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// Copyright (c) 2018-2021 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
using System;
using Drawing2D;
namespace Crow.VkvgBackend
{
public class Pattern : IPattern
{
internal IntPtr handle = IntPtr.Zero;
#region CTORS & DTOR
protected Pattern(IntPtr handle)
{
this.handle = handle;
}
public Pattern(float r, float g, float b)
{
handle = NativeMethods.vkvg_pattern_create_rgb(r, g, b);
}
public Pattern(float r, float g, float b, float a)
{
handle = NativeMethods.vkvg_pattern_create_rgba(r, g, b, a);
}
public Pattern(Surface surf)
{
handle = NativeMethods.vkvg_pattern_create_for_surface(surf.handle);
}
~Pattern()
{
Dispose(false);
}
#endregion
public void AddReference()
{
NativeMethods.vkvg_pattern_reference(handle);
}
public uint References() => NativeMethods.vkvg_pattern_get_reference_count(handle);
public Extend Extend
{
get => NativeMethods.vkvg_pattern_get_extend(handle);
set { NativeMethods.vkvg_pattern_set_extend(handle, value); }
}
public Filter Filter
{
get => NativeMethods.vkvg_pattern_get_filter(handle);
set { NativeMethods.vkvg_pattern_set_filter(handle, value); }
}
#region IDisposable implementation
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
protected virtual void Dispose(bool disposing)
{
if (!disposing || handle == IntPtr.Zero)
return;
NativeMethods.vkvg_pattern_destroy(handle);
handle = IntPtr.Zero;
}
#endregion
}
}
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