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// 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.InteropServices;
public partial class PixbufLoader {
[DllImport ("libgobject-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
static extern IntPtr g_object_ref (IntPtr handle);
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);
}
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 ();
}
}
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);
}
static public PixbufLoader LoadFromResource (string resource)
{
return new PixbufLoader (System.Reflection.Assembly.GetCallingAssembly (), resource);
}
}
}
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