/usr/share/doc/python-pyqtgraph-doc/html/_modules/pyqtgraph/graphicsItems/GradientLegend.html is in python-pyqtgraph-doc 0.9.10-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 | <!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/html; charset=utf-8" />
<title>pyqtgraph.graphicsItems.GradientLegend — pyqtgraph 0.9.10 documentation</title>
<link rel="stylesheet" href="../../../_static/classic.css" type="text/css" />
<link rel="stylesheet" href="../../../_static/pygments.css" type="text/css" />
<script type="text/javascript">
var DOCUMENTATION_OPTIONS = {
URL_ROOT: '../../../',
VERSION: '0.9.10',
COLLAPSE_INDEX: false,
FILE_SUFFIX: '.html',
HAS_SOURCE: true
};
</script>
<script type="text/javascript" src="../../../_static/jquery.js"></script>
<script type="text/javascript" src="../../../_static/underscore.js"></script>
<script type="text/javascript" src="../../../_static/doctools.js"></script>
<link rel="top" title="pyqtgraph 0.9.10 documentation" href="../../../index.html" />
<link rel="up" title="pyqtgraph" href="../../pyqtgraph.html" />
</head>
<body role="document">
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../../../genindex.html" title="General Index"
accesskey="I">index</a></li>
<li class="right" >
<a href="../../../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="nav-item nav-item-0"><a href="../../../index.html">pyqtgraph 0.9.10 documentation</a> »</li>
<li class="nav-item nav-item-1"><a href="../../index.html" >Module code</a> »</li>
<li class="nav-item nav-item-2"><a href="../../pyqtgraph.html" accesskey="U">pyqtgraph</a> »</li>
</ul>
</div>
<div class="document">
<div class="documentwrapper">
<div class="bodywrapper">
<div class="body" role="main">
<h1>Source code for pyqtgraph.graphicsItems.GradientLegend</h1><div class="highlight"><pre>
<span class="kn">from</span> <span class="nn">..Qt</span> <span class="kn">import</span> <span class="n">QtGui</span><span class="p">,</span> <span class="n">QtCore</span>
<span class="kn">from</span> <span class="nn">.UIGraphicsItem</span> <span class="kn">import</span> <span class="o">*</span>
<span class="kn">from</span> <span class="nn">..</span> <span class="kn">import</span> <span class="n">functions</span> <span class="k">as</span> <span class="n">fn</span>
<span class="n">__all__</span> <span class="o">=</span> <span class="p">[</span><span class="s">'GradientLegend'</span><span class="p">]</span>
<div class="viewcode-block" id="GradientLegend"><a class="viewcode-back" href="../../../graphicsItems/gradientlegend.html#pyqtgraph.GradientLegend">[docs]</a><span class="k">class</span> <span class="nc">GradientLegend</span><span class="p">(</span><span class="n">UIGraphicsItem</span><span class="p">):</span>
<span class="sd">"""</span>
<span class="sd"> Draws a color gradient rectangle along with text labels denoting the value at specific </span>
<span class="sd"> points along the gradient.</span>
<span class="sd"> """</span>
<div class="viewcode-block" id="GradientLegend.__init__"><a class="viewcode-back" href="../../../graphicsItems/gradientlegend.html#pyqtgraph.GradientLegend.__init__">[docs]</a> <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">size</span><span class="p">,</span> <span class="n">offset</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">size</span> <span class="o">=</span> <span class="n">size</span>
<span class="bp">self</span><span class="o">.</span><span class="n">offset</span> <span class="o">=</span> <span class="n">offset</span>
<span class="n">UIGraphicsItem</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setAcceptedMouseButtons</span><span class="p">(</span><span class="n">QtCore</span><span class="o">.</span><span class="n">Qt</span><span class="o">.</span><span class="n">NoButton</span><span class="p">)</span>
<span class="bp">self</span><span class="o">.</span><span class="n">brush</span> <span class="o">=</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QBrush</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">200</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">pen</span> <span class="o">=</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QPen</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">labels</span> <span class="o">=</span> <span class="p">{</span><span class="s">'max'</span><span class="p">:</span> <span class="mi">1</span><span class="p">,</span> <span class="s">'min'</span><span class="p">:</span> <span class="mi">0</span><span class="p">}</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span> <span class="o">=</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QLinearGradient</span><span class="p">()</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span><span class="o">.</span><span class="n">setColorAt</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">))</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span><span class="o">.</span><span class="n">setColorAt</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">255</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">))</span></div>
<span class="k">def</span> <span class="nf">setGradient</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">g</span><span class="p">):</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span> <span class="o">=</span> <span class="n">g</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span>
<span class="k">def</span> <span class="nf">setIntColorScale</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">minVal</span><span class="p">,</span> <span class="n">maxVal</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kargs</span><span class="p">):</span>
<span class="n">colors</span> <span class="o">=</span> <span class="p">[</span><span class="n">fn</span><span class="o">.</span><span class="n">intColor</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="n">maxVal</span><span class="o">-</span><span class="n">minVal</span><span class="p">,</span> <span class="o">*</span><span class="n">args</span><span class="p">,</span> <span class="o">**</span><span class="n">kargs</span><span class="p">)</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">minVal</span><span class="p">,</span> <span class="n">maxVal</span><span class="p">)]</span>
<span class="n">g</span> <span class="o">=</span> <span class="n">QtGui</span><span class="o">.</span><span class="n">QLinearGradient</span><span class="p">()</span>
<span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span class="n">colors</span><span class="p">)):</span>
<span class="n">x</span> <span class="o">=</span> <span class="nb">float</span><span class="p">(</span><span class="n">i</span><span class="p">)</span><span class="o">/</span><span class="nb">len</span><span class="p">(</span><span class="n">colors</span><span class="p">)</span>
<span class="n">g</span><span class="o">.</span><span class="n">setColorAt</span><span class="p">(</span><span class="n">x</span><span class="p">,</span> <span class="n">colors</span><span class="p">[</span><span class="n">i</span><span class="p">])</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setGradient</span><span class="p">(</span><span class="n">g</span><span class="p">)</span>
<span class="k">if</span> <span class="s">'labels'</span> <span class="ow">not</span> <span class="ow">in</span> <span class="n">kargs</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setLabels</span><span class="p">({</span><span class="nb">str</span><span class="p">(</span><span class="n">minVal</span><span class="o">/</span><span class="mf">10.</span><span class="p">):</span> <span class="mi">0</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">maxVal</span><span class="p">):</span> <span class="mi">1</span><span class="p">})</span>
<span class="k">else</span><span class="p">:</span>
<span class="bp">self</span><span class="o">.</span><span class="n">setLabels</span><span class="p">({</span><span class="n">kargs</span><span class="p">[</span><span class="s">'labels'</span><span class="p">][</span><span class="mi">0</span><span class="p">]:</span><span class="mi">0</span><span class="p">,</span> <span class="n">kargs</span><span class="p">[</span><span class="s">'labels'</span><span class="p">][</span><span class="mi">1</span><span class="p">]:</span><span class="mi">1</span><span class="p">})</span>
<div class="viewcode-block" id="GradientLegend.setLabels"><a class="viewcode-back" href="../../../graphicsItems/gradientlegend.html#pyqtgraph.GradientLegend.setLabels">[docs]</a> <span class="k">def</span> <span class="nf">setLabels</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">l</span><span class="p">):</span>
<span class="sd">"""Defines labels to appear next to the color scale. Accepts a dict of {text: value} pairs"""</span>
<span class="bp">self</span><span class="o">.</span><span class="n">labels</span> <span class="o">=</span> <span class="n">l</span>
<span class="bp">self</span><span class="o">.</span><span class="n">update</span><span class="p">()</span></div>
<span class="k">def</span> <span class="nf">paint</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="n">opt</span><span class="p">,</span> <span class="n">widget</span><span class="p">):</span>
<span class="n">UIGraphicsItem</span><span class="o">.</span><span class="n">paint</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">p</span><span class="p">,</span> <span class="n">opt</span><span class="p">,</span> <span class="n">widget</span><span class="p">)</span>
<span class="n">rect</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">boundingRect</span><span class="p">()</span> <span class="c">## Boundaries of visible area in scene coords.</span>
<span class="n">unit</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">pixelSize</span><span class="p">()</span> <span class="c">## Size of one view pixel in scene coords.</span>
<span class="k">if</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="ow">is</span> <span class="bp">None</span><span class="p">:</span>
<span class="k">return</span>
<span class="c">## determine max width of all labels</span>
<span class="n">labelWidth</span> <span class="o">=</span> <span class="mi">0</span>
<span class="n">labelHeight</span> <span class="o">=</span> <span class="mi">0</span>
<span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">labels</span><span class="p">:</span>
<span class="n">b</span> <span class="o">=</span> <span class="n">p</span><span class="o">.</span><span class="n">boundingRect</span><span class="p">(</span><span class="n">QtCore</span><span class="o">.</span><span class="n">QRectF</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">Qt</span><span class="o">.</span><span class="n">AlignLeft</span> <span class="o">|</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">Qt</span><span class="o">.</span><span class="n">AlignVCenter</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">k</span><span class="p">))</span>
<span class="n">labelWidth</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">labelWidth</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">width</span><span class="p">())</span>
<span class="n">labelHeight</span> <span class="o">=</span> <span class="nb">max</span><span class="p">(</span><span class="n">labelHeight</span><span class="p">,</span> <span class="n">b</span><span class="o">.</span><span class="n">height</span><span class="p">())</span>
<span class="n">labelWidth</span> <span class="o">*=</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">labelHeight</span> <span class="o">*=</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">textPadding</span> <span class="o">=</span> <span class="mi">2</span> <span class="c"># in px</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o"><</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">x3</span> <span class="o">=</span> <span class="n">rect</span><span class="o">.</span><span class="n">right</span><span class="p">()</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">x2</span> <span class="o">=</span> <span class="n">x3</span> <span class="o">-</span> <span class="n">labelWidth</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span><span class="o">*</span><span class="mi">2</span>
<span class="n">x1</span> <span class="o">=</span> <span class="n">x2</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">x1</span> <span class="o">=</span> <span class="n">rect</span><span class="o">.</span><span class="n">left</span><span class="p">()</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">x2</span> <span class="o">=</span> <span class="n">x1</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
<span class="n">x3</span> <span class="o">=</span> <span class="n">x2</span> <span class="o">+</span> <span class="n">labelWidth</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span><span class="o">*</span><span class="mi">2</span>
<span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o"><</span> <span class="mi">0</span><span class="p">:</span>
<span class="n">y2</span> <span class="o">=</span> <span class="n">rect</span><span class="o">.</span><span class="n">top</span><span class="p">()</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">y1</span> <span class="o">=</span> <span class="n">y2</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">else</span><span class="p">:</span>
<span class="n">y1</span> <span class="o">=</span> <span class="n">rect</span><span class="o">.</span><span class="n">bottom</span><span class="p">()</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">offset</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="n">y2</span> <span class="o">=</span> <span class="n">y1</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">*</span> <span class="bp">self</span><span class="o">.</span><span class="n">size</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="bp">self</span><span class="o">.</span><span class="n">b</span> <span class="o">=</span> <span class="p">[</span><span class="n">x1</span><span class="p">,</span><span class="n">x2</span><span class="p">,</span><span class="n">x3</span><span class="p">,</span><span class="n">y1</span><span class="p">,</span><span class="n">y2</span><span class="p">,</span><span class="n">labelWidth</span><span class="p">]</span>
<span class="c">## Draw background</span>
<span class="n">p</span><span class="o">.</span><span class="n">setPen</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">pen</span><span class="p">)</span>
<span class="n">p</span><span class="o">.</span><span class="n">setBrush</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QBrush</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">255</span><span class="p">,</span><span class="mi">255</span><span class="p">,</span><span class="mi">255</span><span class="p">,</span><span class="mi">100</span><span class="p">)))</span>
<span class="n">rect</span> <span class="o">=</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">QRectF</span><span class="p">(</span>
<span class="n">QtCore</span><span class="o">.</span><span class="n">QPointF</span><span class="p">(</span><span class="n">x1</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span><span class="p">,</span> <span class="n">y1</span> <span class="o">+</span> <span class="n">labelHeight</span><span class="o">/</span><span class="mi">2</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span><span class="p">),</span>
<span class="n">QtCore</span><span class="o">.</span><span class="n">QPointF</span><span class="p">(</span><span class="n">x3</span><span class="p">,</span> <span class="n">y2</span> <span class="o">-</span> <span class="n">labelHeight</span><span class="o">/</span><span class="mi">2</span> <span class="o">-</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span><span class="p">)</span>
<span class="p">)</span>
<span class="n">p</span><span class="o">.</span><span class="n">drawRect</span><span class="p">(</span><span class="n">rect</span><span class="p">)</span>
<span class="c">## Have to scale painter so that text and gradients are correct size. Bleh.</span>
<span class="n">p</span><span class="o">.</span><span class="n">scale</span><span class="p">(</span><span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="c">## Draw color bar</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span><span class="o">.</span><span class="n">setStart</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">y1</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="bp">self</span><span class="o">.</span><span class="n">gradient</span><span class="o">.</span><span class="n">setFinalStop</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n">y2</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="n">p</span><span class="o">.</span><span class="n">setBrush</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">gradient</span><span class="p">)</span>
<span class="n">rect</span> <span class="o">=</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">QRectF</span><span class="p">(</span>
<span class="n">QtCore</span><span class="o">.</span><span class="n">QPointF</span><span class="p">(</span><span class="n">x1</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">y1</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]),</span>
<span class="n">QtCore</span><span class="o">.</span><span class="n">QPointF</span><span class="p">(</span><span class="n">x2</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">y2</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
<span class="p">)</span>
<span class="n">p</span><span class="o">.</span><span class="n">drawRect</span><span class="p">(</span><span class="n">rect</span><span class="p">)</span>
<span class="c">## draw labels</span>
<span class="n">p</span><span class="o">.</span><span class="n">setPen</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QPen</span><span class="p">(</span><span class="n">QtGui</span><span class="o">.</span><span class="n">QColor</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">,</span><span class="mi">0</span><span class="p">)))</span>
<span class="n">tx</span> <span class="o">=</span> <span class="n">x2</span> <span class="o">+</span> <span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span><span class="o">*</span><span class="n">textPadding</span>
<span class="n">lh</span> <span class="o">=</span> <span class="n">labelHeight</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span>
<span class="k">for</span> <span class="n">k</span> <span class="ow">in</span> <span class="bp">self</span><span class="o">.</span><span class="n">labels</span><span class="p">:</span>
<span class="n">y</span> <span class="o">=</span> <span class="n">y1</span> <span class="o">+</span> <span class="bp">self</span><span class="o">.</span><span class="n">labels</span><span class="p">[</span><span class="n">k</span><span class="p">]</span> <span class="o">*</span> <span class="p">(</span><span class="n">y2</span><span class="o">-</span><span class="n">y1</span><span class="p">)</span>
<span class="n">p</span><span class="o">.</span><span class="n">drawText</span><span class="p">(</span><span class="n">QtCore</span><span class="o">.</span><span class="n">QRectF</span><span class="p">(</span><span class="n">tx</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">0</span><span class="p">],</span> <span class="n">y</span><span class="o">/</span><span class="n">unit</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span> <span class="o">-</span> <span class="n">lh</span><span class="o">/</span><span class="mf">2.0</span><span class="p">,</span> <span class="mi">1000</span><span class="p">,</span> <span class="n">lh</span><span class="p">),</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">Qt</span><span class="o">.</span><span class="n">AlignLeft</span> <span class="o">|</span> <span class="n">QtCore</span><span class="o">.</span><span class="n">Qt</span><span class="o">.</span><span class="n">AlignVCenter</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">k</span><span class="p">))</span></div>
</pre></div>
</div>
</div>
</div>
<div class="sphinxsidebar" role="navigation" aria-label="main navigation">
<div class="sphinxsidebarwrapper">
<div id="searchbox" style="display: none" role="search">
<h3>Quick search</h3>
<form class="search" action="../../../search.html" method="get">
<input type="text" name="q" />
<input type="submit" value="Go" />
<input type="hidden" name="check_keywords" value="yes" />
<input type="hidden" name="area" value="default" />
</form>
<p class="searchtip" style="font-size: 90%">
Enter search terms or a module, class or function name.
</p>
</div>
<script type="text/javascript">$('#searchbox').show(0);</script>
</div>
</div>
<div class="clearer"></div>
</div>
<div class="related" role="navigation" aria-label="related navigation">
<h3>Navigation</h3>
<ul>
<li class="right" style="margin-right: 10px">
<a href="../../../genindex.html" title="General Index"
>index</a></li>
<li class="right" >
<a href="../../../py-modindex.html" title="Python Module Index"
>modules</a> |</li>
<li class="nav-item nav-item-0"><a href="../../../index.html">pyqtgraph 0.9.10 documentation</a> »</li>
<li class="nav-item nav-item-1"><a href="../../index.html" >Module code</a> »</li>
<li class="nav-item nav-item-2"><a href="../../pyqtgraph.html" >pyqtgraph</a> »</li>
</ul>
</div>
<div class="footer" role="contentinfo">
© Copyright 2011, Luke Campagnola.
Created using <a href="http://sphinx-doc.org/">Sphinx</a> 1.3.3.
</div>
</body>
</html>
|