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<div class="title">kiconeffect.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* vi: ts=8 sts=4 sw=4</span>
<a name="l00002"></a>00002 <span class="comment"> * $Id: kiconeffect.cpp 389958 2005-02-16 15:51:35Z gunnar $</span>
<a name="l00003"></a>00003 <span class="comment"> *</span>
<a name="l00004"></a>00004 <span class="comment"> * This file is part of the KDE project, module kdecore.</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2000 Geert Jansen <jansen@kde.org></span>
<a name="l00006"></a>00006 <span class="comment"> * with minor additions and based on ideas from</span>
<a name="l00007"></a>00007 <span class="comment"> * Torsten Rahn <torsten@kde.org></span>
<a name="l00008"></a>00008 <span class="comment"> *</span>
<a name="l00009"></a>00009 <span class="comment"> * This is free software; it comes under the GNU Library General</span>
<a name="l00010"></a>00010 <span class="comment"> * Public License, version 2. See the file "COPYING.LIB" for the</span>
<a name="l00011"></a>00011 <span class="comment"> * exact licensing terms.</span>
<a name="l00012"></a>00012 <span class="comment"> */</span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include <config.h></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <unistd.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#include <math.h></span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include <qstring.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <qstringlist.h></span>
<a name="l00020"></a>00020 <span class="preprocessor">#include <qbitmap.h></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include <qpixmap.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <qimage.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <qcolor.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <qwidget.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <qpainter.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <qpen.h></span>
<a name="l00027"></a>00027
<a name="l00028"></a>00028 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <kglobalsettings.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <kicontheme.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include "kiconeffect.h"</span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#if defined(Q_WS_WIN) || defined(Q_WS_MACX)</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">bool</span> qt_use_xrender=<span class="keyword">true</span>;
<a name="l00037"></a>00037 <span class="keyword">static</span> <span class="keywordtype">bool</span> qt_has_xft=<span class="keyword">true</span>;
<a name="l00038"></a>00038 <span class="preprocessor">#else</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="keywordtype">bool</span> qt_use_xrender;
<a name="l00040"></a>00040 <span class="keyword">extern</span> <span class="keywordtype">bool</span> qt_has_xft;
<a name="l00041"></a>00041 <span class="preprocessor">#endif</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="keyword">class </span>KIconEffectPrivate
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 <span class="keyword">public</span>:
<a name="l00045"></a>00045 <a class="codeRef" href="qstring.html">QString</a> mKey[6][3];
<a name="l00046"></a>00046 <a class="codeRef" href="qcolor.html">QColor</a> mColor2[6][3];
<a name="l00047"></a>00047 };
<a name="l00048"></a>00048
<a name="l00049"></a><a class="code" href="classKIconEffect.html#ad66bda6dfd9dc12f30af73f3eae4a724">00049</a> <a class="code" href="classKIconEffect.html#ad66bda6dfd9dc12f30af73f3eae4a724" title="Create a new KIconEffect.">KIconEffect::KIconEffect</a>()
<a name="l00050"></a>00050 {
<a name="l00051"></a>00051 d = <span class="keyword">new</span> KIconEffectPrivate;
<a name="l00052"></a>00052 <a class="code" href="classKIconEffect.html#aa8355c2c8ec73e7aa6420b6c8da08efb" title="Rereads configuration.">init</a>();
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055 KIconEffect::~KIconEffect()
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 <span class="keyword">delete</span> d;
<a name="l00058"></a>00058 d = 0L;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a><a class="code" href="classKIconEffect.html#aa8355c2c8ec73e7aa6420b6c8da08efb">00061</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#aa8355c2c8ec73e7aa6420b6c8da08efb" title="Rereads configuration.">KIconEffect::init</a>()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 <a class="code" href="classKConfig.html" title="Access KDE Configuration entries.">KConfig</a> *config = <a class="code" href="classKGlobal.html#a71532b4619923ec5f7779c5f0065e6e7" title="Returns the general config object.">KGlobal::config</a>();
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="keywordtype">int</span> i, j, effect=-1;
<a name="l00066"></a>00066 <a class="codeRef" href="qstringlist.html">QStringList</a> groups;
<a name="l00067"></a>00067 groups += <span class="stringliteral">"Desktop"</span>;
<a name="l00068"></a>00068 groups += <span class="stringliteral">"Toolbar"</span>;
<a name="l00069"></a>00069 groups += <span class="stringliteral">"MainToolbar"</span>;
<a name="l00070"></a>00070 groups += <span class="stringliteral">"Small"</span>;
<a name="l00071"></a>00071 groups += <span class="stringliteral">"Panel"</span>;
<a name="l00072"></a>00072
<a name="l00073"></a>00073 <a class="codeRef" href="qstringlist.html">QStringList</a> states;
<a name="l00074"></a>00074 states += <span class="stringliteral">"Default"</span>;
<a name="l00075"></a>00075 states += <span class="stringliteral">"Active"</span>;
<a name="l00076"></a>00076 states += <span class="stringliteral">"Disabled"</span>;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 QStringList::ConstIterator it, it2;
<a name="l00079"></a>00079 <a class="codeRef" href="qstring.html">QString</a> _togray(<span class="stringliteral">"togray"</span>);
<a name="l00080"></a>00080 <a class="codeRef" href="qstring.html">QString</a> _colorize(<span class="stringliteral">"colorize"</span>);
<a name="l00081"></a>00081 <a class="codeRef" href="qstring.html">QString</a> _desaturate(<span class="stringliteral">"desaturate"</span>);
<a name="l00082"></a>00082 <a class="codeRef" href="qstring.html">QString</a> _togamma(<span class="stringliteral">"togamma"</span>);
<a name="l00083"></a>00083 <a class="codeRef" href="qstring.html">QString</a> _none(<span class="stringliteral">"none"</span>);
<a name="l00084"></a>00084 <a class="codeRef" href="qstring.html">QString</a> _tomonochrome(<span class="stringliteral">"tomonochrome"</span>);
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <a class="code" href="classKConfigGroupSaver.html" title="Helper class to facilitate working with KConfig / KSimpleConfig groups.">KConfigGroupSaver</a> cs(config, <span class="stringliteral">"default"</span>);
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordflow">for</span> (it=groups.begin(), i=0; it!=groups.end(); it++, i++)
<a name="l00089"></a>00089 {
<a name="l00090"></a>00090 <span class="comment">// Default effects</span>
<a name="l00091"></a>00091 mEffect[i][0] = NoEffect;
<a name="l00092"></a>00092 mEffect[i][1] = ((i==0)||(i==4)) ? ToGamma : NoEffect;
<a name="l00093"></a>00093 mEffect[i][2] = ToGray;
<a name="l00094"></a>00094
<a name="l00095"></a>00095 mTrans[i][0] = <span class="keyword">false</span>;
<a name="l00096"></a>00096 mTrans[i][1] = <span class="keyword">false</span>;
<a name="l00097"></a>00097 mTrans[i][2] = <span class="keyword">true</span>;
<a name="l00098"></a>00098 mValue[i][0] = 1.0;
<a name="l00099"></a>00099 mValue[i][1] = ((i==0)||(i==4)) ? 0.7 : 1.0;
<a name="l00100"></a>00100 mValue[i][2] = 1.0;
<a name="l00101"></a>00101 mColor[i][0] = <a class="codeRef" href="qcolor.html">QColor</a>(144,128,248);
<a name="l00102"></a>00102 mColor[i][1] = <a class="codeRef" href="qcolor.html">QColor</a>(169,156,255);
<a name="l00103"></a>00103 mColor[i][2] = <a class="codeRef" href="qcolor.html">QColor</a>(34,202,0);
<a name="l00104"></a>00104 d->mColor2[i][0] = <a class="codeRef" href="qcolor.html">QColor</a>(0,0,0);
<a name="l00105"></a>00105 d->mColor2[i][1] = <a class="codeRef" href="qcolor.html">QColor</a>(0,0,0);
<a name="l00106"></a>00106 d->mColor2[i][2] = <a class="codeRef" href="qcolor.html">QColor</a>(0,0,0);
<a name="l00107"></a>00107
<a name="l00108"></a>00108 config-><a class="code" href="classKConfigBase.html#a1754e470553c9f9ac2556a9d63ce61c9" title="Specifies the group in which keys will be read and written.">setGroup</a>(*it + <span class="stringliteral">"Icons"</span>);
<a name="l00109"></a>00109 <span class="keywordflow">for</span> (it2=states.begin(), j=0; it2!=states.end(); it2++, j++)
<a name="l00110"></a>00110 {
<a name="l00111"></a>00111 <a class="codeRef" href="qstring.html">QString</a> tmp = config-><a class="code" href="classKConfigBase.html#a955d1210aeb86d7ec5265557333ab338" title="Reads the value of an entry specified by pKey in the current group.">readEntry</a>(*it2 + <span class="stringliteral">"Effect"</span>);
<a name="l00112"></a>00112 <span class="keywordflow">if</span> (tmp == _togray)
<a name="l00113"></a>00113 effect = ToGray;
<a name="l00114"></a>00114 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tmp == _colorize)
<a name="l00115"></a>00115 effect = Colorize;
<a name="l00116"></a>00116 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tmp == _desaturate)
<a name="l00117"></a>00117 effect = DeSaturate;
<a name="l00118"></a>00118 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tmp == _togamma)
<a name="l00119"></a>00119 effect = ToGamma;
<a name="l00120"></a>00120 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tmp == _tomonochrome)
<a name="l00121"></a>00121 effect = <a class="code" href="classKIconEffect.html#a9f687f75aa580ab5a3b55f5cf529e1a0a910ec5f3663a5f36dca8815a5dfdf5c3">ToMonochrome</a>;
<a name="l00122"></a>00122 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (tmp == _none)
<a name="l00123"></a>00123 effect = NoEffect;
<a name="l00124"></a>00124 <span class="keywordflow">else</span>
<a name="l00125"></a>00125 <span class="keywordflow">continue</span>;
<a name="l00126"></a>00126 <span class="keywordflow">if</span>(effect != -1)
<a name="l00127"></a>00127 mEffect[i][j] = effect;
<a name="l00128"></a>00128 mValue[i][j] = config-><a class="code" href="classKConfigBase.html#a877bdba4d30ff2206d2affed5c11d25e" title="Reads a floating point value.">readDoubleNumEntry</a>(*it2 + <span class="stringliteral">"Value"</span>);
<a name="l00129"></a>00129 mColor[i][j] = config-><a class="code" href="classKConfigBase.html#a310ea3bbe5cf3e5dd3efd82ccc6ef16f" title="Reads a QColor entry.">readColorEntry</a>(*it2 + <span class="stringliteral">"Color"</span>);
<a name="l00130"></a>00130 d->mColor2[i][j] = config-><a class="code" href="classKConfigBase.html#a310ea3bbe5cf3e5dd3efd82ccc6ef16f" title="Reads a QColor entry.">readColorEntry</a>(*it2 + <span class="stringliteral">"Color2"</span>);
<a name="l00131"></a>00131 mTrans[i][j] = config-><a class="code" href="classKConfigBase.html#a515c85fb1b7b3ddab4c6612cdb67bf74" title="Reads a boolean entry.">readBoolEntry</a>(*it2 + <span class="stringliteral">"SemiTransparent"</span>);
<a name="l00132"></a>00132
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135 }
<a name="l00136"></a>00136
<a name="l00137"></a><a class="code" href="classKIconEffect.html#ab57eab2cf96881ebff00808f89065510">00137</a> <span class="keywordtype">bool</span> <a class="code" href="classKIconEffect.html#ab57eab2cf96881ebff00808f89065510" title="Tests whether an effect has been configured for the given icon group.">KIconEffect::hasEffect</a>(<span class="keywordtype">int</span> group, <span class="keywordtype">int</span> state)<span class="keyword"> const</span>
<a name="l00138"></a>00138 <span class="keyword"></span>{
<a name="l00139"></a>00139 <span class="keywordflow">return</span> mEffect[group][state] != NoEffect;
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a><a class="code" href="classKIconEffect.html#a79b09b88975b7b8e7dae8818d0321e68">00142</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKIconEffect.html#a79b09b88975b7b8e7dae8818d0321e68" title="Returns a fingerprint for the effect by encoding the given group and state into a QString...">KIconEffect::fingerprint</a>(<span class="keywordtype">int</span> group, <span class="keywordtype">int</span> state)<span class="keyword"> const</span>
<a name="l00143"></a>00143 <span class="keyword"></span>{
<a name="l00144"></a>00144 <span class="keywordflow">if</span> ( group >= <a class="code" href="classKIcon.html#a20145b9c0aecf124fadc35cd30c18f82a001f265808350ddaa8a253dc8f0a8eb6" title="Last group.">KIcon::LastGroup</a> ) <span class="keywordflow">return</span> <span class="stringliteral">""</span>;
<a name="l00145"></a>00145 <a class="codeRef" href="qstring.html">QString</a> cached = d->mKey[group][state];
<a name="l00146"></a>00146 <span class="keywordflow">if</span> (cached.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00147"></a>00147 {
<a name="l00148"></a>00148 <a class="codeRef" href="qstring.html">QString</a> tmp;
<a name="l00149"></a>00149 cached = tmp.<a class="codeRef" href="qstring.html#setNum">setNum</a>(mEffect[group][state]);
<a name="l00150"></a>00150 cached += <span class="charliteral">':'</span>;
<a name="l00151"></a>00151 cached += tmp.<a class="codeRef" href="qstring.html#setNum">setNum</a>(mValue[group][state]);
<a name="l00152"></a>00152 cached += <span class="charliteral">':'</span>;
<a name="l00153"></a>00153 cached += mTrans[group][state] ? <a class="codeRef" href="qstring.html#fromLatin1">QString::fromLatin1</a>(<span class="stringliteral">"trans"</span>)
<a name="l00154"></a>00154 : QString::fromLatin1(<span class="stringliteral">"notrans"</span>);
<a name="l00155"></a>00155 <span class="keywordflow">if</span> (mEffect[group][state] == Colorize || mEffect[group][state] == <a class="code" href="classKIconEffect.html#a9f687f75aa580ab5a3b55f5cf529e1a0a910ec5f3663a5f36dca8815a5dfdf5c3">ToMonochrome</a>)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 cached += <span class="charliteral">':'</span>;
<a name="l00158"></a>00158 cached += mColor[group][state].<a class="codeRef" href="qcolor.html#name">name</a>();
<a name="l00159"></a>00159 }
<a name="l00160"></a>00160 <span class="keywordflow">if</span> (mEffect[group][state] == <a class="code" href="classKIconEffect.html#a9f687f75aa580ab5a3b55f5cf529e1a0a910ec5f3663a5f36dca8815a5dfdf5c3">ToMonochrome</a>)
<a name="l00161"></a>00161 {
<a name="l00162"></a>00162 cached += <span class="charliteral">':'</span>;
<a name="l00163"></a>00163 cached += d->mColor2[group][state].name();
<a name="l00164"></a>00164 }
<a name="l00165"></a>00165
<a name="l00166"></a>00166 d->mKey[group][state] = cached;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00169"></a>00169 <span class="keywordflow">return</span> cached;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171
<a name="l00172"></a><a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f">00172</a> <a class="codeRef" href="qimage.html">QImage</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qimage.html">QImage</a> image, <span class="keywordtype">int</span> group, <span class="keywordtype">int</span> state)<span class="keyword"> const</span>
<a name="l00173"></a>00173 <span class="keyword"></span>{
<a name="l00174"></a>00174 <span class="keywordflow">if</span> (state >= <a class="code" href="classKIcon.html#a19ccee347f9701d5daac1db3896021faad2635ae05e399ef074b4588dc95cb26a" title="Last state (last constant)">KIcon::LastState</a>)
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 kdDebug(265) << <span class="stringliteral">"Illegal icon state: "</span> << state << <span class="stringliteral">"\n"</span>;
<a name="l00177"></a>00177 <span class="keywordflow">return</span> image;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179 <span class="keywordflow">if</span> (group >= <a class="code" href="classKIcon.html#a20145b9c0aecf124fadc35cd30c18f82a001f265808350ddaa8a253dc8f0a8eb6" title="Last group.">KIcon::LastGroup</a>)
<a name="l00180"></a>00180 {
<a name="l00181"></a>00181 kdDebug(265) << <span class="stringliteral">"Illegal icon group: "</span> << group << <span class="stringliteral">"\n"</span>;
<a name="l00182"></a>00182 <span class="keywordflow">return</span> image;
<a name="l00183"></a>00183 }
<a name="l00184"></a>00184 <span class="keywordflow">return</span> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">apply</a>(image, mEffect[group][state], mValue[group][state],
<a name="l00185"></a>00185 mColor[group][state], d->mColor2[group][state], mTrans[group][state]);
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a><a class="code" href="classKIconEffect.html#adf2be67ab2d4bdd7581194b753b93746">00188</a> <a class="codeRef" href="qimage.html">QImage</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qimage.html">QImage</a> image, <span class="keywordtype">int</span> effect, <span class="keywordtype">float</span> value, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col, <span class="keywordtype">bool</span> trans)<span class="keyword"> const</span>
<a name="l00189"></a>00189 <span class="keyword"></span>{
<a name="l00190"></a>00190 <span class="keywordflow">return</span> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">apply</a> (image, effect, value, col, <a class="code" href="classKGlobalSettings.html#a4f17b6aa9a4b75cbc14aa11f311e472e" title="Returns the default base (background) color.">KGlobalSettings::baseColor</a>(), trans);
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a><a class="code" href="classKIconEffect.html#ad2a55ba912a68f33bb45fae01d197ee4">00193</a> <a class="codeRef" href="qimage.html">QImage</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qimage.html">QImage</a> image, <span class="keywordtype">int</span> effect, <span class="keywordtype">float</span> value, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col2, <span class="keywordtype">bool</span> trans)<span class="keyword"> const</span>
<a name="l00194"></a>00194 <span class="keyword"></span>{
<a name="l00195"></a>00195 <span class="keywordflow">if</span> (effect >= LastEffect )
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 kdDebug(265) << <span class="stringliteral">"Illegal icon effect: "</span> << effect << <span class="stringliteral">"\n"</span>;
<a name="l00198"></a>00198 <span class="keywordflow">return</span> image;
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200 <span class="keywordflow">if</span> (value > 1.0)
<a name="l00201"></a>00201 value = 1.0;
<a name="l00202"></a>00202 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (value < 0.0)
<a name="l00203"></a>00203 value = 0.0;
<a name="l00204"></a>00204 <span class="keywordflow">switch</span> (effect)
<a name="l00205"></a>00205 {
<a name="l00206"></a>00206 <span class="keywordflow">case</span> ToGray:
<a name="l00207"></a>00207 <a class="code" href="classKIconEffect.html#a48224e73b12f2e95c0fe38b03ca465f1" title="Tints an image gray.">toGray</a>(image, value);
<a name="l00208"></a>00208 <span class="keywordflow">break</span>;
<a name="l00209"></a>00209 <span class="keywordflow">case</span> DeSaturate:
<a name="l00210"></a>00210 <a class="code" href="classKIconEffect.html#aed63962972030547863524e4015b4abc" title="Desaturates an image.">deSaturate</a>(image, value);
<a name="l00211"></a>00211 <span class="keywordflow">break</span>;
<a name="l00212"></a>00212 <span class="keywordflow">case</span> Colorize:
<a name="l00213"></a>00213 <a class="code" href="classKIconEffect.html#a9f469a5ce425499cfb6b589b3ac567db" title="Colorizes an image with a specific color.">colorize</a>(image, col, value);
<a name="l00214"></a>00214 <span class="keywordflow">break</span>;
<a name="l00215"></a>00215 <span class="keywordflow">case</span> ToGamma:
<a name="l00216"></a>00216 <a class="code" href="classKIconEffect.html#addb402a96c86c7aa0377c8a1b8d14c72" title="Changes the gamma value of an image.">toGamma</a>(image, value);
<a name="l00217"></a>00217 <span class="keywordflow">break</span>;
<a name="l00218"></a>00218 <span class="keywordflow">case</span> <a class="code" href="classKIconEffect.html#a9f687f75aa580ab5a3b55f5cf529e1a0a910ec5f3663a5f36dca8815a5dfdf5c3">ToMonochrome</a>:
<a name="l00219"></a>00219 <a class="code" href="classKIconEffect.html#ade03a4a6771a4d607ccf1d21ee1241af" title="Produces a monochrome icon with a given foreground and background color.">toMonochrome</a>(image, col, col2, value);
<a name="l00220"></a>00220 <span class="keywordflow">break</span>;
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (trans == <span class="keyword">true</span>)
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 <a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46" title="Renders an image semi-transparent.">semiTransparent</a>(image);
<a name="l00225"></a>00225 }
<a name="l00226"></a>00226 <span class="keywordflow">return</span> image;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a><a class="code" href="classKIconEffect.html#a594bb3649ab1ce3df80188fa575ebe07">00229</a> <a class="codeRef" href="qpixmap.html">QPixmap</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qpixmap.html">QPixmap</a> pixmap, <span class="keywordtype">int</span> group, <span class="keywordtype">int</span> state)<span class="keyword"> const</span>
<a name="l00230"></a>00230 <span class="keyword"></span>{
<a name="l00231"></a>00231 <span class="keywordflow">if</span> (state >= <a class="code" href="classKIcon.html#a19ccee347f9701d5daac1db3896021faad2635ae05e399ef074b4588dc95cb26a" title="Last state (last constant)">KIcon::LastState</a>)
<a name="l00232"></a>00232 {
<a name="l00233"></a>00233 kdDebug(265) << <span class="stringliteral">"Illegal icon state: "</span> << state << <span class="stringliteral">"\n"</span>;
<a name="l00234"></a>00234 <span class="keywordflow">return</span> pixmap;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236 <span class="keywordflow">if</span> (group >= <a class="code" href="classKIcon.html#a20145b9c0aecf124fadc35cd30c18f82a001f265808350ddaa8a253dc8f0a8eb6" title="Last group.">KIcon::LastGroup</a>)
<a name="l00237"></a>00237 {
<a name="l00238"></a>00238 kdDebug(265) << <span class="stringliteral">"Illegal icon group: "</span> << group << <span class="stringliteral">"\n"</span>;
<a name="l00239"></a>00239 <span class="keywordflow">return</span> pixmap;
<a name="l00240"></a>00240 }
<a name="l00241"></a>00241 <span class="keywordflow">return</span> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">apply</a>(pixmap, mEffect[group][state], mValue[group][state],
<a name="l00242"></a>00242 mColor[group][state], d->mColor2[group][state], mTrans[group][state]);
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a><a class="code" href="classKIconEffect.html#aa499546e4d40d8f18f8059bb97201a0c">00245</a> <a class="codeRef" href="qpixmap.html">QPixmap</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qpixmap.html">QPixmap</a> pixmap, <span class="keywordtype">int</span> effect, <span class="keywordtype">float</span> value,
<a name="l00246"></a>00246 <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col, <span class="keywordtype">bool</span> trans)<span class="keyword"> const</span>
<a name="l00247"></a>00247 <span class="keyword"></span>{
<a name="l00248"></a>00248 <span class="keywordflow">return</span> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">apply</a> (pixmap, effect, value, col, <a class="code" href="classKGlobalSettings.html#a4f17b6aa9a4b75cbc14aa11f311e472e" title="Returns the default base (background) color.">KGlobalSettings::baseColor</a>(), trans);
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a><a class="code" href="classKIconEffect.html#a865ca6de30dc5b5b41a23e6c2d66d52c">00251</a> <a class="codeRef" href="qpixmap.html">QPixmap</a> <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">KIconEffect::apply</a>(<a class="codeRef" href="qpixmap.html">QPixmap</a> pixmap, <span class="keywordtype">int</span> effect, <span class="keywordtype">float</span> value,
<a name="l00252"></a>00252 <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> col2, <span class="keywordtype">bool</span> trans)<span class="keyword"> const</span>
<a name="l00253"></a>00253 <span class="keyword"></span>{
<a name="l00254"></a>00254 <a class="codeRef" href="qpixmap.html">QPixmap</a> result;
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="keywordflow">if</span> (effect >= LastEffect )
<a name="l00257"></a>00257 {
<a name="l00258"></a>00258 kdDebug(265) << <span class="stringliteral">"Illegal icon effect: "</span> << effect << <span class="stringliteral">"\n"</span>;
<a name="l00259"></a>00259 <span class="keywordflow">return</span> result;
<a name="l00260"></a>00260 }
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="keywordflow">if</span> ((trans == <span class="keyword">true</span>) && (effect == NoEffect))
<a name="l00263"></a>00263 {
<a name="l00264"></a>00264 result = pixmap;
<a name="l00265"></a>00265 <a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46" title="Renders an image semi-transparent.">semiTransparent</a>(result);
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( effect != NoEffect )
<a name="l00268"></a>00268 {
<a name="l00269"></a>00269 <a class="codeRef" href="qimage.html">QImage</a> tmpImg = pixmap.<a class="codeRef" href="qpixmap.html#convertToImage">convertToImage</a>();
<a name="l00270"></a>00270 tmpImg = <a class="code" href="classKIconEffect.html#a79655503e00d5c5c49bff5173197582f" title="Applies an effect to an image.">apply</a>(tmpImg, effect, value, col, col2, trans);
<a name="l00271"></a>00271 result.<a class="codeRef" href="qpixmap.html#convertFromImage">convertFromImage</a>(tmpImg);
<a name="l00272"></a>00272 }
<a name="l00273"></a>00273 <span class="keywordflow">else</span>
<a name="l00274"></a>00274 result = pixmap;
<a name="l00275"></a>00275
<a name="l00276"></a>00276 <span class="keywordflow">return</span> result;
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="comment">// Taken from KImageEffect. We don't want to link kdecore to kdeui! As long</span>
<a name="l00280"></a>00280 <span class="comment">// as this code is not too big, it doesn't seem much of a problem to me.</span>
<a name="l00281"></a>00281
<a name="l00282"></a><a class="code" href="classKIconEffect.html#a48224e73b12f2e95c0fe38b03ca465f1">00282</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#a48224e73b12f2e95c0fe38b03ca465f1" title="Tints an image gray.">KIconEffect::toGray</a>(<a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keywordtype">float</span> value)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 <span class="keywordtype">int</span> pixels = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? img.<a class="codeRef" href="qimage.html#width">width</a>()*img.<a class="codeRef" href="qimage.html#height">height</a>()
<a name="l00285"></a>00285 : img.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00286"></a>00286 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data = img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8 ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#bits">bits</a>()
<a name="l00287"></a>00287 : (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>();
<a name="l00288"></a>00288 <span class="keywordtype">int</span> rval, gval, bval, val, alpha, i;
<a name="l00289"></a>00289 <span class="keywordflow">for</span> (i=0; i<pixels; i++)
<a name="l00290"></a>00290 {
<a name="l00291"></a>00291 val = qGray(data[i]);
<a name="l00292"></a>00292 alpha = qAlpha(data[i]);
<a name="l00293"></a>00293 <span class="keywordflow">if</span> (value < 1.0)
<a name="l00294"></a>00294 {
<a name="l00295"></a>00295 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*val+(1.0-value)*qRed(data[i]));
<a name="l00296"></a>00296 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*val+(1.0-value)*qGreen(data[i]));
<a name="l00297"></a>00297 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*val+(1.0-value)*qBlue(data[i]));
<a name="l00298"></a>00298 data[i] = qRgba(rval, gval, bval, alpha);
<a name="l00299"></a>00299 } <span class="keywordflow">else</span>
<a name="l00300"></a>00300 data[i] = qRgba(val, val, val, alpha);
<a name="l00301"></a>00301 }
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303
<a name="l00304"></a><a class="code" href="classKIconEffect.html#a9f469a5ce425499cfb6b589b3ac567db">00304</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#a9f469a5ce425499cfb6b589b3ac567db" title="Colorizes an image with a specific color.">KIconEffect::colorize</a>(<a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> &col, <span class="keywordtype">float</span> value)
<a name="l00305"></a>00305 {
<a name="l00306"></a>00306 <span class="keywordtype">int</span> pixels = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? img.<a class="codeRef" href="qimage.html#width">width</a>()*img.<a class="codeRef" href="qimage.html#height">height</a>()
<a name="l00307"></a>00307 : img.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00308"></a>00308 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data = img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8 ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#bits">bits</a>()
<a name="l00309"></a>00309 : (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>();
<a name="l00310"></a>00310 <span class="keywordtype">int</span> rval, gval, bval, val, alpha, i;
<a name="l00311"></a>00311 <span class="keywordtype">float</span> rcol = col.<a class="codeRef" href="qcolor.html#red">red</a>(), gcol = col.<a class="codeRef" href="qcolor.html#green">green</a>(), bcol = col.<a class="codeRef" href="qcolor.html#blue">blue</a>();
<a name="l00312"></a>00312 <span class="keywordflow">for</span> (i=0; i<pixels; i++)
<a name="l00313"></a>00313 {
<a name="l00314"></a>00314 val = qGray(data[i]);
<a name="l00315"></a>00315 <span class="keywordflow">if</span> (val < 128)
<a name="l00316"></a>00316 {
<a name="l00317"></a>00317 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(rcol/128*val);
<a name="l00318"></a>00318 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(gcol/128*val);
<a name="l00319"></a>00319 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(bcol/128*val);
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (val > 128)
<a name="l00322"></a>00322 {
<a name="l00323"></a>00323 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>((val-128)*(2-rcol/128)+rcol-1);
<a name="l00324"></a>00324 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>((val-128)*(2-gcol/128)+gcol-1);
<a name="l00325"></a>00325 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>((val-128)*(2-bcol/128)+bcol-1);
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327 <span class="keywordflow">else</span> <span class="comment">// val == 128</span>
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(rcol);
<a name="l00330"></a>00330 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(gcol);
<a name="l00331"></a>00331 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(bcol);
<a name="l00332"></a>00332 }
<a name="l00333"></a>00333 <span class="keywordflow">if</span> (value < 1.0)
<a name="l00334"></a>00334 {
<a name="l00335"></a>00335 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*rval+(1.0 - value)*qRed(data[i]));
<a name="l00336"></a>00336 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*gval+(1.0 - value)*qGreen(data[i]));
<a name="l00337"></a>00337 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*bval+(1.0 - value)*qBlue(data[i]));
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 alpha = qAlpha(data[i]);
<a name="l00341"></a>00341 data[i] = qRgba(rval, gval, bval, alpha);
<a name="l00342"></a>00342 }
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344
<a name="l00345"></a><a class="code" href="classKIconEffect.html#ade03a4a6771a4d607ccf1d21ee1241af">00345</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#ade03a4a6771a4d607ccf1d21ee1241af" title="Produces a monochrome icon with a given foreground and background color.">KIconEffect::toMonochrome</a>(<a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> &black, <span class="keyword">const</span> <a class="codeRef" href="qcolor.html">QColor</a> &white, <span class="keywordtype">float</span> value) {
<a name="l00346"></a>00346 <span class="keywordtype">int</span> pixels = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? img.<a class="codeRef" href="qimage.html#width">width</a>()*img.<a class="codeRef" href="qimage.html#height">height</a>() : img.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00347"></a>00347 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data = img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8 ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#bits">bits</a>()
<a name="l00348"></a>00348 : (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>();
<a name="l00349"></a>00349 <span class="keywordtype">int</span> rval, gval, bval, alpha, i;
<a name="l00350"></a>00350 <span class="keywordtype">int</span> rw = white.<a class="codeRef" href="qcolor.html#red">red</a>(), gw = white.<a class="codeRef" href="qcolor.html#green">green</a>(), bw = white.<a class="codeRef" href="qcolor.html#blue">blue</a>();
<a name="l00351"></a>00351 <span class="keywordtype">int</span> rb = black.<a class="codeRef" href="qcolor.html#red">red</a>(), gb = black.<a class="codeRef" href="qcolor.html#green">green</a>(), bb = black.<a class="codeRef" href="qcolor.html#blue">blue</a>();
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="keywordtype">double</span> values = 0, sum = 0;
<a name="l00354"></a>00354 <span class="keywordtype">bool</span> grayscale = <span class="keyword">true</span>;
<a name="l00355"></a>00355 <span class="comment">// Step 1: determine the average brightness</span>
<a name="l00356"></a>00356 <span class="keywordflow">for</span> (i=0; i<pixels; i++) {
<a name="l00357"></a>00357 sum += qGray(data[i])*qAlpha(data[i]) + 255*(255-qAlpha(data[i]));
<a name="l00358"></a>00358 values += 255;
<a name="l00359"></a>00359 <span class="keywordflow">if</span> ((qRed(data[i]) != qGreen(data[i]) ) || (qGreen(data[i]) != qBlue(data[i]) ))
<a name="l00360"></a>00360 grayscale = <span class="keyword">false</span>;
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 <span class="keywordtype">double</span> medium = sum/values;
<a name="l00363"></a>00363
<a name="l00364"></a>00364 <span class="comment">// Step 2: Modify the image</span>
<a name="l00365"></a>00365 <span class="keywordflow">if</span> (grayscale) {
<a name="l00366"></a>00366 <span class="keywordflow">for</span> (i=0; i<pixels; i++) {
<a name="l00367"></a>00367 <span class="keywordtype">int</span> v = qRed(data[i]);
<a name="l00368"></a>00368 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>( ((255-v)*rb + v*rw)*value/255 + (1.0-value)*qRed(data[i]));
<a name="l00369"></a>00369 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>( ((255-v)*gb + v*gw)*value/255 + (1.0-value)*qGreen(data[i]));
<a name="l00370"></a>00370 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>( ((255-v)*bb + v*bw)*value/255 + (1.0-value)*qBlue(data[i]));
<a name="l00371"></a>00371
<a name="l00372"></a>00372 alpha = qAlpha(data[i]);
<a name="l00373"></a>00373 data[i] = qRgba(rval, gval, bval, alpha);
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375 }
<a name="l00376"></a>00376 <span class="keywordflow">else</span> {
<a name="l00377"></a>00377 <span class="keywordflow">for</span> (i=0; i<pixels; i++) {
<a name="l00378"></a>00378 <span class="keywordflow">if</span> (qGray(data[i]) <= medium) {
<a name="l00379"></a>00379 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*rb+(1.0-value)*qRed(data[i]));
<a name="l00380"></a>00380 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*gb+(1.0-value)*qGreen(data[i]));
<a name="l00381"></a>00381 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*bb+(1.0-value)*qBlue(data[i]));
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 <span class="keywordflow">else</span> {
<a name="l00384"></a>00384 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*rw+(1.0-value)*qRed(data[i]));
<a name="l00385"></a>00385 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*gw+(1.0-value)*qGreen(data[i]));
<a name="l00386"></a>00386 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(value*bw+(1.0-value)*qBlue(data[i]));
<a name="l00387"></a>00387 }
<a name="l00388"></a>00388
<a name="l00389"></a>00389 alpha = qAlpha(data[i]);
<a name="l00390"></a>00390 data[i] = qRgba(rval, gval, bval, alpha);
<a name="l00391"></a>00391 }
<a name="l00392"></a>00392 }
<a name="l00393"></a>00393 }
<a name="l00394"></a>00394
<a name="l00395"></a><a class="code" href="classKIconEffect.html#aed63962972030547863524e4015b4abc">00395</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#aed63962972030547863524e4015b4abc" title="Desaturates an image.">KIconEffect::deSaturate</a>(<a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keywordtype">float</span> value)
<a name="l00396"></a>00396 {
<a name="l00397"></a>00397 <span class="keywordtype">int</span> pixels = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? img.<a class="codeRef" href="qimage.html#width">width</a>()*img.<a class="codeRef" href="qimage.html#height">height</a>()
<a name="l00398"></a>00398 : img.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00399"></a>00399 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#bits">bits</a>()
<a name="l00400"></a>00400 : (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>();
<a name="l00401"></a>00401 <a class="codeRef" href="qcolor.html">QColor</a> color;
<a name="l00402"></a>00402 <span class="keywordtype">int</span> h, s, v, i;
<a name="l00403"></a>00403 <span class="keywordflow">for</span> (i=0; i<pixels; i++)
<a name="l00404"></a>00404 {
<a name="l00405"></a>00405 color.<a class="codeRef" href="qcolor.html#setRgb">setRgb</a>(data[i]);
<a name="l00406"></a>00406 color.<a class="codeRef" href="qcolor.html#hsv">hsv</a>(&h, &s, &v);
<a name="l00407"></a>00407 color.<a class="codeRef" href="qcolor.html#setHsv">setHsv</a>(h, (<span class="keywordtype">int</span>) (s * (1.0 - value) + 0.5), v);
<a name="l00408"></a>00408 data[i] = qRgba(color.<a class="codeRef" href="qcolor.html#red">red</a>(), color.<a class="codeRef" href="qcolor.html#green">green</a>(), color.<a class="codeRef" href="qcolor.html#blue">blue</a>(),
<a name="l00409"></a>00409 qAlpha(data[i]));
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412
<a name="l00413"></a><a class="code" href="classKIconEffect.html#addb402a96c86c7aa0377c8a1b8d14c72">00413</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#addb402a96c86c7aa0377c8a1b8d14c72" title="Changes the gamma value of an image.">KIconEffect::toGamma</a>(<a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keywordtype">float</span> value)
<a name="l00414"></a>00414 {
<a name="l00415"></a>00415 <span class="keywordtype">int</span> pixels = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? img.<a class="codeRef" href="qimage.html#width">width</a>()*img.<a class="codeRef" href="qimage.html#height">height</a>()
<a name="l00416"></a>00416 : img.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00417"></a>00417 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *data = (img.<a class="codeRef" href="qimage.html#depth">depth</a>() > 8) ? (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#bits">bits</a>()
<a name="l00418"></a>00418 : (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> *) img.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>();
<a name="l00419"></a>00419 <a class="codeRef" href="qcolor.html">QColor</a> color;
<a name="l00420"></a>00420 <span class="keywordtype">int</span> i, rval, gval, bval;
<a name="l00421"></a>00421 <span class="keywordtype">float</span> gamma;
<a name="l00422"></a>00422 gamma = 1/(2*value+0.5);
<a name="l00423"></a>00423
<a name="l00424"></a>00424 <span class="keywordflow">for</span> (i=0; i<pixels; i++)
<a name="l00425"></a>00425 {
<a name="l00426"></a>00426 color.<a class="codeRef" href="qcolor.html#setRgb">setRgb</a>(data[i]);
<a name="l00427"></a>00427 color.<a class="codeRef" href="qcolor.html#rgb">rgb</a>(&rval, &gval, &bval);
<a name="l00428"></a>00428 rval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(pow(static_cast<float>(rval)/255 , gamma)*255);
<a name="l00429"></a>00429 gval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(pow(static_cast<float>(gval)/255 , gamma)*255);
<a name="l00430"></a>00430 bval = <span class="keyword">static_cast<</span><span class="keywordtype">int</span><span class="keyword">></span>(pow(static_cast<float>(bval)/255 , gamma)*255);
<a name="l00431"></a>00431 data[i] = qRgba(rval, gval, bval, qAlpha(data[i]));
<a name="l00432"></a>00432 }
<a name="l00433"></a>00433 }
<a name="l00434"></a>00434
<a name="l00435"></a><a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46">00435</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46" title="Renders an image semi-transparent.">KIconEffect::semiTransparent</a>(<a class="codeRef" href="qimage.html">QImage</a> &img)
<a name="l00436"></a>00436 {
<a name="l00437"></a>00437 img.<a class="codeRef" href="qimage.html#setAlphaBuffer">setAlphaBuffer</a>(<span class="keyword">true</span>);
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordtype">int</span> x, y;
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (img.<a class="codeRef" href="qimage.html#depth">depth</a>() == 32)
<a name="l00441"></a>00441 {
<a name="l00442"></a>00442 <span class="keywordtype">int</span> width = img.<a class="codeRef" href="qimage.html#width">width</a>();
<a name="l00443"></a>00443 <span class="keywordtype">int</span> height = img.<a class="codeRef" href="qimage.html#height">height</a>();
<a name="l00444"></a>00444
<a name="l00445"></a>00445 <span class="keywordflow">if</span> (qt_use_xrender && qt_has_xft )
<a name="l00446"></a>00446 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00447"></a>00447 {
<a name="l00448"></a>00448 <span class="preprocessor">#ifdef WORDS_BIGENDIAN</span>
<a name="l00449"></a>00449 <span class="preprocessor"></span> uchar *line = (uchar*) img.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00450"></a>00450 <span class="preprocessor">#else</span>
<a name="l00451"></a>00451 <span class="preprocessor"></span> uchar *line = (uchar*) img.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y) + 3;
<a name="l00452"></a>00452 <span class="preprocessor">#endif</span>
<a name="l00453"></a>00453 <span class="preprocessor"></span> <span class="keywordflow">for</span> (x=0; x<width; x++)
<a name="l00454"></a>00454 {
<a name="l00455"></a>00455 *line >>= 1;
<a name="l00456"></a>00456 line += 4;
<a name="l00457"></a>00457 }
<a name="l00458"></a>00458 }
<a name="l00459"></a>00459 <span class="keywordflow">else</span>
<a name="l00460"></a>00460 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00461"></a>00461 {
<a name="l00462"></a>00462 QRgb *line = (QRgb *) img.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00463"></a>00463 <span class="keywordflow">for</span> (x=(y%2); x<width; x+=2)
<a name="l00464"></a>00464 line[x] &= 0x00ffffff;
<a name="l00465"></a>00465 }
<a name="l00466"></a>00466
<a name="l00467"></a>00467 } <span class="keywordflow">else</span>
<a name="l00468"></a>00468 {
<a name="l00469"></a>00469 <span class="comment">// Insert transparent pixel into the clut.</span>
<a name="l00470"></a>00470 <span class="keywordtype">int</span> transColor = -1;
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="comment">// search for a color that is already transparent</span>
<a name="l00473"></a>00473 <span class="keywordflow">for</span> (x=0; x<img.<a class="codeRef" href="qimage.html#numColors">numColors</a>(); x++)
<a name="l00474"></a>00474 {
<a name="l00475"></a>00475 <span class="comment">// try to find already transparent pixel</span>
<a name="l00476"></a>00476 <span class="keywordflow">if</span> (qAlpha(img.<a class="codeRef" href="qimage.html#color">color</a>(x)) < 127)
<a name="l00477"></a>00477 {
<a name="l00478"></a>00478 transColor = x;
<a name="l00479"></a>00479 <span class="keywordflow">break</span>;
<a name="l00480"></a>00480 }
<a name="l00481"></a>00481 }
<a name="l00482"></a>00482
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">// FIXME: image must have transparency</span>
<a name="l00485"></a>00485 <span class="keywordflow">if</span>(transColor < 0 || transColor >= img.<a class="codeRef" href="qimage.html#numColors">numColors</a>())
<a name="l00486"></a>00486 <span class="keywordflow">return</span>;
<a name="l00487"></a>00487
<a name="l00488"></a>00488 img.<a class="codeRef" href="qimage.html#setColor">setColor</a>(transColor, 0);
<a name="l00489"></a>00489 <span class="keywordflow">if</span>(img.<a class="codeRef" href="qimage.html#depth">depth</a>() == 8)
<a name="l00490"></a>00490 {
<a name="l00491"></a>00491 <span class="keywordflow">for</span> (y=0; y<img.<a class="codeRef" href="qimage.html#height">height</a>(); y++)
<a name="l00492"></a>00492 {
<a name="l00493"></a>00493 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *line = img.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00494"></a>00494 <span class="keywordflow">for</span> (x=(y%2); x<img.<a class="codeRef" href="qimage.html#width">width</a>(); x+=2)
<a name="l00495"></a>00495 line[x] = transColor;
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 }
<a name="l00498"></a>00498 <span class="keywordflow">else</span>
<a name="l00499"></a>00499 {
<a name="l00500"></a>00500 <span class="comment">// SLOOW, but simple, as we would have to</span>
<a name="l00501"></a>00501 <span class="comment">// deal with endianess etc on our own here</span>
<a name="l00502"></a>00502 <span class="keywordflow">for</span> (y=0; y<img.<a class="codeRef" href="qimage.html#height">height</a>(); y++)
<a name="l00503"></a>00503 <span class="keywordflow">for</span> (x=(y%2); x<img.<a class="codeRef" href="qimage.html#width">width</a>(); x+=2)
<a name="l00504"></a>00504 img.<a class="codeRef" href="qimage.html#setPixel">setPixel</a>(x, y, transColor);
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 }
<a name="l00508"></a>00508
<a name="l00509"></a><a class="code" href="classKIconEffect.html#a1f5ec3d9607e87b13984787f59ab91ad">00509</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46" title="Renders an image semi-transparent.">KIconEffect::semiTransparent</a>(<a class="codeRef" href="qpixmap.html">QPixmap</a> &pix)
<a name="l00510"></a>00510 {
<a name="l00511"></a>00511 <span class="keywordflow">if</span> ( qt_use_xrender && qt_has_xft )
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 <a class="codeRef" href="qimage.html">QImage</a> img=pix.<a class="codeRef" href="qpixmap.html#convertToImage">convertToImage</a>();
<a name="l00514"></a>00514 <a class="code" href="classKIconEffect.html#ab3f4d85990649aec9dba1e42bd6bca46" title="Renders an image semi-transparent.">semiTransparent</a>(img);
<a name="l00515"></a>00515 pix.<a class="codeRef" href="qpixmap.html#convertFromImage">convertFromImage</a>(img);
<a name="l00516"></a>00516 <span class="keywordflow">return</span>;
<a name="l00517"></a>00517 }
<a name="l00518"></a>00518
<a name="l00519"></a>00519 <a class="codeRef" href="qimage.html">QImage</a> img;
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (pix.<a class="codeRef" href="qpixmap.html#mask">mask</a>() != 0L)
<a name="l00521"></a>00521 img = pix.<a class="codeRef" href="qpixmap.html#mask">mask</a>()->convertToImage();
<a name="l00522"></a>00522 <span class="keywordflow">else</span>
<a name="l00523"></a>00523 {
<a name="l00524"></a>00524 img.<a class="codeRef" href="qimage.html#create">create</a>(pix.<a class="codeRef" href="qpixmap.html#size">size</a>(), 1, 2, QImage::BigEndian);
<a name="l00525"></a>00525 img.<a class="codeRef" href="qimage.html#fill">fill</a>(1);
<a name="l00526"></a>00526 }
<a name="l00527"></a>00527
<a name="l00528"></a>00528 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> y=0; y<img.<a class="codeRef" href="qimage.html#height">height</a>(); y++)
<a name="l00529"></a>00529 {
<a name="l00530"></a>00530 QRgb *line = (QRgb *) img.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00531"></a>00531 QRgb pattern = (y % 2) ? 0x55555555 : 0xaaaaaaaa;
<a name="l00532"></a>00532 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> x=0; x<(img.<a class="codeRef" href="qimage.html#width">width</a>()+31)/32; x++)
<a name="l00533"></a>00533 line[x] &= pattern;
<a name="l00534"></a>00534 }
<a name="l00535"></a>00535 <a class="codeRef" href="qbitmap.html">QBitmap</a> mask;
<a name="l00536"></a>00536 mask.convertFromImage(img);
<a name="l00537"></a>00537 pix.<a class="codeRef" href="qpixmap.html#setMask">setMask</a>(mask);
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539
<a name="l00540"></a><a class="code" href="classKIconEffect.html#a8da4e1f7d832c7e88e51dd3ffb9b8b1a">00540</a> <a class="codeRef" href="qimage.html">QImage</a> <a class="code" href="classKIconEffect.html#a8da4e1f7d832c7e88e51dd3ffb9b8b1a" title="Returns an image twice as large, consisting of 2x2 pixels.">KIconEffect::doublePixels</a>(<a class="codeRef" href="qimage.html">QImage</a> src)<span class="keyword"> const</span>
<a name="l00541"></a>00541 <span class="keyword"></span>{
<a name="l00542"></a>00542 <a class="codeRef" href="qimage.html">QImage</a> dst;
<a name="l00543"></a>00543 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() == 1)
<a name="l00544"></a>00544 {
<a name="l00545"></a>00545 kdDebug(265) << <span class="stringliteral">"image depth 1 not supported\n"</span>;
<a name="l00546"></a>00546 <span class="keywordflow">return</span> dst;
<a name="l00547"></a>00547 }
<a name="l00548"></a>00548
<a name="l00549"></a>00549 <span class="keywordtype">int</span> w = src.<a class="codeRef" href="qimage.html#width">width</a>();
<a name="l00550"></a>00550 <span class="keywordtype">int</span> h = src.<a class="codeRef" href="qimage.html#height">height</a>();
<a name="l00551"></a>00551 dst.<a class="codeRef" href="qimage.html#create">create</a>(w*2, h*2, src.<a class="codeRef" href="qimage.html#depth">depth</a>());
<a name="l00552"></a>00552 dst.<a class="codeRef" href="qimage.html#setAlphaBuffer">setAlphaBuffer</a>(src.<a class="codeRef" href="qimage.html#hasAlphaBuffer">hasAlphaBuffer</a>());
<a name="l00553"></a>00553
<a name="l00554"></a>00554 <span class="keywordtype">int</span> x, y;
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() == 32)
<a name="l00556"></a>00556 {
<a name="l00557"></a>00557 QRgb *l1, *l2;
<a name="l00558"></a>00558 <span class="keywordflow">for</span> (y=0; y<h; y++)
<a name="l00559"></a>00559 {
<a name="l00560"></a>00560 l1 = (QRgb *) src.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00561"></a>00561 l2 = (QRgb *) dst.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y*2);
<a name="l00562"></a>00562 <span class="keywordflow">for</span> (x=0; x<w; x++)
<a name="l00563"></a>00563 {
<a name="l00564"></a>00564 l2[x*2] = l2[x*2+1] = l1[x];
<a name="l00565"></a>00565 }
<a name="l00566"></a>00566 memcpy(dst.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y*2+1), l2, dst.<a class="codeRef" href="qimage.html#bytesPerLine">bytesPerLine</a>());
<a name="l00567"></a>00567 }
<a name="l00568"></a>00568 } <span class="keywordflow">else</span>
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 <span class="keywordflow">for</span> (x=0; x<src.<a class="codeRef" href="qimage.html#numColors">numColors</a>(); x++)
<a name="l00571"></a>00571 dst.<a class="codeRef" href="qimage.html#setColor">setColor</a>(x, src.<a class="codeRef" href="qimage.html#color">color</a>(x));
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *l1, *l2;
<a name="l00574"></a>00574 <span class="keywordflow">for</span> (y=0; y<h; y++)
<a name="l00575"></a>00575 {
<a name="l00576"></a>00576 l1 = src.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00577"></a>00577 l2 = dst.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y*2);
<a name="l00578"></a>00578 <span class="keywordflow">for</span> (x=0; x<w; x++)
<a name="l00579"></a>00579 {
<a name="l00580"></a>00580 l2[x*2] = l1[x];
<a name="l00581"></a>00581 l2[x*2+1] = l1[x];
<a name="l00582"></a>00582 }
<a name="l00583"></a>00583 memcpy(dst.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y*2+1), l2, dst.<a class="codeRef" href="qimage.html#bytesPerLine">bytesPerLine</a>());
<a name="l00584"></a>00584 }
<a name="l00585"></a>00585 }
<a name="l00586"></a>00586 <span class="keywordflow">return</span> dst;
<a name="l00587"></a>00587 }
<a name="l00588"></a>00588
<a name="l00589"></a><a class="code" href="classKIconEffect.html#a18a050d63542601864aee1707dbea68e">00589</a> <span class="keywordtype">void</span> <a class="code" href="classKIconEffect.html#a18a050d63542601864aee1707dbea68e" title="Overlays an image with an other image.">KIconEffect::overlay</a>(<a class="codeRef" href="qimage.html">QImage</a> &src, <a class="codeRef" href="qimage.html">QImage</a> &overlay)
<a name="l00590"></a>00590 {
<a name="l00591"></a>00591 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() != overlay.<a class="codeRef" href="qimage.html#depth">depth</a>())
<a name="l00592"></a>00592 {
<a name="l00593"></a>00593 kdDebug(265) << <span class="stringliteral">"Image depth src != overlay!\n"</span>;
<a name="l00594"></a>00594 <span class="keywordflow">return</span>;
<a name="l00595"></a>00595 }
<a name="l00596"></a>00596 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#size">size</a>() != overlay.<a class="codeRef" href="qimage.html#size">size</a>())
<a name="l00597"></a>00597 {
<a name="l00598"></a>00598 kdDebug(265) << <span class="stringliteral">"Image size src != overlay\n"</span>;
<a name="l00599"></a>00599 <span class="keywordflow">return</span>;
<a name="l00600"></a>00600 }
<a name="l00601"></a>00601 <span class="keywordflow">if</span> (!overlay.<a class="codeRef" href="qimage.html#hasAlphaBuffer">hasAlphaBuffer</a>())
<a name="l00602"></a>00602 {
<a name="l00603"></a>00603 kdDebug(265) << <span class="stringliteral">"Overlay doesn't have alpha buffer!\n"</span>;
<a name="l00604"></a>00604 <span class="keywordflow">return</span>;
<a name="l00605"></a>00605 }
<a name="l00606"></a>00606
<a name="l00607"></a>00607 <span class="keywordtype">int</span> i, j;
<a name="l00608"></a>00608
<a name="l00609"></a>00609 <span class="comment">// We don't do 1 bpp</span>
<a name="l00610"></a>00610
<a name="l00611"></a>00611 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() == 1)
<a name="l00612"></a>00612 {
<a name="l00613"></a>00613 kdDebug(265) << <span class="stringliteral">"1bpp not supported!\n"</span>;
<a name="l00614"></a>00614 <span class="keywordflow">return</span>;
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616
<a name="l00617"></a>00617 <span class="comment">// Overlay at 8 bpp doesn't use alpha blending</span>
<a name="l00618"></a>00618
<a name="l00619"></a>00619 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() == 8)
<a name="l00620"></a>00620 {
<a name="l00621"></a>00621 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#numColors">numColors</a>() + overlay.<a class="codeRef" href="qimage.html#numColors">numColors</a>() > 255)
<a name="l00622"></a>00622 {
<a name="l00623"></a>00623 kdDebug(265) << <span class="stringliteral">"Too many colors in src + overlay!\n"</span>;
<a name="l00624"></a>00624 <span class="keywordflow">return</span>;
<a name="l00625"></a>00625 }
<a name="l00626"></a>00626
<a name="l00627"></a>00627 <span class="comment">// Find transparent pixel in overlay</span>
<a name="l00628"></a>00628 <span class="keywordtype">int</span> trans;
<a name="l00629"></a>00629 <span class="keywordflow">for</span> (trans=0; trans<overlay.<a class="codeRef" href="qimage.html#numColors">numColors</a>(); trans++)
<a name="l00630"></a>00630 {
<a name="l00631"></a>00631 <span class="keywordflow">if</span> (qAlpha(overlay.<a class="codeRef" href="qimage.html#color">color</a>(trans)) == 0)
<a name="l00632"></a>00632 {
<a name="l00633"></a>00633 kdDebug(265) << <span class="stringliteral">"transparent pixel found at "</span> << trans << <span class="stringliteral">"\n"</span>;
<a name="l00634"></a>00634 <span class="keywordflow">break</span>;
<a name="l00635"></a>00635 }
<a name="l00636"></a>00636 }
<a name="l00637"></a>00637 <span class="keywordflow">if</span> (trans == overlay.<a class="codeRef" href="qimage.html#numColors">numColors</a>())
<a name="l00638"></a>00638 {
<a name="l00639"></a>00639 kdDebug(265) << <span class="stringliteral">"transparent pixel not found!\n"</span>;
<a name="l00640"></a>00640 <span class="keywordflow">return</span>;
<a name="l00641"></a>00641 }
<a name="l00642"></a>00642
<a name="l00643"></a>00643 <span class="comment">// Merge color tables</span>
<a name="l00644"></a>00644 <span class="keywordtype">int</span> nc = src.<a class="codeRef" href="qimage.html#numColors">numColors</a>();
<a name="l00645"></a>00645 src.<a class="codeRef" href="qimage.html#setNumColors">setNumColors</a>(nc + overlay.<a class="codeRef" href="qimage.html#numColors">numColors</a>());
<a name="l00646"></a>00646 <span class="keywordflow">for</span> (i=0; i<overlay.<a class="codeRef" href="qimage.html#numColors">numColors</a>(); i++)
<a name="l00647"></a>00647 {
<a name="l00648"></a>00648 src.<a class="codeRef" href="qimage.html#setColor">setColor</a>(nc+i, overlay.<a class="codeRef" href="qimage.html#color">color</a>(i));
<a name="l00649"></a>00649 }
<a name="l00650"></a>00650
<a name="l00651"></a>00651 <span class="comment">// Overwrite nontransparent pixels.</span>
<a name="l00652"></a>00652 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *oline, *sline;
<a name="l00653"></a>00653 <span class="keywordflow">for</span> (i=0; i<src.<a class="codeRef" href="qimage.html#height">height</a>(); i++)
<a name="l00654"></a>00654 {
<a name="l00655"></a>00655 oline = overlay.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(i);
<a name="l00656"></a>00656 sline = src.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(i);
<a name="l00657"></a>00657 <span class="keywordflow">for</span> (j=0; j<src.<a class="codeRef" href="qimage.html#width">width</a>(); j++)
<a name="l00658"></a>00658 {
<a name="l00659"></a>00659 <span class="keywordflow">if</span> (oline[j] != trans)
<a name="l00660"></a>00660 sline[j] = oline[j]+nc;
<a name="l00661"></a>00661 }
<a name="l00662"></a>00662 }
<a name="l00663"></a>00663 }
<a name="l00664"></a>00664
<a name="l00665"></a>00665 <span class="comment">// Overlay at 32 bpp does use alpha blending</span>
<a name="l00666"></a>00666
<a name="l00667"></a>00667 <span class="keywordflow">if</span> (src.<a class="codeRef" href="qimage.html#depth">depth</a>() == 32)
<a name="l00668"></a>00668 {
<a name="l00669"></a>00669 QRgb *oline, *sline;
<a name="l00670"></a>00670 <span class="keywordtype">int</span> r1, g1, b1, a1;
<a name="l00671"></a>00671 <span class="keywordtype">int</span> r2, g2, b2, a2;
<a name="l00672"></a>00672
<a name="l00673"></a>00673 <span class="keywordflow">for</span> (i=0; i<src.<a class="codeRef" href="qimage.html#height">height</a>(); i++)
<a name="l00674"></a>00674 {
<a name="l00675"></a>00675 oline = (QRgb *) overlay.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(i);
<a name="l00676"></a>00676 sline = (QRgb *) src.<a class="codeRef" href="qimage.html#scanLine">scanLine</a>(i);
<a name="l00677"></a>00677
<a name="l00678"></a>00678 <span class="keywordflow">for</span> (j=0; j<src.<a class="codeRef" href="qimage.html#width">width</a>(); j++)
<a name="l00679"></a>00679 {
<a name="l00680"></a>00680 r1 = qRed(oline[j]);
<a name="l00681"></a>00681 g1 = qGreen(oline[j]);
<a name="l00682"></a>00682 b1 = qBlue(oline[j]);
<a name="l00683"></a>00683 a1 = qAlpha(oline[j]);
<a name="l00684"></a>00684
<a name="l00685"></a>00685 r2 = qRed(sline[j]);
<a name="l00686"></a>00686 g2 = qGreen(sline[j]);
<a name="l00687"></a>00687 b2 = qBlue(sline[j]);
<a name="l00688"></a>00688 a2 = qAlpha(sline[j]);
<a name="l00689"></a>00689
<a name="l00690"></a>00690 r2 = (a1 * r1 + (0xff - a1) * r2) >> 8;
<a name="l00691"></a>00691 g2 = (a1 * g1 + (0xff - a1) * g2) >> 8;
<a name="l00692"></a>00692 b2 = (a1 * b1 + (0xff - a1) * b2) >> 8;
<a name="l00693"></a>00693 a2 = QMAX(a1, a2);
<a name="l00694"></a>00694
<a name="l00695"></a>00695 sline[j] = qRgba(r2, g2, b2, a2);
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697 }
<a name="l00698"></a>00698 }
<a name="l00699"></a>00699
<a name="l00700"></a>00700 <span class="keywordflow">return</span>;
<a name="l00701"></a>00701 }
<a name="l00702"></a>00702
<a name="l00703"></a>00703 <span class="keywordtype">void</span>
<a name="l00704"></a><a class="code" href="classKIconEffect.html#a6c3f3ac9893cc0eda35516907fbb3355">00704</a> <a class="code" href="classKIconEffect.html#a6c3f3ac9893cc0eda35516907fbb3355" title="Provides visual feedback to show activation of an icon on a widget.">KIconEffect::visualActivate</a>(<a class="codeRef" href="qwidget.html">QWidget</a> * widget, <a class="codeRef" href="qrect.html">QRect</a> rect)
<a name="l00705"></a>00705 {
<a name="l00706"></a>00706 <span class="keywordflow">if</span> (!<a class="code" href="classKGlobalSettings.html#aaf3708834c6f7fc1af5fbbc940610bfd" title="Checks whether to show feedback when in item (specifically an icon) is activated.">KGlobalSettings::visualActivate</a>())
<a name="l00707"></a>00707 <span class="keywordflow">return</span>;
<a name="l00708"></a>00708
<a name="l00709"></a>00709 uint actSpeed = <a class="code" href="classKGlobalSettings.html#a7b39f90c484d87b129b27138b22c2f1d" title="Returns the speed of the visual activation feedback.">KGlobalSettings::visualActivateSpeed</a>();
<a name="l00710"></a>00710
<a name="l00711"></a>00711 uint actCount = QMIN(rect.<a class="codeRef" href="qrect.html#width">width</a>(), rect.<a class="codeRef" href="qrect.html#height">height</a>()) / 2;
<a name="l00712"></a>00712
<a name="l00713"></a>00713 <span class="comment">// Clip actCount to range 1..10.</span>
<a name="l00714"></a>00714
<a name="l00715"></a>00715 <span class="keywordflow">if</span> (actCount < 1)
<a name="l00716"></a>00716 actCount = 1;
<a name="l00717"></a>00717
<a name="l00718"></a>00718 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (actCount > 10)
<a name="l00719"></a>00719 actCount = 10;
<a name="l00720"></a>00720
<a name="l00721"></a>00721 <span class="comment">// Clip actSpeed to range 1..100.</span>
<a name="l00722"></a>00722
<a name="l00723"></a>00723 <span class="keywordflow">if</span> (actSpeed < 1)
<a name="l00724"></a>00724 actSpeed = 1;
<a name="l00725"></a>00725
<a name="l00726"></a>00726 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (actSpeed > 100)
<a name="l00727"></a>00727 actSpeed = 100;
<a name="l00728"></a>00728
<a name="l00729"></a>00729 <span class="comment">// actSpeed needs to be converted to actDelay.</span>
<a name="l00730"></a>00730 <span class="comment">// actDelay is inversely proportional to actSpeed and needs to be</span>
<a name="l00731"></a>00731 <span class="comment">// divided up into actCount portions.</span>
<a name="l00732"></a>00732 <span class="comment">// We also convert the us value to ms.</span>
<a name="l00733"></a>00733
<a name="l00734"></a>00734 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> actDelay = (1000 * (100 - actSpeed)) / actCount;
<a name="l00735"></a>00735
<a name="l00736"></a>00736 <span class="comment">//kdDebug() << "actCount=" << actCount << " actDelay=" << actDelay << endl;</span>
<a name="l00737"></a>00737
<a name="l00738"></a>00738 <a class="codeRef" href="qpoint.html">QPoint</a> c = rect.<a class="codeRef" href="qrect.html#center">center</a>();
<a name="l00739"></a>00739
<a name="l00740"></a>00740 <a class="codeRef" href="qpainter.html">QPainter</a> p(widget);
<a name="l00741"></a>00741
<a name="l00742"></a>00742 <span class="comment">// Use NotROP to avoid having to repaint the pixmap each time.</span>
<a name="l00743"></a>00743 p.<a class="codeRef" href="qpainter.html#setPen">setPen</a>(<a class="codeRef" href="qpen.html">QPen</a>(Qt::black, 2, Qt::DotLine));
<a name="l00744"></a>00744 p.<a class="codeRef" href="qpainter.html#setRasterOp">setRasterOp</a>(Qt::NotROP);
<a name="l00745"></a>00745
<a name="l00746"></a>00746 <span class="comment">// The spacing between the rects we draw.</span>
<a name="l00747"></a>00747 <span class="comment">// Use the minimum of width and height to avoid painting outside the</span>
<a name="l00748"></a>00748 <span class="comment">// pixmap area.</span>
<a name="l00749"></a>00749 <span class="comment">//unsigned int delta(QMIN(rect.width() / actCount, rect.height() / actCount));</span>
<a name="l00750"></a>00750
<a name="l00751"></a>00751 <span class="comment">// Support for rectangles by David</span>
<a name="l00752"></a>00752 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deltaX = rect.<a class="codeRef" href="qrect.html#width">width</a>() / actCount;
<a name="l00753"></a>00753 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> deltaY = rect.<a class="codeRef" href="qrect.html#height">height</a>() / actCount;
<a name="l00754"></a>00754
<a name="l00755"></a>00755 <span class="keywordflow">for</span> (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i = 1; i < actCount; i++) {
<a name="l00756"></a>00756
<a name="l00757"></a>00757 <span class="keywordtype">int</span> w = i * deltaX;
<a name="l00758"></a>00758 <span class="keywordtype">int</span> h = i * deltaY;
<a name="l00759"></a>00759
<a name="l00760"></a>00760 rect.<a class="codeRef" href="qrect.html#setRect">setRect</a>(c.<a class="codeRef" href="qpoint.html#x">x</a>() - w / 2, c.<a class="codeRef" href="qpoint.html#y">y</a>() - h / 2, w, h);
<a name="l00761"></a>00761
<a name="l00762"></a>00762 p.<a class="codeRef" href="qpainter.html#drawRect">drawRect</a>(rect);
<a name="l00763"></a>00763 p.<a class="codeRef" href="qpainter.html#flush">flush</a>();
<a name="l00764"></a>00764
<a name="l00765"></a>00765 usleep(actDelay);
<a name="l00766"></a>00766
<a name="l00767"></a>00767 p.<a class="codeRef" href="qpainter.html#drawRect">drawRect</a>(rect);
<a name="l00768"></a>00768 }
<a name="l00769"></a>00769 }
<a name="l00770"></a>00770
</pre></div></div>
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value="classKMimeSourceFactory.html">kmimesourcefactory</option>, <option value="classKMountPoint.html">kmountpoint</option>, <option value="classKMultipleDrag.html">kmultipledrag</option>, <option value="classKNetwork_1_1KActiveSocketBase.html">knetwork::kactivesocketbase</option>, <option value="classKNetwork_1_1KBufferedSocket.html">knetwork::kbufferedsocket</option>, <option value="classKNetwork_1_1KClientSocketBase.html">knetwork::kclientsocketbase</option>, <option value="classKNetwork_1_1KDatagramPacket.html">knetwork::kdatagrampacket</option>, <option value="classKNetwork_1_1KDatagramSocket.html">knetwork::kdatagramsocket</option>, <option value="classKNetwork_1_1KHttpProxySocketDevice.html">knetwork::khttpproxysocketdevice</option>, <option value="classKNetwork_1_1KInetSocketAddress.html">knetwork::kinetsocketaddress</option>, <option value="classKNetwork_1_1KIpAddress.html">knetwork::kipaddress</option>, <option value="classKNetwork_1_1KMulticastSocket.html">knetwork::kmulticastsocket</option>, <option value="classKNetwork_1_1KMulticastSocketImpl.html">knetwork::kmulticastsocketimpl</option>, <option value="classKNetwork_1_1KNetworkInterface.html">knetwork::knetworkinterface</option>, <option value="classKNetwork_1_1KPassiveSocketBase.html">knetwork::kpassivesocketbase</option>, <option value="classKNetwork_1_1KResolver.html">knetwork::kresolver</option>, <option value="classKNetwork_1_1KResolverEntry.html">knetwork::kresolverentry</option>, <option value="classKNetwork_1_1KResolverResults.html">knetwork::kresolverresults</option>, <option value="classKNetwork_1_1KResolverWorkerBase_1_1ResolverLocker.html">knetwork::kresolverworkerbase::resolverlocker</option>, <option value="classKNetwork_1_1KReverseResolver.html">knetwork::kreverseresolver</option>, <option value="classKNetwork_1_1KServerSocket.html">knetwork::kserversocket</option>, <option 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