<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en_US" xml:lang="en_US"> <head> <title>kdefx: kpixmap.cpp Source File (kdefx)</title> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta http-equiv="Content-Style-Type" content="text/css" /> <meta http-equiv="pics-label" content='(pics-1.1 "http://www.icra.org/ratingsv02.html" comment "ICRAonline DE v2.0" l gen true for "http://www.kde.org" r (nz 1 vz 1 lz 1 oz 1 cb 1) "http://www.rsac.org/ratingsv01.html" l gen true for "http://www.kde.org" r (n 0 s 0 v 0 l 0))' /> <meta name="trademark" content="KDE e.V." /> <meta name="description" content="K Desktop Environment Homepage, KDE.org" /> <meta name="MSSmartTagsPreventParsing" content="true" /> <meta name="robots" content="all" /> <link rel="shortcut icon" href="../../favicon.ico" /> <link rel="stylesheet" media="screen" type="text/css" title="APIDOX" href="doxygen.css" /> </head> <body> <div id="nav_header_top" align="right"> <a href="#content" class="doNotDisplay" accesskey="2">Skip to main content ::</a> <a href="../.."><img id="nav_header_logo" alt="Home" align="left" src="../../kde_gear_64.png" border="0" /></a> <span class="doNotDisplay">::</span> <div id="nav_header_title" align="left">KDE API Reference</div> </div> <div id="nav_header_bottom" align="right"> <span class="doNotDisplay">:: <a href="#navigation" accesskey="5">Skip to Link Menu</a><br/></span> <div id="nav_header_bottom_right" style="text-align: left;"> / <a href="../..">API Reference</a> / <a href=".">kdefx</a> </div> </div> <table id="main" border="0" cellpadding="0" cellspacing="0" width="100%"> <tr> <td valign="top" class="menuheader" height="0"></td> <td id="contentcolumn" valign="top" rowspan="2" > <div id="content" style="padding-top: 0px;"><div style="width:100%; margin: 0px; padding: 0px;"> <a name="content"></a> <!-- Generated by Doxygen 1.7.4 --> <div class="header"> <div class="headertitle"> <div class="title">kpixmap.cpp</div> </div> </div> <div class="contents"> <div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span> <a name="l00002"></a>00002 <span class="comment"> * This file is part of the KDE libraries</span> <a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1998 Mark Donohoe <donohoe@kde.org></span> <a name="l00004"></a>00004 <span class="comment"> * Stephan Kulow <coolo@kde.org></span> <a name="l00005"></a>00005 <span class="comment"> *</span> <a name="l00006"></a>00006 <span class="comment"> * $Id$</span> <a name="l00007"></a>00007 <span class="comment"> *</span> <a name="l00008"></a>00008 <span class="comment"> * This library 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 Library 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 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"> * Library 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 Library General Public License</span> <a name="l00019"></a>00019 <span class="comment"> * along with this library; see the file COPYING.LIB. If not, write to</span> <a name="l00020"></a>00020 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span> <a name="l00021"></a>00021 <span class="comment"> * Boston, MA 02110-1301, USA.</span> <a name="l00022"></a>00022 <span class="comment"> */</span> <a name="l00023"></a>00023 <a name="l00024"></a>00024 <span class="preprocessor">#include <qpixmap.h></span> <a name="l00025"></a>00025 <span class="preprocessor">#include <qpainter.h></span> <a name="l00026"></a>00026 <span class="preprocessor">#include <qimage.h></span> <a name="l00027"></a>00027 <span class="preprocessor">#include <qbitmap.h></span> <a name="l00028"></a>00028 <span class="preprocessor">#include <qcolor.h></span> <a name="l00029"></a>00029 <a name="l00030"></a>00030 <span class="preprocessor">#include <stdlib.h></span> <a name="l00031"></a>00031 <span class="preprocessor">#include "kpixmap.h"</span> <a name="l00032"></a>00032 <a name="l00033"></a>00033 <span class="comment">// Fast diffuse dither to 3x3x3 color cube</span> <a name="l00034"></a>00034 <span class="comment">// Based on Qt's image conversion functions</span> <a name="l00035"></a>00035 <span class="keyword">static</span> <span class="keywordtype">bool</span> kdither_32_to_8( <span class="keyword">const</span> <a class="codeRef" href="qimage.html">QImage</a> *src, <a class="codeRef" href="qimage.html">QImage</a> *dst ) <a name="l00036"></a>00036 { <a name="l00037"></a>00037 <span class="comment">// register QRgb *p;</span> <a name="l00038"></a>00038 uchar *b; <a name="l00039"></a>00039 <span class="keywordtype">int</span> y; <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="keywordflow">if</span> ( !dst-><a class="codeRef" href="qimage.html#create">create</a>(src-><a class="codeRef" href="qimage.html#width">width</a>(), src-><a class="codeRef" href="qimage.html#height">height</a>(), 8, 256) ) { <a name="l00042"></a>00042 qWarning(<span class="stringliteral">"KPixmap: destination image not valid\n"</span>); <a name="l00043"></a>00043 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00044"></a>00044 } <a name="l00045"></a>00045 <a name="l00046"></a>00046 dst-><a class="codeRef" href="qimage.html#setNumColors">setNumColors</a>( 256 ); <a name="l00047"></a>00047 <a name="l00048"></a>00048 <span class="preprocessor">#define MAX_R 2</span> <a name="l00049"></a>00049 <span class="preprocessor"></span><span class="preprocessor">#define MAX_G 2</span> <a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor">#define MAX_B 2</span> <a name="l00051"></a>00051 <span class="preprocessor"></span><span class="preprocessor">#define INDEXOF(r,g,b) (((r)*(MAX_G+1)+(g))*(MAX_B+1)+(b))</span> <a name="l00052"></a>00052 <span class="preprocessor"></span> <a name="l00053"></a>00053 <span class="keywordtype">int</span> rc, gc, bc; <a name="l00054"></a>00054 <a name="l00055"></a>00055 <span class="keywordflow">for</span> ( rc=0; rc<=MAX_R; rc++ ) <span class="comment">// build 2x2x2 color cube</span> <a name="l00056"></a>00056 <span class="keywordflow">for</span> ( gc=0; gc<=MAX_G; gc++ ) <a name="l00057"></a>00057 <span class="keywordflow">for</span> ( bc=0; bc<=MAX_B; bc++ ) { <a name="l00058"></a>00058 dst-><a class="codeRef" href="qimage.html#setColor">setColor</a>( INDEXOF(rc,gc,bc), <a name="l00059"></a>00059 qRgb( rc*255/MAX_R, gc*255/MAX_G, bc*255/MAX_B ) ); <a name="l00060"></a>00060 } <a name="l00061"></a>00061 <a name="l00062"></a>00062 <span class="keywordtype">int</span> sw = src-><a class="codeRef" href="qimage.html#width">width</a>(); <a name="l00063"></a>00063 <span class="keywordtype">int</span>* line1[3]; <a name="l00064"></a>00064 <span class="keywordtype">int</span>* line2[3]; <a name="l00065"></a>00065 <span class="keywordtype">int</span>* pv[3]; <a name="l00066"></a>00066 <a name="l00067"></a>00067 line1[0] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00068"></a>00068 line2[0] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00069"></a>00069 line1[1] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00070"></a>00070 line2[1] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00071"></a>00071 line1[2] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00072"></a>00072 line2[2] = <span class="keyword">new</span> <span class="keywordtype">int</span>[src-><a class="codeRef" href="qimage.html#width">width</a>()]; <a name="l00073"></a>00073 pv[0] = <span class="keyword">new</span> <span class="keywordtype">int</span>[sw]; <a name="l00074"></a>00074 pv[1] = <span class="keyword">new</span> <span class="keywordtype">int</span>[sw]; <a name="l00075"></a>00075 pv[2] = <span class="keyword">new</span> <span class="keywordtype">int</span>[sw]; <a name="l00076"></a>00076 <a name="l00077"></a>00077 <span class="keywordflow">for</span> ( y=0; y < src-><a class="codeRef" href="qimage.html#height">height</a>(); y++ ) { <a name="l00078"></a>00078 <span class="comment">// p = (QRgb *)src->scanLine(y);</span> <a name="l00079"></a>00079 b = dst-><a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y); <a name="l00080"></a>00080 <span class="keywordtype">int</span> endian = (<a class="codeRef" href="qimage.html#systemBitOrder">QImage::systemBitOrder</a>() == QImage::BigEndian); <a name="l00081"></a>00081 <span class="keywordtype">int</span> x; <a name="l00082"></a>00082 uchar* q = src-><a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y); <a name="l00083"></a>00083 uchar* q2 = src-><a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y+1 < src-><a class="codeRef" href="qimage.html#height">height</a>() ? y + 1 : 0); <a name="l00084"></a>00084 <a name="l00085"></a>00085 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> chan = 0; chan < 3; chan++) { <a name="l00086"></a>00086 b = dst-><a class="codeRef" href="qimage.html#scanLine">scanLine</a>(y); <a name="l00087"></a>00087 <span class="keywordtype">int</span> *l1 = (y&1) ? line2[chan] : line1[chan]; <a name="l00088"></a>00088 <span class="keywordtype">int</span> *l2 = (y&1) ? line1[chan] : line2[chan]; <a name="l00089"></a>00089 <span class="keywordflow">if</span> ( y == 0 ) { <a name="l00090"></a>00090 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<sw; i++) <a name="l00091"></a>00091 l1[i] = q[i*4+chan+endian]; <a name="l00092"></a>00092 } <a name="l00093"></a>00093 <span class="keywordflow">if</span> ( y+1 < src-><a class="codeRef" href="qimage.html#height">height</a>() ) { <a name="l00094"></a>00094 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<sw; i++) <a name="l00095"></a>00095 l2[i] = q2[i*4+chan+endian]; <a name="l00096"></a>00096 } <a name="l00097"></a>00097 <a name="l00098"></a>00098 <span class="comment">// Bi-directional error diffusion</span> <a name="l00099"></a>00099 <span class="keywordflow">if</span> ( y&1 ) { <a name="l00100"></a>00100 <span class="keywordflow">for</span> (x=0; x<sw; x++) { <a name="l00101"></a>00101 <span class="keywordtype">int</span> pix = QMAX(QMIN(2, (l1[x] * 2 + 128)/ 255), 0); <a name="l00102"></a>00102 <span class="keywordtype">int</span> err = l1[x] - pix * 255 / 2; <a name="l00103"></a>00103 pv[chan][x] = pix; <a name="l00104"></a>00104 <a name="l00105"></a>00105 <span class="comment">// Spread the error around...</span> <a name="l00106"></a>00106 <span class="keywordflow">if</span> ( x+1<sw ) { <a name="l00107"></a>00107 l1[x+1] += (err*7)>>4; <a name="l00108"></a>00108 l2[x+1] += err>>4; <a name="l00109"></a>00109 } <a name="l00110"></a>00110 l2[x]+=(err*5)>>4; <a name="l00111"></a>00111 <span class="keywordflow">if</span> (x>1) <a name="l00112"></a>00112 l2[x-1]+=(err*3)>>4; <a name="l00113"></a>00113 } <a name="l00114"></a>00114 } <span class="keywordflow">else</span> { <a name="l00115"></a>00115 <span class="keywordflow">for</span> (x=sw; x-->0; ) { <a name="l00116"></a>00116 <span class="keywordtype">int</span> pix = QMAX(QMIN(2, (l1[x] * 2 + 128)/ 255), 0); <a name="l00117"></a>00117 <span class="keywordtype">int</span> err = l1[x] - pix * 255 / 2; <a name="l00118"></a>00118 pv[chan][x] = pix; <a name="l00119"></a>00119 <a name="l00120"></a>00120 <span class="comment">// Spread the error around...</span> <a name="l00121"></a>00121 <span class="keywordflow">if</span> ( x > 0 ) { <a name="l00122"></a>00122 l1[x-1] += (err*7)>>4; <a name="l00123"></a>00123 l2[x-1] += err>>4; <a name="l00124"></a>00124 } <a name="l00125"></a>00125 l2[x]+=(err*5)>>4; <a name="l00126"></a>00126 <span class="keywordflow">if</span> (x+1 < sw) <a name="l00127"></a>00127 l2[x+1]+=(err*3)>>4; <a name="l00128"></a>00128 } <a name="l00129"></a>00129 } <a name="l00130"></a>00130 } <a name="l00131"></a>00131 <a name="l00132"></a>00132 <span class="keywordflow">if</span> (!endian) { <a name="l00133"></a>00133 <span class="keywordflow">for</span> (x=0; x<sw; x++) <a name="l00134"></a>00134 *b++ = INDEXOF(pv[2][x],pv[1][x],pv[0][x]); <a name="l00135"></a>00135 } <span class="keywordflow">else</span> { <a name="l00136"></a>00136 <span class="keywordflow">for</span> (x=0; x<sw; x++) <a name="l00137"></a>00137 *b++ = INDEXOF(pv[0][x],pv[1][x],pv[2][x]); <a name="l00138"></a>00138 } <a name="l00139"></a>00139 <a name="l00140"></a>00140 } <a name="l00141"></a>00141 <a name="l00142"></a>00142 <span class="keyword">delete</span> [] line1[0]; <a name="l00143"></a>00143 <span class="keyword">delete</span> [] line2[0]; <a name="l00144"></a>00144 <span class="keyword">delete</span> [] line1[1]; <a name="l00145"></a>00145 <span class="keyword">delete</span> [] line2[1]; <a name="l00146"></a>00146 <span class="keyword">delete</span> [] line1[2]; <a name="l00147"></a>00147 <span class="keyword">delete</span> [] line2[2]; <a name="l00148"></a>00148 <span class="keyword">delete</span> [] pv[0]; <a name="l00149"></a>00149 <span class="keyword">delete</span> [] pv[1]; <a name="l00150"></a>00150 <span class="keyword">delete</span> [] pv[2]; <a name="l00151"></a>00151 <a name="l00152"></a>00152 <span class="preprocessor">#undef MAX_R</span> <a name="l00153"></a>00153 <span class="preprocessor"></span><span class="preprocessor">#undef MAX_G</span> <a name="l00154"></a>00154 <span class="preprocessor"></span><span class="preprocessor">#undef MAX_B</span> <a name="l00155"></a>00155 <span class="preprocessor"></span><span class="preprocessor">#undef INDEXOF</span> <a name="l00156"></a>00156 <span class="preprocessor"></span> <a name="l00157"></a>00157 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00158"></a>00158 } <a name="l00159"></a>00159 <a name="l00160"></a><a class="code" href="classKPixmap.html#a846aa22a885513da71088b48041c283b">00160</a> <a class="code" href="classKPixmap.html#a846aa22a885513da71088b48041c283b" title="Destructs the pixmap.">KPixmap::~KPixmap</a>() <a name="l00161"></a>00161 { <a name="l00162"></a>00162 } <a name="l00163"></a>00163 <a name="l00164"></a><a class="code" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a">00164</a> <span class="keywordtype">bool</span> <a class="code" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a" title="Loads a pixmap from the file fileName.">KPixmap::load</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& fileName, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, <a name="l00165"></a>00165 <span class="keywordtype">int</span> conversion_flags ) <a name="l00166"></a>00166 { <a name="l00167"></a>00167 <a class="codeRef" href="qimageio.html">QImageIO</a> io( fileName, format ); <a name="l00168"></a>00168 <a name="l00169"></a>00169 <span class="keywordtype">bool</span> result = io.<a class="codeRef" href="qimageio.html#read">read</a>(); <a name="l00170"></a>00170 <a name="l00171"></a>00171 <span class="keywordflow">if</span> ( result ) { <a name="l00172"></a>00172 <a class="codeRef" href="qpixmap.html#detach">detach</a>(); <a name="l00173"></a>00173 result = <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">convertFromImage</a>( io.<a class="codeRef" href="qimageio.html#image">image</a>(), conversion_flags ); <a name="l00174"></a>00174 } <a name="l00175"></a>00175 <span class="keywordflow">return</span> result; <a name="l00176"></a>00176 } <a name="l00177"></a>00177 <a name="l00178"></a><a class="code" href="classKPixmap.html#a1921c92524cb3bda188a99736ae5d1f6">00178</a> <span class="keywordtype">bool</span> <a class="code" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a" title="Loads a pixmap from the file fileName.">KPixmap::load</a>( <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& fileName, <span class="keyword">const</span> <span class="keywordtype">char</span> *format, <a name="l00179"></a>00179 <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1" title="This enumeration provides a color pallete specification.">ColorMode</a> mode ) <a name="l00180"></a>00180 { <a name="l00181"></a>00181 <span class="keywordtype">int</span> conversion_flags = 0; <a name="l00182"></a>00182 <span class="keywordflow">switch</span> (mode) { <a name="l00183"></a>00183 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ae5c164e4bcd6410edce01d54a2511326" title="Native display depth.">Color</a>: <a name="l00184"></a>00184 conversion_flags |= ColorOnly; <a name="l00185"></a>00185 <span class="keywordflow">break</span>; <a name="l00186"></a>00186 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ac06e4d20925f89531a749b2821858993" title="Monochrome pixmap.">Mono</a>: <a name="l00187"></a>00187 conversion_flags |= MonoOnly; <a name="l00188"></a>00188 <span class="keywordflow">break</span>; <a name="l00189"></a>00189 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a08fb9faec53e6c78471730bc3c652f08" title="3x3x3 color cube (or monochrome)">LowColor</a>: <a name="l00190"></a>00190 conversion_flags |= LowOnly; <a name="l00191"></a>00191 <span class="keywordflow">break</span>; <a name="l00192"></a>00192 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a81c74e85e293133e9a335e787a1fe4c9" title="Netscape pallete (or monochrome)">WebColor</a>: <a name="l00193"></a>00193 conversion_flags |= WebOnly; <a name="l00194"></a>00194 <span class="keywordflow">break</span>; <a name="l00195"></a>00195 <span class="keywordflow">default</span>: <a name="l00196"></a>00196 <span class="keywordflow">break</span>;<span class="comment">// Nothing.</span> <a name="l00197"></a>00197 } <a name="l00198"></a>00198 <span class="keywordflow">return</span> <a class="code" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a" title="Loads a pixmap from the file fileName.">load</a>( fileName, format, conversion_flags ); <a name="l00199"></a>00199 } <a name="l00200"></a>00200 <a name="l00201"></a><a class="code" href="classKPixmap.html#ae72ea45200dbf839d573070fa6b63d99">00201</a> <span class="keywordtype">bool</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">KPixmap::convertFromImage</a>( <span class="keyword">const</span> <a class="codeRef" href="qimage.html">QImage</a> &img, <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1" title="This enumeration provides a color pallete specification.">ColorMode</a> mode ) <a name="l00202"></a>00202 { <a name="l00203"></a>00203 <span class="keywordtype">int</span> conversion_flags = 0; <a name="l00204"></a>00204 <span class="keywordflow">switch</span> (mode) { <a name="l00205"></a>00205 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ae5c164e4bcd6410edce01d54a2511326" title="Native display depth.">Color</a>: <a name="l00206"></a>00206 conversion_flags |= ColorOnly; <a name="l00207"></a>00207 <span class="keywordflow">break</span>; <a name="l00208"></a>00208 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ac06e4d20925f89531a749b2821858993" title="Monochrome pixmap.">Mono</a>: <a name="l00209"></a>00209 conversion_flags |= MonoOnly; <a name="l00210"></a>00210 <span class="keywordflow">break</span>; <a name="l00211"></a>00211 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a08fb9faec53e6c78471730bc3c652f08" title="3x3x3 color cube (or monochrome)">LowColor</a>: <a name="l00212"></a>00212 conversion_flags |= LowOnly; <a name="l00213"></a>00213 <span class="keywordflow">break</span>; <a name="l00214"></a>00214 <span class="keywordflow">case</span> <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a81c74e85e293133e9a335e787a1fe4c9" title="Netscape pallete (or monochrome)">WebColor</a>: <a name="l00215"></a>00215 conversion_flags |= WebOnly; <a name="l00216"></a>00216 <span class="keywordflow">break</span>; <a name="l00217"></a>00217 <span class="keywordflow">default</span>: <a name="l00218"></a>00218 <span class="keywordflow">break</span>; <span class="comment">// Nothing.</span> <a name="l00219"></a>00219 } <a name="l00220"></a>00220 <span class="keywordflow">return</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">convertFromImage</a>( img, conversion_flags ); <a name="l00221"></a>00221 } <a name="l00222"></a>00222 <a name="l00223"></a><a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517">00223</a> <span class="keywordtype">bool</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">KPixmap::convertFromImage</a>( <span class="keyword">const</span> <a class="codeRef" href="qimage.html">QImage</a> &img, <span class="keywordtype">int</span> conversion_flags ) <a name="l00224"></a>00224 { <a name="l00225"></a>00225 <span class="keywordflow">if</span> ( img.<a class="codeRef" href="qimage.html#isNull">isNull</a>() ) { <a name="l00226"></a>00226 <span class="preprocessor">#if defined(CHECK_NULL)</span> <a name="l00227"></a>00227 <span class="preprocessor"></span> qWarning( <span class="stringliteral">"KPixmap::convertFromImage: Cannot convert a null image"</span> ); <a name="l00228"></a>00228 <span class="preprocessor">#endif</span> <a name="l00229"></a>00229 <span class="preprocessor"></span> <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00230"></a>00230 } <a name="l00231"></a>00231 <a class="codeRef" href="qpixmap.html#detach">detach</a>(); <span class="comment">// detach other references</span> <a name="l00232"></a>00232 <a name="l00233"></a>00233 <span class="keywordtype">int</span> dd = <a class="codeRef" href="qpixmap.html#defaultDepth">defaultDepth</a>(); <a name="l00234"></a>00234 <a name="l00235"></a>00235 <span class="comment">// If color mode not one of KPixmaps extra modes nothing to do</span> <a name="l00236"></a>00236 <span class="keywordflow">if</span> ( ( conversion_flags & KColorMode_Mask ) != LowOnly && <a name="l00237"></a>00237 ( conversion_flags & KColorMode_Mask ) != WebOnly ) { <a name="l00238"></a>00238 <span class="keywordflow">return</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">QPixmap::convertFromImage</a> ( img, conversion_flags ); <a name="l00239"></a>00239 } <a name="l00240"></a>00240 <a name="l00241"></a>00241 <span class="comment">// If the default pixmap depth is not 8bpp, KPixmap color modes have no</span> <a name="l00242"></a>00242 <span class="comment">// effect. Ignore them and use AutoColor instead.</span> <a name="l00243"></a>00243 <span class="keywordflow">if</span> ( dd > 8 ) { <a name="l00244"></a>00244 <span class="keywordflow">if</span> ( ( conversion_flags & KColorMode_Mask ) == LowOnly || <a name="l00245"></a>00245 ( conversion_flags & KColorMode_Mask ) == WebOnly ) <a name="l00246"></a>00246 conversion_flags = (conversion_flags & ~KColorMode_Mask) | <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1aacc44465eacf7b104ab9dc5a7d7f33c3" title="Convert to monochrome if possible.">Auto</a>; <a name="l00247"></a>00247 <span class="keywordflow">return</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">QPixmap::convertFromImage</a> ( img, conversion_flags ); <a name="l00248"></a>00248 } <a name="l00249"></a>00249 <a name="l00250"></a>00250 <span class="keywordflow">if</span> ( ( conversion_flags & KColorMode_Mask ) == LowOnly ) { <a name="l00251"></a>00251 <span class="comment">// Here we skimp a little on the possible conversion modes</span> <a name="l00252"></a>00252 <span class="comment">// Don't offer ordered or threshold dither of RGB channels or</span> <a name="l00253"></a>00253 <span class="comment">// diffuse or ordered dither of alpha channel. It hardly seems</span> <a name="l00254"></a>00254 <span class="comment">// worth the effort for this specialized mode.</span> <a name="l00255"></a>00255 <a name="l00256"></a>00256 <span class="comment">// If image uses icon palette don't dither it.</span> <a name="l00257"></a>00257 <span class="keywordflow">if</span>( img.<a class="codeRef" href="qimage.html#numColors">numColors</a>() > 0 && img.<a class="codeRef" href="qimage.html#numColors">numColors</a>() <=40 ) { <a name="l00258"></a>00258 <span class="keywordflow">if</span> ( <a class="code" href="classKPixmap.html#aac7f7e9309657a89a805b2aee29569d7" title="Returns true if the image posesses a color table that matches the Icon palette or false otherwise...">checkColorTable</a>( img ) ) <a name="l00259"></a>00259 <span class="keywordflow">return</span> <a class="codeRef" href="qpixmap.html#convertFromImage">QPixmap::convertFromImage</a>( img, QPixmap::Auto ); <a name="l00260"></a>00260 } <a name="l00261"></a>00261 <a name="l00262"></a>00262 <a class="codeRef" href="qbitmap.html">QBitmap</a> <a class="codeRef" href="qpixmap.html#mask">mask</a>; <a name="l00263"></a>00263 <span class="keywordtype">bool</span> isMask = <span class="keyword">false</span>; <a name="l00264"></a>00264 <a name="l00265"></a>00265 <a class="codeRef" href="qimage.html">QImage</a> image = img.<a class="codeRef" href="qimage.html#convertDepth">convertDepth</a>(32); <a name="l00266"></a>00266 <a class="codeRef" href="qimage.html">QImage</a> tImage( image.<a class="codeRef" href="qimage.html#width">width</a>(), image.<a class="codeRef" href="qimage.html#height">height</a>(), 8, 256 ); <a name="l00267"></a>00267 <a name="l00268"></a>00268 <span class="keywordflow">if</span>( img.<a class="codeRef" href="qimage.html#hasAlphaBuffer">hasAlphaBuffer</a>() ) { <a name="l00269"></a>00269 image.<a class="codeRef" href="qimage.html#setAlphaBuffer">setAlphaBuffer</a>( <span class="keyword">true</span> ); <a name="l00270"></a>00270 tImage.setAlphaBuffer( <span class="keyword">true</span> ); <a name="l00271"></a>00271 isMask = mask.convertFromImage( img.<a class="codeRef" href="qimage.html#createAlphaMask">createAlphaMask</a>() ); <a name="l00272"></a>00272 } <a name="l00273"></a>00273 <a name="l00274"></a>00274 kdither_32_to_8( &image, &tImage ); <a name="l00275"></a>00275 <a name="l00276"></a>00276 <span class="keywordflow">if</span>( <a class="codeRef" href="qpixmap.html#convertFromImage">QPixmap::convertFromImage</a>( tImage ) ) { <a name="l00277"></a>00277 <span class="keywordflow">if</span> ( isMask ) <a class="codeRef" href="qpixmap.html#setMask">QPixmap::setMask</a>( mask ); <a name="l00278"></a>00278 <span class="keywordflow">return</span> <span class="keyword">true</span>; <a name="l00279"></a>00279 } <span class="keywordflow">else</span> <a name="l00280"></a>00280 <span class="keywordflow">return</span> <span class="keyword">false</span>; <a name="l00281"></a>00281 } <span class="keywordflow">else</span> { <a name="l00282"></a>00282 <a class="codeRef" href="qimage.html">QImage</a> image = img.<a class="codeRef" href="qimage.html#convertDepth">convertDepth</a>( 32 ); <a name="l00283"></a>00283 image.<a class="codeRef" href="qimage.html#setAlphaBuffer">setAlphaBuffer</a>( img.<a class="codeRef" href="qimage.html#hasAlphaBuffer">hasAlphaBuffer</a>() ); <a name="l00284"></a>00284 conversion_flags = (conversion_flags & ~ColorMode_Mask) | <a class="code" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1aacc44465eacf7b104ab9dc5a7d7f33c3" title="Convert to monochrome if possible.">Auto</a>; <a name="l00285"></a>00285 <span class="keywordflow">return</span> <a class="code" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">QPixmap::convertFromImage</a> ( image, conversion_flags ); <a name="l00286"></a>00286 } <a name="l00287"></a>00287 } <a name="l00288"></a>00288 <a name="l00289"></a>00289 <span class="keyword">static</span> <a class="codeRef" href="qcolor.html">QColor</a>* kpixmap_iconPalette = 0; <a name="l00290"></a>00290 <a name="l00291"></a><a class="code" href="classKPixmap.html#aac7f7e9309657a89a805b2aee29569d7">00291</a> <span class="keywordtype">bool</span> <a class="code" href="classKPixmap.html#aac7f7e9309657a89a805b2aee29569d7" title="Returns true if the image posesses a color table that matches the Icon palette or false otherwise...">KPixmap::checkColorTable</a>( <span class="keyword">const</span> <a class="codeRef" href="qimage.html">QImage</a> &image ) <a name="l00292"></a>00292 { <a name="l00293"></a>00293 <span class="keywordtype">int</span> i = 0; <a name="l00294"></a>00294 <a name="l00295"></a>00295 <span class="keywordflow">if</span> (kpixmap_iconPalette == 0) { <a name="l00296"></a>00296 kpixmap_iconPalette = <span class="keyword">new</span> <a class="codeRef" href="qcolor.html">QColor</a>[40]; <a name="l00297"></a>00297 <a name="l00298"></a>00298 <span class="comment">// Standard palette</span> <a name="l00299"></a>00299 kpixmap_iconPalette[i++] = red; <a name="l00300"></a>00300 kpixmap_iconPalette[i++] = green; <a name="l00301"></a>00301 kpixmap_iconPalette[i++] = blue; <a name="l00302"></a>00302 kpixmap_iconPalette[i++] = cyan; <a name="l00303"></a>00303 kpixmap_iconPalette[i++] = magenta; <a name="l00304"></a>00304 kpixmap_iconPalette[i++] = yellow; <a name="l00305"></a>00305 kpixmap_iconPalette[i++] = darkRed; <a name="l00306"></a>00306 kpixmap_iconPalette[i++] = darkGreen; <a name="l00307"></a>00307 kpixmap_iconPalette[i++] = darkBlue; <a name="l00308"></a>00308 kpixmap_iconPalette[i++] = darkCyan; <a name="l00309"></a>00309 kpixmap_iconPalette[i++] = darkMagenta; <a name="l00310"></a>00310 kpixmap_iconPalette[i++] = darkYellow; <a name="l00311"></a>00311 kpixmap_iconPalette[i++] = white; <a name="l00312"></a>00312 kpixmap_iconPalette[i++] = lightGray; <a name="l00313"></a>00313 kpixmap_iconPalette[i++] = gray; <a name="l00314"></a>00314 kpixmap_iconPalette[i++] = darkGray; <a name="l00315"></a>00315 kpixmap_iconPalette[i++] = black; <a name="l00316"></a>00316 <a name="l00317"></a>00317 <span class="comment">// Pastels</span> <a name="l00318"></a>00318 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 192, 192 ); <a name="l00319"></a>00319 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 255, 192 ); <a name="l00320"></a>00320 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 192, 255 ); <a name="l00321"></a>00321 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 255, 192 ); <a name="l00322"></a>00322 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 192, 255 ); <a name="l00323"></a>00323 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 255, 255 ); <a name="l00324"></a>00324 <a name="l00325"></a>00325 <span class="comment">// Reds</span> <a name="l00326"></a>00326 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 64, 0, 0 ); <a name="l00327"></a>00327 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 0, 0 ); <a name="l00328"></a>00328 <a name="l00329"></a>00329 <span class="comment">// Oranges</span> <a name="l00330"></a>00330 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 128, 0 ); <a name="l00331"></a>00331 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 88, 0 ); <a name="l00332"></a>00332 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 168, 88 ); <a name="l00333"></a>00333 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 255, 220, 168 ); <a name="l00334"></a>00334 <a name="l00335"></a>00335 <span class="comment">// Blues</span> <a name="l00336"></a>00336 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 0, 0, 192 ); <a name="l00337"></a>00337 <a name="l00338"></a>00338 <span class="comment">// Turquoise</span> <a name="l00339"></a>00339 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 0, 64, 64 ); <a name="l00340"></a>00340 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 0, 192, 192 ); <a name="l00341"></a>00341 <a name="l00342"></a>00342 <span class="comment">// Yellows</span> <a name="l00343"></a>00343 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 64, 64, 0 ); <a name="l00344"></a>00344 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 192, 0 ); <a name="l00345"></a>00345 <a name="l00346"></a>00346 <span class="comment">// Greens</span> <a name="l00347"></a>00347 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 0, 64, 0 ); <a name="l00348"></a>00348 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 0, 192, 0 ); <a name="l00349"></a>00349 <a name="l00350"></a>00350 <span class="comment">// Purples</span> <a name="l00351"></a>00351 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 192, 0, 192 ); <a name="l00352"></a>00352 <a name="l00353"></a>00353 <span class="comment">// Greys</span> <a name="l00354"></a>00354 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 88, 88, 88 ); <a name="l00355"></a>00355 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 48, 48, 48 ); <a name="l00356"></a>00356 kpixmap_iconPalette[i++] = <a class="codeRef" href="qcolor.html">QColor</a>( 220, 220, 220 ); <a name="l00357"></a>00357 <a name="l00358"></a>00358 } <a name="l00359"></a>00359 <a name="l00360"></a>00360 QRgb* ctable = image.<a class="codeRef" href="qimage.html#colorTable">colorTable</a>(); <a name="l00361"></a>00361 <a name="l00362"></a>00362 <span class="keywordtype">int</span> ncols = image.<a class="codeRef" href="qimage.html#numColors">numColors</a>(); <a name="l00363"></a>00363 <span class="keywordtype">int</span> j; <a name="l00364"></a>00364 <a name="l00365"></a>00365 <span class="comment">// Allow one failure which could be transparent background</span> <a name="l00366"></a>00366 <span class="keywordtype">int</span> failures = 0; <a name="l00367"></a>00367 <a name="l00368"></a>00368 <span class="keywordflow">for</span> ( i=0; i<ncols; i++ ) { <a name="l00369"></a>00369 <span class="keywordflow">for</span> ( j=0; j<40; j++ ) { <a name="l00370"></a>00370 <span class="keywordflow">if</span> ( kpixmap_iconPalette[j].red() == qRed( ctable[i] ) && <a name="l00371"></a>00371 kpixmap_iconPalette[j].green() == qGreen( ctable[i] ) && <a name="l00372"></a>00372 kpixmap_iconPalette[j].blue() == qBlue( ctable[i] ) ) { <a name="l00373"></a>00373 <span class="keywordflow">break</span>; <a name="l00374"></a>00374 } <a name="l00375"></a>00375 } <a name="l00376"></a>00376 <a name="l00377"></a>00377 <span class="keywordflow">if</span> ( j == 40 ) { <a name="l00378"></a>00378 failures ++; <a name="l00379"></a>00379 } <a name="l00380"></a>00380 } <a name="l00381"></a>00381 <a name="l00382"></a>00382 <span class="keywordflow">return</span> ( failures <= 1 ); <a name="l00383"></a>00383 <a name="l00384"></a>00384 } <a name="l00385"></a>00385 <a name="l00386"></a><a class="code" href="classKPixmap.html#a259044638c035ac2614658c1f8e69f5f">00386</a> <a class="code" href="classKPixmap.html#a35b6cfb17e93ab78113baa5f970bbb12" title="Constructs a null pixmap.">KPixmap::KPixmap</a>(<span class="keyword">const</span> <a class="codeRef" href="qpixmap.html">QPixmap</a>& p) <a name="l00387"></a>00387 : <a class="codeRef" href="qpixmap.html">QPixmap</a>(p) <a name="l00388"></a>00388 { <a name="l00389"></a>00389 } </pre></div></div> </div> </div></div> </td> </tr> <tr> <td valign="top" id="leftmenu" width="25%"> <a 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