File: class_qwt_dial_needle.html

package info (click to toggle)
qwt 6.0.0-1.2
  • links: PTS
  • area: main
  • in suites: jessie, jessie-kfreebsd, wheezy
  • size: 14,132 kB
  • ctags: 12,289
  • sloc: cpp: 41,594; makefile: 8
file content (309 lines) | stat: -rw-r--r-- 14,445 bytes parent folder | download
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
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
<!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"/>
<title>Qwt User&#39;s Guide: QwtDialNeedle Class Reference</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<link href="doxygen.css" rel="stylesheet" type="text/css"/>
</head>
<body>
<!-- Generated by Doxygen 1.7.3 -->
<div id="top">
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
 <tbody>
 <tr style="height: 56px;">
  <td style="padding-left: 0.5em;">
   <div id="projectname">Qwt User's Guide&#160;<span id="projectnumber">6.0.0</span></div>
  </td>
 </tr>
 </tbody>
</table>
</div>
  <div id="navrow1" class="tabs">
    <ul class="tablist">
      <li><a href="index.html"><span>Main&#160;Page</span></a></li>
      <li><a href="pages.html"><span>Related&#160;Pages</span></a></li>
      <li class="current"><a href="annotated.html"><span>Classes</span></a></li>
      <li><a href="files.html"><span>Files</span></a></li>
    </ul>
  </div>
  <div id="navrow2" class="tabs2">
    <ul class="tablist">
      <li><a href="annotated.html"><span>Class&#160;List</span></a></li>
      <li><a href="classes.html"><span>Class&#160;Index</span></a></li>
      <li><a href="inherits.html"><span>Class&#160;Hierarchy</span></a></li>
      <li><a href="functions.html"><span>Class&#160;Members</span></a></li>
    </ul>
  </div>
</div>
<div class="header">
  <div class="summary">
<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="#pro-methods">Protected Member Functions</a>  </div>
  <div class="headertitle">
<h1>QwtDialNeedle Class Reference</h1>  </div>
</div>
<div class="contents">
<!-- doxytag: class="QwtDialNeedle" -->
<p>Base class for needles that can be used in a <a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>.  
<a href="#_details">More...</a></p>

<p><code>#include &lt;<a class="el" href="qwt__dial__needle_8h_source.html">qwt_dial_needle.h</a>&gt;</code></p>
<div class="dynheader">
Inheritance diagram for QwtDialNeedle:</div>
<div class="dyncontent">
<div class="center"><img src="class_qwt_dial_needle__inherit__graph.png" border="0" usemap="#_qwt_dial_needle_inherit__map" alt="Inheritance graph"/></div>
<map name="_qwt_dial_needle_inherit__map" id="_qwt_dial_needle_inherit__map">
<area shape="rect" id="node3" href="class_qwt_compass_magnet_needle.html" title="A magnet needle for compass widgets." alt="" coords="5,86,187,117"/><area shape="rect" id="node5" href="class_qwt_compass_wind_arrow.html" title="An indicator for the wind direction." alt="" coords="211,86,373,117"/><area shape="rect" id="node7" href="class_qwt_dial_simple_needle.html" title="A needle for dial widgets." alt="" coords="397,86,544,117"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>

<p><a href="class_qwt_dial_needle-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#aef3af79632ce784bc4d7332f6e269a1f">QwtDialNeedle</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ac23b2af4af50042967c8cea87b474247">~QwtDialNeedle</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette</a> (const QPalette &amp;)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">const QPalette &amp;&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a8b3c915032389261e07cc983b433166c">palette</a> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a425085086c4a8c7baff10b161616ee42">draw</a> (QPainter *painter, const QPointF &amp;center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const </td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#a1e4fee366fec1838edc18890d9957f2b">drawNeedle</a> (QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_dial_needle.html#aaca9572717a1db10b1b6609571024688">drawKnob</a> (QPainter *, double width, const QBrush &amp;, bool sunken) const </td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>Base class for needles that can be used in a <a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>. </p>
<p><a class="el" href="class_qwt_dial_needle.html" title="Base class for needles that can be used in a QwtDial.">QwtDialNeedle</a> is a pointer that indicates a value by pointing to a specific direction.</p>
<p>Qwt is missing a set of good looking needles. Contributions are very welcome.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_dial.html" title="QwtDial class provides a rounded range control.">QwtDial</a>, <a class="el" href="class_qwt_compass.html" title="A Compass Widget.">QwtCompass</a> </dd></dl>
</div><hr/><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" id="aef3af79632ce784bc4d7332f6e269a1f"></a><!-- doxytag: member="QwtDialNeedle::QwtDialNeedle" ref="aef3af79632ce784bc4d7332f6e269a1f" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">QwtDialNeedle::QwtDialNeedle </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Constructor. </p>

</div>
</div>
<a class="anchor" id="ac23b2af4af50042967c8cea87b474247"></a><!-- doxytag: member="QwtDialNeedle::~QwtDialNeedle" ref="ac23b2af4af50042967c8cea87b474247" args="()" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">QwtDialNeedle::~QwtDialNeedle </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td><code> [virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Destructor. </p>

</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a425085086c4a8c7baff10b161616ee42"></a><!-- doxytag: member="QwtDialNeedle::draw" ref="a425085086c4a8c7baff10b161616ee42" args="(QPainter *painter, const QPointF &amp;center, double length, double direction, QPalette::ColorGroup=QPalette::Active) const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void QwtDialNeedle::draw </td>
          <td>(</td>
          <td class="paramtype">QPainter *&#160;</td>
          <td class="paramname"><em>painter</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const QPointF &amp;&#160;</td>
          <td class="paramname"><em>center</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>length</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>direction</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">QPalette::ColorGroup&#160;</td>
          <td class="paramname"><em>colorGroup</em> = <code>QPalette::Active</code>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const<code> [virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<p>Draw the needle</p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">painter</td><td>Painter </td></tr>
    <tr><td class="paramname">center</td><td>Center of the dial, start position for the needle </td></tr>
    <tr><td class="paramname">length</td><td>Length of the needle </td></tr>
    <tr><td class="paramname">direction</td><td>Direction of the needle, in degrees counter clockwise </td></tr>
    <tr><td class="paramname">colorGroup</td><td>Color group, used for painting </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
<a class="anchor" id="aaca9572717a1db10b1b6609571024688"></a><!-- doxytag: member="QwtDialNeedle::drawKnob" ref="aaca9572717a1db10b1b6609571024688" args="(QPainter *, double width, const QBrush &amp;, bool sunken) const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void QwtDialNeedle::drawKnob </td>
          <td>(</td>
          <td class="paramtype">QPainter *&#160;</td>
          <td class="paramname"><em>painter</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>width</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">const QBrush &amp;&#160;</td>
          <td class="paramname"><em>brush</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">bool&#160;</td>
          <td class="paramname"><em>sunken</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const<code> [protected, virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Draw the knob. </p>

</div>
</div>
<a class="anchor" id="a1e4fee366fec1838edc18890d9957f2b"></a><!-- doxytag: member="QwtDialNeedle::drawNeedle" ref="a1e4fee366fec1838edc18890d9957f2b" args="(QPainter *painter, double length, QPalette::ColorGroup colorGroup) const =0" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">virtual void QwtDialNeedle::drawNeedle </td>
          <td>(</td>
          <td class="paramtype">QPainter *&#160;</td>
          <td class="paramname"><em>painter</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">double&#160;</td>
          <td class="paramname"><em>length</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">QPalette::ColorGroup&#160;</td>
          <td class="paramname"><em>colorGroup</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td> const<code> [protected, pure virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>Draw the needle. </p>
<p>The origin of the needle is at position (0.0, 0.0 ) pointing in direction 0.0 ( = east ).</p>
<p>The painter is already initilaized with translation and rotation.</p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">painter</td><td>Painter </td></tr>
    <tr><td class="paramname">length</td><td>Length of the needle </td></tr>
    <tr><td class="paramname">colorGroup</td><td>Color group, used for painting</td></tr>
  </table>
  </dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_dial_needle.html#ae850883a64501136bca64d6ea2d084b9">setPalette()</a>, <a class="el" href="class_qwt_dial_needle.html#a8b3c915032389261e07cc983b433166c">palette()</a> </dd></dl>

<p>Implemented in <a class="el" href="class_qwt_dial_simple_needle.html#a0eff8832707ff968d17eddf478d6a771">QwtDialSimpleNeedle</a>, <a class="el" href="class_qwt_compass_magnet_needle.html#aa052d929a09bfc6d487a973b2221d44d">QwtCompassMagnetNeedle</a>, and <a class="el" href="class_qwt_compass_wind_arrow.html#a4e3b612f2de83ff416e34f62c1f0fd6c">QwtCompassWindArrow</a>.</p>

</div>
</div>
<a class="anchor" id="a8b3c915032389261e07cc983b433166c"></a><!-- doxytag: member="QwtDialNeedle::palette" ref="a8b3c915032389261e07cc983b433166c" args="() const " -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">const QPalette &amp; QwtDialNeedle::palette </td>
          <td>(</td>
          <td class="paramname"></td><td>)</td>
          <td> const</td>
        </tr>
      </table>
</div>
<div class="memdoc">
<dl class="return"><dt><b>Returns:</b></dt><dd>the palette of the needle. </dd></dl>

</div>
</div>
<a class="anchor" id="ae850883a64501136bca64d6ea2d084b9"></a><!-- doxytag: member="QwtDialNeedle::setPalette" ref="ae850883a64501136bca64d6ea2d084b9" args="(const QPalette &amp;)" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">void QwtDialNeedle::setPalette </td>
          <td>(</td>
          <td class="paramtype">const QPalette &amp;&#160;</td>
          <td class="paramname"><em>palette</em></td><td>)</td>
          <td><code> [virtual]</code></td>
        </tr>
      </table>
</div>
<div class="memdoc">
<p>Sets the palette for the needle.</p>
<dl><dt><b>Parameters:</b></dt><dd>
  <table class="params">
    <tr><td class="paramname">palette</td><td>New Palette </td></tr>
  </table>
  </dd>
</dl>

</div>
</div>
</div>
<hr class="footer"/><address class="footer"><small>Generated by&#160;
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.3 </small></address>
</body>
</html>