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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef GIMP_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define GIMP_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span><span class="comment">/* -*- c++ -*-</span>
<a name="l00004"></a>00004 <span class="comment"> * gimp.h: Header for a Qt 3 plug-in for reading GIMP XCF image files</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2001 lignum Computing, Inc. <allen@lignumcomputing.com></span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright (C) 2004 Melchior FRANZ <mfranz@kde.org></span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This plug-in is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> *</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">/*</span>
<a name="l00027"></a>00027 <span class="comment"> * These are the constants and functions I extracted from The GIMP source</span>
<a name="l00028"></a>00028 <span class="comment"> * code. If the reader fails to work, this is probably the place to start</span>
<a name="l00029"></a>00029 <span class="comment"> * looking for discontinuities.</span>
<a name="l00030"></a>00030 <span class="comment"> */</span>
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="comment">// From GIMP "tile.h" v1.2</span>
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">const</span> uint TILE_WIDTH = 64;
<a name="l00035"></a>00035 <span class="keyword">const</span> uint TILE_HEIGHT = 64;
<a name="l00036"></a>00036
<a name="l00037"></a>00037 <span class="comment">// From GIMP "paint_funcs.c" v1.2</span>
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <span class="keyword">const</span> <span class="keywordtype">int</span> RANDOM_TABLE_SIZE = 4096;
<a name="l00040"></a>00040 <span class="keyword">const</span> <span class="keywordtype">int</span> RANDOM_SEED = 314159265;
<a name="l00041"></a>00041 <span class="keyword">const</span> <span class="keywordtype">double</span> EPSILON = 0.0001;
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">// From GIMP "paint_funcs.h" v1.2</span>
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keyword">const</span> uchar OPAQUE_OPACITY = 255;
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="comment">// From GIMP "apptypes.h" v1.2</span>
<a name="l00048"></a>00048
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055 RGB,
<a name="l00056"></a>00056 GRAY,
<a name="l00057"></a>00057 INDEXED
<a name="l00058"></a>00058 } GimpImageBaseType;
<a name="l00059"></a>00059
<a name="l00061"></a>00061
<a name="l00062"></a>00062 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00063"></a>00063 {
<a name="l00064"></a>00064 RGB_GIMAGE,
<a name="l00065"></a>00065 RGBA_GIMAGE,
<a name="l00066"></a>00066 GRAY_GIMAGE,
<a name="l00067"></a>00067 GRAYA_GIMAGE,
<a name="l00068"></a>00068 INDEXED_GIMAGE,
<a name="l00069"></a>00069 INDEXEDA_GIMAGE
<a name="l00070"></a>00070 } GimpImageType;
<a name="l00071"></a>00071
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00075"></a>00075 {
<a name="l00076"></a>00076 NORMAL_MODE,
<a name="l00077"></a>00077 DISSOLVE_MODE,
<a name="l00078"></a>00078 BEHIND_MODE,
<a name="l00079"></a>00079 MULTIPLY_MODE,
<a name="l00080"></a>00080 SCREEN_MODE,
<a name="l00081"></a>00081 OVERLAY_MODE,
<a name="l00082"></a>00082 DIFFERENCE_MODE,
<a name="l00083"></a>00083 ADDITION_MODE,
<a name="l00084"></a>00084 SUBTRACT_MODE,
<a name="l00085"></a>00085 DARKEN_ONLY_MODE,
<a name="l00086"></a>00086 LIGHTEN_ONLY_MODE,
<a name="l00087"></a>00087 HUE_MODE,
<a name="l00088"></a>00088 SATURATION_MODE,
<a name="l00089"></a>00089 COLOR_MODE,
<a name="l00090"></a>00090 VALUE_MODE,
<a name="l00091"></a>00091 DIVIDE_MODE,
<a name="l00092"></a>00092 ERASE_MODE,
<a name="l00093"></a>00093 REPLACE_MODE,
<a name="l00094"></a>00094 ANTI_ERASE_MODE
<a name="l00095"></a>00095 } LayerModeEffects;
<a name="l00096"></a>00096
<a name="l00097"></a>00097 <span class="comment">// From GIMP "xcf.c" v1.2</span>
<a name="l00098"></a>00098
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 PROP_END = 0,
<a name="l00104"></a>00104 PROP_COLORMAP = 1,
<a name="l00105"></a>00105 PROP_ACTIVE_LAYER = 2,
<a name="l00106"></a>00106 PROP_ACTIVE_CHANNEL = 3,
<a name="l00107"></a>00107 PROP_SELECTION = 4,
<a name="l00108"></a>00108 PROP_FLOATING_SELECTION = 5,
<a name="l00109"></a>00109 PROP_OPACITY = 6,
<a name="l00110"></a>00110 PROP_MODE = 7,
<a name="l00111"></a>00111 PROP_VISIBLE = 8,
<a name="l00112"></a>00112 PROP_LINKED = 9,
<a name="l00113"></a>00113 PROP_PRESERVE_TRANSPARENCY = 10,
<a name="l00114"></a>00114 PROP_APPLY_MASK = 11,
<a name="l00115"></a>00115 PROP_EDIT_MASK = 12,
<a name="l00116"></a>00116 PROP_SHOW_MASK = 13,
<a name="l00117"></a>00117 PROP_SHOW_MASKED = 14,
<a name="l00118"></a>00118 PROP_OFFSETS = 15,
<a name="l00119"></a>00119 PROP_COLOR = 16,
<a name="l00120"></a>00120 PROP_COMPRESSION = 17,
<a name="l00121"></a>00121 PROP_GUIDES = 18,
<a name="l00122"></a>00122 PROP_RESOLUTION = 19,
<a name="l00123"></a>00123 PROP_TATTOO = 20,
<a name="l00124"></a>00124 PROP_PARASITES = 21,
<a name="l00125"></a>00125 PROP_UNIT = 22,
<a name="l00126"></a>00126 PROP_PATHS = 23,
<a name="l00127"></a>00127 PROP_USER_UNIT = 24
<a name="l00128"></a>00128 } PropType;
<a name="l00129"></a>00129
<a name="l00130"></a>00130 <span class="comment">// From GIMP "xcf.c" v1.2</span>
<a name="l00131"></a>00131
<a name="l00133"></a>00133
<a name="l00134"></a>00134 <span class="keyword">typedef</span> <span class="keyword">enum</span>
<a name="l00135"></a>00135 {
<a name="l00136"></a>00136 COMPRESS_NONE = 0,
<a name="l00137"></a>00137 COMPRESS_RLE = 1,
<a name="l00138"></a>00138 COMPRESS_ZLIB = 2,
<a name="l00139"></a>00139 COMPRESS_FRACTAL = 3 <span class="comment">/* Unused. */</span>
<a name="l00140"></a>00140 } CompressionType;
<a name="l00141"></a>00141
<a name="l00142"></a>00142 <span class="comment">// From GIMP "paint_funcs.c" v1.2</span>
<a name="l00143"></a>00143
<a name="l00151"></a>00151 <span class="keyword">inline</span> <span class="keywordtype">int</span> INT_MULT ( <span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b )
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 <span class="keywordtype">int</span> c = a * b + 0x80;
<a name="l00154"></a>00154 <span class="keywordflow">return</span> ( ( c >> 8 ) + c ) >> 8;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00168"></a>00168 <span class="keyword">inline</span> <span class="keywordtype">int</span> INT_BLEND ( <span class="keywordtype">int</span> a, <span class="keywordtype">int</span> b, <span class="keywordtype">int</span> alpha )
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170 <span class="keywordflow">return</span> INT_MULT( a - b, alpha ) + b;
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="comment">// From GIMP "gimpcolorspace.c" v1.2</span>
<a name="l00174"></a>00174
<a name="l00181"></a>00181 <span class="keywordtype">void</span> RGBTOHSV ( uchar& red, uchar& green, uchar& blue )
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordtype">int</span> r, g, b;
<a name="l00184"></a>00184 <span class="keywordtype">double</span> h, s, v;
<a name="l00185"></a>00185 <span class="keywordtype">int</span> min, max;
<a name="l00186"></a>00186
<a name="l00187"></a>00187 h = 0.;
<a name="l00188"></a>00188
<a name="l00189"></a>00189 r = red;
<a name="l00190"></a>00190 g = green;
<a name="l00191"></a>00191 b = blue;
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keywordflow">if</span> ( r > g ) {
<a name="l00194"></a>00194 max = KMAX( r, b );
<a name="l00195"></a>00195 min = KMIN( g, b );
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197 <span class="keywordflow">else</span> {
<a name="l00198"></a>00198 max = KMAX( g, b );
<a name="l00199"></a>00199 min = KMIN( r, b );
<a name="l00200"></a>00200 }
<a name="l00201"></a>00201
<a name="l00202"></a>00202 v = max;
<a name="l00203"></a>00203
<a name="l00204"></a>00204 <span class="keywordflow">if</span> ( max != 0 )
<a name="l00205"></a>00205 s = ( ( max - min ) * 255 ) / (double)max;
<a name="l00206"></a>00206 <span class="keywordflow">else</span>
<a name="l00207"></a>00207 s = 0;
<a name="l00208"></a>00208
<a name="l00209"></a>00209 <span class="keywordflow">if</span> ( s == 0 )
<a name="l00210"></a>00210 h = 0;
<a name="l00211"></a>00211 <span class="keywordflow">else</span> {
<a name="l00212"></a>00212 <span class="keywordtype">int</span> delta = max - min;
<a name="l00213"></a>00213 <span class="keywordflow">if</span> ( r == max )
<a name="l00214"></a>00214 h = ( g - b ) / (<span class="keywordtype">double</span>)delta;
<a name="l00215"></a>00215 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( g == max )
<a name="l00216"></a>00216 h = 2 + ( b - r ) / (<span class="keywordtype">double</span>)delta;
<a name="l00217"></a>00217 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( b == max )
<a name="l00218"></a>00218 h = 4 + ( r - g ) / (<span class="keywordtype">double</span>)delta;
<a name="l00219"></a>00219 h *= 42.5;
<a name="l00220"></a>00220
<a name="l00221"></a>00221 <span class="keywordflow">if</span> ( h < 0 )
<a name="l00222"></a>00222 h += 255;
<a name="l00223"></a>00223 <span class="keywordflow">if</span> ( h > 255 )
<a name="l00224"></a>00224 h -= 255;
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226
<a name="l00227"></a>00227 red = (uchar)h;
<a name="l00228"></a>00228 green = (uchar)s;
<a name="l00229"></a>00229 blue = (uchar)v;
<a name="l00230"></a>00230 }
<a name="l00231"></a>00231
<a name="l00238"></a>00238 <span class="keywordtype">void</span> HSVTORGB ( uchar& hue, uchar& saturation, uchar& value )
<a name="l00239"></a>00239 {
<a name="l00240"></a>00240 <span class="keywordflow">if</span> ( saturation == 0 ) {
<a name="l00241"></a>00241 hue = value;
<a name="l00242"></a>00242 saturation = value;
<a name="l00243"></a>00243 value = value;
<a name="l00244"></a>00244 }
<a name="l00245"></a>00245 <span class="keywordflow">else</span> {
<a name="l00246"></a>00246 <span class="keywordtype">double</span> h = hue * 6. / 255.;
<a name="l00247"></a>00247 <span class="keywordtype">double</span> s = saturation / 255.;
<a name="l00248"></a>00248 <span class="keywordtype">double</span> v = value / 255.;
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="keywordtype">double</span> f = h - (int)h;
<a name="l00251"></a>00251 <span class="keywordtype">double</span> p = v * ( 1. - s );
<a name="l00252"></a>00252 <span class="keywordtype">double</span> q = v * ( 1. - ( s * f ) );
<a name="l00253"></a>00253 <span class="keywordtype">double</span> t = v * ( 1. - ( s * ( 1. - f ) ) );
<a name="l00254"></a>00254
<a name="l00255"></a>00255 <span class="comment">// Worth a note here that gcc 2.96 will generate different results</span>
<a name="l00256"></a>00256 <span class="comment">// depending on optimization mode on i386.</span>
<a name="l00257"></a>00257
<a name="l00258"></a>00258 <span class="keywordflow">switch</span> ((<span class="keywordtype">int</span>)h) {
<a name="l00259"></a>00259 <span class="keywordflow">case</span> 0:
<a name="l00260"></a>00260 hue = (uchar)( v * 255 );
<a name="l00261"></a>00261 saturation = (uchar)( t * 255 );
<a name="l00262"></a>00262 value = (uchar)( p * 255 );
<a name="l00263"></a>00263 <span class="keywordflow">break</span>;
<a name="l00264"></a>00264 <span class="keywordflow">case</span> 1:
<a name="l00265"></a>00265 hue = (uchar)( q * 255 );
<a name="l00266"></a>00266 saturation = (uchar)( v * 255 );
<a name="l00267"></a>00267 value = (uchar)( p * 255 );
<a name="l00268"></a>00268 <span class="keywordflow">break</span>;
<a name="l00269"></a>00269 <span class="keywordflow">case</span> 2:
<a name="l00270"></a>00270 hue = (uchar)( p * 255 );
<a name="l00271"></a>00271 saturation = (uchar)( v * 255 );
<a name="l00272"></a>00272 value = (uchar)( t * 255 );
<a name="l00273"></a>00273 <span class="keywordflow">break</span>;
<a name="l00274"></a>00274 <span class="keywordflow">case</span> 3:
<a name="l00275"></a>00275 hue = (uchar)( p * 255 );
<a name="l00276"></a>00276 saturation = (uchar)( q * 255 );
<a name="l00277"></a>00277 value = (uchar)( v * 255 );
<a name="l00278"></a>00278 <span class="keywordflow">break</span>;
<a name="l00279"></a>00279 <span class="keywordflow">case</span> 4:
<a name="l00280"></a>00280 hue = (uchar)( t * 255 );
<a name="l00281"></a>00281 saturation = (uchar)( p * 255 );
<a name="l00282"></a>00282 value = (uchar)( v * 255 );
<a name="l00283"></a>00283 <span class="keywordflow">break</span>;
<a name="l00284"></a>00284 <span class="keywordflow">case</span> 5:
<a name="l00285"></a>00285 hue = (uchar)( v * 255 );
<a name="l00286"></a>00286 saturation = (uchar)( p * 255 );
<a name="l00287"></a>00287 value = (uchar)( q * 255 );
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289 }
<a name="l00290"></a>00290 }
<a name="l00291"></a>00291
<a name="l00298"></a>00298 <span class="keywordtype">void</span> RGBTOHLS ( uchar& red, uchar& green, uchar& blue )
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300 <span class="keywordtype">int</span> r = red;
<a name="l00301"></a>00301 <span class="keywordtype">int</span> g = green;
<a name="l00302"></a>00302 <span class="keywordtype">int</span> b = blue;
<a name="l00303"></a>00303
<a name="l00304"></a>00304 <span class="keywordtype">int</span> min, max;
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="keywordflow">if</span> ( r > g ) {
<a name="l00307"></a>00307 max = KMAX( r, b );
<a name="l00308"></a>00308 min = KMIN( g, b );
<a name="l00309"></a>00309 }
<a name="l00310"></a>00310 <span class="keywordflow">else</span> {
<a name="l00311"></a>00311 max = KMAX( g, b );
<a name="l00312"></a>00312 min = KMIN( r, b );
<a name="l00313"></a>00313 }
<a name="l00314"></a>00314
<a name="l00315"></a>00315 <span class="keywordtype">double</span> h;
<a name="l00316"></a>00316 <span class="keywordtype">double</span> l = ( max + min ) / 2.;
<a name="l00317"></a>00317 <span class="keywordtype">double</span> s;
<a name="l00318"></a>00318
<a name="l00319"></a>00319 <span class="keywordflow">if</span> ( max == min ) {
<a name="l00320"></a>00320 s = 0.;
<a name="l00321"></a>00321 h = 0.;
<a name="l00322"></a>00322 }
<a name="l00323"></a>00323 <span class="keywordflow">else</span> {
<a name="l00324"></a>00324 <span class="keywordtype">int</span> delta = max - min;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 <span class="keywordflow">if</span> ( l < 128 )
<a name="l00327"></a>00327 s = 255 * (double)delta / (<span class="keywordtype">double</span>)( max + min );
<a name="l00328"></a>00328 <span class="keywordflow">else</span>
<a name="l00329"></a>00329 s = 255 * (double)delta / (<span class="keywordtype">double</span>)( 511 - max - min );
<a name="l00330"></a>00330
<a name="l00331"></a>00331 <span class="keywordflow">if</span> ( r == max )
<a name="l00332"></a>00332 h = ( g - b ) / (<span class="keywordtype">double</span>)delta;
<a name="l00333"></a>00333 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( g == max )
<a name="l00334"></a>00334 h = 2 + ( b - r ) / (<span class="keywordtype">double</span>)delta;
<a name="l00335"></a>00335 <span class="keywordflow">else</span>
<a name="l00336"></a>00336 h = 4 + ( r - g ) / (<span class="keywordtype">double</span>)delta;
<a name="l00337"></a>00337
<a name="l00338"></a>00338 h *= 42.5;
<a name="l00339"></a>00339
<a name="l00340"></a>00340 <span class="keywordflow">if</span> ( h < 0 )
<a name="l00341"></a>00341 h += 255;
<a name="l00342"></a>00342 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( h > 255 )
<a name="l00343"></a>00343 h -= 255;
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346 red = (uchar)h;
<a name="l00347"></a>00347 green = (uchar)l;
<a name="l00348"></a>00348 blue = (uchar)s;
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350
<a name="l00358"></a>00358 <span class="keywordtype">int</span> HLSVALUE ( <span class="keywordtype">double</span> n1, <span class="keywordtype">double</span> n2, <span class="keywordtype">double</span> hue )
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360 <span class="keywordtype">double</span> value;
<a name="l00361"></a>00361
<a name="l00362"></a>00362 <span class="keywordflow">if</span> ( hue > 255 )
<a name="l00363"></a>00363 hue -= 255;
<a name="l00364"></a>00364 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( hue < 0 )
<a name="l00365"></a>00365 hue += 255;
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keywordflow">if</span> ( hue < 42.5 )
<a name="l00368"></a>00368 value = n1 + ( n2 - n1 ) * ( hue / 42.5 );
<a name="l00369"></a>00369 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( hue < 127.5 )
<a name="l00370"></a>00370 value = n2;
<a name="l00371"></a>00371 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( hue < 170 )
<a name="l00372"></a>00372 value = n1 + ( n2 - n1 ) * ( ( 170 - hue ) / 42.5 );
<a name="l00373"></a>00373 <span class="keywordflow">else</span>
<a name="l00374"></a>00374 value = n1;
<a name="l00375"></a>00375
<a name="l00376"></a>00376 <span class="keywordflow">return</span> (<span class="keywordtype">int</span>)( value * 255 );
<a name="l00377"></a>00377 }
<a name="l00378"></a>00378
<a name="l00385"></a>00385 <span class="keywordtype">void</span> HLSTORGB ( uchar& hue, uchar& lightness, uchar& saturation )
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 <span class="keywordtype">double</span> h = hue;
<a name="l00388"></a>00388 <span class="keywordtype">double</span> l = lightness;
<a name="l00389"></a>00389 <span class="keywordtype">double</span> s = saturation;
<a name="l00390"></a>00390
<a name="l00391"></a>00391 <span class="keywordflow">if</span> ( s == 0 ) {
<a name="l00392"></a>00392 hue = (uchar)l;
<a name="l00393"></a>00393 lightness = (uchar)l;
<a name="l00394"></a>00394 saturation = (uchar)l;
<a name="l00395"></a>00395 }
<a name="l00396"></a>00396 <span class="keywordflow">else</span> {
<a name="l00397"></a>00397 <span class="keywordtype">double</span> m1, m2;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keywordflow">if</span> ( l < 128 )
<a name="l00400"></a>00400 m2 = ( l * ( 255 + s ) ) / 65025.;
<a name="l00401"></a>00401 <span class="keywordflow">else</span>
<a name="l00402"></a>00402 m2 = ( l + s - ( l * s ) / 255. ) / 255.;
<a name="l00403"></a>00403
<a name="l00404"></a>00404 m1 = ( l / 127.5 ) - m2;
<a name="l00405"></a>00405
<a name="l00406"></a>00406 hue = HLSVALUE( m1, m2, h + 85 );
<a name="l00407"></a>00407 lightness = HLSVALUE( m1, m2, h );
<a name="l00408"></a>00408 saturation = HLSVALUE( m1, m2, h - 85 );
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 <span class="preprocessor">#endif</span>
</pre></div></div>
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