File indexing completed on 2025-02-09 04:59:50

 
 /*
    Copyright (c) 2003-2007 Clarence Dang <dang@kde.org>
    All rights reserved.
 
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:
 
    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.
 
    THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
 
 #define DEBUG_KP_SELECTION_TRANSPARENCY 0
 
 
 #include "layers/selections/image/kpImageSelectionTransparency.h"
 
 #include "kpLogCategories.h"
 
 #include "widgets/colorSimilarity/kpColorSimilarityHolder.h"
 
 
 //---------------------------------------------------------------------
 
 kpImageSelectionTransparency::kpImageSelectionTransparency ()
     : m_isOpaque (true)
 {
     setColorSimilarity (0);
 }
 
 //---------------------------------------------------------------------
 
 kpImageSelectionTransparency::kpImageSelectionTransparency (const kpColor &transparentColor, double colorSimilarity)
     : m_isOpaque (false),
       m_transparentColor (transparentColor)
 {
     setColorSimilarity (colorSimilarity);
 }
 
 //---------------------------------------------------------------------
 
 kpImageSelectionTransparency::kpImageSelectionTransparency (bool isOpaque, const kpColor &transparentColor,
                                                   double colorSimilarity)
     : m_isOpaque (isOpaque),
       m_transparentColor (transparentColor)
 {
     setColorSimilarity (colorSimilarity);
 }
 
 //---------------------------------------------------------------------
 
 bool kpImageSelectionTransparency::operator== (const kpImageSelectionTransparency &rhs) const
 {
 #if DEBUG_KP_SELECTION_TRANSPARENCY && 0
     qCDebug(kpLogLayers) << "kpImageSelectionTransparency::operator==()";
 #endif
     
     if (m_isOpaque != rhs.m_isOpaque)
     {
     #if DEBUG_KP_SELECTION_TRANSPARENCY && 0
         qCDebug(kpLogLayers) << "\tdifferent opacity: lhs=" << m_isOpaque
                    << " rhs=" << rhs.m_isOpaque
                    << endl;
     #endif
         return false;
     }
 
     if (m_isOpaque)
     {
     #if DEBUG_KP_SELECTION_TRANSPARENCY && 0
         qCDebug(kpLogLayers) << "\tboth opaque - eq";
     #endif
         return true;
     }
 
 #if DEBUG_KP_SELECTION_TRANSPARENCY && 0
     qCDebug(kpLogLayers) << "\tcolours: lhs=" << (int *) m_transparentColor.toQRgb ()
                << " rhs=" << (int *) rhs.m_transparentColor.toQRgb ()
                << endl;
     qCDebug(kpLogLayers) << "\tcolour similarity: lhs=" << m_colorSimilarity
                << " rhs=" << rhs.m_colorSimilarity
                << endl;
 #endif
     
     return (m_transparentColor == rhs.m_transparentColor &&
             m_colorSimilarity == rhs.m_colorSimilarity);
 }
 
 //---------------------------------------------------------------------
 
 bool kpImageSelectionTransparency::operator!= (const kpImageSelectionTransparency &rhs) const
 {
     return !(*this == rhs);
 }
 
 //---------------------------------------------------------------------
 
 kpImageSelectionTransparency::~kpImageSelectionTransparency () = default;
 
 //---------------------------------------------------------------------
 
 // public
 bool kpImageSelectionTransparency::isOpaque () const
 {
     return m_isOpaque;
 }
 
 //---------------------------------------------------------------------
 
 // public
 bool kpImageSelectionTransparency::isTransparent () const
 {
     return !isOpaque ();
 }
 
 //---------------------------------------------------------------------
 
 // public
 void kpImageSelectionTransparency::setOpaque (bool yes)
 {
     m_isOpaque = yes;
 }
 
 //---------------------------------------------------------------------
 
 // public
 void kpImageSelectionTransparency::setTransparent (bool yes)
 {
     setOpaque (!yes);
 }
 
 //---------------------------------------------------------------------
 
 
 // public
 kpColor kpImageSelectionTransparency::transparentColor () const
 {
     if (m_isOpaque)
     {
         // There are legitimate uses for this so no qCCritical(kpLogLayers)
         qCDebug(kpLogLayers) << "kpImageSelectionTransparency::transparentColor() "
                       "getting transparent color even though opaque";
     }
 
     return m_transparentColor;
 }
 
 //---------------------------------------------------------------------
 
 // public
 void kpImageSelectionTransparency::setTransparentColor (const kpColor &transparentColor)
 {
     m_transparentColor = transparentColor;
 }
 
 //---------------------------------------------------------------------
 
 
 // public
 double kpImageSelectionTransparency::colorSimilarity () const
 {
     if (m_colorSimilarity < 0 ||
         m_colorSimilarity > kpColorSimilarityHolder::MaxColorSimilarity)
     {
         qCCritical(kpLogLayers) << "kpImageSelectionTransparency::colorSimilarity() invalid colorSimilarity";
         return 0;
     }
 
     return m_colorSimilarity;
 }
 
 //---------------------------------------------------------------------
 
 // pubulic
 void kpImageSelectionTransparency::setColorSimilarity (double colorSimilarity)
 {
     m_colorSimilarity = colorSimilarity;
     m_processedColorSimilarity = kpColor::processSimilarity (colorSimilarity);
 }
 
 //---------------------------------------------------------------------
 
 // public
 int kpImageSelectionTransparency::processedColorSimilarity () const
 {
     return m_processedColorSimilarity;
 }
 
 //---------------------------------------------------------------------