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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 System.Collections;
namespace Cairo {
public class Pattern : IDisposable
{
protected IntPtr pattern = IntPtr.Zero;
internal static Pattern Lookup (IntPtr pattern)
{
if (pattern == IntPtr.Zero)
return null;
object x = patterns [pattern];
if (x != null)
return (Pattern) x;
PatternType pt = NativeMethods.cairo_pattern_get_type (pattern);
switch (pt) {
case PatternType.Solid:
return new SolidPattern (pattern);
case PatternType.Surface:
return new SurfacePattern (pattern);
case PatternType.Linear:
return new LinearGradient (pattern);
case PatternType.Radial:
return new RadialGradient (pattern);
default:
return new Pattern (pattern);
}
}
protected Pattern ()
{
}
static Hashtable patterns = new Hashtable ();
internal Pattern (IntPtr ptr)
{
lock (patterns){
patterns [ptr] = this;
}
pattern = ptr;
}
~Pattern ()
{
}
[Obsolete ("Use the SurfacePattern constructor")]
public Pattern (Surface surface)
{
pattern = NativeMethods.cairo_pattern_create_for_surface (surface.Handle);
}
protected void Reference ()
{
NativeMethods.cairo_pattern_reference (pattern);
}
void IDisposable.Dispose ()
{
Dispose (true);
}
protected virtual void Dispose (bool disposing)
{
if (disposing)
Destroy ();
GC.SuppressFinalize (this);
}
public void Destroy ()
{
if (pattern != IntPtr.Zero){
NativeMethods.cairo_pattern_destroy (pattern);
pattern = IntPtr.Zero;
}
lock (patterns){
patterns.Remove (this);
}
}
public Status Status
{
get { return NativeMethods.cairo_pattern_status (pattern); }
}
public Matrix Matrix {
set {
NativeMethods.cairo_pattern_set_matrix (pattern, value);
}
get {
Matrix m = new Matrix ();
NativeMethods.cairo_pattern_get_matrix (pattern, m);
return m;
}
}
public IntPtr Pointer {
get { return pattern; }
}
public PatternType PatternType {
get { return NativeMethods.cairo_pattern_get_type (pattern); }
}
}
}
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