<!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: crop.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>crop.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="crop_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="crop_8h.html#a34a3b1a1cf40e0cc8ef3c30da641dac8">cropImage</a> (QString filename, QPoint <a class="el" href="redEye__internal_8h.html#a6a9aebec61b1a6732045c187a6156f4f">topLeft</a>, QPoint <a class="el" href="redEye__internal_8h.html#a75e80edb449bc9a0925be60719132bd0">bottomRight</a>)</td></tr> </table> <hr/><h2>Function Documentation</h2> <a class="anchor" id="a34a3b1a1cf40e0cc8ef3c30da641dac8"></a><!-- doxytag: member="crop.h::cropImage" ref="a34a3b1a1cf40e0cc8ef3c30da641dac8" args="(QString filename, QPoint topLeft, QPoint bottomRight)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">QImage* cropImage </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">QPoint </td> <td class="paramname"> <em>topLeft</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">QPoint </td> <td class="paramname"> <em>bottomRight</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="crop_8cpp_source.html#l00036">36</a> of file <a class="el" href="crop_8cpp_source.html">crop.cpp</a>.</p> <p>Referenced by <a class="el" href="editingInterface_8cpp_source.html#l00626">EditingInterface::crop()</a>.</p> <p><div class="fragment"><pre class="fragment"><a name="l00037"></a>00037 { <a name="l00038"></a>00038 <span class="comment">//load original image</span> <a name="l00039"></a>00039 QImage origImage( filename ); <a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="comment">//convert to 32-bit depth if necessary</span> <a name="l00042"></a>00042 <span class="keywordflow">if</span>( origImage.depth() < 32 ) { origImage = origImage.convertDepth( 32, Qt::AutoColor ); } <a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="comment">//construct cropped image</span> <a name="l00045"></a>00045 QImage* croppedImage = <span class="keyword">new</span> QImage(<a class="code" href="redEye__internal_8h.html#a75e80edb449bc9a0925be60719132bd0">bottomRight</a>.x() - <a class="code" href="redEye__internal_8h.html#a6a9aebec61b1a6732045c187a6156f4f">topLeft</a>.x() + 1, <a name="l00046"></a>00046 <a class="code" href="redEye__internal_8h.html#a75e80edb449bc9a0925be60719132bd0">bottomRight</a>.y() - <a class="code" href="redEye__internal_8h.html#a6a9aebec61b1a6732045c187a6156f4f">topLeft</a>.y() + 1, <a name="l00047"></a>00047 origImage.depth()); <a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="comment">//iterate over each selected scanline </span> <a name="l00050"></a>00050 <span class="keywordtype">int</span> xOrig, yOrig; <a name="l00051"></a>00051 <span class="keywordtype">int</span> xCropped, yCropped; <a name="l00052"></a>00052 uchar *origScanLine, *croppedScanLine; <a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="keywordflow">for</span>( yOrig=<a class="code" href="redEye__internal_8h.html#a6a9aebec61b1a6732045c187a6156f4f">topLeft</a>.y(),yCropped=0; yOrig<=<a class="code" href="redEye__internal_8h.html#a75e80edb449bc9a0925be60719132bd0">bottomRight</a>.y(); yOrig++, yCropped++) <a name="l00055"></a>00055 { <a name="l00056"></a>00056 <span class="comment">//iterate over each selected pixel in scanline</span> <a name="l00057"></a>00057 origScanLine = origImage.scanLine(yOrig); <a name="l00058"></a>00058 croppedScanLine = croppedImage->scanLine(yCropped); <a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keywordflow">for</span>( xOrig=<a class="code" href="redEye__internal_8h.html#a6a9aebec61b1a6732045c187a6156f4f">topLeft</a>.x(),xCropped=0; xOrig<=<a class="code" href="redEye__internal_8h.html#a75e80edb449bc9a0925be60719132bd0">bottomRight</a>.x(); xOrig++,xCropped++) <a name="l00061"></a>00061 { <a name="l00062"></a>00062 <span class="comment">//copy pixel color from original image to cropped image</span> <a name="l00063"></a>00063 *((QRgb*)croppedScanLine+xCropped) = *((QRgb*)origScanLine+xOrig); <a name="l00064"></a>00064 } <a name="l00065"></a>00065 } <a name="l00066"></a>00066 <a name="l00067"></a>00067 <span class="comment">//return pointer to cropped image</span> <a name="l00068"></a>00068 <span class="keywordflow">return</span> croppedImage; <a name="l00069"></a>00069 } </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>