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diff --git a/kolourpaint/pixmapfx/kpeffectemboss.cpp b/kolourpaint/pixmapfx/kpeffectemboss.cpp
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+
+/*
+ Copyright (c) 2003,2004,2005 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_EFFECT_EMBOSS 0
+
+
+#include <kpeffectemboss.h>
+
+#include <qcheckbox.h>
+#include <qimage.h>
+#include <qlabel.h>
+#include <qlayout.h>
+#include <qpixmap.h>
+#include <qpushbutton.h>
+
+#include <kdebug.h>
+#include <kimageeffect.h>
+#include <klocale.h>
+#include <knuminput.h>
+
+#include <kpmainwindow.h>
+#include <kppixmapfx.h>
+
+
+kpEffectEmbossCommand::kpEffectEmbossCommand (double radius, double sigma,
+ int repeat,
+ bool actOnSelection,
+ kpMainWindow *mainWindow)
+ : kpColorEffectCommand (i18n ("Emboss"), actOnSelection, mainWindow),
+ m_radius (radius), m_sigma (sigma),
+ m_repeat (repeat)
+{
+}
+
+kpEffectEmbossCommand::~kpEffectEmbossCommand ()
+{
+}
+
+
+// public static
+QPixmap kpEffectEmbossCommand::apply (const QPixmap &pixmap,
+ double radius, double sigma,
+ int repeat)
+{
+#if DEBUG_KP_EFFECT_EMBOSS
+ kdDebug () << "kpEffectEmbossCommand::apply()"
+ << " radius=" << radius
+ << " sigma=" << sigma
+ << " repeat=" << repeat
+ << ")"
+ << endl;
+#endif
+
+ // (KImageEffect::emboss() ignores mask)
+ QPixmap usePixmap = kpPixmapFX::pixmapWithDefinedTransparentPixels (
+ pixmap,
+ Qt::white/*arbitrarily chosen*/);
+
+
+ QImage image = kpPixmapFX::convertToImage (usePixmap);
+
+ for (int i = 0; i < repeat; i++)
+ {
+ image = KImageEffect::emboss (image, radius, sigma);
+ }
+
+ QPixmap retPixmap = kpPixmapFX::convertToPixmap (image);
+
+
+ // KImageEffect::emboss() nukes mask - restore it
+ if (usePixmap.mask ())
+ retPixmap.setMask (*usePixmap.mask ());
+
+
+ return retPixmap;
+}
+
+// protected virtual [base kpColorEffectCommand]
+QPixmap kpEffectEmbossCommand::applyColorEffect (const QPixmap &pixmap)
+{
+ return apply (pixmap, m_radius, m_sigma, m_repeat);
+}
+
+
+
+kpEffectEmbossWidget::kpEffectEmbossWidget (bool actOnSelection,
+ kpMainWindow *mainWindow,
+ QWidget *parent, const char *name)
+ : kpColorEffectWidget (actOnSelection, mainWindow, parent, name)
+{
+ QGridLayout *lay = new QGridLayout (this, 4, 2, marginHint (), spacingHint ());
+
+
+#if 0
+ QLabel *amountLabel = new QLabel (i18n ("&Amount:"), this);
+ m_amountInput = new KIntNumInput (this);
+ m_amountInput->setRange (0, 10, 1/*step*/, true/*slider*/);
+ m_amountInput->setSpecialValueText (i18n ("None"));
+
+
+ amountLabel->setBuddy (m_amountInput);
+
+
+ lay->addWidget (amountLabel, 0, 0);
+ lay->addWidget (m_amountInput, 0, 1);
+
+ lay->setColStretch (1, 1);
+
+
+ connect (m_amountInput, SIGNAL (valueChanged (int)),
+ this, SIGNAL (settingsChanged ()));
+#endif
+
+ m_enableCheckBox = new QCheckBox (i18n ("E&nable"), this);
+
+
+ lay->addMultiCellWidget (m_enableCheckBox, 0, 0, 0, 1, Qt::AlignCenter);
+
+
+ // (settingsChangedDelayed() instead of settingsChanged() so that the
+ // user can quickly press OK to apply effect to document directly and
+ // not have to wait for the also slow preview)
+ connect (m_enableCheckBox, SIGNAL (toggled (bool)),
+ this, SIGNAL (settingsChangedDelayed ()));
+}
+
+kpEffectEmbossWidget::~kpEffectEmbossWidget ()
+{
+}
+
+
+// public virtual [base kpColorEffectWidget]
+QString kpEffectEmbossWidget::caption () const
+{
+ return QString::null;
+}
+
+
+// public virtual [base kpColorEffectWidget]
+bool kpEffectEmbossWidget::isNoOp () const
+{
+ //return (m_amountInput->value () == 0);
+ return !m_enableCheckBox->isChecked ();
+}
+
+// public virtual [base kpColorEffectWidget]
+QPixmap kpEffectEmbossWidget::applyColorEffect (const QPixmap &pixmap)
+{
+ if (isNoOp ())
+ return pixmap;
+
+ return kpEffectEmbossCommand::apply (pixmap, radius (), sigma (), repeat ());
+}
+
+// public virtual [base kpColorEffectWidget]
+kpColorEffectCommand *kpEffectEmbossWidget::createCommand () const
+{
+ return new kpEffectEmbossCommand (radius (), sigma (), repeat (),
+ m_actOnSelection,
+ m_mainWindow);
+}
+
+
+// The numbers that follow were picked by experimentation.
+// I still have no idea what "radius" and "sigma" mean
+// (even after reading the API).
+
+// protected
+double kpEffectEmbossWidget::radius () const
+{
+ //if (m_amountInput->value () == 0)
+ // return 0;
+
+ return 0;
+}
+
+
+// protected
+double kpEffectEmbossWidget::sigma () const
+{
+#if 0
+ if (m_amountInput->value () == 0)
+ return 0;
+
+ const double Min = 1;
+ const double Max = 1.2;
+
+ return Min +
+ (m_amountInput->maxValue () - m_amountInput->value ()) *
+ (Max - Min) /
+ (m_amountInput->maxValue () - 1);
+#endif
+
+ return 1;
+}
+
+// protected
+int kpEffectEmbossWidget::repeat () const
+{
+ return 1;
+}
+
+
+#include <kpeffectemboss.moc>