/**
* \brief Load an animated image
*/
bool MythUIImage::LoadAnimatedImage(
MythImageReader &imageReader, const QString &imFile,
QSize bForceSize, int cacheMode)
{
bool result = false;
m_loadingImagesLock.lock();
// Check to see if the image is being loaded by us in another thread
if ((m_loadingImages.contains(imFile)) &&
(m_loadingImages[imFile] == this))
{
VERBOSE(VB_GUI|VB_FILE|VB_EXTRA, LOC + QString(
"MythUIImage::LoadAnimatedImage(%1), this "
"file is already being loaded by this same MythUIImage in "
"another thread.").arg(imFile));
m_loadingImagesLock.unlock();
return result;
}
// Check to see if the exact same image is being loaded anywhere else
while (m_loadingImages.contains(imFile))
m_loadingImagesCond.wait(&m_loadingImagesLock);
m_loadingImages[imFile] = this;
m_loadingImagesLock.unlock();
QString filename = QString("frame-%1-") + imFile;
QString frameFilename;
QVector<MythImage *> images;
QVector<int> delays;
int imageCount = 1;
QString imageLabel;
int w = -1;
int h = -1;
if (!bForceSize.isNull())
{
if (bForceSize.width() != -1)
w = bForceSize.width();
if (bForceSize.height() != -1)
h = bForceSize.height();
}
while (imageReader.canRead())
{
frameFilename = filename.arg(imageCount);
imageLabel = GenImageLabel(frameFilename, w, h);
MythImage *im = LoadImage(
imageReader, frameFilename,
bForceSize, (ImageCacheMode) cacheMode);
if (!im)
break;
images.append(im);
delays.append(imageReader.nextImageDelay());
imageCount++;
}
if (images.size())
{
m_animatedImage = true;
SetImages(images);
if ((m_Delay == -1) &&
(imageReader.supportsAnimation()) &&
(delays.size()))
{
SetDelays(delays);
}
result = true;
}
m_loadingImagesLock.lock();
m_loadingImages.remove(imFile);
m_loadingImagesCond.wakeAll();
m_loadingImagesLock.unlock();
return result;
}
