public SKRuntimeEffectUniforms(SKRuntimeEffect effect)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
names = effect.Uniforms.ToArray();
uniforms = new Dictionary <string, Variable> ();
data = effect.UniformSize is int size && size > 0
? SKData.Create(effect.UniformSize)
: SKData.Empty;
for (var i = 0; i < names.Length; i++)
{
var name = names[i];
var uniform = SkiaApi.sk_runtimeeffect_get_uniform_from_index(effect.Handle, i);
uniforms[name] = new Variable {
Index = i,
Name = name,
Offset = (int)SkiaApi.sk_runtimeeffect_uniform_get_offset(uniform),
Size = (int)SkiaApi.sk_runtimeeffect_uniform_get_size_in_bytes(uniform),
};
}
}
public SKData CopyToData()
{
var data = SKData.Create(BytesWritten);
CopyTo(data.Data);
return(data);
}
public static SKImage FromEncodedData(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (data.Length == 0)
{
throw new ArgumentException("The data buffer was empty.");
}
unsafe
{
fixed(byte *b = data)
{
using (var skdata = SKData.Create((IntPtr)b, data.Length))
using (var codec = SKCodec.Create(skdata))
using (var bitmap = SKBitmap.Decode(codec, codec.Info)) {
if (bitmap == null)
{
return(null);
}
return(FromBitmap(bitmap));
}
}
}
}
public static SKBitmap Decode(ReadOnlySpan <byte> buffer, SKImageInfo bitmapInfo)
{
fixed(byte *b = buffer)
{
using var skdata = SKData.Create((IntPtr)b, buffer.Length);
using var codec = SKCodec.Create(skdata);
return(Decode(codec, bitmapInfo));
}
}
public static SKImageInfo DecodeBounds(ReadOnlySpan <byte> buffer)
{
fixed(byte *b = buffer)
{
using var skdata = SKData.Create((IntPtr)b, buffer.Length);
using var codec = SKCodec.Create(skdata);
return(codec?.Info ?? SKImageInfo.Empty);
}
}
public void Reset()
{
if (data.Size == 0)
{
return;
}
data = SKData.Create(data.Size);
}
public static SKImage FromPixelCopy(SKImageInfo info, Stream pixels, int rowBytes)
{
if (pixels == null)
{
throw new ArgumentNullException(nameof(pixels));
}
using (var data = SKData.Create(pixels)) {
return(FromPixelData(info, data, rowBytes));
}
}
public static SKBitmap Decode (byte[] buffer, SKImageInfo bitmapInfo)
{
if (buffer == null) {
throw new ArgumentNullException (nameof (buffer));
}
fixed (byte* b = buffer) {
using (var skdata = SKData.Create ((IntPtr)b, buffer.Length))
using (var codec = SKCodec.Create (skdata)) {
return Decode (codec, bitmapInfo);
}
}
}
public static SKImageInfo DecodeBounds (byte[] buffer)
{
if (buffer == null) {
throw new ArgumentNullException (nameof (buffer));
}
fixed (byte* b = buffer) {
using (var skdata = SKData.Create ((IntPtr)b, buffer.Length))
using (var codec = SKCodec.Create (skdata)) {
return codec?.Info ?? SKImageInfo.Empty;
}
}
}
public static SKImage FromEncodedData(string filename)
{
if (filename == null)
{
throw new ArgumentNullException(nameof(filename));
}
using (var skdata = SKData.Create(filename)) {
if (skdata == null)
{
return(null);
}
return(FromEncodedData(skdata));
}
}
public static SKImage FromEncodedData(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
if (data.Length == 0)
{
throw new ArgumentException("The data buffer was empty.");
fixed(byte *b = data)
{
using (var skdata = SKData.Create((IntPtr)b, data.Length)) {
return(FromEncodedData(skdata));
}
}
}
