<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>AlbumShaper: painting.h File Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.2 --> <div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div> <div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul> </div> </div> <div class="contents"> <h1>painting.h File Reference</h1><div class="dynheader"> This graph shows which files directly or indirectly include this file:</div> <div class="dynsection"> </div> <p><a href="painting_8h_source.html">Go to the source code of this file.</a></p> <table border="0" cellpadding="0" cellspacing="0"> <tr><td colspan="2"><h2>Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">QImage * </td><td class="memItemRight" valign="bottom"><a class="el" href="painting_8h.html#a014a24abedbd69fe2a641c7edfadd959">oilPaintingEffect</a> (QString filename, <a class="el" href="classManipulationOptions.html">ManipulationOptions</a> *options)</td></tr> </table> <hr/><h2>Function Documentation</h2> <a class="anchor" id="a014a24abedbd69fe2a641c7edfadd959"></a><!-- doxytag: member="painting.h::oilPaintingEffect" ref="a014a24abedbd69fe2a641c7edfadd959" args="(QString filename, ManipulationOptions *options)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QImage* oilPaintingEffect </td> <td>(</td> <td class="paramtype">QString </td> <td class="paramname"> <em>filename</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype"><a class="el" href="classManipulationOptions.html">ManipulationOptions</a> * </td> <td class="paramname"> <em>options</em></td><td> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td><td></td> </tr> </table> </div> <div class="memdoc"> <p>Definition at line <a class="el" href="painting_8cpp_source.html#l00103">103</a> of file <a class="el" href="painting_8cpp_source.html">painting.cpp</a>.</p> <p>References <a class="el" href="painting_8cpp_source.html#l00019">Triplet::b</a>, <a class="el" href="redEye__internal_8h_source.html#l00037">editedImage</a>, <a class="el" href="painting_8cpp_source.html#l00087">findHighestCounts()</a>, <a class="el" href="painting_8cpp_source.html#l00019">Triplet::g</a>, <a class="el" href="manipulationOptions_8h_source.html#l00021">ManipulationOptions::getStatus()</a>, <a class="el" href="painting_8cpp_source.html#l00068">Histogram::highestCountIndex</a>, <a class="el" href="statusWidget_8cpp_source.html#l00119">StatusWidget::incrementProgress()</a>, <a class="el" href="redEye__internal_8h_source.html#l00031">newProgress</a>, <a class="el" href="painting_8cpp_source.html#l00019">Triplet::r</a>, <a class="el" href="painting_8cpp_source.html#l00073">resetHistogram()</a>, <a class="el" href="statusWidget_8cpp_source.html#l00089">StatusWidget::showProgressBar()</a>, <a class="el" href="redEye__internal_8h_source.html#l00021">status</a>, <a class="el" href="redEye__internal_8h_source.html#l00028">updateIncrement</a>, and <a class="el" href="painting_8cpp_source.html#l00065">Histogram::values</a>.</p> <p>Referenced by <a class="el" href="editingInterface_8cpp_source.html#l00834">EditingInterface::applyEffect()</a>.</p> <p><div class="fragment"><pre class="fragment"><a name="l00104"></a>00104 { <a name="l00105"></a>00105 <span class="comment">//load original image </span> <a name="l00106"></a>00106 QImage originalImage( filename ); <a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="comment">//convert to 32-bit depth if necessary</span> <a name="l00109"></a>00109 <span class="keywordflow">if</span>( originalImage.depth() < 32 ) { originalImage = originalImage.convertDepth( 32, Qt::AutoColor ); } <a name="l00110"></a>00110 <a name="l00111"></a>00111 <span class="comment">//determine if busy indicators will be used</span> <a name="l00112"></a>00112 <span class="keywordtype">bool</span> useBusyIndicators = <span class="keyword">false</span>; <a name="l00113"></a>00113 <a class="code" href="classStatusWidget.html">StatusWidget</a>* <a class="code" href="redEye__internal_8h.html#a65b682074aef9e63bb1dad48c3e9e9df">status</a> = NULL; <a name="l00114"></a>00114 <span class="keywordflow">if</span>( options != NULL && options-><a class="code" href="classManipulationOptions.html#a9bc4d4123333012b705b599043406e68">getStatus</a>() != NULL ) <a name="l00115"></a>00115 { <a name="l00116"></a>00116 useBusyIndicators = <span class="keyword">true</span>; <a name="l00117"></a>00117 status = options-><a class="code" href="classManipulationOptions.html#a9bc4d4123333012b705b599043406e68">getStatus</a>(); <a name="l00118"></a>00118 } <a name="l00119"></a>00119 <a name="l00120"></a>00120 <span class="comment">//setup progress bar</span> <a name="l00121"></a>00121 <span class="keywordflow">if</span>(useBusyIndicators) <a name="l00122"></a>00122 { <a name="l00123"></a>00123 QString statusMessage = qApp->translate( <span class="stringliteral">"oilPaintingEffect"</span>, <span class="stringliteral">"Applying Oil Painting Effect:"</span> ); <a name="l00124"></a>00124 status-><a class="code" href="classStatusWidget.html#a57d461014070b9d651c36bd157cab9c1" title="Initializes the progress bar.">showProgressBar</a>( statusMessage, 100 ); <a name="l00125"></a>00125 qApp->processEvents(); <a name="l00126"></a>00126 } <a name="l00127"></a>00127 <a name="l00128"></a>00128 <span class="comment">//update progress bar for every 1% of completion</span> <a name="l00129"></a>00129 <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="redEye__internal_8h.html#a32598f506d413f48cda8e1c930dae6b3">updateIncrement</a> = (int) ( 0.01 * originalImage.width() * originalImage.height() ); <a name="l00130"></a>00130 <span class="keywordtype">int</span> <a class="code" href="redEye__internal_8h.html#acaa08422437cae250a76ca488cbe1567">newProgress</a> = 0; <a name="l00131"></a>00131 <a name="l00132"></a>00132 <span class="comment">//construct edited image</span> <a name="l00133"></a>00133 QImage* <a class="code" href="redEye__internal_8h.html#a63116a8b94b4ed0e99ddcb7f6f3bd919">editedImage</a> = <span class="keyword">new</span> QImage( filename ); <a name="l00134"></a>00134 <a name="l00135"></a>00135 <span class="comment">//convert to 32-bit depth if necessary</span> <a name="l00136"></a>00136 <span class="keywordflow">if</span>( editedImage->depth() < 32 ) <a name="l00137"></a>00137 { <a name="l00138"></a>00138 QImage* tmp = editedImage; <a name="l00139"></a>00139 editedImage = <span class="keyword">new</span> QImage( tmp->convertDepth( 32, Qt::AutoColor ) ); <a name="l00140"></a>00140 <span class="keyword">delete</span> tmp; tmp=NULL; <a name="l00141"></a>00141 } <a name="l00142"></a>00142 <a name="l00143"></a>00143 <span class="comment">//compute the radius using image resolution</span> <a name="l00144"></a>00144 <span class="keywordtype">double</span> minDimen = (double) QMIN( editedImage->width(), editedImage->height() ); <a name="l00145"></a>00145 <span class="keyword">const</span> <span class="keywordtype">int</span> RADIUS = (int) QMAX( 2, (sqrt(minDimen)/4) ); <a name="l00146"></a>00146 <a name="l00147"></a>00147 <span class="comment">//iterate over image</span> <a name="l00148"></a>00148 <span class="keywordtype">int</span> originalImageX, originalImageY; <a name="l00149"></a>00149 <span class="keywordtype">int</span> editedImageX, editedImageY; <a name="l00150"></a>00150 <span class="keywordtype">int</span> clampedX, clampedY; <a name="l00151"></a>00151 <span class="keywordtype">int</span> trailingEdgeY, leadingEdgeY; <a name="l00152"></a>00152 <a name="l00153"></a>00153 QRgb* rgb; <a name="l00154"></a>00154 uchar* scanLine; <a name="l00155"></a>00155 uchar* trailingScanLine; <a name="l00156"></a>00156 uchar* leadingScanLine; <a name="l00157"></a>00157 <a name="l00158"></a>00158 <span class="comment">//iterate over columns </span> <a name="l00159"></a>00159 <span class="keywordflow">for</span>( editedImageX=0; editedImageX < editedImage->width(); editedImageX++) <a name="l00160"></a>00160 { <a name="l00161"></a>00161 <span class="comment">//------------------</span> <a name="l00162"></a>00162 <span class="comment">//reset histogram object</span> <a name="l00163"></a>00163 <a class="code" href="painting_8cpp.html#a0c75cd66aeb0ed0856388c53c642a25d">resetHistogram</a>(); <a name="l00164"></a>00164 <span class="comment">//------------------</span> <a name="l00165"></a>00165 <span class="comment">//fill histogram with data that would have results from Y=-1</span> <a name="l00166"></a>00166 <span class="keywordflow">for</span>(originalImageY = 0 - 1 - RADIUS; <a name="l00167"></a>00167 originalImageY <= 0 - 1 + RADIUS; <a name="l00168"></a>00168 originalImageY++) <a name="l00169"></a>00169 { <a name="l00170"></a>00170 clampedY = QMAX( QMIN( originalImageY, originalImage.height() - 1 ), 0 ); <a name="l00171"></a>00171 scanLine = originalImage.scanLine( clampedY ); <a name="l00172"></a>00172 <a name="l00173"></a>00173 <span class="keywordflow">for</span>(originalImageX = editedImageX - RADIUS; <a name="l00174"></a>00174 originalImageX <= editedImageX + RADIUS; <a name="l00175"></a>00175 originalImageX++) <a name="l00176"></a>00176 { <a name="l00177"></a>00177 clampedX = QMAX( QMIN( originalImageX, originalImage.width() - 1 ), 0 ); <a name="l00178"></a>00178 <a name="l00179"></a>00179 <span class="comment">//get rgb value</span> <a name="l00180"></a>00180 rgb = ((QRgb*)scanLine+clampedX); <a name="l00181"></a>00181 <a name="l00182"></a>00182 <span class="comment">//update counts for this r/g/b value</span> <a name="l00183"></a>00183 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qRed(*rgb) ].<a class="code" href="structTriplet.html#a95ee093e8e86e197ad690a0e8e169d75">r</a>++; <a name="l00184"></a>00184 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qGreen(*rgb) ].<a class="code" href="structTriplet.html#ae92c534dbfa98ba94577fc8b0e995cd2">g</a>++; <a name="l00185"></a>00185 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qBlue(*rgb) ].<a class="code" href="structTriplet.html#ab04c763889df0502639bc2020f445057">b</a>++; <a name="l00186"></a>00186 } <span class="comment">//originalX</span> <a name="l00187"></a>00187 } <span class="comment">//originalY</span> <a name="l00188"></a>00188 <span class="comment">//------------------</span> <a name="l00189"></a>00189 <a name="l00190"></a>00190 <span class="comment">//now iterate over rows by simply removing trailing edge data and adding leading edge data</span> <a name="l00191"></a>00191 <span class="keywordflow">for</span>( editedImageY=0; editedImageY < editedImage->height(); editedImageY++) <a name="l00192"></a>00192 { <a name="l00193"></a>00193 trailingEdgeY = QMAX( QMIN( editedImageY-1-RADIUS, originalImage.height() - 1 ), 0 ); <a name="l00194"></a>00194 leadingEdgeY = QMAX( QMIN( editedImageY+RADIUS, originalImage.height() - 1 ), 0 ); <a name="l00195"></a>00195 <a name="l00196"></a>00196 trailingScanLine = originalImage.scanLine( trailingEdgeY ); <a name="l00197"></a>00197 leadingScanLine = originalImage.scanLine( leadingEdgeY ); <a name="l00198"></a>00198 <a name="l00199"></a>00199 <span class="keywordflow">for</span>(originalImageX = editedImageX - RADIUS; <a name="l00200"></a>00200 originalImageX <= editedImageX + RADIUS; <a name="l00201"></a>00201 originalImageX++) <a name="l00202"></a>00202 { <a name="l00203"></a>00203 clampedX = QMAX( QMIN( originalImageX, originalImage.width() - 1 ), 0 ); <a name="l00204"></a>00204 <a name="l00205"></a>00205 <span class="comment">//remove trail edge data</span> <a name="l00206"></a>00206 rgb = ((QRgb*)trailingScanLine+clampedX); <a name="l00207"></a>00207 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qRed(*rgb) ].<a class="code" href="structTriplet.html#a95ee093e8e86e197ad690a0e8e169d75">r</a>--; <a name="l00208"></a>00208 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qGreen(*rgb) ].<a class="code" href="structTriplet.html#ae92c534dbfa98ba94577fc8b0e995cd2">g</a>--; <a name="l00209"></a>00209 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qBlue(*rgb) ].<a class="code" href="structTriplet.html#ab04c763889df0502639bc2020f445057">b</a>--; <a name="l00210"></a>00210 <a name="l00211"></a>00211 <span class="comment">//add leading edge data</span> <a name="l00212"></a>00212 rgb = ((QRgb*)leadingScanLine+clampedX); <a name="l00213"></a>00213 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qRed(*rgb) ].<a class="code" href="structTriplet.html#a95ee093e8e86e197ad690a0e8e169d75">r</a>++; <a name="l00214"></a>00214 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qGreen(*rgb) ].<a class="code" href="structTriplet.html#ae92c534dbfa98ba94577fc8b0e995cd2">g</a>++; <a name="l00215"></a>00215 <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#aae156fb2f874455bc8aa66b83a5977ee">values</a>[ qBlue(*rgb) ].<a class="code" href="structTriplet.html#ab04c763889df0502639bc2020f445057">b</a>++; <a name="l00216"></a>00216 } <span class="comment">//originalX</span> <a name="l00217"></a>00217 <a name="l00218"></a>00218 <span class="comment">//find highest color counts</span> <a name="l00219"></a>00219 <a class="code" href="painting_8cpp.html#a96b46f44f684038c172a8adcd4fb9530">findHighestCounts</a>(); <a name="l00220"></a>00220 <a name="l00221"></a>00221 <span class="comment">//replace each color channel value with average of </span> <a name="l00222"></a>00222 <span class="comment">//current value and most occuring value within neighborhood</span> <a name="l00223"></a>00223 scanLine = editedImage->scanLine( editedImageY ); <a name="l00224"></a>00224 rgb = ((QRgb*)scanLine+editedImageX); <a name="l00225"></a>00225 *rgb = qRgb( (qRed(*rgb) + <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#a3bdc40f9aa588a0c90deb13cc9e64cc8">highestCountIndex</a>.<a class="code" href="structTriplet.html#a95ee093e8e86e197ad690a0e8e169d75">r</a>) / 2, <a name="l00226"></a>00226 (qGreen(*rgb) + <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#a3bdc40f9aa588a0c90deb13cc9e64cc8">highestCountIndex</a>.<a class="code" href="structTriplet.html#ae92c534dbfa98ba94577fc8b0e995cd2">g</a>) / 2, <a name="l00227"></a>00227 (qBlue(*rgb) + <a class="code" href="painting_8cpp.html#af59d3df2344fa40bb429c332a7feb846">histogram</a>.<a class="code" href="structHistogram.html#a3bdc40f9aa588a0c90deb13cc9e64cc8">highestCountIndex</a>.<a class="code" href="structTriplet.html#ab04c763889df0502639bc2020f445057">b</a>) / 2 ); <a name="l00228"></a>00228 <a name="l00229"></a>00229 <a name="l00230"></a>00230 <span class="comment">//update status bar if significant progress has been made since last update</span> <a name="l00231"></a>00231 <span class="keywordflow">if</span>(useBusyIndicators) <a name="l00232"></a>00232 { <a name="l00233"></a>00233 newProgress++; <a name="l00234"></a>00234 <span class="keywordflow">if</span>(newProgress >= updateIncrement) <a name="l00235"></a>00235 { <a name="l00236"></a>00236 newProgress = 0; <a name="l00237"></a>00237 status-><a class="code" href="classStatusWidget.html#ade18735223ae40506c32c96b9c9c5476" title="Updates the progress bar by one step.">incrementProgress</a>(); <a name="l00238"></a>00238 qApp->processEvents(); <a name="l00239"></a>00239 } <a name="l00240"></a>00240 } <a name="l00241"></a>00241 <a name="l00242"></a>00242 } <span class="comment">//editedImageX</span> <a name="l00243"></a>00243 } <span class="comment">//editedImageY</span> <a name="l00244"></a>00244 <a name="l00245"></a>00245 <span class="comment">//return pointer to edited image</span> <a name="l00246"></a>00246 <span class="keywordflow">return</span> editedImage; <a name="l00247"></a>00247 } </pre></div></p> </div> </div> </div> <hr size="1"/><address style="text-align: right;"><small>Generated by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> </body> </html>