bool ImageDecoderQt::isSizeAvailable()
{
if (!ImageDecoder::isSizeAvailable() && m_reader)
internalDecodeSize();
return ImageDecoder::isSizeAvailable();
}
ImageFrame* ImageDecoderQt::frameBufferAtIndex(size_t index)
{
// In case the ImageDecoderQt got recreated we don't know
// yet how many images we are going to have and need to
// find that out now.
size_t count = m_frameBufferCache.size();
if (!failed() && !count) {
internalDecodeSize();
count = frameCount();
}
if (index >= count)
return 0;
ImageFrame& frame = m_frameBufferCache[index];
if (frame.status() != ImageFrame::FrameComplete && m_reader)
internalReadImage(index);
return &frame;
}
RGBA32Buffer* ImageDecoderQt::frameBufferAtIndex(size_t index)
{
// In case the ImageDecoderQt got recreated we don't know
// yet how many images we are going to have and need to
// find that out now.
int count = m_frameBufferCache.size();
if (!m_failed && count == 0) {
internalDecodeSize();
count = frameCount();
}
if (index >= static_cast<size_t>(count))
return 0;
RGBA32Buffer& frame = m_frameBufferCache[index];
if (frame.status() != RGBA32Buffer::FrameComplete && m_reader)
internalReadImage(index);
return &frame;
}
