GtkSharp/cairo/FontOptions.cs
Andrés G. Aragoneses 8aaed84e5e cairo: Fix remaining leaks when finalizer gets called
Apply same finalizer leak fix to the rest of IDisposable-ownership
cairo classes as the one recently committed for Cairo.Context[1].

[1] https://github.com/mono/gtk-sharp/commit/41eeecbf9a6d8
2013-11-30 15:34:29 +01:00

182 lines
4.3 KiB
C#

//
// Mono.Cairo.FontOptions.cs
//
// Author:
// John Luke (john.luke@gmail.com)
//
// (C) John Luke 2005.
//
// 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;
namespace Cairo
{
public class FontOptions : IDisposable
{
IntPtr handle;
public FontOptions () : this (NativeMethods.cairo_font_options_create ())
{
}
~FontOptions ()
{
Dispose (false);
}
internal FontOptions (IntPtr handle)
{
if (handle == IntPtr.Zero)
throw new ArgumentException ("handle should not be NULL", "handle");
this.handle = handle;
if (CairoDebug.Enabled)
CairoDebug.OnAllocated (handle);
}
public FontOptions Copy ()
{
CheckDisposed ();
return new FontOptions (NativeMethods.cairo_font_options_copy (handle));
}
[Obsolete ("Use Dispose()")]
public void Destroy ()
{
Dispose ();
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing)
{
if (!disposing || CairoDebug.Enabled)
CairoDebug.OnDisposed<FontOptions> (handle, disposing);
if (handle == IntPtr.Zero)
return;
NativeMethods.cairo_font_options_destroy (handle);
handle = IntPtr.Zero;
}
void CheckDisposed ()
{
if (handle == IntPtr.Zero)
throw new ObjectDisposedException ("Object has already been disposed");
}
public static bool operator == (FontOptions options, FontOptions other)
{
return Equals (options, other);
}
public static bool operator != (FontOptions options, FontOptions other)
{
return !(options == other);
}
public override bool Equals (object other)
{
return Equals (other as FontOptions);
}
bool Equals (FontOptions options)
{
return options != null && NativeMethods.cairo_font_options_equal (Handle, options.Handle);
}
public IntPtr Handle {
get { return handle; }
}
public override int GetHashCode ()
{
return (int) NativeMethods.cairo_font_options_hash (handle);
}
public void Merge (FontOptions other)
{
if (other == null)
throw new ArgumentNullException ("other");
CheckDisposed ();
NativeMethods.cairo_font_options_merge (handle, other.Handle);
}
public Antialias Antialias {
get {
CheckDisposed ();
return NativeMethods.cairo_font_options_get_antialias (handle);
}
set {
CheckDisposed ();
NativeMethods.cairo_font_options_set_antialias (handle, value);
}
}
public HintMetrics HintMetrics {
get {
CheckDisposed ();
return NativeMethods.cairo_font_options_get_hint_metrics (handle);
}
set {
CheckDisposed ();
NativeMethods.cairo_font_options_set_hint_metrics (handle, value);
}
}
public HintStyle HintStyle {
get {
CheckDisposed ();
return NativeMethods.cairo_font_options_get_hint_style (handle);
}
set {
CheckDisposed ();
NativeMethods.cairo_font_options_set_hint_style (handle, value);
}
}
public Status Status {
get {
CheckDisposed ();
return NativeMethods.cairo_font_options_status (handle);
}
}
public SubpixelOrder SubpixelOrder {
get {
CheckDisposed ();
return NativeMethods.cairo_font_options_get_subpixel_order (handle);
}
set {
CheckDisposed ();
NativeMethods.cairo_font_options_set_subpixel_order (handle, value);
}
}
}
}