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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>RectScaler.h Source File</title><link href="style.css" rel="stylesheet" type="text/css"></head><table border="0" width="100%" height="8" bgcolor="#eeeeee"><tr> <td width="100%" height="1"><b><font size="2" color="#000000" face="Arial, Helvetica, sans-serif"><strong><a name=Top></a>S60 5th Edition SDK v0.9 </strong></font></b><br><i>Example Applications Guide</i></td></tr> </table><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="annotated.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> </ul></div><h1>RectScaler.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment">* ==============================================================================</span><a name="l00003"></a>00003 <span class="comment">* Name : RectScaler.h</span><a name="l00004"></a>00004 <span class="comment">* Part of : OcrExample</span><a name="l00005"></a>00005 <span class="comment">* Interface :</span><a name="l00006"></a>00006 <span class="comment">* Description :</span><a name="l00007"></a>00007 <span class="comment">* Version :</span><a name="l00008"></a>00008 <span class="comment">*</span><a name="l00009"></a>00009 <span class="comment">* Copyright (c) 2006 Nokia Corporation.</span><a name="l00010"></a>00010 <span class="comment">* This material, including documentation and any related</span><a name="l00011"></a>00011 <span class="comment">* computer programs, is protected by copyright controlled by</span><a name="l00012"></a>00012 <span class="comment">* Nokia Corporation.</span><a name="l00013"></a>00013 <span class="comment">* ==============================================================================</span><a name="l00014"></a>00014 <span class="comment">*/</span><a name="l00015"></a>00015 <a name="l00016"></a>00016 <span class="preprocessor">#ifndef RECT_SCALER_H</span><a name="l00017"></a>00017 <span class="preprocessor"></span><span class="preprocessor">#define RECT_SCALER_H</span><a name="l00018"></a>00018 <span class="preprocessor"></span><a name="l00019"></a>00019 <span class="preprocessor">#include <e32cmn.h></span><a name="l00020"></a>00020 <span class="preprocessor">#include <e32std.h></span><a name="l00021"></a>00021 <span class="comment"></span><a name="l00022"></a>00022 <span class="comment">/**</span><a name="l00023"></a>00023 <span class="comment"> * namespace contains various utility classes</span><a name="l00024"></a>00024 <span class="comment"> */</span><a name="l00025"></a>00025 <span class="keyword">namespace </span>NOCRUtils<a name="l00026"></a>00026 {<span class="comment"></span><a name="l00027"></a>00027 <span class="comment"> /**</span><a name="l00028"></a>00028 <span class="comment"> * TRectScaler is a simple utility class to calculate and adjust rectangles</span><a name="l00029"></a>00029 <span class="comment"> * based on the original and scaled rectangle size.</span><a name="l00030"></a>00030 <span class="comment"> *</span><a name="l00031"></a>00031 <span class="comment"> * @note TRectScaler assumes that the scaled rectangle has the same aspect</span><a name="l00032"></a>00032 <span class="comment"> * ratio as the original image</span><a name="l00033"></a>00033 <span class="comment"> */</span><a name="l00034"></a><a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html">00034</a> <span class="keyword">class </span><a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html">TRectScaler</a><a name="l00035"></a>00035 {<a name="l00036"></a>00036 <span class="keyword">public</span>:<span class="comment"></span><a name="l00037"></a>00037 <span class="comment"> /** constructor */</span><a name="l00038"></a>00038 <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#4e93e07c8b1e557ccbc58afa10abda79">TRectScaler</a>();<a name="l00039"></a>00039 <span class="comment"></span><a name="l00040"></a>00040 <span class="comment"> /**</span><a name="l00041"></a>00041 <span class="comment"> * Calculates the factors for height and width from the</span><a name="l00042"></a>00042 <span class="comment"> * original and scaled rectangle size</span><a name="l00043"></a>00043 <span class="comment"> * @param aOriginal size of the original rectangle</span><a name="l00044"></a>00044 <span class="comment"> * @param aScaled size of the resized rectangle</span><a name="l00045"></a>00045 <span class="comment"> */</span><a name="l00046"></a>00046 <span class="keywordtype">void</span> <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#a6b4fc57b5dda0378f9f21a73f7bdb13">CalculateFactor</a>( TSize aOriginal, TSize aScaled );<a name="l00047"></a>00047 <span class="comment"></span><a name="l00048"></a>00048 <span class="comment"> /**</span><a name="l00049"></a>00049 <span class="comment"> * calculates a scaled up rectangle based on the current</span><a name="l00050"></a>00050 <span class="comment"> * relational factors. Both the size and position of the returned</span><a name="l00051"></a>00051 <span class="comment"> * rectangle are scaled.</span><a name="l00052"></a>00052 <span class="comment"> * @param aScaledRect a rectangle, which is used as a basis for</span><a name="l00053"></a>00053 <span class="comment"> * the scaled up rectangle</span><a name="l00054"></a>00054 <span class="comment"> * @return a scaled up rectangle</span><a name="l00055"></a>00055 <span class="comment"> */</span><a name="l00056"></a>00056 TRect <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#ca08d2a24ef3ed2929d7054436b3e366">ScaleUp</a>( <span class="keyword">const</span> TRect& aScaledRect ) <span class="keyword">const</span>;<a name="l00057"></a>00057 <span class="comment"></span><a name="l00058"></a>00058 <span class="comment"> /**</span><a name="l00059"></a>00059 <span class="comment"> * calculates a scaled down rectangle based on the current</span><a name="l00060"></a>00060 <span class="comment"> * relational factors. Both the size and position of the returned</span><a name="l00061"></a>00061 <span class="comment"> * rectangle are scaled.</span><a name="l00062"></a>00062 <span class="comment"> * @param aOriginalRect a rectangle, which is used as a basis for</span><a name="l00063"></a>00063 <span class="comment"> * the scaled down rectangle</span><a name="l00064"></a>00064 <span class="comment"> * @return a scaled down rectangle</span><a name="l00065"></a>00065 <span class="comment"> */</span><a name="l00066"></a>00066 TRect <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#00f1dff0cfd2745ed8367c2cf0f44b9d">ScaleDown</a>( <span class="keyword">const</span> TRect& aOriginalRect ) <span class="keyword">const</span>;<a name="l00067"></a>00067 <a name="l00068"></a>00068 <span class="keyword">private</span>:<span class="comment"></span><a name="l00069"></a>00069 <span class="comment"> /** scale factor */</span><a name="l00070"></a><a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#3c7149479db152faadb30f83f38b3088">00070</a> TReal <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#3c7149479db152faadb30f83f38b3088">iFactor</a>;<a name="l00071"></a>00071 };<a name="l00072"></a>00072 <a name="l00073"></a>00073 } <span class="comment">// namespace NOCRUtils</span><a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="preprocessor">#endif</span></pre></div><hr><table x-use-null-cells style="x-cell-content-align: top; width: 100%; border-spacing: 0px; border-spacing: 0px;" cellspacing=0 width=100%> <col style="width: 50%;"> <col style="width: 50%;"> <tr style="x-cell-content-align: top;" valign=top> <td style="width: 50%; padding-right: 10px; padding-left: 10px; border-right-style: None; border-left-style: None; border-top-style: None; border-bottom-style: None;" width=50%> <p style="font-family: Arial;"><small style="font-size: smaller;">⌨️ 快捷键说明
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