sani7/qwt
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add files from zip

Browse Source
This commit is contained in:
Sani7
2023-10-31 09:22:42 +01:00
parent 6bacdc5f6d
commit 4dae68036f
2788 changed files with 492537 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

196
doc/html/qwtchangelog.html Normal file
View File

@@ -0,0 +1,196 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://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 1.9.1"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>Qwt User&#39;s Guide: What&#39;s new in Qwt 6.2</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="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.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">Qwt User&#39;s Guide
&#160;<span id="projectnumber">6.2.0</span>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.9.1 -->
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
/* @license-end */
</script>
<script type="text/javascript" src="menudata.js"></script>
<script type="text/javascript" src="menu.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(function() {
initMenu('',true,false,'search.php','Search');
$(document).ready(function() { init_search(); });
});
/* @license-end */</script>
<div id="main-nav"></div>
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&amp;dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('qwtchangelog.html',''); initResizable(); });
/* @license-end */
</script>
<div id="doc-content">
<!-- 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 class="PageDoc"><div class="header">
<div class="headertitle">
<div class="title">What's new in Qwt 6.2 </div> </div>
</div><!--header-->
<div class="contents">
<div class="toc"><h3>Table of Contents</h3>
<ul><li class="level1"><a href="#PLATFORM">Qt &gt;= 4.8</a></li>
<li class="level1"><a href="#Class">Includes</a></li>
<li class="level1"><a href="#POLAR">QwtPolar has become part of Qwt</a></li>
<li class="level1"><a href="#MATHML">MathML Text Renderer has become its own project</a></li>
<li class="level1"><a href="#SPLINES">Spline</a></li>
<li class="level1"><a href="#OPENGL">Better OpenGL support</a></li>
<li class="level1"><a href="#ITEMS">New plot items</a></li>
<li class="level1"><a href="#CURVE">QwtPlotCurve</a></li>
<li class="level1"><a href="#SPECTROGRAM">QwtPlotSpectrogram</a></li>
<li class="level1"><a href="#OTHERS">Other changes</a></li>
</ul>
</div>
<div class="textblock"><h1><a class="anchor" id="PLATFORM"></a>
Qt &gt;= 4.8</h1>
<p>Support for Qt &lt; Qt 4.8 has been dropped, support for Qt6 has been added.</p>
<h1><a class="anchor" id="Class"></a>
Includes</h1>
<p>Include files, that match the class names are available now. So it is possible to write "#include &lt;QwtPlot&gt;" now instead of "include qwt_plot.h"</p>
<h1><a class="anchor" id="POLAR"></a>
QwtPolar has become part of Qwt</h1>
<p>The QwtPolar project ( <a href="https://qwtpolar.sourceforge.io">https://qwtpolar.sourceforge.io</a> ) has been integrated into Qwt.</p>
<h1><a class="anchor" id="MATHML"></a>
MathML Text Renderer has become its own project</h1>
<p>The code can be found at <a href="https://github.com/uwerat/qwt-mml-dev">https://github.com/uwerat/qwt-mml-dev</a> now and is intended to become a standalone lib.</p>
<h1><a class="anchor" id="SPLINES"></a>
Spline</h1>
<p>The broken implementation of <a class="el" href="class_qwt_spline.html" title="Base class for all splines.">QwtSpline</a> has been replaced by a bunch of classes offering all sort of functionalities around splines.</p>
<p>The most popular spline approximation/interpolation algos have been implemented: </p><pre class="fragment">- Basis
- Cardinal
- ParabolicBlending
- Akima
- The one used in a proprietory office package
- Cubic
</pre> <h1><a class="anchor" id="OPENGL"></a>
Better OpenGL support</h1>
<p><a class="el" href="class_qwt_plot_open_g_l_canvas.html" title="An alternative canvas for a QwtPlot derived from QOpenGLWidget.">QwtPlotOpenGLCanvas</a> added to support rendering to a QOpenGLWidget</p>
<h1><a class="anchor" id="ITEMS"></a>
New plot items</h1>
<pre class="fragment">- QwtPlotVectorField
A new type of plot item for vector fields
- QwtPlotGraphicItem
An item displaying a QwtGraphic image ( f.e used by QwtPlotSvgItem )
</pre> <h1><a class="anchor" id="CURVE"></a>
QwtPlotCurve</h1>
<pre class="fragment">- QwtPlotCurve::FilterPointsAggressive
A fast weeding algo for huge datasets with increasing x or y values
- QwtPlotCurve::closestPoint
Is virtual now
- Line Clipping
Includes the painter clip now
- QwtValuePointData
A new type of data added, where the x values are the index
- QwtPlotCurve::setSamples
more type of setters
</pre> <h1><a class="anchor" id="SPECTROGRAM"></a>
QwtPlotSpectrogram</h1>
<pre class="fragment">- QwtPlotSpectrogram::setColorTableSize
Using individual RGB tables
- QwtRasterData::setInterval/interval
API cleanup
- QwtHueColorMap, QwtSaturationValueColorMap
New type of color maps
- QwtMatrixRasterData::BicubicInterpolation
Implementation of bicubic interpolation added
- Handling of NaN values
NaN values are interpreted as gaps, when QwtRasterData::WithoutGaps
is not set
</pre> <h1><a class="anchor" id="OTHERS"></a>
Other changes</h1>
<pre class="fragment">- QwtPlotRenderer
Using QPdfWriter instead of QPrinter, where possible
- Handling of Unknown Paint Engines
Not aligning unknown paint engines ( f.e EMF ), QwtNullPaintDevice is not using
QPaintEngine::User anymore
- QwtTransform::LogMin/LogMax
LOG_MIN/LOG_MAX have been reomed ( values differ !
- qwt_compat.h
Removed
- qwtFuzzyGreaterOrEqual/qwtFuzzyLessOrEqual
Removed
- qwtGetMin/qwtGetMax
Removed
</pre> </div></div><!-- contents -->
</div><!-- PageDoc -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
</ul>
</div>
</body>
</html>