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tdegraphics/kolourpaint/pixmapfx/kpeffectsdialog.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_EFFECTS_DIALOG 0
#include <kpeffectsdialog.h>
#include <tqgroupbox.h>
#include <tqhbox.h>
#include <tqlabel.h>
#include <tqlayout.h>
#include <tqtimer.h>
#include <kapplication.h>
#include <kcombobox.h>
#include <kconfig.h>
#include <kdebug.h>
#include <klocale.h>
#include <kpdefs.h>
#include <kpdocument.h>
#include <kpeffectbalance.h>
#include <kpeffectblursharpen.h>
#include <kpeffectemboss.h>
#include <kpeffectflatten.h>
#include <kpeffectinvert.h>
#include <kpeffectreducecolors.h>
#include <kppixmapfx.h>
// protected static
int kpEffectsDialog::s_lastWidth = 640;
int kpEffectsDialog::s_lastHeight = 620;
kpEffectsDialog::kpEffectsDialog (bool actOnSelection,
kpMainWindow *parent,
const char *name)
: kpToolPreviewDialog (kpToolPreviewDialog::Preview,
true/*reserve top row*/,
TQString()/*caption*/,
TQString()/*afterActionText (no Dimensions Group Box)*/,
actOnSelection,
parent,
name),
m_delayedUpdateTimer (new TQTimer (this)),
m_effectsComboBox (0),
m_settingsGroupBox (0),
m_settingsLayout (0),
m_colorEffectWidget (0)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::kpEffectsDialog()" << endl;
#endif
if (actOnSelection)
setCaption (i18n ("More Image Effects (Selection)"));
else
setCaption (i18n ("More Image Effects"));
connect (m_delayedUpdateTimer, TQT_SIGNAL (timeout ()),
this, TQT_SLOT (slotUpdateWithWaitCursor ()));
TQHBox *effectContainer = new TQHBox (mainWidget ());
effectContainer->setSpacing (spacingHint () * 4
/*need more space for TQGroupBox titles*/);
effectContainer->setMargin (0);
TQLabel *label = new TQLabel (i18n ("&Effect:"), effectContainer);
m_effectsComboBox = new KComboBox (effectContainer);
m_effectsComboBox->insertItem (i18n ("Balance"));
m_effectsComboBox->insertItem (i18n ("Emboss"));
m_effectsComboBox->insertItem (i18n ("Flatten"));
m_effectsComboBox->insertItem (i18n ("Invert"));
m_effectsComboBox->insertItem (i18n ("Reduce Colors"));
m_effectsComboBox->insertItem (i18n ("Soften & Sharpen"));
label->setBuddy (m_effectsComboBox);
effectContainer->setStretchFactor (m_effectsComboBox, 1);
addCustomWidgetToFront (effectContainer);
m_settingsGroupBox = new TQGroupBox (mainWidget ());
m_settingsLayout = new TQVBoxLayout (m_settingsGroupBox,
marginHint () * 2,
spacingHint ());
addCustomWidgetToBack (m_settingsGroupBox);
connect (m_effectsComboBox, TQT_SIGNAL (activated (int)),
this, TQT_SLOT (selectEffect (int)));
selectEffect (0);
resize (s_lastWidth, s_lastHeight);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tabout to slotUpdate()" << endl;
#endif
slotUpdate ();
}
kpEffectsDialog::~kpEffectsDialog ()
{
s_lastWidth = width ();
s_lastHeight = height ();
}
// public virtual [base kpToolPreviewDialog]
bool kpEffectsDialog::isNoOp () const
{
if (!m_colorEffectWidget)
return true;
return m_colorEffectWidget->isNoOp ();
}
// public
kpColorEffectCommand *kpEffectsDialog::createCommand () const
{
if (!m_colorEffectWidget)
return 0;
return m_colorEffectWidget->createCommand ();
}
// protected virtual [base kpToolPreviewDialog]
TQSize kpEffectsDialog::newDimensions () const
{
kpDocument *doc = document ();
if (!doc)
return TQSize ();
return TQSize (doc->width (m_actOnSelection),
doc->height (m_actOnSelection));
}
// protected virtual [base kpToolPreviewDialog]
TQPixmap kpEffectsDialog::transformPixmap (const TQPixmap &pixmap,
int targetWidth, int targetHeight) const
{
TQPixmap pixmapWithEffect;
if (m_colorEffectWidget)
pixmapWithEffect = m_colorEffectWidget->applyColorEffect (pixmap);
else
pixmapWithEffect = pixmap;
return kpPixmapFX::scale (pixmapWithEffect, targetWidth, targetHeight);
}
// public
int kpEffectsDialog::selectedEffect () const
{
return m_effectsComboBox->currentItem ();
}
// public slot
void kpEffectsDialog::selectEffect (int which)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::selectEffect(" << which << ")" << endl;
#endif
if (which < 0 ||
which >= m_effectsComboBox->count ())
{
return;
}
if (which != m_effectsComboBox->currentItem ())
m_effectsComboBox->setCurrentItem (which);
delete m_colorEffectWidget;
m_colorEffectWidget = 0;
m_settingsGroupBox->setCaption (TQString());
#define CREATE_EFFECT_WIDGET(name) \
m_colorEffectWidget = new name (m_actOnSelection, \
m_mainWindow, \
m_settingsGroupBox)
switch (which)
{
case 0:
CREATE_EFFECT_WIDGET (kpEffectBalanceWidget);
break;
case 1:
CREATE_EFFECT_WIDGET (kpEffectEmbossWidget);
break;
case 2:
CREATE_EFFECT_WIDGET (kpEffectFlattenWidget);
break;
case 3:
CREATE_EFFECT_WIDGET (kpEffectInvertWidget);
break;
case 4:
CREATE_EFFECT_WIDGET (kpEffectReduceColorsWidget);
break;
case 5:
CREATE_EFFECT_WIDGET (kpEffectBlurSharpenWidget);
break;
}
#undef CREATE_EFFECT_WIDGET
if (m_colorEffectWidget)
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\twidget exists for effect #" << endl;
#endif
m_settingsGroupBox->setTitle (m_colorEffectWidget->caption ());
// Don't resize the preview when showing the widget:
// TODO: actually work
TQSize previewGroupBoxMinSize = m_previewGroupBox->minimumSize ();
TQSize previewGroupBoxMaxSize = m_previewGroupBox->maximumSize ();
TQLayout::ResizeMode previewGroupBoxResizeMode =
m_previewGroupBox->layout () ?
m_previewGroupBox->layout ()->resizeMode () :
TQLayout::Auto;
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tpreviewGroupBox: minSize=" << previewGroupBoxMinSize
<< " maxSize=" << previewGroupBoxMaxSize
<< " size=" << m_previewGroupBox->size ()
<< " layout=" << m_previewGroupBox->layout ()
<< " resizeMode=" << previewGroupBoxResizeMode
<< endl;
#endif
if (m_previewGroupBox->layout ())
m_previewGroupBox->layout ()->setResizeMode (TQLayout::FreeResize);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set resizeMode, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_previewGroupBox->setFixedSize (m_previewGroupBox->size ());
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
// Show widget
m_settingsLayout->addWidget (m_colorEffectWidget);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter addWidget, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_colorEffectWidget->show ();
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter addWidget show, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
m_previewGroupBox->setMinimumSize (previewGroupBoxMinSize);
m_previewGroupBox->setMaximumSize (previewGroupBoxMaxSize);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter set fixedSize, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
if (m_previewGroupBox->layout ())
m_previewGroupBox->layout ()->setResizeMode (previewGroupBoxResizeMode);
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter restore resizeMode, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
connect (m_colorEffectWidget, TQT_SIGNAL (settingsChangedNoWaitCursor ()),
this, TQT_SLOT (slotUpdate ()));
connect (m_colorEffectWidget, TQT_SIGNAL (settingsChanged ()),
this, TQT_SLOT (slotUpdateWithWaitCursor ()));
connect (m_colorEffectWidget, TQT_SIGNAL (settingsChangedDelayed ()),
this, TQT_SLOT (slotDelayedUpdate ()));
slotUpdateWithWaitCursor ();
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "\tafter slotUpdateWithWaitCursor, previewGroupBox.size="
<< m_previewGroupBox->size () << endl;
#endif
}
}
// protected slot virtual [base kpToolPreviewDialog]
void kpEffectsDialog::slotUpdate ()
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::slotUpdate()"
<< " timerActive=" << m_delayedUpdateTimer->isActive ()
<< endl;
#endif
m_delayedUpdateTimer->stop ();
kpToolPreviewDialog::slotUpdate ();
}
// protected slot virtual [base kpToolPreviewDialog]
void kpEffectsDialog::slotUpdateWithWaitCursor ()
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::slotUpdateWithWaitCursor()"
<< " timerActive=" << m_delayedUpdateTimer->isActive ()
<< endl;
#endif
m_delayedUpdateTimer->stop ();
kpToolPreviewDialog::slotUpdateWithWaitCursor ();
}
// protected slot
void kpEffectsDialog::slotDelayedUpdate ()
{
#if DEBUG_KP_EFFECTS_DIALOG
kdDebug () << "kpEffectsDialog::slotDelayedUpdate()"
<< " timerActive=" << m_delayedUpdateTimer->isActive ()
<< endl;
#endif
m_delayedUpdateTimer->stop ();
m_delayedUpdateTimer->start (400/*ms*/, true/*single shot*/);
}
#include <kpeffectsdialog.moc>