<!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"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.12"/> <meta name="viewport" content="width=device-width, initial-scale=1"/> <title>Engauge Digitizer: Background/BackgroundStateAbstractBase.cpp Source File</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/searchdata.js"></script> <script type="text/javascript" src="search/search.js"></script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td id="projectalign" style="padding-left: 0.5em;"> <div id="projectname">Engauge Digitizer  <span id="projectnumber">2</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.12 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <script type="text/javascript" src="menudata.js"></script> <script type="text/javascript" src="menu.js"></script> <script type="text/javascript"> $(function() { initMenu('',true,false,'search.php','Search'); $(document).ready(function() { init_search(); }); }); </script> <div id="main-nav"></div> <!-- window showing the filter options --> <div id="MSearchSelectWindow" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" onkeydown="return searchBox.OnSearchSelectKey(event)"> </div> <!-- iframe showing the search results (closed by default) --> <div id="MSearchResultsWindow"> <iframe src="javascript:void(0)" frameborder="0" name="MSearchResults" id="MSearchResults"> </iframe> </div> <div id="nav-path" class="navpath"> <ul> <li class="navelem"><a class="el" href="dir_f6b2b049cfba8dfac04f27d257b447ab.html">Background</a></li> </ul> </div> </div><!-- top --> <div class="header"> <div class="headertitle"> <div class="title">BackgroundStateAbstractBase.cpp</div> </div> </div><!--header--> <div class="contents"> <div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released *</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission. *</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> ******************************************************************************************************/</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> </div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="preprocessor">#include "BackgroundStateAbstractBase.h"</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="preprocessor">#include "DataKey.h"</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="preprocessor">#include "EngaugeAssert.h"</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#include "GraphicsItemType.h"</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "GraphicsScene.h"</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="preprocessor">#include "Logger.h"</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "ZValues.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> </div><div class="line"><a name="l00015"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a0ef7b18c48877dfa5789dd48d404cbf2"> 15</a></span> <a class="code" href="classBackgroundStateAbstractBase.html#a0ef7b18c48877dfa5789dd48d404cbf2">BackgroundStateAbstractBase::BackgroundStateAbstractBase</a>(<a class="code" href="classBackgroundStateContext.html">BackgroundStateContext</a> &context,</div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span>  <a class="code" href="classGraphicsScene.html">GraphicsScene</a> &scene) :</div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span>  m_context (context),</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span>  m_scene (scene),</div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span>  m_imageItem (0)</div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> {</div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span>  <span class="comment">// Create an image but do not show it until the appropriate state is reached</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  QPixmap dummy;</div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  m_imageItem = m_scene.addPixmap (dummy);</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  m_imageItem->setVisible (<span class="keyword">false</span>);</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  m_imageItem->setZValue (Z_VALUE_BACKGROUND);</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  m_imageItem->setData (DATA_KEY_IDENTIFIER, <span class="stringliteral">"view"</span>);</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  m_imageItem->setData (DATA_KEY_GRAPHICS_ITEM_TYPE, GRAPHICS_ITEM_TYPE_IMAGE);</div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> }</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> BackgroundStateAbstractBase::~BackgroundStateAbstractBase()</div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> {</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> }</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00034"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a4f0b10c05629d54cf8f629bcfe26de77"> 34</a></span> <a class="code" href="classBackgroundStateContext.html">BackgroundStateContext</a> &<a class="code" href="classBackgroundStateAbstractBase.html#a4f0b10c05629d54cf8f629bcfe26de77">BackgroundStateAbstractBase::context</a>()</div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> {</div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  <span class="keywordflow">return</span> m_context;</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> }</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> </div><div class="line"><a name="l00039"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a49df75f863f1739bd8ddc042eb9f9b0e"> 39</a></span> <span class="keyword">const</span> <a class="code" href="classBackgroundStateContext.html">BackgroundStateContext</a> &<a class="code" href="classBackgroundStateAbstractBase.html#a4f0b10c05629d54cf8f629bcfe26de77">BackgroundStateAbstractBase::context</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="keyword"></span>{</div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <span class="keywordflow">return</span> m_context;</div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> }</div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> </div><div class="line"><a name="l00044"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#aafb3a964a9b65b4c4e434d2f60d0d2cf"> 44</a></span> QImage <a class="code" href="classBackgroundStateAbstractBase.html#aafb3a964a9b65b4c4e434d2f60d0d2cf">BackgroundStateAbstractBase::image</a> ()<span class="keyword"> const</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="keyword"></span>{</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <span class="keywordflow">return</span> m_image;</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> }</div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> </div><div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a2371472cf830b216ef7ab80f796ae128"> 49</a></span> QGraphicsPixmapItem &<a class="code" href="classBackgroundStateAbstractBase.html#a2371472cf830b216ef7ab80f796ae128">BackgroundStateAbstractBase::imageItem</a> ()<span class="keyword"> const</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword"></span>{</div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keywordflow">return</span> *m_imageItem;</div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> </div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a3d30247a6ee7fb712101298468160fbc"> 54</a></span> <a class="code" href="classGraphicsScene.html">GraphicsScene</a> &<a class="code" href="classBackgroundStateAbstractBase.html#a3d30247a6ee7fb712101298468160fbc">BackgroundStateAbstractBase::scene</a>()</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> {</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  <span class="keywordflow">return</span> m_scene;</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> }</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00059"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a78b555a357f6f9e9d205bd50f008081a"> 59</a></span> <span class="keyword">const</span> <a class="code" href="classGraphicsScene.html">GraphicsScene</a> &<a class="code" href="classBackgroundStateAbstractBase.html#a3d30247a6ee7fb712101298468160fbc">BackgroundStateAbstractBase::scene</a>()<span class="keyword"> const</span></div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> <span class="keyword"></span>{</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  <span class="keywordflow">return</span> m_scene;</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> }</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> </div><div class="line"><a name="l00064"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#a5dd59bc7fbf7cd18dde12689d3efeb07"> 64</a></span> <span class="keywordtype">void</span> <a class="code" href="classBackgroundStateAbstractBase.html#a5dd59bc7fbf7cd18dde12689d3efeb07">BackgroundStateAbstractBase::setImageVisible</a> (<span class="keywordtype">bool</span> visible)</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span> {</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  m_imageItem->setVisible (visible);</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span> }</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span> </div><div class="line"><a name="l00069"></a><span class="lineno"><a class="line" href="classBackgroundStateAbstractBase.html#acfd9f3e51b5b24ab2892b16ae9545782"> 69</a></span> <span class="keywordtype">void</span> <a class="code" href="classBackgroundStateAbstractBase.html#acfd9f3e51b5b24ab2892b16ae9545782">BackgroundStateAbstractBase::setProcessedPixmap</a> (<span class="keyword">const</span> QPixmap &pixmap)</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> {</div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  LOG4CPP_INFO_S ((*mainCat)) << <span class="stringliteral">"BackgroundStateAbstractBase::setProcessedPixmap"</span></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  << <span class="stringliteral">" map=("</span> << pixmap.width() << <span class="stringliteral">"x"</span> << pixmap.height() << <span class="stringliteral">")"</span>;</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  ENGAUGE_CHECK_PTR(m_imageItem);</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span> </div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  m_imageItem->setPixmap (pixmap);</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="comment">// Reset scene rectangle or else small image after large image will be off-center</span></div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  m_scene.setSceneRect (m_imageItem->boundingRect ());</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  m_image = pixmap.toImage();</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> }</div><div class="ttc" id="classBackgroundStateAbstractBase_html_a5dd59bc7fbf7cd18dde12689d3efeb07"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#a5dd59bc7fbf7cd18dde12689d3efeb07">BackgroundStateAbstractBase::setImageVisible</a></div><div class="ttdeci">void setImageVisible(bool visible)</div><div class="ttdoc">Show/hide background image. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00064">BackgroundStateAbstractBase.cpp:64</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_acfd9f3e51b5b24ab2892b16ae9545782"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#acfd9f3e51b5b24ab2892b16ae9545782">BackgroundStateAbstractBase::setProcessedPixmap</a></div><div class="ttdeci">void setProcessedPixmap(const QPixmap &pixmap)</div><div class="ttdoc">Save the image for this state after it has been processed by the leaf class. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00069">BackgroundStateAbstractBase.cpp:69</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_a0ef7b18c48877dfa5789dd48d404cbf2"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#a0ef7b18c48877dfa5789dd48d404cbf2">BackgroundStateAbstractBase::BackgroundStateAbstractBase</a></div><div class="ttdeci">BackgroundStateAbstractBase(BackgroundStateContext &context, GraphicsScene &scene)</div><div class="ttdoc">Single constructor. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00015">BackgroundStateAbstractBase.cpp:15</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_a4f0b10c05629d54cf8f629bcfe26de77"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#a4f0b10c05629d54cf8f629bcfe26de77">BackgroundStateAbstractBase::context</a></div><div class="ttdeci">BackgroundStateContext & context()</div><div class="ttdoc">Reference to the BackgroundStateContext that contains all the BackgroundStateAbstractBase subclasses...</div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00034">BackgroundStateAbstractBase.cpp:34</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_a2371472cf830b216ef7ab80f796ae128"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#a2371472cf830b216ef7ab80f796ae128">BackgroundStateAbstractBase::imageItem</a></div><div class="ttdeci">QGraphicsPixmapItem & imageItem() const</div><div class="ttdoc">Graphics image item for the current state. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00049">BackgroundStateAbstractBase.cpp:49</a></div></div> <div class="ttc" id="classBackgroundStateContext_html"><div class="ttname"><a href="classBackgroundStateContext.html">BackgroundStateContext</a></div><div class="ttdoc">Context class that manages the background image state machine. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateContext_8h_source.html#l00032">BackgroundStateContext.h:32</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_aafb3a964a9b65b4c4e434d2f60d0d2cf"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#aafb3a964a9b65b4c4e434d2f60d0d2cf">BackgroundStateAbstractBase::image</a></div><div class="ttdeci">QImage image() const</div><div class="ttdoc">Image for the current state. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00044">BackgroundStateAbstractBase.cpp:44</a></div></div> <div class="ttc" id="classGraphicsScene_html"><div class="ttname"><a href="classGraphicsScene.html">GraphicsScene</a></div><div class="ttdoc">Add point and line handling to generic QGraphicsScene. </div><div class="ttdef"><b>Definition:</b> <a href="GraphicsScene_8h_source.html#l00032">GraphicsScene.h:32</a></div></div> <div class="ttc" id="classBackgroundStateAbstractBase_html_a3d30247a6ee7fb712101298468160fbc"><div class="ttname"><a href="classBackgroundStateAbstractBase.html#a3d30247a6ee7fb712101298468160fbc">BackgroundStateAbstractBase::scene</a></div><div class="ttdeci">GraphicsScene & scene()</div><div class="ttdoc">Reference to the GraphicsScene, without const. </div><div class="ttdef"><b>Definition:</b> <a href="BackgroundStateAbstractBase_8cpp_source.html#l00054">BackgroundStateAbstractBase.cpp:54</a></div></div> </div><!-- fragment --></div><!-- contents --> <!-- start footer part --> <hr class="footer"/><address class="footer"><small> Generated on Sun Dec 25 2016 20:54:08 for Engauge Digitizer by  <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/> </a> 1.8.12 </small></address> </body> </html>