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00001 //***************************************************************************** 00011 //***************************************************************************** 00012 00013 #if (_MSC_VER > 1000) || defined(SGI_COMPILER) 00014 #pragma once 00015 #endif 00016 00017 #ifndef __XSICOLOR4F_H__ 00018 #define __XSICOLOR4F_H__ 00019 00020 #include "sicppsdk.h" 00021 #include <xsi_math.h> 00022 00023 namespace XSI { 00024 00025 namespace MATH { 00026 00027 //***************************************************************************** 00032 //***************************************************************************** 00033 class CColor4f 00034 { 00035 public: 00038 enum Type 00039 { 00040 siRGBA, 00041 siHSVA, 00042 siHLSA, 00043 }; 00044 00046 SICPPSDK_INLINE CColor4f(); 00047 00054 SICPPSDK_INLINE CColor4f(float in_R, float in_G, float in_B, float in_A); 00055 00063 SICPPSDK_INLINE CColor4f(float in_Arg1, float in_Arg2, float in_Arg3, float in_A, Type in_eColorType ); 00064 00068 SICPPSDK_INLINE CColor4f( const CColor4f& in_color ); 00069 00071 ~CColor4f() {}; 00072 00079 SICPPSDK_INLINE void Set(float in_R,float in_G,float in_B,float in_A); 00080 00088 SICPPSDK_INLINE void Set( float in_Arg1, float in_Arg2, float in_Arg3, float in_A, Type in_eColorType ); 00089 00094 SICPPSDK_INLINE float& PutR( const float in_R ); 00095 00100 SICPPSDK_INLINE float& PutG( const float in_G ); 00101 00106 SICPPSDK_INLINE float& PutB( const float in_B ); 00107 00112 SICPPSDK_INLINE float& PutA( const float in_A ); 00113 00120 SICPPSDK_INLINE void GetAsRGBA( float &out_R, float &out_G, float &out_B, float &out_A ) const; 00121 00128 SICPPSDK_INLINE void GetAsHLSA( float &out_H, float &out_L, float &out_S, float &out_A ) const; 00129 00136 SICPPSDK_INLINE void GetAsHSVA( float &out_H, float &out_S, float &out_V, float &out_A) const; 00137 00141 SICPPSDK_INLINE float GetH() const; 00142 00146 SICPPSDK_INLINE float GetL() const; 00147 00151 SICPPSDK_INLINE float GetS_HSVA() const; 00152 00156 SICPPSDK_INLINE float GetS_HLSA() const; 00157 00161 SICPPSDK_INLINE float GetV() const; 00162 00166 SICPPSDK_INLINE float& GetR(); 00167 00171 SICPPSDK_INLINE float& GetG(); 00172 00176 SICPPSDK_INLINE float& GetB(); 00177 00181 SICPPSDK_INLINE float& GetA(); 00182 00186 SICPPSDK_INLINE float* GetRGBA(); 00187 00191 SICPPSDK_INLINE const float& GetR()const; 00192 00196 SICPPSDK_INLINE const float& GetG()const; 00197 00201 SICPPSDK_INLINE const float& GetB()const; 00202 00206 SICPPSDK_INLINE const float& GetA()const; 00207 00211 SICPPSDK_INLINE const float* GetRGBA()const; 00212 00216 SICPPSDK_INLINE operator float*(); 00217 00221 SICPPSDK_INLINE bool operator==(const CColor4f& in_rColor4f )const; 00222 00226 SICPPSDK_INLINE bool operator!=(const CColor4f& in_rColor4f )const ; 00227 00235 SICPPSDK_INLINE bool operator < (const CColor4f& in_rColor4f )const; 00236 00241 SICPPSDK_INLINE bool IsNull(float in_fEpsilon) const; 00242 00247 SICPPSDK_INLINE CColor4f& Add(const CColor4f& in_col); 00248 00253 SICPPSDK_INLINE CColor4f& Mul(float in_fFactor); 00254 00259 SICPPSDK_INLINE CColor4f& Mul( const CColor4f& in_col ); 00260 00265 SICPPSDK_INLINE CColor4f& Sub( const CColor4f& in_col ); 00266 00270 SICPPSDK_INLINE CColor4f& Negate(); 00271 00275 SICPPSDK_INLINE void PutNull(); 00276 00280 SICPPSDK_INLINE float GetBrightness()const; 00281 00285 SICPPSDK_INLINE float GetBrightnessWithAlpha()const; 00286 00290 SICPPSDK_INLINE float GetGrayscale()const; 00291 00295 SICPPSDK_INLINE float GetGrayscaleWithAlpha()const; 00296 00300 SICPPSDK_INLINE CColor4f& InverseRGB(); 00301 00302 private: 00303 SICPPSDK_INLINE LONG RoundDown(float a) const; 00304 SICPPSDK_INLINE void MinMax( float& out_fMin, float& out_fMax ) const; 00305 SICPPSDK_INLINE bool AreAlmostEqual(const CColor4f& in_c1,const CColor4f& in_c2,const float in_fEpsilon = MicroEPS); 00306 00307 enum Component 00308 { 00309 R=0,G,B,A,N 00310 }; 00311 float m_RGBA[4]; 00312 }; 00313 00314 SICPPSDK_INLINE CColor4f::CColor4f() 00315 { 00316 m_RGBA[R] = 0.0f; 00317 m_RGBA[G] = 0.0f; 00318 m_RGBA[B] = 0.0f; 00319 m_RGBA[A] = 0.0f; 00320 } 00321 00322 SICPPSDK_INLINE CColor4f::CColor4f(float in_R, float in_G, float in_B, float in_A) 00323 { 00324 m_RGBA[R] = in_R; 00325 m_RGBA[G] = in_G; 00326 m_RGBA[B] = in_B; 00327 m_RGBA[A] = in_A; 00328 } 00329 00330 SICPPSDK_INLINE CColor4f::CColor4f(float in_Arg1, float in_Arg2, float in_Arg3, float in_A, Type in_eColorType ) 00331 { 00332 Set( in_Arg1, in_Arg2, in_Arg3, in_A, in_eColorType ); 00333 } 00334 00335 SICPPSDK_INLINE CColor4f::CColor4f( const CColor4f& in_color ) 00336 { 00337 const float* pRGBA = in_color.GetRGBA(); 00338 if (pRGBA) 00339 { 00340 Set( pRGBA[R], pRGBA[G], pRGBA[B], pRGBA[A], siRGBA ); 00341 } 00342 } 00343 00344 SICPPSDK_INLINE void CColor4f::Set(float in_R,float in_G,float in_B,float in_A) 00345 { 00346 GetR()=in_R; 00347 GetG()=in_G; 00348 GetB()=in_B; 00349 GetA()=in_A; 00350 } 00351 00352 SICPPSDK_INLINE float& CColor4f::PutR( const float in_R ){return m_RGBA[R] = in_R;} 00353 SICPPSDK_INLINE float& CColor4f::PutG( const float in_G ){return m_RGBA[G] = in_G;} 00354 SICPPSDK_INLINE float& CColor4f::PutB( const float in_B ){return m_RGBA[B] = in_B;} 00355 SICPPSDK_INLINE float& CColor4f::PutA( const float in_A ){return m_RGBA[A] = in_A;} 00356 00357 SICPPSDK_INLINE void CColor4f::Set( float in_Arg1, float in_Arg2, float in_Arg3, float in_A, Type in_eColorType ) 00358 { 00359 m_RGBA[A] = in_A; 00360 00361 switch( in_eColorType ) 00362 { 00363 case siRGBA: 00364 { 00365 m_RGBA[R] = in_Arg1; 00366 m_RGBA[G] = in_Arg2; 00367 m_RGBA[B] = in_Arg3; 00368 break; 00369 } 00370 case siHSVA: 00371 { 00372 if (in_Arg2 == 0.0) 00373 { 00374 m_RGBA[R] = in_Arg3; 00375 m_RGBA[G] = in_Arg3; 00376 m_RGBA[B] = in_Arg3; 00377 } 00378 else 00379 { 00380 in_Arg1 *= (float)( 360.0/60.0 ); 00381 00382 ULONG l_ulHueI = (ULONG)RoundDown(in_Arg1); 00383 float l_fHueF = in_Arg1 - l_ulHueI; 00384 00385 float l_fP = in_Arg3 * (1.0f - in_Arg2); 00386 float l_fQ = in_Arg3 * (1.0f - (in_Arg2*l_fHueF)); 00387 float l_fT = in_Arg3 * (1.0f - (in_Arg2*(1.0f-l_fHueF))); 00388 00389 switch (l_ulHueI) 00390 { 00391 case 0 : 00392 case 6 : m_RGBA[R] = in_Arg3; m_RGBA[G] = l_fT; m_RGBA[B] = l_fP; 00393 break; 00394 case 1 : m_RGBA[R] = l_fQ; m_RGBA[G] = in_Arg3; m_RGBA[B] = l_fP; 00395 break; 00396 case 2 : m_RGBA[R] = l_fP; m_RGBA[G] = in_Arg3; m_RGBA[B] = l_fT; 00397 break; 00398 case 3 : m_RGBA[R] = l_fP; m_RGBA[G] = l_fQ; m_RGBA[B] = in_Arg3; 00399 break; 00400 case 4 : m_RGBA[R] = l_fT; m_RGBA[G] = l_fP; m_RGBA[B] = in_Arg3; 00401 break; 00402 case 5 : m_RGBA[R] = in_Arg3; m_RGBA[G] = l_fP; m_RGBA[B] = l_fQ; 00403 break; 00404 } 00405 } 00406 00407 break; 00408 } 00409 case siHLSA: 00410 { 00411 float l_fMax; 00412 00413 if (in_Arg2 <= 0.5) 00414 l_fMax = in_Arg2 * (1.0f + in_Arg3); 00415 else 00416 l_fMax = in_Arg2 + in_Arg3 - (in_Arg2 * in_Arg3); 00417 00418 if (l_fMax == 0.0f) 00419 { 00420 m_RGBA[R] = m_RGBA[G] = m_RGBA[B] = 0.0f; 00421 } 00422 else 00423 { 00424 in_Arg1 *= (float)( 360.0/60.0 ); 00425 00426 ULONG l_ulHueI = (ULONG)RoundDown(in_Arg1); 00427 float l_fHueF = in_Arg1 - l_ulHueI; 00428 00429 float l_fMin = 2.0f*in_Arg2 - l_fMax; 00430 float l_fQ = l_fMax - ((l_fMax-l_fMin)*l_fHueF); 00431 float l_fT = l_fMin + ((l_fMax-l_fMin)*l_fHueF); 00432 00433 switch (l_ulHueI) 00434 { 00435 case 0 : 00436 case 6 : m_RGBA[R] = l_fMax; m_RGBA[G] = l_fT; m_RGBA[B] = l_fMin; 00437 break; 00438 case 1 : m_RGBA[R] = l_fQ; m_RGBA[G] = l_fMax; m_RGBA[B] = l_fMin; 00439 break; 00440 case 2 : m_RGBA[R] = l_fMin; m_RGBA[G] = l_fMax; m_RGBA[B] = l_fT; 00441 break; 00442 case 3 : m_RGBA[R] = l_fMin; m_RGBA[G] = l_fQ; m_RGBA[B] = l_fMax; 00443 break; 00444 case 4 : m_RGBA[R] = l_fT; m_RGBA[G] = l_fMin; m_RGBA[B] = l_fMax; 00445 break; 00446 case 5 : m_RGBA[R] = l_fMax; m_RGBA[G] = l_fMin; m_RGBA[B] = l_fQ; 00447 break; 00448 } 00449 } 00450 break; 00451 } 00452 default: 00453 assert( false ); 00454 } 00455 } 00456 00457 SICPPSDK_INLINE void CColor4f::GetAsRGBA( float &out_fRed, float &out_fGreen, float &out_fBlue, float &out_fAlpha ) const 00458 { 00459 out_fRed = m_RGBA[R]; out_fGreen = m_RGBA[G]; out_fBlue = m_RGBA[B]; out_fAlpha = m_RGBA[A]; 00460 } 00461 00462 SICPPSDK_INLINE void CColor4f::GetAsHLSA( float &out_fHue, float &out_fLuminance, float &out_fSaturation, float &out_fAlpha ) const 00463 { 00464 out_fAlpha = m_RGBA[A]; 00465 00466 float l_fMax , l_fMin; 00467 MinMax( l_fMin, l_fMax ); 00468 float l_fDelta = l_fMax - l_fMin; 00469 00470 out_fLuminance = (l_fMin + l_fMax) / 2.0f; 00471 00472 if (l_fDelta == 0.0) 00473 out_fSaturation = 0.0; 00474 else 00475 { 00476 if (out_fLuminance <= 0.5f) 00477 out_fSaturation = l_fDelta / (l_fMin + l_fMax); 00478 else 00479 out_fSaturation = l_fDelta / (2.0f - (l_fMin + l_fMax)); 00480 } 00481 00482 if (out_fSaturation == 0.0f) 00483 out_fHue = 0; 00484 else 00485 { 00486 if (m_RGBA[R] == l_fMax) 00487 out_fHue = (m_RGBA[G]-m_RGBA[B])/l_fDelta; 00488 else if (m_RGBA[G] == l_fMax) 00489 out_fHue = 2+(m_RGBA[B]-m_RGBA[R])/l_fDelta; 00490 else 00491 out_fHue = 4+(m_RGBA[R]-m_RGBA[G])/l_fDelta; 00492 00493 out_fHue *= 60; 00494 00495 if (out_fHue < 0) 00496 out_fHue += 360.0; 00497 00498 out_fHue = out_fHue / 360.0f; 00499 } 00500 } 00501 00502 SICPPSDK_INLINE void CColor4f::GetAsHSVA( float &out_fHue, float &out_fSaturation, float &out_fValue, float &out_fAlpha ) const 00503 { 00504 out_fAlpha = m_RGBA[A]; 00505 00506 float l_fMax , l_fMin; 00507 MinMax( l_fMin, l_fMax ); 00508 float l_fDelta = l_fMax - l_fMin; 00509 00510 out_fValue = l_fMax; 00511 00512 if (l_fMax == 0.0) 00513 out_fSaturation = 0.0; 00514 else 00515 out_fSaturation = l_fDelta/l_fMax; 00516 00517 if (out_fSaturation == 0.0) 00518 { 00519 out_fHue = 0; 00520 } 00521 else 00522 { 00523 if (m_RGBA[R] == l_fMax) 00524 out_fHue = (m_RGBA[G]-m_RGBA[B])/l_fDelta; 00525 else if (m_RGBA[G] == l_fMax) 00526 out_fHue = 2+(m_RGBA[B]-m_RGBA[R])/l_fDelta; 00527 else 00528 out_fHue = 4+(m_RGBA[R]-m_RGBA[G])/l_fDelta; 00529 00530 out_fHue *= 60; 00531 00532 if (out_fHue < 0) 00533 out_fHue += 360.0; 00534 00535 out_fHue = out_fHue / 360.0f; 00536 } 00537 00538 } 00539 00540 SICPPSDK_INLINE float CColor4f::GetH() const 00541 { 00542 float l_fMax , l_fMin; 00543 MinMax( l_fMin, l_fMax ); 00544 float l_fDelta = l_fMax - l_fMin; 00545 00546 if (l_fMax == 0.0f || l_fDelta == 0.0f) 00547 { 00548 return 0.0f; 00549 } 00550 else 00551 { 00552 float l_fHue; 00553 if (m_RGBA[R] == l_fMax) 00554 l_fHue = (m_RGBA[G]-m_RGBA[B])/l_fDelta; 00555 else if (m_RGBA[G] == l_fMax) 00556 l_fHue = 2+(m_RGBA[B]-m_RGBA[R])/l_fDelta; 00557 else 00558 l_fHue = 4+(m_RGBA[R]-m_RGBA[G])/l_fDelta; 00559 00560 l_fHue *= 60; 00561 00562 if (l_fHue < 0) 00563 l_fHue += 360.0; 00564 00565 l_fHue = l_fHue / 360.0f; 00566 00567 return l_fHue; 00568 } 00569 } 00570 00571 SICPPSDK_INLINE float CColor4f::GetL() const 00572 { 00573 float l_fMax , l_fMin; 00574 MinMax( l_fMin, l_fMax ); 00575 00576 return (l_fMin + l_fMax) / 2.0f; 00577 } 00578 00579 SICPPSDK_INLINE float CColor4f::GetS_HSVA() const 00580 { 00581 float l_fMax , l_fMin; 00582 MinMax( l_fMin, l_fMax ); 00583 float l_fDelta = l_fMax - l_fMin; 00584 00585 // calculate Saturation 00586 if (l_fMax == 0.0) 00587 return 0.0; 00588 else 00589 return l_fDelta / l_fMax; 00590 } 00591 00592 SICPPSDK_INLINE float CColor4f::GetS_HLSA() const 00593 { 00594 float l_fMax , l_fMin; 00595 MinMax( l_fMin, l_fMax ); 00596 float l_fDelta = l_fMax - l_fMin; 00597 00598 // calculate Saturation 00599 if (l_fDelta == 0.0) 00600 return 0.0; 00601 else 00602 { 00603 float l_fSumMinMax = l_fMin + l_fMax ; 00604 if ( l_fSumMinMax <= 1.0f ) 00605 return l_fDelta / l_fSumMinMax; 00606 else 00607 return l_fDelta / (2.0f - l_fSumMinMax); 00608 } 00609 } 00610 00611 SICPPSDK_INLINE float CColor4f::GetV() const 00612 { 00613 if( m_RGBA[R] > m_RGBA[G] ) 00614 { 00615 if( m_RGBA[R] > m_RGBA[B] ) 00616 return m_RGBA[R]; 00617 else 00618 return m_RGBA[B]; 00619 } 00620 else 00621 { 00622 if( m_RGBA[G] > m_RGBA[B] ) 00623 return m_RGBA[G]; 00624 else 00625 return m_RGBA[B]; 00626 } 00627 } 00628 00629 SICPPSDK_INLINE float& CColor4f::GetR(){return m_RGBA[R];} 00630 SICPPSDK_INLINE float& CColor4f::GetG(){return m_RGBA[G];} 00631 SICPPSDK_INLINE float& CColor4f::GetB(){return m_RGBA[B];} 00632 SICPPSDK_INLINE float& CColor4f::GetA(){return m_RGBA[A];} 00633 00634 SICPPSDK_INLINE float* CColor4f::GetRGBA(){return m_RGBA;} 00635 00636 SICPPSDK_INLINE const float& CColor4f::GetR()const{return m_RGBA[R];} 00637 SICPPSDK_INLINE const float& CColor4f::GetG()const{return m_RGBA[G];} 00638 SICPPSDK_INLINE const float& CColor4f::GetB()const{return m_RGBA[B];} 00639 SICPPSDK_INLINE const float& CColor4f::GetA()const{return m_RGBA[A];} 00640 00641 SICPPSDK_INLINE const float* CColor4f::GetRGBA()const{return m_RGBA;} 00642 00643 SICPPSDK_INLINE CColor4f::operator float*(){return &(m_RGBA[0]);} 00644 00645 SICPPSDK_INLINE bool CColor4f::operator==(const CColor4f& in_rColor4f )const 00646 { 00647 return (m_RGBA[R] == in_rColor4f.m_RGBA[R]) && 00648 (m_RGBA[G] == in_rColor4f.m_RGBA[G]) && 00649 (m_RGBA[B] == in_rColor4f.m_RGBA[B]) && 00650 (m_RGBA[A] == in_rColor4f.m_RGBA[A]); 00651 } 00652 00653 SICPPSDK_INLINE bool CColor4f::operator!=(const CColor4f& in_rColor4f )const 00654 { 00655 return !( (m_RGBA[R] == in_rColor4f.m_RGBA[R]) && 00656 (m_RGBA[G] == in_rColor4f.m_RGBA[G]) && 00657 (m_RGBA[B] == in_rColor4f.m_RGBA[B]) && 00658 (m_RGBA[A] == in_rColor4f.m_RGBA[A])); 00659 } 00660 00661 SICPPSDK_INLINE bool CColor4f::operator < (const CColor4f& in_rColor4f )const 00662 { 00663 if (m_RGBA[A] != in_rColor4f.m_RGBA[A]) return m_RGBA[A] < in_rColor4f.m_RGBA[A]; 00664 if (m_RGBA[B] != in_rColor4f.m_RGBA[B]) return m_RGBA[B] < in_rColor4f.m_RGBA[B]; 00665 if (m_RGBA[G] != in_rColor4f.m_RGBA[G]) return m_RGBA[G] < in_rColor4f.m_RGBA[G]; 00666 if (m_RGBA[R] != in_rColor4f.m_RGBA[R]) return m_RGBA[R] < in_rColor4f.m_RGBA[R]; 00667 return false; 00668 } 00669 00670 SICPPSDK_INLINE bool CColor4f::IsNull(float in_fEpsilon) const 00671 { 00672 return fabsf( GetR() ) <= in_fEpsilon && 00673 fabsf( GetG() ) <= in_fEpsilon && 00674 fabsf( GetB() ) <= in_fEpsilon && 00675 fabsf( GetA() ) <= in_fEpsilon;} 00676 00677 SICPPSDK_INLINE CColor4f& CColor4f::Add(const CColor4f& in_col) 00678 { 00679 GetR() += in_col.GetR(); 00680 GetG() += in_col.GetG(); 00681 GetB() += in_col.GetB(); 00682 GetA() += in_col.GetA(); 00683 return *this; 00684 } 00685 00686 SICPPSDK_INLINE CColor4f& CColor4f::Mul(float in_fFactor) 00687 { 00688 GetR()*=in_fFactor; 00689 GetB()*=in_fFactor; 00690 GetG()*=in_fFactor; 00691 GetA()*=in_fFactor; 00692 return *this; 00693 } 00694 00695 SICPPSDK_INLINE CColor4f& CColor4f::Sub( const CColor4f& in_col ) 00696 { 00697 GetR() -= in_col.GetR(); 00698 GetG() -= in_col.GetG(); 00699 GetB() -= in_col.GetB(); 00700 GetA() -= in_col.GetA(); 00701 return *this; 00702 } 00703 00704 SICPPSDK_INLINE CColor4f& CColor4f::Mul( const CColor4f& in_col ) 00705 { 00706 GetR() *= in_col.GetR(); 00707 GetG() *= in_col.GetG(); 00708 GetB() *= in_col.GetB(); 00709 GetA() *= in_col.GetA(); 00710 return *this; 00711 } 00712 00713 SICPPSDK_INLINE CColor4f& CColor4f::Negate() 00714 { 00715 GetR()=-GetR(); 00716 GetG()=-GetG(); 00717 GetB()=-GetB(); 00718 GetA()=-GetA(); 00719 return *this; 00720 } 00721 00722 SICPPSDK_INLINE void CColor4f::PutNull() 00723 { 00724 GetR()=0; 00725 GetG()=0; 00726 GetB()=0; 00727 GetA()=0; 00728 } 00729 00730 SICPPSDK_INLINE float CColor4f::GetBrightness()const 00731 { 00732 return (GetR()+GetG()+GetB())*(1.0f/3.0f); 00733 } 00734 00735 SICPPSDK_INLINE float CColor4f::GetBrightnessWithAlpha()const 00736 { 00737 return GetBrightness()*GetA(); 00738 } 00739 00740 SICPPSDK_INLINE float CColor4f::GetGrayscale()const 00741 { 00742 return GetR()*0.3f+GetG()*0.59f+GetB()*0.11f; 00743 } 00744 00745 SICPPSDK_INLINE float CColor4f::GetGrayscaleWithAlpha()const 00746 { 00747 return GetGrayscale()*GetA(); 00748 } 00749 00750 SICPPSDK_INLINE CColor4f& CColor4f::InverseRGB() 00751 { 00752 GetR()=1.0f-GetR(); 00753 GetG()=1.0f-GetG(); 00754 GetB()=1.0f-GetB(); 00755 return *this; 00756 } 00757 00758 SICPPSDK_INLINE LONG CColor4f::RoundDown(float a) const 00759 { 00760 return (((a)<0) ? (((a)==(LONG)(a))?((LONG)(a)):((LONG)((a)-1))) : ((LONG)(a))); 00761 } 00762 00763 SICPPSDK_INLINE void CColor4f::MinMax( float& out_fMin, float& out_fMax ) const 00764 { 00765 if( m_RGBA[R] > m_RGBA[G] ) 00766 { 00767 if( m_RGBA[R] > m_RGBA[B] ) 00768 { 00769 out_fMax = m_RGBA[R]; 00770 00771 if( m_RGBA[B] > m_RGBA[G] ) 00772 out_fMin = m_RGBA[G]; 00773 else 00774 out_fMin = m_RGBA[B]; 00775 } 00776 else 00777 { 00778 out_fMax = m_RGBA[B]; 00779 out_fMin = m_RGBA[G]; 00780 } 00781 } 00782 else 00783 { 00784 if( m_RGBA[G] > m_RGBA[B] ) 00785 { 00786 out_fMax = m_RGBA[G]; 00787 00788 if( m_RGBA[B] > m_RGBA[R] ) 00789 out_fMin = m_RGBA[R]; 00790 else 00791 out_fMin = m_RGBA[B]; 00792 } 00793 else 00794 { 00795 out_fMax = m_RGBA[B]; 00796 out_fMin = m_RGBA[R]; 00797 } 00798 } 00799 } 00800 00801 SICPPSDK_INLINE bool CColor4f::AreAlmostEqual 00802 ( 00803 const CColor4f& in_c1, 00804 const CColor4f& in_c2, 00805 const float in_fEpsilon 00806 ) 00807 { 00808 return fabs( in_c1.GetR()-in_c2.GetR()) <= in_fEpsilon && 00809 fabs( in_c1.GetG()-in_c2.GetG()) <= in_fEpsilon && 00810 fabs(in_c1.GetB()-in_c2.GetB()) <= in_fEpsilon && 00811 fabs(in_c1.GetA()-in_c2.GetA()) <= in_fEpsilon; 00812 } 00813 00814 }; 00815 }; 00816 00817 #endif // __XSICOLOR4F_H__