/// <summary>
/// Load a residual layer bitmap into clearcode encoder.
/// </summary>
/// <param name = "subcodecBitmap"> specifies a subcodec layer image </param>
/// <param name = "pos"> specifies position of subcodec layer image, relative to residual layer image </param>
/// <param name = "sbcID"> specifies subcodec ID to encoding subcodec layer image </param>
public void LoadSubcodecBitmap(Bitmap subcodecBitmap, RDPGFX_POINT16 pos, CLEARCODEC_SUBCODEC_ID sbcID)
{
if (subcodecBitmap != null)
{
ClearCodec_RECT16 scRect = new ClearCodec_RECT16();
scRect.left = pos.x;
scRect.top = pos.y;
scRect.right = (ushort)(pos.x + subcodecBitmap.Width);
scRect.bottom = (ushort)(pos.x + subcodecBitmap.Height);
BMP_INFO bmp_info = new BMP_INFO();
bmp_info.bmp = subcodecBitmap;
bmp_info.scID = sbcID;
this.subcodecDict.Add(scRect, bmp_info);
}
}
/// <summary>
/// Encode a subcodec bitmap area into byte stream
/// </summary>
/// <param name="subcodeBmp">The bitmap to be encoded in subcodec layer.</param>
/// <param name="subcodecRect">The subcodec area relative to bitmap left-top edge.</param>
/// <param name="subcodecID">The subcodec ID to be chosen.</param>
/// <param name="subcodec">The subcodec layer encode result.</param>
public static bool EncodeSubcodec(Bitmap subcodecBmp, ClearCodec_RECT16 subcodecRect, CLEARCODEC_SUBCODEC_ID subcodecID,
ref CLEARCODEC_SUBCODEC subcodec)
{
if (subcodecBmp == null) return false;
subcodec.xStart = subcodecRect.left;
subcodec.yStart = subcodecRect.top;
subcodec.width = (ushort)(subcodecRect.right - subcodecRect.left);
subcodec.height = (ushort)(subcodecRect.bottom - subcodecRect.top);
// save subcodecID
subcodec.bitmapData.subCodecId = subcodecID;
// get encoded data based on subcodecID
if (subcodecID == CLEARCODEC_SUBCODEC_ID.SUBCODEC_RLEX)
{
// RLEX encoded bitmap data
if( !RlexEncode(subcodecBmp, ref subcodec.bitmapData.bmpRlex)) return false;
}
else
{
// raw encoded bitmap data
if (!RawEncode(subcodecBmp, ref subcodec.bitmapData.bmpPixels)) return false;
}
return true;
}
/// <summary>
/// Load a residual layer bitmap into clearcode encoder.
/// </summary>
/// <param name = "subcodecBitmap"> specifies a subcodec layer image </param>
/// <param name = "pos"> specifies position of subcodec layer image, relative to residual layer image </param>
/// <param name = "sbcID"> specifies subcodec ID to encoding subcodec layer image </param>
public void LoadSubcodecBitmap(Bitmap subcodecBitmap, RDPGFX_POINT16 pos, CLEARCODEC_SUBCODEC_ID sbcID)
{
if (subcodecBitmap != null)
{
ClearCodec_RECT16 scRect = new ClearCodec_RECT16();
scRect.left = pos.x;
scRect.top = pos.y;
scRect.right = (ushort)(pos.x + subcodecBitmap.Width);
scRect.bottom = (ushort)(pos.x + subcodecBitmap.Height);
BMP_INFO bmp_info = new BMP_INFO();
bmp_info.bmp = subcodecBitmap;
bmp_info.scID = sbcID;
this.subcodecDict.Add(scRect, bmp_info);
}
}
/// <summary>
/// Encode a subcodec bitmap area into byte stream
/// </summary>
/// <param name="subcodeBmp">The bitmap to be encoded in subcodec layer.</param>
/// <param name="subcodecRect">The subcodec area relative to bitmap left-top edge.</param>
/// <param name="subcodecID">The subcodec ID to be chosen.</param>
/// <param name="subcodec">The subcodec layer encode result.</param>
public static bool EncodeSubcodec(Bitmap subcodecBmp, ClearCodec_RECT16 subcodecRect, CLEARCODEC_SUBCODEC_ID subcodecID,
ref CLEARCODEC_SUBCODEC subcodec)
{
if (subcodecBmp == null)
{
return(false);
}
subcodec.xStart = subcodecRect.left;
subcodec.yStart = subcodecRect.top;
subcodec.width = (ushort)(subcodecRect.right - subcodecRect.left);
subcodec.height = (ushort)(subcodecRect.bottom - subcodecRect.top);
// save subcodecID
subcodec.bitmapData.subCodecId = subcodecID;
// get encoded data based on subcodecID
if (subcodecID == CLEARCODEC_SUBCODEC_ID.SUBCODEC_RLEX)
{
// RLEX encoded bitmap data
if (!RlexEncode(subcodecBmp, ref subcodec.bitmapData.bmpRlex))
{
return(false);
}
}
else
{
// raw encoded bitmap data
if (!RawEncode(subcodecBmp, ref subcodec.bitmapData.bmpPixels))
{
return(false);
}
}
return(true);
}
