Exemplo n.º 1
0
/**
 *  \brief Assign a set of MythImages to the widget for animation.
 *         Use is strongly discouraged, use SetFilepattern() instead.
 *
 */
void MythUIImage::SetImages(QVector<MythImage *> *images)
{
    Clear();

    QWriteLocker updateLocker(&d->m_UpdateLock);
    QSize aSize = GetFullArea().size();

    m_imageProperties.isThemeImage = false;

    QVector<MythImage *>::iterator it;

    for (it = images->begin(); it != images->end(); ++it)
    {
        MythImage *im = (*it);

        if (!im)
        {
            QMutexLocker locker(&m_ImagesLock);
            m_Images[m_Images.size()] = im;
            continue;
        }

        im->IncrRef();


        QSize forceSize = m_imageProperties.forceSize;
        if (!forceSize.isNull())
        {
            int w = (forceSize.width() <= 0) ? im->width() : forceSize.width();
            int h = (forceSize.height() <= 0) ? im->height() : forceSize.height();
            im->Resize(QSize(w, h), m_imageProperties.preserveAspect);
        }

        if (m_imageProperties.isReflected && !im->IsReflected())
            im->Reflect(m_imageProperties.reflectAxis,
                        m_imageProperties.reflectShear,
                        m_imageProperties.reflectScale,
                        m_imageProperties.reflectLength,
                        m_imageProperties.reflectSpacing);

        if (m_imageProperties.isGreyscale && !im->isGrayscale())
            im->ToGreyscale();

        if (m_imageProperties.isOriented && !im->IsOriented() &&
            (m_imageProperties.orientation >= 1 &&
             m_imageProperties.orientation <= 8))
            im->Orientation(m_imageProperties.orientation);

        m_ImagesLock.lock();
        m_Images[m_Images.size()] = im;
        m_ImagesLock.unlock();

        aSize = aSize.expandedTo(im->size());
    }

    SetImageCount(1, m_Images.size());

    if (m_imageProperties.forceSize.isNull())
        SetSize(aSize);

    MythRect rect(GetFullArea());
    rect.setSize(aSize);
    SetMinArea(rect);

    m_CurPos = 0;
    m_animatedImage = true;
    m_Initiator = m_EnableInitiator;
    SetRedraw();
}
Exemplo n.º 2
0
    static MythImage *LoadImage(MythPainter *painter,
                                 // Must be a copy for thread safety
                                ImageProperties imProps,
                                ImageCacheMode cacheMode,
                                 // Included only to check address, could be
                                 // replaced by generating a unique value for
                                 // each MythUIImage object?
                                const MythUIImage *parent,
                                bool &aborted,
                                MythImageReader *imageReader = NULL)
    {
        QString cacheKey = GenImageLabel(imProps);
        if (!PreLoad(cacheKey, parent))
        {
            aborted = true;
            return NULL;
        }

        QString filename = imProps.filename;
        MythImage *image = NULL;

        bool bResize = false;
        bool bFoundInCache = false;

        int w = -1;
        int h = -1;

        if (!imProps.forceSize.isNull())
        {
            if (imProps.forceSize.width() != -1)
                w = imProps.forceSize.width();

            if (imProps.forceSize.height() != -1)
                h = imProps.forceSize.height();

            bResize = true;
        }

        if (!imageReader)
        {
            image = GetMythUI()->LoadCacheImage(filename, cacheKey,
                                                painter, cacheMode);
        }

        if (image)
        {
            if (VERBOSE_LEVEL_CHECK(VB_GUI | VB_FILE, LOG_INFO))
            {
                image->IncrRef();
                int cnt = image->DecrRef();
                LOG(VB_GUI | VB_FILE, LOG_INFO,
                    QString("ImageLoader::LoadImage(%1) Found in cache, "
                            "RefCount = %2")
                    .arg(cacheKey).arg(cnt));
            }

            if (imProps.isReflected)
                image->setIsReflected(true);

            if (imProps.isOriented)
                image->setIsOriented(true);

            bFoundInCache = true;
        }
        else
        {
            LOG(VB_GUI | VB_FILE, LOG_INFO,
                QString("ImageLoader::LoadImage(%1) NOT Found in cache. "
                        "Loading Directly").arg(cacheKey));

            image = painter->GetFormatImage();
            bool ok = false;

            if (imageReader)
                ok = image->Load(imageReader);
            else
                ok = image->Load(filename);

            if (!ok)
            {
                image->DecrRef();
                image = NULL;
            }
        }

        if (image && image->isNull())
        {
            LOG(VB_GUI | VB_FILE, LOG_INFO,
                QString("ImageLoader::LoadImage(%1) Image is NULL")
                                                    .arg(filename));

            image->DecrRef();
            image = NULL;
        }

        if (image && !bFoundInCache)
        {
            if (imProps.isReflected)
                image->Reflect(imProps.reflectAxis, imProps.reflectShear,
                               imProps.reflectScale, imProps.reflectLength,
                               imProps.reflectSpacing);

            if (imProps.isGreyscale)
                image->ToGreyscale();

            if (imProps.isOriented)
                image->Orientation(imProps.orientation);

            // Even if an explicit size wasn't defined this image may still need
            // to be scaled because of a difference between the theme resolution
            // and the screen resolution. We want to avoid scaling twice.
            if (!bResize && imProps.isThemeImage)
            {
                float wmult; // Width multipler
                float hmult; // Height multipler
                GetMythUI()->GetScreenSettings(wmult, hmult);
                if (wmult != 1.0f || hmult != 1.0f)
                {
                    w = image->size().width() * wmult;
                    h = image->size().height() * hmult;
                    bResize = true;
                }
            }

            if (bResize)
                image->Resize(QSize(w, h), imProps.preserveAspect);

            if (imProps.isMasked)
            {
                QRect imageArea = image->rect();
                QRect maskArea = imProps.GetMaskImageRect();

                // Crop the mask to the image
                int x = 0;
                int y = 0;

                if (maskArea.width() > imageArea.width())
                    x = (maskArea.width() - imageArea.width()) / 2;

                if (maskArea.height() > imageArea.height())
                    y = (maskArea.height() - imageArea.height()) / 2;

                if (x > 0 || y > 0)
                    imageArea.translate(x, y);

                QImage mask = imProps.GetMaskImageSubset(imageArea);
                image->setAlphaChannel(mask.alphaChannel());
            }

            if (!imageReader)
                GetMythUI()->CacheImage(cacheKey, image);
        }

        if (image)
            image->SetChanged();

        PostLoad(cacheKey);

        return image;
    }