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 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)));
}
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 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();
}
}
