102 lines
3.3 KiB
C#
102 lines
3.3 KiB
C#
////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2007-2020 , Inc. All Rights Reserved.
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//
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////////////////////////////////////////////////////////////////////////////////
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using System;
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using GCSeries.Core.Interop;
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namespace GCSeries.Core.Sdk
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{
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public class ZTargetManager : ZNativeResourceCache<ZTarget>
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{
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public ZTargetManager(ZContext context)
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{
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this._context = context;
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}
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////////////////////////////////////////////////////////////////////////
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// Public Properties
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////////////////////////////////////////////////////////////////////////
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/// <summary>
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/// The default head target ( glasses).
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/// </summary>
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public ZTarget HeadTarget => this.GetTarget(ZTargetType.Head);
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/// <summary>
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/// The default stylus target.
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/// </summary>
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public ZTarget StylusTarget => this.GetTarget(ZTargetType.Primary);
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////////////////////////////////////////////////////////////////////////
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// Public Methods
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////////////////////////////////////////////////////////////////////////
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/// <summary>
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/// Gets the number of trackable targets of a specified type that
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/// are currently supported.
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/// </summary>
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///
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/// <param name="targetType">
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/// The target type.
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/// </param>
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///
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/// <returns>
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/// The number of supported trackable targets of a specified type.
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/// </returns>
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public int GetNumTargets(ZTargetType targetType)
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{
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int numTargets = 0;
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ZPlugin.LogOnError(ZPlugin.GetNumTargetsByType(
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this._context.NativePtr, targetType, out numTargets),
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"GetNumTargetsByType");
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return numTargets;
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}
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/// <summary>
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/// Gets a reference to a trackable target of a specified type at a
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/// specified index.
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/// </summary>
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///
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/// <param name="targetType">
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/// The target type.
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/// </param>
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/// <param name="index">
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/// The index to retrieve the target at.
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/// </param>
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///
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/// <returns>
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/// A reference to the trackable target if found. Null otherwise.
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/// </returns>
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public ZTarget GetTarget(ZTargetType targetType, int index = 0)
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{
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IntPtr targetNativePtr = IntPtr.Zero;
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ZPlugin.LogOnError(ZPlugin.GetTargetByType(
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this._context.NativePtr, targetType, index,
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out targetNativePtr), "GetTargetByType");
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return this.GetOrCreateCachedResource(targetNativePtr);
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}
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////////////////////////////////////////////////////////////////////////
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// Private Methods
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////////////////////////////////////////////////////////////////////////
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private ZTarget GetOrCreateCachedResource(IntPtr targetNativePtr)
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{
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return this.GetOrCreateCachedResource(
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targetNativePtr, t => new ZTarget(t));
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}
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////////////////////////////////////////////////////////////////////////
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// Private Members
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////////////////////////////////////////////////////////////////////////
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private ZContext _context = null;
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}
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}
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