/// <summary>
/// Create a RGB tile from a given bitmap
/// </summary>
/// <param name="orgImg">The given bitmap</param>
/// <param name="leftOffset">The left offset of the tile to the bitmap</param>
/// <param name="topOffset">The top offset of the tile to the bitmap</param>
/// <returns></returns>
public static RgbTile GetFromImage(Bitmap orgImg, int leftOffset, int topOffset)
{
RgbTile tile = new RgbTile();
tile.RSet = new byte[TileSize, TileSize];
tile.GSet = new byte[TileSize, TileSize];
tile.BSet = new byte[TileSize, TileSize];
int right = Math.Min(orgImg.Width - 1, leftOffset + TileSize - 1);
int bottom = Math.Min(orgImg.Height - 1, topOffset + TileSize - 1);
Rectangle bmpRect = new Rectangle(leftOffset, topOffset, right - leftOffset + 1, bottom - topOffset + 1);
BitmapData bmpData = orgImg.LockBits(bmpRect, ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
unsafe
{
byte* cusor = (byte*)bmpData.Scan0.ToPointer();
for (int y = topOffset; y <= bottom; y++)
{
for (int x = leftOffset; x <= right; x++)
{
int tileX = x - leftOffset;
int tileY = y - topOffset;
tile.BSet[tileX, tileY] = cusor[0];
tile.GSet[tileX, tileY] = cusor[1];
tile.RSet[tileX, tileY] = cusor[2];
cusor += 3;
}
cusor += (bmpData.Stride - 3 * (bmpData.Width));
}
}
orgImg.UnlockBits(bmpData);
return tile;
}
/// <summary>
/// Create a RGB tile from a given bitmap
/// </summary>
/// <param name="orgImg">The given bitmap</param>
/// <param name="leftOffset">The left offset of the tile to the bitmap</param>
/// <param name="topOffset">The top offset of the tile to the bitmap</param>
/// <returns></returns>
public static RgbTile GetFromImage(Bitmap orgImg, int leftOffset, int topOffset)
{
RgbTile tile = new RgbTile();
tile.RSet = new byte[TileSize, TileSize];
tile.GSet = new byte[TileSize, TileSize];
tile.BSet = new byte[TileSize, TileSize];
int right = Math.Min(orgImg.Width - 1, leftOffset + TileSize - 1);
int bottom = Math.Min(orgImg.Height - 1, topOffset + TileSize - 1);
Rectangle bmpRect = new Rectangle(leftOffset, topOffset, right - leftOffset + 1, bottom - topOffset + 1);
BitmapData bmpData = orgImg.LockBits(bmpRect, ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
unsafe
{
byte *cusor = (byte *)bmpData.Scan0.ToPointer();
for (int y = topOffset; y <= bottom; y++)
{
for (int x = leftOffset; x <= right; x++)
{
int tileX = x - leftOffset;
int tileY = y - topOffset;
tile.BSet[tileX, tileY] = cusor[0];
tile.GSet[tileX, tileY] = cusor[1];
tile.RSet[tileX, tileY] = cusor[2];
cusor += 3;
}
cusor += (bmpData.Stride - 3 * (bmpData.Width));
}
}
orgImg.UnlockBits(bmpData);
return(tile);
}
/// <summary>
/// Compare if equals with the given RGB tile
/// </summary>
/// <param name="cpTile">The given RGB tile</param>
/// <returns>True if equals, otherwise false</returns>
public bool EqualsWith(RgbTile cpTile)
{
byte[] lastHash = this.HashValue;
byte[] newHash = cpTile.HashValue;
for (int i = 0; i < lastHash.Length; i++)
{
if (lastHash[i] != newHash[i])
{
return(false);
}
}
return(true);
}
/// <summary>
/// Encode a tile from an image.
/// </summary>
/// <param name="image">The input RgbTile.</param>
/// <param name="leftOffset">The left offset of the tile.</param>
/// <param name="topOffset">The top offset of the tile.</param>
/// <param name="encodingContext">The encoding context.</param>
public static void EncodeTile(RgbTile tile, int leftOffset, int topOffset, RemoteFXCodecContext encodingContext)
{
//Initialize the encoding context
encodingContext.RSet = tile.RSet;
encodingContext.GSet = tile.GSet;
encodingContext.BSet = tile.BSet;
//Do color conversion
RGBToYCbCr(encodingContext);
//Do three level DWT
DWT(encodingContext);
//Do quantiztion
Quantization(encodingContext);
//Do linearization
Linearization(encodingContext);
//ALRG encode
RLGREncode(encodingContext);
}
static void FillRgbData(RfxProgressiveCodecContext encodingContext, RgbTile rgbTile)
{
encodingContext.RSet = rgbTile.RSet;
encodingContext.GSet = rgbTile.GSet;
encodingContext.BSet = rgbTile.BSet;
}
/// <summary>
/// Update the RGB data of the specified tile.
/// </summary>
/// <param name="index">The index of the tile.</param>
/// <param name="dwtQ">The RGB data.</param>
public void UpdateTileRgb(TileIndex index, RgbTile rgbT)
{
if (index.X * RdpegfxTileUtils.TileSize >= this.Width || index.Y * RdpegfxTileUtils.TileSize >= this.Height) return;
lock (rgbTileDic)
{
if (rgbTileDic.ContainsKey(index))
{
rgbTileDic[index] = rgbT;
}
else
{
rgbTileDic.Add(index, rgbT);
}
}
}
/// <summary>
/// Method to create TS_RFX_TILESET.
/// </summary>
/// <param name="isImageMode">Indicates the operational mode.</param>
/// <param name="entropy">Indicates the entropy algorithm.</param>
/// <param name="tileImage">A RgbTile. The width and heigth must be less than or equals with 64.</param>
public TS_RFX_TILESET CreateTsRfxTileSet(OperationalMode opMode, EntropyAlgorithm entropy, RgbTile tileImage)
{
TS_RFX_TILESET rfxTileSet = new TS_RFX_TILESET();
rfxTileSet.CodecChannelT = new TS_RFX_CODEC_CHANNELT();
rfxTileSet.CodecChannelT.blockType = blockType_Value.WBT_EXTENSION;
rfxTileSet.CodecChannelT.blockLen = 22 + 5;
rfxTileSet.CodecChannelT.codecId = 0x01;
rfxTileSet.CodecChannelT.channelId = 0x00;
rfxTileSet.subtype = 0xCAC2;
rfxTileSet.idx = 0x0000;
ushort lt = 0x0001;
ushort flags = 0x0002;
if (opMode == OperationalMode.VideoMode)
{
flags = 0x0000;
}
ushort cct = 0x0001;
ushort xft = 0x0001;
ushort et = 0x0001;
if (entropy == EntropyAlgorithm.CLW_ENTROPY_RLGR3)
{
et = 0x0004;
}
ushort qt = 0x0001;
rfxTileSet.properties = lt;
rfxTileSet.properties |= (ushort)(flags << 1);
rfxTileSet.properties |= (ushort)(cct << 4);
rfxTileSet.properties |= (ushort)(xft << 6);
rfxTileSet.properties |= (ushort)(et << 10);
rfxTileSet.properties |= (ushort)(qt << 14);
rfxTileSet.numQuant = 1;
rfxTileSet.tileSize = RdprfxServer.TileSize;
rfxTileSet.numTiles = 1;
rfxTileSet.quantVals = new TS_RFX_CODEC_QUANT[1];
rfxTileSet.quantVals[0] = codecQuant;
byte[] yData, cbData, crData;
RemoteFXCodecContext encodingContext = new RemoteFXCodecContext(codecQuant, entropy);
RemoteFXEncoder.EncodeTile(tileImage, 0, 0, encodingContext);
yData = encodingContext.YData;
cbData = encodingContext.CbData;
crData = encodingContext.CrData;
rfxTileSet.tiles = new TS_RFX_TILE[1];
rfxTileSet.tiles[0].BlockT.blockType = blockType_Value.CBT_TILE;
rfxTileSet.tiles[0].BlockT.blockLen = (uint)(19 + yData.Length + cbData.Length + crData.Length);
rfxTileSet.tiles[0].quantIdxY = 0;
rfxTileSet.tiles[0].quantIdxCb = 0;
rfxTileSet.tiles[0].quantIdxCr = 0;
rfxTileSet.tiles[0].xIdx = 0;
rfxTileSet.tiles[0].yIdx = 0;
rfxTileSet.tiles[0].YLen = (ushort)yData.Length;
rfxTileSet.tiles[0].CbLen = (ushort)cbData.Length;
rfxTileSet.tiles[0].CrLen = (ushort)crData.Length;
rfxTileSet.tiles[0].YData = yData;
rfxTileSet.tiles[0].CbData = cbData;
rfxTileSet.tiles[0].CrData = crData;
rfxTileSet.tilesDataSize = rfxTileSet.tiles[0].BlockT.blockLen;
rfxTileSet.CodecChannelT.blockLen = 22 + 5 + rfxTileSet.tilesDataSize;
return(rfxTileSet);
}
/// <summary>
/// Method to create TS_RFX_TILESET.
/// </summary>
/// <param name="isImageMode">Indicates the operational mode.</param>
/// <param name="entropy">Indicates the entropy algorithm.</param>
/// <param name="tileImage">A RgbTile. The width and heigth must be less than or equals with 64.</param>
public TS_RFX_TILESET CreateTsRfxTileSet(OperationalMode opMode, EntropyAlgorithm entropy, RgbTile tileImage)
{
TS_RFX_TILESET rfxTileSet = new TS_RFX_TILESET();
rfxTileSet.CodecChannelT = new TS_RFX_CODEC_CHANNELT();
rfxTileSet.CodecChannelT.blockType = blockType_Value.WBT_EXTENSION;
rfxTileSet.CodecChannelT.blockLen = 22 + 5;
rfxTileSet.CodecChannelT.codecId = 0x01;
rfxTileSet.CodecChannelT.channelId = 0x00;
rfxTileSet.subtype = 0xCAC2;
rfxTileSet.idx = 0x0000;
ushort lt = 0x0001;
ushort flags = 0x0002;
if (opMode == OperationalMode.VideoMode) flags = 0x0000;
ushort cct = 0x0001;
ushort xft = 0x0001;
ushort et = 0x0001;
if (entropy == EntropyAlgorithm.CLW_ENTROPY_RLGR3) et = 0x0004;
ushort qt = 0x0001;
rfxTileSet.properties = lt;
rfxTileSet.properties |= (ushort)(flags << 1);
rfxTileSet.properties |= (ushort)(cct << 4);
rfxTileSet.properties |= (ushort)(xft << 6);
rfxTileSet.properties |= (ushort)(et << 10);
rfxTileSet.properties |= (ushort)(qt << 14);
rfxTileSet.numQuant = 1;
rfxTileSet.tileSize = RdprfxServer.TileSize;
rfxTileSet.numTiles = 1;
rfxTileSet.quantVals = new TS_RFX_CODEC_QUANT[1];
rfxTileSet.quantVals[0] = codecQuant;
byte[] yData, cbData, crData;
RemoteFXCodecContext encodingContext = new RemoteFXCodecContext(codecQuant, entropy);
RemoteFXEncoder.EncodeTile(tileImage, 0, 0, encodingContext);
yData = encodingContext.YData;
cbData = encodingContext.CbData;
crData = encodingContext.CrData;
rfxTileSet.tiles = new TS_RFX_TILE[1];
rfxTileSet.tiles[0].BlockT.blockType = blockType_Value.CBT_TILE;
rfxTileSet.tiles[0].BlockT.blockLen = (uint)(19 + yData.Length + cbData.Length + crData.Length);
rfxTileSet.tiles[0].quantIdxY = 0;
rfxTileSet.tiles[0].quantIdxCb = 0;
rfxTileSet.tiles[0].quantIdxCr = 0;
rfxTileSet.tiles[0].xIdx = 0;
rfxTileSet.tiles[0].yIdx = 0;
rfxTileSet.tiles[0].YLen = (ushort)yData.Length;
rfxTileSet.tiles[0].CbLen = (ushort)cbData.Length;
rfxTileSet.tiles[0].CrLen = (ushort)crData.Length;
rfxTileSet.tiles[0].YData = yData;
rfxTileSet.tiles[0].CbData = cbData;
rfxTileSet.tiles[0].CrData = crData;
rfxTileSet.tilesDataSize = rfxTileSet.tiles[0].BlockT.blockLen;
rfxTileSet.CodecChannelT.blockLen = 22 + 5 + rfxTileSet.tilesDataSize;
return rfxTileSet;
}
/// <summary>
/// Compare if equals with the given RGB tile
/// </summary>
/// <param name="cpTile">The given RGB tile</param>
/// <returns>True if equals, otherwise false</returns>
public bool EqualsWith(RgbTile cpTile)
{
byte[] lastHash = this.HashValue;
byte[] newHash = cpTile.HashValue;
for (int i = 0; i < lastHash.Length; i++)
{
if (lastHash[i] != newHash[i]) return false;
}
return true;
}
