/// <summary>
/// Check if a given index in the scope of this surface
/// </summary>
/// <param name="index">Specified</param>
/// <param name="bRgb">If true, check if Rgb data exist for specified frame; otherwise, check if Dwt data exist.</param>
/// <returns></returns>
public bool IsIndexInScope(TileIndex index, bool bRgb)
{
if (bRgb) return rgbTileDic.ContainsKey(index);
else return dwtQDic.ContainsKey(index);
}
/// <summary>
/// Update the coefficients after DWT and Quantization of specified tile.
/// </summary>
/// <param name="index">The index of the tile.</param>
/// <param name="dwtQ">The DwtQ coefficients.</param>
public void UpdateTileDwtQ(TileIndex index, DwtTile dwtQ)
{
if (index.X * RdpegfxTileUtils.TileSize >= this.Width || index.Y * RdpegfxTileUtils.TileSize >= this.Height) return;
lock (dwtQDic)
{
if (dwtQDic.ContainsKey(index))
{
dwtQDic[index] = dwtQ;
}
else
{
dwtQDic.Add(index, dwtQ);
}
}
}
public RgbTile GetRgbTile(TileIndex index)
{
if (rgbTileDic.ContainsKey(index))
{
return rgbTileDic[index];
}
else
{
return null;
}
}
public DwtTile GetTriState(TileIndex index)
{
if (this.triStateDic.ContainsKey(index))
{
return triStateDic[index];
}
else
{
return null;
}
}
/// <summary>
/// Constructor, create RFX_PROGRESSIVE_TILE_UPGRADE block
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_AUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate tile position([x, y]).</param>
/// <param name="tileData">This is used to indicate encoded tile data which is related to quantIdx</param>
public RFX_PROGRESSIVE_TILE_UPGRADE(byte quantIdx, TileIndex tileIdx, EncodedTile tileData)
{
this.blockType = RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_UPGRADE;
this.blockLen = 6; // Common part 6 bytes.
this.quantIdxY = quantIdx;
this.quantIdxCb = quantIdx;
this.quantIdxCr = quantIdx;
this.xIdx = tileIdx.X;
this.yIdx = tileIdx.Y;
this.progressiveQuality = tileData.ProgCodecQuant.quality;
this.blockLen += 8;
// Srl data.
this.ySrlLen = (tileData.YEncodedData == null) ? (ushort)0 : (ushort)tileData.YEncodedData.Count();
this.ySrlData = tileData.YEncodedData;
this.cbSrlLen = (tileData.CbEncodedData == null) ? (ushort)0 : (ushort)tileData.CbEncodedData.Count();
this.cbSrlData = tileData.CbEncodedData;
this.crSrlLen = (tileData.CrEncodedData == null) ? (ushort)0 : (ushort)tileData.CrEncodedData.Count();
this.crSrlData = tileData.CrEncodedData;
this.blockLen += (uint)(6 + this.ySrlLen + this.cbSrlLen + this.crSrlLen);
// Raw data.
this.yRawLen = (tileData.YRawData == null) ? (ushort)0 : (ushort)tileData.YRawData.Count();
this.yRawData = tileData.YRawData;
this.cbRawLen = (tileData.CbRawData == null) ? (ushort)0 : (ushort)tileData.CbRawData.Count();
this.cbRawData = tileData.CbRawData;
this.crRawLen = (tileData.CrRawData == null) ? (ushort)0 : (ushort)tileData.CrRawData.Count();
this.crRawData = tileData.CrRawData;
this.blockLen += (uint)(6 + this.yRawLen + this.cbRawLen + this.crRawLen);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="newFrame">The current frame contains this tile</param>
/// <param name="index">The index of this tile in surface</param>
public TileState(SurfaceFrame newFrame, TileIndex index)
{
NewFrame = newFrame;
Index = index;
}
/// <summary>
/// Generate a surface from a bitmap
/// </summary>
/// <param name="sId">The surface Id</param>
/// <param name="bm">The original bitmap</param>
/// <returns>A surface instance</returns>
public static SurfaceFrame GetFromImage(ushort sId, Bitmap bitmap)
{
SurfaceFrame surf = new SurfaceFrame(sId, (ushort)bitmap.Width, (ushort)bitmap.Height);
for (int xIndex = 0; xIndex * RdpegfxTileUtils.TileSize < bitmap.Width; xIndex++)
{
for (int yIndex = 0; yIndex * RdpegfxTileUtils.TileSize < bitmap.Height; yIndex++)
{
TileIndex tIndex = new TileIndex((ushort)xIndex, (ushort)yIndex, bitmap.Width, bitmap.Height);
RgbTile rgbTl = RgbTile.GetFromImage(bitmap, xIndex * RdpegfxTileUtils.TileSize, yIndex * RdpegfxTileUtils.TileSize);
surf.rgbTileDic.Add(tIndex, rgbTl);
}
}
return surf;
}
/// <summary>
/// Get all the tile indexes in this surface
/// </summary>
/// <returns>TileIndex array.</returns>
public TileIndex[] GetAllIndexes()
{
List<TileIndex> indexList = new List<TileIndex>();
for (int xIndex = 0; xIndex * RdpegfxTileUtils.TileSize < this.Width; xIndex++)
{
for (int yIndex = 0; yIndex * RdpegfxTileUtils.TileSize < this.Height; yIndex++)
{
TileIndex tIndex = new TileIndex((ushort)xIndex, (ushort)yIndex, this.Width, this.Height);
indexList.Add(tIndex);
}
}
return indexList.ToArray();
}
/// <summary>
/// Get the bitmap of a tile
/// </summary>
/// <param name="ti">Tile index</param>
/// <returns>Tile bitmap</returns>
public Bitmap GetTileBitmap(TileIndex ti)
{
RgbTile tl = CurrentFrame.GetRgbTile(ti);
if (tl != null)
{
return tl.ToImage();
}
return null;
}
/// <summary>
/// Check if a given index in the scope of this surface
/// </summary>
/// <param name="index">Specified</param>
/// <returns></returns>
public bool IsIndexInScope(TileIndex index)
{
return (index.X * RdpegfxTileUtils.TileSize < this.Width) && (index.Y * RdpegfxTileUtils.TileSize < this.Height);
}
/// <summary>
/// Get the specified RgbTile
/// </summary>
/// <param name="index">The index of tile in this surface</param>
/// <returns>A RgbTile</returns>
public RgbTile GetRgbTile(TileIndex index)
{
return CurrentFrame.GetRgbTile(index);
}
/// <summary>
/// Get the tile indexes which covers the specified area
/// </summary>
/// <param name="rect">The rect area</param>
/// <returns>The tile indexes cover the specified area</returns>
public TileIndex[] GetIndexesInRect(Rectangle[] rects)
{
List<TileIndex> indexList = new List<TileIndex>();
foreach (Rectangle rect in rects)
{
int leftXIndex = rect.X / RdpegfxTileUtils.TileSize;
int topYIndex = rect.Y / RdpegfxTileUtils.TileSize;
int rightXIndex = (rect.X + rect.Width) / RdpegfxTileUtils.TileSize;
int bottomYIndex = (rect.Y + rect.Height) / RdpegfxTileUtils.TileSize;
for (int x = leftXIndex; x <= rightXIndex; x++)
{
for (int y = topYIndex; y <= bottomYIndex; y++)
{
TileIndex index = new TileIndex((ushort)x, (ushort)y, (rect.X + rect.Width), (rect.Y + rect.Height));
if (!indexList.Contains(index) && IsIndexInScope(index))
{
indexList.Add(index);
}
}
}
}
return indexList.ToArray();
}
/// <summary>
/// Get the different tiles of this surface
/// </summary>
/// <param name="bRgb">If true, check if Rgb data exist for specified frame; otherwise, check if Dwt data exist.</param>
/// <returns>The array of different tiles.</returns>
public TileIndex[] GetDiffIndexes(bool bRgb)
{
if (this.pendingUpdateIndexs != null && this.pendingUpdateIndexs.Length <= RdpegfxTileUtils.TileDiffMinCount)
{
return this.pendingUpdateIndexs;
}
if (CurrentFrame == null) return null;
if (LastFrame == null) return this.pendingUpdateIndexs;
List<TileIndex> diffIndexList = new List<TileIndex>();
for (int xIndex = 0; xIndex * RdpegfxTileUtils.TileSize < this.Width; xIndex++)
{
for (int yIndex = 0; yIndex * RdpegfxTileUtils.TileSize < this.Height; yIndex++)
{
TileIndex tIndex = new TileIndex((ushort)xIndex, (ushort)yIndex, this.Width, this.Height);
if(CurrentFrame.IsIndexInScope(tIndex, bRgb))
{
//diffIndexList.Add(tIndex);
if (LastFrame != null && LastFrame.IsIndexInScope(tIndex, bRgb))
{
if (bRgb)
{
RgbTile prvRgb = LastFrame.GetRgbTile(tIndex);
RgbTile curRgb = CurrentFrame.GetRgbTile(tIndex);
if (!curRgb.EqualsWith(prvRgb)) diffIndexList.Add(tIndex);
}
else
{
DwtTile prvDwt = LastFrame.GetDwt(tIndex);
DwtTile curDwt = CurrentFrame.GetDwt(tIndex);
if (!curDwt.EqualsWith(prvDwt)) diffIndexList.Add(tIndex);
}
}
else
{
diffIndexList.Add(tIndex);
}
}
}
}
return diffIndexList.ToArray();
}
/// <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>
/// Generate a surface from a bitmap, only update the specified tiles
/// </summary>
/// <param name="sId">The surface Id</param>
/// <param name="bm">The original bitmap</param>
/// <param name="changedTileIndexs">The indexes of the changed tiles</param>
/// <returns>A surface instance</returns>
public static SurfaceFrame GetFromImage(ushort sId, Bitmap bitmap, TileIndex[] changedTileIndexs)
{
SurfaceFrame surf = new SurfaceFrame(sId, (ushort)bitmap.Width, (ushort)bitmap.Height);
foreach (TileIndex tIndex in changedTileIndexs)
{
RgbTile rgbTl = RgbTile.GetFromImage(bitmap, tIndex.X * RdpegfxTileUtils.TileSize, tIndex.Y * RdpegfxTileUtils.TileSize);
surf.rgbTileDic.Add(tIndex, rgbTl);
}
return surf;
}
/// <summary>
/// Update the tri-state of a tile
/// </summary>
/// <param name="index">The tile index</param>
/// <param name="stat">The tri-state of the specified tile</param>
public void UpdateTriState(TileIndex index, DwtTile stat)
{
if (index.X * RdpegfxTileUtils.TileSize >= this.Width || index.Y * RdpegfxTileUtils.TileSize >= this.Height) return;
lock (triStateDic)
{
if (triStateDic.ContainsKey(index))
{
triStateDic[index] = stat;
}
else
{
triStateDic.Add(index, stat);
}
}
}
/// <summary>
/// Get all the tile indexes in this surface
/// </summary>
/// <returns>TileIndex array.</returns>
public TileIndex[] GetAllIndexes()
{
List<TileIndex> indexList = new List<TileIndex>();
for (int xIndex = 0; xIndex * RdpegfxTileUtils.TileSize < this.Width; xIndex++)
{
for (int yIndex = 0; yIndex * RdpegfxTileUtils.TileSize < this.Height; yIndex++)
{
TileIndex tIndex = new TileIndex((ushort)xIndex, (ushort)yIndex, this.Width, this.Height);
// set tile width and height
if ((xIndex + 1) * RdpegfxTileUtils.TileSize > this.Width)
tIndex.WidthInSurface = (byte)(this.Width - xIndex * RdpegfxTileUtils.TileSize);
else
tIndex.WidthInSurface = RdpegfxTileUtils.TileSize;
if ((yIndex + 1) * RdpegfxTileUtils.TileSize > this.Height)
tIndex.HeightInSurface = (byte)(this.Height - yIndex * RdpegfxTileUtils.TileSize);
else
tIndex.HeightInSurface = RdpegfxTileUtils.TileSize;
indexList.Add(tIndex);
}
}
return indexList.ToArray();
}
/// <summary>
/// constructor, create RFX_Progressive_TILE_SIMPLE block
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_AUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate tile position([x, y]).</param>
/// <param name="tileData">This is used to indicate encoded tile data</param>
public RFX_Progressive_TILE_SIMPLE(byte quantIdx, TileIndex tileIdx, EncodedTile tileData)
{
this.blockType = RFXProgCodecBlockType.WBT_TILE_SIMPLE;
this.blockLen = 6; // common part 6 bytes
this.quantIdxY = quantIdx;
this.quantIdxCb = quantIdx;
this.quantIdxCr = quantIdx;
this.xIdx = tileIdx.X;
this.yIdx = tileIdx.Y;
this.flags = tileData.IsDifferenceTile;
this.blockLen += 8;
this.yLen = (tileData.YEncodedData == null) ? (ushort)0 : (ushort)tileData.YEncodedData.Count();
this.yData = tileData.YEncodedData;
this.blockLen += (uint)(2 + this.yLen);
this.cbLen = (tileData.CbEncodedData == null) ? (ushort)0 : (ushort)tileData.CbEncodedData.Count();
this.cbData = tileData.CbEncodedData;
this.blockLen += (uint)(2 + this.cbLen);
this.crLen = (tileData.CrEncodedData == null) ? (ushort)0 : (ushort)tileData.CrEncodedData.Count();
this.crData = tileData.CrEncodedData;
this.blockLen += (uint)(2 + this.crLen);
//this.tailLen = 8;
//this.tailData = new byte[8]{0x4C, 0x41, 0x01, 0x00, 0xFF, 0xFF, 0x00, 0x10};
this.tailLen = 0;
this.tailData = null;
this.blockLen += (uint)(2 + this.tailLen);
}
/// <summary>
/// Get the coefficients for the same tile of last frame after DWT and Quantization.
/// </summary>
/// <param name="index">The index of the tile.</param>
public DwtTile GetDwt(TileIndex index)
{
if (dwtQDic.ContainsKey(index))
{
return dwtQDic[index];
}
else
{
return null;
}
}
/// <summary>
/// Build tile data blocks(tile simple or tile first or tile upgrade).
/// </summary>
/// <param name="quantIdx">This is used to indicate index in TS_RFX_CODEC_QUANT array of region block</param>
/// <param name="tileIdx">This is used to indicate the tile index.</param>
/// <param name="tileData">This is used to indicate the encoded tile data.</param>
/// <param name="tileBlockType">This is used to indicate the tile data block type(simple, first, or upgrade).</param>
public RFX_Progressive_DataBlock BuildTileDataBlock(byte quantIdx, TileIndex tileIdx, EncodedTile tileData, RFXProgCodecBlockType tileBlockType)
{
RFX_Progressive_DataBlock tile_block;
if (tileBlockType == RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_FIRST)
{
tile_block = new RFX_Progressive_TILE_FIRST(quantIdx, tileIdx, tileData);
}
else if (tileBlockType == RFXProgCodecBlockType.WBT_TILE_PROGRESSIVE_UPGRADE)
{
tile_block = new RFX_PROGRESSIVE_TILE_UPGRADE(quantIdx, tileIdx, tileData);
}
else
{
tile_block = new RFX_Progressive_TILE_SIMPLE(quantIdx, tileIdx, tileData);
}
return tile_block;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="surface">The surface contains this tile</param>
/// <param name="index">The index of this tile in surface</param>
public TileState(Surface surface, TileIndex index)
{
NewFrame = surface.CurrentFrame;
LastFrame = surface.LastFrame;
Index = index;
}
