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<h1>kpixmapio.cpp</h1><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"> *</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 kdeui.</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"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * You can Freely distribute this program under the GNU Library General</span>
<a name="l00008"></a>00008 <span class="comment"> * Public License. See the file "COPYING.LIB" for the exact licensing terms.</span>
<a name="l00009"></a>00009 <span class="comment"> *</span>
<a name="l00010"></a>00010 <span class="comment"> * kpixmapio.cpp: Fast pixmap <-> image conversion.</span>
<a name="l00011"></a>00011 <span class="comment"> */</span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#include "kpixmapio.h"</span>
<a name="l00014"></a>00014 <span class="preprocessor">#include "config.h"</span>
<a name="l00015"></a>00015
<a name="l00016"></a>00016 <span class="preprocessor">#include <qimage.h></span>
<a name="l00017"></a>00017 <span class="preprocessor">#include <qpixmap.h></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include <qcolor.h></span>
<a name="l00019"></a>00019 <span class="preprocessor">#include <qglobal.h></span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021 <span class="preprocessor">#include <kglobal.h></span>
<a name="l00022"></a>00022 <span class="preprocessor">#include <kconfig.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="preprocessor">#include <sys/types.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#ifdef Q_OS_UNIX</span>
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#include <sys/ipc.h></span>
<a name="l00028"></a>00028 <span class="preprocessor">#include <sys/shm.h></span>
<a name="l00029"></a>00029 <span class="preprocessor">#endif</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#include <X11/X.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <X11/Xlib.h></span>
<a name="l00034"></a>00034 <span class="preprocessor">#include <X11/Xutil.h></span>
<a name="l00035"></a>00035 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#include <X11/extensions/XShm.h></span>
<a name="l00037"></a>00037 <span class="preprocessor">#endif</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#ifdef __osf__</span>
<a name="l00039"></a>00039 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> <span class="keywordtype">int</span> XShmQueryExtension(Display *display);
<a name="l00040"></a>00040 <span class="preprocessor">#endif</span>
<a name="l00041"></a>00041 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span><span class="preprocessor">#undef HAVE_MITSHM</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>
<a name="l00045"></a>00045 <span class="comment">// d pointer</span>
<a name="l00046"></a>00046
<a name="l00047"></a>00047 <span class="keyword">struct </span>KPixmapIOPrivate
<a name="l00048"></a>00048 {
<a name="l00049"></a>00049 <span class="keywordtype">int</span> shmsize;
<a name="l00050"></a>00050 <span class="keywordtype">int</span> shmpolicy;
<a name="l00051"></a>00051 <span class="keywordtype">int</span> threshold;
<a name="l00052"></a>00052 <span class="keywordtype">int</span> bpp;
<a name="l00053"></a>00053 <span class="keywordtype">int</span> byteorder;
<a name="l00054"></a>00054 <span class="preprocessor">#ifdef Q_WS_X11</span>
<a name="l00055"></a>00055 <span class="preprocessor"></span> XImage *ximage;
<a name="l00056"></a>00056 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00057"></a>00057 <span class="preprocessor"></span> XShmSegmentInfo *shminfo;
<a name="l00058"></a>00058 <span class="keywordtype">bool</span> first_try;
<a name="l00059"></a>00059 <span class="preprocessor">#endif</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#else</span>
<a name="l00061"></a>00061 <span class="preprocessor"></span> <span class="keywordtype">void</span> *ximage;
<a name="l00062"></a>00062 <span class="preprocessor">#endif</span>
<a name="l00063"></a>00063 <span class="preprocessor"></span>};
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="comment">// From Qt: Returns the position of the lowest set bit in val.</span>
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> uchar;
<a name="l00069"></a>00069 <span class="keyword">typedef</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> uint;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span><span class="keyword">static</span> <span class="keywordtype">int</span> lowest_bit(uint val)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 <span class="keywordtype">int</span> i;
<a name="l00075"></a>00075 uint test = 1;
<a name="l00076"></a>00076 <span class="keywordflow">for</span> (i=0; (!(val & test)) && i<32; i++, test<<=1);
<a name="l00077"></a>00077 <span class="keywordflow">return</span> (i == 32) ? -1 : i;
<a name="l00078"></a>00078 }
<a name="l00079"></a>00079 <span class="preprocessor">#endif</span>
<a name="l00080"></a>00080 <span class="preprocessor"></span>
<a name="l00081"></a>00081 <span class="comment">/*** KPixmapIO ***/</span>
<a name="l00082"></a>00082
<a name="l00083"></a><a class="code" href="classKPixmapIO.html#ca1c7ace4e53aaa2e1115fef8fe43059">00083</a> <a class="code" href="classKPixmapIO.html#ca1c7ace4e53aaa2e1115fef8fe43059">KPixmapIO::KPixmapIO</a>()
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 m_bShm = <span class="keyword">false</span>;
<a name="l00086"></a>00086 d = <span class="keyword">new</span> KPixmapIOPrivate;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span> <a class="code" href="classKPixmapIO.html#15de5eb7c118451cf33a673dc735d26b">setShmPolicy</a>(ShmDontKeep);
<a name="l00090"></a>00090 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKConfig.html">KConfig</a> *config = <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKGlobal.html#71532b4619923ec5f7779c5f0065e6e7">KGlobal::config</a>();
<a name="l00091"></a>00091 <span class="keywordflow">if</span> (!config-><a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/classKConfigBase.html#515c85fb1b7b3ddab4c6612cdb67bf74">readBoolEntry</a>(<span class="stringliteral">"UseMitShm"</span>, <span class="keyword">true</span>))
<a name="l00092"></a>00092 <span class="keywordflow">return</span>;
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <span class="keywordtype">int</span> ignore;
<a name="l00095"></a>00095 <span class="keywordflow">if</span> (XQueryExtension(qt_xdisplay(), <span class="stringliteral">"MIT-SHM"</span>, &ignore, &ignore, &ignore))
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keywordflow">if</span> (XShmQueryExtension(qt_xdisplay()))
<a name="l00098"></a>00098 m_bShm = <span class="keyword">true</span>;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100 <span class="keywordflow">if</span> (!m_bShm)
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#ggfbb9aa4a84d6c0563d46550454b9714b">kdDebug</a>(290) << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#ggc6aaa2ce4f4342059ece6b0ff5dfba2b">k_lineinfo</a> << <span class="stringliteral">"MIT-SHM not available!\n"</span>;
<a name="l00103"></a>00103 d->ximage = 0;
<a name="l00104"></a>00104 d->shminfo = 0;
<a name="l00105"></a>00105 d->shmsize = 0;
<a name="l00106"></a>00106 <span class="keywordflow">return</span>;
<a name="l00107"></a>00107 }
<a name="l00108"></a>00108
<a name="l00109"></a>00109 <span class="comment">// Sort out bit format. Create a temporary XImage for this.</span>
<a name="l00110"></a>00110 d->shminfo = <span class="keyword">new</span> XShmSegmentInfo;
<a name="l00111"></a>00111 d->ximage = XShmCreateImage(qt_xdisplay(), (Visual *) <a class="codeRef" doxygen="qt.tag:" href="qpaintdevice.html#x11AppVisual">QPaintDevice::x11AppVisual</a>(),
<a name="l00112"></a>00112 <a class="codeRef" doxygen="qt.tag:" href="qpaintdevice.html#x11AppDepth-2">QPaintDevice::x11AppDepth</a>(), ZPixmap, 0L, d->shminfo, 10, 10);
<a name="l00113"></a>00113 d->bpp = d->ximage->bits_per_pixel;
<a name="l00114"></a>00114 d->first_try = <span class="keyword">true</span>;
<a name="l00115"></a>00115 <span class="keywordtype">int</span> bpp = d->bpp;
<a name="l00116"></a>00116 <span class="keywordflow">if</span> (d->ximage->byte_order == LSBFirst)
<a name="l00117"></a>00117 bpp++;
<a name="l00118"></a>00118 <span class="keywordtype">int</span> red_shift = lowest_bit(d->ximage->red_mask);
<a name="l00119"></a>00119 <span class="keywordtype">int</span> green_shift = lowest_bit(d->ximage->green_mask);
<a name="l00120"></a>00120 <span class="keywordtype">int</span> blue_shift = lowest_bit(d->ximage->blue_mask);
<a name="l00121"></a>00121 XDestroyImage(d->ximage); d->ximage = 0L;
<a name="l00122"></a>00122 d->shmsize = 0;
<a name="l00123"></a>00123
<a name="l00124"></a>00124 <span class="comment">// Offer discrete possibilities for the bitformat. Each will have its</span>
<a name="l00125"></a>00125 <span class="comment">// own routine. The general algorithm using bitshifts is much too slow;</span>
<a name="l00126"></a>00126 <span class="comment">// this has to be done for every pixel!</span>
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keywordflow">if</span> ((bpp == 32) && (red_shift == 16) && (green_shift == 8) &&
<a name="l00129"></a>00129 (blue_shift == 0))
<a name="l00130"></a>00130 d->byteorder = bo32_ARGB;
<a name="l00131"></a>00131 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 33) && (red_shift == 16) && (green_shift == 8) &&
<a name="l00132"></a>00132 (blue_shift == 0))
<a name="l00133"></a>00133 d->byteorder = bo32_BGRA;
<a name="l00134"></a>00134 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 24) && (red_shift == 16) && (green_shift == 8) &&
<a name="l00135"></a>00135 (blue_shift == 0))
<a name="l00136"></a>00136 d->byteorder = bo24_RGB;
<a name="l00137"></a>00137 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 25) && (red_shift == 16) && (green_shift == 8) &&
<a name="l00138"></a>00138 (blue_shift == 0))
<a name="l00139"></a>00139 d->byteorder = bo24_BGR;
<a name="l00140"></a>00140 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 16) && (red_shift == 11) && (green_shift == 5) &&
<a name="l00141"></a>00141 (blue_shift == 0))
<a name="l00142"></a>00142 d->byteorder = bo16_RGB_565;
<a name="l00143"></a>00143 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 16) && (red_shift == 10) && (green_shift == 5) &&
<a name="l00144"></a>00144 (blue_shift == 0))
<a name="l00145"></a>00145 d->byteorder = bo16_RGB_555;
<a name="l00146"></a>00146 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 17) && (red_shift == 11) && (green_shift == 5) &&
<a name="l00147"></a>00147 (blue_shift == 0))
<a name="l00148"></a>00148 d->byteorder = bo16_BGR_565;
<a name="l00149"></a>00149 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 17) && (red_shift == 10) && (green_shift == 5) &&
<a name="l00150"></a>00150 (blue_shift == 0))
<a name="l00151"></a>00151 d->byteorder = bo16_BGR_555;
<a name="l00152"></a>00152 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ((bpp == 8) || (bpp == 9))
<a name="l00153"></a>00153 d->byteorder = bo8;
<a name="l00154"></a>00154 <span class="keywordflow">else</span>
<a name="l00155"></a>00155 {
<a name="l00156"></a>00156 m_bShm = <span class="keyword">false</span>;
<a name="l00157"></a>00157 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>(290) << <span class="stringliteral">"Byte order not supported!"</span> << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg313d520ed8f8f6b46eeef22cfb3b082a">endl</a>;
<a name="l00158"></a>00158 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>(290) << <span class="stringliteral">"red = "</span> << red_shift
<a name="l00159"></a>00159 << <span class="stringliteral">", green = "</span> << green_shift
<a name="l00160"></a>00160 << <span class="stringliteral">", blue = "</span> << blue_shift << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg313d520ed8f8f6b46eeef22cfb3b082a">endl</a>;
<a name="l00161"></a>00161 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>(290) << <span class="stringliteral">"Please report to <jansen@kde.org>\n"</span>;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 <span class="preprocessor">#else</span>
<a name="l00164"></a>00164 <span class="preprocessor"></span> d->shmsize = 0;
<a name="l00165"></a>00165 d->ximage = 0;
<a name="l00166"></a>00166 <span class="preprocessor">#endif</span>
<a name="l00167"></a>00167 <span class="preprocessor"></span>}
<a name="l00168"></a>00168
<a name="l00169"></a>00169
<a name="l00170"></a><a class="code" href="classKPixmapIO.html#07fbf5bbfaa05c6affe93cfb3cbca28c">00170</a> <a class="code" href="classKPixmapIO.html#07fbf5bbfaa05c6affe93cfb3cbca28c">KPixmapIO::~KPixmapIO</a>()
<a name="l00171"></a>00171 {
<a name="l00172"></a>00172 destroyXImage();
<a name="l00173"></a>00173 destroyShmSegment();
<a name="l00174"></a>00174 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00175"></a>00175 <span class="preprocessor"></span> <span class="keyword">delete</span> d->shminfo;
<a name="l00176"></a>00176 <span class="preprocessor">#endif</span>
<a name="l00177"></a>00177 <span class="preprocessor"></span> <span class="keyword">delete</span> d;
<a name="l00178"></a>00178 }
<a name="l00179"></a>00179
<a name="l00180"></a>00180
<a name="l00181"></a><a class="code" href="classKPixmapIO.html#c70f40601e18c29abb68692c426a996a">00181</a> <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> <a class="code" href="classKPixmapIO.html#c70f40601e18c29abb68692c426a996a">KPixmapIO::convertToPixmap</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> &img)
<a name="l00182"></a>00182 {
<a name="l00183"></a>00183 <span class="keywordtype">int</span> size = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>() * img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>();
<a name="l00184"></a>00184 <span class="keywordflow">if</span> (m_bShm && (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() > 1) && (d->bpp > 8) && (size > d->threshold))
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> dst(img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>(), img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>());
<a name="l00187"></a>00187 <a class="code" href="classKPixmapIO.html#0e0075e3f23ec18f6123cfb0b401862c">putImage</a>(&dst, 0, 0, &img);
<a name="l00188"></a>00188 <span class="keywordflow">return</span> dst;
<a name="l00189"></a>00189 } <span class="keywordflow">else</span>
<a name="l00190"></a>00190 {
<a name="l00191"></a>00191 <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> dst;
<a name="l00192"></a>00192 dst.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#convertFromImage">convertFromImage</a>(img);
<a name="l00193"></a>00193 <span class="keywordflow">return</span> dst;
<a name="l00194"></a>00194 }
<a name="l00195"></a>00195
<a name="l00196"></a>00196 }
<a name="l00197"></a>00197
<a name="l00198"></a>00198
<a name="l00199"></a><a class="code" href="classKPixmapIO.html#a62a68b23b735956a2094a21fc917484">00199</a> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> <a class="code" href="classKPixmapIO.html#a62a68b23b735956a2094a21fc917484">KPixmapIO::convertToImage</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> &pm)
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201 <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> image;
<a name="l00202"></a>00202 <span class="keywordtype">int</span> size = pm.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#width">width</a>() * pm.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#height">height</a>();
<a name="l00203"></a>00203 <span class="keywordflow">if</span> (m_bShm && (d->bpp >= 8) && (size > d->threshold))
<a name="l00204"></a>00204 image = <a class="code" href="classKPixmapIO.html#5a84f4187a2a4c1e4008dca1fefec7d5">getImage</a>(&pm, 0, 0, pm.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#width">width</a>(), pm.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#height">height</a>());
<a name="l00205"></a>00205 <span class="keywordflow">else</span>
<a name="l00206"></a>00206 image = pm.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#convertToImage">convertToImage</a>();
<a name="l00207"></a>00207 <span class="keywordflow">return</span> image;
<a name="l00208"></a>00208 }
<a name="l00209"></a>00209
<a name="l00210"></a>00210
<a name="l00211"></a><a class="code" href="classKPixmapIO.html#f2ac55963d2f491cf57f2ece97782aca">00211</a> <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#0e0075e3f23ec18f6123cfb0b401862c">KPixmapIO::putImage</a>(<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> *dst, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qpoint.html">QPoint</a> &offset,
<a name="l00212"></a>00212 <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> *src)
<a name="l00213"></a>00213 {
<a name="l00214"></a>00214 <a class="code" href="classKPixmapIO.html#0e0075e3f23ec18f6123cfb0b401862c">putImage</a>(dst, offset.<a class="codeRef" doxygen="qt.tag:" href="qpoint.html#x">x</a>(), offset.<a class="codeRef" doxygen="qt.tag:" href="qpoint.html#y">y</a>(), src);
<a name="l00215"></a>00215 }
<a name="l00216"></a>00216
<a name="l00217"></a>00217
<a name="l00218"></a><a class="code" href="classKPixmapIO.html#0e0075e3f23ec18f6123cfb0b401862c">00218</a> <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#0e0075e3f23ec18f6123cfb0b401862c">KPixmapIO::putImage</a>(<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> *dst, <span class="keywordtype">int</span> dx, <span class="keywordtype">int</span> dy, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> *src)
<a name="l00219"></a>00219 {
<a name="l00220"></a>00220 <span class="keywordtype">int</span> size = src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>() * src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>();
<a name="l00221"></a>00221 <span class="keywordtype">bool</span> fallback = <span class="keyword">true</span>;
<a name="l00222"></a>00222 <span class="keywordflow">if</span> (m_bShm && (src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() > 1) && (d->bpp > 8) && (size > d->threshold))
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00225"></a>00225 <span class="preprocessor"></span> <span class="keywordflow">if</span>( initXImage(src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>(), src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>()))
<a name="l00226"></a>00226 {
<a name="l00227"></a>00227 convertToXImage(*src);
<a name="l00228"></a>00228 XShmPutImage(qt_xdisplay(), dst->handle(), qt_xget_temp_gc(qt_xscreen(), <span class="keyword">false</span>), d->ximage,
<a name="l00229"></a>00229 dx, dy, 0, 0, src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#width">width</a>(), src-><a class="codeRef" doxygen="qt.tag:" href="qimage.html#height">height</a>(), <span class="keyword">false</span>);
<a name="l00230"></a>00230 <span class="comment">// coolo: do we really need this here? I see no good for it</span>
<a name="l00231"></a>00231 XSync(qt_xdisplay(), <span class="keyword">false</span>);
<a name="l00232"></a>00232 doneXImage();
<a name="l00233"></a>00233 fallback = <span class="keyword">false</span>;
<a name="l00234"></a>00234 }
<a name="l00235"></a>00235 <span class="preprocessor">#endif</span>
<a name="l00236"></a>00236 <span class="preprocessor"></span> }
<a name="l00237"></a>00237 <span class="keywordflow">if</span>( fallback )
<a name="l00238"></a>00238 {
<a name="l00239"></a>00239 <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> pix;
<a name="l00240"></a>00240 pix.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#convertFromImage">convertFromImage</a>(*src);
<a name="l00241"></a>00241 bitBlt(dst, dx, dy, &pix, 0, 0, pix.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#width">width</a>(), pix.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#height">height</a>());
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245
<a name="l00246"></a><a class="code" href="classKPixmapIO.html#7ed0365ca1642e85eebb4614f0334fb2">00246</a> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> <a class="code" href="classKPixmapIO.html#5a84f4187a2a4c1e4008dca1fefec7d5">KPixmapIO::getImage</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> *src, <span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qrect.html">QRect</a> &rect)
<a name="l00247"></a>00247 {
<a name="l00248"></a>00248 <span class="keywordflow">return</span> <a class="code" href="classKPixmapIO.html#5a84f4187a2a4c1e4008dca1fefec7d5">getImage</a>(src, rect.<a class="codeRef" doxygen="qt.tag:" href="qrect.html#x">x</a>(), rect.<a class="codeRef" doxygen="qt.tag:" href="qrect.html#y">y</a>(), rect.<a class="codeRef" doxygen="qt.tag:" href="qrect.html#width">width</a>(), rect.<a class="codeRef" doxygen="qt.tag:" href="qrect.html#height">height</a>());
<a name="l00249"></a>00249 }
<a name="l00250"></a>00250
<a name="l00251"></a>00251
<a name="l00252"></a><a class="code" href="classKPixmapIO.html#5a84f4187a2a4c1e4008dca1fefec7d5">00252</a> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> <a class="code" href="classKPixmapIO.html#5a84f4187a2a4c1e4008dca1fefec7d5">KPixmapIO::getImage</a>(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> *src, <span class="keywordtype">int</span> sx, <span class="keywordtype">int</span> sy, <span class="keywordtype">int</span> sw, <span class="keywordtype">int</span> sh)
<a name="l00253"></a>00253 {
<a name="l00254"></a>00254 <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> image;
<a name="l00255"></a>00255 <span class="keywordtype">int</span> size = src-><a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#width">width</a>() * src-><a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#height">height</a>();
<a name="l00256"></a>00256 <span class="keywordtype">bool</span> fallback = <span class="keyword">true</span>;
<a name="l00257"></a>00257 <span class="keywordflow">if</span> ((m_bShm) && (d->bpp >= 8) && (size > d->threshold))
<a name="l00258"></a>00258 {
<a name="l00259"></a>00259 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00260"></a>00260 <span class="preprocessor"></span> <span class="keywordflow">if</span>( initXImage(sw, sh))
<a name="l00261"></a>00261 {
<a name="l00262"></a>00262 XShmGetImage(qt_xdisplay(), src->handle(), d->ximage, sx, sy, AllPlanes);
<a name="l00263"></a>00263 image = convertFromXImage();
<a name="l00264"></a>00264 doneXImage();
<a name="l00265"></a>00265 fallback = <span class="keyword">false</span>;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267 <span class="preprocessor">#endif</span>
<a name="l00268"></a>00268 <span class="preprocessor"></span> }
<a name="l00269"></a>00269 <span class="keywordflow">if</span>( fallback )
<a name="l00270"></a>00270 {
<a name="l00271"></a>00271 <a class="codeRef" doxygen="qt.tag:" href="qpixmap.html">QPixmap</a> pix(sw, sh);
<a name="l00272"></a>00272 bitBlt(&pix, 0, 0, src, sx, sy, sw, sh);
<a name="l00273"></a>00273 image = pix.<a class="codeRef" doxygen="qt.tag:" href="qpixmap.html#convertToImage">convertToImage</a>();
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275 <span class="keywordflow">return</span> image;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="preprocessor">#ifdef HAVE_MITSHM</span>
<a name="l00280"></a>00280 <span class="preprocessor"></span>
<a name="l00281"></a>00281 <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#23352ba92b90866ccfaa9208b1c34d06">KPixmapIO::preAllocShm</a>(<span class="keywordtype">int</span> size)
<a name="l00282"></a>00282 {
<a name="l00283"></a>00283 destroyXImage();
<a name="l00284"></a>00284 createShmSegment(size);
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#15de5eb7c118451cf33a673dc735d26b">KPixmapIO::setShmPolicy</a>(<span class="keywordtype">int</span> policy)
<a name="l00289"></a>00289 {
<a name="l00290"></a>00290 <span class="keywordflow">switch</span> (policy)
<a name="l00291"></a>00291 {
<a name="l00292"></a>00292 <span class="keywordflow">case</span> ShmDontKeep:
<a name="l00293"></a>00293 d->shmpolicy = ShmDontKeep;
<a name="l00294"></a>00294 d->threshold = 5000;
<a name="l00295"></a>00295 <span class="keywordflow">break</span>;
<a name="l00296"></a>00296 <span class="keywordflow">case</span> ShmKeepAndGrow:
<a name="l00297"></a>00297 d->shmpolicy = ShmKeepAndGrow;
<a name="l00298"></a>00298 d->threshold = 2000;
<a name="l00299"></a>00299 <span class="keywordflow">break</span>;
<a name="l00300"></a>00300 <span class="keywordflow">default</span>:
<a name="l00301"></a>00301 <span class="keywordflow">break</span>;
<a name="l00302"></a>00302 }
<a name="l00303"></a>00303 }
<a name="l00304"></a>00304
<a name="l00305"></a>00305
<a name="l00306"></a>00306 <span class="keywordtype">bool</span> KPixmapIO::initXImage(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h)
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308 <span class="keywordflow">if</span> (d->ximage && (w == d->ximage->width) && (h == d->ximage->height))
<a name="l00309"></a>00309 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00310"></a>00310
<a name="l00311"></a>00311 <span class="keywordflow">if</span>( !createXImage(w, h))
<a name="l00312"></a>00312 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00313"></a>00313 <span class="keywordtype">int</span> size = d->ximage->bytes_per_line * d->ximage->height;
<a name="l00314"></a>00314 <span class="keywordflow">if</span> (size > d->shmsize)
<a name="l00315"></a>00315 {
<a name="l00316"></a>00316 <span class="keywordflow">if</span>( !createShmSegment(size))
<a name="l00317"></a>00317 {
<a name="l00318"></a>00318 destroyXImage();
<a name="l00319"></a>00319 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00320"></a>00320 }
<a name="l00321"></a>00321 }
<a name="l00322"></a>00322 d->ximage->data = d->shminfo->shmaddr;
<a name="l00323"></a>00323 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00324"></a>00324 }
<a name="l00325"></a>00325
<a name="l00326"></a>00326
<a name="l00327"></a>00327 <span class="keywordtype">void</span> KPixmapIO::doneXImage()
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329 <span class="keywordflow">if</span> (d->shmpolicy == ShmDontKeep)
<a name="l00330"></a>00330 {
<a name="l00331"></a>00331 destroyXImage();
<a name="l00332"></a>00332 destroyShmSegment();
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334 }
<a name="l00335"></a>00335
<a name="l00336"></a>00336
<a name="l00337"></a>00337 <span class="keywordtype">void</span> KPixmapIO::destroyXImage()
<a name="l00338"></a>00338 {
<a name="l00339"></a>00339 <span class="keywordflow">if</span> (d->ximage)
<a name="l00340"></a>00340 {
<a name="l00341"></a>00341 XDestroyImage(d->ximage);
<a name="l00342"></a>00342 d->ximage = 0L;
<a name="l00343"></a>00343 }
<a name="l00344"></a>00344 }
<a name="l00345"></a>00345
<a name="l00346"></a>00346
<a name="l00347"></a>00347 <span class="keywordtype">bool</span> KPixmapIO::createXImage(<span class="keywordtype">int</span> w, <span class="keywordtype">int</span> h)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 destroyXImage();
<a name="l00350"></a>00350 d->ximage = XShmCreateImage(qt_xdisplay(), (Visual *) <a class="codeRef" doxygen="qt.tag:" href="qpaintdevice.html#x11AppVisual">QPaintDevice::x11AppVisual</a>(),
<a name="l00351"></a>00351 <a class="codeRef" doxygen="qt.tag:" href="qpaintdevice.html#x11AppDepth-2">QPaintDevice::x11AppDepth</a>(), ZPixmap, 0L, d->shminfo, w, h);
<a name="l00352"></a>00352 <span class="keywordflow">return</span> d->ximage != None;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="keywordtype">void</span> KPixmapIO::destroyShmSegment()
<a name="l00357"></a>00357 {
<a name="l00358"></a>00358 <span class="keywordflow">if</span> (d->shmsize)
<a name="l00359"></a>00359 {
<a name="l00360"></a>00360 XShmDetach(qt_xdisplay(), d->shminfo);
<a name="l00361"></a>00361 shmdt(d->shminfo->shmaddr);
<a name="l00362"></a>00362 shmctl(d->shminfo->shmid, IPC_RMID, 0);
<a name="l00363"></a>00363 d->shmsize = 0;
<a name="l00364"></a>00364 }
<a name="l00365"></a>00365 }
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="keyword">static</span> <span class="keywordtype">bool</span> use_xshm = <span class="keyword">true</span>;
<a name="l00368"></a>00368 <span class="keyword">static</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> kpixmapio_serial;
<a name="l00369"></a>00369 <span class="keyword">static</span> int (*old_errhandler)(Display *dpy, XErrorEvent *ev) = 0;
<a name="l00370"></a>00370
<a name="l00371"></a>00371 <span class="keyword">static</span> <span class="keywordtype">int</span> kpixmapio_errorhandler(Display *dpy, XErrorEvent *ev)
<a name="l00372"></a>00372 {
<a name="l00373"></a>00373 <span class="keywordflow">if</span>(ev->serial == kpixmapio_serial) {
<a name="l00374"></a>00374 <span class="comment">/* assuming that xshm errors mean it can't be used at all</span>
<a name="l00375"></a>00375 <span class="comment"> (e.g. remote display) */</span>
<a name="l00376"></a>00376 use_xshm = <span class="keyword">false</span>;
<a name="l00377"></a>00377 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#ggfbb9aa4a84d6c0563d46550454b9714b">kdDebug</a>(290) << <span class="stringliteral">"Disabling Xshm"</span> << <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg313d520ed8f8f6b46eeef22cfb3b082a">endl</a>;
<a name="l00378"></a>00378 <span class="keywordflow">return</span> 0;
<a name="l00379"></a>00379 } <span class="keywordflow">else</span> {
<a name="l00380"></a>00380 <span class="comment">// another error</span>
<a name="l00381"></a>00381 <span class="keywordflow">return</span> old_errhandler(dpy, ev);
<a name="l00382"></a>00382 }
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384
<a name="l00385"></a>00385 <span class="keywordtype">bool</span> KPixmapIO::createShmSegment(<span class="keywordtype">int</span> size)
<a name="l00386"></a>00386 {
<a name="l00387"></a>00387 destroyShmSegment();
<a name="l00388"></a>00388 d->shminfo->shmid = shmget(IPC_PRIVATE, size, IPC_CREAT|0600);
<a name="l00389"></a>00389 <span class="keywordflow">if</span> ( d->shminfo->shmid < 0)
<a name="l00390"></a>00390 {
<a name="l00391"></a>00391 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>(290) << <span class="stringliteral">"Could not get shared memory segment.\n"</span>;
<a name="l00392"></a>00392 m_bShm = <span class="keyword">false</span>;
<a name="l00393"></a>00393 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395
<a name="l00396"></a>00396 d->shminfo->shmaddr = (<span class="keywordtype">char</span> *) shmat(d->shminfo->shmid, 0, 0);
<a name="l00397"></a>00397 <span class="keywordflow">if</span> (d->shminfo->shmaddr == (<span class="keywordtype">char</span> *)-1)
<a name="l00398"></a>00398 {
<a name="l00399"></a>00399 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>(290) << <span class="stringliteral">"Could not attach shared memory segment.\n"</span>;
<a name="l00400"></a>00400 m_bShm = <span class="keyword">false</span>;
<a name="l00401"></a>00401 shmctl(d->shminfo->shmid, IPC_RMID, 0);
<a name="l00402"></a>00402 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00403"></a>00403 }
<a name="l00404"></a>00404
<a name="l00405"></a>00405 d->shminfo->readOnly = <span class="keyword">false</span>;
<a name="l00406"></a>00406
<a name="l00407"></a>00407 <span class="keywordflow">if</span> (d->first_try) {
<a name="l00408"></a>00408 <span class="comment">// make sure that we don't get errors of old stuff</span>
<a name="l00409"></a>00409 XSync(qt_xdisplay(), False);
<a name="l00410"></a>00410 old_errhandler = XSetErrorHandler(kpixmapio_errorhandler);
<a name="l00411"></a>00411 kpixmapio_serial = NextRequest(qt_xdisplay());
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="keywordflow">if</span> ( !XShmAttach(qt_xdisplay(), d->shminfo))
<a name="l00415"></a>00415 {
<a name="l00416"></a>00416 <a class="codeRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/group__kdebug.html#gg9acd682001598171edf8ecb104fdad2b">kdWarning</a>() << <span class="stringliteral">"X-Server could not attach shared memory segment.\n"</span>;
<a name="l00417"></a>00417 m_bShm = <span class="keyword">false</span>;
<a name="l00418"></a>00418 shmdt(d->shminfo->shmaddr);
<a name="l00419"></a>00419 shmctl(d->shminfo->shmid, IPC_RMID, 0);
<a name="l00420"></a>00420 }
<a name="l00421"></a>00421
<a name="l00422"></a>00422 <span class="keywordflow">if</span> (d->first_try) {
<a name="l00423"></a>00423 XSync(qt_xdisplay(), <span class="keyword">false</span>);
<a name="l00424"></a>00424
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (!use_xshm)
<a name="l00426"></a>00426 m_bShm = <span class="keyword">false</span>;
<a name="l00427"></a>00427
<a name="l00428"></a>00428 XSetErrorHandler(old_errhandler);
<a name="l00429"></a>00429 d->first_try = <span class="keyword">false</span>;
<a name="l00430"></a>00430 }
<a name="l00431"></a>00431 d->shmsize = size;
<a name="l00432"></a>00432
<a name="l00433"></a>00433 <span class="keywordflow">return</span> m_bShm;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436
<a name="l00437"></a>00437 <span class="comment">/*</span>
<a name="l00438"></a>00438 <span class="comment"> * The following functions convertToXImage/convertFromXImage are a little</span>
<a name="l00439"></a>00439 <span class="comment"> * long. This is because of speed, I want to get as much out of the inner</span>
<a name="l00440"></a>00440 <span class="comment"> * loop as possible.</span>
<a name="l00441"></a>00441 <span class="comment"> */</span>
<a name="l00442"></a>00442
<a name="l00443"></a>00443 <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> KPixmapIO::convertFromXImage()
<a name="l00444"></a>00444 {
<a name="l00445"></a>00445 <span class="keywordtype">int</span> x, y;
<a name="l00446"></a>00446 <span class="keywordtype">int</span> width = d->ximage->width, height = d->ximage->height;
<a name="l00447"></a>00447 <span class="keywordtype">int</span> bpl = d->ximage->bytes_per_line;
<a name="l00448"></a>00448 <span class="keywordtype">char</span> *data = d->ximage->data;
<a name="l00449"></a>00449
<a name="l00450"></a>00450 <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> image;
<a name="l00451"></a>00451 <span class="keywordflow">if</span> (d->bpp == 8)
<a name="l00452"></a>00452 {
<a name="l00453"></a>00453 image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#create">create</a>(width, height, 8);
<a name="l00454"></a>00454
<a name="l00455"></a>00455 <span class="comment">// Query color map. Don't remove unused entries as a speed</span>
<a name="l00456"></a>00456 <span class="comment">// optmization.</span>
<a name="l00457"></a>00457 <span class="keywordtype">int</span> i, ncells = 256;
<a name="l00458"></a>00458 XColor *cmap = <span class="keyword">new</span> XColor[ncells];
<a name="l00459"></a>00459 <span class="keywordflow">for</span> (i=0; i<ncells; i++)
<a name="l00460"></a>00460 cmap[i].pixel = i;
<a name="l00461"></a>00461 XQueryColors(qt_xdisplay(), <a class="codeRef" doxygen="qt.tag:" href="qpaintdevice.html#x11AppColormap">QPaintDevice::x11AppColormap</a>(),
<a name="l00462"></a>00462 cmap, ncells);
<a name="l00463"></a>00463 image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#setNumColors">setNumColors</a>(ncells);
<a name="l00464"></a>00464 <span class="keywordflow">for</span> (i=0; i<ncells; i++)
<a name="l00465"></a>00465 image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#setColor">setColor</a>(i, qRgb(cmap[i].red, cmap[i].green, cmap[i].blue >> 8));
<a name="l00466"></a>00466 } <span class="keywordflow">else</span>
<a name="l00467"></a>00467 image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#create">create</a>(width, height, 32);
<a name="l00468"></a>00468
<a name="l00469"></a>00469 <span class="keywordflow">switch</span> (d->byteorder)
<a name="l00470"></a>00470 {
<a name="l00471"></a>00471
<a name="l00472"></a>00472 <span class="keywordflow">case</span> bo8:
<a name="l00473"></a>00473 {
<a name="l00474"></a>00474 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00475"></a>00475 memcpy(image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y), data + y*bpl, width);
<a name="l00476"></a>00476 <span class="keywordflow">break</span>;
<a name="l00477"></a>00477 }
<a name="l00478"></a>00478
<a name="l00479"></a>00479 <span class="keywordflow">case</span> bo16_RGB_565:
<a name="l00480"></a>00480 <span class="keywordflow">case</span> bo16_BGR_565:
<a name="l00481"></a>00481 {
<a name="l00482"></a>00482 Q_INT32 pixel, *src;
<a name="l00483"></a>00483 QRgb *dst, val;
<a name="l00484"></a>00484 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00485"></a>00485 {
<a name="l00486"></a>00486 src = (Q_INT32 *) (data + y*bpl);
<a name="l00487"></a>00487 dst = (QRgb *) image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00488"></a>00488 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00489"></a>00489 {
<a name="l00490"></a>00490 pixel = *src++;
<a name="l00491"></a>00491 val = ((pixel & 0xf800) << 8) | ((pixel & 0x7e0) << 5) |
<a name="l00492"></a>00492 ((pixel & 0x1f) << 3);
<a name="l00493"></a>00493 *dst++ = val;
<a name="l00494"></a>00494 pixel >>= 16;
<a name="l00495"></a>00495 val = ((pixel & 0xf800) << 8) | ((pixel & 0x7e0) << 5) |
<a name="l00496"></a>00496 ((pixel & 0x1f) << 3);
<a name="l00497"></a>00497 *dst++ = val;
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499 <span class="keywordflow">if</span> (width%2)
<a name="l00500"></a>00500 {
<a name="l00501"></a>00501 pixel = *src++;
<a name="l00502"></a>00502 val = ((pixel & 0xf800) << 8) | ((pixel & 0x7e0) << 5) |
<a name="l00503"></a>00503 ((pixel & 0x1f) << 3);
<a name="l00504"></a>00504 *dst++ = val;
<a name="l00505"></a>00505 }
<a name="l00506"></a>00506 }
<a name="l00507"></a>00507 <span class="keywordflow">break</span>;
<a name="l00508"></a>00508 }
<a name="l00509"></a>00509
<a name="l00510"></a>00510 <span class="keywordflow">case</span> bo16_RGB_555:
<a name="l00511"></a>00511 <span class="keywordflow">case</span> bo16_BGR_555:
<a name="l00512"></a>00512 {
<a name="l00513"></a>00513 Q_INT32 pixel, *src;
<a name="l00514"></a>00514 QRgb *dst, val;
<a name="l00515"></a>00515 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00516"></a>00516 {
<a name="l00517"></a>00517 src = (Q_INT32 *) (data + y*bpl);
<a name="l00518"></a>00518 dst = (QRgb *) image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00519"></a>00519 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00520"></a>00520 {
<a name="l00521"></a>00521 pixel = *src++;
<a name="l00522"></a>00522 val = ((pixel & 0x7c00) << 9) | ((pixel & 0x3e0) << 6) |
<a name="l00523"></a>00523 ((pixel & 0x1f) << 3);
<a name="l00524"></a>00524 *dst++ = val;
<a name="l00525"></a>00525 pixel >>= 16;
<a name="l00526"></a>00526 val = ((pixel & 0x7c00) << 9) | ((pixel & 0x3e0) << 6) |
<a name="l00527"></a>00527 ((pixel & 0x1f) << 3);
<a name="l00528"></a>00528 *dst++ = val;
<a name="l00529"></a>00529 }
<a name="l00530"></a>00530 <span class="keywordflow">if</span> (width%2)
<a name="l00531"></a>00531 {
<a name="l00532"></a>00532 pixel = *src++;
<a name="l00533"></a>00533 val = ((pixel & 0x7c00) << 9) | ((pixel & 0x3e0) << 6) |
<a name="l00534"></a>00534 ((pixel & 0x1f) << 3);
<a name="l00535"></a>00535 *dst++ = val;
<a name="l00536"></a>00536 }
<a name="l00537"></a>00537 }
<a name="l00538"></a>00538 <span class="keywordflow">break</span>;
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540
<a name="l00541"></a>00541 <span class="keywordflow">case</span> bo24_RGB:
<a name="l00542"></a>00542 {
<a name="l00543"></a>00543 <span class="keywordtype">char</span> *src;
<a name="l00544"></a>00544 QRgb *dst;
<a name="l00545"></a>00545 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00546"></a>00546 Q_INT32 d1, d2, d3;
<a name="l00547"></a>00547 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00548"></a>00548 {
<a name="l00549"></a>00549 src = data + y*bpl;
<a name="l00550"></a>00550 dst = (QRgb *) image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00551"></a>00551 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00552"></a>00552 {
<a name="l00553"></a>00553 d1 = *((Q_INT32 *)src);
<a name="l00554"></a>00554 d2 = *((Q_INT32 *)src + 1);
<a name="l00555"></a>00555 d3 = *((Q_INT32 *)src + 2);
<a name="l00556"></a>00556 src += 12;
<a name="l00557"></a>00557 *dst++ = d1;
<a name="l00558"></a>00558 *dst++ = (d1 >> 24) | (d2 << 8);
<a name="l00559"></a>00559 *dst++ = (d3 << 16) | (d2 >> 16);
<a name="l00560"></a>00560 *dst++ = d3 >> 8;
<a name="l00561"></a>00561 }
<a name="l00562"></a>00562 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00563"></a>00563 {
<a name="l00564"></a>00564 d1 = *src++ << 16;
<a name="l00565"></a>00565 d1 += *src++ << 8;
<a name="l00566"></a>00566 d1 += *src++;
<a name="l00567"></a>00567 *dst++ = d1;
<a name="l00568"></a>00568 }
<a name="l00569"></a>00569 }
<a name="l00570"></a>00570 <span class="keywordflow">break</span>;
<a name="l00571"></a>00571 }
<a name="l00572"></a>00572
<a name="l00573"></a>00573 <span class="keywordflow">case</span> bo24_BGR:
<a name="l00574"></a>00574 {
<a name="l00575"></a>00575 <span class="keywordtype">char</span> *src;
<a name="l00576"></a>00576 QRgb *dst;
<a name="l00577"></a>00577 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00578"></a>00578 Q_INT32 d1, d2, d3;
<a name="l00579"></a>00579 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00580"></a>00580 {
<a name="l00581"></a>00581 src = data + y*bpl;
<a name="l00582"></a>00582 dst = (QRgb *) image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00583"></a>00583 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00584"></a>00584 {
<a name="l00585"></a>00585 d1 = *((Q_INT32 *)src);
<a name="l00586"></a>00586 d2 = *((Q_INT32 *)src + 1);
<a name="l00587"></a>00587 d3 = *((Q_INT32 *)src + 2);
<a name="l00588"></a>00588 src += 12;
<a name="l00589"></a>00589 *dst++ = d1;
<a name="l00590"></a>00590 *dst++ = (d1 >> 24) | (d2 << 8);
<a name="l00591"></a>00591 *dst++ = (d3 << 16) | (d2 >> 16);
<a name="l00592"></a>00592 *dst++ = d3 >> 8;
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00595"></a>00595 {
<a name="l00596"></a>00596 d1 = *src++;
<a name="l00597"></a>00597 d1 += *src++ << 8;
<a name="l00598"></a>00598 d1 += *src++ << 16;
<a name="l00599"></a>00599 *dst++ = d1;
<a name="l00600"></a>00600 }
<a name="l00601"></a>00601 }
<a name="l00602"></a>00602 <span class="keywordflow">break</span>;
<a name="l00603"></a>00603 }
<a name="l00604"></a>00604
<a name="l00605"></a>00605 <span class="keywordflow">case</span> bo32_ARGB:
<a name="l00606"></a>00606 <span class="keywordflow">case</span> bo32_BGRA:
<a name="l00607"></a>00607 {
<a name="l00608"></a>00608 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00609"></a>00609 memcpy(image.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y), data + y*bpl, width*4);
<a name="l00610"></a>00610 <span class="keywordflow">break</span>;
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612
<a name="l00613"></a>00613 }
<a name="l00614"></a>00614
<a name="l00615"></a>00615 <span class="keywordflow">return</span> image;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617
<a name="l00618"></a>00618
<a name="l00619"></a>00619 <span class="keywordtype">void</span> KPixmapIO::convertToXImage(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> &img)
<a name="l00620"></a>00620 {
<a name="l00621"></a>00621 <span class="keywordtype">int</span> x, y;
<a name="l00622"></a>00622 <span class="keywordtype">int</span> width = d->ximage->width, height = d->ximage->height;
<a name="l00623"></a>00623 <span class="keywordtype">int</span> bpl = d->ximage->bytes_per_line;
<a name="l00624"></a>00624 <span class="keywordtype">char</span> *data = d->ximage->data;
<a name="l00625"></a>00625
<a name="l00626"></a>00626 <span class="keywordflow">switch</span> (d->byteorder)
<a name="l00627"></a>00627 {
<a name="l00628"></a>00628
<a name="l00629"></a>00629 <span class="keywordflow">case</span> bo16_RGB_555:
<a name="l00630"></a>00630 <span class="keywordflow">case</span> bo16_BGR_555:
<a name="l00631"></a>00631
<a name="l00632"></a>00632 <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() == 32)
<a name="l00633"></a>00633 {
<a name="l00634"></a>00634 QRgb *src, pixel;
<a name="l00635"></a>00635 Q_INT32 *dst, val;
<a name="l00636"></a>00636 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00637"></a>00637 {
<a name="l00638"></a>00638 src = (QRgb *) img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00639"></a>00639 dst = (Q_INT32 *) (data + y*bpl);
<a name="l00640"></a>00640 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00641"></a>00641 {
<a name="l00642"></a>00642 pixel = *src++;
<a name="l00643"></a>00643 val = ((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) |
<a name="l00644"></a>00644 ((pixel & 0xff) >> 3);
<a name="l00645"></a>00645 pixel = *src++;
<a name="l00646"></a>00646 val |= (((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) |
<a name="l00647"></a>00647 ((pixel & 0xff) >> 3)) << 16;
<a name="l00648"></a>00648 *dst++ = val;
<a name="l00649"></a>00649 }
<a name="l00650"></a>00650 <span class="keywordflow">if</span> (width%2)
<a name="l00651"></a>00651 {
<a name="l00652"></a>00652 pixel = *src++;
<a name="l00653"></a>00653 *((Q_INT16 *)dst) = ((pixel & 0xf80000) >> 9) |
<a name="l00654"></a>00654 ((pixel & 0xf800) >> 6) | ((pixel & 0xff) >> 3);
<a name="l00655"></a>00655 }
<a name="l00656"></a>00656 }
<a name="l00657"></a>00657 } <span class="keywordflow">else</span>
<a name="l00658"></a>00658 {
<a name="l00659"></a>00659 uchar *src;
<a name="l00660"></a>00660 Q_INT32 val, *dst;
<a name="l00661"></a>00661 QRgb pixel, *clut = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#colorTable">colorTable</a>();
<a name="l00662"></a>00662 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00663"></a>00663 {
<a name="l00664"></a>00664 src = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00665"></a>00665 dst = (Q_INT32 *) (data + y*bpl);
<a name="l00666"></a>00666 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00667"></a>00667 {
<a name="l00668"></a>00668 pixel = clut[*src++];
<a name="l00669"></a>00669 val = ((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) |
<a name="l00670"></a>00670 ((pixel & 0xff) >> 3);
<a name="l00671"></a>00671 pixel = clut[*src++];
<a name="l00672"></a>00672 val |= (((pixel & 0xf80000) >> 9) | ((pixel & 0xf800) >> 6) |
<a name="l00673"></a>00673 ((pixel & 0xff) >> 3)) << 16;
<a name="l00674"></a>00674 *dst++ = val;
<a name="l00675"></a>00675 }
<a name="l00676"></a>00676 <span class="keywordflow">if</span> (width%2)
<a name="l00677"></a>00677 {
<a name="l00678"></a>00678 pixel = clut[*src++];
<a name="l00679"></a>00679 *((Q_INT16 *)dst) = ((pixel & 0xf80000) >> 9) |
<a name="l00680"></a>00680 ((pixel & 0xf800) >> 6) | ((pixel & 0xff) >> 3);
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682 }
<a name="l00683"></a>00683 }
<a name="l00684"></a>00684 <span class="keywordflow">break</span>;
<a name="l00685"></a>00685
<a name="l00686"></a>00686 <span class="keywordflow">case</span> bo16_RGB_565:
<a name="l00687"></a>00687 <span class="keywordflow">case</span> bo16_BGR_565:
<a name="l00688"></a>00688
<a name="l00689"></a>00689 <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() == 32)
<a name="l00690"></a>00690 {
<a name="l00691"></a>00691 QRgb *src, pixel;
<a name="l00692"></a>00692 Q_INT32 *dst, val;
<a name="l00693"></a>00693 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00694"></a>00694 {
<a name="l00695"></a>00695 src = (QRgb *) img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00696"></a>00696 dst = (Q_INT32 *) (data + y*bpl);
<a name="l00697"></a>00697 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00698"></a>00698 {
<a name="l00699"></a>00699 pixel = *src++;
<a name="l00700"></a>00700 val = ((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) |
<a name="l00701"></a>00701 ((pixel & 0xff) >> 3);
<a name="l00702"></a>00702 pixel = *src++;
<a name="l00703"></a>00703 val |= (((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) |
<a name="l00704"></a>00704 ((pixel & 0xff) >> 3)) << 16;
<a name="l00705"></a>00705 *dst++ = val;
<a name="l00706"></a>00706 }
<a name="l00707"></a>00707 <span class="keywordflow">if</span> (width%2)
<a name="l00708"></a>00708 {
<a name="l00709"></a>00709 pixel = *src++;
<a name="l00710"></a>00710 *((Q_INT16 *)dst) = ((pixel & 0xf80000) >> 8) |
<a name="l00711"></a>00711 ((pixel & 0xfc00) >> 5) | ((pixel & 0xff) >> 3);
<a name="l00712"></a>00712 }
<a name="l00713"></a>00713 }
<a name="l00714"></a>00714 } <span class="keywordflow">else</span>
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 uchar *src;
<a name="l00717"></a>00717 Q_INT32 val, *dst;
<a name="l00718"></a>00718 QRgb pixel, *clut = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#colorTable">colorTable</a>();
<a name="l00719"></a>00719 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00720"></a>00720 {
<a name="l00721"></a>00721 src = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00722"></a>00722 dst = (Q_INT32 *) (data + y*bpl);
<a name="l00723"></a>00723 <span class="keywordflow">for</span> (x=0; x<width/2; x++)
<a name="l00724"></a>00724 {
<a name="l00725"></a>00725 pixel = clut[*src++];
<a name="l00726"></a>00726 val = ((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) |
<a name="l00727"></a>00727 ((pixel & 0xff) >> 3);
<a name="l00728"></a>00728 pixel = clut[*src++];
<a name="l00729"></a>00729 val |= (((pixel & 0xf80000) >> 8) | ((pixel & 0xfc00) >> 5) |
<a name="l00730"></a>00730 ((pixel & 0xff) >> 3)) << 16;
<a name="l00731"></a>00731 *dst++ = val;
<a name="l00732"></a>00732 }
<a name="l00733"></a>00733 <span class="keywordflow">if</span> (width%2)
<a name="l00734"></a>00734 {
<a name="l00735"></a>00735 pixel = clut[*src++];
<a name="l00736"></a>00736 *((Q_INT16 *)dst) = ((pixel & 0xf80000) >> 8) |
<a name="l00737"></a>00737 ((pixel & 0xfc00) >> 5) | ((pixel & 0xff) >> 3);
<a name="l00738"></a>00738 }
<a name="l00739"></a>00739 }
<a name="l00740"></a>00740 }
<a name="l00741"></a>00741 <span class="keywordflow">break</span>;
<a name="l00742"></a>00742
<a name="l00743"></a>00743 <span class="keywordflow">case</span> bo24_RGB:
<a name="l00744"></a>00744
<a name="l00745"></a>00745 <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() == 32)
<a name="l00746"></a>00746 {
<a name="l00747"></a>00747 <span class="keywordtype">char</span> *dst;
<a name="l00748"></a>00748 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00749"></a>00749 QRgb *src, d1, d2, d3, d4;
<a name="l00750"></a>00750 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00751"></a>00751 {
<a name="l00752"></a>00752 src = (QRgb *) img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00753"></a>00753 dst = data + y*bpl;
<a name="l00754"></a>00754 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00755"></a>00755 {
<a name="l00756"></a>00756 d1 = (*src++ & 0xffffff);
<a name="l00757"></a>00757 d2 = (*src++ & 0xffffff);
<a name="l00758"></a>00758 d3 = (*src++ & 0xffffff);
<a name="l00759"></a>00759 d4 = (*src++ & 0xffffff);
<a name="l00760"></a>00760 *((Q_INT32 *)dst) = d1 | (d2 << 24);
<a name="l00761"></a>00761 *((Q_INT32 *)dst+1) = (d2 >> 8) | (d3 << 16);
<a name="l00762"></a>00762 *((Q_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16);
<a name="l00763"></a>00763 dst += 12;
<a name="l00764"></a>00764 }
<a name="l00765"></a>00765 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 d1 = *src++;
<a name="l00768"></a>00768 *dst++ = qRed(d1);
<a name="l00769"></a>00769 *dst++ = qGreen(d1);
<a name="l00770"></a>00770 *dst++ = qBlue(d1);
<a name="l00771"></a>00771 }
<a name="l00772"></a>00772 }
<a name="l00773"></a>00773 } <span class="keywordflow">else</span>
<a name="l00774"></a>00774 {
<a name="l00775"></a>00775 uchar *src, *dst;
<a name="l00776"></a>00776 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00777"></a>00777 QRgb *clut = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#colorTable">colorTable</a>(), d1, d2, d3, d4;
<a name="l00778"></a>00778 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00779"></a>00779 {
<a name="l00780"></a>00780 src = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00781"></a>00781 dst = (uchar *) data + y*bpl;
<a name="l00782"></a>00782 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00783"></a>00783 {
<a name="l00784"></a>00784 d1 = (clut[*src++] & 0xffffff);
<a name="l00785"></a>00785 d2 = (clut[*src++] & 0xffffff);
<a name="l00786"></a>00786 d3 = (clut[*src++] & 0xffffff);
<a name="l00787"></a>00787 d4 = (clut[*src++] & 0xffffff);
<a name="l00788"></a>00788 *((Q_INT32 *)dst) = d1 | (d2 << 24);
<a name="l00789"></a>00789 *((Q_INT32 *)dst+1) = (d2 >> 8) | (d3 << 16);
<a name="l00790"></a>00790 *((Q_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16);
<a name="l00791"></a>00791 dst += 12;
<a name="l00792"></a>00792 }
<a name="l00793"></a>00793 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00794"></a>00794 {
<a name="l00795"></a>00795 d1 = clut[*src++];
<a name="l00796"></a>00796 *dst++ = qRed(d1);
<a name="l00797"></a>00797 *dst++ = qGreen(d1);
<a name="l00798"></a>00798 *dst++ = qBlue(d1);
<a name="l00799"></a>00799 }
<a name="l00800"></a>00800 }
<a name="l00801"></a>00801 }
<a name="l00802"></a>00802 <span class="keywordflow">break</span>;
<a name="l00803"></a>00803
<a name="l00804"></a>00804 <span class="keywordflow">case</span> bo24_BGR:
<a name="l00805"></a>00805
<a name="l00806"></a>00806 <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() == 32)
<a name="l00807"></a>00807 {
<a name="l00808"></a>00808 <span class="keywordtype">char</span> *dst;
<a name="l00809"></a>00809 QRgb *src, d1, d2, d3, d4;
<a name="l00810"></a>00810 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00811"></a>00811 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00812"></a>00812 {
<a name="l00813"></a>00813 src = (QRgb *) img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00814"></a>00814 dst = data + y*bpl;
<a name="l00815"></a>00815 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00816"></a>00816 {
<a name="l00817"></a>00817 d1 = (*src++ & 0xffffff);
<a name="l00818"></a>00818 d2 = (*src++ & 0xffffff);
<a name="l00819"></a>00819 d3 = (*src++ & 0xffffff);
<a name="l00820"></a>00820 d4 = (*src++ & 0xffffff);
<a name="l00821"></a>00821 *((Q_INT32 *)dst) = d1 | (d2 << 24);
<a name="l00822"></a>00822 *((Q_INT32 *)dst+1) = (d2 >> 8) | (d3 << 16);
<a name="l00823"></a>00823 *((Q_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16);
<a name="l00824"></a>00824 dst += 12;
<a name="l00825"></a>00825 }
<a name="l00826"></a>00826 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00827"></a>00827 {
<a name="l00828"></a>00828 d1 = *src++;
<a name="l00829"></a>00829 *dst++ = qBlue(d1);
<a name="l00830"></a>00830 *dst++ = qGreen(d1);
<a name="l00831"></a>00831 *dst++ = qRed(d1);
<a name="l00832"></a>00832 }
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834 } <span class="keywordflow">else</span>
<a name="l00835"></a>00835 {
<a name="l00836"></a>00836 uchar *src, *dst;
<a name="l00837"></a>00837 <span class="keywordtype">int</span> w1 = width/4;
<a name="l00838"></a>00838 QRgb *clut = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#colorTable">colorTable</a>(), d1, d2, d3, d4;
<a name="l00839"></a>00839 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00840"></a>00840 {
<a name="l00841"></a>00841 src = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00842"></a>00842 dst = (uchar *) data + y*bpl;
<a name="l00843"></a>00843 <span class="keywordflow">for</span> (x=0; x<w1; x++)
<a name="l00844"></a>00844 {
<a name="l00845"></a>00845 d1 = (clut[*src++] & 0xffffff);
<a name="l00846"></a>00846 d2 = (clut[*src++] & 0xffffff);
<a name="l00847"></a>00847 d3 = (clut[*src++] & 0xffffff);
<a name="l00848"></a>00848 d4 = (clut[*src++] & 0xffffff);
<a name="l00849"></a>00849 *((Q_INT32 *)dst) = d1 | (d2 << 24);
<a name="l00850"></a>00850 *((Q_INT32 *)dst+1) = (d2 >> 8) | (d3 << 16);
<a name="l00851"></a>00851 *((Q_INT32 *)dst+2) = (d4 << 8) | (d3 >> 16);
<a name="l00852"></a>00852 dst += 12;
<a name="l00853"></a>00853 }
<a name="l00854"></a>00854 <span class="keywordflow">for</span> (x=w1*4; x<width; x++)
<a name="l00855"></a>00855 {
<a name="l00856"></a>00856 d1 = clut[*src++];
<a name="l00857"></a>00857 *dst++ = qBlue(d1);
<a name="l00858"></a>00858 *dst++ = qGreen(d1);
<a name="l00859"></a>00859 *dst++ = qRed(d1);
<a name="l00860"></a>00860 }
<a name="l00861"></a>00861 }
<a name="l00862"></a>00862 }
<a name="l00863"></a>00863 <span class="keywordflow">break</span>;
<a name="l00864"></a>00864
<a name="l00865"></a>00865 <span class="keywordflow">case</span> bo32_ARGB:
<a name="l00866"></a>00866 <span class="keywordflow">case</span> bo32_BGRA:
<a name="l00867"></a>00867
<a name="l00868"></a>00868 <span class="keywordflow">if</span> (img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#depth">depth</a>() == 32)
<a name="l00869"></a>00869 {
<a name="l00870"></a>00870 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00871"></a>00871 memcpy(data + y*bpl, img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y), width*4);
<a name="l00872"></a>00872 } <span class="keywordflow">else</span>
<a name="l00873"></a>00873 {
<a name="l00874"></a>00874 uchar *src;
<a name="l00875"></a>00875 QRgb *dst, *clut = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#colorTable">colorTable</a>();
<a name="l00876"></a>00876 <span class="keywordflow">for</span> (y=0; y<height; y++)
<a name="l00877"></a>00877 {
<a name="l00878"></a>00878 src = img.<a class="codeRef" doxygen="qt.tag:" href="qimage.html#scanLine">scanLine</a>(y);
<a name="l00879"></a>00879 dst = (QRgb *) (data + y*bpl);
<a name="l00880"></a>00880 <span class="keywordflow">for</span> (x=0; x<width; x++)
<a name="l00881"></a>00881 *dst++ = clut[*src++];
<a name="l00882"></a>00882 }
<a name="l00883"></a>00883 }
<a name="l00884"></a>00884 <span class="keywordflow">break</span>;
<a name="l00885"></a>00885
<a name="l00886"></a>00886 }
<a name="l00887"></a>00887 }
<a name="l00888"></a>00888
<a name="l00889"></a>00889 <span class="preprocessor">#else</span>
<a name="l00890"></a>00890 <span class="preprocessor"></span>
<a name="l00891"></a><a class="code" href="classKPixmapIO.html#23352ba92b90866ccfaa9208b1c34d06">00891</a> <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#23352ba92b90866ccfaa9208b1c34d06">KPixmapIO::preAllocShm</a>(<span class="keywordtype">int</span>) {}
<a name="l00892"></a><a class="code" href="classKPixmapIO.html#15de5eb7c118451cf33a673dc735d26b">00892</a> <span class="keywordtype">void</span> <a class="code" href="classKPixmapIO.html#15de5eb7c118451cf33a673dc735d26b">KPixmapIO::setShmPolicy</a>(<span class="keywordtype">int</span>) {}
<a name="l00893"></a>00893 <span class="keywordtype">bool</span> KPixmapIO::initXImage(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00894"></a>00894 <span class="keywordtype">void</span> KPixmapIO::doneXImage() {}
<a name="l00895"></a>00895 <span class="keywordtype">bool</span> KPixmapIO::createXImage(<span class="keywordtype">int</span>, <span class="keywordtype">int</span>) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00896"></a>00896 <span class="keywordtype">void</span> KPixmapIO::destroyXImage() {}
<a name="l00897"></a>00897 <span class="keywordtype">bool</span> KPixmapIO::createShmSegment(<span class="keywordtype">int</span>) { <span class="keywordflow">return</span> <span class="keyword">false</span>; }
<a name="l00898"></a>00898 <span class="keywordtype">void</span> KPixmapIO::destroyShmSegment() {}
<a name="l00899"></a>00899 <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> KPixmapIO::convertFromXImage() { <span class="keywordflow">return</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a>(); }
<a name="l00900"></a>00900 <span class="keywordtype">void</span> KPixmapIO::convertToXImage(<span class="keyword">const</span> <a class="codeRef" doxygen="qt.tag:" href="qimage.html">QImage</a> &) {}
<a name="l00901"></a>00901
<a name="l00902"></a>00902 <span class="preprocessor">#endif // HAVE_MITSHM</span>
</pre></div> </div></div>
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