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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.RemoteDesktop.Input.Touch;
namespace Tango.RemoteDesktop.Input
{
public static class TouchController
{
private static bool _initialized;
private static PointerTouchInfo? _currentContact;
private static void Init()
{
if (!_initialized)
{
_initialized = true;
TouchInjector.InitializeTouchInjection();
}
}
public static void TouchDown(int x, int y)
{
Init();
var contact = MakePointerTouchInfo(x, y, 5, 1);
PointerFlags oFlags = PointerFlags.DOWN | PointerFlags.INRANGE | PointerFlags.INCONTACT;
contact.PointerInfo.PointerFlags = oFlags;
bool bIsSuccess = TouchInjector.InjectTouchInput(1, new[] { contact });
_currentContact = contact;
}
public static void TouchUp()
{
Init();
if (_currentContact != null)
{
var contact = _currentContact.Value;
contact.PointerInfo.PointerFlags = PointerFlags.UP;
TouchInjector.InjectTouchInput(1, new[] { contact });
_currentContact = null;
}
}
public static void TouchMove(int deltaX, int deltaY)
{
Init();
if (_currentContact != null)
{
var contact = _currentContact.Value;
contact.Move(deltaX, deltaY);
var oFlags = PointerFlags.INRANGE | PointerFlags.INCONTACT | PointerFlags.UPDATE;
contact.PointerInfo.PointerFlags = oFlags;
TouchInjector.InjectTouchInput(1, new[] { contact });
}
}
private static PointerTouchInfo MakePointerTouchInfo(int x, int y, int radius, uint orientation = 90, uint pressure = 32000)
{
PointerTouchInfo contact = new PointerTouchInfo();
contact.PointerInfo.pointerType = PointerInputType.TOUCH;
contact.TouchFlags = TouchFlags.NONE;
contact.Orientation = orientation;
contact.Pressure = pressure;
contact.TouchMasks = TouchMask.CONTACTAREA | TouchMask.ORIENTATION | TouchMask.PRESSURE;
contact.PointerInfo.PtPixelLocation.X = x;
contact.PointerInfo.PtPixelLocation.Y = y;
uint unPointerId = IdGenerator.GetUinqueUInt();
contact.PointerInfo.PointerId = unPointerId;
contact.ContactArea.left = x - radius;
contact.ContactArea.right = x + radius;
contact.ContactArea.top = y - radius;
contact.ContactArea.bottom = y + radius;
return contact;
}
}
}
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