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//
// Mono.Cairo.Pattern.cs
//
// Author: Jordi Mas (jordi@ximian.com)
// Hisham Mardam Bey (hisham.mardambey@gmail.com)
// (C) Ximian Inc, 2004.
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using Drawing2D;
namespace Crow.CairoBackend
{
public class Pattern : IPattern
{
internal IntPtr handle;
public IntPtr Handle => handle;
public static Pattern Lookup (IntPtr pattern, bool owner)
{
if (pattern == IntPtr.Zero)
return null;
PatternType pt = NativeMethods.cairo_pattern_get_type (pattern);
switch (pt) {
case PatternType.Solid:
return new SolidPattern (pattern, owner);
case PatternType.Surface:
return new SurfacePattern (pattern, owner);
case PatternType.Linear:
return new LinearGradient (pattern, owner);
case PatternType.Radial:
return new RadialGradient (pattern, owner);
default:
return new Pattern (pattern, owner);
}
}
internal Pattern (IntPtr handle, bool owned)
{
this.handle = handle;
if (!owned)
NativeMethods.cairo_pattern_reference (handle);
if (CairoDebug.Enabled)
CairoDebug.OnAllocated (handle);
}
[Obsolete ("Use the SurfacePattern constructor")]
public Pattern (Surface surface)
: this ( NativeMethods.cairo_pattern_create_for_surface (surface.Handle), true)
{
}
[Obsolete]
protected void Reference ()
{
NativeMethods.cairo_pattern_reference (handle);
}
public Status Status => NativeMethods.cairo_pattern_status (handle);
public Matrix Matrix {
set => NativeMethods.cairo_pattern_set_matrix (handle, value);
get {
Matrix m = new Matrix ();
NativeMethods.cairo_pattern_get_matrix (handle, m);
return m;
}
}
public PatternType PatternType => NativeMethods.cairo_pattern_get_type (handle);
#region IPattern implementation
public Extend Extend
{
get { return NativeMethods.cairo_pattern_get_extend (handle); }
set { NativeMethods.cairo_pattern_set_extend (handle, value); }
}
public Filter Filter {
get => NativeMethods.cairo_pattern_get_filter (handle);
set => NativeMethods.cairo_pattern_set_filter (handle, value);
}
#endregion
~Pattern ()
{
Dispose (false);
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposing || CairoDebug.Enabled)
CairoDebug.OnDisposed<Pattern> (handle, disposing);
if (!disposing|| handle == IntPtr.Zero)
return;
NativeMethods.cairo_pattern_destroy (handle);
handle = IntPtr.Zero;
}
}
}
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