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C++ QTextImageFormat::hasProperty方法代码示例

本文整理汇总了C++中QTextImageFormat::hasProperty方法的典型用法代码示例。如果您正苦于以下问题：C++ QTextImageFormat::hasProperty方法的具体用法？C++ QTextImageFormat::hasProperty怎么用？C++ QTextImageFormat::hasProperty使用的例子？那么, 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类QTextImageFormat的用法示例。


在下文中一共展示了QTextImageFormat::hasProperty方法的6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: getImageSize

static QSize getImageSize(QTextDocument *doc, const QTextImageFormat &format)
{
    QImage image;

    const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
    const int width = qRound(format.width());
    const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
    const int height = qRound(format.height());

    QSize size(width, height);
    if (!hasWidth || !hasHeight) {
        image = getImage(doc, format);
        if (!hasWidth)
            size.setWidth(image.width());
        if (!hasHeight)
            size.setHeight(image.height());
    }

    qreal scale = 1.0;
    QPaintDevice *pdev = doc->documentLayout()->paintDevice();
    if (pdev) {
        extern int qt_defaultDpi();
        if (image.isNull())
            image = getImage(doc, format);
        if (!image.isNull())
            scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
    }
    size *= scale;

    return size;
}
开发者ID:Nacto1，项目名称:qt-everywhere-opensource-src-4.6.2，代码行数:31，代码来源:qtextimagehandler.cpp

示例2: writeInlineCharacter

void QTextOdfWriter::writeInlineCharacter(QXmlStreamWriter &writer, const QTextFragment &fragment) const
{
    writer.writeStartElement(drawNS, QString::fromLatin1("frame"));
    if (m_strategy == 0) {
        // don't do anything.
    }
    else if (fragment.charFormat().isImageFormat()) {
        QTextImageFormat imageFormat = fragment.charFormat().toImageFormat();
        writer.writeAttribute(drawNS, QString::fromLatin1("name"), imageFormat.name());

        // vvv  Copy pasted mostly from Qt =================
        QImage image;
        QString name = imageFormat.name();
        if (name.startsWith(QLatin1String(":/"))) // auto-detect resources
            name.prepend(QLatin1String("qrc"));
        QUrl url = QUrl::fromEncoded(name.toUtf8());
        const QVariant data = m_document->resource(QTextDocument::ImageResource, url);
        if (data.type() == QVariant::Image) {
            image = qvariant_cast<QImage>(data);
        } else if (data.type() == QVariant::ByteArray) {
            image.loadFromData(data.toByteArray());
        }

        if (image.isNull()) {
            QString context;
            if (QTextImageHandler::externalLoader)
                image = QTextImageHandler::externalLoader(name, context);

            if (image.isNull()) { // try direct loading
                name = imageFormat.name(); // remove qrc:/ prefix again
                image.load(name);
            }
        }

        // ^^^ Copy pasted mostly from Qt =================
        if (! image.isNull()) {
            QBuffer imageBytes;
            QImageWriter imageWriter(&imageBytes, "png");
            imageWriter.write(image);
            QString filename = m_strategy->createUniqueImageName();
            m_strategy->addFile(filename, QString::fromLatin1("image/png"), imageBytes.data());

            // get the width/height from the format.
            qreal width = (imageFormat.hasProperty(QTextFormat::ImageWidth)) ? imageFormat.width() : image.width();
            writer.writeAttribute(svgNS, QString::fromLatin1("width"), pixelToPoint(width));
            qreal height = (imageFormat.hasProperty(QTextFormat::ImageHeight)) ? imageFormat.height() : image.height();
            writer.writeAttribute(svgNS, QString::fromLatin1("height"), pixelToPoint(height));

            writer.writeStartElement(drawNS, QString::fromLatin1("image"));
            writer.writeAttribute(xlinkNS, QString::fromLatin1("href"), filename);
            writer.writeEndElement(); // image
        }
    }

    writer.writeEndElement(); // frame
}
开发者ID:Fale，项目名称:qtmoko，代码行数:56，代码来源:qtextodfwriter.cpp

示例3: insertImage

void KTextCursor::insertImage( const QString &name, const QTextImageFormat &format )
{
	QTextImageFormat imageForamt = format;

	imageForamt.setName(name);
	if(!imageForamt.hasProperty(KImageKey))
	{
		imageForamt.setProperty(KImageKey, name);
	}

	if(moviePool()->insertMovie(name, name))
	{
		Q_D(KTextCursor);

		imageForamt.setProperty(KAnimationImage,true);
		document()->addResource(QTextDocument::ImageResource, QUrl(name), moviePool()->currentImage(name));
	}
	else
	{
		QImage image(name);
		if(!image.isNull())
		{
			document()->addResource(QTextDocument::ImageResource,QUrl(name), image);
		}
	}

	__super::insertImage(imageForamt);
}
开发者ID:kxtry，项目名称:kxfw，代码行数:28，代码来源:ktextcursor.cpp

示例4: getPixmapSize

static QSize getPixmapSize(QTextDocument *doc, const QTextImageFormat &format)
{
    QPixmap pm;

    const bool hasWidth = format.hasProperty(QTextFormat::ImageWidth);
    const int width = qRound(format.width());
    const bool hasHeight = format.hasProperty(QTextFormat::ImageHeight);
    const int height = qRound(format.height());

    QSize size(width, height);
    if (!hasWidth || !hasHeight) {
        pm = getPixmap(doc, format);
        const int pmWidth = pm.width() / pm.devicePixelRatio();
        const int pmHeight = pm.height() / pm.devicePixelRatio();

        if (!hasWidth) {
            if (!hasHeight)
                size.setWidth(pmWidth);
            else
                size.setWidth(qRound(height * (pmWidth / (qreal) pmHeight)));
        }
        if (!hasHeight) {
            if (!hasWidth)
                size.setHeight(pmHeight);
            else
                size.setHeight(qRound(width * (pmHeight / (qreal) pmWidth)));
        }
    }

    qreal scale = 1.0;
    QPaintDevice *pdev = doc->documentLayout()->paintDevice();
    if (pdev) {
        if (pm.isNull())
            pm = getPixmap(doc, format);
        if (!pm.isNull())
            scale = qreal(pdev->logicalDpiY()) / qreal(qt_defaultDpi());
    }
    size *= scale;

    return size;
}
开发者ID:venkatarajasekhar，项目名称:Qt，代码行数:41，代码来源:qtextimagehandler.cpp

示例5: decodePublicKey

void ContactListEdit::decodePublicKey(const QTextImageFormat& storage,
  IMailProcessor::TRecipientPublicKey* key) const
  {
  assert(storage.hasProperty(QTextImageFormat::UserProperty));

  QVariant v = storage.property(QTextImageFormat::UserProperty);
  QByteArray pkArray = v.toByteArray();

  fc::ecc::public_key_data s;

  assert(pkArray.size() == s.size());

  memcpy(s.begin(), pkArray.data(), s.size());

  *key = IMailProcessor::TRecipientPublicKey(s);
  assert(key->valid());
  }
开发者ID:toby82，项目名称:keyhotee，代码行数:17，代码来源:ContactListEdit.cpp

示例6: emitFragment

void HtmlExporter::emitFragment( const QTextFragment &fragment, const QTextBlockFormat &blockFormat )
{
//     kDebug() << "html" << html;
    const QTextCharFormat format = fragment.charFormat();

    bool closeAnchor = false;
    bool anchorIsOpen = false;

    if ( format.isAnchor() ) {
//         const QStringList names = format.anchorNames();
//         if (!names.isEmpty()) {
//             html += QLatin1String("<a name=\"");
//             html += names.at(0);
//             html += QLatin1String("\" ");
//    anchorIsOpen = true;
//         }
        const QString href = format.anchorHref();
        if ( !href.isEmpty() ) {
//    if (!anchorIsOpen) {
//     html += QLatin1String("<a ");
//     anchorIsOpen = true;
//    }
            html += QLatin1String( "<a href=\"" );
            html += href;
            html += QLatin1String( "\"" );
            anchorIsOpen = true;
//             closeAnchor = true;
//    html += QLatin1String("\"");
        }
        if ( format.hasProperty( BilboTextFormat::AnchorTitle ) ) {
            const QString title = format.stringProperty( BilboTextFormat::AnchorTitle );
            if ( !title.isEmpty() ) {
                html += QLatin1String( " title=\"" );
                html += title;
                html += QLatin1String( "\"" );
            }
        }
        if ( format.hasProperty( BilboTextFormat::AnchorTarget ) ) {
            const QString target = format.stringProperty( BilboTextFormat::AnchorTarget );
            if ( !target.isEmpty() ) {
                html += QLatin1String( " target=\"" );
                html += target;
                html += QLatin1String( "\"" );
            }
        }
        if ( anchorIsOpen ) {
            html += QLatin1String( ">" );
            closeAnchor = true;
        }
    }

    QList<tag> tags = emitCharFormatStyle( format, blockFormat );
//  if ( !format.anchorHref().isNull() ) {
//   html += QLatin1String(">");
//   closeAnchor = true;
//  }
//     kDebug() << "tags count" << tags.count() << endl;
    for ( int i = 0; i < tags.count(); ++i ) {
        switch ( tags.at( i ) ) {
            case span:
                break; //Jump
//             case h1:
//                 html += QLatin1String( "<h1>" );
//                 break;
//             case h2:
//                 html += QLatin1String( "<h2>" );
//                 break;
//             case h3:
//                 html += QLatin1String( "<h3>" );
//                 break;
//             case h4:
//                 html += QLatin1String( "<h4>" );
//                 break;
//             case h5:
//                 html += QLatin1String( "<h5>" );
//                 break;
            case strong:
                html += QLatin1String( "<strong>" );
                break;
            case em:
                html += QLatin1String( "<em>" );
                break;
            case s:
                html += QLatin1String( "<s>" );
                break;
            case u:
                if ( !closeAnchor )
                    html += QLatin1String( "<u>" );
                break;
            case code:
                html += QLatin1String( "<code>" );
                break;
            case sub:
                html += QLatin1String( "<sub>" );
                break;
            case sup:
                html += QLatin1String( "<sup>" );
                break;
        }
    }
//.........这里部分代码省略.........
开发者ID:mtux，项目名称:bilbo，代码行数:101，代码来源:htmlexporter.cpp


注：本文中的QTextImageFormat::hasProperty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。