qwt_double_rect.h
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00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** 00002 * Qwt Widget Library 00003 * Copyright (C) 1997 Josef Wilgen 00004 * Copyright (C) 2002 Uwe Rathmann 00005 * 00006 * This library is free software; you can redistribute it and/or 00007 * modify it under the terms of the Qwt License, Version 1.0 00008 *****************************************************************************/ 00009 00011 #ifndef QWT_DOUBLE_RECT_H 00012 #define QWT_DOUBLE_RECT_H 1 00013 00014 #include "qwt_global.h" 00015 #include "qwt_array.h" 00016 00017 #if QT_VERSION >= 0x040000 00018 00019 #include <QPointF> 00020 #include <QSizeF> 00021 #include <QRectF> 00022 00029 typedef QPointF QwtDoublePoint; 00030 00037 typedef QSizeF QwtDoubleSize; 00038 00045 typedef QRectF QwtDoubleRect; 00046 00047 #else 00048 00049 #include <qpoint.h> 00050 #include <qsize.h> 00051 #include <qrect.h> 00052 00057 class QWT_EXPORT QwtDoublePoint 00058 { 00059 public: 00060 QwtDoublePoint(); 00061 QwtDoublePoint(double x, double y); 00062 QwtDoublePoint(const QPoint &); 00063 00064 QPoint toPoint() const; 00065 00066 bool isNull() const; 00067 00068 double x() const; 00069 double y() const; 00070 00071 double &rx(); 00072 double &ry(); 00073 00074 void setX(double x); 00075 void setY(double y); 00076 00077 bool operator==(const QwtDoublePoint &) const; 00078 bool operator!=(const QwtDoublePoint &) const; 00079 00080 const QwtDoublePoint operator-() const; 00081 const QwtDoublePoint operator+(const QwtDoublePoint &) const; 00082 const QwtDoublePoint operator-(const QwtDoublePoint &) const; 00083 const QwtDoublePoint operator*(double) const; 00084 const QwtDoublePoint operator/(double) const; 00085 00086 QwtDoublePoint &operator+=(const QwtDoublePoint &); 00087 QwtDoublePoint &operator-=(const QwtDoublePoint &); 00088 QwtDoublePoint &operator*=(double); 00089 QwtDoublePoint &operator/=(double); 00090 00091 private: 00092 double d_x; 00093 double d_y; 00094 }; 00095 00100 class QWT_EXPORT QwtDoubleSize 00101 { 00102 public: 00103 QwtDoubleSize(); 00104 QwtDoubleSize(double width, double height); 00105 QwtDoubleSize(const QSize &); 00106 00107 bool isNull() const; 00108 bool isEmpty() const; 00109 bool isValid() const; 00110 00111 double width() const; 00112 double height() const; 00113 void setWidth( double w ); 00114 void setHeight( double h ); 00115 void transpose(); 00116 00117 QwtDoubleSize expandedTo(const QwtDoubleSize &) const; 00118 QwtDoubleSize boundedTo(const QwtDoubleSize &) const; 00119 00120 bool operator==(const QwtDoubleSize &) const; 00121 bool operator!=(const QwtDoubleSize &) const; 00122 00123 const QwtDoubleSize operator+(const QwtDoubleSize &) const; 00124 const QwtDoubleSize operator-(const QwtDoubleSize &) const; 00125 const QwtDoubleSize operator*(double) const; 00126 const QwtDoubleSize operator/(double) const; 00127 00128 QwtDoubleSize &operator+=(const QwtDoubleSize &); 00129 QwtDoubleSize &operator-=(const QwtDoubleSize &); 00130 QwtDoubleSize &operator*=(double c); 00131 QwtDoubleSize &operator/=(double c); 00132 00133 private: 00134 double d_width; 00135 double d_height; 00136 }; 00137 00142 class QWT_EXPORT QwtDoubleRect 00143 { 00144 public: 00145 QwtDoubleRect(); 00146 QwtDoubleRect(double left, double top, double width, double height); 00147 QwtDoubleRect(const QwtDoublePoint&, const QwtDoubleSize &); 00148 00149 QwtDoubleRect(const QRect &); 00150 QRect toRect() const; 00151 00152 bool isNull() const; 00153 bool isEmpty() const; 00154 bool isValid() const; 00155 00156 QwtDoubleRect normalized() const; 00157 00158 double x() const; 00159 double y() const; 00160 00161 double left() const; 00162 double right() const; 00163 double top() const; 00164 double bottom() const; 00165 00166 void setX(double); 00167 void setY(double); 00168 00169 void setLeft(double); 00170 void setRight(double); 00171 void setTop(double); 00172 void setBottom(double); 00173 00174 QwtDoublePoint center() const; 00175 00176 void moveLeft(double x); 00177 void moveRight(double x); 00178 void moveTop(double y ); 00179 void moveBottom(double y ); 00180 void moveTo(double x, double y); 00181 void moveTo(const QwtDoublePoint &); 00182 void moveBy(double dx, double dy); 00183 void moveCenter(const QwtDoublePoint &); 00184 void moveCenter(double dx, double dy); 00185 00186 void setRect(double x1, double x2, double width, double height); 00187 00188 double width() const; 00189 double height() const; 00190 QwtDoubleSize size() const; 00191 00192 void setWidth(double w ); 00193 void setHeight(double h ); 00194 void setSize(const QwtDoubleSize &); 00195 00196 QwtDoubleRect operator|(const QwtDoubleRect &r) const; 00197 QwtDoubleRect operator&(const QwtDoubleRect &r) const; 00198 QwtDoubleRect &operator|=(const QwtDoubleRect &r); 00199 QwtDoubleRect &operator&=(const QwtDoubleRect &r); 00200 bool operator==( const QwtDoubleRect &) const; 00201 bool operator!=( const QwtDoubleRect &) const; 00202 00203 bool contains(const QwtDoublePoint &p, bool proper = false) const; 00204 bool contains(double x, double y, bool proper = false) const; 00205 bool contains(const QwtDoubleRect &r, bool proper=false) const; 00206 00207 QwtDoubleRect unite(const QwtDoubleRect &) const; 00208 QwtDoubleRect intersect(const QwtDoubleRect &) const; 00209 bool intersects(const QwtDoubleRect &) const; 00210 00211 QwtDoublePoint bottomRight() const; 00212 QwtDoublePoint topRight() const; 00213 QwtDoublePoint topLeft() const; 00214 QwtDoublePoint bottomLeft() const; 00215 00216 private: 00217 double d_left; 00218 double d_right; 00219 double d_top; 00220 double d_bottom; 00221 }; 00222 00229 inline bool QwtDoublePoint::isNull() const 00230 { 00231 return d_x == 0.0 && d_y == 0.0; 00232 } 00233 00235 inline double QwtDoublePoint::x() const 00236 { 00237 return d_x; 00238 } 00239 00241 inline double QwtDoublePoint::y() const 00242 { 00243 return d_y; 00244 } 00245 00247 inline double &QwtDoublePoint::rx() 00248 { 00249 return d_x; 00250 } 00251 00253 inline double &QwtDoublePoint::ry() 00254 { 00255 return d_y; 00256 } 00257 00259 inline void QwtDoublePoint::setX(double x) 00260 { 00261 d_x = x; 00262 } 00263 00265 inline void QwtDoublePoint::setY(double y) 00266 { 00267 d_y = y; 00268 } 00269 00274 inline QPoint QwtDoublePoint::toPoint() const 00275 { 00276 return QPoint(qRound(d_x), qRound(d_y)); 00277 } 00278 00283 inline bool QwtDoubleSize::isNull() const 00284 { 00285 return d_width == 0.0 && d_height == 0.0; 00286 } 00287 00292 inline bool QwtDoubleSize::isEmpty() const 00293 { 00294 return d_width <= 0.0 || d_height <= 0.0; 00295 } 00296 00301 inline bool QwtDoubleSize::isValid() const 00302 { 00303 return d_width >= 0.0 && d_height >= 0.0; 00304 } 00305 00307 inline double QwtDoubleSize::width() const 00308 { 00309 return d_width; 00310 } 00311 00313 inline double QwtDoubleSize::height() const 00314 { 00315 return d_height; 00316 } 00317 00319 inline void QwtDoubleSize::setWidth(double width) 00320 { 00321 d_width = width; 00322 } 00323 00325 inline void QwtDoubleSize::setHeight(double height) 00326 { 00327 d_height = height; 00328 } 00329 00337 inline bool QwtDoubleRect::isNull() const 00338 { 00339 return d_right == d_left && d_bottom == d_top; 00340 } 00341 00349 inline bool QwtDoubleRect::isEmpty() const 00350 { 00351 return d_left >= d_right || d_top >= d_bottom; 00352 } 00353 00362 inline bool QwtDoubleRect::isValid() const 00363 { 00364 return d_left < d_right && d_top < d_bottom; 00365 } 00366 00368 inline double QwtDoubleRect::x() const 00369 { 00370 return d_left; 00371 } 00372 00374 inline double QwtDoubleRect::y() const 00375 { 00376 return d_top; 00377 } 00378 00380 inline double QwtDoubleRect::left() const 00381 { 00382 return d_left; 00383 } 00384 00386 inline double QwtDoubleRect::right() const 00387 { 00388 return d_right; 00389 } 00390 00392 inline double QwtDoubleRect::top() const 00393 { 00394 return d_top; 00395 } 00396 00398 inline double QwtDoubleRect::bottom() const 00399 { 00400 return d_bottom; 00401 } 00402 00404 inline void QwtDoubleRect::setX(double x) 00405 { 00406 d_left = x; 00407 } 00408 00410 inline void QwtDoubleRect::setY(double y) 00411 { 00412 d_top = y; 00413 } 00414 00416 inline void QwtDoubleRect::setLeft(double x) 00417 { 00418 d_left = x; 00419 } 00420 00422 inline void QwtDoubleRect::setRight(double x) 00423 { 00424 d_right = x; 00425 } 00426 00428 inline void QwtDoubleRect::setTop(double y) 00429 { 00430 d_top = y; 00431 } 00432 00434 inline void QwtDoubleRect::setBottom(double y) 00435 { 00436 d_bottom = y; 00437 } 00438 00440 inline double QwtDoubleRect::width() const 00441 { 00442 return d_right - d_left; 00443 } 00444 00446 inline double QwtDoubleRect::height() const 00447 { 00448 return d_bottom - d_top; 00449 } 00450 00452 inline QwtDoubleSize QwtDoubleRect::size() const 00453 { 00454 return QwtDoubleSize(width(), height()); 00455 } 00456 00458 inline void QwtDoubleRect::setWidth(double w) 00459 { 00460 d_right = d_left + w; 00461 } 00462 00464 inline void QwtDoubleRect::setHeight(double h) 00465 { 00466 d_bottom = d_top + h; 00467 } 00468 00473 inline void QwtDoubleRect::moveTo(const QwtDoublePoint &p) 00474 { 00475 moveTo(p.x(), p.y()); 00476 } 00477 00478 inline QwtDoublePoint QwtDoubleRect::bottomRight() const 00479 { 00480 return QwtDoublePoint(bottom(), right()); 00481 } 00482 00483 inline QwtDoublePoint QwtDoubleRect::topRight() const 00484 { 00485 return QwtDoublePoint(top(), right()); 00486 } 00487 00488 inline QwtDoublePoint QwtDoubleRect::topLeft() const 00489 { 00490 return QwtDoublePoint(top(), left()); 00491 } 00492 00493 inline QwtDoublePoint QwtDoubleRect::bottomLeft() const 00494 { 00495 return QwtDoublePoint(bottom(), left()); 00496 } 00497 00498 00499 #endif // QT_VERSION < 0x040000 00500 00501 #endif // QWT_DOUBLE_RECT_H
