/// <summary>
/// Encode the input data as per provided image format.
/// </summary>
/// <param name="data">An array of data to be encoded.</param>
/// <param name="width">Image width.</param>
/// <param name="height">Image height.</param>
/// <param name="format">Graphics format used by the render texture.</param>
/// <param name="imageFormat">Format for encoding the data.</param>
/// <param name="additionalParam">Additional flags to be passed for the encoding.</param>
/// <returns></returns>
/// <exception cref="NotSupportedException"></exception>
public static Array EncodeArray(Array data, int width, int height, GraphicsFormat format, ImageFormat imageFormat, int additionalParam = 0)
{
using (s_Encode.Auto())
{
switch (imageFormat)
{
case ImageFormat.Raw:
return(data);
#if UNITY_2019_3_OR_NEWER
case ImageFormat.Png:
#if USIM_USE_BUILTIN_PNG_ENCODER
return(ImageConversion.EncodeArrayToPNG(data, format, (uint)width, (uint)height, 0));
#else
int bitDepth = 8;
PngEncoder.ColorType colorType = PngEncoder.GetTypeAndDepth(GraphicsUtilities.GetBlockSize(format), GraphicsUtilities.GetComponentCount(format), ref bitDepth);
return(PngEncoder.Encode(ArrayUtilities.Cast <byte>(data), width, height, colorType, bitDepth, (PngEncoder.PngParam)additionalParam));
#endif
case ImageFormat.Exr:
return(ImageConversion.EncodeArrayToEXR(data, format, (uint)width, (uint)height, 0, /*EXRFlags*/ (Texture2D.EXRFlags)additionalParam));
case ImageFormat.Tga:
return(ImageConversion.EncodeArrayToTGA(data, format, (uint)width, (uint)height, 0));
#endif
case ImageFormat.Jpg:
#if USIM_USE_BUILTIN_JPG_ENCODER && UNITY_2019_3_OR_NEWER
return(ImageConversion.EncodeArrayToJPG(data, format, (uint)width, (uint)height, 0, /*quality*/ additionalParam > 0 ? (int)additionalParam : 75));
#else
return(JpegEncoder.Encode(ArrayUtilities.Cast <byte>(data), width, height, GraphicsUtilities.GetBlockSize(format), format, /*quality*/ additionalParam > 0 ? (int)additionalParam : 75));
#endif
default:
throw new NotSupportedException("ImageFormat is not supported");
}
}
}
