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Diffstat (limited to 'src/utilities/imageeditor/tools/imageresize.cpp')
| -rw-r--r-- | src/utilities/imageeditor/tools/imageresize.cpp | 650 |
1 files changed, 650 insertions, 0 deletions
diff --git a/src/utilities/imageeditor/tools/imageresize.cpp b/src/utilities/imageeditor/tools/imageresize.cpp new file mode 100644 index 00000000..c779b71e --- /dev/null +++ b/src/utilities/imageeditor/tools/imageresize.cpp @@ -0,0 +1,650 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2005-04-07 + * Description : a tool to resize an image + * + * Copyright (C) 2005-2009 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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, 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. + * + * ============================================================ */ + +// C++ includes. + +#include <cmath> + +// TQt includes. + +#include <tqvgroupbox.h> +#include <tqlabel.h> +#include <tqpushbutton.h> +#include <tqtooltip.h> +#include <tqwhatsthis.h> +#include <tqlayout.h> +#include <tqframe.h> +#include <tqcheckbox.h> +#include <tqcombobox.h> +#include <tqtabwidget.h> +#include <tqtimer.h> +#include <tqevent.h> +#include <tqpixmap.h> +#include <tqbrush.h> +#include <tqfile.h> +#include <tqimage.h> + +// KDE includes. + +#include <kseparator.h> +#include <kcursor.h> +#include <kurllabel.h> +#include <tdelocale.h> +#include <kiconloader.h> +#include <tdeapplication.h> +#include <tdefiledialog.h> +#include <kstandarddirs.h> +#include <kprogress.h> +#include <tdemessagebox.h> +#include <knuminput.h> +#include <tdeglobalsettings.h> + +// LibKDcraw includes. + +#include <libkdcraw/rnuminput.h> + +// Digikam includes. + +#include "dimg.h" +#include "ddebug.h" +#include "imageiface.h" +#include "dimgthreadedfilter.h" +#include "greycstorationiface.h" +#include "greycstorationwidget.h" +#include "greycstorationsettings.h" + +// Local includes. + +#include "imageresize.h" +#include "imageresize.moc" + +using namespace KDcrawIface; + +namespace Digikam +{ + +class ImageResizePriv +{ +public: + + enum RunningMode + { + NoneRendering=0, + FinalRendering + }; + + ImageResizePriv() + { + currentRenderingMode = NoneRendering; + parent = 0; + preserveRatioBox = 0; + useGreycstorationBox = 0; + mainTab = 0; + wInput = 0; + hInput = 0; + wpInput = 0; + hpInput = 0; + progressBar = 0; + greycstorationIface = 0; + settingsWidget = 0; + cimgLogoLabel = 0; + restorationTips = 0; + } + + int currentRenderingMode; + int orgWidth; + int orgHeight; + int prevW; + int prevH; + + double prevWP; + double prevHP; + + TQWidget *parent; + + TQLabel *restorationTips; + + TQCheckBox *preserveRatioBox; + TQCheckBox *useGreycstorationBox; + + TQTabWidget *mainTab; + + RIntNumInput *wInput; + RIntNumInput *hInput; + + RDoubleNumInput *wpInput; + RDoubleNumInput *hpInput; + + KProgress *progressBar; + + KURLLabel *cimgLogoLabel; + + GreycstorationIface *greycstorationIface; + GreycstorationWidget *settingsWidget; +}; + +ImageResize::ImageResize(TQWidget* parent) + : KDialogBase(Plain, i18n("Resize Image"), + Help|Default|User2|User3|Ok|Cancel, Ok, + parent, 0, true, false, + TQString(), + i18n("&Save As..."), + i18n("&Load...")) +{ + d = new ImageResizePriv; + d->parent = parent; + setHelp("resizetool.anchor", "digikam"); + TQString whatsThis; + setButtonWhatsThis( Default, i18n("<p>Reset all filter parameters to their default values.") ); + setButtonWhatsThis( User3, i18n("<p>Load all filter parameters from settings text file.") ); + setButtonWhatsThis( User2, i18n("<p>Save all filter parameters to settings text file.") ); + enableButton(Ok, false); + + ImageIface iface(0, 0); + d->orgWidth = iface.originalWidth(); + d->orgHeight = iface.originalHeight(); + d->prevW = d->orgWidth; + d->prevH = d->orgHeight; + d->prevWP = 100.0; + d->prevHP = 100.0; + + // ------------------------------------------------------------- + + TQVBoxLayout *vlay = new TQVBoxLayout(plainPage(), 0, spacingHint()); + d->mainTab = new TQTabWidget( plainPage() ); + + TQWidget* firstPage = new TQWidget( d->mainTab ); + TQGridLayout* grid = new TQGridLayout( firstPage, 8, 2, spacingHint()); + d->mainTab->addTab( firstPage, i18n("New Size") ); + + TQLabel *label1 = new TQLabel(i18n("Width:"), firstPage); + d->wInput = new RIntNumInput(firstPage); + d->wInput->setRange(1, TQMAX(d->orgWidth * 10, 9999), 1); + d->wInput->setName("d->wInput"); + d->wInput->setDefaultValue(d->orgWidth); + TQWhatsThis::add( d->wInput, i18n("<p>Set here the new image width in pixels.")); + + TQLabel *label2 = new TQLabel(i18n("Height:"), firstPage); + d->hInput = new RIntNumInput(firstPage); + d->hInput->setRange(1, TQMAX(d->orgHeight * 10, 9999), 1); + d->hInput->setName("d->hInput"); + d->hInput->setDefaultValue(d->orgHeight); + TQWhatsThis::add( d->hInput, i18n("<p>Set here the new image height in pixels.")); + + TQLabel *label3 = new TQLabel(i18n("Width (%):"), firstPage); + d->wpInput = new RDoubleNumInput(firstPage); + d->wpInput->setRange(1.0, 999.0, 1.0); + d->wpInput->setName("d->wpInput"); + d->wpInput->setDefaultValue(100.0); + TQWhatsThis::add( d->wpInput, i18n("<p>Set here the new image width in percent.")); + + TQLabel *label4 = new TQLabel(i18n("Height (%):"), firstPage); + d->hpInput = new RDoubleNumInput(firstPage); + d->hpInput->setRange(1.0, 999.0, 1.0); + d->hpInput->setName("d->hpInput"); + d->hpInput->setDefaultValue(100.0); + TQWhatsThis::add( d->hpInput, i18n("<p>Set here the new image height in percent.")); + + d->preserveRatioBox = new TQCheckBox(i18n("Maintain aspect ratio"), firstPage); + TQWhatsThis::add( d->preserveRatioBox, i18n("<p>Enable this option to maintain aspect " + "ratio with new image sizes.")); + + d->cimgLogoLabel = new KURLLabel(firstPage); + d->cimgLogoLabel->setText(TQString()); + d->cimgLogoLabel->setURL("http://cimg.sourceforge.net"); + TDEGlobal::dirs()->addResourceType("logo-cimg", TDEGlobal::dirs()->kde_default("data") + + "digikam/data"); + TQString directory = TDEGlobal::dirs()->findResourceDir("logo-cimg", "logo-cimg.png"); + d->cimgLogoLabel->setPixmap( TQPixmap( directory + "logo-cimg.png" ) ); + TQToolTip::add(d->cimgLogoLabel, i18n("Visit CImg library website")); + + d->useGreycstorationBox = new TQCheckBox(i18n("Restore photograph"), firstPage); + TQWhatsThis::add( d->useGreycstorationBox, i18n("<p>Enable this option to restore photograph content. " + "This way is usefull to scale-up an image to an huge size. " + "Warning: this process can take a while.")); + + d->restorationTips = new TQLabel(i18n("<b>Note: use Restoration Mode to only scale-up an image to huge size. " + "Warning, this process can take a while.</b>"), firstPage); + + d->progressBar = new KProgress(100, firstPage); + d->progressBar->setValue(0); + TQWhatsThis::add(d->progressBar, i18n("<p>This shows the current progress when you use Restoration mode.")); + + grid->addMultiCellWidget(d->preserveRatioBox, 0, 0, 0, 2); + grid->addMultiCellWidget(label1, 1, 1, 0, 0); + grid->addMultiCellWidget(d->wInput, 1, 1, 1, 2); + grid->addMultiCellWidget(label2, 2, 2, 0, 0); + grid->addMultiCellWidget(d->hInput, 2, 2, 1, 2); + grid->addMultiCellWidget(label3, 3, 3, 0, 0); + grid->addMultiCellWidget(d->wpInput, 3, 3, 1, 2); + grid->addMultiCellWidget(label4, 4, 4, 0, 0); + grid->addMultiCellWidget(d->hpInput, 4, 4, 1, 2); + grid->addMultiCellWidget(new KSeparator(firstPage), 5, 5, 0, 2); + grid->addMultiCellWidget(d->cimgLogoLabel, 6, 8, 0, 0); + grid->addMultiCellWidget(d->useGreycstorationBox, 6, 6, 1, 2); + grid->addMultiCellWidget(d->restorationTips, 7, 7, 1, 2); + grid->addMultiCellWidget(d->progressBar, 8, 8, 1, 2); + grid->setRowStretch(8, 10); + + // ------------------------------------------------------------- + + d->settingsWidget = new GreycstorationWidget(d->mainTab); + vlay->addWidget(d->mainTab); + + // ------------------------------------------------------------- + + adjustSize(); + disableResize(); + TQTimer::singleShot(0, this, TQ_SLOT(readUserSettings())); + + // ------------------------------------------------------------- + + connect(d->cimgLogoLabel, TQ_SIGNAL(leftClickedURL(const TQString&)), + this, TQ_SLOT(processCImgURL(const TQString&))); + + connect(d->wInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotValuesChanged())); + + connect(d->hInput, TQ_SIGNAL(valueChanged(int)), + this, TQ_SLOT(slotValuesChanged())); + + connect(d->wpInput, TQ_SIGNAL(valueChanged(double)), + this, TQ_SLOT(slotValuesChanged())); + + connect(d->hpInput, TQ_SIGNAL(valueChanged(double)), + this, TQ_SLOT(slotValuesChanged())); + + connect(d->useGreycstorationBox, TQ_SIGNAL(toggled(bool)), + this, TQ_SLOT(slotRestorationToggled(bool)) ); + + // ------------------------------------------------------------- + + Digikam::GreycstorationSettings defaults; + defaults.setResizeDefaultSettings(); + d->settingsWidget->setDefaultSettings(defaults); +} + +ImageResize::~ImageResize() +{ + if (d->greycstorationIface) + delete d->greycstorationIface; + + delete d; +} + +void ImageResize::slotRestorationToggled(bool b) +{ + d->settingsWidget->setEnabled(b); + d->progressBar->setEnabled(b); + d->cimgLogoLabel->setEnabled(b); + enableButton(User2, b); + enableButton(User3, b); +} + +void ImageResize::readUserSettings() +{ + TDEConfig* config = kapp->config(); + config->setGroup("resize Tool Dialog"); + + GreycstorationSettings settings; + GreycstorationSettings defaults; + defaults.setResizeDefaultSettings(); + + settings.fastApprox = config->readBoolEntry("FastApprox", defaults.fastApprox); + settings.interp = config->readNumEntry("Interpolation", defaults.interp); + settings.amplitude = config->readDoubleNumEntry("Amplitude", defaults.amplitude); + settings.sharpness = config->readDoubleNumEntry("Sharpness", defaults.sharpness); + settings.anisotropy = config->readDoubleNumEntry("Anisotropy", defaults.anisotropy); + settings.alpha = config->readDoubleNumEntry("Alpha", defaults.alpha); + settings.sigma = config->readDoubleNumEntry("Sigma", defaults.sigma); + settings.gaussPrec = config->readDoubleNumEntry("GaussPrec", defaults.gaussPrec); + settings.dl = config->readDoubleNumEntry("Dl", defaults.dl); + settings.da = config->readDoubleNumEntry("Da", defaults.da); + settings.nbIter = config->readNumEntry("Iteration", defaults.nbIter); + settings.tile = config->readNumEntry("Tile", defaults.tile); + settings.btile = config->readNumEntry("BTile", defaults.btile); + d->settingsWidget->setSettings(settings); + + d->useGreycstorationBox->setChecked(config->readBoolEntry("RestorePhotograph", false)); + slotRestorationToggled(d->useGreycstorationBox->isChecked()); + + d->preserveRatioBox->blockSignals(true); + d->wInput->blockSignals(true); + d->hInput->blockSignals(true); + d->wpInput->blockSignals(true); + d->hpInput->blockSignals(true); + + d->preserveRatioBox->setChecked(true); + d->wInput->slotReset(); + d->hInput->slotReset(); + d->wpInput->slotReset(); + d->hpInput->slotReset(); + + d->preserveRatioBox->blockSignals(false); + d->wInput->blockSignals(false); + d->hInput->blockSignals(false); + d->wpInput->blockSignals(false); + d->hpInput->blockSignals(false); +} + +void ImageResize::writeUserSettings() +{ + GreycstorationSettings settings = d->settingsWidget->getSettings(); + TDEConfig* config = kapp->config(); + config->setGroup("resize Tool Dialog"); + config->writeEntry("FastApprox", settings.fastApprox); + config->writeEntry("Interpolation", settings.interp); + config->writeEntry("Amplitude", settings.amplitude); + config->writeEntry("Sharpness", settings.sharpness); + config->writeEntry("Anisotropy", settings.anisotropy); + config->writeEntry("Alpha", settings.alpha); + config->writeEntry("Sigma", settings.sigma); + config->writeEntry("GaussPrec", settings.gaussPrec); + config->writeEntry("Dl", settings.dl); + config->writeEntry("Da", settings.da); + config->writeEntry("Iteration", settings.nbIter); + config->writeEntry("Tile", settings.tile); + config->writeEntry("BTile", settings.btile); + config->writeEntry("RestorePhotograph", d->useGreycstorationBox->isChecked()); + config->sync(); +} + +void ImageResize::slotDefault() +{ + GreycstorationSettings settings; + settings.setResizeDefaultSettings(); + + d->settingsWidget->setSettings(settings); + d->useGreycstorationBox->setChecked(false); + slotRestorationToggled(d->useGreycstorationBox->isChecked()); + + d->preserveRatioBox->blockSignals(true); + d->wInput->blockSignals(true); + d->hInput->blockSignals(true); + d->wpInput->blockSignals(true); + d->hpInput->blockSignals(true); + d->preserveRatioBox->setChecked(true); + d->wInput->setValue(d->orgWidth); + d->hInput->setValue(d->orgHeight); + d->wpInput->setValue(100.0); + d->hpInput->setValue(100.0); + d->preserveRatioBox->blockSignals(false); + d->wInput->blockSignals(false); + d->hInput->blockSignals(false); + d->wpInput->blockSignals(false); + d->hpInput->blockSignals(false); +} + +void ImageResize::slotValuesChanged() +{ + enableButton(Ok, true); + d->wInput->blockSignals(true); + d->hInput->blockSignals(true); + d->wpInput->blockSignals(true); + d->hpInput->blockSignals(true); + + TQString s(sender()->name()); + + if (s == "d->wInput") + { + double val = d->wInput->value(); + double wp = val/(double)(d->orgWidth) * 100.0; + d->wpInput->setValue(wp); + + if (d->preserveRatioBox->isChecked()) + { + d->hpInput->setValue(wp); + int h = (int)(wp*d->orgHeight/100); + d->hInput->setValue(h); + } + } + else if (s == "d->hInput") + { + double val = d->hInput->value(); + double hp = val/(double)(d->orgHeight) * 100.0; + d->hpInput->setValue(hp); + + if (d->preserveRatioBox->isChecked()) + { + d->wpInput->setValue(hp); + int w = (int)(hp*d->orgWidth/100); + d->wInput->setValue(w); + } + } + else if (s == "d->wpInput") + { + double val = d->wpInput->value(); + int w = (int)(val*d->orgWidth/100); + d->wInput->setValue(w); + + if (d->preserveRatioBox->isChecked()) + { + d->hpInput->setValue(val); + int h = (int)(val*d->orgHeight/100); + d->hInput->setValue(h); + } + } + else if (s == "d->hpInput") + { + double val = d->hpInput->value(); + int h = (int)(val*d->orgHeight/100); + d->hInput->setValue(h); + + if (d->preserveRatioBox->isChecked()) + { + d->wpInput->setValue(val); + int w = (int)(val*d->orgWidth/100); + d->wInput->setValue(w); + } + } + + d->prevW = d->wInput->value(); + d->prevH = d->hInput->value(); + d->prevWP = d->wpInput->value(); + d->prevHP = d->hpInput->value(); + + d->wInput->blockSignals(false); + d->hInput->blockSignals(false); + d->wpInput->blockSignals(false); + d->hpInput->blockSignals(false); +} + +void ImageResize::slotCancel() +{ + if (d->currentRenderingMode != ImageResizePriv::NoneRendering) + { + d->greycstorationIface->stopComputation(); + d->parent->unsetCursor(); + } + + done(Cancel); +} + +void ImageResize::processCImgURL(const TQString& url) +{ + TDEApplication::kApplication()->invokeBrowser(url); +} + +void ImageResize::closeEvent(TQCloseEvent *e) +{ + if (d->currentRenderingMode != ImageResizePriv::NoneRendering) + { + d->greycstorationIface->stopComputation(); + d->parent->unsetCursor(); + } + + e->accept(); +} + +void ImageResize::slotOk() +{ + if (d->prevW != d->wInput->value() || d->prevH != d->hInput->value() || + d->prevWP != d->wpInput->value() || d->prevHP != d->hpInput->value()) + slotValuesChanged(); + + d->currentRenderingMode = ImageResizePriv::FinalRendering; + d->mainTab->setCurrentPage(0); + d->settingsWidget->setEnabled(false); + d->preserveRatioBox->setEnabled(false); + d->useGreycstorationBox->setEnabled(false); + d->wInput->setEnabled(false); + d->hInput->setEnabled(false); + d->wpInput->setEnabled(false); + d->hpInput->setEnabled(false); + enableButton(Ok, false); + enableButton(Default, false); + enableButton(User2, false); + enableButton(User3, false); + + d->parent->setCursor( KCursor::waitCursor() ); + writeUserSettings(); + ImageIface iface(0, 0); + uchar *data = iface.getOriginalImage(); + DImg image = DImg(iface.originalWidth(), iface.originalHeight(), + iface.originalSixteenBit(), iface.originalHasAlpha(), data); + delete [] data; + + if (d->useGreycstorationBox->isChecked()) + { + d->progressBar->setValue(0); + d->progressBar->setEnabled(true); + + if (d->greycstorationIface) + { + delete d->greycstorationIface; + d->greycstorationIface = 0; + } + + d->greycstorationIface = new GreycstorationIface( + &image, d->settingsWidget->getSettings(), + GreycstorationIface::Resize, + d->wInput->value(), + d->hInput->value(), + 0, this); + } + else + { + // See B.K.O #152192: CImg resize() sound like bugous or unadapted + // to resize image without good quality. + + image.resize(d->wInput->value(), d->hInput->value()); + iface.putOriginalImage(i18n("Resize"), image.bits(), + image.width(), image.height()); + d->parent->unsetCursor(); + accept(); + } +} + +void ImageResize::customEvent(TQCustomEvent *event) +{ + if (!event) return; + + GreycstorationIface::EventData *data = (GreycstorationIface::EventData*) event->data(); + + if (!data) return; + + if (data->starting) // Computation in progress ! + { + d->progressBar->setValue(data->progress); + } + else + { + if (data->success) // Computation Completed ! + { + switch (d->currentRenderingMode) + { + case ImageResizePriv::FinalRendering: + { + DDebug() << "Final resizing completed..." << endl; + + ImageIface iface(0, 0); + DImg resizedImage = d->greycstorationIface->getTargetImage(); + + iface.putOriginalImage(i18n("Resize"), resizedImage.bits(), + resizedImage.width(), resizedImage.height()); + d->parent->unsetCursor(); + accept(); + break; + } + } + } + else // Computation Failed ! + { + switch (d->currentRenderingMode) + { + case ImageResizePriv::FinalRendering: + break; + } + } + } + + delete data; +} + +void ImageResize::slotUser3() +{ + KURL loadBlowupFile = KFileDialog::getOpenURL(TDEGlobalSettings::documentPath(), + TQString( "*" ), this, + TQString( i18n("Photograph Resizing Settings File to Load")) ); + if( loadBlowupFile.isEmpty() ) + return; + + TQFile file(loadBlowupFile.path()); + + if ( file.open(IO_ReadOnly) ) + { + if (!d->settingsWidget->loadSettings(file, TQString("# Photograph Resizing Configuration File"))) + { + KMessageBox::error(this, + i18n("\"%1\" is not a Photograph Resizing settings text file.") + .arg(loadBlowupFile.fileName())); + file.close(); + return; + } + } + else + KMessageBox::error(this, i18n("Cannot load settings from the Photograph Resizing text file.")); + + file.close(); +} + +void ImageResize::slotUser2() +{ + KURL saveBlowupFile = KFileDialog::getSaveURL(TDEGlobalSettings::documentPath(), + TQString( "*" ), this, + TQString( i18n("Photograph Resizing Settings File to Save")) ); + if( saveBlowupFile.isEmpty() ) + return; + + TQFile file(saveBlowupFile.path()); + + if ( file.open(IO_WriteOnly) ) + d->settingsWidget->saveSettings(file, TQString("# Photograph Resizing Configuration File")); + else + KMessageBox::error(this, i18n("Cannot save settings to the Photograph Resizing text file.")); + + file.close(); +} + +} // NameSpace Digikam + |