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 ToImage(this SkiaSharp.SKPicture skPicture, Stream stream, SkiaSharp.SKColor background, SkiaSharp.SKEncodedImageFormat format, int quality, float scaleX, float scaleY, SkiaSharp.SKColorType skColorType, SkiaSharp.SKAlphaType skAlphaType, SkiaSharp.SKColorSpace skColorSpace)
{
using var skBitmap = skPicture.ToBitmap(background, scaleX, scaleY, skColorType, skAlphaType, skColorSpace);
if (skBitmap is null)
{
return(false);
}
using var skImage = SkiaSharp.SKImage.FromBitmap(skBitmap);
using var skData = skImage.Encode(format, quality);
if (skData is { })
public static SkiaSharp.SKBitmap?ToBitmap(this SkiaSharp.SKPicture skPicture, SkiaSharp.SKColor background, float scaleX, float scaleY, SkiaSharp.SKColorType skColorType, SkiaSharp.SKAlphaType skAlphaType, SkiaSharp.SKColorSpace skColorSpace)
{
var width = skPicture.CullRect.Width * scaleX;
var height = skPicture.CullRect.Height * scaleY;
if (!(width > 0) || !(height > 0))
{
return(null);
}
var skImageInfo = new SkiaSharp.SKImageInfo((int)width, (int)height, skColorType, skAlphaType, skColorSpace);
var skBitmap = new SkiaSharp.SKBitmap(skImageInfo);
using var skCanvas = new SkiaSharp.SKCanvas(skBitmap);
Draw(skPicture, background, scaleX, scaleY, skCanvas);
return(skBitmap);
}
