bool SkGIFMovie::onGetInfo(Info* info)
{
if (NULL == fGIF)
return false;
SkMSec dur = 0;
for (int i = 0; i < fGIF->ImageCount; i++)
dur += savedimage_duration(&fGIF->SavedImages[i]);
info->fDuration = dur;
info->fWidth = fGIF->SWidth;
info->fHeight = fGIF->SHeight;
info->fIsOpaque = false; // how to compute?
return true;
}
bool SkGIFMovie::onSetTime(SkMSec time)
{
if (NULL == fGIF)
return false;
SkMSec dur = 0;
for (int i = 0; i < fGIF->ImageCount; i++)
{
dur += savedimage_duration(&fGIF->SavedImages[i]);
if (dur >= time)
{
fCurrIndex = i;
return fLastDrawIndex != fCurrIndex;
}
}
fCurrIndex = fGIF->ImageCount - 1;
return true;
}
GifFrame GIFMovie::getGifFrameByIndex(unsigned int frameIndex)
{
GifFrame gif;
if(fGIF == NULL || frameIndex > getGifCount())
{
return gif;
}
int duration = savedimage_duration(&fGIF->SavedImages[frameIndex]);
fCurrIndex = frameIndex;
onGetBitmap(&m_bitmap);
gif.m_frameData.m_duration = duration;
gif.m_frameData.m_index = frameIndex;
gif.m_bm = &m_bitmap;
return gif;
}
