bool RasterPlayer::LoadBuffer(const String &buffer) {
if (buffer.IsEmpty())
return false;
StringStream str(buffer);
One<StreamRaster> raster = StreamRaster::OpenAny(str);
if(!raster)
return false;
Stop();
images.Clear();
delays.Clear();
Size sz = raster->GetSize();
ImageDraw iw(sz);
Image previous;
Rect r;
for (int i = 0; i < raster->GetPageCount(); ++i) {
if (previous) {
iw.Alpha().DrawImage(r, previous, GrayColor(255));
iw.DrawImage(r, previous);
previous = Null;
}
raster->SeekPage(i);
r = raster->GetPageRect(i);
switch (raster->GetPageDisposal(i)) {
case 1:
case 2: iw.DrawRect(r, SColorFace());
break;
//case 2: iw.DrawRect(sz, White()); // It seems gif files do not comply with standard
// break;
case 4: if (i > 0)
previous = GetRect_(images[i-1], r);
iw.DrawRect(sz, SColorFace());
break;
}
iw.Alpha().DrawImage(r.left, r.top, raster->GetImage(0, 0, r.right-r.left, r.bottom-r.top), GrayColor(255));
iw.DrawImage(r.left, r.top, raster->GetImage(0, 0, r.right-r.left, r.bottom-r.top));
images.Add(iw);
delays.Add(max(50, 10*raster->GetPageDelay(i)));
}
ind = 0;
return true;
}
