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Breadcrumbs go here --> </ul> </div> <div class="toolbuttons toolblock"> <ul> <li id="smallA" class="t_button">A</li> <li id="medA" class="t_button active">A</li> <li id="bigA" class="t_button">A</li> <li id="print" class="t_button"><a href="javascript:this.print();"> <span>Print</span></a></li> </ul> </div> </div> <div class="content mainContent"> <h1 class="title">svgalibscreen.cpp Example File</h1> <span class="small-subtitle">qws/svgalib/svgalibscreen.cpp</span> <!-- $$$qws/svgalib/svgalibscreen.cpp-description --> <div class="descr"> <a name="details"></a> <pre class="cpp"> <span class="comment">/**************************************************************************** ** ** Copyright (C) 2015 The Qt Company Ltd. ** Contact: http://www.qt.io/licensing/ ** ** This file is part of the examples of the Qt Toolkit. ** ** $QT_BEGIN_LICENSE:BSD$ ** You may use this file under the terms of the BSD license as follows: ** ** "Redistribution and use in source and binary forms, with or without ** modification, are permitted provided that the following conditions are ** met: ** * Redistributions of source code must retain the above copyright ** notice, this list of conditions and the following disclaimer. ** * Redistributions in binary form must reproduce the above copyright ** notice, this list of conditions and the following disclaimer in ** the documentation and/or other materials provided with the ** distribution. ** * Neither the name of The Qt Company Ltd nor the names of its ** contributors may be used to endorse or promote products derived ** from this software without specific prior written permission. ** ** ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." ** ** $QT_END_LICENSE$ ** ****************************************************************************/</span> <span class="preprocessor">#include "svgalibscreen.h"</span> <span class="preprocessor">#include "svgalibsurface.h"</span> <span class="preprocessor">#include <QVector></span> <span class="preprocessor">#include <QApplication></span> <span class="preprocessor">#include <QColor></span> <span class="preprocessor">#include <QWidget></span> <span class="preprocessor">#include <math.h></span> <span class="keyword">static</span> <span class="type">int</span> getModeDepth(vga_modeinfo <span class="operator">*</span>mode) { <span class="keyword">const</span> <span class="type">int</span> bits <span class="operator">=</span> <span class="type">int</span>(log2(mode<span class="operator">-</span><span class="operator">></span>colors)); <span class="keyword">if</span> (bits <span class="operator">=</span><span class="operator">=</span> <span class="number">24</span> <span class="operator">&</span><span class="operator">&</span> mode<span class="operator">-</span><span class="operator">></span>bytesperpixel <span class="operator">=</span><span class="operator">=</span> <span class="number">4</span>) <span class="keyword">return</span> <span class="number">32</span>; <span class="keyword">return</span> bits; } <span class="type">bool</span> SvgalibScreen<span class="operator">::</span>connect(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>displaySpec) { <span class="type">int</span> mode <span class="operator">=</span> vga_getdefaultmode(); <span class="keyword">if</span> (mode <span class="operator"><</span><span class="operator">=</span> <span class="number">0</span>) { <a href="qtglobal.html#qCritical">qCritical</a>(<span class="string">"SvgalibScreen::connect(): invalid vga mode"</span>); <span class="keyword">return</span> <span class="keyword">false</span>; } vga_modeinfo <span class="operator">*</span>modeinfo <span class="operator">=</span> vga_getmodeinfo(mode); <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>lstep <span class="operator">=</span> modeinfo<span class="operator">-</span><span class="operator">></span>linewidth; <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>dw <span class="operator">=</span> <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>w <span class="operator">=</span> modeinfo<span class="operator">-</span><span class="operator">></span>width; <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>dh <span class="operator">=</span> <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>h <span class="operator">=</span> modeinfo<span class="operator">-</span><span class="operator">></span>height; <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>d <span class="operator">=</span> getModeDepth(modeinfo); <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>size <span class="operator">=</span> <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>lstep <span class="operator">*</span> dh; <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>data <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">switch</span> (depth()) { <span class="keyword">case</span> <span class="number">32</span>: setPixelFormat(<span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_ARGB32_Premultiplied); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="number">24</span>: setPixelFormat(<span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB888); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="number">16</span>: setPixelFormat(<span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB16); <span class="keyword">break</span>; <span class="keyword">case</span> <span class="number">15</span>: setPixelFormat(<span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB555); <span class="keyword">break</span>; <span class="keyword">default</span>: <span class="keyword">break</span>; } <span class="keyword">const</span> <span class="type">int</span> dpi <span class="operator">=</span> <span class="number">72</span>; <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>physWidth <span class="operator">=</span> <a href="qtglobal.html#qRound">qRound</a>(<span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>dw <span class="operator">*</span> <span class="number">25.4</span> <span class="operator">/</span> dpi); <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>physHeight <span class="operator">=</span> <a href="qtglobal.html#qRound">qRound</a>(<span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>dh <span class="operator">*</span> <span class="number">25.4</span> <span class="operator">/</span> dpi); <span class="keyword">const</span> <span class="type"><a href="qstringlist.html">QStringList</a></span> args <span class="operator">=</span> displaySpec<span class="operator">.</span>split(QLatin1Char(<span class="char">':'</span>)<span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span><span class="operator">::</span>SkipEmptyParts); grayscale <span class="operator">=</span> args<span class="operator">.</span>contains(QLatin1String(<span class="string">"grayscale"</span>)<span class="operator">,</span> <span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>CaseInsensitive); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>initColorMap() { <span class="keyword">const</span> <span class="type">int</span> numColors <span class="operator">=</span> vga_getcolors(); <span class="keyword">if</span> (numColors <span class="operator">=</span><span class="operator">=</span> <span class="number">2</span> <span class="operator">|</span><span class="operator">|</span> numColors <span class="operator">></span> <span class="number">256</span>) { screencols <span class="operator">=</span> <span class="number">0</span>; <span class="keyword">return</span>; <span class="comment">// not a palette based mode</span> } <span class="keyword">if</span> (numColors <span class="operator">=</span><span class="operator">=</span> <span class="number">16</span>) { <span class="keyword">if</span> (grayscale) { <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">256</span>; <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type">int</span> c <span class="operator">=</span> i <span class="operator">*</span> <span class="number">16</span> <span class="operator">/</span> <span class="number">256</span>; vga_setpalette(i<span class="operator">,</span> c<span class="operator">,</span> c<span class="operator">,</span> c); } screencols <span class="operator">=</span> <span class="number">256</span>; <span class="comment">// XXX: takes advantage of optimization in alloc()</span> } <span class="keyword">else</span> { <span class="comment">// read in EGA palette</span> <span class="type">int</span> r<span class="operator">,</span> g<span class="operator">,</span> b; <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">16</span>; <span class="operator">+</span><span class="operator">+</span>i) { vga_getpalette(i<span class="operator">,</span> <span class="operator">&</span>r<span class="operator">,</span> <span class="operator">&</span>g<span class="operator">,</span> <span class="operator">&</span>b); screenclut<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> <a href="qcolor.html#qRgb">qRgb</a>(r<span class="operator">,</span> g<span class="operator">,</span> b); } screencols <span class="operator">=</span> <span class="number">16</span>; } <span class="keyword">return</span>; } Q_ASSERT(numColors <span class="operator">=</span><span class="operator">=</span> <span class="number">256</span>); <span class="keyword">if</span> (grayscale) { <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> <span class="number">256</span>; <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type">int</span> c <span class="operator">=</span> i <span class="operator">*</span> <span class="number">64</span> <span class="operator">/</span> <span class="number">256</span>; vga_setpalette(i<span class="operator">,</span> c<span class="operator">,</span> c<span class="operator">,</span> c); } } <span class="keyword">else</span> { <span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; <span class="preprocessor">#if 0</span> <span class="comment">// read in EGA palette</span> <span class="keyword">while</span> (i <span class="operator"><</span> <span class="number">16</span>) { <span class="type">int</span> r<span class="operator">,</span> g<span class="operator">,</span> b; vga_getpalette(i<span class="operator">,</span> <span class="operator">&</span>r<span class="operator">,</span> <span class="operator">&</span>g<span class="operator">,</span> <span class="operator">&</span>b); screenclut<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> <a href="qcolor.html#qRgb">qRgb</a>(r<span class="operator">,</span> g<span class="operator">,</span> b); <span class="operator">+</span><span class="operator">+</span>i; } screencols <span class="operator">=</span> <span class="number">16</span>; <span class="preprocessor">#endif</span> <span class="comment">// 6 * 6 * 6 color cube</span> <span class="keyword">for</span> (<span class="type">int</span> r <span class="operator">=</span> <span class="number">0</span>; r <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>r) { <span class="keyword">for</span> (<span class="type">int</span> g <span class="operator">=</span> <span class="number">0</span>; g <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>g) { <span class="keyword">for</span> (<span class="type">int</span> b <span class="operator">=</span> <span class="number">0</span>; b <span class="operator"><</span> <span class="number">6</span>; <span class="operator">+</span><span class="operator">+</span>b) { vga_setpalette(i<span class="operator">,</span> r <span class="operator">*</span> <span class="number">64</span><span class="operator">/</span><span class="number">6</span><span class="operator">,</span> g <span class="operator">*</span> <span class="number">64</span><span class="operator">/</span><span class="number">6</span><span class="operator">,</span> b <span class="operator">*</span> <span class="number">64</span><span class="operator">/</span><span class="number">6</span>); screenclut<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> <a href="qcolor.html#qRgb">qRgb</a>(r <span class="operator">*</span> <span class="number">256</span><span class="operator">/</span><span class="number">6</span><span class="operator">,</span> g <span class="operator">*</span> <span class="number">256</span><span class="operator">/</span><span class="number">6</span><span class="operator">,</span> b <span class="operator">*</span> <span class="number">256</span><span class="operator">/</span><span class="number">6</span>); <span class="operator">+</span><span class="operator">+</span>i; } } } screencols <span class="operator">=</span> i; <span class="keyword">while</span> (i <span class="operator"><</span> <span class="number">256</span>) { screenclut<span class="operator">[</span>i<span class="operator">]</span> <span class="operator">=</span> <a href="qcolor.html#qRgb">qRgb</a>(<span class="number">0</span><span class="operator">,</span> <span class="number">0</span><span class="operator">,</span> <span class="number">0</span>); <span class="operator">+</span><span class="operator">+</span>i; } } } <span class="type">bool</span> SvgalibScreen<span class="operator">::</span>initDevice() { <span class="keyword">if</span> (vga_init() <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>) { <a href="qtglobal.html#qCritical">qCritical</a>(<span class="string">"SvgalibScreen::initDevice(): unable to initialize svgalib"</span>); <span class="keyword">return</span> <span class="keyword">false</span>; } <span class="type">int</span> mode <span class="operator">=</span> vga_getdefaultmode(); <span class="keyword">if</span> (vga_setmode(mode) <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) { <a href="qtglobal.html#qCritical">qCritical</a>(<span class="string">"SvgalibScreen::initialize(): unable to set graphics mode"</span>); <span class="keyword">return</span> <span class="keyword">false</span>; } <span class="keyword">if</span> (gl_setcontextvga(mode) <span class="operator">!</span><span class="operator">=</span> <span class="number">0</span>) { <a href="qtglobal.html#qCritical">qCritical</a>(<span class="string">"SvgalibScreen::initDevice(): unable to set vga context"</span>); <span class="keyword">return</span> <span class="keyword">false</span>; } context <span class="operator">=</span> gl_allocatecontext(); gl_getcontext(context); vga_modeinfo <span class="operator">*</span>modeinfo <span class="operator">=</span> vga_getmodeinfo(mode); <span class="keyword">if</span> (modeinfo<span class="operator">-</span><span class="operator">></span>flags <span class="operator">&</span> IS_LINEAR) <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>data <span class="operator">=</span> vga_getgraphmem(); initColorMap(); <span class="type"><a href="qscreencursor.html">QScreenCursor</a></span><span class="operator">::</span>initSoftwareCursor(); <span class="keyword">return</span> <span class="keyword">true</span>; } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>shutdownDevice() { gl_freecontext(context); vga_setmode(TEXT); } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>disconnect() { } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>solidFill(<span class="keyword">const</span> <span class="type"><a href="qcolor.html">QColor</a></span> <span class="operator">&</span>color<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qregion.html">QRegion</a></span> <span class="operator">&</span>reg) { <span class="type">int</span> c; <span class="keyword">if</span> (depth() <span class="operator">=</span><span class="operator">=</span> <span class="number">4</span> <span class="operator">|</span><span class="operator">|</span> depth() <span class="operator">=</span><span class="operator">=</span> <span class="number">8</span>) c <span class="operator">=</span> alloc(color<span class="operator">.</span>red()<span class="operator">,</span> color<span class="operator">.</span>green()<span class="operator">,</span> color<span class="operator">.</span>blue()); <span class="keyword">else</span> c <span class="operator">=</span> gl_rgbcolor(color<span class="operator">.</span>red()<span class="operator">,</span> color<span class="operator">.</span>green()<span class="operator">,</span> color<span class="operator">.</span>blue()); <span class="keyword">const</span> <span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qrect.html">QRect</a></span><span class="operator">></span> rects <span class="operator">=</span> (reg <span class="operator">&</span> region())<span class="operator">.</span>rects(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> rects<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type"><a href="qrect.html">QRect</a></span> r <span class="operator">=</span> rects<span class="operator">.</span>at(i); gl_fillbox(r<span class="operator">.</span>left()<span class="operator">,</span> r<span class="operator">.</span>top()<span class="operator">,</span> r<span class="operator">.</span>width()<span class="operator">,</span> r<span class="operator">.</span>height()<span class="operator">,</span> c); } } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>blit16To8(<span class="keyword">const</span> <span class="type"><a href="qimage.html">QImage</a></span> <span class="operator">&</span>image<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qpoint.html">QPoint</a></span> <span class="operator">&</span>topLeft<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qregion.html">QRegion</a></span> <span class="operator">&</span>region) { <span class="keyword">const</span> <span class="type">int</span> imageStride <span class="operator">=</span> image<span class="operator">.</span>bytesPerLine() <span class="operator">/</span> <span class="number">2</span>; <span class="keyword">const</span> <span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qrect.html">QRect</a></span><span class="operator">></span> rects <span class="operator">=</span> region<span class="operator">.</span>rects(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> rects<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type"><a href="qrect.html">QRect</a></span> r <span class="operator">=</span> rects<span class="operator">.</span>at(i)<span class="operator">.</span>translated(<span class="operator">-</span>topLeft); <span class="type">int</span> y <span class="operator">=</span> r<span class="operator">.</span>y(); <span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span> <span class="operator">*</span>s <span class="operator">=</span> <span class="keyword">reinterpret_cast</span><span class="operator"><</span><span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span><span class="operator">*</span><span class="operator">></span>(image<span class="operator">.</span>scanLine(y)); <span class="keyword">while</span> (y <span class="operator"><</span><span class="operator">=</span> r<span class="operator">.</span>bottom()) { <span class="type">int</span> x1 <span class="operator">=</span> r<span class="operator">.</span>x(); <span class="keyword">while</span> (x1 <span class="operator"><</span><span class="operator">=</span> r<span class="operator">.</span>right()) { <span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span> c <span class="operator">=</span> s<span class="operator">[</span>x1<span class="operator">]</span>; <span class="type">int</span> x2 <span class="operator">=</span> x1; <span class="comment">// find span length</span> <span class="keyword">while</span> ((x2<span class="operator">+</span><span class="number">1</span> <span class="operator"><</span> r<span class="operator">.</span>right()) <span class="operator">&</span><span class="operator">&</span> (s<span class="operator">[</span>x2<span class="operator">+</span><span class="number">1</span><span class="operator">]</span> <span class="operator">=</span><span class="operator">=</span> c)) <span class="operator">+</span><span class="operator">+</span>x2; gl_hline(x1 <span class="operator">+</span> topLeft<span class="operator">.</span>x()<span class="operator">,</span> y <span class="operator">+</span> topLeft<span class="operator">.</span>y()<span class="operator">,</span> x2 <span class="operator">+</span> topLeft<span class="operator">.</span>x()<span class="operator">,</span> qt_colorConvert<span class="operator"><</span><span class="type"><a href="qtglobal.html#quint8-typedef">quint8</a></span><span class="operator">,</span> <span class="type"><a href="qtglobal.html#quint16-typedef">quint16</a></span><span class="operator">></span>(c<span class="operator">,</span> <span class="number">0</span>)); x1 <span class="operator">=</span> x2 <span class="operator">+</span> <span class="number">1</span>; } s <span class="operator">+</span><span class="operator">=</span> imageStride; <span class="operator">+</span><span class="operator">+</span>y; } } } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>blit32To8(<span class="keyword">const</span> <span class="type"><a href="qimage.html">QImage</a></span> <span class="operator">&</span>image<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qpoint.html">QPoint</a></span> <span class="operator">&</span>topLeft<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qregion.html">QRegion</a></span> <span class="operator">&</span>region) { <span class="keyword">const</span> <span class="type">int</span> imageStride <span class="operator">=</span> image<span class="operator">.</span>bytesPerLine() <span class="operator">/</span> <span class="number">4</span>; <span class="keyword">const</span> <span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qrect.html">QRect</a></span><span class="operator">></span> rects <span class="operator">=</span> region<span class="operator">.</span>rects(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> rects<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type"><a href="qrect.html">QRect</a></span> r <span class="operator">=</span> rects<span class="operator">.</span>at(i)<span class="operator">.</span>translated(<span class="operator">-</span>topLeft); <span class="type">int</span> y <span class="operator">=</span> r<span class="operator">.</span>y(); <span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint32-typedef">quint32</a></span> <span class="operator">*</span>s <span class="operator">=</span> <span class="keyword">reinterpret_cast</span><span class="operator"><</span><span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint32-typedef">quint32</a></span><span class="operator">*</span><span class="operator">></span>(image<span class="operator">.</span>scanLine(y)); <span class="keyword">while</span> (y <span class="operator"><</span><span class="operator">=</span> r<span class="operator">.</span>bottom()) { <span class="type">int</span> x1 <span class="operator">=</span> r<span class="operator">.</span>x(); <span class="keyword">while</span> (x1 <span class="operator"><</span><span class="operator">=</span> r<span class="operator">.</span>right()) { <span class="keyword">const</span> <span class="type"><a href="qtglobal.html#quint32-typedef">quint32</a></span> c <span class="operator">=</span> s<span class="operator">[</span>x1<span class="operator">]</span>; <span class="type">int</span> x2 <span class="operator">=</span> x1; <span class="comment">// find span length</span> <span class="keyword">while</span> ((x2<span class="operator">+</span><span class="number">1</span> <span class="operator"><</span> r<span class="operator">.</span>right()) <span class="operator">&</span><span class="operator">&</span> (s<span class="operator">[</span>x2<span class="operator">+</span><span class="number">1</span><span class="operator">]</span> <span class="operator">=</span><span class="operator">=</span> c)) <span class="operator">+</span><span class="operator">+</span>x2; gl_hline(x1 <span class="operator">+</span> topLeft<span class="operator">.</span>x()<span class="operator">,</span> y <span class="operator">+</span> topLeft<span class="operator">.</span>y()<span class="operator">,</span> x2 <span class="operator">+</span> topLeft<span class="operator">.</span>x()<span class="operator">,</span> qt_colorConvert<span class="operator"><</span><span class="type"><a href="qtglobal.html#quint8-typedef">quint8</a></span><span class="operator">,</span> <span class="type"><a href="qtglobal.html#quint32-typedef">quint32</a></span><span class="operator">></span>(c<span class="operator">,</span> <span class="number">0</span>)); x1 <span class="operator">=</span> x2 <span class="operator">+</span> <span class="number">1</span>; } s <span class="operator">+</span><span class="operator">=</span> imageStride; <span class="operator">+</span><span class="operator">+</span>y; } } } <span class="type">void</span> SvgalibScreen<span class="operator">::</span>blit(<span class="keyword">const</span> <span class="type"><a href="qimage.html">QImage</a></span> <span class="operator">&</span>img<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qpoint.html">QPoint</a></span> <span class="operator">&</span>topLeft<span class="operator">,</span> <span class="keyword">const</span> <span class="type"><a href="qregion.html">QRegion</a></span> <span class="operator">&</span>reg) { <span class="keyword">if</span> (depth() <span class="operator">=</span><span class="operator">=</span> <span class="number">8</span>) { <span class="keyword">switch</span> (img<span class="operator">.</span>format()) { <span class="keyword">case</span> <span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB16: blit16To8(img<span class="operator">,</span> topLeft<span class="operator">,</span> reg); <span class="keyword">return</span>; <span class="keyword">case</span> <span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_RGB32: <span class="keyword">case</span> <span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_ARGB32: <span class="keyword">case</span> <span class="type"><a href="qimage.html">QImage</a></span><span class="operator">::</span>Format_ARGB32_Premultiplied: blit32To8(img<span class="operator">,</span> topLeft<span class="operator">,</span> reg); <span class="keyword">return</span>; <span class="keyword">default</span>: <span class="keyword">break</span>; } } <span class="keyword">if</span> (img<span class="operator">.</span>format() <span class="operator">!</span><span class="operator">=</span> pixelFormat()) { <span class="keyword">if</span> (base()) <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>blit(img<span class="operator">,</span> topLeft<span class="operator">,</span> reg); <span class="keyword">return</span>; } <span class="keyword">const</span> <span class="type"><a href="qvector.html">QVector</a></span><span class="operator"><</span><span class="type"><a href="qrect.html">QRect</a></span><span class="operator">></span> rects <span class="operator">=</span> (reg <span class="operator">&</span> region())<span class="operator">.</span>rects(); <span class="keyword">for</span> (<span class="type">int</span> i <span class="operator">=</span> <span class="number">0</span>; i <span class="operator"><</span> rects<span class="operator">.</span>size(); <span class="operator">+</span><span class="operator">+</span>i) { <span class="keyword">const</span> <span class="type"><a href="qrect.html">QRect</a></span> r <span class="operator">=</span> rects<span class="operator">.</span>at(i); gl_putboxpart(r<span class="operator">.</span>x()<span class="operator">,</span> r<span class="operator">.</span>y()<span class="operator">,</span> r<span class="operator">.</span>width()<span class="operator">,</span> r<span class="operator">.</span>height()<span class="operator">,</span> img<span class="operator">.</span>width()<span class="operator">,</span> img<span class="operator">.</span>height()<span class="operator">,</span> <span class="keyword">static_cast</span><span class="operator"><</span><span class="type">void</span><span class="operator">*</span><span class="operator">></span>(<span class="keyword">const_cast</span><span class="operator"><</span><span class="type"><a href="qtglobal.html#uchar-typedef">uchar</a></span><span class="operator">*</span><span class="operator">></span>(img<span class="operator">.</span>bits()))<span class="operator">,</span> r<span class="operator">.</span>x() <span class="operator">-</span> topLeft<span class="operator">.</span>x()<span class="operator">,</span> r<span class="operator">.</span>y() <span class="operator">-</span> topLeft<span class="operator">.</span>y()); } } <span class="type">QWSWindowSurface</span><span class="operator">*</span> SvgalibScreen<span class="operator">::</span>createSurface(<span class="type"><a href="qwidget.html">QWidget</a></span> <span class="operator">*</span>widget) <span class="keyword">const</span> { <span class="keyword">if</span> (base()) { <span class="keyword">static</span> <span class="type">int</span> onScreenPaint <span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>; <span class="keyword">if</span> (onScreenPaint <span class="operator">=</span><span class="operator">=</span> <span class="operator">-</span><span class="number">1</span>) onScreenPaint <span class="operator">=</span> qgetenv(<span class="string">"QT_ONSCREEN_PAINT"</span>)<span class="operator">.</span>toInt(); <span class="keyword">if</span> (onScreenPaint <span class="operator">></span> <span class="number">0</span> <span class="operator">|</span><span class="operator">|</span> widget<span class="operator">-</span><span class="operator">></span>testAttribute(<span class="type"><a href="qt.html">Qt</a></span><span class="operator">::</span>WA_PaintOnScreen)) <span class="keyword">return</span> <span class="keyword">new</span> SvgalibSurface(widget); } <span class="keyword">return</span> <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>createSurface(widget); } <span class="type">QWSWindowSurface</span><span class="operator">*</span> SvgalibScreen<span class="operator">::</span>createSurface(<span class="keyword">const</span> <span class="type"><a href="qstring.html">QString</a></span> <span class="operator">&</span>key) <span class="keyword">const</span> { <span class="keyword">if</span> (key <span class="operator">=</span><span class="operator">=</span> QLatin1String(<span class="string">"svgalib"</span>)) <span class="keyword">return</span> <span class="keyword">new</span> SvgalibSurface; <span class="keyword">return</span> <span class="type"><a href="qscreen.html">QScreen</a></span><span class="operator">::</span>createSurface(key); }</pre> </div> <!-- @@@qws/svgalib/svgalibscreen.cpp --> </div> </div> </div> <div class="ft"> <span></span> </div> </div> <div class="footer"> <p> <acronym title="Copyright">©</acronym> 2015 The Qt Company Ltd. Documentation contributions included herein are the copyrights of their respective owners.</p> <br /> <p> The documentation provided herein is licensed under the terms of the <a href="http://www.gnu.org/licenses/fdl.html">GNU Free Documentation License version 1.3</a> as published by the Free Software Foundation.</p> <p> Documentation sources may be obtained from <a href="http://www.qt-project.org"> www.qt-project.org</a>.</p> <br /> <p> Qt and respective logos are trademarks of The Qt Company Ltd in Finland and/or other countries worldwide. All other trademarks are property of their respective owners. <a title="Privacy Policy" href="http://en.gitorious.org/privacy_policy/">Privacy Policy</a></p> </div> <script src="scripts/functions.js" type="text/javascript"></script> </body> </html>