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332 lines
13 KiB
332 lines
13 KiB
/* ============================================================
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*
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* This file is a part of digiKam project
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* http://www.digikam.org
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*
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* Date : 2004-12-23
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* Description : a plugin to shear an image
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*
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* Copyright (C) 2004-2008 by Gilles Caulier <caulier dot gilles at gmail dot com>
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*
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* This program is free software; you can redistribute it
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* and/or modify it under the terms of the GNU General
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* Public License as published by the Free Software Foundation;
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* either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* ============================================================ */
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// TQt includes.
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#include <tqcheckbox.h>
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#include <tqimage.h>
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#include <tqlabel.h>
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#include <tqlayout.h>
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#include <tqwhatsthis.h>
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// KDE includes.
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#include <kaboutdata.h>
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#include <kapplication.h>
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#include <kconfig.h>
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#include <kcursor.h>
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#include <kiconloader.h>
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#include <klocale.h>
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#include <kseparator.h>
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#include <kstandarddirs.h>
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// LibKDcraw includes.
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#include <libkdcraw/rnuminput.h>
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// Local includes.
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#include "daboutdata.h"
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#include "ddebug.h"
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#include "dimg.h"
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#include "editortoolsettings.h"
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#include "imageiface.h"
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#include "imagewidget.h"
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#include "shear.h"
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#include "sheartool.h"
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#include "sheartool.moc"
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using namespace KDcrawIface;
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using namespace Digikam;
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namespace DigikamShearToolImagesPlugin
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{
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ShearTool::ShearTool(TQObject* tqparent)
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: EditorToolThreaded(tqparent)
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{
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setName("sheartool");
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setToolName(i18n("Shear Tool"));
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setToolIcon(SmallIcon("sheartool"));
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m_previewWidget = new ImageWidget("sheartool Tool", 0,
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i18n("<p>This is the shear operation preview. "
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"If you move the mouse cursor on this preview, "
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"a vertical and horizontal dashed line will be drawn "
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"to guide you in adjusting the shear correction. "
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"Release the left mouse button to freeze the dashed "
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"line's position."),
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false, ImageGuideWidget::HVGuideMode);
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setToolView(m_previewWidget);
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// -------------------------------------------------------------
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TQString temp;
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Digikam::ImageIface iface(0, 0);
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m_gboxSettings = new EditorToolSettings(EditorToolSettings::Default|
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EditorToolSettings::Ok|
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EditorToolSettings::Cancel,
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EditorToolSettings::ColorGuide);
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TQGridLayout* grid = new TQGridLayout(m_gboxSettings->plainPage(), 12, 2);
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TQLabel *label1 = new TQLabel(i18n("New width:"), m_gboxSettings->plainPage());
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m_newWidthLabel = new TQLabel(temp.setNum( iface.originalWidth()) + i18n(" px"), m_gboxSettings->plainPage());
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m_newWidthLabel->tqsetAlignment( AlignBottom | AlignRight );
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TQLabel *label2 = new TQLabel(i18n("New height:"), m_gboxSettings->plainPage());
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m_newHeightLabel = new TQLabel(temp.setNum( iface.originalHeight()) + i18n(" px"), m_gboxSettings->plainPage());
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m_newHeightLabel->tqsetAlignment( AlignBottom | AlignRight );
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KSeparator *line = new KSeparator(Qt::Horizontal, m_gboxSettings->plainPage());
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TQLabel *label3 = new TQLabel(i18n("Main horizontal angle:"), m_gboxSettings->plainPage());
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m_mainHAngleInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_mainHAngleInput->setRange(-45, 45, 1);
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m_mainHAngleInput->setDefaultValue(0);
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TQWhatsThis::add( m_mainHAngleInput, i18n("<p>The main horizontal shearing angle, in degrees."));
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TQLabel *label4 = new TQLabel(i18n("Fine horizontal angle:"), m_gboxSettings->plainPage());
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m_fineHAngleInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_fineHAngleInput->setRange(-5.0, 5.0, 0.01);
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m_fineHAngleInput->setDefaultValue(0);
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TQWhatsThis::add( m_fineHAngleInput, i18n("<p>This value in degrees will be added to main horizontal angle value "
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"to set fine adjustments."));
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TQLabel *label5 = new TQLabel(i18n("Main vertical angle:"), m_gboxSettings->plainPage());
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m_mainVAngleInput = new RIntNumInput(m_gboxSettings->plainPage());
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m_mainVAngleInput->setRange(-45, 45, 1);
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m_mainVAngleInput->setDefaultValue(0);
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TQWhatsThis::add( m_mainVAngleInput, i18n("<p>The main vertical shearing angle, in degrees."));
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TQLabel *label6 = new TQLabel(i18n("Fine vertical angle:"), m_gboxSettings->plainPage());
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m_fineVAngleInput = new RDoubleNumInput(m_gboxSettings->plainPage());
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m_fineVAngleInput->setRange(-5.0, 5.0, 0.01);
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m_fineVAngleInput->setDefaultValue(0);
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TQWhatsThis::add( m_fineVAngleInput, i18n("<p>This value in degrees will be added to main vertical angle value "
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"to set fine adjustments."));
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m_antialiasInput = new TQCheckBox(i18n("Anti-Aliasing"), m_gboxSettings->plainPage());
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TQWhatsThis::add( m_antialiasInput, i18n("<p>Enable this option to apply the anti-aliasing filter "
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"to the sheared image. "
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"To smooth the target image, it will be blurred a little."));
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grid->addMultiCellWidget(label1, 0, 0, 0, 0);
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grid->addMultiCellWidget(m_newWidthLabel, 0, 0, 1, 2);
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grid->addMultiCellWidget(label2, 1, 1, 0, 0);
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grid->addMultiCellWidget(m_newHeightLabel, 1, 1, 1, 2);
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grid->addMultiCellWidget(line, 2, 2, 0, 2);
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grid->addMultiCellWidget(label3, 3, 3, 0, 2);
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grid->addMultiCellWidget(m_mainHAngleInput, 4, 4, 0, 2);
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grid->addMultiCellWidget(label4, 5, 5, 0, 2);
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grid->addMultiCellWidget(m_fineHAngleInput, 6, 6, 0, 2);
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grid->addMultiCellWidget(label5, 7, 7, 0, 0);
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grid->addMultiCellWidget(m_mainVAngleInput, 8, 8, 0, 2);
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grid->addMultiCellWidget(label6, 9, 9, 0, 2);
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grid->addMultiCellWidget(m_fineVAngleInput, 10, 10, 0, 2);
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grid->addMultiCellWidget(m_antialiasInput, 11, 11, 0, 2);
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grid->setRowStretch(12, 10);
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grid->setMargin(m_gboxSettings->spacingHint());
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grid->setSpacing(m_gboxSettings->spacingHint());
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setToolSettings(m_gboxSettings);
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init();
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// -------------------------------------------------------------
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connect(m_mainHAngleInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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connect(m_fineHAngleInput, TQT_SIGNAL(valueChanged(double)),
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this, TQT_SLOT(slotTimer()));
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connect(m_mainVAngleInput, TQT_SIGNAL(valueChanged(int)),
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this, TQT_SLOT(slotTimer()));
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connect(m_fineVAngleInput, TQT_SIGNAL(valueChanged(double)),
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this, TQT_SLOT(slotTimer()));
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connect(m_antialiasInput, TQT_SIGNAL(toggled(bool)),
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this, TQT_SLOT(slotEffect()));
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connect(m_gboxSettings, TQT_SIGNAL(signalColorGuideChanged()),
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this, TQT_SLOT(slotColorGuideChanged()));
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}
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ShearTool::~ShearTool()
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{
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}
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void ShearTool::slotColorGuideChanged()
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{
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m_previewWidget->slotChangeGuideColor(m_gboxSettings->guideColor());
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m_previewWidget->slotChangeGuideSize(m_gboxSettings->guideSize());
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}
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void ShearTool::readSettings()
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{
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KConfig *config = kapp->config();
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config->setGroup("sheartool Tool");
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m_mainHAngleInput->setValue(config->readNumEntry("Main HAngle", m_mainHAngleInput->defaultValue()));
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m_mainVAngleInput->setValue(config->readNumEntry("Main VAngle", m_mainVAngleInput->defaultValue()));
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m_fineHAngleInput->setValue(config->readDoubleNumEntry("Fine HAngle", m_fineHAngleInput->defaultValue()));
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m_fineVAngleInput->setValue(config->readDoubleNumEntry("Fine VAngle", m_fineVAngleInput->defaultValue()));
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m_antialiasInput->setChecked(config->readBoolEntry("Anti Aliasing", true));
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m_gboxSettings->setGuideColor(config->readColorEntry("Guide Color", &TQt::red));
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m_gboxSettings->setGuideSize(config->readNumEntry("Guide Width", 1));
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slotColorGuideChanged();
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slotEffect();
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}
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void ShearTool::writeSettings()
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{
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KConfig *config = kapp->config();
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config->setGroup("sheartool Tool");
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config->writeEntry("Main HAngle", m_mainHAngleInput->value());
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config->writeEntry("Main VAngle", m_mainVAngleInput->value());
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config->writeEntry("Fine HAngle", m_fineHAngleInput->value());
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config->writeEntry("Fine VAngle", m_fineVAngleInput->value());
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config->writeEntry("Anti Aliasing", m_antialiasInput->isChecked());
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config->writeEntry("Guide Color", m_gboxSettings->guideColor());
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config->writeEntry("Guide Width", m_gboxSettings->guideSize());
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m_previewWidget->writeSettings();
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config->sync();
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}
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void ShearTool::slotResetSettings()
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{
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m_mainHAngleInput->blockSignals(true);
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m_mainVAngleInput->blockSignals(true);
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m_fineHAngleInput->blockSignals(true);
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m_fineVAngleInput->blockSignals(true);
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m_antialiasInput->blockSignals(true);
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m_mainHAngleInput->slotReset();
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m_mainVAngleInput->slotReset();
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m_fineHAngleInput->slotReset();
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m_fineVAngleInput->slotReset();
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m_antialiasInput->setChecked(true);
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m_mainHAngleInput->blockSignals(false);
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m_mainVAngleInput->blockSignals(false);
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m_fineHAngleInput->blockSignals(false);
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m_fineVAngleInput->blockSignals(false);
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m_antialiasInput->blockSignals(false);
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}
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void ShearTool::prepareEffect()
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{
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kapp->setOverrideCursor( KCursor::waitCursor() );
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m_mainHAngleInput->setEnabled(false);
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m_mainVAngleInput->setEnabled(false);
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m_fineHAngleInput->setEnabled(false);
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m_fineVAngleInput->setEnabled(false);
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m_antialiasInput->setEnabled(false);
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float hAngle = m_mainHAngleInput->value() + m_fineHAngleInput->value();
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float vAngle = m_mainVAngleInput->value() + m_fineVAngleInput->value();
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bool antialiasing = m_antialiasInput->isChecked();
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TQColor background = m_previewWidget->paletteBackgroundColor().rgb();
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ImageIface* iface = m_previewWidget->imageIface();
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int orgW = iface->originalWidth();
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int orgH = iface->originalHeight();
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uchar *data = iface->getPreviewImage();
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DImg image(iface->previewWidth(), iface->previewHeight(), iface->previewSixteenBit(),
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iface->previewHasAlpha(), data);
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delete [] data;
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setFilter(dynamic_cast<DImgThreadedFilter*>(new Shear(&image, this, hAngle, vAngle, antialiasing,
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background, orgW, orgH)));
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}
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void ShearTool::prepareFinal()
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{
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m_mainHAngleInput->setEnabled(false);
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m_mainVAngleInput->setEnabled(false);
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m_fineHAngleInput->setEnabled(false);
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m_fineVAngleInput->setEnabled(false);
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m_antialiasInput->setEnabled(false);
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float hAngle = m_mainHAngleInput->value() + m_fineHAngleInput->value();
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float vAngle = m_mainVAngleInput->value() + m_fineVAngleInput->value();
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bool antialiasing = m_antialiasInput->isChecked();
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TQColor background = TQt::black;
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ImageIface iface(0, 0);
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int orgW = iface.originalWidth();
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int orgH = iface.originalHeight();
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uchar *data = iface.getOriginalImage();
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DImg orgImage(orgW, orgH, iface.originalSixteenBit(), iface.originalHasAlpha(), data);
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delete [] data;
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setFilter(dynamic_cast<DImgThreadedFilter*>(new Shear(&orgImage, this, hAngle, vAngle, antialiasing,
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background, orgW, orgH)));
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}
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void ShearTool::putPreviewData()
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{
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ImageIface* iface = m_previewWidget->imageIface();
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int w = iface->previewWidth();
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int h = iface->previewHeight();
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DImg imTemp = filter()->getTargetImage().smoothScale(w, h, TQSize::ScaleMin);
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DImg imDest( w, h, filter()->getTargetImage().sixteenBit(),
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filter()->getTargetImage().hasAlpha() );
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imDest.fill(DColor(m_previewWidget->paletteBackgroundColor().rgb(),
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filter()->getTargetImage().sixteenBit()) );
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imDest.bitBltImage(&imTemp, (w-imTemp.width())/2, (h-imTemp.height())/2);
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iface->putPreviewImage((imDest.smoothScale(iface->previewWidth(),
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iface->previewHeight())).bits());
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m_previewWidget->updatePreview();
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TQSize newSize = dynamic_cast<Shear*>(filter())->getNewSize();
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TQString temp;
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m_newWidthLabel->setText(temp.setNum( newSize.width()) + i18n(" px") );
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m_newHeightLabel->setText(temp.setNum( newSize.height()) + i18n(" px") );
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}
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void ShearTool::putFinalData()
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{
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ImageIface iface(0, 0);
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DImg targetImage = filter()->getTargetImage();
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iface.putOriginalImage(i18n("Shear Tool"),
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targetImage.bits(),
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targetImage.width(), targetImage.height());
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}
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void ShearTool::renderingFinished()
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{
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m_mainHAngleInput->setEnabled(true);
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m_mainVAngleInput->setEnabled(true);
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m_fineHAngleInput->setEnabled(true);
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m_fineVAngleInput->setEnabled(true);
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m_antialiasInput->setEnabled(true);
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kapp->restoreOverrideCursor();
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}
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} // NameSpace DigikamShearToolImagesPlugin
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