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