1///////////////////////////////////////////////////////////////////////////// 2// Name: wx/geometry.h 3// Purpose: Common Geometry Classes 4// Author: Stefan Csomor 5// Modified by: 6// Created: 08/05/99 7// RCS-ID: $Id: geometry.h 53135 2008-04-12 02:31:04Z VZ $ 8// Copyright: (c) 1999 Stefan Csomor 9// Licence: wxWindows licence 10///////////////////////////////////////////////////////////////////////////// 11 12#ifndef _WX_GEOMETRY_H_ 13#define _WX_GEOMETRY_H_ 14 15#include "wx/defs.h" 16 17#if wxUSE_GEOMETRY 18 19#include "wx/utils.h" 20#include "wx/gdicmn.h" 21#include "wx/math.h" 22 23class WXDLLIMPEXP_FWD_BASE wxDataInputStream; 24class WXDLLIMPEXP_FWD_BASE wxDataOutputStream; 25 26// clipping from Cohen-Sutherland 27 28enum wxOutCode 29{ 30 wxInside = 0x00 , 31 wxOutLeft = 0x01 , 32 wxOutRight = 0x02 , 33 wxOutTop = 0x08 , 34 wxOutBottom = 0x04 35}; 36 37class WXDLLEXPORT wxPoint2DInt 38{ 39public : 40 inline wxPoint2DInt(); 41 inline wxPoint2DInt( wxInt32 x , wxInt32 y ); 42 inline wxPoint2DInt( const wxPoint2DInt &pt ); 43 inline wxPoint2DInt( const wxPoint &pt ); 44 45 // noops for this class, just return the coords 46 inline void GetFloor( wxInt32 *x , wxInt32 *y ) const; 47 inline void GetRounded( wxInt32 *x , wxInt32 *y ) const; 48 49 inline wxDouble GetVectorLength() const; 50 wxDouble GetVectorAngle() const; 51 inline void SetVectorLength( wxDouble length ); 52 void SetVectorAngle( wxDouble degrees ); 53 void SetPolarCoordinates( wxInt32 angle , wxInt32 length ); 54 // set the vector length to 1.0, preserving the angle 55 inline void Normalize(); 56 57 inline wxDouble GetDistance( const wxPoint2DInt &pt ) const; 58 inline wxDouble GetDistanceSquare( const wxPoint2DInt &pt ) const; 59 inline wxInt32 GetDotProduct( const wxPoint2DInt &vec ) const; 60 inline wxInt32 GetCrossProduct( const wxPoint2DInt &vec ) const; 61 62 // the reflection of this point 63 inline wxPoint2DInt operator-(); 64 65 inline wxPoint2DInt& operator=(const wxPoint2DInt& pt); 66 inline wxPoint2DInt& operator+=(const wxPoint2DInt& pt); 67 inline wxPoint2DInt& operator-=(const wxPoint2DInt& pt); 68 inline wxPoint2DInt& operator*=(const wxPoint2DInt& pt); 69 inline wxPoint2DInt& operator*=(wxDouble n); 70 inline wxPoint2DInt& operator*=(wxInt32 n); 71 inline wxPoint2DInt& operator/=(const wxPoint2DInt& pt); 72 inline wxPoint2DInt& operator/=(wxDouble n); 73 inline wxPoint2DInt& operator/=(wxInt32 n); 74 inline operator wxPoint() const; 75 inline bool operator==(const wxPoint2DInt& pt) const; 76 inline bool operator!=(const wxPoint2DInt& pt) const; 77 78#if wxUSE_STREAMS 79 void WriteTo( wxDataOutputStream &stream ) const; 80 void ReadFrom( wxDataInputStream &stream ); 81#endif // wxUSE_STREAMS 82 83 wxInt32 m_x; 84 wxInt32 m_y; 85}; 86 87inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2); 88inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2); 89inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2); 90inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt); 91inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt); 92inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n); 93inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n); 94inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2); 95inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n); 96inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n); 97 98inline wxPoint2DInt::wxPoint2DInt() 99{ 100 m_x = 0; 101 m_y = 0; 102} 103 104inline wxPoint2DInt::wxPoint2DInt( wxInt32 x , wxInt32 y ) 105{ 106 m_x = x; 107 m_y = y; 108} 109 110inline wxPoint2DInt::wxPoint2DInt( const wxPoint2DInt &pt ) 111{ 112 m_x = pt.m_x; 113 m_y = pt.m_y; 114} 115 116inline wxPoint2DInt::wxPoint2DInt( const wxPoint &pt ) 117{ 118 m_x = pt.x; 119 m_y = pt.y; 120} 121 122inline void wxPoint2DInt::GetFloor( wxInt32 *x , wxInt32 *y ) const 123{ 124 if ( x ) 125 *x = m_x; 126 if ( y ) 127 *y = m_y; 128} 129 130inline void wxPoint2DInt::GetRounded( wxInt32 *x , wxInt32 *y ) const 131{ 132 GetFloor(x, y); 133} 134 135inline wxDouble wxPoint2DInt::GetVectorLength() const 136{ 137 // cast needed MIPSpro compiler under SGI 138 return sqrt( (double)(m_x)*(m_x) + (m_y)*(m_y) ); 139} 140 141inline void wxPoint2DInt::SetVectorLength( wxDouble length ) 142{ 143 wxDouble before = GetVectorLength(); 144 m_x = (wxInt32)(m_x * length / before); 145 m_y = (wxInt32)(m_y * length / before); 146} 147 148inline void wxPoint2DInt::Normalize() 149{ 150 SetVectorLength( 1 ); 151} 152 153inline wxDouble wxPoint2DInt::GetDistance( const wxPoint2DInt &pt ) const 154{ 155 return sqrt( GetDistanceSquare( pt ) ); 156} 157 158inline wxDouble wxPoint2DInt::GetDistanceSquare( const wxPoint2DInt &pt ) const 159{ 160 return ( (wxDouble)(pt.m_x-m_x)*(pt.m_x-m_x) + (wxDouble)(pt.m_y-m_y)*(pt.m_y-m_y) ); 161} 162 163inline wxInt32 wxPoint2DInt::GetDotProduct( const wxPoint2DInt &vec ) const 164{ 165 return ( m_x * vec.m_x + m_y * vec.m_y ); 166} 167 168inline wxInt32 wxPoint2DInt::GetCrossProduct( const wxPoint2DInt &vec ) const 169{ 170 return ( m_x * vec.m_y - vec.m_x * m_y ); 171} 172 173inline wxPoint2DInt::operator wxPoint() const 174{ 175 return wxPoint( m_x, m_y); 176} 177 178inline wxPoint2DInt wxPoint2DInt::operator-() 179{ 180 return wxPoint2DInt( -m_x, -m_y); 181} 182 183inline wxPoint2DInt& wxPoint2DInt::operator=(const wxPoint2DInt& pt) 184{ 185 m_x = pt.m_x; 186 m_y = pt.m_y; 187 return *this; 188} 189 190inline wxPoint2DInt& wxPoint2DInt::operator+=(const wxPoint2DInt& pt) 191{ 192 m_x = m_x + pt.m_x; 193 m_y = m_y + pt.m_y; 194 return *this; 195} 196 197inline wxPoint2DInt& wxPoint2DInt::operator-=(const wxPoint2DInt& pt) 198{ 199 m_x = m_x - pt.m_x; 200 m_y = m_y - pt.m_y; 201 return *this; 202} 203 204inline wxPoint2DInt& wxPoint2DInt::operator*=(const wxPoint2DInt& pt) 205{ 206 m_x = m_x + pt.m_x; 207 m_y = m_y + pt.m_y; 208 return *this; 209} 210 211inline wxPoint2DInt& wxPoint2DInt::operator/=(const wxPoint2DInt& pt) 212{ 213 m_x = m_x - pt.m_x; 214 m_y = m_y - pt.m_y; 215 return *this; 216} 217 218inline bool wxPoint2DInt::operator==(const wxPoint2DInt& pt) const 219{ 220 return m_x == pt.m_x && m_y == pt.m_y; 221} 222 223inline bool wxPoint2DInt::operator!=(const wxPoint2DInt& pt) const 224{ 225 return m_x != pt.m_x || m_y != pt.m_y; 226} 227 228inline wxPoint2DInt operator+(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2) 229{ 230 return wxPoint2DInt( pt1.m_x + pt2.m_x , pt1.m_y + pt2.m_y ); 231} 232 233inline wxPoint2DInt operator-(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2) 234{ 235 return wxPoint2DInt( pt1.m_x - pt2.m_x , pt1.m_y - pt2.m_y ); 236} 237 238 239inline wxPoint2DInt operator*(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2) 240{ 241 return wxPoint2DInt( pt1.m_x * pt2.m_x , pt1.m_y * pt2.m_y ); 242} 243 244inline wxPoint2DInt operator*(wxInt32 n , const wxPoint2DInt& pt) 245{ 246 return wxPoint2DInt( pt.m_x * n , pt.m_y * n ); 247} 248 249inline wxPoint2DInt operator*(wxDouble n , const wxPoint2DInt& pt) 250{ 251 return wxPoint2DInt( (int) (pt.m_x * n) , (int) (pt.m_y * n) ); 252} 253 254inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxInt32 n) 255{ 256 return wxPoint2DInt( pt.m_x * n , pt.m_y * n ); 257} 258 259inline wxPoint2DInt operator*(const wxPoint2DInt& pt , wxDouble n) 260{ 261 return wxPoint2DInt( (int) (pt.m_x * n) , (int) (pt.m_y * n) ); 262} 263 264inline wxPoint2DInt operator/(const wxPoint2DInt& pt1 , const wxPoint2DInt& pt2) 265{ 266 return wxPoint2DInt( pt1.m_x / pt2.m_x , pt1.m_y / pt2.m_y ); 267} 268 269inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxInt32 n) 270{ 271 return wxPoint2DInt( pt.m_x / n , pt.m_y / n ); 272} 273 274inline wxPoint2DInt operator/(const wxPoint2DInt& pt , wxDouble n) 275{ 276 return wxPoint2DInt( (int) (pt.m_x / n) , (int) (pt.m_y / n) ); 277} 278 279// wxPoint2Ds represent a point or a vector in a 2d coordinate system 280 281class WXDLLEXPORT wxPoint2DDouble 282{ 283public : 284 inline wxPoint2DDouble(); 285 inline wxPoint2DDouble( wxDouble x , wxDouble y ); 286 inline wxPoint2DDouble( const wxPoint2DDouble &pt ); 287 wxPoint2DDouble( const wxPoint2DInt &pt ) 288 { m_x = (wxDouble) pt.m_x ; m_y = (wxDouble) pt.m_y ; } 289 wxPoint2DDouble( const wxPoint &pt ) 290 { m_x = (wxDouble) pt.x ; m_y = (wxDouble) pt.y ; } 291 292 // two different conversions to integers, floor and rounding 293 inline void GetFloor( wxInt32 *x , wxInt32 *y ) const; 294 inline void GetRounded( wxInt32 *x , wxInt32 *y ) const; 295 296 inline wxDouble GetVectorLength() const; 297 wxDouble GetVectorAngle() const ; 298 void SetVectorLength( wxDouble length ); 299 void SetVectorAngle( wxDouble degrees ); 300 void SetPolarCoordinates( wxDouble angle , wxDouble length ); 301 // set the vector length to 1.0, preserving the angle 302 void Normalize(); 303 304 inline wxDouble GetDistance( const wxPoint2DDouble &pt ) const; 305 inline wxDouble GetDistanceSquare( const wxPoint2DDouble &pt ) const; 306 inline wxDouble GetDotProduct( const wxPoint2DDouble &vec ) const; 307 inline wxDouble GetCrossProduct( const wxPoint2DDouble &vec ) const; 308 309 // the reflection of this point 310 inline wxPoint2DDouble operator-(); 311 312 inline wxPoint2DDouble& operator=(const wxPoint2DDouble& pt); 313 inline wxPoint2DDouble& operator+=(const wxPoint2DDouble& pt); 314 inline wxPoint2DDouble& operator-=(const wxPoint2DDouble& pt); 315 inline wxPoint2DDouble& operator*=(const wxPoint2DDouble& pt); 316 inline wxPoint2DDouble& operator*=(wxDouble n); 317 inline wxPoint2DDouble& operator*=(wxInt32 n); 318 inline wxPoint2DDouble& operator/=(const wxPoint2DDouble& pt); 319 inline wxPoint2DDouble& operator/=(wxDouble n); 320 inline wxPoint2DDouble& operator/=(wxInt32 n); 321 322 inline bool operator==(const wxPoint2DDouble& pt) const; 323 inline bool operator!=(const wxPoint2DDouble& pt) const; 324 325 wxDouble m_x; 326 wxDouble m_y; 327}; 328 329inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2); 330inline wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2); 331inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2); 332inline wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt); 333inline wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt); 334inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n); 335inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n); 336inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2); 337inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n); 338inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n); 339 340inline wxPoint2DDouble::wxPoint2DDouble() 341{ 342 m_x = 0.0; 343 m_y = 0.0; 344} 345 346inline wxPoint2DDouble::wxPoint2DDouble( wxDouble x , wxDouble y ) 347{ 348 m_x = x; 349 m_y = y; 350} 351 352inline wxPoint2DDouble::wxPoint2DDouble( const wxPoint2DDouble &pt ) 353{ 354 m_x = pt.m_x; 355 m_y = pt.m_y; 356} 357 358inline void wxPoint2DDouble::GetFloor( wxInt32 *x , wxInt32 *y ) const 359{ 360 *x = (wxInt32) floor( m_x ); 361 *y = (wxInt32) floor( m_y ); 362} 363 364inline void wxPoint2DDouble::GetRounded( wxInt32 *x , wxInt32 *y ) const 365{ 366 *x = (wxInt32) floor( m_x + 0.5 ); 367 *y = (wxInt32) floor( m_y + 0.5); 368} 369 370inline wxDouble wxPoint2DDouble::GetVectorLength() const 371{ 372 return sqrt( (m_x)*(m_x) + (m_y)*(m_y) ) ; 373} 374 375inline void wxPoint2DDouble::SetVectorLength( wxDouble length ) 376{ 377 wxDouble before = GetVectorLength() ; 378 m_x = (m_x * length / before) ; 379 m_y = (m_y * length / before) ; 380} 381 382inline void wxPoint2DDouble::Normalize() 383{ 384 SetVectorLength( 1 ); 385} 386 387inline wxDouble wxPoint2DDouble::GetDistance( const wxPoint2DDouble &pt ) const 388{ 389 return sqrt( GetDistanceSquare( pt ) ); 390} 391 392inline wxDouble wxPoint2DDouble::GetDistanceSquare( const wxPoint2DDouble &pt ) const 393{ 394 return ( (pt.m_x-m_x)*(pt.m_x-m_x) + (pt.m_y-m_y)*(pt.m_y-m_y) ); 395} 396 397inline wxDouble wxPoint2DDouble::GetDotProduct( const wxPoint2DDouble &vec ) const 398{ 399 return ( m_x * vec.m_x + m_y * vec.m_y ); 400} 401 402inline wxDouble wxPoint2DDouble::GetCrossProduct( const wxPoint2DDouble &vec ) const 403{ 404 return ( m_x * vec.m_y - vec.m_x * m_y ); 405} 406 407inline wxPoint2DDouble wxPoint2DDouble::operator-() 408{ 409 return wxPoint2DDouble( -m_x, -m_y); 410} 411 412inline wxPoint2DDouble& wxPoint2DDouble::operator=(const wxPoint2DDouble& pt) 413{ 414 m_x = pt.m_x; 415 m_y = pt.m_y; 416 return *this; 417} 418 419inline wxPoint2DDouble& wxPoint2DDouble::operator+=(const wxPoint2DDouble& pt) 420{ 421 m_x = m_x + pt.m_x; 422 m_y = m_y + pt.m_y; 423 return *this; 424} 425 426inline wxPoint2DDouble& wxPoint2DDouble::operator-=(const wxPoint2DDouble& pt) 427{ 428 m_x = m_x - pt.m_x; 429 m_y = m_y - pt.m_y; 430 return *this; 431} 432 433inline wxPoint2DDouble& wxPoint2DDouble::operator*=(const wxPoint2DDouble& pt) 434{ 435 m_x = m_x * pt.m_x; 436 m_y = m_y * pt.m_y; 437 return *this; 438} 439 440inline wxPoint2DDouble& wxPoint2DDouble::operator/=(const wxPoint2DDouble& pt) 441{ 442 m_x = m_x / pt.m_x; 443 m_y = m_y / pt.m_y; 444 return *this; 445} 446 447inline bool wxPoint2DDouble::operator==(const wxPoint2DDouble& pt) const 448{ 449 return wxIsSameDouble(m_x, pt.m_x) && wxIsSameDouble(m_y, pt.m_y); 450} 451 452inline bool wxPoint2DDouble::operator!=(const wxPoint2DDouble& pt) const 453{ 454 return !(*this == pt); 455} 456 457inline wxPoint2DDouble operator+(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) 458{ 459 return wxPoint2DDouble( pt1.m_x + pt2.m_x , pt1.m_y + pt2.m_y ); 460} 461 462inline wxPoint2DDouble operator-(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) 463{ 464 return wxPoint2DDouble( pt1.m_x - pt2.m_x , pt1.m_y - pt2.m_y ); 465} 466 467 468inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) 469{ 470 return wxPoint2DDouble( pt1.m_x * pt2.m_x , pt1.m_y * pt2.m_y ); 471} 472 473inline wxPoint2DDouble operator*(wxDouble n , const wxPoint2DDouble& pt) 474{ 475 return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ); 476} 477 478inline wxPoint2DDouble operator*(wxInt32 n , const wxPoint2DDouble& pt) 479{ 480 return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ); 481} 482 483inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxDouble n) 484{ 485 return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ); 486} 487 488inline wxPoint2DDouble operator*(const wxPoint2DDouble& pt , wxInt32 n) 489{ 490 return wxPoint2DDouble( pt.m_x * n , pt.m_y * n ); 491} 492 493inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt1 , const wxPoint2DDouble& pt2) 494{ 495 return wxPoint2DDouble( pt1.m_x / pt2.m_x , pt1.m_y / pt2.m_y ); 496} 497 498inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxDouble n) 499{ 500 return wxPoint2DDouble( pt.m_x / n , pt.m_y / n ); 501} 502 503inline wxPoint2DDouble operator/(const wxPoint2DDouble& pt , wxInt32 n) 504{ 505 return wxPoint2DDouble( pt.m_x / n , pt.m_y / n ); 506} 507 508// wxRect2Ds are a axis-aligned rectangles, each side of the rect is parallel to the x- or m_y- axis. The rectangle is either defined by the 509// top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if 510// left <= x < right and top <= m_y < bottom , thus it is a half open interval. 511 512class WXDLLEXPORT wxRect2DDouble 513{ 514public: 515 wxRect2DDouble() 516 { m_x = m_y = m_width = m_height = 0; } 517 wxRect2DDouble(wxDouble x, wxDouble y, wxDouble w, wxDouble h) 518 { m_x = x; m_y = y; m_width = w; m_height = h; } 519/* 520 wxRect2DDouble(const wxPoint2DDouble& topLeft, const wxPoint2DDouble& bottomRight); 521 wxRect2DDouble(const wxPoint2DDouble& pos, const wxSize& size); 522 wxRect2DDouble(const wxRect2DDouble& rect); 523*/ 524 // single attribute accessors 525 526 inline wxPoint2DDouble GetPosition() 527 { return wxPoint2DDouble(m_x, m_y); } 528 inline wxSize GetSize() 529 { return wxSize((int) m_width, (int) m_height); } 530 531 // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their 532 // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately 533 534 inline wxDouble GetLeft() const { return m_x; } 535 inline void SetLeft( wxDouble n ) { m_width += m_x - n; m_x = n; } 536 inline void MoveLeftTo( wxDouble n ) { m_x = n; } 537 inline wxDouble GetTop() const { return m_y; } 538 inline void SetTop( wxDouble n ) { m_height += m_y - n; m_y = n; } 539 inline void MoveTopTo( wxDouble n ) { m_y = n; } 540 inline wxDouble GetBottom() const { return m_y + m_height; } 541 inline void SetBottom( wxDouble n ) { m_height += n - (m_y+m_height);} 542 inline void MoveBottomTo( wxDouble n ) { m_y = n - m_height; } 543 inline wxDouble GetRight() const { return m_x + m_width; } 544 inline void SetRight( wxDouble n ) { m_width += n - (m_x+m_width) ; } 545 inline void MoveRightTo( wxDouble n ) { m_x = n - m_width; } 546 547 inline wxPoint2DDouble GetLeftTop() const 548 { return wxPoint2DDouble( m_x , m_y ); } 549 inline void SetLeftTop( const wxPoint2DDouble &pt ) 550 { m_width += m_x - pt.m_x; m_height += m_y - pt.m_y; m_x = pt.m_x; m_y = pt.m_y; } 551 inline void MoveLeftTopTo( const wxPoint2DDouble &pt ) 552 { m_x = pt.m_x; m_y = pt.m_y; } 553 inline wxPoint2DDouble GetLeftBottom() const 554 { return wxPoint2DDouble( m_x , m_y + m_height ); } 555 inline void SetLeftBottom( const wxPoint2DDouble &pt ) 556 { m_width += m_x - pt.m_x; m_height += pt.m_y - (m_y+m_height) ; m_x = pt.m_x; } 557 inline void MoveLeftBottomTo( const wxPoint2DDouble &pt ) 558 { m_x = pt.m_x; m_y = pt.m_y - m_height; } 559 inline wxPoint2DDouble GetRightTop() const 560 { return wxPoint2DDouble( m_x+m_width , m_y ); } 561 inline void SetRightTop( const wxPoint2DDouble &pt ) 562 { m_width += pt.m_x - ( m_x + m_width ); m_height += m_y - pt.m_y; m_y = pt.m_y; } 563 inline void MoveRightTopTo( const wxPoint2DDouble &pt ) 564 { m_x = pt.m_x - m_width; m_y = pt.m_y; } 565 inline wxPoint2DDouble GetRightBottom() const 566 { return wxPoint2DDouble( m_x+m_width , m_y + m_height ); } 567 inline void SetRightBottom( const wxPoint2DDouble &pt ) 568 { m_width += pt.m_x - ( m_x + m_width ); m_height += pt.m_y - (m_y+m_height);} 569 inline void MoveRightBottomTo( const wxPoint2DDouble &pt ) 570 { m_x = pt.m_x - m_width; m_y = pt.m_y - m_height; } 571 inline wxPoint2DDouble GetCentre() const 572 { return wxPoint2DDouble( m_x+m_width/2 , m_y+m_height/2 ); } 573 inline void SetCentre( const wxPoint2DDouble &pt ) 574 { MoveCentreTo( pt ); } // since this is impossible without moving... 575 inline void MoveCentreTo( const wxPoint2DDouble &pt ) 576 { m_x += pt.m_x - (m_x+m_width/2) , m_y += pt.m_y -(m_y+m_height/2); } 577 inline wxOutCode GetOutCode( const wxPoint2DDouble &pt ) const 578 { return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) + 579 ( ( pt.m_x > m_x + m_width ) ? wxOutRight : 0 ) + 580 ( ( pt.m_y < m_y ) ? wxOutTop : 0 ) + 581 ( ( pt.m_y > m_y + m_height ) ? wxOutBottom : 0 )); } 582 inline wxOutCode GetOutcode(const wxPoint2DDouble &pt) const 583 { return GetOutCode(pt) ; } 584 inline bool Contains( const wxPoint2DDouble &pt ) const 585 { return GetOutCode( pt ) == wxInside; } 586 inline bool Contains( const wxRect2DDouble &rect ) const 587 { return ( ( ( m_x <= rect.m_x ) && ( rect.m_x + rect.m_width <= m_x + m_width ) ) && 588 ( ( m_y <= rect.m_y ) && ( rect.m_y + rect.m_height <= m_y + m_height ) ) ); } 589 inline bool IsEmpty() const 590 { return m_width <= 0 || m_height <= 0; } 591 inline bool HaveEqualSize( const wxRect2DDouble &rect ) const 592 { return wxIsSameDouble(rect.m_width, m_width) && wxIsSameDouble(rect.m_height, m_height); } 593 594 inline void Inset( wxDouble x , wxDouble y ) 595 { m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; } 596 inline void Inset( wxDouble left , wxDouble top ,wxDouble right , wxDouble bottom ) 597 { m_x += left; m_y += top; m_width -= left + right; m_height -= top + bottom;} 598 inline void Offset( const wxPoint2DDouble &pt ) 599 { m_x += pt.m_x; m_y += pt.m_y; } 600 601 void ConstrainTo( const wxRect2DDouble &rect ); 602 603 inline wxPoint2DDouble Interpolate( wxInt32 widthfactor , wxInt32 heightfactor ) 604 { return wxPoint2DDouble( m_x + m_width * widthfactor , m_y + m_height * heightfactor ); } 605 606 static void Intersect( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest ); 607 inline void Intersect( const wxRect2DDouble &otherRect ) 608 { Intersect( *this , otherRect , this ); } 609 inline wxRect2DDouble CreateIntersection( const wxRect2DDouble &otherRect ) const 610 { wxRect2DDouble result; Intersect( *this , otherRect , &result); return result; } 611 bool Intersects( const wxRect2DDouble &rect ) const; 612 613 static void Union( const wxRect2DDouble &src1 , const wxRect2DDouble &src2 , wxRect2DDouble *dest ); 614 void Union( const wxRect2DDouble &otherRect ) 615 { Union( *this , otherRect , this ); } 616 void Union( const wxPoint2DDouble &pt ); 617 inline wxRect2DDouble CreateUnion( const wxRect2DDouble &otherRect ) const 618 { wxRect2DDouble result; Union( *this , otherRect , &result); return result; } 619 620 inline void Scale( wxDouble f ) 621 { m_x *= f; m_y *= f; m_width *= f; m_height *= f;} 622 inline void Scale( wxInt32 num , wxInt32 denum ) 623 { m_x *= ((wxDouble)num)/((wxDouble)denum); m_y *= ((wxDouble)num)/((wxDouble)denum); 624 m_width *= ((wxDouble)num)/((wxDouble)denum); m_height *= ((wxDouble)num)/((wxDouble)denum);} 625 626 wxRect2DDouble& operator = (const wxRect2DDouble& rect); 627 inline bool operator == (const wxRect2DDouble& rect) const 628 { return wxIsSameDouble(m_x, rect.m_x) && wxIsSameDouble(m_y, rect.m_y) && HaveEqualSize(rect); } 629 inline bool operator != (const wxRect2DDouble& rect) const 630 { return !(*this == rect); } 631 632 wxDouble m_x; 633 wxDouble m_y; 634 wxDouble m_width; 635 wxDouble m_height; 636}; 637 638 639// wxRect2Ds are a axis-aligned rectangles, each side of the rect is parallel to the x- or m_y- axis. The rectangle is either defined by the 640// top left and bottom right corner, or by the top left corner and size. A point is contained within the rectangle if 641// left <= x < right and top <= m_y < bottom , thus it is a half open interval. 642 643class WXDLLEXPORT wxRect2DInt 644{ 645public: 646 wxRect2DInt() { m_x = m_y = m_width = m_height = 0; } 647 wxRect2DInt( const wxRect& r ) { m_x = r.x ; m_y = r.y ; m_width = r.width ; m_height = r.height ; } 648 wxRect2DInt(wxInt32 x, wxInt32 y, wxInt32 w, wxInt32 h) { m_x = x; m_y = y; m_width = w; m_height = h; } 649 wxRect2DInt(const wxPoint2DInt& topLeft, const wxPoint2DInt& bottomRight); 650 inline wxRect2DInt(const wxPoint2DInt& pos, const wxSize& size); 651 inline wxRect2DInt(const wxRect2DInt& rect); 652 653 // single attribute accessors 654 655 inline wxPoint2DInt GetPosition() { return wxPoint2DInt(m_x, m_y); } 656 inline wxSize GetSize() { return wxSize(m_width, m_height); } 657 658 // for the edge and corner accessors there are two setters conterparts, the Set.. functions keep the other corners at their 659 // position whenever sensible, the Move.. functions keep the size of the rect and move the other corners apropriately 660 661 inline wxInt32 GetLeft() const { return m_x; } 662 inline void SetLeft( wxInt32 n ) { m_width += m_x - n; m_x = n; } 663 inline void MoveLeftTo( wxInt32 n ) { m_x = n; } 664 inline wxInt32 GetTop() const { return m_y; } 665 inline void SetTop( wxInt32 n ) { m_height += m_y - n; m_y = n; } 666 inline void MoveTopTo( wxInt32 n ) { m_y = n; } 667 inline wxInt32 GetBottom() const { return m_y + m_height; } 668 inline void SetBottom( wxInt32 n ) { m_height += n - (m_y+m_height);} 669 inline void MoveBottomTo( wxInt32 n ) { m_y = n - m_height; } 670 inline wxInt32 GetRight() const { return m_x + m_width; } 671 inline void SetRight( wxInt32 n ) { m_width += n - (m_x+m_width) ; } 672 inline void MoveRightTo( wxInt32 n ) { m_x = n - m_width; } 673 674 inline wxPoint2DInt GetLeftTop() const { return wxPoint2DInt( m_x , m_y ); } 675 inline void SetLeftTop( const wxPoint2DInt &pt ) { m_width += m_x - pt.m_x; m_height += m_y - pt.m_y; m_x = pt.m_x; m_y = pt.m_y; } 676 inline void MoveLeftTopTo( const wxPoint2DInt &pt ) { m_x = pt.m_x; m_y = pt.m_y; } 677 inline wxPoint2DInt GetLeftBottom() const { return wxPoint2DInt( m_x , m_y + m_height ); } 678 inline void SetLeftBottom( const wxPoint2DInt &pt ) { m_width += m_x - pt.m_x; m_height += pt.m_y - (m_y+m_height) ; m_x = pt.m_x; } 679 inline void MoveLeftBottomTo( const wxPoint2DInt &pt ) { m_x = pt.m_x; m_y = pt.m_y - m_height; } 680 inline wxPoint2DInt GetRightTop() const { return wxPoint2DInt( m_x+m_width , m_y ); } 681 inline void SetRightTop( const wxPoint2DInt &pt ) { m_width += pt.m_x - ( m_x + m_width ); m_height += m_y - pt.m_y; m_y = pt.m_y; } 682 inline void MoveRightTopTo( const wxPoint2DInt &pt ) { m_x = pt.m_x - m_width; m_y = pt.m_y; } 683 inline wxPoint2DInt GetRightBottom() const { return wxPoint2DInt( m_x+m_width , m_y + m_height ); } 684 inline void SetRightBottom( const wxPoint2DInt &pt ) { m_width += pt.m_x - ( m_x + m_width ); m_height += pt.m_y - (m_y+m_height);} 685 inline void MoveRightBottomTo( const wxPoint2DInt &pt ) { m_x = pt.m_x - m_width; m_y = pt.m_y - m_height; } 686 inline wxPoint2DInt GetCentre() const { return wxPoint2DInt( m_x+m_width/2 , m_y+m_height/2 ); } 687 inline void SetCentre( const wxPoint2DInt &pt ) { MoveCentreTo( pt ); } // since this is impossible without moving... 688 inline void MoveCentreTo( const wxPoint2DInt &pt ) { m_x += pt.m_x - (m_x+m_width/2) , m_y += pt.m_y -(m_y+m_height/2); } 689 inline wxOutCode GetOutCode( const wxPoint2DInt &pt ) const 690 { return (wxOutCode) (( ( pt.m_x < m_x ) ? wxOutLeft : 0 ) + 691 ( ( pt.m_x >= m_x + m_width ) ? wxOutRight : 0 ) + 692 ( ( pt.m_y < m_y ) ? wxOutTop : 0 ) + 693 ( ( pt.m_y >= m_y + m_height ) ? wxOutBottom : 0 )); } 694 inline wxOutCode GetOutcode( const wxPoint2DInt &pt ) const 695 { return GetOutCode( pt ) ; } 696 inline bool Contains( const wxPoint2DInt &pt ) const 697 { return GetOutCode( pt ) == wxInside; } 698 inline bool Contains( const wxRect2DInt &rect ) const 699 { return ( ( ( m_x <= rect.m_x ) && ( rect.m_x + rect.m_width <= m_x + m_width ) ) && 700 ( ( m_y <= rect.m_y ) && ( rect.m_y + rect.m_height <= m_y + m_height ) ) ); } 701 inline bool IsEmpty() const 702 { return ( m_width <= 0 || m_height <= 0 ); } 703 inline bool HaveEqualSize( const wxRect2DInt &rect ) const 704 { return ( rect.m_width == m_width && rect.m_height == m_height ); } 705 706 inline void Inset( wxInt32 x , wxInt32 y ) { m_x += x; m_y += y; m_width -= 2 * x; m_height -= 2 * y; } 707 inline void Inset( wxInt32 left , wxInt32 top ,wxInt32 right , wxInt32 bottom ) 708 { m_x += left; m_y += top; m_width -= left + right; m_height -= top + bottom;} 709 inline void Offset( const wxPoint2DInt &pt ) { m_x += pt.m_x; m_y += pt.m_y; } 710 void ConstrainTo( const wxRect2DInt &rect ); 711 inline wxPoint2DInt Interpolate( wxInt32 widthfactor , wxInt32 heightfactor ) { return wxPoint2DInt( m_x + m_width * widthfactor , m_y + m_height * heightfactor ); } 712 713 static void Intersect( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest ); 714 inline void Intersect( const wxRect2DInt &otherRect ) { Intersect( *this , otherRect , this ); } 715 inline wxRect2DInt CreateIntersection( const wxRect2DInt &otherRect ) const { wxRect2DInt result; Intersect( *this , otherRect , &result); return result; } 716 bool Intersects( const wxRect2DInt &rect ) const; 717 718 static void Union( const wxRect2DInt &src1 , const wxRect2DInt &src2 , wxRect2DInt *dest ); 719 void Union( const wxRect2DInt &otherRect ) { Union( *this , otherRect , this ); } 720 void Union( const wxPoint2DInt &pt ); 721 inline wxRect2DInt CreateUnion( const wxRect2DInt &otherRect ) const { wxRect2DInt result; Union( *this , otherRect , &result); return result; } 722 723 inline void Scale( wxInt32 f ) { m_x *= f; m_y *= f; m_width *= f; m_height *= f;} 724 inline void Scale( wxInt32 num , wxInt32 denum ) 725 { m_x *= ((wxInt32)num)/((wxInt32)denum); m_y *= ((wxInt32)num)/((wxInt32)denum); 726 m_width *= ((wxInt32)num)/((wxInt32)denum); m_height *= ((wxInt32)num)/((wxInt32)denum);} 727 728 wxRect2DInt& operator = (const wxRect2DInt& rect); 729 bool operator == (const wxRect2DInt& rect) const; 730 bool operator != (const wxRect2DInt& rect) const; 731 732#if wxUSE_STREAMS 733 void WriteTo( wxDataOutputStream &stream ) const; 734 void ReadFrom( wxDataInputStream &stream ); 735#endif // wxUSE_STREAMS 736 737 wxInt32 m_x; 738 wxInt32 m_y; 739 wxInt32 m_width; 740 wxInt32 m_height; 741}; 742 743inline wxRect2DInt::wxRect2DInt( const wxRect2DInt &r ) 744{ 745 m_x = r.m_x; 746 m_y = r.m_y; 747 m_width = r.m_width; 748 m_height = r.m_height; 749} 750 751inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt &a , const wxPoint2DInt &b) 752{ 753 m_x = wxMin( a.m_x , b.m_x ); 754 m_y = wxMin( a.m_y , b.m_y ); 755 m_width = abs( a.m_x - b.m_x ); 756 m_height = abs( a.m_y - b.m_y ); 757} 758 759inline wxRect2DInt::wxRect2DInt( const wxPoint2DInt& pos, const wxSize& size) 760{ 761 m_x = pos.m_x; 762 m_y = pos.m_y; 763 m_width = size.x; 764 m_height = size.y; 765} 766 767inline bool wxRect2DInt::operator == (const wxRect2DInt& rect) const 768{ 769 return (m_x==rect.m_x && m_y==rect.m_y && 770 m_width==rect.m_width && m_height==rect.m_height); 771} 772 773inline bool wxRect2DInt::operator != (const wxRect2DInt& rect) const 774{ 775 return !(*this == rect); 776} 777 778class wxTransform2D 779{ 780public : 781 virtual ~wxTransform2D() { } 782 virtual void Transform( wxPoint2DInt* pt )const = 0; 783 virtual void Transform( wxRect2DInt* r ) const; 784 virtual wxPoint2DInt Transform( const wxPoint2DInt &pt ) const; 785 virtual wxRect2DInt Transform( const wxRect2DInt &r ) const ; 786 787 virtual void InverseTransform( wxPoint2DInt* pt ) const = 0; 788 virtual void InverseTransform( wxRect2DInt* r ) const ; 789 virtual wxPoint2DInt InverseTransform( const wxPoint2DInt &pt ) const ; 790 virtual wxRect2DInt InverseTransform( const wxRect2DInt &r ) const ; 791}; 792 793inline void wxTransform2D::Transform( wxRect2DInt* r ) const 794 { wxPoint2DInt a = r->GetLeftTop() , b = r->GetRightBottom(); Transform( &a ); Transform( &b ); *r = wxRect2DInt( a , b ); } 795 796inline wxPoint2DInt wxTransform2D::Transform( const wxPoint2DInt &pt ) const 797 { wxPoint2DInt res = pt; Transform( &res ); return res; } 798 799inline wxRect2DInt wxTransform2D::Transform( const wxRect2DInt &r ) const 800 { wxRect2DInt res = r; Transform( &res ); return res; } 801 802inline void wxTransform2D::InverseTransform( wxRect2DInt* r ) const 803 { wxPoint2DInt a = r->GetLeftTop() , b = r->GetRightBottom(); InverseTransform( &a ); InverseTransform( &b ); *r = wxRect2DInt( a , b ); } 804 805inline wxPoint2DInt wxTransform2D::InverseTransform( const wxPoint2DInt &pt ) const 806 { wxPoint2DInt res = pt; InverseTransform( &res ); return res; } 807 808inline wxRect2DInt wxTransform2D::InverseTransform( const wxRect2DInt &r ) const 809 { wxRect2DInt res = r; InverseTransform( &res ); return res; } 810 811 812#endif // wxUSE_GEOMETRY 813 814#endif // _WX_GEOMETRY_H_ 815