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koffice/chalk/plugins/viewplugins/imagesize/dlg_layersize.cc

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/*
* dlg_layersize.cc - part of Chalk
*
* Copyright (c) 2004 Boudewijn Rempt <boud@valdyas.org>
* Copyright (c) 2005 Sven Langkamp <longamp@reallygood.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include <math.h>
#include <iostream>
using namespace std;
#include <tqradiobutton.h>
#include <tqcheckbox.h>
#include <tqbuttongroup.h>
#include <tqlabel.h>
#include <tqcombobox.h>
#include <klocale.h>
#include <knuminput.h>
#include <kdebug.h>
#include <kis_cmb_idlist.h>
#include <kis_filter_strategy.h>
#include "dlg_layersize.h"
#include "wdg_layersize.h"
// XXX: I'm really real bad at arithmetic, let alone math. Here
// be rounding errors. (Boudewijn)
DlgLayerSize::DlgLayerSize( TQWidget * parent,
const char * name)
: super (parent, name, true, i18n("Scale Layer"), Ok | Cancel, Ok)
{
m_lock = false;
m_page = new WdgLayerSize(this, "layer_size");
Q_CHECK_PTR(m_page);
m_page->cmbFilterType->setIDList(KisFilterStrategyRegistry::instance()->listKeys());
m_page->cmbFilterType->setCurrentText("Mitchell");
setMainWidget(m_page);
resize(m_page->sizeHint());
unblockAll();
connect(this, TQT_SIGNAL(okClicked()),
this, TQT_SLOT(okClicked()));
}
DlgLayerSize::~DlgLayerSize()
{
delete m_page;
}
void DlgLayerSize::setWidth(TQ_UINT32 w)
{
blockAll();
m_page->lblWidthOriginal->setNum((int)w);
m_page->intWidth->setValue(w);
m_oldW = w;
m_origW = w;
unblockAll();
}
void DlgLayerSize::setWidthPercent(TQ_UINT32 w)
{
blockAll();
m_page->intWidthPercent->setValue(w);
m_oldWPercent = w;
unblockAll();
}
void DlgLayerSize::setMaximumWidth(TQ_UINT32 w)
{
m_page->intWidth->setMaxValue(w);
m_maxW = w;
}
TQ_INT32 DlgLayerSize::width()
{
//return (TQ_INT32)tqRound(m_oldW);
return (TQ_INT32)tqRound(m_page->intWidth->value());
}
void DlgLayerSize::setHeight(TQ_UINT32 h)
{
blockAll();
m_page->lblHeightOriginal->setNum((int)h);
m_page->intHeight->setValue(h);
m_oldH = h;
m_origH = h;
unblockAll();
}
void DlgLayerSize::setHeightPercent(TQ_UINT32 h)
{
blockAll();
m_page->intHeightPercent->setValue(h);
m_oldHPercent = h;
unblockAll();
}
void DlgLayerSize::setMaximumHeight(TQ_UINT32 h)
{
m_page->intHeight->setMaxValue(h);
m_maxH = h;
}
TQ_INT32 DlgLayerSize::height()
{
//return (TQ_INT32)tqRound(m_oldH);
return (TQ_INT32)tqRound(m_page->intHeight->value());
}
KisFilterStrategy *DlgLayerSize::filterType()
{
KisID filterID = m_page->cmbFilterType->currentItem();
KisFilterStrategy *filter = KisFilterStrategyRegistry::instance()->get(filterID);
return filter;
}
// SLOTS
void DlgLayerSize::okClicked()
{
accept();
}
void DlgLayerSize::slotWidthPixelsChanged(int w)
{
blockAll();
double wPercent = double(w) * 100 / double(m_origW);
m_page->intWidthPercent->setValue(tqRound(wPercent));
// Set height in pixels and percent of necessary
if (m_page->chkConstrain->isChecked()) {
m_page->intHeightPercent->setValue(tqRound(wPercent));
m_oldH = tqRound(m_origH * wPercent / 100);
m_page->intHeight->setValue(tqRound(m_oldH));
}
m_oldW = w;
unblockAll();
}
void DlgLayerSize::slotHeightPixelsChanged(int h)
{
blockAll();
double hPercent = double(h) * 100 / double(m_origH);
m_page->intHeightPercent->setValue(tqRound(hPercent));
// Set width in pixels and percent of necessary
if (m_page->chkConstrain->isChecked()) {
m_page->intWidthPercent->setValue(tqRound(hPercent));
m_oldW = tqRound(m_origW * hPercent / 100);
m_page->intWidth->setValue(tqRound(m_oldW));
}
m_oldH = h;
unblockAll();
}
void DlgLayerSize::slotWidthPercentChanged(int w)
{
blockAll();
m_page->intWidth->setValue(tqRound(w * m_origW / 100));
if (m_page->chkConstrain->isChecked()) {
m_page->intHeightPercent->setValue(w);
m_page->intHeight->setValue(tqRound( w * m_origH / 100));
}
unblockAll();
}
void DlgLayerSize::slotHeightPercentChanged(int h)
{
blockAll();
m_page->intHeight->setValue(tqRound(h * m_origH / 100));
if (m_page->chkConstrain->isChecked()) {
m_page->intWidthPercent->setValue(h);
m_page->intWidth->setValue(tqRound( h * m_origW / 100));
}
unblockAll();
}
void DlgLayerSize::blockAll()
{
// XXX: more efficient to use blockSignals?
m_page->intWidth->disconnect();
m_page->intHeight->disconnect();
m_page->intWidthPercent->disconnect();
m_page->intHeightPercent->disconnect();
}
void DlgLayerSize::unblockAll()
{
// XXX: more efficient to use blockSignals?
connect (m_page->intWidth, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotWidthPixelsChanged(int)));
connect (m_page->intHeight, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotHeightPixelsChanged(int)));
connect (m_page->intWidthPercent, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotWidthPercentChanged(int)));
connect (m_page->intHeightPercent, TQT_SIGNAL(valueChanged(int)),
this, TQT_SLOT(slotHeightPercentChanged(int)));
}
#include "dlg_layersize.moc"