protected SKAbstractManagedWStream(bool owns)
: base(IntPtr.Zero, owns)
{
var ctx = DelegateProxies.CreateUserData(this, true);
Handle = SkiaApi.sk_managedwstream_new(ctx);
}
private static void GetBoundsInternal(IntPtr d, void *context, SKRect *rect)
{
var drawable = DelegateProxies.GetUserData <SKDrawable> ((IntPtr)context, out _);
var bounds = drawable.OnGetBounds();
*rect = bounds;
}
protected override void DisposeNative()
{
DelegateProxies.GetUserData <SKTraceMemoryDump> (userData, out var gch);
SkiaApi.sk_managedtracememorydump_delete(Handle);
gch.Free();
}
private static void DumpStringValueInternal(IntPtr d, void *context, void *dumpName, void *valueName, void *value)
{
var dump = DelegateProxies.GetUserData <SKTraceMemoryDump> ((IntPtr)context, out _);
dump.OnDumpStringValue(
Marshal.PtrToStringAnsi((IntPtr)dumpName),
Marshal.PtrToStringAnsi((IntPtr)valueName),
Marshal.PtrToStringAnsi((IntPtr)value));
}
public bool InstallPixels (SKImageInfo info, IntPtr pixels, int rowBytes, SKBitmapReleaseDelegate releaseProc, object context)
{
var cinfo = SKImageInfoNative.FromManaged (ref info);
var del = releaseProc != null && context != null
? new SKBitmapReleaseDelegate ((addr, _) => releaseProc (addr, context))
: releaseProc;
var proxy = DelegateProxies.Create (del, DelegateProxies.SKBitmapReleaseDelegateProxy, out _, out var ctx);
return SkiaApi.sk_bitmap_install_pixels (Handle, &cinfo, (void*)pixels, (IntPtr)rowBytes, proxy, (void*)ctx);
}
public static SKData Create(IntPtr address, int length, SKDataReleaseDelegate releaseProc, object context)
{
var del = releaseProc != null && context != null
? new SKDataReleaseDelegate((addr, _) => releaseProc(addr, context))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKDataReleaseDelegateProxy, out _, out var ctx);
return(GetObject(SkiaApi.sk_data_new_with_proc((void *)address, (IntPtr)length, proxy, (void *)ctx)));
}
public static GRGlInterface CreateWebGl(GRGlGetProcedureAddressDelegate get)
{
var proxy = DelegateProxies.Create(get, DelegateProxies.GRGlGetProcDelegateProxy, out var gch, out var ctx);
try {
return(GetObject(SkiaApi.gr_glinterface_assemble_webgl_interface((void *)ctx, proxy)));
} finally {
gch.Free();
}
}
public static SKSurface Create(SKImageInfo info, IntPtr pixels, int rowBytes, SKSurfaceReleaseDelegate releaseProc, object context, SKSurfaceProperties props)
{
var cinfo = SKImageInfoNative.FromManaged(ref info);
var del = releaseProc != null && context != null
? new SKSurfaceReleaseDelegate((addr, _) => releaseProc(addr, context))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKSurfaceReleaseDelegateProxy, out _, out var ctx);
return(GetObject <SKSurface> (SkiaApi.sk_surface_new_raster_direct(ref cinfo, pixels, (IntPtr)rowBytes, proxy, ctx, props?.Handle ?? IntPtr.Zero)));
}
private static void DestroyInternal(IntPtr s, IntPtr context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedWStream> (context, out var gch);
if (stream != null)
{
Interlocked.Exchange(ref stream.fromNative, 1);
stream.Dispose();
}
gch.Free();
}
protected SKTraceMemoryDump(bool detailedDump, bool dumpWrappedObjects)
: base(IntPtr.Zero, true)
{
userData = DelegateProxies.CreateUserData(this, true);
Handle = SkiaApi.sk_managedtracememorydump_new(detailedDump, dumpWrappedObjects, (void *)userData);
if (Handle == IntPtr.Zero)
{
throw new InvalidOperationException("Unable to create a new SKTraceMemoryDump instance.");
}
}
private static void DestroyInternal(IntPtr d, void *context)
{
var drawable = DelegateProxies.GetUserData <SKDrawable> ((IntPtr)context, out var gch);
if (drawable != null)
{
Interlocked.Exchange(ref drawable.fromNative, 1);
drawable.Dispose();
}
gch.Free();
}
protected SKDrawable(bool owns)
: base(IntPtr.Zero, owns)
{
var ctx = DelegateProxies.CreateUserData(this, true);
Handle = SkiaApi.sk_manageddrawable_new((void *)ctx);
if (Handle == IntPtr.Zero)
{
throw new InvalidOperationException("Unable to create a new SKDrawable instance.");
}
}
public void Initialize(GRVkGetProcedureAddressDelegate getProc, IntPtr vkInstance, IntPtr vkPhysicalDevice, string[] instanceExtensions, string[] deviceExtensions)
{
var proxy = DelegateProxies.Create(getProc, DelegateProxies.GRVkGetProcDelegateProxy, out var gch, out var ctx);
try {
var ie = instanceExtensions;
var de = deviceExtensions;
SkiaApi.gr_vk_extensions_init(Handle, proxy, (void *)ctx, vkInstance, vkPhysicalDevice, (uint)(ie?.Length ?? 0), ie, (uint)(de?.Length ?? 0), de);
} finally {
gch.Free();
}
}
public static GRGlInterface AssembleGlInterface(object context, GRGlGetProcDelegate get)
{
var del = get != null && context != null
? new GRGlGetProcDelegate((_, name) => get(context, name))
: get;
var proxy = DelegateProxies.Create(del, DelegateProxies.GRGlGetProcDelegateProxy, out var gch, out var ctx);
try {
return(GetObject <GRGlInterface> (SkiaApi.gr_glinterface_assemble_gl_interface(ctx, proxy)));
} finally {
gch.Free();
}
}
public static SKImage FromPixels(SKPixmap pixmap, SKImageRasterReleaseDelegate releaseProc, object releaseContext)
{
if (pixmap == null)
{
throw new ArgumentNullException(nameof(pixmap));
}
var del = releaseProc != null && releaseContext != null
? new SKImageRasterReleaseDelegate((addr, _) => releaseProc(addr, releaseContext))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKImageRasterReleaseDelegateProxy, out _, out var ctx);
return(GetObject <SKImage> (SkiaApi.sk_image_new_raster(pixmap.Handle, proxy, (void *)ctx)));
}
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc, object releaseContext)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
var del = releaseProc != null && releaseContext != null
? new SKImageTextureReleaseDelegate((_) => releaseProc(releaseContext))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKImageTextureReleaseDelegateProxy, out _, out var ctx);
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, proxy, (void *)ctx)));
}
public static GRGlInterface AssembleInterface(object context, GRGlGetProcDelegate get)
{
// if on Windows, try ANGLE
if (PlatformConfiguration.IsWindows)
{
var angle = AssembleAngleInterface(context, get);
if (angle != null)
{
return(angle);
}
}
// try the native default
var del = get != null && context != null
? new GRGlGetProcDelegate((_, name) => get(context, name))
: get;
var proxy = DelegateProxies.Create(del, DelegateProxies.GRGlGetProcDelegateProxy, out var gch, out var ctx);
try {
return(GetObject <GRGlInterface> (SkiaApi.gr_glinterface_assemble_interface(ctx, proxy)));
} finally {
gch.Free();
}
}
private static void FlushInternal(IntPtr s, IntPtr context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedWStream> (context, out _);
stream.OnFlush();
}
private static IntPtr DuplicateInternal(IntPtr s, void *context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> ((IntPtr)context, out _);
return(stream.OnDuplicate());
}
private static bool HasLengthInternal(IntPtr s, IntPtr context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> (context, out _);
return(stream.OnHasLength());
}
private static IntPtr PeekInternal(IntPtr s, void *context, void *buffer, IntPtr size)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> ((IntPtr)context, out _);
return(stream.OnPeek((IntPtr)buffer, size));
}
private static bool SeekInternal(IntPtr s, IntPtr context, IntPtr position)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> (context, out _);
return(stream.OnSeek(position));
}
private static IntPtr NewPictureSnapshotInternal(IntPtr d, void *context)
{
var drawable = DelegateProxies.GetUserData <SKDrawable> ((IntPtr)context, out _);
return(drawable.OnSnapshot()?.Handle ?? IntPtr.Zero);
}
private static void GetBoundsInternal(IntPtr d, IntPtr context, out SKRect rect)
{
var drawable = DelegateProxies.GetUserData <SKDrawable> (context, out _);
rect = drawable.OnGetBounds();
}
private static void DrawInternal(IntPtr d, void *context, IntPtr canvas)
{
var drawable = DelegateProxies.GetUserData <SKDrawable> ((IntPtr)context, out _);
drawable.OnDraw(SKCanvas.GetObject(canvas, false));
}
private static bool MoveInternal(IntPtr s, IntPtr context, int offset)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> (context, out _);
return(stream.OnMove(offset));
}
private static IntPtr ForkInternal(IntPtr s, IntPtr context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> (context, out _);
return(stream.OnFork());
}
private static IntPtr BytesWrittenInternal(IntPtr s, IntPtr context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedWStream> (context, out _);
return(stream.OnBytesWritten());
}
private static bool RewindInternal(IntPtr s, void *context)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedStream> ((IntPtr)context, out _);
return(stream.OnRewind());
}
private static bool WriteInternal(IntPtr s, IntPtr context, IntPtr buffer, IntPtr size)
{
var stream = DelegateProxies.GetUserData <SKAbstractManagedWStream> (context, out _);
return(stream.OnWrite(buffer, size));
}
