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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>NOCRUtils::TRectScaler Class Reference</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 id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><div class="nav"><a class="el" href="namespace_n_o_c_r_utils.html">NOCRUtils</a>::<a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html">TRectScaler</a></div><h1>NOCRUtils::TRectScaler Class Reference</h1><!-- doxytag: class="NOCRUtils::TRectScaler" --><code>#include <<a class="el" href="_rect_scaler_8h-source.html">RectScaler.h</a>></code><p><a href="class_n_o_c_r_utils_1_1_t_rect_scaler-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html">TRectScaler</a> is a simple utility class to calculate and adjust rectangles based on the original and scaled rectangle size.<p><dl compact><dt><b>Note:</b></dt><dd><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html">TRectScaler</a> assumes that the scaled rectangle has the same aspect ratio as the original image </dd></dl><p><p>Definition at line <a class="el" href="_rect_scaler_8h-source.html#l00034">34</a> of file <a class="el" href="_rect_scaler_8h-source.html">RectScaler.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#4e93e07c8b1e557ccbc58afa10abda79">TRectScaler</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#a6b4fc57b5dda0378f9f21a73f7bdb13">CalculateFactor</a> (TSize aOriginal, TSize aScaled)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">TRect </td><td class="memItemRight" valign="bottom"><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#ca08d2a24ef3ed2929d7054436b3e366">ScaleUp</a> (const TRect &aScaledRect) const </td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">TRect </td><td class="memItemRight" valign="bottom"><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#00f1dff0cfd2745ed8367c2cf0f44b9d">ScaleDown</a> (const TRect &aOriginalRect) const </td></tr><tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">TReal </td><td class="memItemRight" valign="bottom"><a class="el" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#3c7149479db152faadb30f83f38b3088">iFactor</a></td></tr></table><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="4e93e07c8b1e557ccbc58afa10abda79"></a><!-- doxytag: member="NOCRUtils::TRectScaler::TRectScaler" ref="4e93e07c8b1e557ccbc58afa10abda79" args="()" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">TRectScaler::TRectScaler </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>constructor <p>Definition at line <a class="el" href="_rect_scaler_8cpp-source.html#l00024">24</a> of file <a class="el" href="_rect_scaler_8cpp-source.html">RectScaler.cpp</a>.<div class="fragment"><pre class="fragment"><a name="l00024"></a>00024 : <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#3c7149479db152faadb30f83f38b3088">iFactor</a>(0)<a name="l00025"></a>00025 {<a name="l00026"></a>00026 }</pre></div><p> </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="a6b4fc57b5dda0378f9f21a73f7bdb13"></a><!-- doxytag: member="NOCRUtils::TRectScaler::CalculateFactor" ref="a6b4fc57b5dda0378f9f21a73f7bdb13" args="(TSize aOriginal, TSize aScaled)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void TRectScaler::CalculateFactor </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">TSize </td> <td class="mdname" nowrap> <em>aOriginal</em>, </td> </tr> <tr> <td class="md" nowrap align="right"></td> <td class="md"></td> <td class="md" nowrap>TSize </td> <td class="mdname" nowrap> <em>aScaled</em></td> </tr> <tr> <td class="md"></td> <td class="md">) </td> <td class="md" colspan="2"></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Calculates the factors for height and width from the original and scaled rectangle size <dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>aOriginal</em> </td><td>size of the original rectangle </td></tr> <tr><td valign="top"></td><td valign="top"><em>aScaled</em> </td><td>size of the resized rectangle </td></tr> </table></dl><p>Definition at line <a class="el" href="_rect_scaler_8cpp-source.html#l00028">28</a> of file <a class="el" href="_rect_scaler_8cpp-source.html">RectScaler.cpp</a>.<p>References <a class="el" href="_rect_scaler_8h-source.html#l00070">iFactor</a>.<p>Referenced by <a class="el" href="_ocr_example_image_view_8cpp-source.html#l00266">COcrExampleImageView::ImageOperationCompleteL()</a>.<div class="fragment"><pre class="fragment"><a name="l00029"></a>00029 {<a name="l00030"></a>00030 <span class="comment">// calculate relative factor from width</span><a name="l00031"></a>00031 <a class="code" href="class_n_o_c_r_utils_1_1_t_rect_scaler.html#3c7149479db152faadb30f83f38b3088">iFactor</a> = TReal(aOriginal.iWidth) / TReal(aScaled.iWidth);<a name="l00032"></a>00032 }</pre></div><p> </td> </tr></table><a class="anchor" name="ca08d2a24ef3ed2929d7054436b3e366"></a><!-- doxytag: member="NOCRUtils::TRectScaler::ScaleUp" ref="ca08d2a24ef3ed2929d7054436b3e366" args="(const TRect &aScaledRect) const " --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">TRect TRectScaler::ScaleUp </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">const TRect & </td> <td class="mdname1" valign="top" nowrap> <em>aScaledRect</em> </td>⌨️ 快捷键说明
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