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<h1>qwt_scale_draw.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
21
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
22
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
23
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
24
<a name="l00005"></a>00005 <span class="comment"> * </span>
25
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
26
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
27
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
28
<a name="l00009"></a>00009
29
<a name="l00010"></a>00010 <span class="comment">// vim: expandtab</span>
30
<a name="l00011"></a>00011
31
<a name="l00012"></a>00012 <span class="preprocessor">#include <qpen.h></span>
32
<a name="l00013"></a>00013 <span class="preprocessor">#include <qpainter.h></span>
33
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_math.h"</span>
34
<a name="l00015"></a>00015 <span class="preprocessor">#include "qwt_painter.h"</span>
35
<a name="l00016"></a>00016 <span class="preprocessor">#include "qwt_polygon.h"</span>
36
<a name="l00017"></a>00017 <span class="preprocessor">#include "qwt_scale_div.h"</span>
37
<a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_scale_map.h"</span>
38
<a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_scale_draw.h"</span>
39
<a name="l00020"></a>00020
40
<a name="l00021"></a>00021 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
41
<a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#include <qwmatrix.h></span>
42
<a name="l00023"></a>00023 <span class="preprocessor">#define QwtMatrix QWMatrix</span>
43
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#else</span>
44
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#include <qmatrix.h></span>
45
<a name="l00026"></a>00026 <span class="preprocessor">#define QwtMatrix QMatrix</span>
46
<a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
47
<a name="l00028"></a>00028 <span class="preprocessor"></span>
48
<a name="l00029"></a>00029 <span class="keyword">class </span>QwtScaleDraw::PrivateData
49
<a name="l00030"></a>00030 {
50
<a name="l00031"></a>00031 <span class="keyword">public</span>:
51
<a name="l00032"></a>00032 PrivateData():
52
<a name="l00033"></a>00033 len(0),
53
<a name="l00034"></a>00034 <a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>(<a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a>::BottomScale),
54
<a name="l00035"></a>00035 <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">labelAlignment</a>(0),
55
<a name="l00036"></a>00036 <a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">labelRotation</a>(0.0)
56
<a name="l00037"></a>00037 {
57
<a name="l00038"></a>00038 }
58
<a name="l00039"></a>00039
59
<a name="l00040"></a>00040 QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a>;
60
<a name="l00041"></a>00041 <span class="keywordtype">int</span> len;
61
<a name="l00042"></a>00042
62
<a name="l00043"></a>00043 <a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">Alignment</a> <a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>;
63
<a name="l00044"></a>00044
64
<a name="l00045"></a>00045 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
65
<a name="l00046"></a>00046 <span class="preprocessor"></span> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">labelAlignment</a>;
66
<a name="l00047"></a>00047 <span class="preprocessor">#else</span>
67
<a name="l00048"></a>00048 <span class="preprocessor"></span> Qt::Alignment <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">labelAlignment</a>;
68
<a name="l00049"></a>00049 <span class="preprocessor">#endif</span>
69
<a name="l00050"></a>00050 <span class="preprocessor"></span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">labelRotation</a>;
70
<a name="l00051"></a>00051 };
71
<a name="l00052"></a>00052
72
<a name="l00060"></a><a class="code" href="class_qwt_scale_draw.html#dbd01ba8d7f19fb3122f917b1c74145b">00060</a> <a class="code" href="class_qwt_scale_draw.html#dbd01ba8d7f19fb3122f917b1c74145b">QwtScaleDraw::QwtScaleDraw</a>()
73
<a name="l00061"></a>00061 {
74
<a name="l00062"></a>00062 d_data = <span class="keyword">new</span> QwtScaleDraw::PrivateData;
75
<a name="l00063"></a>00063 <a class="code" href="class_qwt_scale_draw.html#2094e09579671d0a8e4b14a636eba6ef">setLength</a>(100);
76
<a name="l00064"></a>00064 }
77
<a name="l00065"></a>00065
78
<a name="l00067"></a><a class="code" href="class_qwt_scale_draw.html#eefb37bb1da64b582d310a046c0f9c83">00067</a> <a class="code" href="class_qwt_scale_draw.html#dbd01ba8d7f19fb3122f917b1c74145b">QwtScaleDraw::QwtScaleDraw</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> &other):
79
<a name="l00068"></a>00068 <a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a>(other)
80
<a name="l00069"></a>00069 {
81
<a name="l00070"></a>00070 d_data = <span class="keyword">new</span> QwtScaleDraw::PrivateData(*other.<a class="code" href="class_qwt_scale_draw.html#0a1ed04b944776d7a79fa846b6741ae7">d_data</a>);
82
<a name="l00071"></a>00071 }
83
<a name="l00072"></a>00072
84
<a name="l00074"></a><a class="code" href="class_qwt_scale_draw.html#9c907c8fa27ec7312e78145e3050c599">00074</a> <a class="code" href="class_qwt_scale_draw.html#9c907c8fa27ec7312e78145e3050c599">QwtScaleDraw::~QwtScaleDraw</a>()
85
<a name="l00075"></a>00075 {
86
<a name="l00076"></a>00076 <span class="keyword">delete</span> d_data;
87
<a name="l00077"></a>00077 }
88
<a name="l00078"></a>00078
89
<a name="l00080"></a><a class="code" href="class_qwt_scale_draw.html#c0616d79ee21083f7402ba0586ff2635">00080</a> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> &<a class="code" href="class_qwt_scale_draw.html#c0616d79ee21083f7402ba0586ff2635">QwtScaleDraw::operator=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_scale_draw.html">QwtScaleDraw</a> &other)
90
<a name="l00081"></a>00081 {
91
<a name="l00082"></a>00082 *(<a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a>*)<span class="keyword">this</span> = (<span class="keyword">const</span> <a class="code" href="class_qwt_abstract_scale_draw.html">QwtAbstractScaleDraw</a> &)other;
92
<a name="l00083"></a>00083 *d_data = *other.<a class="code" href="class_qwt_scale_draw.html#0a1ed04b944776d7a79fa846b6741ae7">d_data</a>;
93
<a name="l00084"></a>00084 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
94
<a name="l00085"></a>00085 }
95
<a name="l00086"></a>00086
96
<a name="l00091"></a><a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">00091</a> <a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">QwtScaleDraw::Alignment</a> <a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">QwtScaleDraw::alignment</a>()<span class="keyword"> const </span>
97
<a name="l00092"></a>00092 <span class="keyword"></span>{
98
<a name="l00093"></a>00093 <span class="keywordflow">return</span> d_data->alignment;
99
<a name="l00094"></a>00094 }
100
<a name="l00095"></a>00095
101
<a name="l00102"></a><a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">00102</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#7a4de0055dc1358e55c3357366a54091">QwtScaleDraw::setAlignment</a>(<a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">Alignment</a> align)
102
<a name="l00103"></a>00103 {
103
<a name="l00104"></a>00104 d_data->alignment = align;
104
<a name="l00105"></a>00105 }
105
<a name="l00106"></a>00106
106
<a name="l00115"></a><a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">00115</a> Qt::Orientation <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">QwtScaleDraw::orientation</a>()<span class="keyword"> const</span>
107
<a name="l00116"></a>00116 <span class="keyword"></span>{
108
<a name="l00117"></a>00117 <span class="keywordflow">switch</span>(d_data->alignment)
109
<a name="l00118"></a>00118 {
110
<a name="l00119"></a>00119 <span class="keywordflow">case</span> TopScale:
111
<a name="l00120"></a>00120 <span class="keywordflow">case</span> BottomScale:
112
<a name="l00121"></a>00121 <span class="keywordflow">return</span> Qt::Horizontal;
113
<a name="l00122"></a>00122 <span class="keywordflow">case</span> LeftScale:
114
<a name="l00123"></a>00123 <span class="keywordflow">case</span> RightScale:
115
<a name="l00124"></a>00124 <span class="keywordflow">default</span>:
116
<a name="l00125"></a>00125 <span class="keywordflow">return</span> Qt::Vertical;
117
<a name="l00126"></a>00126 }
118
<a name="l00127"></a>00127 }
119
<a name="l00128"></a>00128
120
<a name="l00139"></a><a class="code" href="class_qwt_scale_draw.html#3d8ac98bc2a52dbc5df76e427b47753c">00139</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#3d8ac98bc2a52dbc5df76e427b47753c">QwtScaleDraw::getBorderDistHint</a>(<span class="keyword">const</span> QFont &font,
121
<a name="l00140"></a>00140 <span class="keywordtype">int</span> &start, <span class="keywordtype">int</span> &end )<span class="keyword"> const</span>
122
<a name="l00141"></a>00141 <span class="keyword"></span>{
123
<a name="l00142"></a>00142 start = 0;
124
<a name="l00143"></a>00143 end = 0;
125
<a name="l00144"></a>00144
126
<a name="l00145"></a>00145 <span class="keywordflow">if</span> ( !<a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Labels) )
127
<a name="l00146"></a>00146 <span class="keywordflow">return</span>;
128
<a name="l00147"></a>00147
129
<a name="l00148"></a>00148 <span class="keyword">const</span> QwtValueList &ticks = <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MajorTick);
130
<a name="l00149"></a>00149 <span class="keywordflow">if</span> ( ticks.count() == 0 )
131
<a name="l00150"></a>00150 <span class="keywordflow">return</span>;
132
<a name="l00151"></a>00151
133
<a name="l00152"></a>00152 QRect lr = <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">labelRect</a>(font, ticks[0]);
134
<a name="l00153"></a>00153
135
<a name="l00154"></a>00154 <span class="comment">// find the distance between tick and border</span>
136
<a name="l00155"></a>00155 <span class="keywordtype">int</span> off = qwtAbs(<a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>().transform(ticks[0]) - qRound(<a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>().p1()));
137
<a name="l00156"></a>00156
138
<a name="l00157"></a>00157 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical )
139
<a name="l00158"></a>00158 end = lr.bottom() + 1 - off;
140
<a name="l00159"></a>00159 <span class="keywordflow">else</span>
141
<a name="l00160"></a>00160 start = -lr.left() - off;
142
<a name="l00161"></a>00161
143
<a name="l00162"></a>00162 <span class="keyword">const</span> <span class="keywordtype">int</span> lastTick = ticks.count() - 1;
144
<a name="l00163"></a>00163 lr = <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">labelRect</a>(font, ticks[lastTick]);
145
<a name="l00164"></a>00164
146
<a name="l00165"></a>00165 <span class="comment">// find the distance between tick and border</span>
147
<a name="l00166"></a>00166 off = qwtAbs(<a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>().transform(ticks[lastTick]) - qRound(<a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>().p2()));
148
<a name="l00167"></a>00167
149
<a name="l00168"></a>00168 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical )
150
<a name="l00169"></a>00169 start = -lr.top() - off;
151
<a name="l00170"></a>00170 <span class="keywordflow">else</span>
152
<a name="l00171"></a>00171 end = lr.right() + 1 - off;
153
<a name="l00172"></a>00172
154
<a name="l00173"></a>00173 <span class="comment">// if the distance between tick and border is larger</span>
155
<a name="l00174"></a>00174 <span class="comment">// than half of the label width/height, we set to 0</span>
156
<a name="l00175"></a>00175
157
<a name="l00176"></a>00176 <span class="keywordflow">if</span> ( start < 0 )
158
<a name="l00177"></a>00177 start = 0;
159
<a name="l00178"></a>00178 <span class="keywordflow">if</span> ( end < 0 )
160
<a name="l00179"></a>00179 end = 0;
161
<a name="l00180"></a>00180 }
162
<a name="l00181"></a>00181
163
<a name="l00192"></a><a class="code" href="class_qwt_scale_draw.html#1e60d584f563933afba119d443ba5b32">00192</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#1e60d584f563933afba119d443ba5b32">QwtScaleDraw::minLabelDist</a>(<span class="keyword">const</span> QFont &font)<span class="keyword"> const</span>
164
<a name="l00193"></a>00193 <span class="keyword"></span>{
165
<a name="l00194"></a>00194 <span class="keywordflow">if</span> ( !<a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Labels) )
166
<a name="l00195"></a>00195 <span class="keywordflow">return</span> 0;
167
<a name="l00196"></a>00196
168
<a name="l00197"></a>00197 <span class="keyword">const</span> QwtValueList &ticks = <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MajorTick);
169
<a name="l00198"></a>00198 <span class="keywordflow">if</span> (ticks.count() == 0)
170
<a name="l00199"></a>00199 <span class="keywordflow">return</span> 0;
171
<a name="l00200"></a>00200
172
<a name="l00201"></a>00201 <span class="keyword">const</span> QFontMetrics fm(font);
173
<a name="l00202"></a>00202
174
<a name="l00203"></a>00203 <span class="keyword">const</span> <span class="keywordtype">bool</span> vertical = (<a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical);
175
<a name="l00204"></a>00204
176
<a name="l00205"></a>00205 QRect bRect1;
177
<a name="l00206"></a>00206 QRect bRect2 = <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">labelRect</a>(font, ticks[0]);
178
<a name="l00207"></a>00207 <span class="keywordflow">if</span> ( vertical )
179
<a name="l00208"></a>00208 {
180
<a name="l00209"></a>00209 bRect2.setRect(-bRect2.bottom(), 0, bRect2.height(), bRect2.width());
181
<a name="l00210"></a>00210 }
182
<a name="l00211"></a>00211 <span class="keywordtype">int</span> maxDist = 0;
183
<a name="l00212"></a>00212
184
<a name="l00213"></a>00213 <span class="keywordflow">for</span> (uint i = 1; i < (uint)ticks.count(); i++ )
185
<a name="l00214"></a>00214 {
186
<a name="l00215"></a>00215 bRect1 = bRect2;
187
<a name="l00216"></a>00216 bRect2 = <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">labelRect</a>(font, ticks[i]);
188
<a name="l00217"></a>00217 <span class="keywordflow">if</span> ( vertical )
189
<a name="l00218"></a>00218 {
190
<a name="l00219"></a>00219 bRect2.setRect(-bRect2.bottom(), 0,
191
<a name="l00220"></a>00220 bRect2.height(), bRect2.width());
192
<a name="l00221"></a>00221 }
193
<a name="l00222"></a>00222
194
<a name="l00223"></a>00223 <span class="keywordtype">int</span> dist = fm.leading(); <span class="comment">// space between the labels</span>
195
<a name="l00224"></a>00224 <span class="keywordflow">if</span> ( bRect1.right() > 0 )
196
<a name="l00225"></a>00225 dist += bRect1.right();
197
<a name="l00226"></a>00226 <span class="keywordflow">if</span> ( bRect2.left() < 0 )
198
<a name="l00227"></a>00227 dist += -bRect2.left();
199
<a name="l00228"></a>00228
200
<a name="l00229"></a>00229 <span class="keywordflow">if</span> ( dist > maxDist )
201
<a name="l00230"></a>00230 maxDist = dist;
202
<a name="l00231"></a>00231 }
203
<a name="l00232"></a>00232
204
<a name="l00233"></a>00233 <span class="keywordtype">double</span> angle = <a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">labelRotation</a>() / 180.0 * M_PI;
205
<a name="l00234"></a>00234 <span class="keywordflow">if</span> ( vertical )
206
<a name="l00235"></a>00235 angle += M_PI / 2;
207
<a name="l00236"></a>00236
208
<a name="l00237"></a>00237 <span class="keywordflow">if</span> ( sin(angle) == 0.0 )
209
<a name="l00238"></a>00238 <span class="keywordflow">return</span> maxDist;
210
<a name="l00239"></a>00239
211
<a name="l00240"></a>00240 <span class="keyword">const</span> <span class="keywordtype">int</span> fmHeight = fm.ascent() - 2;
212
<a name="l00241"></a>00241
213
<a name="l00242"></a>00242 <span class="comment">// The distance we need until there is</span>
214
<a name="l00243"></a>00243 <span class="comment">// the height of the label font. This height is needed</span>
215
<a name="l00244"></a>00244 <span class="comment">// for the neighbour labal.</span>
216
<a name="l00245"></a>00245
217
<a name="l00246"></a>00246 <span class="keywordtype">int</span> labelDist = (int)(fmHeight / sin(angle) * cos(angle));
218
<a name="l00247"></a>00247 <span class="keywordflow">if</span> ( labelDist < 0 )
219
<a name="l00248"></a>00248 labelDist = -labelDist;
220
<a name="l00249"></a>00249
221
<a name="l00250"></a>00250 <span class="comment">// The cast above floored labelDist. We want to ceil.</span>
222
<a name="l00251"></a>00251 labelDist++;
223
<a name="l00252"></a>00252
224
<a name="l00253"></a>00253 <span class="comment">// For text orientations close to the scale orientation </span>
225
<a name="l00254"></a>00254
226
<a name="l00255"></a>00255 <span class="keywordflow">if</span> ( labelDist > maxDist )
227
<a name="l00256"></a>00256 labelDist = maxDist;
228
<a name="l00257"></a>00257
229
<a name="l00258"></a>00258 <span class="comment">// For text orientations close to the opposite of the </span>
230
<a name="l00259"></a>00259 <span class="comment">// scale orientation</span>
231
<a name="l00260"></a>00260
232
<a name="l00261"></a>00261 <span class="keywordflow">if</span> ( labelDist < fmHeight )
233
<a name="l00262"></a>00262 labelDist = fmHeight;
234
<a name="l00263"></a>00263
235
<a name="l00264"></a>00264 <span class="keywordflow">return</span> labelDist;
236
<a name="l00265"></a>00265 }
237
<a name="l00266"></a>00266
238
<a name="l00280"></a><a class="code" href="class_qwt_scale_draw.html#5cba775772b121b45cb10c120b3cf825">00280</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#5cba775772b121b45cb10c120b3cf825">QwtScaleDraw::extent</a>(<span class="keyword">const</span> QPen &pen, <span class="keyword">const</span> QFont &font)<span class="keyword"> const</span>
239
<a name="l00281"></a>00281 <span class="keyword"></span>{
240
<a name="l00282"></a>00282 <span class="keywordtype">int</span> d = 0;
241
<a name="l00283"></a>00283
242
<a name="l00284"></a>00284 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Labels) )
243
<a name="l00285"></a>00285 {
244
<a name="l00286"></a>00286 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical )
245
<a name="l00287"></a>00287 d = <a class="code" href="class_qwt_scale_draw.html#b0c4ee29e81cee70e8a491e5ff80b8ff">maxLabelWidth</a>(font);
246
<a name="l00288"></a>00288 <span class="keywordflow">else</span>
247
<a name="l00289"></a>00289 d = <a class="code" href="class_qwt_scale_draw.html#b5fcdcbb4c3fe419e48efd3068ecd3e4">maxLabelHeight</a>(font);
248
<a name="l00290"></a>00290
249
<a name="l00291"></a>00291 <span class="keywordflow">if</span> ( d > 0 )
250
<a name="l00292"></a>00292 d += <a class="code" href="class_qwt_abstract_scale_draw.html#3d5c5940271dd15a32e40b9022bc602a">spacing</a>();
251
<a name="l00293"></a>00293 }
252
<a name="l00294"></a>00294
253
<a name="l00295"></a>00295 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Ticks) )
254
<a name="l00296"></a>00296 {
255
<a name="l00297"></a>00297 d += <a class="code" href="class_qwt_abstract_scale_draw.html#89c8ece6fcf3a9ce422c2cbb5da2237d">majTickLength</a>();
256
<a name="l00298"></a>00298 }
257
<a name="l00299"></a>00299
258
<a name="l00300"></a>00300 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Backbone) )
259
<a name="l00301"></a>00301 {
260
<a name="l00302"></a>00302 <span class="keyword">const</span> <span class="keywordtype">int</span> pw = qwtMax( 1, pen.width() ); <span class="comment">// penwidth can be zero</span>
261
<a name="l00303"></a>00303 d += pw;
262
<a name="l00304"></a>00304 }
263
<a name="l00305"></a>00305
264
<a name="l00306"></a>00306 d = qwtMax(d, <a class="code" href="class_qwt_abstract_scale_draw.html#3ddfc4b108cbf093c89a4596109b63fd">minimumExtent</a>());
265
<a name="l00307"></a>00307 <span class="keywordflow">return</span> d;
266
<a name="l00308"></a>00308 }
267
<a name="l00309"></a>00309
268
<a name="l00318"></a><a class="code" href="class_qwt_scale_draw.html#ed2373becd1428c14eaa5412af45205a">00318</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#ed2373becd1428c14eaa5412af45205a">QwtScaleDraw::minLength</a>(<span class="keyword">const</span> QPen &pen, <span class="keyword">const</span> QFont &font)<span class="keyword"> const</span>
269
<a name="l00319"></a>00319 <span class="keyword"></span>{
270
<a name="l00320"></a>00320 <span class="keywordtype">int</span> startDist, endDist;
271
<a name="l00321"></a>00321 <a class="code" href="class_qwt_scale_draw.html#3d8ac98bc2a52dbc5df76e427b47753c">getBorderDistHint</a>(font, startDist, endDist);
272
<a name="l00322"></a>00322
273
<a name="l00323"></a>00323 <span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> &sd = <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>();
274
<a name="l00324"></a>00324
275
<a name="l00325"></a>00325 <span class="keyword">const</span> uint minorCount =
276
<a name="l00326"></a>00326 sd.<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MinorTick).count() +
277
<a name="l00327"></a>00327 sd.<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MediumTick).count();
278
<a name="l00328"></a>00328 <span class="keyword">const</span> uint majorCount =
279
<a name="l00329"></a>00329 sd.<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MajorTick).count();
280
<a name="l00330"></a>00330
281
<a name="l00331"></a>00331 <span class="keywordtype">int</span> lengthForLabels = 0;
282
<a name="l00332"></a>00332 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Labels) )
283
<a name="l00333"></a>00333 {
284
<a name="l00334"></a>00334 <span class="keywordflow">if</span> ( majorCount >= 2 )
285
<a name="l00335"></a>00335 lengthForLabels = <a class="code" href="class_qwt_scale_draw.html#1e60d584f563933afba119d443ba5b32">minLabelDist</a>(font) * (majorCount - 1);
286
<a name="l00336"></a>00336 }
287
<a name="l00337"></a>00337
288
<a name="l00338"></a>00338 <span class="keywordtype">int</span> lengthForTicks = 0;
289
<a name="l00339"></a>00339 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Ticks) )
290
<a name="l00340"></a>00340 {
291
<a name="l00341"></a>00341 <span class="keyword">const</span> <span class="keywordtype">int</span> pw = qwtMax( 1, pen.width() ); <span class="comment">// penwidth can be zero</span>
292
<a name="l00342"></a>00342 lengthForTicks = 2 * (majorCount + minorCount) * pw;
293
<a name="l00343"></a>00343 }
294
<a name="l00344"></a>00344
295
<a name="l00345"></a>00345 <span class="keywordflow">return</span> startDist + endDist + qwtMax(lengthForLabels, lengthForTicks);
296
<a name="l00346"></a>00346 }
297
<a name="l00347"></a>00347
298
<a name="l00356"></a><a class="code" href="class_qwt_scale_draw.html#0c7357dcb326ccdfa4ac3b673332a4c3">00356</a> QPoint <a class="code" href="class_qwt_scale_draw.html#0c7357dcb326ccdfa4ac3b673332a4c3">QwtScaleDraw::labelPosition</a>( <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
299
<a name="l00357"></a>00357 <span class="keyword"></span>{
300
<a name="l00358"></a>00358 <span class="keyword">const</span> <span class="keywordtype">int</span> tval = <a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>().<a class="code" href="class_qwt_scale_map.html#f35bfdc44bad4b6932ab02e60e8e6e29">transform</a>(value);
301
<a name="l00359"></a>00359 <span class="keywordtype">int</span> dist = <a class="code" href="class_qwt_abstract_scale_draw.html#3d5c5940271dd15a32e40b9022bc602a">spacing</a>() + 1;
302
<a name="l00360"></a>00360 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#8a69a890d349a9e03c145b20b5835e8a">hasComponent</a>(QwtAbstractScaleDraw::Ticks) )
303
<a name="l00361"></a>00361 dist += <a class="code" href="class_qwt_abstract_scale_draw.html#89c8ece6fcf3a9ce422c2cbb5da2237d">majTickLength</a>();
304
<a name="l00362"></a>00362
305
<a name="l00363"></a>00363 <span class="keywordtype">int</span> px = 0;
306
<a name="l00364"></a>00364 <span class="keywordtype">int</span> py = 0;
307
<a name="l00365"></a>00365
308
<a name="l00366"></a>00366 <span class="keywordflow">switch</span>(<a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>())
309
<a name="l00367"></a>00367 {
310
<a name="l00368"></a>00368 <span class="keywordflow">case</span> RightScale:
311
<a name="l00369"></a>00369 {
312
<a name="l00370"></a>00370 px = d_data->pos.x() + dist;
313
<a name="l00371"></a>00371 py = tval;
314
<a name="l00372"></a>00372 <span class="keywordflow">break</span>;
315
<a name="l00373"></a>00373 }
316
<a name="l00374"></a>00374 <span class="keywordflow">case</span> LeftScale:
317
<a name="l00375"></a>00375 {
318
<a name="l00376"></a>00376 px = d_data->pos.x() - dist;
319
<a name="l00377"></a>00377 py = tval;
320
<a name="l00378"></a>00378 <span class="keywordflow">break</span>;
321
<a name="l00379"></a>00379 }
322
<a name="l00380"></a>00380 <span class="keywordflow">case</span> BottomScale:
323
<a name="l00381"></a>00381 {
324
<a name="l00382"></a>00382 px = tval;
325
<a name="l00383"></a>00383 py = d_data->pos.y() + dist;
326
<a name="l00384"></a>00384 <span class="keywordflow">break</span>;
327
<a name="l00385"></a>00385 }
328
<a name="l00386"></a>00386 <span class="keywordflow">case</span> TopScale:
329
<a name="l00387"></a>00387 {
330
<a name="l00388"></a>00388 px = tval;
331
<a name="l00389"></a>00389 py = d_data->pos.y() - dist;
332
<a name="l00390"></a>00390 <span class="keywordflow">break</span>;
333
<a name="l00391"></a>00391 }
334
<a name="l00392"></a>00392 }
335
<a name="l00393"></a>00393
336
<a name="l00394"></a>00394 <span class="keywordflow">return</span> QPoint(px, py);
337
<a name="l00395"></a>00395 }
338
<a name="l00396"></a>00396
339
<a name="l00406"></a><a class="code" href="class_qwt_scale_draw.html#f43f429b72d4114b941f27207c4feaa5">00406</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#f43f429b72d4114b941f27207c4feaa5">QwtScaleDraw::drawTick</a>(QPainter *painter, <span class="keywordtype">double</span> value, <span class="keywordtype">int</span> len)<span class="keyword"> const</span>
340
<a name="l00407"></a>00407 <span class="keyword"></span>{
341
<a name="l00408"></a>00408 <span class="keywordflow">if</span> ( len <= 0 )
342
<a name="l00409"></a>00409 <span class="keywordflow">return</span>;
343
<a name="l00410"></a>00410
344
<a name="l00411"></a>00411 <span class="keywordtype">int</span> pw2 = qwtMin((<span class="keywordtype">int</span>)painter->pen().width(), len) / 2;
345
<a name="l00412"></a>00412
346
<a name="l00413"></a>00413 <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> <a class="code" href="class_qwt_abstract_scale_draw.html#e7488eb63ad73a2e69acb29ff069c904">scaleMap</a> = <a class="code" href="class_qwt_abstract_scale_draw.html#22cf3971a2c6377ea3b2ef1070d87326">map</a>();
347
<a name="l00414"></a>00414 <span class="keyword">const</span> <a class="code" href="class_qwt_metrics_map.html">QwtMetricsMap</a> metricsMap = <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>();
348
<a name="l00415"></a>00415 QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a> = d_data->pos;
349
<a name="l00416"></a>00416
350
<a name="l00417"></a>00417 <span class="keywordflow">if</span> ( !metricsMap.<a class="code" href="class_qwt_metrics_map.html#ed458d83b2d59f6f64e0a6d29a290275">isIdentity</a>() )
351
<a name="l00418"></a>00418 {
352
<a name="l00419"></a>00419 <span class="comment">/*</span>
353
<a name="l00420"></a>00420 <span class="comment"> The perfect position of the ticks is important.</span>
354
<a name="l00421"></a>00421 <span class="comment"> To avoid rounding errors we have to use </span>
355
<a name="l00422"></a>00422 <span class="comment"> device coordinates.</span>
356
<a name="l00423"></a>00423 <span class="comment"> */</span>
357
<a name="l00424"></a>00424 <a class="code" href="class_qwt_painter.html#0a20214cff4c8edd4c3caa0ad3a2112f">QwtPainter::resetMetricsMap</a>();
358
<a name="l00425"></a>00425
359
<a name="l00426"></a>00426 pos = metricsMap.<a class="code" href="class_qwt_metrics_map.html#f54f053fcfcb7dc595725a3caa3fb433">layoutToDevice</a>(pos);
360
<a name="l00427"></a>00427
361
<a name="l00428"></a>00428 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical )
362
<a name="l00429"></a>00429 {
363
<a name="l00430"></a>00430 scaleMap.setPaintInterval(
364
<a name="l00431"></a>00431 metricsMap.<a class="code" href="class_qwt_metrics_map.html#6daa9dd815525565ad32b924a55f5fa0">layoutToDeviceY</a>((<span class="keywordtype">int</span>)scaleMap.p1()),
365
<a name="l00432"></a>00432 metricsMap.<a class="code" href="class_qwt_metrics_map.html#6daa9dd815525565ad32b924a55f5fa0">layoutToDeviceY</a>((<span class="keywordtype">int</span>)scaleMap.p2())
366
<a name="l00433"></a>00433 );
367
<a name="l00434"></a>00434 len = metricsMap.<a class="code" href="class_qwt_metrics_map.html#2f77f9158506d7e21f95d17df19e6c56">layoutToDeviceX</a>(len);
368
<a name="l00435"></a>00435 }
369
<a name="l00436"></a>00436 <span class="keywordflow">else</span>
370
<a name="l00437"></a>00437 {
371
<a name="l00438"></a>00438 scaleMap.setPaintInterval(
372
<a name="l00439"></a>00439 metricsMap.<a class="code" href="class_qwt_metrics_map.html#2f77f9158506d7e21f95d17df19e6c56">layoutToDeviceX</a>((<span class="keywordtype">int</span>)scaleMap.p1()),
373
<a name="l00440"></a>00440 metricsMap.<a class="code" href="class_qwt_metrics_map.html#2f77f9158506d7e21f95d17df19e6c56">layoutToDeviceX</a>((<span class="keywordtype">int</span>)scaleMap.p2())
374
<a name="l00441"></a>00441 );
375
<a name="l00442"></a>00442 len = metricsMap.<a class="code" href="class_qwt_metrics_map.html#6daa9dd815525565ad32b924a55f5fa0">layoutToDeviceY</a>(len);
376
<a name="l00443"></a>00443 }
377
<a name="l00444"></a>00444 }
378
<a name="l00445"></a>00445
379
<a name="l00446"></a>00446 <span class="keyword">const</span> <span class="keywordtype">int</span> tval = scaleMap.transform(value);
380
<a name="l00447"></a>00447
381
<a name="l00448"></a>00448 <span class="keywordflow">switch</span>(<a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>())
382
<a name="l00449"></a>00449 {
383
<a name="l00450"></a>00450 <span class="keywordflow">case</span> LeftScale:
384
<a name="l00451"></a>00451 {
385
<a name="l00452"></a>00452 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
386
<a name="l00453"></a>00453 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x() + pw2, tval,
387
<a name="l00454"></a>00454 pos.x() - len - 2 * pw2, tval);
388
<a name="l00455"></a>00455 <span class="preprocessor">#else</span>
389
<a name="l00456"></a>00456 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x() - pw2, tval,
390
<a name="l00457"></a>00457 pos.x() - len, tval);
391
<a name="l00458"></a>00458 <span class="preprocessor">#endif</span>
392
<a name="l00459"></a>00459 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
393
<a name="l00460"></a>00460 }
394
<a name="l00461"></a>00461
395
<a name="l00462"></a>00462 <span class="keywordflow">case</span> RightScale:
396
<a name="l00463"></a>00463 {
397
<a name="l00464"></a>00464 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
398
<a name="l00465"></a>00465 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x(), tval,
399
<a name="l00466"></a>00466 pos.x() + len + pw2, tval);
400
<a name="l00467"></a>00467 <span class="preprocessor">#else</span>
401
<a name="l00468"></a>00468 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x() + pw2, tval,
402
<a name="l00469"></a>00469 pos.x() + len, tval);
403
<a name="l00470"></a>00470 <span class="preprocessor">#endif</span>
404
<a name="l00471"></a>00471 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
405
<a name="l00472"></a>00472 }
406
<a name="l00473"></a>00473
407
<a name="l00474"></a>00474 <span class="keywordflow">case</span> BottomScale:
408
<a name="l00475"></a>00475 {
409
<a name="l00476"></a>00476 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
410
<a name="l00477"></a>00477 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, tval, pos.y(),
411
<a name="l00478"></a>00478 tval, pos.y() + len + 2 * pw2);
412
<a name="l00479"></a>00479 <span class="preprocessor">#else</span>
413
<a name="l00480"></a>00480 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, tval, pos.y() + pw2,
414
<a name="l00481"></a>00481 tval, pos.y() + len);
415
<a name="l00482"></a>00482 <span class="preprocessor">#endif</span>
416
<a name="l00483"></a>00483 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
417
<a name="l00484"></a>00484 }
418
<a name="l00485"></a>00485
419
<a name="l00486"></a>00486 <span class="keywordflow">case</span> TopScale:
420
<a name="l00487"></a>00487 {
421
<a name="l00488"></a>00488 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
422
<a name="l00489"></a>00489 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, tval, pos.y() + pw2,
423
<a name="l00490"></a>00490 tval, pos.y() - len - 2 * pw2);
424
<a name="l00491"></a>00491 <span class="preprocessor">#else</span>
425
<a name="l00492"></a>00492 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, tval, pos.y() - pw2,
426
<a name="l00493"></a>00493 tval, pos.y() - len);
427
<a name="l00494"></a>00494 <span class="preprocessor">#endif</span>
428
<a name="l00495"></a>00495 <span class="preprocessor"></span> <span class="keywordflow">break</span>;
429
<a name="l00496"></a>00496 }
430
<a name="l00497"></a>00497 }
431
<a name="l00498"></a>00498 <a class="code" href="class_qwt_painter.html#952553514abb7ab83c4a43602c899777">QwtPainter::setMetricsMap</a>(metricsMap); <span class="comment">// restore metrics map</span>
432
<a name="l00499"></a>00499 }
433
<a name="l00500"></a>00500
434
<a name="l00507"></a><a class="code" href="class_qwt_scale_draw.html#3319e5adc50aaa49b31cd634760c6488">00507</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#3319e5adc50aaa49b31cd634760c6488">QwtScaleDraw::drawBackbone</a>(QPainter *painter)<span class="keyword"> const</span>
435
<a name="l00508"></a>00508 <span class="keyword"></span>{
436
<a name="l00509"></a>00509 <span class="keyword">const</span> <span class="keywordtype">int</span> bw2 = painter->pen().width() / 2;
437
<a name="l00510"></a>00510
438
<a name="l00511"></a>00511 <span class="keyword">const</span> QPoint &<a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a> = d_data->pos;
439
<a name="l00512"></a>00512 <span class="keyword">const</span> <span class="keywordtype">int</span> len = d_data->len - 1;
440
<a name="l00513"></a>00513
441
<a name="l00514"></a>00514 <span class="keywordflow">switch</span>(<a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>())
442
<a name="l00515"></a>00515 {
443
<a name="l00516"></a>00516 <span class="keywordflow">case</span> LeftScale:
444
<a name="l00517"></a>00517 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x() - bw2,
445
<a name="l00518"></a>00518 pos.y(), pos.x() - bw2, pos.y() + len );
446
<a name="l00519"></a>00519 <span class="keywordflow">break</span>;
447
<a name="l00520"></a>00520 <span class="keywordflow">case</span> RightScale:
448
<a name="l00521"></a>00521 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x() + bw2,
449
<a name="l00522"></a>00522 pos.y(), pos.x() + bw2, pos.y() + len);
450
<a name="l00523"></a>00523 <span class="keywordflow">break</span>;
451
<a name="l00524"></a>00524 <span class="keywordflow">case</span> TopScale:
452
<a name="l00525"></a>00525 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x(), pos.y() - bw2,
453
<a name="l00526"></a>00526 pos.x() + len, pos.y() - bw2);
454
<a name="l00527"></a>00527 <span class="keywordflow">break</span>;
455
<a name="l00528"></a>00528 <span class="keywordflow">case</span> BottomScale:
456
<a name="l00529"></a>00529 <a class="code" href="class_qwt_painter.html#f809f23704df7e05f51222daa296ca80">QwtPainter::drawLine</a>(painter, pos.x(), pos.y() + bw2,
457
<a name="l00530"></a>00530 pos.x() + len, pos.y() + bw2);
458
<a name="l00531"></a>00531 <span class="keywordflow">break</span>;
459
<a name="l00532"></a>00532 }
460
<a name="l00533"></a>00533 }
461
<a name="l00534"></a>00534
462
<a name="l00566"></a><a class="code" href="class_qwt_scale_draw.html#751cfd2bb2a29b55b7ef540e9c2f97aa">00566</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#d301aed0c797c10f0104976d1a62ff69">QwtScaleDraw::move</a>(<span class="keyword">const</span> QPoint &pos)
463
<a name="l00567"></a>00567 {
464
<a name="l00568"></a>00568 d_data->pos = pos;
465
<a name="l00569"></a>00569 updateMap();
466
<a name="l00570"></a>00570 }
467
<a name="l00571"></a>00571
468
<a name="l00576"></a><a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">00576</a> QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">QwtScaleDraw::pos</a>()<span class="keyword"> const</span>
469
<a name="l00577"></a>00577 <span class="keyword"></span>{
470
<a name="l00578"></a>00578 <span class="keywordflow">return</span> d_data->pos;
471
<a name="l00579"></a>00579 }
472
<a name="l00580"></a>00580
473
<a name="l00589"></a><a class="code" href="class_qwt_scale_draw.html#2094e09579671d0a8e4b14a636eba6ef">00589</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#2094e09579671d0a8e4b14a636eba6ef">QwtScaleDraw::setLength</a>(<span class="keywordtype">int</span> length)
474
<a name="l00590"></a>00590 {
475
<a name="l00591"></a>00591 <span class="keywordflow">if</span> ( length >= 0 && length < 10 )
476
<a name="l00592"></a>00592 length = 10;
477
<a name="l00593"></a>00593 <span class="keywordflow">if</span> ( length < 0 && length > -10 )
478
<a name="l00594"></a>00594 length = -10;
479
<a name="l00595"></a>00595
480
<a name="l00596"></a>00596 d_data->len = length;
481
<a name="l00597"></a>00597 updateMap();
482
<a name="l00598"></a>00598 }
483
<a name="l00599"></a>00599
484
<a name="l00604"></a><a class="code" href="class_qwt_scale_draw.html#6114863d3146c8ea021068865d0c4d82">00604</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#6114863d3146c8ea021068865d0c4d82">QwtScaleDraw::length</a>()<span class="keyword"> const</span>
485
<a name="l00605"></a>00605 <span class="keyword"></span>{
486
<a name="l00606"></a>00606 <span class="keywordflow">return</span> d_data->len;
487
<a name="l00607"></a>00607 }
488
<a name="l00608"></a>00608
489
<a name="l00617"></a><a class="code" href="class_qwt_scale_draw.html#58f593910892d5f2957c70f9d1370e69">00617</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#58f593910892d5f2957c70f9d1370e69">QwtScaleDraw::drawLabel</a>(QPainter *painter, <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
490
<a name="l00618"></a>00618 <span class="keyword"></span>{
491
<a name="l00619"></a>00619 <a class="code" href="class_qwt_text.html">QwtText</a> lbl = <a class="code" href="class_qwt_abstract_scale_draw.html#9325b265f351e9135cdbb9368e53f68a">tickLabel</a>(painter->font(), value);
492
<a name="l00620"></a>00620 <span class="keywordflow">if</span> ( lbl.<a class="code" href="class_qwt_text.html#a7a14283b812f50234fa0ee960e65307">isEmpty</a>() )
493
<a name="l00621"></a>00621 <span class="keywordflow">return</span>;
494
<a name="l00622"></a>00622
495
<a name="l00623"></a>00623 <span class="keyword">const</span> QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a> = <a class="code" href="class_qwt_scale_draw.html#0c7357dcb326ccdfa4ac3b673332a4c3">labelPosition</a>(value);
496
<a name="l00624"></a>00624
497
<a name="l00625"></a>00625 QSize <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">labelSize</a> = lbl.<a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">textSize</a>(painter->font());
498
<a name="l00626"></a>00626 <span class="keywordflow">if</span> ( labelSize.height() % 2 )
499
<a name="l00627"></a>00627 labelSize.setHeight(labelSize.height() + 1);
500
<a name="l00628"></a>00628
501
<a name="l00629"></a>00629 <span class="keyword">const</span> QwtMatrix m = <a class="code" href="class_qwt_scale_draw.html#a7b143ec69b0fe088b7532551bc23a23">labelMatrix</a>( pos, labelSize);
502
<a name="l00630"></a>00630
503
<a name="l00631"></a>00631 painter->save();
504
<a name="l00632"></a>00632 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
505
<a name="l00633"></a>00633 <span class="preprocessor"></span> painter->setWorldMatrix(m, <span class="keyword">true</span>);
506
<a name="l00634"></a>00634 <span class="preprocessor">#else</span>
507
<a name="l00635"></a>00635 <span class="preprocessor"></span> painter->setMatrix(m, <span class="keyword">true</span>);
508
<a name="l00636"></a>00636 <span class="preprocessor">#endif</span>
509
<a name="l00637"></a>00637 <span class="preprocessor"></span>
510
<a name="l00638"></a>00638 lbl.<a class="code" href="class_qwt_text.html#f3109303b3e0fea0ee21879666c3c870">draw</a> (painter, QRect(QPoint(0, 0), labelSize) );
511
<a name="l00639"></a>00639 painter->restore();
512
<a name="l00640"></a>00640 }
513
<a name="l00641"></a>00641
514
<a name="l00652"></a><a class="code" href="class_qwt_scale_draw.html#431f4de02ddd5f97f4db5eda01ee2651">00652</a> QRect <a class="code" href="class_qwt_scale_draw.html#431f4de02ddd5f97f4db5eda01ee2651">QwtScaleDraw::boundingLabelRect</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
515
<a name="l00653"></a>00653 <span class="keyword"></span>{
516
<a name="l00654"></a>00654 <a class="code" href="class_qwt_text.html">QwtText</a> lbl = <a class="code" href="class_qwt_abstract_scale_draw.html#9325b265f351e9135cdbb9368e53f68a">tickLabel</a>(font, value);
517
<a name="l00655"></a>00655 <span class="keywordflow">if</span> ( lbl.<a class="code" href="class_qwt_text.html#a7a14283b812f50234fa0ee960e65307">isEmpty</a>() )
518
<a name="l00656"></a>00656 <span class="keywordflow">return</span> QRect();
519
<a name="l00657"></a>00657
520
<a name="l00658"></a>00658 <span class="keyword">const</span> QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a> = <a class="code" href="class_qwt_scale_draw.html#0c7357dcb326ccdfa4ac3b673332a4c3">labelPosition</a>(value);
521
<a name="l00659"></a>00659 QSize <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">labelSize</a> = lbl.<a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">textSize</a>(font);
522
<a name="l00660"></a>00660 <span class="keywordflow">if</span> ( labelSize.height() % 2 )
523
<a name="l00661"></a>00661 labelSize.setHeight(labelSize.height() + 1);
524
<a name="l00662"></a>00662
525
<a name="l00663"></a>00663 <span class="keyword">const</span> QwtMatrix m = <a class="code" href="class_qwt_scale_draw.html#a7b143ec69b0fe088b7532551bc23a23">labelMatrix</a>( pos, labelSize);
526
<a name="l00664"></a>00664 <span class="keywordflow">return</span> m.mapRect(QRect(QPoint(0, 0), labelSize));
527
<a name="l00665"></a>00665 }
528
<a name="l00666"></a>00666
529
<a name="l00676"></a><a class="code" href="class_qwt_scale_draw.html#a7b143ec69b0fe088b7532551bc23a23">00676</a> QwtMatrix <a class="code" href="class_qwt_scale_draw.html#a7b143ec69b0fe088b7532551bc23a23">QwtScaleDraw::labelMatrix</a>(
530
<a name="l00677"></a>00677 <span class="keyword">const</span> QPoint &pos, <span class="keyword">const</span> QSize &size)<span class="keyword"> const</span>
531
<a name="l00678"></a>00678 <span class="keyword"></span>{
532
<a name="l00679"></a>00679 QwtMatrix m;
533
<a name="l00680"></a>00680 m.translate(pos.x(), pos.y());
534
<a name="l00681"></a>00681 m.rotate(<a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">labelRotation</a>());
535
<a name="l00682"></a>00682
536
<a name="l00683"></a>00683 <span class="keywordtype">int</span> flags = <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">labelAlignment</a>();
537
<a name="l00684"></a>00684 <span class="keywordflow">if</span> ( flags == 0 )
538
<a name="l00685"></a>00685 {
539
<a name="l00686"></a>00686 <span class="keywordflow">switch</span>(<a class="code" href="class_qwt_scale_draw.html#89774ef071c6d66fae5843a13fe12bd5">alignment</a>())
540
<a name="l00687"></a>00687 {
541
<a name="l00688"></a>00688 <span class="keywordflow">case</span> RightScale:
542
<a name="l00689"></a>00689 {
543
<a name="l00690"></a>00690 <span class="keywordflow">if</span> ( flags == 0 )
544
<a name="l00691"></a>00691 flags = Qt::AlignRight | Qt::AlignVCenter;
545
<a name="l00692"></a>00692 <span class="keywordflow">break</span>;
546
<a name="l00693"></a>00693 }
547
<a name="l00694"></a>00694 <span class="keywordflow">case</span> LeftScale:
548
<a name="l00695"></a>00695 {
549
<a name="l00696"></a>00696 <span class="keywordflow">if</span> ( flags == 0 )
550
<a name="l00697"></a>00697 flags = Qt::AlignLeft | Qt::AlignVCenter;
551
<a name="l00698"></a>00698 <span class="keywordflow">break</span>;
552
<a name="l00699"></a>00699 }
553
<a name="l00700"></a>00700 <span class="keywordflow">case</span> BottomScale:
554
<a name="l00701"></a>00701 {
555
<a name="l00702"></a>00702 <span class="keywordflow">if</span> ( flags == 0 )
556
<a name="l00703"></a>00703 flags = Qt::AlignHCenter | Qt::AlignBottom;
557
<a name="l00704"></a>00704 <span class="keywordflow">break</span>;
558
<a name="l00705"></a>00705 }
559
<a name="l00706"></a>00706 <span class="keywordflow">case</span> TopScale:
560
<a name="l00707"></a>00707 {
561
<a name="l00708"></a>00708 <span class="keywordflow">if</span> ( flags == 0 )
562
<a name="l00709"></a>00709 flags = Qt::AlignHCenter | Qt::AlignTop;
563
<a name="l00710"></a>00710 <span class="keywordflow">break</span>;
564
<a name="l00711"></a>00711 }
565
<a name="l00712"></a>00712 }
566
<a name="l00713"></a>00713 }
567
<a name="l00714"></a>00714
568
<a name="l00715"></a>00715 <span class="keyword">const</span> <span class="keywordtype">int</span> w = size.width();
569
<a name="l00716"></a>00716 <span class="keyword">const</span> <span class="keywordtype">int</span> h = size.height();
570
<a name="l00717"></a>00717
571
<a name="l00718"></a>00718 <span class="keywordtype">int</span> x, y;
572
<a name="l00719"></a>00719
573
<a name="l00720"></a>00720 <span class="keywordflow">if</span> ( flags & Qt::AlignLeft )
574
<a name="l00721"></a>00721 x = -w;
575
<a name="l00722"></a>00722 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( flags & Qt::AlignRight )
576
<a name="l00723"></a>00723 x = -(w % 2);
577
<a name="l00724"></a>00724 <span class="keywordflow">else</span> <span class="comment">// Qt::AlignHCenter</span>
578
<a name="l00725"></a>00725 x = -(w / 2);
579
<a name="l00726"></a>00726
580
<a name="l00727"></a>00727 <span class="keywordflow">if</span> ( flags & Qt::AlignTop )
581
<a name="l00728"></a>00728 y = -h ;
582
<a name="l00729"></a>00729 <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( flags & Qt::AlignBottom )
583
<a name="l00730"></a>00730 y = -(h % 2);
584
<a name="l00731"></a>00731 <span class="keywordflow">else</span> <span class="comment">// Qt::AlignVCenter</span>
585
<a name="l00732"></a>00732 y = -(h/2);
586
<a name="l00733"></a>00733
587
<a name="l00734"></a>00734 m.translate(x, y);
588
<a name="l00735"></a>00735
589
<a name="l00736"></a>00736 <span class="keywordflow">return</span> m;
590
<a name="l00737"></a>00737 }
591
<a name="l00738"></a>00738
592
<a name="l00747"></a><a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">00747</a> QRect <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">QwtScaleDraw::labelRect</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
593
<a name="l00748"></a>00748 <span class="keyword"></span>{
594
<a name="l00749"></a>00749 <a class="code" href="class_qwt_text.html">QwtText</a> lbl = <a class="code" href="class_qwt_abstract_scale_draw.html#9325b265f351e9135cdbb9368e53f68a">tickLabel</a>(font, value);
595
<a name="l00750"></a>00750 <span class="keywordflow">if</span> ( lbl.<a class="code" href="class_qwt_text.html#a7a14283b812f50234fa0ee960e65307">isEmpty</a>() )
596
<a name="l00751"></a>00751 <span class="keywordflow">return</span> QRect(0, 0, 0, 0);
597
<a name="l00752"></a>00752
598
<a name="l00753"></a>00753 <span class="keyword">const</span> QPoint <a class="code" href="class_qwt_scale_draw.html#9ed4b23c5b2652ac78d7278b32f9dfed">pos</a> = <a class="code" href="class_qwt_scale_draw.html#0c7357dcb326ccdfa4ac3b673332a4c3">labelPosition</a>(value);
599
<a name="l00754"></a>00754
600
<a name="l00755"></a>00755 QSize <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">labelSize</a> = lbl.<a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">textSize</a>(font);
601
<a name="l00756"></a>00756 <span class="keywordflow">if</span> ( labelSize.height() % 2 )
602
<a name="l00757"></a>00757 {
603
<a name="l00758"></a>00758 labelSize.setHeight(labelSize.height() + 1);
604
<a name="l00759"></a>00759 }
605
<a name="l00760"></a>00760
606
<a name="l00761"></a>00761 <span class="keyword">const</span> QwtMatrix m = <a class="code" href="class_qwt_scale_draw.html#a7b143ec69b0fe088b7532551bc23a23">labelMatrix</a>(pos, labelSize);
607
<a name="l00762"></a>00762
608
<a name="l00763"></a>00763 <span class="preprocessor">#if 0</span>
609
<a name="l00764"></a>00764 <span class="preprocessor"></span> QRect br = <a class="code" href="class_qwt_metrics_map.html#17f3e22f42b4f0e44096a9ac4e9e19fc">QwtMetricsMap::translate</a>(m, QRect(QPoint(0, 0), labelSize));
610
<a name="l00765"></a>00765 <span class="preprocessor">#else</span>
611
<a name="l00766"></a>00766 <span class="preprocessor"></span> QwtPolygon pol(4);
612
<a name="l00767"></a>00767 pol.setPoint(0, 0, 0);
613
<a name="l00768"></a>00768 pol.setPoint(1, 0, labelSize.height() - 1 );
614
<a name="l00769"></a>00769 pol.setPoint(2, labelSize.width() - 1, 0);
615
<a name="l00770"></a>00770 pol.setPoint(3, labelSize.width() - 1, labelSize.height() - 1 );
616
<a name="l00771"></a>00771
617
<a name="l00772"></a>00772 pol = <a class="code" href="class_qwt_metrics_map.html#17f3e22f42b4f0e44096a9ac4e9e19fc">QwtMetricsMap::translate</a>(m, pol);
618
<a name="l00773"></a>00773 QRect br = pol.boundingRect();
619
<a name="l00774"></a>00774 <span class="preprocessor">#endif</span>
620
<a name="l00775"></a>00775 <span class="preprocessor"></span>
621
<a name="l00776"></a>00776 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
622
<a name="l00777"></a>00777 <span class="preprocessor"></span> br.moveBy(-pos.x(), -pos.y());
623
<a name="l00778"></a>00778 <span class="preprocessor">#else</span>
624
<a name="l00779"></a>00779 <span class="preprocessor"></span> br.translate(-pos.x(), -pos.y());
625
<a name="l00780"></a>00780 <span class="preprocessor">#endif</span>
626
<a name="l00781"></a>00781 <span class="preprocessor"></span>
627
<a name="l00782"></a>00782 <span class="keywordflow">return</span> br;
628
<a name="l00783"></a>00783 }
629
<a name="l00784"></a>00784
630
<a name="l00791"></a><a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">00791</a> QSize <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">QwtScaleDraw::labelSize</a>(<span class="keyword">const</span> QFont &font, <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
631
<a name="l00792"></a>00792 <span class="keyword"></span>{
632
<a name="l00793"></a>00793 <span class="keywordflow">return</span> <a class="code" href="class_qwt_scale_draw.html#3f21d4d404332f187609af632a592681">labelRect</a>(font, value).size();
633
<a name="l00794"></a>00794 }
634
<a name="l00795"></a>00795
635
<a name="l00809"></a><a class="code" href="class_qwt_scale_draw.html#bf5881339fddde65a00c1dd391023320">00809</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#bf5881339fddde65a00c1dd391023320">QwtScaleDraw::setLabelRotation</a>(<span class="keywordtype">double</span> rotation)
636
<a name="l00810"></a>00810 {
637
<a name="l00811"></a>00811 d_data->labelRotation = rotation;
638
<a name="l00812"></a>00812 }
639
<a name="l00813"></a>00813
640
<a name="l00818"></a><a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">00818</a> <span class="keywordtype">double</span> <a class="code" href="class_qwt_scale_draw.html#209d371187a3ff3f895278703328b13d">QwtScaleDraw::labelRotation</a>()<span class="keyword"> const</span>
641
<a name="l00819"></a>00819 <span class="keyword"></span>{
642
<a name="l00820"></a>00820 <span class="keywordflow">return</span> d_data->labelRotation;
643
<a name="l00821"></a>00821 }
644
<a name="l00822"></a>00822
645
<a name="l00848"></a>00848 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
646
<a name="l00849"></a>00849 <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#3df0a1fe4a498ef028a5348e54bfaa7f">QwtScaleDraw::setLabelAlignment</a>(<span class="keywordtype">int</span> alignment)
647
<a name="l00850"></a>00850 <span class="preprocessor">#else</span>
648
<a name="l00851"></a><a class="code" href="class_qwt_scale_draw.html#3df0a1fe4a498ef028a5348e54bfaa7f">00851</a> <span class="preprocessor"></span><span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_draw.html#3df0a1fe4a498ef028a5348e54bfaa7f">QwtScaleDraw::setLabelAlignment</a>(<a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">Qt::Alignment</a> alignment)
649
<a name="l00852"></a>00852 <span class="preprocessor">#endif</span>
650
<a name="l00853"></a>00853 <span class="preprocessor"></span>{
651
<a name="l00854"></a>00854 d_data->labelAlignment = alignment;
652
<a name="l00855"></a>00855 }
653
<a name="l00856"></a>00856
654
<a name="l00861"></a>00861 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
655
<a name="l00862"></a>00862 <span class="preprocessor"></span><span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">QwtScaleDraw::labelAlignment</a>() const
656
<a name="l00863"></a>00863 <span class="preprocessor">#else</span>
657
<a name="l00864"></a><a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">00864</a> <span class="preprocessor"></span><a class="code" href="class_qwt_scale_draw.html#cd7ceeeac592ef08530788580b461c66">Qt::Alignment</a> <a class="code" href="class_qwt_scale_draw.html#112f0b9d3f718ea734f9a04b0a78bc0a">QwtScaleDraw::labelAlignment</a>() const
658
<a name="l00865"></a>00865 <span class="preprocessor">#endif</span>
659
<a name="l00866"></a>00866 <span class="preprocessor"></span>{
660
<a name="l00867"></a>00867 <span class="keywordflow">return</span> d_data->labelAlignment;
661
<a name="l00868"></a>00868 }
662
<a name="l00869"></a>00869
663
<a name="l00874"></a><a class="code" href="class_qwt_scale_draw.html#b0c4ee29e81cee70e8a491e5ff80b8ff">00874</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#b0c4ee29e81cee70e8a491e5ff80b8ff">QwtScaleDraw::maxLabelWidth</a>(<span class="keyword">const</span> QFont &font)<span class="keyword"> const</span>
664
<a name="l00875"></a>00875 <span class="keyword"></span>{
665
<a name="l00876"></a>00876 <span class="keywordtype">int</span> maxWidth = 0;
666
<a name="l00877"></a>00877
667
<a name="l00878"></a>00878 <span class="keyword">const</span> QwtValueList &ticks = <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MajorTick);
668
<a name="l00879"></a>00879 <span class="keywordflow">for</span> (uint i = 0; i < (uint)ticks.count(); i++)
669
<a name="l00880"></a>00880 {
670
<a name="l00881"></a>00881 <span class="keyword">const</span> <span class="keywordtype">double</span> v = ticks[i];
671
<a name="l00882"></a>00882 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().contains(v) )
672
<a name="l00883"></a>00883 {
673
<a name="l00884"></a>00884 <span class="keyword">const</span> <span class="keywordtype">int</span> w = <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">labelSize</a>(font, ticks[i]).width();
674
<a name="l00885"></a>00885 <span class="keywordflow">if</span> ( w > maxWidth )
675
<a name="l00886"></a>00886 maxWidth = w;
676
<a name="l00887"></a>00887 }
677
<a name="l00888"></a>00888 }
678
<a name="l00889"></a>00889
679
<a name="l00890"></a>00890 <span class="keywordflow">return</span> maxWidth;
680
<a name="l00891"></a>00891 }
681
<a name="l00892"></a>00892
682
<a name="l00897"></a><a class="code" href="class_qwt_scale_draw.html#b5fcdcbb4c3fe419e48efd3068ecd3e4">00897</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_draw.html#b5fcdcbb4c3fe419e48efd3068ecd3e4">QwtScaleDraw::maxLabelHeight</a>(<span class="keyword">const</span> QFont &font)<span class="keyword"> const</span>
683
<a name="l00898"></a>00898 <span class="keyword"></span>{
684
<a name="l00899"></a>00899 <span class="keywordtype">int</span> maxHeight = 0;
685
<a name="l00900"></a>00900
686
<a name="l00901"></a>00901 <span class="keyword">const</span> QwtValueList &ticks = <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>(QwtScaleDiv::MajorTick);
687
<a name="l00902"></a>00902 <span class="keywordflow">for</span> (uint i = 0; i < (uint)ticks.count(); i++)
688
<a name="l00903"></a>00903 {
689
<a name="l00904"></a>00904 <span class="keyword">const</span> <span class="keywordtype">double</span> v = ticks[i];
690
<a name="l00905"></a>00905 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_abstract_scale_draw.html#d15e796d2fd8bd1e2cfa66715bf58e2e">scaleDiv</a>().contains(v) )
691
<a name="l00906"></a>00906 {
692
<a name="l00907"></a>00907 <span class="keyword">const</span> <span class="keywordtype">int</span> h = <a class="code" href="class_qwt_scale_draw.html#32d5c396cfc5020560c4ac2e47662a16">labelSize</a>(font, ticks[i]).height();
693
<a name="l00908"></a>00908 <span class="keywordflow">if</span> ( h > maxHeight )
694
<a name="l00909"></a>00909 maxHeight = h;
695
<a name="l00910"></a>00910 }
696
<a name="l00911"></a>00911 }
697
<a name="l00912"></a>00912
698
<a name="l00913"></a>00913 <span class="keywordflow">return</span> maxHeight;
699
<a name="l00914"></a>00914 }
700
<a name="l00915"></a>00915
701
<a name="l00916"></a>00916 <span class="keywordtype">void</span> QwtScaleDraw::updateMap()
702
<a name="l00917"></a>00917 {
703
<a name="l00918"></a>00918 <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a> &sm = <a class="code" href="class_qwt_abstract_scale_draw.html#e7488eb63ad73a2e69acb29ff069c904">scaleMap</a>();
704
<a name="l00919"></a>00919 <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_draw.html#ba3a8530871137eb5f977e1eb3fe4975">orientation</a>() == Qt::Vertical )
705
<a name="l00920"></a>00920 sm.<a class="code" href="class_qwt_scale_map.html#a9a63a0b2e4ff81b1df23d9f968cd5b8">setPaintInterval</a>(d_data->pos.y() + d_data->len, d_data->pos.y());
706
<a name="l00921"></a>00921 <span class="keywordflow">else</span>
707
<a name="l00922"></a>00922 sm.<a class="code" href="class_qwt_scale_map.html#a9a63a0b2e4ff81b1df23d9f968cd5b8">setPaintInterval</a>(d_data->pos.x(), d_data->pos.x() + d_data->len);
708
<a name="l00923"></a>00923 }
709
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:47:40 2008 for Qwt User's Guide by
710
<a href="http://www.doxygen.org/index.html">
711
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
added
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qwt-5.1.1/doc/html/qwt__scale__draw_8cpp-source.html
