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mattleibowmattleibow
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Expose SKBlender (#2830)
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18 files changed

+567
-2
lines changed

18 files changed

+567
-2
lines changed

‎binding/SkiaSharp.Resources/ResourcesApi.generated.cs

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@@ -18,6 +18,7 @@
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using gr_vk_memory_allocator_t = System.IntPtr;
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using gr_vkinterface_t = System.IntPtr;
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using sk_bitmap_t = System.IntPtr;
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using sk_blender_t = System.IntPtr;
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using sk_canvas_t = System.IntPtr;
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using sk_codec_t = System.IntPtr;
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using sk_colorfilter_t = System.IntPtr;

‎binding/SkiaSharp.SceneGraph/SceneGraphApi.generated.cs

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@@ -18,6 +18,7 @@
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using gr_vk_memory_allocator_t = System.IntPtr;
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using gr_vkinterface_t = System.IntPtr;
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using sk_bitmap_t = System.IntPtr;
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using sk_blender_t = System.IntPtr;
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using sk_canvas_t = System.IntPtr;
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using sk_codec_t = System.IntPtr;
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using sk_colorfilter_t = System.IntPtr;

‎binding/SkiaSharp.Skottie/SkottieApi.generated.cs

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@@ -18,6 +18,7 @@
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using gr_vk_memory_allocator_t = System.IntPtr;
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using gr_vkinterface_t = System.IntPtr;
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using sk_bitmap_t = System.IntPtr;
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using sk_blender_t = System.IntPtr;
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using sk_canvas_t = System.IntPtr;
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using sk_codec_t = System.IntPtr;
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using sk_colorfilter_t = System.IntPtr;

‎binding/SkiaSharp/SKBlender.cs

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@@ -0,0 +1,63 @@
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using System;
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using System.Collections.Generic;
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namespace SkiaSharp;
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public unsafe class SKBlender : SKObject, ISKReferenceCounted
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{
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private static readonly Dictionary<SKBlendMode, SKBlender> blendModeBlenders;
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static SKBlender ()
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{
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// TODO: This is not the best way to do this as it will create a lot of objects that
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// might not be needed, but it is the only way to ensure that the static
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// instances are created before any access is made to them.
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// See more info: SKObject.EnsureStaticInstanceAreInitialized()
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var modes = Enum.GetValues (typeof (SKBlendMode));
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blendModeBlenders = new Dictionary<SKBlendMode, SKBlender> (modes.Length);
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foreach (SKBlendMode mode in modes)
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{
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blendModeBlenders [mode] = new SKBlenderStatic (SkiaApi.sk_blender_new_mode (mode));
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}
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}
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internal static void EnsureStaticInstanceAreInitialized ()
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{
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// IMPORTANT: do not remove to ensure that the static instances
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// are initialized before any access is made to them
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}
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internal SKBlender(IntPtr handle, bool owns)
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: base (handle, owns)
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{
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}
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protected override void Dispose (bool disposing) =>
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base.Dispose (disposing);
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public static SKBlender CreateBlendMode (SKBlendMode mode)
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{
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if (!blendModeBlenders.TryGetValue (mode, out var value))
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throw new ArgumentOutOfRangeException (nameof (mode));
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return value;
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}
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public static SKBlender CreateArithmetic (float k1, float k2, float k3, float k4, bool enforcePMColor) =>
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GetObject (SkiaApi.sk_blender_new_arithmetic (k1, k2, k3, k4, enforcePMColor));
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internal static SKBlender GetObject (IntPtr handle) =>
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GetOrAddObject (handle, (h, o) => new SKBlender (h, o));
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//
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private sealed class SKBlenderStatic : SKBlender
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{
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internal SKBlenderStatic (IntPtr x)
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: base (x, false)
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{
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}
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protected override void Dispose (bool disposing) { }
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}
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}

‎binding/SkiaSharp/SKColorSpace.cs

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@@ -12,6 +12,11 @@ public unsafe class SKColorSpace : SKObject, ISKNonVirtualReferenceCounted
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static SKColorSpace ()
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{
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// TODO: This is not the best way to do this as it will create a lot of objects that
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// might not be needed, but it is the only way to ensure that the static
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// instances are created before any access is made to them.
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// See more info: SKObject.EnsureStaticInstanceAreInitialized()
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1520
srgb = new SKColorSpaceStatic (SkiaApi.sk_colorspace_new_srgb ());
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srgbLinear = new SKColorSpaceStatic (SkiaApi.sk_colorspace_new_srgb_linear ());
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}

‎binding/SkiaSharp/SKData.cs

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@@ -19,6 +19,11 @@ public unsafe class SKData : SKObject, ISKNonVirtualReferenceCounted
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static SKData ()
2121
{
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// TODO: This is not the best way to do this as it will create a lot of objects that
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// might not be needed, but it is the only way to ensure that the static
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// instances are created before any access is made to them.
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// See more info: SKObject.EnsureStaticInstanceAreInitialized()
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2227
empty = new SKDataStatic (SkiaApi.sk_data_new_empty ());
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}
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‎binding/SkiaSharp/SKFontManager.cs

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@@ -14,6 +14,11 @@ public unsafe class SKFontManager : SKObject, ISKReferenceCounted
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static SKFontManager ()
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{
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// TODO: This is not the best way to do this as it will create a lot of objects that
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// might not be needed, but it is the only way to ensure that the static
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// instances are created before any access is made to them.
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// See more info: SKObject.EnsureStaticInstanceAreInitialized()
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defaultManager = new SKFontManagerStatic (SkiaApi.sk_fontmgr_ref_default ());
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}
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‎binding/SkiaSharp/SKImageFilter.cs

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@@ -341,6 +341,23 @@ public static SKImageFilter CreateBlendMode (SKBlendMode mode, SKImageFilter? ba
341341
private static SKImageFilter CreateBlendMode (SKBlendMode mode, SKImageFilter? background, SKImageFilter? foreground, SKRect* cropRect) =>
342342
GetObject (SkiaApi.sk_imagefilter_new_blend (mode, background?.Handle ?? IntPtr.Zero, foreground?.Handle ?? IntPtr.Zero, cropRect));
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// CreateBlendMode (Blender)
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public static SKImageFilter CreateBlendMode (SKBlender blender, SKImageFilter? background) =>
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CreateBlendMode (blender, background, null, null);
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public static SKImageFilter CreateBlendMode (SKBlender blender, SKImageFilter? background, SKImageFilter? foreground) =>
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CreateBlendMode (blender, background, foreground, null);
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public static SKImageFilter CreateBlendMode (SKBlender blender, SKImageFilter? background, SKImageFilter? foreground, SKRect cropRect) =>
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CreateBlendMode (blender, background, foreground, &cropRect);
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private static SKImageFilter CreateBlendMode (SKBlender blender, SKImageFilter? background, SKImageFilter? foreground, SKRect* cropRect)
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{
357+
_ = blender ?? throw new ArgumentNullException (nameof (blender));
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return GetObject (SkiaApi.sk_imagefilter_new_blender (blender.Handle, background?.Handle ?? IntPtr.Zero, foreground?.Handle ?? IntPtr.Zero, cropRect));
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}
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// CreateArithmetic
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public static SKImageFilter CreateArithmetic (float k1, float k2, float k3, float k4, bool enforcePMColor, SKImageFilter? background) =>

‎binding/SkiaSharp/SKObject.cs

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@@ -44,6 +44,7 @@ static SKObject ()
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SKData.EnsureStaticInstanceAreInitialized ();
4545
SKFontManager.EnsureStaticInstanceAreInitialized ();
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SKTypeface.EnsureStaticInstanceAreInitialized ();
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SKBlender.EnsureStaticInstanceAreInitialized ();
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}
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internal SKObject (IntPtr handle, bool owns)

‎binding/SkiaSharp/SKPaint.cs

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@@ -203,6 +203,11 @@ public SKBlendMode BlendMode {
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set => SkiaApi.sk_paint_set_blendmode (Handle, value);
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}
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public SKBlender Blender {
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get => SKBlender.GetObject (SkiaApi.sk_paint_get_blender (Handle));
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set => SkiaApi.sk_paint_set_blender (Handle, value == null ? IntPtr.Zero : value.Handle);
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}
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[Obsolete ($"Use {nameof (SKSamplingOptions)} instead.")]
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public SKFilterQuality FilterQuality {
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get => (SKFilterQuality)SkiaApi.sk_compatpaint_get_filter_quality (Handle);

‎binding/SkiaSharp/SKRuntimeEffect.cs

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@@ -41,6 +41,17 @@ public static SKRuntimeEffect CreateColorFilter (string sksl, out string errors)
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return effect;
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}
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public static SKRuntimeEffect CreateBlender (string sksl, out string errors)
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{
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using var s = new SKString (sksl);
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using var errorString = new SKString ();
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var effect = GetObject (SkiaApi.sk_runtimeeffect_make_for_blender (s.Handle, errorString.Handle));
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errors = errorString?.ToString ();
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if (errors?.Length == 0)
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errors = null;
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return effect;
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}
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// Build*
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public static SKRuntimeShaderBuilder BuildShader (string sksl)
@@ -57,6 +68,13 @@ public static SKRuntimeColorFilterBuilder BuildColorFilter (string sksl)
5768
return new SKRuntimeColorFilterBuilder (effect);
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}
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public static SKRuntimeBlenderBuilder BuildBlender (string sksl)
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{
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var effect = CreateBlender (sksl, out var errors);
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ValidateResult (effect, errors);
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return new SKRuntimeBlenderBuilder (effect);
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}
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6078
private static void ValidateResult (SKRuntimeEffect effect, string errors)
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{
6280
if (effect is null) {
@@ -148,6 +166,30 @@ private SKColorFilter ToColorFilter (SKData uniforms, SKObject[] children)
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}
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}
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// ToBlender
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public SKBlender ToBlender () =>
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ToBlender ((SKData)null, null);
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public SKBlender ToBlender (SKRuntimeEffectUniforms uniforms) =>
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ToBlender (uniforms.ToData (), null);
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private SKBlender ToBlender (SKData uniforms) =>
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ToBlender (uniforms, null);
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public SKBlender ToBlender (SKRuntimeEffectUniforms uniforms, SKRuntimeEffectChildren children) =>
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ToBlender (uniforms.ToData (), children.ToArray ());
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private SKBlender ToBlender (SKData uniforms, SKObject[] children)
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{
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var uniformsHandle = uniforms?.Handle ?? IntPtr.Zero;
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using var childrenHandles = Utils.RentHandlesArray (children, true);
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fixed (IntPtr* ch = childrenHandles) {
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return SKBlender.GetObject (SkiaApi.sk_runtimeeffect_make_blender (Handle, uniformsHandle, ch, (IntPtr)childrenHandles.Length));
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}
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}
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//
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153195
internal static SKRuntimeEffect GetObject (IntPtr handle) =>
@@ -560,15 +602,24 @@ public SKRuntimeEffectChild (SKColorFilter colorFilter)
560602
value = colorFilter;
561603
}
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605+
public SKRuntimeEffectChild (SKBlender blender)
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{
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value = blender;
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}
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563610
public SKObject Value => value;
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public SKShader Shader => value as SKShader;
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public SKColorFilter ColorFilter => value as SKColorFilter;
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public SKBlender Blender => value as SKBlender;
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public static implicit operator SKRuntimeEffectChild (SKShader shader) => new (shader);
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public static implicit operator SKRuntimeEffectChild (SKColorFilter colorFilter) => new (colorFilter);
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public static implicit operator SKRuntimeEffectChild (SKBlender blender) => new (blender);
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}
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574625
public class SKRuntimeEffectBuilderException : ApplicationException
@@ -627,4 +678,15 @@ public SKRuntimeColorFilterBuilder (SKRuntimeEffect effect)
627678
public SKColorFilter Build () =>
628679
Effect.ToColorFilter (Uniforms, Children);
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}
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public class SKRuntimeBlenderBuilder : SKRuntimeEffectBuilder
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{
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public SKRuntimeBlenderBuilder (SKRuntimeEffect effect)
685+
: base (effect)
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{
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}
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public SKBlender Build () =>
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Effect.ToBlender (Uniforms, Children);
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}
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}

‎binding/SkiaSharp/SKShader.cs

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@@ -408,6 +408,23 @@ public static SKShader CreateCompose (SKShader shaderA, SKShader shaderB, SKBlen
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return GetObject (SkiaApi.sk_shader_new_blend (mode, shaderA.Handle, shaderB.Handle));
409409
}
410410

411+
// CreateBlend
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public static SKShader CreateBlend (SKBlendMode mode, SKShader shaderA, SKShader shaderB)
414+
{
415+
_ = shaderA ?? throw new ArgumentNullException (nameof (shaderA));
416+
_ = shaderB ?? throw new ArgumentNullException (nameof (shaderB));
417+
return GetObject (SkiaApi.sk_shader_new_blend (mode, shaderA.Handle, shaderB.Handle));
418+
}
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public static SKShader CreateBlend (SKBlender blender, SKShader shaderA, SKShader shaderB)
421+
{
422+
_ = shaderA ?? throw new ArgumentNullException (nameof (shaderA));
423+
_ = shaderB ?? throw new ArgumentNullException (nameof (shaderB));
424+
_ = blender ?? throw new ArgumentNullException (nameof (blender));
425+
return GetObject (SkiaApi.sk_shader_new_blender (blender.Handle, shaderA.Handle, shaderB.Handle));
426+
}
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// CreateColorFilter
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413430
public static SKShader CreateColorFilter (SKShader shader, SKColorFilter filter)

‎binding/SkiaSharp/SKTypeface.cs

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@@ -14,6 +14,11 @@ public unsafe class SKTypeface : SKObject, ISKReferenceCounted
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static SKTypeface ()
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{
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// TODO: This is not the best way to do this as it will create a lot of objects that
18+
// might not be needed, but it is the only way to ensure that the static
19+
// instances are created before any access is made to them.
20+
// See more info: SKObject.EnsureStaticInstanceAreInitialized()
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1722
defaultTypeface = new SKTypefaceStatic (SkiaApi.sk_typeface_ref_default ());
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}
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