103 lines
4.9 KiB
C#
103 lines
4.9 KiB
C#
// Copyright (c) 2010-2014 SharpDX - Alexandre Mutel
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System;
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using System.Runtime.InteropServices;
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using SharpDX.Mathematics.Interop;
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namespace SharpDX.Direct2D1
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{
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/// <summary>
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/// Internal GeometrySink Callback
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/// </summary>
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internal class GeometrySinkShadow : SimplifiedGeometrySinkShadow
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{
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private static readonly GeometrySinkVtbl Vtbl = new GeometrySinkVtbl();
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protected override CppObjectVtbl GetVtbl { get { return Vtbl; } }
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/// <summary>
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/// Get a native callback pointer from a managed callback.
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/// </summary>
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/// <param name="geometrySink">The geometry sink.</param>
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/// <returns>A pointer to the unmanaged geometry sink counterpart</returns>
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public static IntPtr ToIntPtr(GeometrySink geometrySink)
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{
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return ToCallbackPtr<GeometrySink>(geometrySink);
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}
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private class GeometrySinkVtbl : SimplifiedGeometrySinkVtbl
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{
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public GeometrySinkVtbl() : base(5)
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{
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AddMethod(new AddLineDelegate(AddLineImpl));
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AddMethod(new AddBezierDelegate(AddBezierImpl));
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AddMethod(new AddQuadraticBezierDelegate(AddQuadraticBezierImpl));
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AddMethod(new AddQuadraticBeziersDelegate(AddQuadraticBeziersImpl));
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AddMethod(new AddArcDelegate(AddArcImpl));
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void AddLineDelegate(IntPtr thisPtr, RawVector2 point);
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private static unsafe void AddLineImpl(IntPtr thisPtr, RawVector2 point)
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{
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var shadow = ToShadow<GeometrySinkShadow>(thisPtr);
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var callback = (GeometrySink)shadow.Callback;
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callback.AddLine(point);
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void AddBezierDelegate(IntPtr thisPtr, IntPtr bezier);
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private static unsafe void AddBezierImpl(IntPtr thisPtr, IntPtr bezier)
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{
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var shadow = ToShadow<GeometrySinkShadow>(thisPtr);
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var callback = (GeometrySink)shadow.Callback;
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callback.AddBezier(*((SharpDX.Direct2D1.BezierSegment*)bezier));
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void AddQuadraticBezierDelegate(IntPtr thisPtr, IntPtr bezier);
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private static unsafe void AddQuadraticBezierImpl(IntPtr thisPtr, IntPtr bezier)
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{
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var shadow = ToShadow<GeometrySinkShadow>(thisPtr);
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var callback = (GeometrySink)shadow.Callback;
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callback.AddQuadraticBezier(*((SharpDX.Direct2D1.QuadraticBezierSegment*)bezier));
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void AddQuadraticBeziersDelegate(IntPtr thisPtr, IntPtr beziers, int beziersCount);
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private static unsafe void AddQuadraticBeziersImpl(IntPtr thisPtr, IntPtr beziers, int beziersCount)
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{
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var shadow = ToShadow<GeometrySinkShadow>(thisPtr);
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var callback = (GeometrySink)shadow.Callback;
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var managedBeziers = new SharpDX.Direct2D1.QuadraticBezierSegment[beziersCount];
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Utilities.Read(beziers, managedBeziers, 0, beziersCount);
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callback.AddQuadraticBeziers(managedBeziers);
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}
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[UnmanagedFunctionPointer(CallingConvention.StdCall)]
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private delegate void AddArcDelegate(IntPtr thisPtr, IntPtr arc);
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private static unsafe void AddArcImpl(IntPtr thisPtr, IntPtr arc)
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{
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var shadow = ToShadow<GeometrySinkShadow>(thisPtr);
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var callback = (GeometrySink)shadow.Callback;
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callback.AddArc(*((ArcSegment*)arc));
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}
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}
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}
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} |