1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
2
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
3
<title>Qwt User's Guide: qwt_text.cpp Source File</title>
4
<link href="doxygen.css" rel="stylesheet" type="text/css">
5
<link href="tabs.css" rel="stylesheet" type="text/css">
7
<!-- Generated by Doxygen 1.5.0 -->
10
<li><a href="index.html"><span>Main Page</span></a></li>
11
<li><a href="classes.html"><span>Classes</span></a></li>
12
<li id="current"><a href="files.html"><span>Files</span></a></li>
13
<li><a href="pages.html"><span>Related Pages</span></a></li>
17
<li><a href="files.html"><span>File List</span></a></li>
18
<li><a href="globals.html"><span>File Members</span></a></li>
20
<h1>qwt_text.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) 2003 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 <qmap.h></span>
32
<a name="l00013"></a>00013 <span class="preprocessor">#include <qfont.h></span>
33
<a name="l00014"></a>00014 <span class="preprocessor">#include <qcolor.h></span>
34
<a name="l00015"></a>00015 <span class="preprocessor">#include <qpen.h></span>
35
<a name="l00016"></a>00016 <span class="preprocessor">#include <qbrush.h></span>
36
<a name="l00017"></a>00017 <span class="preprocessor">#include <qpainter.h></span>
37
<a name="l00018"></a>00018 <span class="preprocessor">#include "qwt_painter.h"</span>
38
<a name="l00019"></a>00019 <span class="preprocessor">#include "qwt_text_engine.h"</span>
39
<a name="l00020"></a>00020 <span class="preprocessor">#include "qwt_text.h"</span>
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 <qapplication.h></span>
42
<a name="l00023"></a>00023 <span class="preprocessor">#include <qdesktopwidget.h></span>
43
<a name="l00024"></a>00024 <span class="preprocessor">#endif</span>
44
<a name="l00025"></a>00025 <span class="preprocessor"></span>
45
<a name="l00026"></a>00026 <span class="keyword">class </span>QwtTextEngineDict
46
<a name="l00027"></a>00027 {
47
<a name="l00028"></a>00028 <span class="keyword">public</span>:
48
<a name="l00029"></a>00029 QwtTextEngineDict();
49
<a name="l00030"></a>00030 ~QwtTextEngineDict();
50
<a name="l00031"></a>00031
51
<a name="l00032"></a>00032 <span class="keywordtype">void</span> setTextEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>, <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *);
52
<a name="l00033"></a>00033 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>) <span class="keyword">const</span>;
53
<a name="l00034"></a>00034 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine(<span class="keyword">const</span> QString &,
54
<a name="l00035"></a>00035 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a>) <span class="keyword">const</span>;
55
<a name="l00036"></a>00036
56
<a name="l00037"></a>00037 <span class="keyword">private</span>:
57
<a name="l00038"></a>00038 <span class="keyword">typedef</span> QMap<int, QwtTextEngine *> EngineMap;
58
<a name="l00039"></a>00039
59
<a name="l00040"></a>00040 <span class="keyword">inline</span> <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *engine(EngineMap::const_iterator &it)<span class="keyword"> const </span>
60
<a name="l00041"></a>00041 <span class="keyword"> </span>{
61
<a name="l00042"></a>00042 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
62
<a name="l00043"></a>00043 <span class="preprocessor"></span> <span class="keywordflow">return</span> it.data();
63
<a name="l00044"></a>00044 <span class="preprocessor">#else</span>
64
<a name="l00045"></a>00045 <span class="preprocessor"></span> <span class="keywordflow">return</span> it.value();
65
<a name="l00046"></a>00046 <span class="preprocessor">#endif</span>
66
<a name="l00047"></a>00047 <span class="preprocessor"></span> }
67
<a name="l00048"></a>00048
68
<a name="l00049"></a>00049 EngineMap d_map;
69
<a name="l00050"></a>00050 };
70
<a name="l00051"></a>00051
71
<a name="l00052"></a>00052 QwtTextEngineDict::QwtTextEngineDict()
72
<a name="l00053"></a>00053 {
73
<a name="l00054"></a>00054 d_map.insert(QwtText::PlainText, <span class="keyword">new</span> <a class="code" href="class_qwt_plain_text_engine.html">QwtPlainTextEngine</a>());
74
<a name="l00055"></a>00055 <span class="preprocessor">#ifndef QT_NO_RICHTEXT</span>
75
<a name="l00056"></a>00056 <span class="preprocessor"></span> d_map.insert(QwtText::RichText, <span class="keyword">new</span> <a class="code" href="class_qwt_rich_text_engine.html">QwtRichTextEngine</a>());
76
<a name="l00057"></a>00057 <span class="preprocessor">#endif</span>
77
<a name="l00058"></a>00058 <span class="preprocessor"></span>}
78
<a name="l00059"></a>00059
79
<a name="l00060"></a>00060 QwtTextEngineDict::~QwtTextEngineDict()
80
<a name="l00061"></a>00061 {
81
<a name="l00062"></a>00062 <span class="keywordflow">for</span> ( EngineMap::const_iterator it = d_map.begin();
82
<a name="l00063"></a>00063 it != d_map.end(); ++it )
83
<a name="l00064"></a>00064 {
84
<a name="l00065"></a>00065 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *textEngine = (<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *)engine(it);
85
<a name="l00066"></a>00066 <span class="keyword">delete</span> textEngine;
86
<a name="l00067"></a>00067 }
87
<a name="l00068"></a>00068 }
88
<a name="l00069"></a>00069
89
<a name="l00070"></a>00070 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *QwtTextEngineDict::textEngine(<span class="keyword">const</span> QString& text,
90
<a name="l00071"></a>00071 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)<span class="keyword"> const</span>
91
<a name="l00072"></a>00072 <span class="keyword"></span>{
92
<a name="l00073"></a>00073 <span class="keywordflow">if</span> ( format == QwtText::AutoText )
93
<a name="l00074"></a>00074 {
94
<a name="l00075"></a>00075 <span class="keywordflow">for</span> ( EngineMap::const_iterator it = d_map.begin();
95
<a name="l00076"></a>00076 it != d_map.end(); ++it )
96
<a name="l00077"></a>00077 {
97
<a name="l00078"></a>00078 <span class="keywordflow">if</span> ( it.key() != QwtText::PlainText )
98
<a name="l00079"></a>00079 {
99
<a name="l00080"></a>00080 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = engine(it);
100
<a name="l00081"></a>00081 <span class="keywordflow">if</span> ( e && e->mightRender(text) )
101
<a name="l00082"></a>00082 <span class="keywordflow">return</span> (<a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *)e;
102
<a name="l00083"></a>00083 }
103
<a name="l00084"></a>00084 }
104
<a name="l00085"></a>00085 }
105
<a name="l00086"></a>00086
106
<a name="l00087"></a>00087 EngineMap::const_iterator it = d_map.find(format);
107
<a name="l00088"></a>00088 <span class="keywordflow">if</span> ( it != d_map.end() )
108
<a name="l00089"></a>00089 {
109
<a name="l00090"></a>00090 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = engine(it);
110
<a name="l00091"></a>00091 <span class="keywordflow">if</span> ( e )
111
<a name="l00092"></a>00092 <span class="keywordflow">return</span> e;
112
<a name="l00093"></a>00093 }
113
<a name="l00094"></a>00094
114
<a name="l00095"></a>00095 it = d_map.find(QwtText::PlainText);
115
<a name="l00096"></a>00096 <span class="keywordflow">return</span> engine(it);
116
<a name="l00097"></a>00097 }
117
<a name="l00098"></a>00098
118
<a name="l00099"></a>00099 <span class="keywordtype">void</span> QwtTextEngineDict::setTextEngine(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format,
119
<a name="l00100"></a>00100 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *engine)
120
<a name="l00101"></a>00101 {
121
<a name="l00102"></a>00102 <span class="keywordflow">if</span> ( format == QwtText::AutoText )
122
<a name="l00103"></a>00103 <span class="keywordflow">return</span>;
123
<a name="l00104"></a>00104
124
<a name="l00105"></a>00105 <span class="keywordflow">if</span> ( format == QwtText::PlainText && engine == NULL )
125
<a name="l00106"></a>00106 <span class="keywordflow">return</span>;
126
<a name="l00107"></a>00107
127
<a name="l00108"></a>00108 EngineMap::const_iterator it = d_map.find(format);
128
<a name="l00109"></a>00109 <span class="keywordflow">if</span> ( it != d_map.end() )
129
<a name="l00110"></a>00110 {
130
<a name="l00111"></a>00111 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = this->engine(it);
131
<a name="l00112"></a>00112 <span class="keywordflow">if</span> ( e )
132
<a name="l00113"></a>00113 <span class="keyword">delete</span> e;
133
<a name="l00114"></a>00114
134
<a name="l00115"></a>00115 d_map.remove(format);
135
<a name="l00116"></a>00116 }
136
<a name="l00117"></a>00117
137
<a name="l00118"></a>00118 <span class="keywordflow">if</span> ( engine != NULL )
138
<a name="l00119"></a>00119 d_map.insert(format, engine);
139
<a name="l00120"></a>00120 }
140
<a name="l00121"></a>00121
141
<a name="l00122"></a>00122 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *QwtTextEngineDict::textEngine(
142
<a name="l00123"></a>00123 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)<span class="keyword"> const</span>
143
<a name="l00124"></a>00124 <span class="keyword"></span>{
144
<a name="l00125"></a>00125 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *e = NULL;
145
<a name="l00126"></a>00126
146
<a name="l00127"></a>00127 EngineMap::const_iterator it = d_map.find(format);
147
<a name="l00128"></a>00128 <span class="keywordflow">if</span> ( it != d_map.end() )
148
<a name="l00129"></a>00129 e = engine(it);
149
<a name="l00130"></a>00130
150
<a name="l00131"></a>00131 <span class="keywordflow">return</span> e;
151
<a name="l00132"></a>00132 }
152
<a name="l00133"></a>00133
153
<a name="l00134"></a>00134 <span class="keyword">static</span> QwtTextEngineDict *engineDict = NULL;
154
<a name="l00135"></a>00135
155
<a name="l00136"></a>00136 <span class="keyword">class </span>QwtText::PrivateData
156
<a name="l00137"></a>00137 {
157
<a name="l00138"></a>00138 <span class="keyword">public</span>:
158
<a name="l00139"></a>00139 PrivateData():
159
<a name="l00140"></a>00140 <a class="code" href="class_qwt_text.html#4284800d239934818c1951381ff52d05">renderFlags</a>(Qt::AlignCenter),
160
<a name="l00141"></a>00141 <a class="code" href="class_qwt_text.html#03b752567153cda315e073d7d9dbfebd">backgroundPen</a>(Qt::NoPen),
161
<a name="l00142"></a>00142 <a class="code" href="class_qwt_text.html#0f23d507c59b16d81b96ecf1e79131a8">backgroundBrush</a>(Qt::NoBrush),
162
<a name="l00143"></a>00143 paintAttributes(0),
163
<a name="l00144"></a>00144 layoutAttributes(0),
164
<a name="l00145"></a>00145 <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(NULL)
165
<a name="l00146"></a>00146 {
166
<a name="l00147"></a>00147 }
167
<a name="l00148"></a>00148
168
<a name="l00149"></a>00149 <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#4284800d239934818c1951381ff52d05">renderFlags</a>;
169
<a name="l00150"></a>00150 QString text;
170
<a name="l00151"></a>00151 QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>;
171
<a name="l00152"></a>00152 QColor <a class="code" href="class_qwt_text.html#731bc1eca7825f55f3026f840c0fa42f">color</a>;
172
<a name="l00153"></a>00153 QPen <a class="code" href="class_qwt_text.html#03b752567153cda315e073d7d9dbfebd">backgroundPen</a>;
173
<a name="l00154"></a>00154 QBrush <a class="code" href="class_qwt_text.html#0f23d507c59b16d81b96ecf1e79131a8">backgroundBrush</a>;
174
<a name="l00155"></a>00155
175
<a name="l00156"></a>00156 <span class="keywordtype">int</span> paintAttributes;
176
<a name="l00157"></a>00157 <span class="keywordtype">int</span> layoutAttributes;
177
<a name="l00158"></a>00158
178
<a name="l00159"></a>00159 <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *<a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>;
179
<a name="l00160"></a>00160 };
180
<a name="l00161"></a>00161
181
<a name="l00162"></a>00162 <span class="keyword">class </span>QwtText::LayoutCache
182
<a name="l00163"></a>00163 {
183
<a name="l00164"></a>00164 <span class="keyword">public</span>:
184
<a name="l00165"></a>00165 <span class="keywordtype">void</span> invalidate()
185
<a name="l00166"></a>00166 {
186
<a name="l00167"></a>00167 <a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">textSize</a> = QSize();
187
<a name="l00168"></a>00168 }
188
<a name="l00169"></a>00169
189
<a name="l00170"></a>00170 QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>;
190
<a name="l00171"></a>00171 QSize <a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">textSize</a>;
191
<a name="l00172"></a>00172 };
192
<a name="l00173"></a>00173
193
<a name="l00180"></a><a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">00180</a> <a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">QwtText::QwtText</a>(<span class="keyword">const</span> QString &text, <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> textFormat)
194
<a name="l00181"></a>00181 {
195
<a name="l00182"></a>00182 d_data = <span class="keyword">new</span> PrivateData;
196
<a name="l00183"></a>00183 d_data->text = text;
197
<a name="l00184"></a>00184 d_data->textEngine = <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(text, textFormat);
198
<a name="l00185"></a>00185
199
<a name="l00186"></a>00186 d_layoutCache = <span class="keyword">new</span> LayoutCache;
200
<a name="l00187"></a>00187 }
201
<a name="l00188"></a>00188
202
<a name="l00190"></a><a class="code" href="class_qwt_text.html#f88b42733c420574fa76b2d58b965313">00190</a> <a class="code" href="class_qwt_text.html#91439964ad1150c136dcaa113a648ecf">QwtText::QwtText</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &other)
203
<a name="l00191"></a>00191 {
204
<a name="l00192"></a>00192 d_data = <span class="keyword">new</span> PrivateData;
205
<a name="l00193"></a>00193 *d_data = *other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>;
206
<a name="l00194"></a>00194
207
<a name="l00195"></a>00195 d_layoutCache = <span class="keyword">new</span> LayoutCache;
208
<a name="l00196"></a>00196 *d_layoutCache = *other.<a class="code" href="class_qwt_text.html#95346ab7efbb7db468a00abc31af9793">d_layoutCache</a>;
209
<a name="l00197"></a>00197 }
210
<a name="l00198"></a>00198
211
<a name="l00200"></a><a class="code" href="class_qwt_text.html#ba243ac11b91979ad3f2ee7d3c700195">00200</a> <a class="code" href="class_qwt_text.html#ba243ac11b91979ad3f2ee7d3c700195">QwtText::~QwtText</a>()
212
<a name="l00201"></a>00201 {
213
<a name="l00202"></a>00202 <span class="keyword">delete</span> d_data;
214
<a name="l00203"></a>00203 <span class="keyword">delete</span> d_layoutCache;
215
<a name="l00204"></a>00204 }
216
<a name="l00205"></a>00205
217
<a name="l00207"></a><a class="code" href="class_qwt_text.html#d4a8678071c7e114c47a21f1f78cca37">00207</a> <a class="code" href="class_qwt_text.html">QwtText</a> &<a class="code" href="class_qwt_text.html#d4a8678071c7e114c47a21f1f78cca37">QwtText::operator=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &other)
218
<a name="l00208"></a>00208 {
219
<a name="l00209"></a>00209 *d_data = *other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>;
220
<a name="l00210"></a>00210 *d_layoutCache = *other.<a class="code" href="class_qwt_text.html#95346ab7efbb7db468a00abc31af9793">d_layoutCache</a>;
221
<a name="l00211"></a>00211 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
222
<a name="l00212"></a>00212 }
223
<a name="l00213"></a>00213
224
<a name="l00214"></a><a class="code" href="class_qwt_text.html#e4f15cf7d0f3155806f970ccd21e021e">00214</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#e4f15cf7d0f3155806f970ccd21e021e">QwtText::operator==</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &other)<span class="keyword"> const</span>
225
<a name="l00215"></a>00215 <span class="keyword"></span>{
226
<a name="l00216"></a>00216 <span class="keywordflow">return</span> d_data->renderFlags == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->renderFlags &&
227
<a name="l00217"></a>00217 d_data->text == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->text &&
228
<a name="l00218"></a>00218 d_data->font == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->font &&
229
<a name="l00219"></a>00219 d_data->color == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->color &&
230
<a name="l00220"></a>00220 d_data->backgroundPen == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->backgroundPen &&
231
<a name="l00221"></a>00221 d_data->backgroundBrush == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->backgroundBrush &&
232
<a name="l00222"></a>00222 d_data->paintAttributes == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->paintAttributes &&
233
<a name="l00223"></a>00223 d_data->textEngine == other.<a class="code" href="class_qwt_text.html#f3168a194f9cc8fbf082f10950a1fdca">d_data</a>->textEngine;
234
<a name="l00224"></a>00224 }
235
<a name="l00225"></a>00225
236
<a name="l00226"></a><a class="code" href="class_qwt_text.html#e9d9656976bd90f771de47edb2ee6322">00226</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#e9d9656976bd90f771de47edb2ee6322">QwtText::operator!=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_text.html">QwtText</a> &other) <span class="keyword">const</span> <span class="comment">// invalidate</span>
237
<a name="l00227"></a>00227 {
238
<a name="l00228"></a>00228 <span class="keywordflow">return</span> !(other == *<span class="keyword">this</span>);
239
<a name="l00229"></a>00229 }
240
<a name="l00230"></a>00230
241
<a name="l00237"></a><a class="code" href="class_qwt_text.html#9ba9caa82fcfbc4bfbf8ce20ccea981e">00237</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#9ba9caa82fcfbc4bfbf8ce20ccea981e">QwtText::setText</a>(<span class="keyword">const</span> QString &text,
242
<a name="l00238"></a>00238 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> textFormat)
243
<a name="l00239"></a>00239 {
244
<a name="l00240"></a>00240 d_data->text = text;
245
<a name="l00241"></a>00241 d_data->textEngine = <a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">textEngine</a>(text, textFormat);
246
<a name="l00242"></a>00242 d_layoutCache->invalidate();
247
<a name="l00243"></a>00243 }
248
<a name="l00244"></a>00244
249
<a name="l00249"></a><a class="code" href="class_qwt_text.html#d94fd632f61b1e5d9f68ce65c445982e">00249</a> QString <a class="code" href="class_qwt_text.html#d94fd632f61b1e5d9f68ce65c445982e">QwtText::text</a>()<span class="keyword"> const </span>
250
<a name="l00250"></a>00250 <span class="keyword"></span>{
251
<a name="l00251"></a>00251 <span class="keywordflow">return</span> d_data->text;
252
<a name="l00252"></a>00252 }
253
<a name="l00253"></a>00253
254
<a name="l00264"></a><a class="code" href="class_qwt_text.html#2e71d427de766455323794f27d369a5d">00264</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#2e71d427de766455323794f27d369a5d">QwtText::setRenderFlags</a>(<span class="keywordtype">int</span> renderFlags)
255
<a name="l00265"></a>00265 {
256
<a name="l00266"></a>00266 <span class="keywordflow">if</span> ( renderFlags != d_data->renderFlags )
257
<a name="l00267"></a>00267 {
258
<a name="l00268"></a>00268 d_data->renderFlags = renderFlags;
259
<a name="l00269"></a>00269 d_layoutCache->invalidate();
260
<a name="l00270"></a>00270 }
261
<a name="l00271"></a>00271 }
262
<a name="l00272"></a>00272
263
<a name="l00277"></a><a class="code" href="class_qwt_text.html#4284800d239934818c1951381ff52d05">00277</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#4284800d239934818c1951381ff52d05">QwtText::renderFlags</a>()<span class="keyword"> const </span>
264
<a name="l00278"></a>00278 <span class="keyword"></span>{
265
<a name="l00279"></a>00279 <span class="keywordflow">return</span> d_data->renderFlags;
266
<a name="l00280"></a>00280 }
267
<a name="l00281"></a>00281
268
<a name="l00289"></a><a class="code" href="class_qwt_text.html#d071f3c4fae4512a1cc71554d95eb69a">00289</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#d071f3c4fae4512a1cc71554d95eb69a">QwtText::setFont</a>(<span class="keyword">const</span> QFont &font)
269
<a name="l00290"></a>00290 {
270
<a name="l00291"></a>00291 d_data->font = font;
271
<a name="l00292"></a>00292 <a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">setPaintAttribute</a>(PaintUsingTextFont);
272
<a name="l00293"></a>00293 }
273
<a name="l00294"></a>00294
274
<a name="l00296"></a><a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">00296</a> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">QwtText::font</a>()<span class="keyword"> const </span>
275
<a name="l00297"></a>00297 <span class="keyword"></span>{
276
<a name="l00298"></a>00298 <span class="keywordflow">return</span> d_data->font;
277
<a name="l00299"></a>00299 }
278
<a name="l00300"></a>00300
279
<a name="l00308"></a><a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">00308</a> QFont <a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">QwtText::usedFont</a>(<span class="keyword">const</span> QFont &defaultFont)<span class="keyword"> const</span>
280
<a name="l00309"></a>00309 <span class="keyword"></span>{
281
<a name="l00310"></a>00310 <span class="keywordflow">if</span> ( d_data->paintAttributes & PaintUsingTextFont )
282
<a name="l00311"></a>00311 <span class="keywordflow">return</span> d_data->font;
283
<a name="l00312"></a>00312
284
<a name="l00313"></a>00313 <span class="keywordflow">return</span> defaultFont;
285
<a name="l00314"></a>00314 }
286
<a name="l00315"></a>00315
287
<a name="l00323"></a><a class="code" href="class_qwt_text.html#c7de5839a5c3b1ee367cfbd5691aa105">00323</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#c7de5839a5c3b1ee367cfbd5691aa105">QwtText::setColor</a>(<span class="keyword">const</span> QColor &color)
288
<a name="l00324"></a>00324 {
289
<a name="l00325"></a>00325 d_data->color = color;
290
<a name="l00326"></a>00326 <a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">setPaintAttribute</a>(PaintUsingTextColor);
291
<a name="l00327"></a>00327 }
292
<a name="l00328"></a>00328
293
<a name="l00330"></a><a class="code" href="class_qwt_text.html#731bc1eca7825f55f3026f840c0fa42f">00330</a> QColor <a class="code" href="class_qwt_text.html#731bc1eca7825f55f3026f840c0fa42f">QwtText::color</a>()<span class="keyword"> const </span>
294
<a name="l00331"></a>00331 <span class="keyword"></span>{
295
<a name="l00332"></a>00332 <span class="keywordflow">return</span> d_data->color;
296
<a name="l00333"></a>00333 }
297
<a name="l00334"></a>00334
298
<a name="l00342"></a><a class="code" href="class_qwt_text.html#19bc6e3baa215dccab7993cd211ed975">00342</a> QColor <a class="code" href="class_qwt_text.html#19bc6e3baa215dccab7993cd211ed975">QwtText::usedColor</a>(<span class="keyword">const</span> QColor &defaultColor)<span class="keyword"> const</span>
299
<a name="l00343"></a>00343 <span class="keyword"></span>{
300
<a name="l00344"></a>00344 <span class="keywordflow">if</span> ( d_data->paintAttributes & PaintUsingTextColor )
301
<a name="l00345"></a>00345 <span class="keywordflow">return</span> d_data->color;
302
<a name="l00346"></a>00346
303
<a name="l00347"></a>00347 <span class="keywordflow">return</span> defaultColor;
304
<a name="l00348"></a>00348 }
305
<a name="l00349"></a>00349
306
<a name="l00356"></a><a class="code" href="class_qwt_text.html#6532e0c5cdcfc16cd007427f3ddf60fb">00356</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#6532e0c5cdcfc16cd007427f3ddf60fb">QwtText::setBackgroundPen</a>(<span class="keyword">const</span> QPen &pen)
307
<a name="l00357"></a>00357 {
308
<a name="l00358"></a>00358 d_data->backgroundPen = pen;
309
<a name="l00359"></a>00359 <a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">setPaintAttribute</a>(PaintBackground);
310
<a name="l00360"></a>00360 }
311
<a name="l00361"></a>00361
312
<a name="l00366"></a><a class="code" href="class_qwt_text.html#03b752567153cda315e073d7d9dbfebd">00366</a> QPen <a class="code" href="class_qwt_text.html#03b752567153cda315e073d7d9dbfebd">QwtText::backgroundPen</a>()<span class="keyword"> const </span>
313
<a name="l00367"></a>00367 <span class="keyword"></span>{
314
<a name="l00368"></a>00368 <span class="keywordflow">return</span> d_data->backgroundPen;
315
<a name="l00369"></a>00369 }
316
<a name="l00370"></a>00370
317
<a name="l00377"></a><a class="code" href="class_qwt_text.html#f016a747b234aede9f0cbbeb06ed2802">00377</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#f016a747b234aede9f0cbbeb06ed2802">QwtText::setBackgroundBrush</a>(<span class="keyword">const</span> QBrush &brush)
318
<a name="l00378"></a>00378 {
319
<a name="l00379"></a>00379 d_data->backgroundBrush = brush;
320
<a name="l00380"></a>00380 <a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">setPaintAttribute</a>(PaintBackground);
321
<a name="l00381"></a>00381 }
322
<a name="l00382"></a>00382
323
<a name="l00387"></a><a class="code" href="class_qwt_text.html#0f23d507c59b16d81b96ecf1e79131a8">00387</a> QBrush <a class="code" href="class_qwt_text.html#0f23d507c59b16d81b96ecf1e79131a8">QwtText::backgroundBrush</a>()<span class="keyword"> const </span>
324
<a name="l00388"></a>00388 <span class="keyword"></span>{
325
<a name="l00389"></a>00389 <span class="keywordflow">return</span> d_data->backgroundBrush;
326
<a name="l00390"></a>00390 }
327
<a name="l00391"></a>00391
328
<a name="l00401"></a><a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">00401</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#ac80e3f05137173059b196206ceea9e8">QwtText::setPaintAttribute</a>(<a class="code" href="class_qwt_text.html#9739e47ea489e690f121e4b1d27ae24e">PaintAttribute</a> attribute, <span class="keywordtype">bool</span> on)
329
<a name="l00402"></a>00402 {
330
<a name="l00403"></a>00403 <span class="keywordflow">if</span> ( on )
331
<a name="l00404"></a>00404 d_data->paintAttributes |= attribute;
332
<a name="l00405"></a>00405 <span class="keywordflow">else</span>
333
<a name="l00406"></a>00406 d_data->paintAttributes &= ~attribute;
334
<a name="l00407"></a>00407 }
335
<a name="l00408"></a>00408
336
<a name="l00417"></a><a class="code" href="class_qwt_text.html#390f10d5fccfb7070fe0c1ace8fdd0ce">00417</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text.html#390f10d5fccfb7070fe0c1ace8fdd0ce">QwtText::testPaintAttribute</a>(<a class="code" href="class_qwt_text.html#9739e47ea489e690f121e4b1d27ae24e">PaintAttribute</a> attribute)<span class="keyword"> const</span>
337
<a name="l00418"></a>00418 <span class="keyword"></span>{
338
<a name="l00419"></a>00419 <span class="keywordflow">return</span> d_data->paintAttributes & attribute;
339
<a name="l00420"></a>00420 }
340
<a name="l00421"></a>00421
341
<a name="l00429"></a><a class="code" href="class_qwt_text.html#2b621d3104ead2185d2d939b1f5b9d68">00429</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#2b621d3104ead2185d2d939b1f5b9d68">QwtText::setLayoutAttribute</a>(<a class="code" href="class_qwt_text.html#0953aabc098f410dba89bbada47f2e5a">LayoutAttribute</a> attribute, <span class="keywordtype">bool</span> on)
342
<a name="l00430"></a>00430 {
343
<a name="l00431"></a>00431 <span class="keywordflow">if</span> ( on )
344
<a name="l00432"></a>00432 d_data->layoutAttributes |= attribute;
345
<a name="l00433"></a>00433 <span class="keywordflow">else</span>
346
<a name="l00434"></a>00434 d_data->layoutAttributes &= ~attribute;
347
<a name="l00435"></a>00435 }
348
<a name="l00436"></a>00436
349
<a name="l00445"></a><a class="code" href="class_qwt_text.html#d6b2a300b29b5f0ee90289e962c68f39">00445</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_text.html#d6b2a300b29b5f0ee90289e962c68f39">QwtText::testLayoutAttribute</a>(<a class="code" href="class_qwt_text.html#0953aabc098f410dba89bbada47f2e5a">LayoutAttribute</a> attribute)<span class="keyword"> const</span>
350
<a name="l00446"></a>00446 <span class="keyword"></span>{
351
<a name="l00447"></a>00447 <span class="keywordflow">return</span> d_data->layoutAttributes | attribute;
352
<a name="l00448"></a>00448 }
353
<a name="l00449"></a>00449
354
<a name="l00458"></a><a class="code" href="class_qwt_text.html#666fcd19e191fd1c8fc842854e8f8e86">00458</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_text.html#666fcd19e191fd1c8fc842854e8f8e86">QwtText::heightForWidth</a>(<span class="keywordtype">int</span> width, <span class="keyword">const</span> QFont &defaultFont)<span class="keyword"> const</span>
355
<a name="l00459"></a>00459 <span class="keyword"></span>{
356
<a name="l00460"></a>00460 <span class="keyword">const</span> <a class="code" href="class_qwt_metrics_map.html">QwtMetricsMap</a> map = <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>();
357
<a name="l00461"></a>00461 width = map.<a class="code" href="class_qwt_metrics_map.html#64c0e33e4904e968388d1c2c909f362b">layoutToScreenX</a>(width);
358
<a name="l00462"></a>00462
359
<a name="l00463"></a>00463 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
360
<a name="l00464"></a>00464 <span class="preprocessor"></span> <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a> = <a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">usedFont</a>(defaultFont);
361
<a name="l00465"></a>00465 <span class="preprocessor">#else</span>
362
<a name="l00466"></a>00466 <span class="preprocessor"></span> <span class="comment">// We want to calculate in screen metrics. So</span>
363
<a name="l00467"></a>00467 <span class="comment">// we need a font that uses screen metrics</span>
364
<a name="l00468"></a>00468
365
<a name="l00469"></a>00469 <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>(<a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">usedFont</a>(defaultFont), QApplication::desktop());
366
<a name="l00470"></a>00470 <span class="preprocessor">#endif</span>
367
<a name="l00471"></a>00471 <span class="preprocessor"></span>
368
<a name="l00472"></a>00472 <span class="keywordtype">int</span> h = 0;
369
<a name="l00473"></a>00473
370
<a name="l00474"></a>00474 <span class="keywordflow">if</span> ( d_data->layoutAttributes & MinimumLayout )
371
<a name="l00475"></a>00475 {
372
<a name="l00476"></a>00476 <span class="keywordtype">int</span> left, right, top, bottom;
373
<a name="l00477"></a>00477 d_data->textEngine->textMargins(font, d_data->text,
374
<a name="l00478"></a>00478 left, right, top, bottom);
375
<a name="l00479"></a>00479
376
<a name="l00480"></a>00480 h = d_data->textEngine->heightForWidth(
377
<a name="l00481"></a>00481 font, d_data->renderFlags, d_data->text,
378
<a name="l00482"></a>00482 width + left + right);
379
<a name="l00483"></a>00483
380
<a name="l00484"></a>00484 h -= top + bottom;
381
<a name="l00485"></a>00485 }
382
<a name="l00486"></a>00486 <span class="keywordflow">else</span>
383
<a name="l00487"></a>00487 {
384
<a name="l00488"></a>00488 h = d_data->textEngine->heightForWidth(
385
<a name="l00489"></a>00489 font, d_data->renderFlags, d_data->text, width);
386
<a name="l00490"></a>00490 }
387
<a name="l00491"></a>00491
388
<a name="l00492"></a>00492 h = map.<a class="code" href="class_qwt_metrics_map.html#c6725a1a71c48bdc40844ad526ef8833">screenToLayoutY</a>(h);
389
<a name="l00493"></a>00493 <span class="keywordflow">return</span> h;
390
<a name="l00494"></a>00494 }
391
<a name="l00495"></a>00495
392
<a name="l00510"></a><a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">00510</a> QSize <a class="code" href="class_qwt_text.html#c8d26df733ce1b392eb6a9444468c480">QwtText::textSize</a>(<span class="keyword">const</span> QFont &defaultFont)<span class="keyword"> const</span>
393
<a name="l00511"></a>00511 <span class="keyword"></span>{
394
<a name="l00512"></a>00512 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
395
<a name="l00513"></a>00513 <span class="preprocessor"></span> <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>(<a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">usedFont</a>(defaultFont));
396
<a name="l00514"></a>00514 <span class="preprocessor">#else</span>
397
<a name="l00515"></a>00515 <span class="preprocessor"></span> <span class="comment">// We want to calculate in screen metrics. So</span>
398
<a name="l00516"></a>00516 <span class="comment">// we need a font that uses screen metrics</span>
399
<a name="l00517"></a>00517
400
<a name="l00518"></a>00518 <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>(<a class="code" href="class_qwt_text.html#9769ab68a4fe26025c4172a14092f792">usedFont</a>(defaultFont), QApplication::desktop());
401
<a name="l00519"></a>00519 <span class="preprocessor">#endif</span>
402
<a name="l00520"></a>00520 <span class="preprocessor"></span>
403
<a name="l00521"></a>00521 <span class="keywordflow">if</span> ( !d_layoutCache->textSize.isValid()
404
<a name="l00522"></a>00522 || d_layoutCache->font != font )
405
<a name="l00523"></a>00523 {
406
<a name="l00524"></a>00524 d_layoutCache->textSize = d_data->textEngine->textSize(
407
<a name="l00525"></a>00525 font, d_data->renderFlags, d_data->text);
408
<a name="l00526"></a>00526 d_layoutCache->font = font;
409
<a name="l00527"></a>00527 }
410
<a name="l00528"></a>00528
411
<a name="l00529"></a>00529 QSize sz = d_layoutCache->textSize;
412
<a name="l00530"></a>00530
413
<a name="l00531"></a>00531 <span class="keyword">const</span> <a class="code" href="class_qwt_metrics_map.html">QwtMetricsMap</a> map = <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>();
414
<a name="l00532"></a>00532
415
<a name="l00533"></a>00533 <span class="keywordflow">if</span> ( d_data->layoutAttributes & MinimumLayout )
416
<a name="l00534"></a>00534 {
417
<a name="l00535"></a>00535 <span class="keywordtype">int</span> left, right, top, bottom;
418
<a name="l00536"></a>00536 d_data->textEngine->textMargins(font, d_data->text,
419
<a name="l00537"></a>00537 left, right, top, bottom);
420
<a name="l00538"></a>00538 sz -= QSize(left + right, top + bottom);
421
<a name="l00539"></a>00539 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
422
<a name="l00540"></a>00540 <span class="preprocessor"></span> <span class="keywordflow">if</span> ( !map.<a class="code" href="class_qwt_metrics_map.html#ed458d83b2d59f6f64e0a6d29a290275">isIdentity</a>() )
423
<a name="l00541"></a>00541 {
424
<a name="l00542"></a>00542 #ifdef __GNUC__
425
<a name="l00543"></a>00543 #endif
426
<a name="l00544"></a>00544 <span class="comment">/*</span>
427
<a name="l00545"></a>00545 <span class="comment"> When printing in high resolution, the tick labels</span>
428
<a name="l00546"></a>00546 <span class="comment"> of are cut of. We need to find out why, but for</span>
429
<a name="l00547"></a>00547 <span class="comment"> the moment we add a couple of pixels instead.</span>
430
<a name="l00548"></a>00548 <span class="comment"> */</span>
431
<a name="l00549"></a>00549 sz += QSize(3, 0);
432
<a name="l00550"></a>00550 }
433
<a name="l00551"></a>00551 <span class="preprocessor">#endif</span>
434
<a name="l00552"></a>00552 <span class="preprocessor"></span> }
435
<a name="l00553"></a>00553
436
<a name="l00554"></a>00554 sz = map.<a class="code" href="class_qwt_metrics_map.html#b201003ff9f1ecebfb6403be5f98a57c">screenToLayout</a>(sz);
437
<a name="l00555"></a>00555 <span class="keywordflow">return</span> sz;
438
<a name="l00556"></a>00556 }
439
<a name="l00557"></a>00557
440
<a name="l00564"></a><a class="code" href="class_qwt_text.html#f3109303b3e0fea0ee21879666c3c870">00564</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#f3109303b3e0fea0ee21879666c3c870">QwtText::draw</a>(QPainter *painter, <span class="keyword">const</span> QRect &rect)<span class="keyword"> const</span>
441
<a name="l00565"></a>00565 <span class="keyword"></span>{
442
<a name="l00566"></a>00566 <span class="keywordflow">if</span> ( d_data->paintAttributes & PaintBackground )
443
<a name="l00567"></a>00567 {
444
<a name="l00568"></a>00568 <span class="keywordflow">if</span> ( d_data->backgroundPen != Qt::NoPen ||
445
<a name="l00569"></a>00569 d_data->backgroundBrush != Qt::NoBrush )
446
<a name="l00570"></a>00570 {
447
<a name="l00571"></a>00571 painter->save();
448
<a name="l00572"></a>00572 painter->setPen(d_data->backgroundPen);
449
<a name="l00573"></a>00573 painter->setBrush(d_data->backgroundBrush);
450
<a name="l00574"></a>00574 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
451
<a name="l00575"></a>00575 <span class="preprocessor"></span> <a class="code" href="class_qwt_painter.html#9d606b6a681b9e1d0e0823c8a169ac7e">QwtPainter::drawRect</a>(painter, rect);
452
<a name="l00576"></a>00576 <span class="preprocessor">#else</span>
453
<a name="l00577"></a>00577 <span class="preprocessor"></span> <span class="keyword">const</span> QRect r(rect.x(), rect.y(),
454
<a name="l00578"></a>00578 rect.width() - 1, rect.height() - 1);
455
<a name="l00579"></a>00579 <a class="code" href="class_qwt_painter.html#9d606b6a681b9e1d0e0823c8a169ac7e">QwtPainter::drawRect</a>(painter, r);
456
<a name="l00580"></a>00580 <span class="preprocessor">#endif</span>
457
<a name="l00581"></a>00581 <span class="preprocessor"></span> painter->restore();
458
<a name="l00582"></a>00582 }
459
<a name="l00583"></a>00583 }
460
<a name="l00584"></a>00584
461
<a name="l00585"></a>00585 painter->save();
462
<a name="l00586"></a>00586
463
<a name="l00587"></a>00587 <span class="keywordflow">if</span> ( d_data->paintAttributes & PaintUsingTextFont )
464
<a name="l00588"></a>00588 {
465
<a name="l00589"></a>00589 painter->setFont(d_data->font);
466
<a name="l00590"></a>00590 }
467
<a name="l00591"></a>00591
468
<a name="l00592"></a>00592 <span class="keywordflow">if</span> ( d_data->paintAttributes & PaintUsingTextColor )
469
<a name="l00593"></a>00593 {
470
<a name="l00594"></a>00594 <span class="keywordflow">if</span> ( d_data->color.isValid() )
471
<a name="l00595"></a>00595 painter->setPen(d_data->color);
472
<a name="l00596"></a>00596 }
473
<a name="l00597"></a>00597
474
<a name="l00598"></a>00598 QRect expandedRect = rect;
475
<a name="l00599"></a>00599 <span class="keywordflow">if</span> ( d_data->layoutAttributes & MinimumLayout )
476
<a name="l00600"></a>00600 {
477
<a name="l00601"></a>00601 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
478
<a name="l00602"></a>00602 <span class="preprocessor"></span> <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>(painter->font());
479
<a name="l00603"></a>00603 <span class="preprocessor">#else</span>
480
<a name="l00604"></a>00604 <span class="preprocessor"></span> <span class="comment">// We want to calculate in screen metrics. So</span>
481
<a name="l00605"></a>00605 <span class="comment">// we need a font that uses screen metrics</span>
482
<a name="l00606"></a>00606
483
<a name="l00607"></a>00607 <span class="keyword">const</span> QFont <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>(painter->font(), QApplication::desktop());
484
<a name="l00608"></a>00608 <span class="preprocessor">#endif</span>
485
<a name="l00609"></a>00609 <span class="preprocessor"></span>
486
<a name="l00610"></a>00610 <span class="keywordtype">int</span> left, right, top, bottom;
487
<a name="l00611"></a>00611 d_data->textEngine->textMargins(
488
<a name="l00612"></a>00612 <a class="code" href="class_qwt_text.html#67039ac189d3a9683801851ac70e87a6">font</a>, d_data->text,
489
<a name="l00613"></a>00613 left, right, top, bottom);
490
<a name="l00614"></a>00614
491
<a name="l00615"></a>00615 <span class="keyword">const</span> <a class="code" href="class_qwt_metrics_map.html">QwtMetricsMap</a> map = <a class="code" href="class_qwt_painter.html#3de95bfc83c9beee537404b41749bad5">QwtPainter::metricsMap</a>();
492
<a name="l00616"></a>00616 left = map.<a class="code" href="class_qwt_metrics_map.html#201cdd547c8572a45571e587e7e0d121">screenToLayoutX</a>(left);
493
<a name="l00617"></a>00617 right = map.<a class="code" href="class_qwt_metrics_map.html#201cdd547c8572a45571e587e7e0d121">screenToLayoutX</a>(right);
494
<a name="l00618"></a>00618 top = map.<a class="code" href="class_qwt_metrics_map.html#c6725a1a71c48bdc40844ad526ef8833">screenToLayoutY</a>(top);
495
<a name="l00619"></a>00619 bottom = map.<a class="code" href="class_qwt_metrics_map.html#c6725a1a71c48bdc40844ad526ef8833">screenToLayoutY</a>(bottom);
496
<a name="l00620"></a>00620
497
<a name="l00621"></a>00621 expandedRect.setTop(rect.top() - top);
498
<a name="l00622"></a>00622 expandedRect.setBottom(rect.bottom() + bottom);
499
<a name="l00623"></a>00623 expandedRect.setLeft(rect.left() - left);
500
<a name="l00624"></a>00624 expandedRect.setRight(rect.right() + right);
501
<a name="l00625"></a>00625 }
502
<a name="l00626"></a>00626
503
<a name="l00627"></a>00627 d_data->textEngine->draw(painter, expandedRect,
504
<a name="l00628"></a>00628 d_data->renderFlags, d_data->text);
505
<a name="l00629"></a>00629
506
<a name="l00630"></a>00630 painter->restore();
507
<a name="l00631"></a>00631 }
508
<a name="l00632"></a>00632
509
<a name="l00646"></a><a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">00646</a> <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *<a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">QwtText::textEngine</a>(<span class="keyword">const</span> QString &text,
510
<a name="l00647"></a>00647 <a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)
511
<a name="l00648"></a>00648 {
512
<a name="l00649"></a>00649 <span class="keywordflow">if</span> ( engineDict == NULL )
513
<a name="l00650"></a>00650 {
514
<a name="l00651"></a>00651 <span class="comment">/*</span>
515
<a name="l00652"></a>00652 <span class="comment"> Note: engineDict is allocated, the first time it is used, </span>
516
<a name="l00653"></a>00653 <span class="comment"> but never deleted, because there is no known last access time.</span>
517
<a name="l00654"></a>00654 <span class="comment"> So don't be irritated, if it is reported as a memory leak</span>
518
<a name="l00655"></a>00655 <span class="comment"> from your memory profiler.</span>
519
<a name="l00656"></a>00656 <span class="comment"> */</span>
520
<a name="l00657"></a>00657 engineDict = <span class="keyword">new</span> QwtTextEngineDict();
521
<a name="l00658"></a>00658 }
522
<a name="l00659"></a>00659
523
<a name="l00660"></a>00660 <span class="keywordflow">return</span> engineDict->textEngine(text, format);
524
<a name="l00661"></a>00661 }
525
<a name="l00662"></a>00662
526
<a name="l00681"></a><a class="code" href="class_qwt_text.html#ef6a1e71b1feba3116ce69f6c9de70ad">00681</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_text.html#ef6a1e71b1feba3116ce69f6c9de70ad">QwtText::setTextEngine</a>(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format,
527
<a name="l00682"></a>00682 <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *engine)
528
<a name="l00683"></a>00683 {
529
<a name="l00684"></a>00684 <span class="keywordflow">if</span> ( engineDict == NULL )
530
<a name="l00685"></a>00685 engineDict = <span class="keyword">new</span> QwtTextEngineDict();
531
<a name="l00686"></a>00686
532
<a name="l00687"></a>00687 engineDict->setTextEngine(format, engine);
533
<a name="l00688"></a>00688 }
534
<a name="l00689"></a>00689
535
<a name="l00701"></a><a class="code" href="class_qwt_text.html#2828c4976bd30572d236811bc30037be">00701</a> <span class="keyword">const</span> <a class="code" href="class_qwt_text_engine.html">QwtTextEngine</a> *<a class="code" href="class_qwt_text.html#053d8fdb4de77bd3b6f2eb0ecd3980ca">QwtText::textEngine</a>(<a class="code" href="class_qwt_text.html#63e0d6a59a427a37ed0bfa71b782fd76">QwtText::TextFormat</a> format)
536
<a name="l00702"></a>00702 {
537
<a name="l00703"></a>00703 <span class="keywordflow">if</span> ( engineDict == NULL )
538
<a name="l00704"></a>00704 engineDict = <span class="keyword">new</span> QwtTextEngineDict();
539
<a name="l00705"></a>00705
540
<a name="l00706"></a>00706 <span class="keywordflow">return</span> engineDict->textEngine(format);
541
<a name="l00707"></a>00707 }
542
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu May 1 15:44:09 2008 for Qwt User's Guide by
543
<a href="http://www.doxygen.org/index.html">
544
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
added
removed
qwt-5.1.0/doc/html/qwt__text_8cpp-source.html
