop; // Cycle for other primarys #r = #b;loop:#b->size/3;local:'x' = #r->(get:1);#r->(removefirst);#r->(insertlast:#x);/loop; #g = #r;loop:#b->size/3;local:'x' = #g->(get:1);#g->(removefirst);#g->(insertlast:#x);/loop; loop:#b->size;#colours->(insert:'#'+#r->(get:loop_count)+#b->(get:loop_count)+#g->(get:loop_count));/loop; var:'RBG'+#count = #colours; // Store colour array for future use /if; if:#row <= #colours->size; local:'colour' = #colours->(get:#row); return:#colour; else; return:'#FFFFFF'; /if; /if;/define_tag; |
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