Ejemplo n.º 1
0
        private void Read(Stream stream, IEnumerable <GifExtension> controlExtensions, bool metadataOnly)
        {
            // Note: at this point, the Image Separator (0x2C) has already been read

            Descriptor = GifImageDescriptor.ReadImageDescriptor(stream);
            if (Descriptor.HasLocalColorTable)
            {
                LocalColorTable = GifHelpers.ReadColorTable(stream, Descriptor.LocalColorTableSize);
            }
            ImageData  = GifImageData.ReadImageData(stream, metadataOnly);
            Extensions = controlExtensions.ToList().AsReadOnly();
        }
Ejemplo n.º 2
0
        private void Read(Stream stream, bool metadataOnly)
        {
            Header = GifHeader.ReadHeader(stream);

            if (Header.LogicalScreenDescriptor?.HasGlobalColorTable == true)
            {
                GlobalColorTable = GifHelpers.ReadColorTable(stream, Header.LogicalScreenDescriptor.GlobalColorTableSize);
            }
            ReadFrames(stream, metadataOnly);

            var netscapeExtension =
                Extensions
                .OfType <GifApplicationExtension>()
                .FirstOrDefault(GifHelpers.IsNetscapeExtension);

            RepeatCount = netscapeExtension != null?GifHelpers.GetRepeatCount(netscapeExtension) : (ushort)1;
        }