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