File indexing completed on 2024-05-12 16:01:49

 /*
     This file is part of the KDE libraries
 
     SPDX-FileCopyrightText: 2001 Werner Trobin <trobin@kde.org>
     SPDX-FileCopyrightText: 2002 Werner Trobin <trobin@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "KisImportExportFilter.h"
 
 #include <QFile>
 #include <QFileInfo>
 #include <kis_debug.h>
 #include <QStack>
 #include "KisImportExportManager.h"
 #include <KoColorSpaceRegistry.h>
 #include <KoColorModelStandardIds.h>
 #include <KisExportCheckBase.h>
 #include <KisExportCheckRegistry.h>
 #include "KoUpdater.h"
 #include <klocalizedstring.h>
 #include "kis_config.h"
 #include <KoStore.h>
 #include <KisDocument.h>
 
 const QString KisImportExportFilter::ImageContainsTransparencyTag = "ImageContainsTransparency";
 const QString KisImportExportFilter::ColorModelIDTag = "ColorModelID";
 const QString KisImportExportFilter::ColorDepthIDTag = "ColorDepthID";
 const QString KisImportExportFilter::sRGBTag = "sRGB";
 const QString KisImportExportFilter::CICPPrimariesTag = "CICPCompatiblePrimaries";
 const QString KisImportExportFilter::CICPTransferCharacteristicsTag = "CICPCompatibleTransferFunction";
 const QString KisImportExportFilter::HDRTag = "HDRSupported";
 
 class Q_DECL_HIDDEN KisImportExportFilter::Private
 {
 public:
     QPointer<KoUpdater> updater;
     QByteArray mime;
     QString filename;
     QString realFilename;
     bool batchmode;
 
     QMap<QString, KisExportCheckBase*> capabilities;
 
     Private()
         : updater(0), mime("")
         , batchmode(false)
     {}
 
     ~Private()
     {
         qDeleteAll(capabilities);
     }
 
 };
 
 
 KisImportExportFilter::KisImportExportFilter(QObject *parent)
     : QObject(parent)
     , d(new Private)
 {
 }
 
 KisImportExportFilter::~KisImportExportFilter()
 {
     if (d->updater) {
         d->updater->setProgress(100);
     }
     delete d;
 }
 
 QString KisImportExportFilter::filename() const
 {
     return d->filename;
 }
 
 QString KisImportExportFilter::realFilename() const
 {
     return d->realFilename;
 }
 
 bool KisImportExportFilter::batchMode() const
 {
     return d->batchmode;
 }
 
 
 void KisImportExportFilter::setBatchMode(bool batchmode)
 {
     d->batchmode = batchmode;
 }
 
 void KisImportExportFilter::setFilename(const QString &filename)
 {
     d->filename = filename;
 }
 
 void KisImportExportFilter::setRealFilename(const QString &filename)
 {
     d->realFilename = filename;
 }
 
 
 void KisImportExportFilter::setMimeType(const QString &mime)
 {
     d->mime = mime.toLatin1();
 }
 
 QByteArray KisImportExportFilter::mimeType() const
 {
     return d->mime;
 }
 
 KisPropertiesConfigurationSP KisImportExportFilter::defaultConfiguration(const QByteArray &from, const QByteArray &to) const
 {
     Q_UNUSED(from);
     Q_UNUSED(to);
     return 0;
 }
 
 KisPropertiesConfigurationSP KisImportExportFilter::lastSavedConfiguration(const QByteArray &from, const QByteArray &to) const
 {
     KisPropertiesConfigurationSP cfg = defaultConfiguration(from, to);
     const QString filterConfig = KisConfig(true).exportConfigurationXML(to);
     if (cfg && !filterConfig.isEmpty()) {
         cfg->fromXML(filterConfig, false);
     }
     return cfg;
 }
 
 KisConfigWidget *KisImportExportFilter::createConfigurationWidget(QWidget *, const QByteArray &from, const QByteArray &to) const
 {
     Q_UNUSED(from);
     Q_UNUSED(to);
     return 0;
 }
 
 QMap<QString, KisExportCheckBase *> KisImportExportFilter::exportChecks()
 {
     qDeleteAll(d->capabilities);
     initializeCapabilities();
     return d->capabilities;
 }
 
 QString KisImportExportFilter::verify(const QString &fileName) const
 {
     QFileInfo fi(fileName);
 
     if (!fi.exists()) {
         return i18n("%1 does not exist after writing. Try saving again under a different name, in another location.", fileName);
     }
 
     if (!fi.isReadable()) {
         return i18n("%1 is not readable", fileName);
     }
 
     if (fi.size() < 10)  {
         return i18n("%1 is smaller than 10 bytes, it must be corrupt. Try saving again under a different name, in another location.", fileName);
     }
 
     QFile f(fileName);
     f.open(QFile::ReadOnly);
     QByteArray ba = f.read(std::min(f.size(), (qint64)1000));
     bool found = false;
     for(int i = 0; i < ba.size(); ++i) {
         if (ba.at(i) > 0) {
             found = true;
             break;
         }
     }
 
     if (!found) {
         return i18n("%1 has only zero bytes in the first 1000 bytes, it's probably corrupt. Try saving again under a different name, in another location.", fileName);
     }
 
     return QString();
 }
 
 void KisImportExportFilter::setUpdater(QPointer<KoUpdater> updater)
 {
     d->updater = updater;
 }
 
 QPointer<KoUpdater> KisImportExportFilter::updater()
 {
     return d->updater;
 }
 
 void KisImportExportFilter::setProgress(int value)
 {
     if (d->updater) {
         d->updater->setValue(value);
     }
 }
 
 void KisImportExportFilter::initializeCapabilities()
 {
     // XXX: Initialize everything to fully supported?
 }
 
 void KisImportExportFilter::addCapability(KisExportCheckBase *capability)
 {
     d->capabilities[capability->id()] = capability;
 }
 
 
 
 void KisImportExportFilter::addSupportedColorModels(QList<QPair<KoID, KoID> > supportedColorModels, const QString &name, KisExportCheckBase::Level level)
 {
     Q_ASSERT(level != KisExportCheckBase::SUPPORTED);
     QString layerMessage;
     QString imageMessage;
     QList<KoID> allColorModels = KoColorSpaceRegistry::instance()->colorModelsList(KoColorSpaceRegistry::AllColorSpaces);
     Q_FOREACH(const KoID &colorModelID, allColorModels) {
         QList<KoID> allColorDepths = KoColorSpaceRegistry::instance()->colorDepthList(colorModelID.id(), KoColorSpaceRegistry::AllColorSpaces);
         Q_FOREACH(const KoID &colorDepthID, allColorDepths) {
 
             KisExportCheckFactory *colorModelCheckFactory =
                     KisExportCheckRegistry::instance()->get("ColorModelCheck/" + colorModelID.id() + "/" + colorDepthID.id());
             KisExportCheckFactory *colorModelPerLayerCheckFactory =
                     KisExportCheckRegistry::instance()->get("ColorModelPerLayerCheck/" + colorModelID.id() + "/" + colorDepthID.id());
 
             if(!colorModelCheckFactory || !colorModelPerLayerCheckFactory) {
                 qWarning() << "No factory for" << colorModelID << colorDepthID;
                 continue;
             }
 
             if (supportedColorModels.contains(QPair<KoID, KoID>(colorModelID, colorDepthID))) {
                 addCapability(colorModelCheckFactory->create(KisExportCheckBase::SUPPORTED));
                 addCapability(colorModelPerLayerCheckFactory->create(KisExportCheckBase::SUPPORTED));
             }
             else {
 
 
                 if (level == KisExportCheckBase::PARTIALLY) {
                     imageMessage = i18nc("image conversion warning",
                                          "%1 cannot save images with color model <b>%2</b> and depth <b>%3</b>. The image will be converted."
                                          ,name, colorModelID.name(), colorDepthID.name());
 
                     layerMessage =
                             i18nc("image conversion warning",
                                   "%1 cannot save layers with color model <b>%2</b> and depth <b>%3</b>. The layers will be converted or skipped."
                                   ,name, colorModelID.name(), colorDepthID.name());
                 }
                 else {
                     imageMessage = i18nc("image conversion warning",
                                          "%1 cannot save images with color model <b>%2</b> and depth <b>%3</b>. The image will not be saved."
                                          ,name, colorModelID.name(), colorDepthID.name());
 
                     layerMessage =
                             i18nc("image conversion warning",
                                   "%1 cannot save layers with color model <b>%2</b> and depth <b>%3</b>. The layers will be skipped."
                                   , name, colorModelID.name(), colorDepthID.name());
                  }
 
 
 
                 addCapability(colorModelCheckFactory->create(level, imageMessage));
                 addCapability(colorModelPerLayerCheckFactory->create(level, layerMessage));
             }
         }
     }
 }
 
 QString KisImportExportFilter::verifyZiPBasedFiles(const QString &fileName, const QStringList &filesToCheck) const
 {
     QScopedPointer<KoStore> store(KoStore::createStore(fileName, KoStore::Read, KIS_MIME_TYPE, KoStore::Zip));
 
     if (!store || store->bad()) {
         return i18n("Could not open the saved file %1. Please try to save again in a different location.", fileName);
     }
 
     Q_FOREACH(const QString &file, filesToCheck) {
         if (!store->hasFile(file)) {
             return i18n("File %1 is missing in %2 and is broken. Please try to save again in a different location.", file, fileName);
         }
     }
 
     return QString();
 
 }