public static SKSurface Create(GRRecordingContext context, CoreAnimation.CAMetalLayer layer, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props, out CoreAnimation.ICAMetalDrawable drawable)
{
void *drawablePtr;
var surface = GetObject(SkiaApi.sk_surface_new_metal_layer(context.Handle, (void *)layer.Handle, origin, sampleCount, colorType.ToNative(), colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero, &drawablePtr));
drawable = ObjCRuntime.Runtime.GetINativeObject <CoreAnimation.ICAMetalDrawable> ((IntPtr)drawablePtr, true);
return(surface);
}
public static SKShader CreateLinearGradient(SKPoint start, SKPoint end, SKColorF[] colors, SKColorSpace colorspace, SKShaderTileMode mode) => CreateLinearGradient(start, end, colors, colorspace, null, mode);
public static SKShader CreateRadialGradient(SKPoint center, float radius, SKColorF[] colors, SKColorSpace colorspace, SKShaderTileMode mode) => CreateRadialGradient(center, radius, colors, colorspace, null, mode);
public static SKSurface Create(GRContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace) => Create(context, renderTarget, origin, colorType, colorspace, null);
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace) => CreateAsRenderTarget(context, texture, origin, sampleCount, colorType, colorspace, null);
public static SKShader CreateSweepGradient(SKPoint center, SKColorF[] colors, SKColorSpace colorspace, SKShaderTileMode tileMode, float startAngle, float endAngle) => CreateSweepGradient(center, colors, colorspace, null, tileMode, startAngle, endAngle);
public static SKShader CreateTwoPointConicalGradient(SKPoint start, float startRadius, SKPoint end, float endRadius, SKColorF[] colors, SKColorSpace colorspace, SKShaderTileMode mode) => CreateTwoPointConicalGradient(start, startRadius, end, endRadius, colors, colorspace, null, mode);
static SKColorSpace()
{
srgb = new SKColorSpaceStatic(SkiaApi.sk_colorspace_new_srgb());
srgbLinear = new SKColorSpaceStatic(SkiaApi.sk_colorspace_new_srgb_linear());
}
public static SKImage FromTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace)
{
return(FromTexture(context, texture, origin, colorType, alpha, colorspace, null, null));
}
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;
if (releaseProc == null)
{
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, IntPtr.Zero, IntPtr.Zero)));
}
else
{
var ctx = new NativeDelegateContext(releaseContext, releaseProc);
return(GetObject <SKImage> (SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType, alpha, cs, textureReleaseDelegate, ctx.NativeContext)));
}
}
public SKImageInfo(int width, int height, SKColorType colorType, SKAlphaType alphaType, SKColorSpace colorspace)
{
this.width = width;
this.height = height;
this.colorType = colorType;
this.alphaType = alphaType;
this.colorSpace = colorspace;
}
public bool CopyTo(SKBitmap destination, SKColorType colorType)
{
if (destination == null)
{
throw new ArgumentNullException(nameof(destination));
}
if (!CanCopyTo(colorType))
{
return(false);
}
var srcPM = PeekPixels();
if (srcPM == null)
{
return(false);
}
var dstInfo = srcPM.Info.WithColorType(colorType);
switch (colorType)
{
case SKColorType.Rgb565:
// CopyTo() is not strict on alpha type. Here we set the src to opaque to allow
// the call to ReadPixels() to succeed and preserve this lenient behavior.
if (srcPM.AlphaType != SKAlphaType.Opaque)
{
srcPM = srcPM.WithAlphaType(SKAlphaType.Opaque);
}
dstInfo.AlphaType = SKAlphaType.Opaque;
break;
case SKColorType.RgbaF16:
// The caller does not have an opportunity to pass a dst color space.
// Assume that they want linear sRGB.
dstInfo.ColorSpace = SKColorSpace.CreateSrgbLinear();
if (srcPM.ColorSpace == null)
{
// We can't do a sane conversion to F16 without a dst color space.
// Guess sRGB in this case.
srcPM = srcPM.WithColorSpace(SKColorSpace.CreateSrgb());
}
break;
}
var tmpDst = new SKBitmap();
if (!tmpDst.TryAllocPixels(dstInfo))
{
return(false);
}
var dstPM = tmpDst.PeekPixels();
if (dstPM == null)
{
return(false);
}
// We can't do a sane conversion from F16 without a src color space. Guess sRGB in this case.
if (srcPM.ColorType == SKColorType.RgbaF16 && dstPM.ColorSpace == null)
{
dstPM = dstPM.WithColorSpace(SKColorSpace.CreateSrgb());
}
// ReadPixels does not yet support color spaces with parametric transfer functions. This
// works around that restriction when the color spaces are equal.
if (colorType != SKColorType.RgbaF16 && srcPM.ColorType != SKColorType.RgbaF16 && dstPM.ColorSpace == srcPM.ColorSpace)
{
dstPM = dstPM.WithColorSpace(null);
srcPM = srcPM.WithColorSpace(null);
}
if (!srcPM.ReadPixels(dstPM))
{
return(false);
}
destination.Swap(tmpDst);
return(true);
}
public static SKSurface Create(GRRecordingContext context, MetalKit.MTKView view, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props) => GetObject(SkiaApi.sk_surface_new_metal_view(context.Handle, (void *)view.Handle, origin, sampleCount, colorType.ToNative(), colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero));
public static SKSurface Create(GRRecordingContext context, MetalKit.MTKView view, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace) => Create(context, view, origin, sampleCount, colorType, colorspace, null);
public static SKShader CreateSweepGradient(SKPoint center, SKColorF[] colors, SKColorSpace colorspace) => CreateSweepGradient(center, colors, colorspace, null, SKShaderTileMode.Clamp, 0, 360);
public SKImageInfo(int width, int height, SKColorType colorType, SKAlphaType alphaType, SKColorSpace colorspace)
{
Width = width;
Height = height;
ColorType = colorType;
AlphaType = alphaType;
ColorSpace = colorspace;
}
public static SKShader CreateSweepGradient(SKPoint center, SKColorF[] colors, SKColorSpace colorspace, float[] colorPos, SKMatrix localMatrix) => CreateSweepGradient(center, colors, colorspace, colorPos, SKShaderTileMode.Clamp, 0, 360, localMatrix);
public static SKImage FromTexture(GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace, SKImageTextureReleaseDelegate releaseProc) => FromTexture(context, texture, origin, colorType, alpha, colorspace, releaseProc, null);
public static SKShader CreateSweepGradient(SKPoint center, SKColorF[] colors, SKColorSpace colorspace, float[] colorPos, SKShaderTileMode tileMode, float startAngle, float endAngle)
{
if (colors == null)
{
throw new ArgumentNullException(nameof(colors));
}
if (colorPos != null && colors.Length != colorPos.Length)
{
throw new ArgumentException("The number of colors must match the number of color positions.");
fixed(SKColorF *c = colors)
fixed(float *cp = colorPos)
{
return(GetObject(SkiaApi.sk_shader_new_sweep_gradient_color4f(¢er, c, colorspace?.Handle ?? IntPtr.Zero, cp, colors.Length, tileMode, startAngle, endAngle, null)));
}
}
public static SKImage FromTexture(GRRecordingContext 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(SkiaApi.sk_image_new_from_texture(context.Handle, texture.Handle, origin, colorType.ToNative(), alpha, cs, proxy, (void *)ctx)));
}
public static SKShader CreateTwoPointConicalGradient(SKPoint start, float startRadius, SKPoint end, float endRadius, SKColorF[] colors, SKColorSpace colorspace, float[] colorPos, SKShaderTileMode mode)
{
if (colors == null)
throw new ArgumentNullException(nameof(colors)); }
public static SKImage FromAdoptedTexture(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace) => FromAdoptedTexture((GRRecordingContext)context, texture, origin, colorType, alpha, colorspace);
public static SKSurface Create(GRContext context, GRBackendRenderTarget renderTarget, GRSurfaceOrigin origin, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (renderTarget == null)
{
throw new ArgumentNullException(nameof(renderTarget));
}
return(GetObject(SkiaApi.sk_surface_new_backend_render_target(context.Handle, renderTarget.Handle, origin, colorType, colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero)));
}
public static SKImage FromAdoptedTexture(GRRecordingContext context, GRBackendTexture texture, GRSurfaceOrigin origin, SKColorType colorType, SKAlphaType alpha, SKColorSpace colorspace)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
var cs = colorspace == null ? IntPtr.Zero : colorspace.Handle;
return(GetObject(SkiaApi.sk_image_new_from_adopted_texture(context.Handle, texture.Handle, origin, colorType.ToNative(), alpha, cs)));
}
public static SKSurface CreateAsRenderTarget(GRContext context, GRBackendTexture texture, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, SKSurfaceProperties props)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (texture == null)
{
throw new ArgumentNullException(nameof(texture));
}
return(GetObject(SkiaApi.sk_surface_new_backend_texture_as_render_target(context.Handle, texture.Handle, origin, sampleCount, colorType, colorspace?.Handle ?? IntPtr.Zero, props?.Handle ?? IntPtr.Zero)));
}
public SKImage ToTextureImage(GRContext context, SKColorSpace colorspace) => ToTextureImage(context, false);
public static SKShader CreateLinearGradient(SKPoint start, SKPoint end, SKColorF[] colors, SKColorSpace colorspace, float[] colorPos, SKShaderTileMode mode)
{
if (colors == null)
{
throw new ArgumentNullException(nameof(colors));
}
if (colorPos != null && colors.Length != colorPos.Length)
{
throw new ArgumentException("The number of colors must match the number of color positions.");
}
var points = stackalloc SKPoint[] { start, end };
fixed(SKColorF *c = colors)
fixed(float *cp = colorPos)
{
return(GetObject(SkiaApi.sk_shader_new_linear_gradient_color4f(points, c, colorspace?.Handle ?? IntPtr.Zero, cp, colors.Length, mode, null)));
}
}
public SKPixmap WithColorSpace(SKColorSpace newColorSpace)
{
return(new SKPixmap(Info.WithColorSpace(newColorSpace), GetPixels(), RowBytes));
}
public static SKShader CreateRadialGradient(SKPoint center, float radius, SKColorF[] colors, SKColorSpace colorspace, float[] colorPos, SKShaderTileMode mode, SKMatrix localMatrix)
{
if (colors == null)
{
throw new ArgumentNullException(nameof(colors));
}
if (colorPos != null && colors.Length != colorPos.Length)
{
throw new ArgumentException("The number of colors must match the number of color positions.");
fixed(SKColorF *c = colors)
fixed(float *cp = colorPos)
{
return(GetObject(SkiaApi.sk_shader_new_radial_gradient_color4f(¢er, radius, c, colorspace?.Handle ?? IntPtr.Zero, cp, colors.Length, mode, &localMatrix)));
}
}
public static SKSurface Create(GRRecordingContext context, CoreAnimation.CAMetalLayer layer, GRSurfaceOrigin origin, int sampleCount, SKColorType colorType, SKColorSpace colorspace, out CoreAnimation.ICAMetalDrawable drawable) => Create(context, layer, origin, sampleCount, colorType, colorspace, null, out drawable);