public static WIC_FORMAT GetCompatiblePixelFormat(INTEROPFMT fmt)
{
if (TryGetExactPixelFormat(fmt, out var exact))
{
return(exact);
}
switch (fmt.Code)
{
case INTEROPPIX.Alpha8.Code:
case INTEROPPIX.BGRA4444.Code:
case INTEROPPIX.BGRA5551.Code:
case INTEROPPIX.RGBA32.Code:
case INTEROPPIX.ARGB32.Code:
return(WIC_FORMATS.Bgra32);
// case Pixel.ARGB32P.Code:
case INTEROPPIX.RGBP32.Code:
case INTEROPPIX.BGRP32.Code:
return(WIC_FORMATS.Pbgra32);
case INTEROPPIX.BGR96F.Code:
case INTEROPPIX.BGRA128F.Code:
return(WIC_FORMATS.Rgba128Float);
default: throw new NotImplementedException();
}
}
public static bool TryGetPixelFormat(INTEROPFMT src, out SKIACOLOR dstColor, out SKIAALPHA dstAlpha, bool allowCompatibleFormats = false)
{
switch (src)
{
case INTEROPPIX.Alpha8.Code: dstColor = SKIACOLOR.Alpha8; dstAlpha = SKIAALPHA.Opaque; return(true);
case INTEROPPIX.Luminance8.Code: dstColor = SKIACOLOR.Gray8; dstAlpha = SKIAALPHA.Opaque; return(true);
case INTEROPPIX.BGR565.Code: dstColor = SKIACOLOR.Rgb565; dstAlpha = SKIAALPHA.Opaque; return(true);
case INTEROPPIX.RGBA32.Code: dstColor = SKIACOLOR.Rgba8888; dstAlpha = SKIAALPHA.Unpremul; return(true);
case INTEROPPIX.BGRA32.Code: dstColor = SKIACOLOR.Bgra8888; dstAlpha = SKIAALPHA.Unpremul; return(true);
case INTEROPPIX.RGBA128F.Code: dstColor = SKIACOLOR.RgbaF32; dstAlpha = SKIAALPHA.Unpremul; return(true);
}
if (allowCompatibleFormats)
{
switch (src)
{
case INTEROPPIX.BGR24.Code: dstColor = SKIACOLOR.Rgb888x; dstAlpha = SKIAALPHA.Opaque; return(true);
case INTEROPPIX.RGB24.Code: dstColor = SKIACOLOR.Rgb888x; dstAlpha = SKIAALPHA.Opaque; return(true);
case INTEROPPIX.Luminance16.Code: dstColor = SKIACOLOR.Gray8; dstAlpha = SKIAALPHA.Opaque; return(true);
}
}
dstColor = SKIACOLOR.Unknown;
dstAlpha = SKIAALPHA.Unknown;
return(false);
}
public static bool TryGetExactPixelFormat(WIC_FORMAT inFmt, out INTEROPFMT outFmt)
{
if (inFmt == WIC_FORMATS.Gray8)
{
outFmt = INTEROPPIX.Luminance8.Format; return(true);
}
if (inFmt == WIC_FORMATS.Gray16)
{
outFmt = INTEROPPIX.Luminance16.Format; return(true);
}
if (inFmt == WIC_FORMATS.Gray32Float)
{
outFmt = INTEROPPIX.Luminance32F.Format; return(true);
}
if (inFmt == WIC_FORMATS.Bgr555)
{
outFmt = INTEROPPIX.BGRA5551.Format; return(true);
}
if (inFmt == WIC_FORMATS.Bgr565)
{
outFmt = INTEROPPIX.BGR565.Format; return(true);
}
if (inFmt == WIC_FORMATS.Bgr24)
{
outFmt = INTEROPPIX.BGR24.Format; return(true);
}
if (inFmt == WIC_FORMATS.Rgb24)
{
outFmt = INTEROPPIX.RGB24.Format; return(true);
}
if (inFmt == WIC_FORMATS.Bgr32)
{
outFmt = INTEROPPIX.BGRA32.Format; return(true);
}
if (inFmt == WIC_FORMATS.Bgra32)
{
outFmt = INTEROPPIX.BGRA32.Format; return(true);
}
if (inFmt == WIC_FORMATS.Pbgra32)
{
outFmt = INTEROPPIX.BGRA32.Format; return(true);
} // not right
if (inFmt == WIC_FORMATS.Rgba128Float)
{
outFmt = INTEROPPIX.RGBA128F.Format; return(true);
}
outFmt = default;
return(false);
}
public static VELDRIDPIXFMT From(INTEROPPIXFMT fmt)
{
switch (fmt.Code)
{
case INTEROPPIXEL.RGBA32.Code: return(VELDRIDPIXFMT.R8_G8_B8_A8_UNorm);
case INTEROPPIXEL.BGRA32.Code: return(VELDRIDPIXFMT.B8_G8_R8_A8_UNorm);
default: throw new NotImplementedException(nameof(fmt));
}
}
public static bool TryGetExactPixelFormat(INTEROPFMT inFmt, out WIC_FORMAT outFmt)
{
switch (inFmt.Code)
{
case INTEROPPIX.Luminance8.Code: outFmt = WIC_FORMATS.Gray8; return(true);
case INTEROPPIX.Luminance16.Code: outFmt = WIC_FORMATS.Gray16; return(true);
case INTEROPPIX.Luminance32F.Code: outFmt = WIC_FORMATS.Gray32Float; return(true);
case INTEROPPIX.BGR565.Code: outFmt = WIC_FORMATS.Bgr565; return(true);
case INTEROPPIX.BGR24.Code: outFmt = WIC_FORMATS.Bgr24; return(true);
case INTEROPPIX.RGB24.Code: outFmt = WIC_FORMATS.Rgb24; return(true);
case INTEROPPIX.BGRA32.Code: outFmt = WIC_FORMATS.Bgra32; return(true);
case INTEROPPIX.RGBA128F.Code: outFmt = WIC_FORMATS.Rgba128Float; return(true);
}
outFmt = default;
return(false);
}
public static (SKIACOLOR Color, SKIAALPHA Alpha) ToPixelFormat(INTEROPFMT fmt, bool allowCompatibleFormats = false)
{
TryGetPixelFormat(fmt, out var sc, out var sa, allowCompatibleFormats);
return(sc, sa);
}
