GtkSharp/Source/Libs/GdkSharp/PixbufLoader.cs
zii-dmg e48e6e0380
Fix loading of resources if jit inlines method ()
Added no inlining attribute for methods with Assembly.GetCallingAssembly() so caller assembly is correct if jit want to inline.
See https://github.com/picoe/Eto/pull/2049.
2022-01-27 21:49:41 +01:00

155 lines
4.2 KiB
C#

// PixbufLoader.cs - Gdk PixbufLoader class customizations
//
// Authors:
// Mike Kestner <mkestner@ximian.com>
//
// Copyright (c) 2003 Novell, Inc.
//
// This code is inserted after the automatically generated code.
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
namespace Gdk {
using System;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
public partial class PixbufLoader {
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
delegate IntPtr d_g_object_ref(IntPtr handle);
static d_g_object_ref g_object_ref = FuncLoader.LoadFunction<d_g_object_ref>(FuncLoader.GetProcAddress(GLibrary.Load(Library.GObject), "g_object_ref"));
internal IntPtr PixbufHandle {
get {
return g_object_ref (gdk_pixbuf_loader_get_pixbuf (Handle));
}
}
internal IntPtr AnimationHandle {
get {
return g_object_ref (gdk_pixbuf_loader_get_animation (Handle));
}
}
public bool Write (byte[] bytes)
{
return this.Write (bytes, (ulong) bytes.Length);
}
[Obsolete ("Replaced by Write (byte[], ulong) for 64 bit portability")]
public bool Write (byte[] bytes, uint count)
{
return this.Write (bytes, (ulong) count);
}
private void LoadFromStream (System.IO.Stream input)
{
byte [] buffer = new byte [8192];
int n;
while ((n = input.Read (buffer, 0, 8192)) != 0)
Write (buffer, (uint) n);
}
public PixbufLoader (string file, int width, int height) : this ()
{
SetSize(width, height);
using(System.IO.FileStream stream = new System.IO.FileStream(file, System.IO.FileMode.Open, System.IO.FileAccess.Read))
{
InitFromStream(stream);
}
}
public PixbufLoader (System.IO.Stream stream) : this ()
{
InitFromStream(stream);
}
private void InitFromStream (System.IO.Stream stream)
{
if (stream == null)
throw new ArgumentNullException ("stream");
try {
LoadFromStream (stream);
} finally {
Close ();
}
}
public PixbufLoader (System.IO.Stream stream, int width, int height) : this()
{
SetSize(width, height);
InitFromStream(stream);
}
[MethodImpl(MethodImplOptions.NoInlining)]
public PixbufLoader (System.Reflection.Assembly assembly, string resource) : this ()
{
InitFromAssemblyResource(assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource);
}
private void InitFromAssemblyResource(System.Reflection.Assembly assembly, string resource)
{
if (assembly == null)
throw new ArgumentNullException ("assembly");
System.IO.Stream s = assembly.GetManifestResourceStream (resource);
if (s == null)
throw new ArgumentException ("'" + resource + "' is not a valid resource name of assembly '" + assembly + "'.");
try {
LoadFromStream (s);
} finally {
Close ();
}
}
[MethodImpl(MethodImplOptions.NoInlining)]
public PixbufLoader (System.Reflection.Assembly assembly, string resource, int width, int height) : this ()
{
SetSize(width, height);
InitFromAssemblyResource(assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource);
}
public PixbufLoader (byte[] buffer) : this()
{
InitFromBuffer(buffer);
}
private void InitFromBuffer (byte[] buffer)
{
try {
Write (buffer, (uint)buffer.Length);
} finally {
Close ();
}
}
public PixbufLoader (byte[] buffer, int width, int height) : this()
{
SetSize(width, height);
InitFromBuffer(buffer);
}
[MethodImpl(MethodImplOptions.NoInlining)]
static public PixbufLoader LoadFromResource (string resource)
{
return new PixbufLoader (System.Reflection.Assembly.GetCallingAssembly (), resource);
}
}
}