// $Id: cnamecol.cpp 1282 2006-06-09 09:46:49Z alex $ // $Header: // CNamedColourReplacer class implementation /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Xara LX (see the file GPL in the root directory of the distribution); if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA ADDITIONAL RIGHTS ----------------- Conditional upon your continuing compliance with the GNU General Public License described above, Xara Group Ltd grants to you certain additional rights. The additional rights are to use, modify, and distribute the software together with the wxWidgets library, the wxXtra library, and the "CDraw" library and any other such library that any version of Xara LX relased by Xara Group Ltd requires in order to compile and execute, including the static linking of that library to XaraLX. In the case of the "CDraw" library, you may satisfy obligation under the GNU General Public License to provide source code by providing a binary copy of the library concerned and a copy of the license accompanying it. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ #include "camtypes.h" #include "cnamecol.h" //#include "fillval.h" - in camtypes.h [AUTOMATICALLY REMOVED] //#include "doccolor.h" - in camtypes.h [AUTOMATICALLY REMOVED] CC_IMPLEMENT_DYNCREATE(CNamedColourReplacer, CCObject); CC_IMPLEMENT_DYNCREATE(CHSVChanger, CNamedColourReplacer); CC_IMPLEMENT_DYNAMIC(CTransparencyReplacer, CCObject); const INT32 MAX_SAT_VALUE = 255; const INT32 MAX_HUE_VALUE = 360; const INT32 MIN_VALUE = 0; const INT32 MAX_TRANSPARENCY = 255; /*********************************************************************************************** > CNamedColourReplacer::CNamedColourReplacer() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: Constructor ***********************************************************************************************/ CNamedColourReplacer::CNamedColourReplacer() { m_pColourFill = NULL; m_pReplaceColour = NULL; } /*********************************************************************************************** > CNamedColourReplacer::CNamedColourReplacer(ColourFillAttribute* pFillAttr, DocColour* pColour) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pFillAttr - the attribute value that we want to replace the colours in pColour - the colour we wish to replace them with Purpose: Constructor with initialisation ***********************************************************************************************/ CNamedColourReplacer::CNamedColourReplacer(ColourFillAttribute* pFillAttr, DocColour* pColour) { // call the default constructor that NULLs all the member pointers CNamedColourReplacer::CNamedColourReplacer(); Initialise(pFillAttr, pColour); } /*********************************************************************************************** > CNamedColourReplacer::~CNamedColourReplacer() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: Destructor ***********************************************************************************************/ CNamedColourReplacer::~CNamedColourReplacer() { } /*********************************************************************************************** > CNamedColourReplacer::Initialise(ColourFillAttribute* pFillAttr, DocColour* pColour) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pFillAttr - the attribute value that we want to replace the colours in pColour - the colour we wish to replace them with Purpose: initialisation function. ***********************************************************************************************/ BOOL CNamedColourReplacer::Initialise(ColourFillAttribute* pFillAttr, DocColour* pColour) { if (pFillAttr == NULL || pColour == NULL) return FALSE; m_pColourFill = pFillAttr; m_pReplaceColour = pColour; return TRUE; } /*********************************************************************************************** > BOOL CNamedColourReplacer::IsInitialised() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Retuns: TRUE if our important members have been initialised, FALSE otherwise Purpose: as above ***********************************************************************************************/ BOOL CNamedColourReplacer::IsInitialised() { return ((m_pColourFill != NULL) && (m_pReplaceColour != NULL)); } /*********************************************************************************************** > BOOL CNamedColourReplacer::ReplaceColours() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: TRUE if all went well, FALSE if something went wrong Purpose: This function asks the colour fill for its start colour, checks to see if they are named, or if they were created by a named colour. If so it copies them and stores them. It then replaces them with our replacement colour. ***********************************************************************************************/ BOOL CNamedColourReplacer::ReplaceColours() { // PORTNOTETRACE("other","CNamedColourReplacer::ReplaceColours - do nothing"); //#ifndef EXCLUDE_FROM_XARALX if (m_pColourFill == NULL || m_pReplaceColour == NULL) { ERROR3("CNamedColourReplacer not initialised correctly"); return FALSE; } // we only replace the start colour, so as to maintain the effect on // 2/3/4 colour fills DocColour* pOrigStartCol = m_pColourFill->GetStartColour(); if (pOrigStartCol != NULL && pOrigStartCol->IsNamed()) { // we've got one, so stash the original and replace it m_StartColour = *pOrigStartCol; m_pColourFill->SetStartColour(m_pReplaceColour); } return TRUE; //#else // return FALSE; //#endif } /*********************************************************************************************** > BOOL CNamedColourReplacer::RestoreColours() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: TRUE if all went well, FALSE if something went wrong Purpose: This function assumes that ReplaceColours has been previously called. It uses its pointers to start and end colours to set colours in the attribute. ***********************************************************************************************/ BOOL CNamedColourReplacer::RestoreColours() { // PORTNOTETRACE("other","CNamedColourReplacer::RestoreColours - do nothing"); //#ifndef EXCLUDE_FROM_XARALX if (m_pColourFill == NULL) { ERROR3("Colour fill is NULL in CNamedColourReplacer::RestoreColours"); return FALSE; } // restore our colour if (m_StartColour.GetReservedFlag() == COL_NAMED) m_pColourFill->SetStartColour(&m_StartColour); return TRUE; //#else // return FALSE; //#endif } /*********************************************************************************************** > ColourFillAttribute* CNamedColourReplacer::GetColourFill() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: pointer to the attribute that we are replacing colours in Purpose: access fn. ***********************************************************************************************/ ColourFillAttribute* CNamedColourReplacer::GetColourFill() { return m_pColourFill; } /*********************************************************************************************** > BOOL CNamedColourReplacer::SetColourFill(ColourFillAttribute* pAttr) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pAttr - pointer to a colour fill attribute that we wish to replace the colours in Returns: TRUE, unless you pass in a duff pointer Purpose: access fn. ***********************************************************************************************/ BOOL CNamedColourReplacer::SetColourFill(ColourFillAttribute* pAttr) { if (pAttr == NULL) return FALSE; m_pColourFill = pAttr; return TRUE; } /*********************************************************************************************** > DocColour* CNamedColourReplacer::GetReplacementColour() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: pointer to the the colour we are using to replace Purpose: access fn. ***********************************************************************************************/ DocColour* CNamedColourReplacer::GetReplacementColour() { return m_pReplaceColour; } /*********************************************************************************************** > BOOL CNamedColourReplacer::SetReplacementColour(DocColour* pColour) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pColour - the colour we wish to set in our attribute Returns: TRUE, unless the colour is NULL Purpose: access fn. ***********************************************************************************************/ BOOL CNamedColourReplacer::SetReplacementColour(DocColour* pColour) { if (pColour == NULL) return FALSE; m_pReplaceColour = pColour; return TRUE; } /*----------------------------------------------------------------------------------------------- ------------------------------------------------------------------------------------------------- ------------------------------CSHVCHANGER CLASS IMPLEMENTATION----------------------------------- ------------------------------------------------------------------------------------------------*/ /*********************************************************************************************** > CHSVChanger::CHSVChanger() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: default constructor ***********************************************************************************************/ CHSVChanger::CHSVChanger() : CNamedColourReplacer() { m_HueMultiplier = 1.0; m_SaturationMultiplier = 1.0; m_ValueMultiplier = 1.0; m_HueIncrement = 0; m_SatIncrement = 0; } /*********************************************************************************************** > CHSVChanger::CHSVChanger() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: default constructor ***********************************************************************************************/ CHSVChanger::CHSVChanger(ColourFillAttribute* pFill, DocColour* pCol) : CNamedColourReplacer(pFill, pCol) { m_HueMultiplier = 1.0; m_SaturationMultiplier = 1.0; m_ValueMultiplier = 1.0; m_HueIncrement = 0; m_SatIncrement = 0; } /*********************************************************************************************** > CHSVChanger::~CHSVChanger() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: destructor ***********************************************************************************************/ CHSVChanger::~CHSVChanger() { // PORTNOTETRACE("other","CHSVChanger::~CHSVChanger - do nothing"); //#ifndef EXCLUDE_FROM_XARALX // have to do a hack here to ensure that we don't decrement the usage count on // indexed colours which we never incremented in the first place m_OrigStartCol.HackColReplacerPreDestruct(); m_OrigEndCol1.HackColReplacerPreDestruct(); m_OrigEndCol2.HackColReplacerPreDestruct(); m_OrigEndCol3.HackColReplacerPreDestruct(); //#endif } /*********************************************************************************************** > virtual BOOL CHSVChanger::ReplaceColours() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: TRUE if all went well, FALSE if something went wrong Purpose: This function asks the colour fill for its colours one by one, checks to see if they are named, or if they were created by a named colour. If so it copies them and stores them. It then replaces them with our replacement colour. ***********************************************************************************************/ BOOL CHSVChanger::ReplaceColours() { // if we also want to replace colours then do that first if (m_pReplaceColour != NULL) return CNamedColourReplacer::ReplaceColours(); return TRUE; } /*********************************************************************************************** > BOOL CHSVChanger::ChangeHSVValues() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: TRUE if all went well, FALSE if something went wrong Purpose: The raison d'etre of this object. Changes the HSV values of the member fill ***********************************************************************************************/ BOOL CHSVChanger::ChangeHSVValues() { if (m_pColourFill == NULL) { ERROR3("Colour fill is NULL in CHSVChanger::ChangeHSVValues"); return FALSE; } // we need to ask for the colours one by one DocColour* pStartCol = NULL; if (m_pReplaceColour != NULL) pStartCol = m_pReplaceColour; else pStartCol = m_pColourFill->GetStartColour(); if (pStartCol != NULL) { m_OrigStartCol = *pStartCol; ApplyIncrements(pStartCol); m_pColourFill->SetStartColour(pStartCol); } DocColour* pEndCol1 = m_pColourFill->GetEndColour(); if (pEndCol1 != NULL) { // first record our original values m_OrigEndCol1 = *pEndCol1; ApplyIncrements(pEndCol1); } DocColour* pEndCol2 = m_pColourFill->GetEndColour2(); if (pEndCol2 != NULL) { // first record our original values m_OrigEndCol2 = *pEndCol2; ApplyIncrements(pEndCol2); } DocColour* pEndCol3 = m_pColourFill->GetEndColour3(); if (pEndCol3 != NULL) { // first record our original values m_OrigEndCol3 = *pEndCol3; ApplyIncrements(pEndCol3); } return TRUE; } /*********************************************************************************************** > BOOL CHSVChanger::RestoreColours() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: TRUE if all went well, FALSE if something went wrong Purpose: Restores the colours that were changed ***********************************************************************************************/ BOOL CHSVChanger::RestoreColours() { if (m_pColourFill == NULL) return FALSE; // here we restore any named colours we replaced if (m_pReplaceColour != NULL) return CNamedColourReplacer::RestoreColours(); // we need to ask for the colours one by one DocColour* pStartCol = m_pColourFill->GetStartColour(); if (pStartCol != NULL) { *pStartCol = m_OrigStartCol; } DocColour* pEndCol1 = m_pColourFill->GetEndColour(); if (pEndCol1 != NULL) { *pEndCol1 = m_OrigEndCol1; } DocColour* pEndCol2 = m_pColourFill->GetEndColour2(); if (pEndCol2 != NULL) { *pEndCol2 = m_OrigEndCol2; } DocColour* pEndCol3 = m_pColourFill->GetEndColour3(); if (pEndCol3 != NULL) { *pEndCol3 = m_OrigEndCol3; } return TRUE; } /*********************************************************************************************** > BOOL CHSVChanger::IsInitialised() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: true, if this object was initialised in any way Purpose: ***********************************************************************************************/ BOOL CHSVChanger::IsInitialised() { BOOL Init = m_pReplaceColour != NULL || m_HueMultiplier != 1.0 || m_SaturationMultiplier != 1.0; return Init; } /*********************************************************************************************** > BOOL CHSVChanger::ShouldChangeHSV() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: true, if ChangeHSV should be called, FALSE otherwise Purpose: does a few checks to see if it is worth changing hsv values, currently we only use the multipliers so it just checks to see if they are default or not ***********************************************************************************************/ BOOL CHSVChanger::ShouldChangeHSV() { BOOL bShouldReplace = (m_HueIncrement != 0 || m_SatIncrement != 0); return bShouldReplace; } /*********************************************************************************************** > void CHSVChanger::ApplyIncrements(DocColour* pCol) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pCol - the colour to be incremented Returns: - Purpose: Takes a colour, extracts its HSV values, adds (or subtracts) the increment value ***********************************************************************************************/ void CHSVChanger::ApplyIncrements(DocColour* pCol) { // PORTNOTETRACE("other","CHSVChanger::ApplyIncrements - do nothing"); //#ifndef EXCLUDE_FROM_XARALX if (pCol == NULL) { ERROR3("Colour pointer is NULL in CHSVChanger::ApplyIncrements"); return; } INT32 Hue; INT32 Sat; INT32 Dummy; pCol->GetHSVValue(&Hue, &Sat, &Dummy); //TRACEUSER( "Diccon", _T("Original Sat = %d, "), Sat); //TRACEUSER( "Diccon", _T("Original Hue = %d, "), Hue); Hue += m_HueIncrement; if (Hue < 0) Hue += MAX_HUE_VALUE; else if (Hue > MAX_HUE_VALUE) Hue -= MAX_HUE_VALUE; Sat -= abs(m_SatIncrement); if (Sat < 0) Sat = 1; else if (Sat > MAX_SAT_VALUE) Sat = MAX_SAT_VALUE; // TRACEUSER( "Diccon", _T("SatIncr = %d, New Sat = %d\n"), m_SatIncrement, Sat); // TRACEUSER( "Diccon", _T("Hue Incr = %d, New Hue = %d\n"), m_HueIncrement, Hue); pCol->SetHSVValue(Hue, Sat, Dummy); //#endif } /*********************************************************************************************** > CHSVChanger::GetHueMultiplier() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Outputs: - Returns: the hue multiplier, duh Purpose: Access ***********************************************************************************************/ double CHSVChanger::GetHueMultiplier() { return m_HueMultiplier; } /*********************************************************************************************** > BOOL CHSVChanger::SetHueMultiplier(double Mult) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: the hue multiplier, duh Outputs: - Returns: always TRUE at the moment Purpose: Sets the Hue multiplier, also calculates the value that will be added/subtracted from the colour ***********************************************************************************************/ BOOL CHSVChanger::SetHueMultiplier(double Value) { m_HueMultiplier = Value; m_HueIncrement = (INT32)Value; // * (double)MAX_HUE_VALUE); //TRACEUSER( "Diccon", _T("Hue Increment = %d\n"), m_HueIncrement); return TRUE; } /*********************************************************************************************** > CHSVChanger::GetSaturationMultiplier() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Outputs: - Returns: the Saturation multiplier, duh Purpose: Access ***********************************************************************************************/ double CHSVChanger::GetSaturationMultiplier() { return m_SaturationMultiplier; } /*********************************************************************************************** > BOOL CHSVChanger::SetSaturationMultiplier(double Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: the Saturation multiplier, as you might expect Outputs: - Returns: TRUE Purpose: Sets the saturation multiplier, also calculates the addition/subtraction value ***********************************************************************************************/ BOOL CHSVChanger::SetSaturationMultiplier(double Value) { m_SaturationMultiplier = Value; m_SatIncrement = (INT32)(Value * (double)MAX_SAT_VALUE); //TRACEUSER( "Diccon", _T("Sat increment = %d\n"), m_SatIncrement); return TRUE; } /*********************************************************************************************** > void CHSVChanger::ChangeColour(DocColour* pCol) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pCol - pointer to the colour we wish to change Outputs: Colour with changed values Returns: - Purpose: Simply changes the values in this one colour alone, in case you're fed up of worrying about attributes and the like **********************************************************************************************/ void CHSVChanger::ChangeColour(DocColour* pCol) { if (pCol == NULL) return; ApplyIncrements(pCol); } /*---------------------------------------------------------------------------------------------- ----------------------CTransparency Class implementation---------------------------------------- ------------------------------------------------------------------------------------------------*/ /*********************************************************************************************** > CTransparencyReplacer::CTransparencyReplacer() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Purpose: default constructor ***********************************************************************************************/ CTransparencyReplacer::CTransparencyReplacer() { m_pTranspFill = NULL; m_OriginalTransp = 0; m_ReplaceTransp = -1; m_TranspAdjust = 1.0; m_InvertAdjust = 1.0; } /*********************************************************************************************** > BOOL CTransparencyReplacer::SetReplacementValue(INT32 Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: the value to use as our replacement Returns: TRUE unless Value is outside the legal range Purpose: access ***********************************************************************************************/ BOOL CTransparencyReplacer::SetReplacementValue(INT32 Value) { if (Value > MAX_TRANSP_VALUE) return FALSE; m_ReplaceTransp = Value; return TRUE; } /*********************************************************************************************** > INT32 CTransparencyReplacer::GetReplacementValue() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: out replacement transparency value Purpose: access ***********************************************************************************************/ INT32 CTransparencyReplacer::GetReplacementValue() { return m_ReplaceTransp; } /*********************************************************************************************** > BOOL CTransparencyReplacer::SetAdjustmentValue(double Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: our adjuster value Returns: TRUE unless Value is outside the legal range Purpose: access ***********************************************************************************************/ BOOL CTransparencyReplacer::SetAdjustmentValue(double Value) { if (Value > 3.0 || Value < 0) return FALSE; m_TranspAdjust = Value; return TRUE; } /*********************************************************************************************** > BOOL CTransparencyReplacer::GetAdjustmentValue(double Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: Returns: our adjuster value Purpose: access ***********************************************************************************************/ double CTransparencyReplacer::GetAdjustmentValue() { return m_TranspAdjust; } /*********************************************************************************************** > BOOL CTransparencyReplacer::SetInvertedAdjuster(double Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: our adjuster value Returns: TRUE unless Value is outside the legal range Purpose: access to our inverted adjuster ***********************************************************************************************/ BOOL CTransparencyReplacer::SetInvertedAdjuster(double Value) { if (Value > 3.0 || Value < 0) return FALSE; m_InvertAdjust = Value; return TRUE; } /*********************************************************************************************** > BOOL CTransparencyReplacer::GetAdjustmentValue1(double Value) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: Returns: our inverted adjuster value Purpose: access ***********************************************************************************************/ double CTransparencyReplacer::GetInvertedAdjuster() { return m_InvertAdjust; } /*********************************************************************************************** > void CTransparencyReplacer::SetTransparencyAttr(TranspFillAttribute* pAttrVal) Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: pAttrVal - the transparency attribute value that we are working on Returns: - Purpose: access ***********************************************************************************************/ void CTransparencyReplacer::SetTransparencyAttr(TranspFillAttribute* pAttrVal) { m_pTranspFill = pAttrVal; } /*********************************************************************************************** > BOOL CTransparencyReplacer::ReplaceTransparency() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: - Purpose: Does the deed of replacing the transparency value in our attribute with the one we have been given ***********************************************************************************************/ BOOL CTransparencyReplacer::ReplaceTransparency() { if (m_pTranspFill == NULL) return FALSE; // first cache the original value m_OriginalTransp = *m_pTranspFill->GetStartTransp(); // recall that a negative replacement value means don't replace if (m_ReplaceTransp >= 0) m_pTranspFill->Transp = (UINT32)m_ReplaceTransp; if (m_TranspAdjust >= 0) { /* Ok, so what is going on here? Basically this: - We have two adjusters, they both generate a value which is a proportion of the maximum transparency - One of the adjusters is inverted (i.e. as its value increases, its output value decreases - Both adjusters make sure they are within legal limits - The adjuster value is added to the original value - We take a straight mean of the two adjusted values and set it back to the attribute */ double TranspAdj = m_TranspAdjust * MAX_TRANSPARENCY; double TranspAdj1 = m_InvertAdjust * MAX_TRANSPARENCY; INT32 Adjust = INT32(TranspAdj); Adjust -= MAX_TRANSPARENCY; INT32 InvertAdjust = INT32(MAX_TRANSPARENCY- TranspAdj1); INT32 FirstTransp = m_pTranspFill->Transp + Adjust; INT32 FinalTransp = FirstTransp + InvertAdjust; if (FinalTransp > MAX_TRANSPARENCY) FinalTransp = MAX_TRANSPARENCY; if (FinalTransp < 0) FinalTransp = 0; // TRACEUSER( "Diccon", _T("New Transp = %d\n"), FinalTransp); m_pTranspFill->Transp = UINT32(FinalTransp); } return TRUE; } /*********************************************************************************************** > BOOL CTransparencyReplacer::RestoreTransparency() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: - Purpose: Does the deed of replacing the transparency value in our attribute with the one we have been given ***********************************************************************************************/ BOOL CTransparencyReplacer::RestoreTransparency() { if (m_pTranspFill == NULL) return FALSE; m_pTranspFill->Transp = m_OriginalTransp; return TRUE; } /*********************************************************************************************** > BOOL CTransparencyReplacer::IsInitialised() Author: Diccon_Yamanaka (Xara Group Ltd) Created: 12/4/2000 Inputs: - Returns: True if the replacer has been initialised and is ready to replace, false otherwise Purpose: as above ***********************************************************************************************/ BOOL CTransparencyReplacer::IsInitialised() { return (m_pTranspFill != NULL && (m_ReplaceTransp >= 0 || m_TranspAdjust >= 0)); }