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C++ AutoPtr::mimeType方法代码示例

本文整理汇总了C++中exiv2::image::AutoPtr::mimeType方法的典型用法代码示例。如果您正苦于以下问题:C++ AutoPtr::mimeType方法的具体用法?C++ AutoPtr::mimeType怎么用?C++ AutoPtr::mimeType使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在exiv2::image::AutoPtr的用法示例。


在下文中一共展示了AutoPtr::mimeType方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: QSize

bool KExiv2::loadFromData(const QByteArray& imgData) const
{
    if (imgData.isEmpty())
        return false;

    try
    {
        Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open((Exiv2::byte*)imgData.data(), imgData.size());

        d->filePath.clear();
        image->readMetadata();

        // Size and mimetype ---------------------------------

        d->pixelSize = QSize(image->pixelWidth(), image->pixelHeight());
        d->mimeType  = QString::fromLatin1(image->mimeType().c_str());

        // Image comments ---------------------------------

        d->imageComments() = image->comment();

        // Exif metadata ----------------------------------

        d->exifMetadata() = image->exifData();

        // Iptc metadata ----------------------------------

        d->iptcMetadata() = image->iptcData();

#ifdef _XMP_SUPPORT_

        // Xmp metadata -----------------------------------

        d->xmpMetadata() = image->xmpData();

#endif // _XMP_SUPPORT_

        return true;
    }
    catch( Exiv2::Error& e )
    {
        d->printExiv2ExceptionError(QString::fromLatin1("Cannot load metadata using Exiv2 "), e);
    }
    catch(...)
    {
        qCCritical(LIBKEXIV2_LOG) << "Default exception from Exiv2";
    }

    return false;
}
开发者ID:KDE,项目名称:libkexiv2,代码行数:50,代码来源:kexiv2.cpp

示例2: xmpSidecarFileInfo

bool KExiv2::load(const QString& filePath) const
{
    if (filePath.isEmpty())
    {
        return false;
    }

    d->filePath      = filePath;
    bool hasLoaded   = false;

    try
    {
        Exiv2::Image::AutoPtr image;

        image        = Exiv2::ImageFactory::open((const char*)(QFile::encodeName(filePath)).constData());

        image->readMetadata();

        // Size and mimetype ---------------------------------

        d->pixelSize = QSize(image->pixelWidth(), image->pixelHeight());
        d->mimeType  = QString::fromLatin1(image->mimeType().c_str());

        // Image comments ---------------------------------

        d->imageComments() = image->comment();

        // Exif metadata ----------------------------------

        d->exifMetadata() = image->exifData();

        // Iptc metadata ----------------------------------

        d->iptcMetadata() = image->iptcData();

#ifdef _XMP_SUPPORT_

        // Xmp metadata -----------------------------------
        d->xmpMetadata() = image->xmpData();

#endif // _XMP_SUPPORT_

        hasLoaded = true;
    }
    catch( Exiv2::Error& e )
    {
        d->printExiv2ExceptionError(QString::fromLatin1("Cannot load metadata from file "), e);
    }
    catch(...)
    {
        qCCritical(LIBKEXIV2_LOG) << "Default exception from Exiv2";
    }

#ifdef _XMP_SUPPORT_
    try
    {
        if (d->useXMPSidecar4Reading)
        {
            QString xmpSidecarPath = sidecarFilePathForFile(filePath);
            QFileInfo xmpSidecarFileInfo(xmpSidecarPath);

            Exiv2::Image::AutoPtr xmpsidecar;

            if (xmpSidecarFileInfo.exists() && xmpSidecarFileInfo.isReadable())
            {
                // Read sidecar data
                xmpsidecar = Exiv2::ImageFactory::open(QFile::encodeName(xmpSidecarPath).constData());
                xmpsidecar->readMetadata();

                // Merge
                d->loadSidecarData(xmpsidecar);
                hasLoaded = true;
            }
        }
    }
    catch( Exiv2::Error& e )
    {
        d->printExiv2ExceptionError(QString::fromLatin1("Cannot load XMP sidecar"), e);
    }
    catch(...)
    {
        qCCritical(LIBKEXIV2_LOG) << "Default exception from Exiv2";
    }

#endif // _XMP_SUPPORT_

    return hasLoaded;
}
开发者ID:KDE,项目名称:libkexiv2,代码行数:88,代码来源:kexiv2.cpp

示例3: if

bool KExiv2::Private::saveOperations(const QFileInfo& finfo, Exiv2::Image::AutoPtr image) const
{
    try
    {
        Exiv2::AccessMode mode;
        bool wroteComment = false, wroteEXIF = false, wroteIPTC = false, wroteXMP = false;

        // We need to load target file metadata to merge with new one. It's mandatory with TIFF format:
        // like all tiff file structure is based on Exif.
        image->readMetadata();

        // Image Comments ---------------------------------

        mode = image->checkMode(Exiv2::mdComment);

        if ((mode == Exiv2::amWrite) || (mode == Exiv2::amReadWrite))
        {
            image->setComment(imageComments());
            wroteComment = true;
        }

        // Exif metadata ----------------------------------

        mode = image->checkMode(Exiv2::mdExif);

        if ((mode == Exiv2::amWrite) || (mode == Exiv2::amReadWrite))
        {
            if (image->mimeType() == "image/tiff")
            {
                Exiv2::ExifData orgExif = image->exifData();
                Exiv2::ExifData newExif;
                QStringList     untouchedTags;

                // With tiff image we cannot overwrite whole Exif data as well, because
                // image data are stored in Exif container. We need to take a care about
                // to not lost image data.
                untouchedTags << "Exif.Image.ImageWidth";
                untouchedTags << "Exif.Image.ImageLength";
                untouchedTags << "Exif.Image.BitsPerSample";
                untouchedTags << "Exif.Image.Compression";
                untouchedTags << "Exif.Image.PhotometricInterpretation";
                untouchedTags << "Exif.Image.FillOrder";
                untouchedTags << "Exif.Image.SamplesPerPixel";
                untouchedTags << "Exif.Image.StripOffsets";
                untouchedTags << "Exif.Image.RowsPerStrip";
                untouchedTags << "Exif.Image.StripByteCounts";
                untouchedTags << "Exif.Image.XResolution";
                untouchedTags << "Exif.Image.YResolution";
                untouchedTags << "Exif.Image.PlanarConfiguration";
                untouchedTags << "Exif.Image.ResolutionUnit";

                for (Exiv2::ExifData::iterator it = orgExif.begin(); it != orgExif.end(); ++it)
                {
                    if (untouchedTags.contains(it->key().c_str()))
                    {
                        newExif[it->key().c_str()] = orgExif[it->key().c_str()];
                    }
                }

                Exiv2::ExifData readedExif = exifMetadata();

                for (Exiv2::ExifData::iterator it = readedExif.begin(); it != readedExif.end(); ++it)
                {
                    if (!untouchedTags.contains(it->key().c_str()))
                    {
                        newExif[it->key().c_str()] = readedExif[it->key().c_str()];
                    }
                }

                image->setExifData(newExif);
            }
            else
            {
                image->setExifData(exifMetadata());
            }

            wroteEXIF = true;
        }

        // Iptc metadata ----------------------------------

        mode = image->checkMode(Exiv2::mdIptc);

        if ((mode == Exiv2::amWrite) || (mode == Exiv2::amReadWrite))
        {
            image->setIptcData(iptcMetadata());
            wroteIPTC = true;
        }

        // Xmp metadata -----------------------------------

        mode = image->checkMode(Exiv2::mdXmp);

        if ((mode == Exiv2::amWrite) || (mode == Exiv2::amReadWrite))
        {
#ifdef _XMP_SUPPORT_
            image->setXmpData(xmpMetadata());
            wroteXMP = true;
#endif
        }
//.........这里部分代码省略.........
开发者ID:veaceslav,项目名称:Exiv2-hacking,代码行数:101,代码来源:kexiv2_p.cpp


注:本文中的exiv2::image::AutoPtr::mimeType方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。