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<a href="#pub-types">Public Types</a> |
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<div class="title">KPixmap Class Reference</div> </div>
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<!-- doxytag: class="KPixmap" --><!-- doxytag: inherits="QPixmap" -->
<p>Off-screen paint device with extended features.
<a href="classKPixmap.html#details">More...</a></p>
<p><code>#include <<a class="el" href="kpixmap_8h_source.html">kpixmap.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for KPixmap:</div>
<div class="dyncontent">
<div class="center">
<img src="classKPixmap.png" usemap="#KPixmap_map" alt=""/>
<map id="KPixmap_map" name="KPixmap_map">
<area href="qpixmap.html" alt="QPixmap" shape="rect" coords="0,0,62,24"/>
</map>
</div></div>
<p><a href="classKPixmap-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">ColorMode</a> { <br/>
  <a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1aacc44465eacf7b104ab9dc5a7d7f33c3">Auto</a>,
<a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ae5c164e4bcd6410edce01d54a2511326">Color</a>,
<a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1ac06e4d20925f89531a749b2821858993">Mono</a>,
<a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a08fb9faec53e6c78471730bc3c652f08">LowColor</a>,
<br/>
  <a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1a81c74e85e293133e9a335e787a1fe4c9">WebColor</a>
<br/>
}</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a5ebcd7c185a38577514cdd2ddf35ab67">GradientMode</a> { <b>Horizontal</b>,
<b>Vertical</b>,
<b>Diagonal</b>,
<b>CrossDiagonal</b>
}</td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a35b6cfb17e93ab78113baa5f970bbb12">KPixmap</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a846aa22a885513da71088b48041c283b">~KPixmap</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a259044638c035ac2614658c1f8e69f5f">KPixmap</a> (const <a class="elRef" href="qpixmap.html">QPixmap</a> &pix)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517">convertFromImage</a> (const <a class="elRef" href="qimage.html">QImage</a> &img, int conversion_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#ae72ea45200dbf839d573070fa6b63d99">convertFromImage</a> (const <a class="elRef" href="qimage.html">QImage</a> &img, <a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">ColorMode</a> mode=WebColor)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a">load</a> (const <a class="elRef" href="qstring.html">QString</a> &fileName, const char *format, int conversion_flags)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#a1921c92524cb3bda188a99736ae5d1f6">load</a> (const <a class="elRef" href="qstring.html">QString</a> &fileName, const char *format=0, <a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">ColorMode</a> mode=WebColor)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classKPixmap.html#aac7f7e9309657a89a805b2aee29569d7">checkColorTable</a> (const <a class="elRef" href="qimage.html">QImage</a> &image)</td></tr>
</table>
<hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Off-screen paint device with extended features. </p>
<p><a class="el" href="classKPixmap.html" title="Off-screen paint device with extended features.">KPixmap</a> has two new color modes, WebColor and LowColor, applicable to 8bpp displays.</p>
<p>In WebColor mode all images are dithered to the Netscape palette, even when they have their own color table. WebColor is the default mode for <a class="el" href="classKPixmap.html" title="Off-screen paint device with extended features.">KPixmap</a> so that standard applications can share the Netscape palette across the desktop.</p>
<p>In LowColor mode images are checked to see if their color table matches the <a class="elRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKDE.html">KDE</a> icon palette. If the color tables do not match, the images are dithered to a minimal 3x3x3 color cube. LowColor mode can be used to load icons, background images etc. so that components of the desktop which are always present use no more than 40 colors.</p>
<dl class="author"><dt><b>Author:</b></dt><dd>Mark Donohoe (<a href="mailto:donohoe@kde.org">donohoe@kde.org</a>) </dd></dl>
<dl class="version"><dt><b>Version:</b></dt><dd></dd></dl>
<dl class="rcs"><dt><b>Id:</b></dt><dd><a class="el" href="kpixmap_8h_source.html">kpixmap.h</a> 465272 2005-09-29 09:47:40Z mueller </dd></dl>
<p>Definition at line <a class="el" href="kpixmap_8h_source.html#l00057">57</a> of file <a class="el" href="kpixmap_8h_source.html">kpixmap.h</a>.</p>
</div><hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1"></a><!-- doxytag: member="KPixmap::ColorMode" ref="ab33436f184e5de9253ef8863cc37caa1" args="" -->
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<td class="memname">enum <a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">KPixmap::ColorMode</a></td>
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<div class="memdoc">
<p>This enumeration provides a color pallete specification. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">KPixmap::convertFromImage()</a>, <a class="el" href="classKPixmap.html#ac868f85efc0b04564354d4a99d3dc31a" title="Loads a pixmap from the file fileName.">KPixmap::load()</a> </dd></dl>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1aacc44465eacf7b104ab9dc5a7d7f33c3"></a><!-- doxytag: member="Auto" ref="ab33436f184e5de9253ef8863cc37caa1aacc44465eacf7b104ab9dc5a7d7f33c3" args="" -->Auto</em> </td><td>
<p>Convert to monochrome if possible. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1ae5c164e4bcd6410edce01d54a2511326"></a><!-- doxytag: member="Color" ref="ab33436f184e5de9253ef8863cc37caa1ae5c164e4bcd6410edce01d54a2511326" args="" -->Color</em> </td><td>
<p>Native display depth. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1ac06e4d20925f89531a749b2821858993"></a><!-- doxytag: member="Mono" ref="ab33436f184e5de9253ef8863cc37caa1ac06e4d20925f89531a749b2821858993" args="" -->Mono</em> </td><td>
<p>Monochrome pixmap. </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1a08fb9faec53e6c78471730bc3c652f08"></a><!-- doxytag: member="LowColor" ref="ab33436f184e5de9253ef8863cc37caa1a08fb9faec53e6c78471730bc3c652f08" args="" -->LowColor</em> </td><td>
<p>3x3x3 color cube (or monochrome) </p>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="ab33436f184e5de9253ef8863cc37caa1a81c74e85e293133e9a335e787a1fe4c9"></a><!-- doxytag: member="WebColor" ref="ab33436f184e5de9253ef8863cc37caa1a81c74e85e293133e9a335e787a1fe4c9" args="" -->WebColor</em> </td><td>
<p>Netscape pallete (or monochrome) </p>
</td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kpixmap_8h_source.html#l00064">64</a> of file <a class="el" href="kpixmap_8h_source.html">kpixmap.h</a>.</p>
</div>
</div>
<a class="anchor" id="a5ebcd7c185a38577514cdd2ddf35ab67"></a><!-- doxytag: member="KPixmap::GradientMode" ref="a5ebcd7c185a38577514cdd2ddf35ab67" args="" -->
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<td class="memname">enum <a class="el" href="classKPixmap.html#a5ebcd7c185a38577514cdd2ddf35ab67">KPixmap::GradientMode</a></td>
</tr>
</table>
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<div class="memdoc">
<p>This enumeration provides a gradient mode specification. </p>
<p>Definition at line <a class="el" href="kpixmap_8h_source.html#l00073">73</a> of file <a class="el" href="kpixmap_8h_source.html">kpixmap.h</a>.</p>
</div>
</div>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a35b6cfb17e93ab78113baa5f970bbb12"></a><!-- doxytag: member="KPixmap::KPixmap" ref="a35b6cfb17e93ab78113baa5f970bbb12" args="()" -->
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<td class="memname">KPixmap::KPixmap </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Constructs a null pixmap. </p>
<p>Definition at line <a class="el" href="kpixmap_8h_source.html#l00082">82</a> of file <a class="el" href="kpixmap_8h_source.html">kpixmap.h</a>.</p>
</div>
</div>
<a class="anchor" id="a846aa22a885513da71088b48041c283b"></a><!-- doxytag: member="KPixmap::~KPixmap" ref="a846aa22a885513da71088b48041c283b" args="()" -->
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<td class="memname">KPixmap::~KPixmap </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
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<p>Destructs the pixmap. </p>
<p>### <a class="elRef" doxygen="kdecore.tag:../../kdecore/html/" href="../../kdecore/html/namespaceKDE.html">KDE</a> 4: remove </p>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00160">160</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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</div>
<a class="anchor" id="a259044638c035ac2614658c1f8e69f5f"></a><!-- doxytag: member="KPixmap::KPixmap" ref="a259044638c035ac2614658c1f8e69f5f" args="(const QPixmap &pix)" -->
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<td class="memname">KPixmap::KPixmap </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qpixmap.html">QPixmap</a> & </td>
<td class="paramname"><em>pix</em></td><td>)</td>
<td></td>
</tr>
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<p>Copies the <a class="elRef" href="qpixmap.html">QPixmap</a> <code>pix</code>. </p>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00386">386</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="aac7f7e9309657a89a805b2aee29569d7"></a><!-- doxytag: member="KPixmap::checkColorTable" ref="aac7f7e9309657a89a805b2aee29569d7" args="(const QImage &image)" -->
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<td class="memname">bool KPixmap::checkColorTable </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qimage.html">QImage</a> & </td>
<td class="paramname"><em>image</em></td><td>)</td>
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<p>Returns true if the image posesses a color table that matches the Icon palette or false otherwise. </p>
<p>An image with one color not found in the Icon palette is considered to be a match, since this extra color may be a transparent background. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">image</td><td>the image to test </td></tr>
</table>
</dd>
</dl>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00291">291</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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<a class="anchor" id="ae72ea45200dbf839d573070fa6b63d99"></a><!-- doxytag: member="KPixmap::convertFromImage" ref="ae72ea45200dbf839d573070fa6b63d99" args="(const QImage &img, ColorMode mode=WebColor)" -->
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<td class="memname">bool KPixmap::convertFromImage </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qimage.html">QImage</a> & </td>
<td class="paramname"><em>img</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">ColorMode</a> </td>
<td class="paramname"><em>mode</em> = <code>WebColor</code> </td>
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<td>)</td>
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<p>This is an overloaded member function, provided for convenience. </p>
<p>It differs from the above function only in what argument(s) it accepts. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">img</td><td>the image to convert </td></tr>
<tr><td class="paramname">mode</td><td>a ColorMode to apply </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if successful. </dd></dl>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00201">201</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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<a class="anchor" id="a1dce0fd7cc88a58a6476b1c6b10b2517"></a><!-- doxytag: member="KPixmap::convertFromImage" ref="a1dce0fd7cc88a58a6476b1c6b10b2517" args="(const QImage &img, int conversion_flags)" -->
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<td class="memname">bool KPixmap::convertFromImage </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qimage.html">QImage</a> & </td>
<td class="paramname"><em>img</em>, </td>
</tr>
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<td class="paramkey"></td>
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<td class="paramtype">int </td>
<td class="paramname"><em>conversion_flags</em> </td>
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<p>Converts an image and sets this pixmap. </p>
<p>The conversion_flags argument is a bitwise-OR from the following choices. The options marked (default) are the choice if no other choice from the list is included (they are zero):</p>
<p>Color/Mono preference</p>
<ul>
<li>WebColor - If the image has depth 1 and contains only black and white pixels then the pixmap becomes monochrome. If the pixmap has a depth of 8 bits per pixel then the Netscape palette is used for the pixmap color table. </li>
<li>LowColor - If the image has depth 1 and contains only black and white pixels then the pixmap becomes monochrome. If the pixmap has a depth of 8 bits per pixel and the image does not posess a color table that matches the Icon palette a 3x3x3 color cube is used for the pixmap color table. </li>
<li>AutoColor (default) - If the image has depth 1 and contains only black and white pixels, then the pixmap becomes monochrome. </li>
<li>ColorOnly - The pixmap is dithered/converted to the native display depth. </li>
<li>MonoOnly - The pixmap becomes monochrome. If necessary, it is dithered using the chosen dithering algorithm.</li>
</ul>
<p>Dithering mode preference, for RGB channels</p>
<ul>
<li>DiffuseDither (default) - A high quality dither. </li>
<li>OrderedDither - A faster more ordered dither. </li>
<li>ThresholdDither - No dithering, closest color is used.</li>
</ul>
<p>Dithering mode preference, for alpha channel</p>
<ul>
<li>DiffuseAlphaDither - A high quality dither. </li>
<li>OrderedAlphaDither - A faster more ordered dither. </li>
<li>ThresholdAlphaDither (default) - No dithering.</li>
</ul>
<p>Color matching versus dithering preference</p>
<ul>
<li>PreferDither - Always dither 32-bit images when the image is being converted to 8-bits. This is the default when converting to a pixmap. </li>
<li>AvoidDither - Only dither 32-bit images if the image has more than 256 colors and it is being converted to 8-bits. This is the default when an image is converted for the purpose of saving to a file.</li>
</ul>
<p>Passing 0 for <code>conversion_flags</code> gives all the default options.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">img</td><td>the image to convert </td></tr>
<tr><td class="paramname">conversion_flags</td><td>bitmask, described above </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if successful. </dd></dl>
<p>Reimplemented from <a class="elRef" href="qpixmap.html#convertFromImage">QPixmap</a>.</p>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00223">223</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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<a class="anchor" id="ac868f85efc0b04564354d4a99d3dc31a"></a><!-- doxytag: member="KPixmap::load" ref="ac868f85efc0b04564354d4a99d3dc31a" args="(const QString &fileName, const char *format, int conversion_flags)" -->
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<td class="paramname"><em>fileName</em>, </td>
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<td class="paramtype">const char * </td>
<td class="paramname"><em>format</em>, </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>conversion_flags</em> </td>
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<p>Loads a pixmap from the file <code>fileName</code>. </p>
<p>If format is specified, the loader attempts to read the pixmap using the specified format. If format is not specified (default), the loader reads a few bytes from the header to guess the file format.</p>
<p>The <a class="elRef" href="qimageio.html">QImageIO</a> documentation lists the supported image formats and explains how to add extra formats.</p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fileName</td><td>the name of the file to load the image from </td></tr>
<tr><td class="paramname">format</td><td>the format for the image </td></tr>
<tr><td class="paramname">conversion_flags</td><td>a bitmask, as described in <a class="el" href="classKPixmap.html#a1dce0fd7cc88a58a6476b1c6b10b2517" title="Converts an image and sets this pixmap.">convertFromImage()</a> </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if successful, or false if the pixmap could not be loaded. </dd></dl>
<p>Reimplemented from <a class="elRef" href="qpixmap.html#load">QPixmap</a>.</p>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00164">164</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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<a class="anchor" id="a1921c92524cb3bda188a99736ae5d1f6"></a><!-- doxytag: member="KPixmap::load" ref="a1921c92524cb3bda188a99736ae5d1f6" args="(const QString &fileName, const char *format=0, ColorMode mode=WebColor)" -->
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<td class="memname">bool KPixmap::load </td>
<td>(</td>
<td class="paramtype">const <a class="elRef" href="qstring.html">QString</a> & </td>
<td class="paramname"><em>fileName</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>format</em> = <code>0</code>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classKPixmap.html#ab33436f184e5de9253ef8863cc37caa1">ColorMode</a> </td>
<td class="paramname"><em>mode</em> = <code>WebColor</code> </td>
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<td>)</td>
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<p>This is an overloaded member function, provided for convenience. </p>
<p>It differs from the above function only in what argument(s) it accepts. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">fileName</td><td>the name of the file to load the image from </td></tr>
<tr><td class="paramname">format</td><td>the format for the image </td></tr>
<tr><td class="paramname">mode</td><td>a ColorMode to apply </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd><code>true</code> if successful, or false if the pixmap could not be loaded. </dd></dl>
<p>Definition at line <a class="el" href="kpixmap_8cpp_source.html#l00178">178</a> of file <a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a>.</p>
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</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="kpixmap_8h_source.html">kpixmap.h</a></li>
<li><a class="el" href="kpixmap_8cpp_source.html">kpixmap.cpp</a></li>
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