/// <summary>
/// Render progressive codec image
/// </summary>
/// <param name="surfaceId"></param>
/// <param name="tileDict"></param>
/// <param name="width"></param>
/// <param name="height"></param>
public void RenderProgressiveCodec(ushort surfaceId, Dictionary <TileIndex, EncodedTile[]> tileDict, ushort width, ushort height)
{
if (surfaceDic.ContainsKey(surfaceId))
{
Bitmap paint = new Bitmap(width, height);
Graphics paintGraphics = Graphics.FromImage(paint);
if (surfaceDic[surfaceId].CurrentFrame == null)
{
surfaceDic[surfaceId].CurrentFrame = new SurfaceFrame(surfaceId, width, height);
}
SurfaceFrame frame = surfaceDic[surfaceId].CurrentFrame;
foreach (TileIndex index in tileDict.Keys)
{
TileState state = new TileState(frame, index);
EncodedTile[] tiles = tileDict[index];
if (tiles != null)
{
for (int i = 0; i < tiles.Length; i++)
{
RfxProgressiveDecoder.DecodeTile(tiles[i], state);
}
}
paintGraphics.DrawImage(state.GetDwt().ToImage(), index.X * RdpegfxTileUtils.TileSize, index.Y * RdpegfxTileUtils.TileSize);
}
Surface sur = surfaceDic[surfaceId];
sur.DrawImage(paint, 0, 0);
}
}
public static void SRLDecode(
Triplet <byte[]> decodedData,
Triplet <byte[]> rawData,
QuantizationFactorsArray quant,
Triplet <short[]> DAS,
QuantizationFactorsArray preQuant,
bool useReduceExtrapolate,
out Triplet <short[]> output)
{
RFX_PROGRESSIVE_CODEC_QUANT progCodecQuant = Utility.ConvertProgQuant(quant);
RFX_PROGRESSIVE_CODEC_QUANT preCodecQuant = Utility.ConvertProgQuant(preQuant);
// construct the fake parameter to invoke RfxProgressiveDecoder.SRLDecode
var codecContext = new RfxProgressiveCodecContext(new[] { RdpegfxTileUtils.GetCodecQuant(ImageQuality_Values.Midium) }, 0, 0, 0, useReduceExtrapolate);
var encodeTile = new EncodedTile
{
YEncodedData = decodedData.X,
CbEncodedData = decodedData.Y,
CrEncodedData = decodedData.Z,
YRawData = rawData.X,
CbRawData = rawData.Y,
CrRawData = rawData.Z,
ProgCodecQuant = progCodecQuant,
UseReduceExtrapolate = useReduceExtrapolate // Important
};
var sentTile = new DwtTile(DAS.X, DAS.Y, DAS.Z);
sentTile.ProgCodecQuant = preCodecQuant;
var frame = new SurfaceFrame(0, RdpegfxTileUtils.TileSize, RdpegfxTileUtils.TileSize);
frame.UpdateTileDwtQ(new TileIndex(0, 0, RdpegfxTileUtils.TileSize, RdpegfxTileUtils.TileSize), sentTile);
frame.UpdateTriState(new TileIndex(0, 0, RdpegfxTileUtils.TileSize, RdpegfxTileUtils.TileSize), sentTile);
var tileState = new TileState(frame, new TileIndex(0, 0, RdpegfxTileUtils.TileSize, RdpegfxTileUtils.TileSize));
SRLDecode(codecContext, encodeTile, tileState);
output = new Triplet <short[]>(codecContext.YComponent, codecContext.CbComponent, codecContext.CrComponent);
}
