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<h1>qwt_double_rect.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
16
<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
17
<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
18
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
19
<a name="l00005"></a>00005 <span class="comment"> *</span>
20
<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
21
<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
22
<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
23
<a name="l00009"></a>00009
24
<a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_DOUBLE_RECT_H</span>
25
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_DOUBLE_RECT_H 1</span>
26
<a name="l00012"></a>00012 <span class="preprocessor"></span>
27
<a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span>
28
<a name="l00014"></a>00014 <span class="preprocessor">#include "qwt_array.h"</span>
29
<a name="l00015"></a>00015
30
<a name="l00016"></a>00016 <span class="preprocessor">#if QT_VERSION >= 0x040000</span>
31
<a name="l00017"></a>00017 <span class="preprocessor"></span>
32
<a name="l00018"></a>00018 <span class="preprocessor">#include <QPointF></span>
33
<a name="l00019"></a>00019 <span class="preprocessor">#include <QSizeF></span>
34
<a name="l00020"></a>00020 <span class="preprocessor">#include <QRectF></span>
35
<a name="l00021"></a>00021
36
<a name="l00022"></a>00022 <span class="keyword">typedef</span> QPointF QwtDoublePoint;
37
<a name="l00023"></a>00023 <span class="keyword">typedef</span> QSizeF QwtDoubleSize;
38
<a name="l00024"></a>00024 <span class="keyword">typedef</span> QRectF QwtDoubleRect;
39
<a name="l00025"></a>00025
40
<a name="l00026"></a>00026 <span class="preprocessor">#else</span>
41
<a name="l00027"></a>00027 <span class="preprocessor"></span>
42
<a name="l00028"></a>00028 <span class="preprocessor">#include <qpoint.h></span>
43
<a name="l00029"></a>00029 <span class="preprocessor">#include <qsize.h></span>
44
<a name="l00030"></a>00030 <span class="preprocessor">#include <qrect.h></span>
45
<a name="l00031"></a>00031
46
<a name="l00036"></a>00036 <span class="keyword">class </span>QWT_EXPORT QwtDoublePoint
47
<a name="l00037"></a>00037 {
48
<a name="l00038"></a>00038 <span class="keyword">public</span>:
49
<a name="l00039"></a>00039 QwtDoublePoint();
50
<a name="l00040"></a>00040 QwtDoublePoint(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y);
51
<a name="l00041"></a>00041 QwtDoublePoint(<span class="keyword">const</span> QPoint &);
52
<a name="l00042"></a>00042
53
<a name="l00043"></a>00043 QPoint toPoint() <span class="keyword">const</span>;
54
<a name="l00044"></a>00044
55
<a name="l00045"></a>00045 <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;
56
<a name="l00046"></a>00046
57
<a name="l00047"></a>00047 <span class="keywordtype">double</span> x() <span class="keyword">const</span>;
58
<a name="l00048"></a>00048 <span class="keywordtype">double</span> y() <span class="keyword">const</span>;
59
<a name="l00049"></a>00049
60
<a name="l00050"></a>00050 <span class="keywordtype">double</span> &rx();
61
<a name="l00051"></a>00051 <span class="keywordtype">double</span> &ry();
62
<a name="l00052"></a>00052
63
<a name="l00053"></a>00053 <span class="keywordtype">void</span> setX(<span class="keywordtype">double</span> x);
64
<a name="l00054"></a>00054 <span class="keywordtype">void</span> setY(<span class="keywordtype">double</span> y);
65
<a name="l00055"></a>00055
66
<a name="l00056"></a>00056 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> QwtDoublePoint &) <span class="keyword">const</span>;
67
<a name="l00057"></a>00057 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> QwtDoublePoint &) <span class="keyword">const</span>;
68
<a name="l00058"></a>00058
69
<a name="l00059"></a>00059 <span class="keyword">const</span> QwtDoublePoint operator-() <span class="keyword">const</span>;
70
<a name="l00060"></a>00060 <span class="keyword">const</span> QwtDoublePoint operator+(<span class="keyword">const</span> QwtDoublePoint &) <span class="keyword">const</span>;
71
<a name="l00061"></a>00061 <span class="keyword">const</span> QwtDoublePoint operator-(<span class="keyword">const</span> QwtDoublePoint &) <span class="keyword">const</span>;
72
<a name="l00062"></a>00062 <span class="keyword">const</span> QwtDoublePoint operator*(<span class="keywordtype">double</span>) <span class="keyword">const</span>;
73
<a name="l00063"></a>00063 <span class="keyword">const</span> QwtDoublePoint operator/(<span class="keywordtype">double</span>) <span class="keyword">const</span>;
74
<a name="l00064"></a>00064
75
<a name="l00065"></a>00065 QwtDoublePoint &operator+=(<span class="keyword">const</span> QwtDoublePoint &);
76
<a name="l00066"></a>00066 QwtDoublePoint &operator-=(<span class="keyword">const</span> QwtDoublePoint &);
77
<a name="l00067"></a>00067 QwtDoublePoint &operator*=(<span class="keywordtype">double</span>);
78
<a name="l00068"></a>00068 QwtDoublePoint &operator/=(<span class="keywordtype">double</span>);
79
<a name="l00069"></a>00069
80
<a name="l00070"></a>00070 <span class="keyword">private</span>:
81
<a name="l00071"></a>00071 <span class="keywordtype">double</span> d_x;
82
<a name="l00072"></a>00072 <span class="keywordtype">double</span> d_y;
83
<a name="l00073"></a>00073 };
84
<a name="l00074"></a>00074
85
<a name="l00079"></a>00079 <span class="keyword">class </span>QWT_EXPORT QwtDoubleSize
86
<a name="l00080"></a>00080 {
87
<a name="l00081"></a>00081 <span class="keyword">public</span>:
88
<a name="l00082"></a>00082 QwtDoubleSize();
89
<a name="l00083"></a>00083 QwtDoubleSize(<span class="keywordtype">double</span> width, <span class="keywordtype">double</span> height);
90
<a name="l00084"></a>00084 QwtDoubleSize(<span class="keyword">const</span> QSize &);
91
<a name="l00085"></a>00085
92
<a name="l00086"></a>00086 <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;
93
<a name="l00087"></a>00087 <span class="keywordtype">bool</span> isEmpty() <span class="keyword">const</span>;
94
<a name="l00088"></a>00088 <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>;
95
<a name="l00089"></a>00089
96
<a name="l00090"></a>00090 <span class="keywordtype">double</span> width() <span class="keyword">const</span>;
97
<a name="l00091"></a>00091 <span class="keywordtype">double</span> height() <span class="keyword">const</span>;
98
<a name="l00092"></a>00092 <span class="keywordtype">void</span> setWidth( <span class="keywordtype">double</span> w );
99
<a name="l00093"></a>00093 <span class="keywordtype">void</span> setHeight( <span class="keywordtype">double</span> h );
100
<a name="l00094"></a>00094 <span class="keywordtype">void</span> transpose();
101
<a name="l00095"></a>00095
102
<a name="l00096"></a>00096 QwtDoubleSize expandedTo(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
103
<a name="l00097"></a>00097 QwtDoubleSize boundedTo(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
104
<a name="l00098"></a>00098
105
<a name="l00099"></a>00099 <span class="keywordtype">bool</span> operator==(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
106
<a name="l00100"></a>00100 <span class="keywordtype">bool</span> operator!=(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
107
<a name="l00101"></a>00101
108
<a name="l00102"></a>00102 <span class="keyword">const</span> QwtDoubleSize operator+(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
109
<a name="l00103"></a>00103 <span class="keyword">const</span> QwtDoubleSize operator-(<span class="keyword">const</span> QwtDoubleSize &) <span class="keyword">const</span>;
110
<a name="l00104"></a>00104 <span class="keyword">const</span> QwtDoubleSize operator*(<span class="keywordtype">double</span>) <span class="keyword">const</span>;
111
<a name="l00105"></a>00105 <span class="keyword">const</span> QwtDoubleSize operator/(<span class="keywordtype">double</span>) <span class="keyword">const</span>;
112
<a name="l00106"></a>00106
113
<a name="l00107"></a>00107 QwtDoubleSize &operator+=(<span class="keyword">const</span> QwtDoubleSize &);
114
<a name="l00108"></a>00108 QwtDoubleSize &operator-=(<span class="keyword">const</span> QwtDoubleSize &);
115
<a name="l00109"></a>00109 QwtDoubleSize &operator*=(<span class="keywordtype">double</span> c);
116
<a name="l00110"></a>00110 QwtDoubleSize &operator/=(<span class="keywordtype">double</span> c);
117
<a name="l00111"></a>00111
118
<a name="l00112"></a>00112 <span class="keyword">private</span>:
119
<a name="l00113"></a>00113 <span class="keywordtype">double</span> d_width;
120
<a name="l00114"></a>00114 <span class="keywordtype">double</span> d_height;
121
<a name="l00115"></a>00115 };
122
<a name="l00116"></a>00116
123
<a name="l00121"></a>00121 <span class="keyword">class </span>QWT_EXPORT QwtDoubleRect
124
<a name="l00122"></a>00122 {
125
<a name="l00123"></a>00123 <span class="keyword">public</span>:
126
<a name="l00124"></a>00124 QwtDoubleRect();
127
<a name="l00125"></a>00125 QwtDoubleRect(<span class="keywordtype">double</span> left, <span class="keywordtype">double</span> top, <span class="keywordtype">double</span> width, <span class="keywordtype">double</span> height);
128
<a name="l00126"></a>00126 QwtDoubleRect(<span class="keyword">const</span> QwtDoublePoint&, <span class="keyword">const</span> QwtDoubleSize &);
129
<a name="l00127"></a>00127
130
<a name="l00128"></a>00128 <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;
131
<a name="l00129"></a>00129 <span class="keywordtype">bool</span> isEmpty() <span class="keyword">const</span>;
132
<a name="l00130"></a>00130 <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>;
133
<a name="l00131"></a>00131
134
<a name="l00132"></a>00132 QwtDoubleRect normalized() <span class="keyword">const</span>;
135
<a name="l00133"></a>00133
136
<a name="l00134"></a>00134 <span class="keywordtype">double</span> x() <span class="keyword">const</span>;
137
<a name="l00135"></a>00135 <span class="keywordtype">double</span> y() <span class="keyword">const</span>;
138
<a name="l00136"></a>00136
139
<a name="l00137"></a>00137 <span class="keywordtype">double</span> left() <span class="keyword">const</span>;
140
<a name="l00138"></a>00138 <span class="keywordtype">double</span> right() <span class="keyword">const</span>;
141
<a name="l00139"></a>00139 <span class="keywordtype">double</span> top() <span class="keyword">const</span>;
142
<a name="l00140"></a>00140 <span class="keywordtype">double</span> bottom() <span class="keyword">const</span>;
143
<a name="l00141"></a>00141
144
<a name="l00142"></a>00142 <span class="keywordtype">void</span> setX(<span class="keywordtype">double</span>);
145
<a name="l00143"></a>00143 <span class="keywordtype">void</span> setY(<span class="keywordtype">double</span>);
146
<a name="l00144"></a>00144
147
<a name="l00145"></a>00145 <span class="keywordtype">void</span> setLeft(<span class="keywordtype">double</span>);
148
<a name="l00146"></a>00146 <span class="keywordtype">void</span> setRight(<span class="keywordtype">double</span>);
149
<a name="l00147"></a>00147 <span class="keywordtype">void</span> setTop(<span class="keywordtype">double</span>);
150
<a name="l00148"></a>00148 <span class="keywordtype">void</span> setBottom(<span class="keywordtype">double</span>);
151
<a name="l00149"></a>00149
152
<a name="l00150"></a>00150 QwtDoublePoint center() <span class="keyword">const</span>;
153
<a name="l00151"></a>00151
154
<a name="l00152"></a>00152 <span class="keywordtype">void</span> moveLeft(<span class="keywordtype">double</span> x);
155
<a name="l00153"></a>00153 <span class="keywordtype">void</span> moveRight(<span class="keywordtype">double</span> x);
156
<a name="l00154"></a>00154 <span class="keywordtype">void</span> moveTop(<span class="keywordtype">double</span> y );
157
<a name="l00155"></a>00155 <span class="keywordtype">void</span> moveBottom(<span class="keywordtype">double</span> y );
158
<a name="l00156"></a>00156 <span class="keywordtype">void</span> moveTo(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y);
159
<a name="l00157"></a>00157 <span class="keywordtype">void</span> moveTo(<span class="keyword">const</span> QwtDoublePoint &);
160
<a name="l00158"></a>00158 <span class="keywordtype">void</span> moveBy(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy);
161
<a name="l00159"></a>00159 <span class="keywordtype">void</span> moveCenter(<span class="keyword">const</span> QwtDoublePoint &);
162
<a name="l00160"></a>00160 <span class="keywordtype">void</span> moveCenter(<span class="keywordtype">double</span> dx, <span class="keywordtype">double</span> dy);
163
<a name="l00161"></a>00161
164
<a name="l00162"></a>00162 <span class="keywordtype">void</span> setRect(<span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2, <span class="keywordtype">double</span> width, <span class="keywordtype">double</span> height);
165
<a name="l00163"></a>00163
166
<a name="l00164"></a>00164 <span class="keywordtype">double</span> width() <span class="keyword">const</span>;
167
<a name="l00165"></a>00165 <span class="keywordtype">double</span> height() <span class="keyword">const</span>;
168
<a name="l00166"></a>00166 QwtDoubleSize size() <span class="keyword">const</span>;
169
<a name="l00167"></a>00167
170
<a name="l00168"></a>00168 <span class="keywordtype">void</span> setWidth(<span class="keywordtype">double</span> w );
171
<a name="l00169"></a>00169 <span class="keywordtype">void</span> setHeight(<span class="keywordtype">double</span> h );
172
<a name="l00170"></a>00170 <span class="keywordtype">void</span> setSize(<span class="keyword">const</span> QwtDoubleSize &);
173
<a name="l00171"></a>00171
174
<a name="l00172"></a>00172 QwtDoubleRect operator|(<span class="keyword">const</span> QwtDoubleRect &r) <span class="keyword">const</span>;
175
<a name="l00173"></a>00173 QwtDoubleRect operator&(<span class="keyword">const</span> QwtDoubleRect &r) <span class="keyword">const</span>;
176
<a name="l00174"></a>00174 QwtDoubleRect &operator|=(<span class="keyword">const</span> QwtDoubleRect &r);
177
<a name="l00175"></a>00175 QwtDoubleRect &operator&=(<span class="keyword">const</span> QwtDoubleRect &r);
178
<a name="l00176"></a>00176 <span class="keywordtype">bool</span> operator==( <span class="keyword">const</span> QwtDoubleRect &) <span class="keyword">const</span>;
179
<a name="l00177"></a>00177 <span class="keywordtype">bool</span> operator!=( <span class="keyword">const</span> QwtDoubleRect &) <span class="keyword">const</span>;
180
<a name="l00178"></a>00178
181
<a name="l00179"></a>00179 <span class="keywordtype">bool</span> contains(<span class="keyword">const</span> QwtDoublePoint &p, <span class="keywordtype">bool</span> proper = <span class="keyword">false</span>) <span class="keyword">const</span>;
182
<a name="l00180"></a>00180 <span class="keywordtype">bool</span> contains(<span class="keywordtype">double</span> x, <span class="keywordtype">double</span> y, <span class="keywordtype">bool</span> proper = <span class="keyword">false</span>) <span class="keyword">const</span>;
183
<a name="l00181"></a>00181 <span class="keywordtype">bool</span> contains(<span class="keyword">const</span> QwtDoubleRect &r, <span class="keywordtype">bool</span> proper=<span class="keyword">false</span>) <span class="keyword">const</span>;
184
<a name="l00182"></a>00182
185
<a name="l00183"></a>00183 QwtDoubleRect unite(<span class="keyword">const</span> QwtDoubleRect &) <span class="keyword">const</span>;
186
<a name="l00184"></a>00184 QwtDoubleRect intersect(<span class="keyword">const</span> QwtDoubleRect &) <span class="keyword">const</span>;
187
<a name="l00185"></a>00185 <span class="keywordtype">bool</span> intersects(<span class="keyword">const</span> QwtDoubleRect &) <span class="keyword">const</span>;
188
<a name="l00186"></a>00186
189
<a name="l00187"></a>00187 <span class="keyword">private</span>:
190
<a name="l00188"></a>00188 <span class="keywordtype">double</span> d_left;
191
<a name="l00189"></a>00189 <span class="keywordtype">double</span> d_right;
192
<a name="l00190"></a>00190 <span class="keywordtype">double</span> d_top;
193
<a name="l00191"></a>00191 <span class="keywordtype">double</span> d_bottom;
194
<a name="l00192"></a>00192 };
195
<a name="l00193"></a>00193
196
<a name="l00200"></a>00200 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoublePoint::isNull()<span class="keyword"> const</span>
197
<a name="l00201"></a>00201 <span class="keyword"></span>{
198
<a name="l00202"></a>00202 <span class="keywordflow">return</span> d_x == 0.0 && d_y == 0.0;
199
<a name="l00203"></a>00203 }
200
<a name="l00204"></a>00204
201
<a name="l00206"></a>00206 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoublePoint::x()<span class="keyword"> const</span>
202
<a name="l00207"></a>00207 <span class="keyword"></span>{
203
<a name="l00208"></a>00208 <span class="keywordflow">return</span> d_x;
204
<a name="l00209"></a>00209 }
205
<a name="l00210"></a>00210
206
<a name="l00212"></a>00212 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoublePoint::y()<span class="keyword"> const</span>
207
<a name="l00213"></a>00213 <span class="keyword"></span>{
208
<a name="l00214"></a>00214 <span class="keywordflow">return</span> d_y;
209
<a name="l00215"></a>00215 }
210
<a name="l00216"></a>00216
211
<a name="l00218"></a>00218 <span class="keyword">inline</span> <span class="keywordtype">double</span> &QwtDoublePoint::rx()
212
<a name="l00219"></a>00219 {
213
<a name="l00220"></a>00220 <span class="keywordflow">return</span> d_x;
214
<a name="l00221"></a>00221 }
215
<a name="l00222"></a>00222
216
<a name="l00224"></a>00224 <span class="keyword">inline</span> <span class="keywordtype">double</span> &QwtDoublePoint::ry()
217
<a name="l00225"></a>00225 {
218
<a name="l00226"></a>00226 <span class="keywordflow">return</span> d_y;
219
<a name="l00227"></a>00227 }
220
<a name="l00228"></a>00228
221
<a name="l00230"></a>00230 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoublePoint::setX(<span class="keywordtype">double</span> x)
222
<a name="l00231"></a>00231 {
223
<a name="l00232"></a>00232 d_x = x;
224
<a name="l00233"></a>00233 }
225
<a name="l00234"></a>00234
226
<a name="l00236"></a>00236 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoublePoint::setY(<span class="keywordtype">double</span> y)
227
<a name="l00237"></a>00237 {
228
<a name="l00238"></a>00238 d_y = y;
229
<a name="l00239"></a>00239 }
230
<a name="l00240"></a>00240
231
<a name="l00245"></a>00245 <span class="keyword">inline</span> QPoint QwtDoublePoint::toPoint()<span class="keyword"> const</span>
232
<a name="l00246"></a>00246 <span class="keyword"></span>{
233
<a name="l00247"></a>00247 <span class="keywordflow">return</span> QPoint(qRound(d_x), qRound(d_y));
234
<a name="l00248"></a>00248 }
235
<a name="l00249"></a>00249
236
<a name="l00254"></a>00254 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleSize::isNull()<span class="keyword"> const</span>
237
<a name="l00255"></a>00255 <span class="keyword"></span>{
238
<a name="l00256"></a>00256 <span class="keywordflow">return</span> d_width == 0.0 && d_height == 0.0;
239
<a name="l00257"></a>00257 }
240
<a name="l00258"></a>00258
241
<a name="l00263"></a>00263 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleSize::isEmpty()<span class="keyword"> const</span>
242
<a name="l00264"></a>00264 <span class="keyword"></span>{
243
<a name="l00265"></a>00265 <span class="keywordflow">return</span> d_width <= 0.0 || d_height <= 0.0;
244
<a name="l00266"></a>00266 }
245
<a name="l00267"></a>00267
246
<a name="l00272"></a>00272 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleSize::isValid()<span class="keyword"> const</span>
247
<a name="l00273"></a>00273 <span class="keyword"></span>{
248
<a name="l00274"></a>00274 <span class="keywordflow">return</span> d_width >= 0.0 && d_height >= 0.0;
249
<a name="l00275"></a>00275 }
250
<a name="l00276"></a>00276
251
<a name="l00278"></a>00278 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleSize::width()<span class="keyword"> const</span>
252
<a name="l00279"></a>00279 <span class="keyword"></span>{
253
<a name="l00280"></a>00280 <span class="keywordflow">return</span> d_width;
254
<a name="l00281"></a>00281 }
255
<a name="l00282"></a>00282
256
<a name="l00284"></a>00284 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleSize::height()<span class="keyword"> const</span>
257
<a name="l00285"></a>00285 <span class="keyword"></span>{
258
<a name="l00286"></a>00286 <span class="keywordflow">return</span> d_height;
259
<a name="l00287"></a>00287 }
260
<a name="l00288"></a>00288
261
<a name="l00290"></a>00290 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleSize::setWidth(<span class="keywordtype">double</span> width)
262
<a name="l00291"></a>00291 {
263
<a name="l00292"></a>00292 d_width = width;
264
<a name="l00293"></a>00293 }
265
<a name="l00294"></a>00294
266
<a name="l00296"></a>00296 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleSize::setHeight(<span class="keywordtype">double</span> height)
267
<a name="l00297"></a>00297 {
268
<a name="l00298"></a>00298 d_height = height;
269
<a name="l00299"></a>00299 }
270
<a name="l00300"></a>00300
271
<a name="l00308"></a>00308 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleRect::isNull()<span class="keyword"> const</span>
272
<a name="l00309"></a>00309 <span class="keyword"></span>{
273
<a name="l00310"></a>00310 <span class="keywordflow">return</span> d_right == d_left && d_bottom == d_top;
274
<a name="l00311"></a>00311 }
275
<a name="l00312"></a>00312
276
<a name="l00320"></a>00320 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleRect::isEmpty()<span class="keyword"> const</span>
277
<a name="l00321"></a>00321 <span class="keyword"></span>{
278
<a name="l00322"></a>00322 <span class="keywordflow">return</span> d_left >= d_right || d_top >= d_bottom;
279
<a name="l00323"></a>00323 }
280
<a name="l00324"></a>00324
281
<a name="l00333"></a>00333 <span class="keyword">inline</span> <span class="keywordtype">bool</span> QwtDoubleRect::isValid()<span class="keyword"> const</span>
282
<a name="l00334"></a>00334 <span class="keyword"></span>{
283
<a name="l00335"></a>00335 <span class="keywordflow">return</span> d_left < d_right && d_top < d_bottom;
284
<a name="l00336"></a>00336 }
285
<a name="l00337"></a>00337
286
<a name="l00339"></a>00339 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::x()<span class="keyword"> const</span>
287
<a name="l00340"></a>00340 <span class="keyword"></span>{
288
<a name="l00341"></a>00341 <span class="keywordflow">return</span> d_left;
289
<a name="l00342"></a>00342 }
290
<a name="l00343"></a>00343
291
<a name="l00345"></a>00345 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::y()<span class="keyword"> const</span>
292
<a name="l00346"></a>00346 <span class="keyword"></span>{
293
<a name="l00347"></a>00347 <span class="keywordflow">return</span> d_top;
294
<a name="l00348"></a>00348 }
295
<a name="l00349"></a>00349
296
<a name="l00351"></a>00351 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::left()<span class="keyword"> const</span>
297
<a name="l00352"></a>00352 <span class="keyword"></span>{
298
<a name="l00353"></a>00353 <span class="keywordflow">return</span> d_left;
299
<a name="l00354"></a>00354 }
300
<a name="l00355"></a>00355
301
<a name="l00357"></a>00357 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::right()<span class="keyword"> const</span>
302
<a name="l00358"></a>00358 <span class="keyword"></span>{
303
<a name="l00359"></a>00359 <span class="keywordflow">return</span> d_right;
304
<a name="l00360"></a>00360 }
305
<a name="l00361"></a>00361
306
<a name="l00363"></a>00363 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::top()<span class="keyword"> const</span>
307
<a name="l00364"></a>00364 <span class="keyword"></span>{
308
<a name="l00365"></a>00365 <span class="keywordflow">return</span> d_top;
309
<a name="l00366"></a>00366 }
310
<a name="l00367"></a>00367
311
<a name="l00369"></a>00369 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::bottom()<span class="keyword"> const</span>
312
<a name="l00370"></a>00370 <span class="keyword"></span>{
313
<a name="l00371"></a>00371 <span class="keywordflow">return</span> d_bottom;
314
<a name="l00372"></a>00372 }
315
<a name="l00373"></a>00373
316
<a name="l00375"></a>00375 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setX(<span class="keywordtype">double</span> x)
317
<a name="l00376"></a>00376 {
318
<a name="l00377"></a>00377 d_left = x;
319
<a name="l00378"></a>00378 }
320
<a name="l00379"></a>00379
321
<a name="l00381"></a>00381 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setY(<span class="keywordtype">double</span> y)
322
<a name="l00382"></a>00382 {
323
<a name="l00383"></a>00383 d_top = y;
324
<a name="l00384"></a>00384 }
325
<a name="l00385"></a>00385
326
<a name="l00387"></a>00387 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setLeft(<span class="keywordtype">double</span> x)
327
<a name="l00388"></a>00388 {
328
<a name="l00389"></a>00389 d_left = x;
329
<a name="l00390"></a>00390 }
330
<a name="l00391"></a>00391
331
<a name="l00393"></a>00393 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setRight(<span class="keywordtype">double</span> x)
332
<a name="l00394"></a>00394 {
333
<a name="l00395"></a>00395 d_right = x;
334
<a name="l00396"></a>00396 }
335
<a name="l00397"></a>00397
336
<a name="l00399"></a>00399 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setTop(<span class="keywordtype">double</span> y)
337
<a name="l00400"></a>00400 {
338
<a name="l00401"></a>00401 d_top = y;
339
<a name="l00402"></a>00402 }
340
<a name="l00403"></a>00403
341
<a name="l00405"></a>00405 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setBottom(<span class="keywordtype">double</span> y)
342
<a name="l00406"></a>00406 {
343
<a name="l00407"></a>00407 d_bottom = y;
344
<a name="l00408"></a>00408 }
345
<a name="l00409"></a>00409
346
<a name="l00411"></a>00411 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::width()<span class="keyword"> const</span>
347
<a name="l00412"></a>00412 <span class="keyword"></span>{
348
<a name="l00413"></a>00413 <span class="keywordflow">return</span> d_right - d_left;
349
<a name="l00414"></a>00414 }
350
<a name="l00415"></a>00415
351
<a name="l00417"></a>00417 <span class="keyword">inline</span> <span class="keywordtype">double</span> QwtDoubleRect::height()<span class="keyword"> const</span>
352
<a name="l00418"></a>00418 <span class="keyword"></span>{
353
<a name="l00419"></a>00419 <span class="keywordflow">return</span> d_bottom - d_top;
354
<a name="l00420"></a>00420 }
355
<a name="l00421"></a>00421
356
<a name="l00423"></a>00423 <span class="keyword">inline</span> QwtDoubleSize QwtDoubleRect::size()<span class="keyword"> const</span>
357
<a name="l00424"></a>00424 <span class="keyword"></span>{
358
<a name="l00425"></a>00425 <span class="keywordflow">return</span> QwtDoubleSize(width(), height());
359
<a name="l00426"></a>00426 }
360
<a name="l00427"></a>00427
361
<a name="l00429"></a>00429 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setWidth(<span class="keywordtype">double</span> w)
362
<a name="l00430"></a>00430 {
363
<a name="l00431"></a>00431 d_right = d_left + w;
364
<a name="l00432"></a>00432 }
365
<a name="l00433"></a>00433
366
<a name="l00435"></a>00435 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::setHeight(<span class="keywordtype">double</span> h)
367
<a name="l00436"></a>00436 {
368
<a name="l00437"></a>00437 d_bottom = d_top + h;
369
<a name="l00438"></a>00438 }
370
<a name="l00439"></a>00439
371
<a name="l00444"></a>00444 <span class="keyword">inline</span> <span class="keywordtype">void</span> QwtDoubleRect::moveTo(<span class="keyword">const</span> QwtDoublePoint &p)
372
<a name="l00445"></a>00445 {
373
<a name="l00446"></a>00446 moveTo(p.x(), p.y());
374
<a name="l00447"></a>00447 }
375
<a name="l00448"></a>00448
376
<a name="l00449"></a>00449 <span class="preprocessor">#endif // QT_VERSION < 0x040000</span>
377
<a name="l00450"></a>00450 <span class="preprocessor"></span>
378
<a name="l00451"></a>00451 <span class="preprocessor">#endif // QWT_DOUBLE_RECT_H</span>
379
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Mon Jun 11 07:41:37 2007 for Qwt User's Guide by
380
<a href="http://www.doxygen.org/index.html">
381
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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qwt-5.0.2/doc/html/qwt__double__rect_8h-source.html
