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<h1>scaledPreviewInterface.cpp</h1><a href="scaledPreviewInterface_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//==============================================</span>
<a name="l00002"></a>00002 <span class="comment">// copyright : (C) 2003-2005 by Will Stokes</span>
<a name="l00003"></a>00003 <span class="comment">//==============================================</span>
<a name="l00004"></a>00004 <span class="comment">// This program is free software; you can redistribute it </span>
<a name="l00005"></a>00005 <span class="comment">// and/or modify it under the terms of the GNU General </span>
<a name="l00006"></a>00006 <span class="comment">// Public License as published by the Free Software </span>
<a name="l00007"></a>00007 <span class="comment">// Foundation; either version 2 of the License, or </span>
<a name="l00008"></a>00008 <span class="comment">// (at your option) any later version. </span>
<a name="l00009"></a>00009 <span class="comment">//==============================================</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="comment">//Systemwide includes</span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <qapplication.h></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="comment">//Projectwide includes</span>
<a name="l00015"></a>00015 <span class="preprocessor">#include "<a class="code" href="scaledPreviewInterface_8h.html">scaledPreviewInterface.h</a>"</span>
<a name="l00016"></a>00016 <span class="preprocessor">#include "../../backend/tools/imageTools.h"</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="comment">//==============================================</span>
<a name="l00019"></a><a class="code" href="classScaledPreviewInterface.html#a651c282cf645a7ae3c0aa94b65ddd0f3">00019</a> <a class="code" href="classScaledPreviewInterface.html#a651c282cf645a7ae3c0aa94b65ddd0f3" title="Creates layout.">ScaledPreviewInterface::ScaledPreviewInterface</a>( QString imageFilename,
<a name="l00020"></a>00020 <a class="code" href="classQWidget.html">QWidget</a> *parent, <span class="keyword">const</span> <span class="keywordtype">char</span>* name ) :
<a name="l00021"></a>00021 <a class="code" href="classSplitViewInterface.html" title="A split view interface provides a means to show before and after versions of an image...">SplitViewInterface</a> (parent, name )
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 <span class="comment">//store original image dimensions</span>
<a name="l00024"></a>00024 <a class="code" href="imageTools_8cpp.html#a2af7f0a9c4f931ad3213c36796e95288" title="Get image dimensions.">getImageSize</a>( imageFilename, <a class="code" href="classScaledPreviewInterface.html#acae7f5c1a2c7fb16cf8a8f6662cd603f" title="original image dimensions">origImageSize</a> );
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">//resize image to current screen size for faster</span>
<a name="l00027"></a>00027 <span class="comment">//scaling during resize events</span>
<a name="l00028"></a>00028 QRect screenSize = qApp->desktop()->availableGeometry();
<a name="l00029"></a>00029 <a class="code" href="imageTools_8cpp.html#a126e11984fb8124e78e3b1b68a24870c" title="Scale image and save copy to disk.">scaleImage</a>( imageFilename, <a class="code" href="classScaledPreviewInterface.html#a5f5636330ff2bea73e7009fb480d2d85" title="Full screen version of image.">fullScreenImage</a>, screenSize.width()/2, screenSize.height()/2 );
<a name="l00030"></a>00030 <span class="comment">//-----</span>
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032 <span class="comment">//==============================================</span>
<a name="l00033"></a><a class="code" href="classScaledPreviewInterface.html#a4b4cad80179680e463fb744ad96b7044">00033</a> <span class="keywordtype">void</span> <a class="code" href="classScaledPreviewInterface.html#a4b4cad80179680e463fb744ad96b7044">ScaledPreviewInterface::resizeEvent</a>( QResizeEvent * )
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="comment">//if image has yet to be set return</span>
<a name="l00036"></a>00036 <span class="keywordflow">if</span>( <a class="code" href="classScaledPreviewInterface.html#a5f5636330ff2bea73e7009fb480d2d85" title="Full screen version of image.">fullScreenImage</a>.isNull() ) <span class="keywordflow">return</span>;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 <span class="comment">//generate orig image</span>
<a name="l00039"></a>00039 <span class="comment">//set adjusted image to null so repain won't occur until it is reset</span>
<a name="l00040"></a>00040 <a class="code" href="classSplitViewInterface.html#a7c60276f4afa1fa1fc3dfc201b6311aa">setImages</a>( <a class="code" href="classScaledPreviewInterface.html#a5f5636330ff2bea73e7009fb480d2d85" title="Full screen version of image.">fullScreenImage</a>.scale( <a class="code" href="blur_8cpp.html#a2474a5474cbff19523a51eb1de01cda4">width</a>(), <a class="code" href="blur_8cpp.html#ad12fc34ce789bce6c8a05d8a17138534">height</a>(), QImage::ScaleMin ),
<a name="l00041"></a>00041 QImage() );
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">//emit resized signal</span>
<a name="l00044"></a>00044 emit <a class="code" href="classScaledPreviewInterface.html#a9c372a097f0005c7e27c7e3d1a84e7fd">resized</a>();
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 <span class="comment">//==============================================</span>
<a name="l00047"></a><a class="code" href="classScaledPreviewInterface.html#a7331eb3f50d9c94119ac54921b53e0b4">00047</a> QSize <a class="code" href="classScaledPreviewInterface.html#a7331eb3f50d9c94119ac54921b53e0b4">ScaledPreviewInterface::sizeHint</a>()<span class="keyword"> const</span>
<a name="l00048"></a>00048 <span class="keyword"></span>{
<a name="l00049"></a>00049 <span class="comment">//a 500x375 is 4:3 aspect ratio which is fairly typical</span>
<a name="l00050"></a>00050 <span class="comment">//we'll clamp the hight to 375 in the situation where an image is mucher taller than wide</span>
<a name="l00051"></a>00051 <span class="comment">//(and hence computed height would be so big window won't fit on screen) </span>
<a name="l00052"></a>00052 <span class="keywordtype">int</span> w = 500;
<a name="l00053"></a>00053 <span class="keywordtype">int</span> h = QMIN( 375, (w*<a class="code" href="classScaledPreviewInterface.html#acae7f5c1a2c7fb16cf8a8f6662cd603f" title="original image dimensions">origImageSize</a>.height())/<a class="code" href="classScaledPreviewInterface.html#acae7f5c1a2c7fb16cf8a8f6662cd603f" title="original image dimensions">origImageSize</a>.width() );
<a name="l00054"></a>00054
<a name="l00055"></a>00055 <span class="keywordflow">return</span> QSize( w,h );
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057 <span class="comment">//==============================================</span>
<a name="l00058"></a><a class="code" href="classScaledPreviewInterface.html#a0c43655b1865dd28675b5f6c91ad923a">00058</a> QSize <a class="code" href="classScaledPreviewInterface.html#a0c43655b1865dd28675b5f6c91ad923a">ScaledPreviewInterface::minimumSizeHint</a>()<span class="keyword"> const</span>
<a name="l00059"></a>00059 <span class="keyword"></span>{
<a name="l00060"></a>00060 QSize baseMinSize = <a class="code" href="classScaledPreviewInterface.html#a0c43655b1865dd28675b5f6c91ad923a">SplitViewInterface::minimumSizeHint</a>();
<a name="l00061"></a>00061 <span class="keywordtype">int</span> w = baseMinSize.width();
<a name="l00062"></a>00062 <span class="keywordtype">int</span> h = QMAX( baseMinSize.height(), (w*<a class="code" href="classScaledPreviewInterface.html#acae7f5c1a2c7fb16cf8a8f6662cd603f" title="original image dimensions">origImageSize</a>.height())/<a class="code" href="classScaledPreviewInterface.html#acae7f5c1a2c7fb16cf8a8f6662cd603f" title="original image dimensions">origImageSize</a>.width() );
<a name="l00063"></a>00063 <span class="keywordflow">return</span> QSize( w, h );
<a name="l00064"></a>00064 }
<a name="l00065"></a>00065 <span class="comment">//============================================== </span>
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