bool Rescale(RasterEncoder& tgt, Size tsz, Raster& src, const Rect& src_rc,
Gate<int, int> progress)
{
tgt.Create(tsz, src);
RescaleImage rs;
rs.Create(tsz, src, src_rc);
for(int i = 0; i < tsz.cy; i++) {
if(progress(i, tsz.cy))
return false;
rs.Get(tgt);
tgt.WriteLine();
}
return true;
}
void cDrawRasterData::Open(const String& data, int _cx, int cy)
{
cx = _cx;
ss.Open(data);
raster = StreamRaster::OpenAny(ss);
if(raster)
si.Create(Size(cx, cy), *raster, raster->GetSize());
}
void cDrawRasterData::Render(ImageBuffer& ib)
{
for(int y = 0; y < ib.GetHeight(); y++)
si.Get(ib[y]);
}
