mirror of
https://github.com/Ryujinx/GtkSharp.git
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335 lines
13 KiB
C#
Executable File
335 lines
13 KiB
C#
Executable File
// Pixbuf.cs - Gdk Pixbuf class customizations
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//
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// Authors:
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// Vladimir Vukicevic <vladimir@pobox.com>
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// Miguel de Icaza <miguel@ximian.com>
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// Mike Kestner <mkestner@ximian.com>
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// Duncan Mak <duncan@ximian.com>
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// Gonzalo Paniagua Javier <gonzalo@ximian.com>
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// Martin Willemoes Hansen <mwh@sysrq.dk>
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// Jose Faria <spigaz@gmail.com>
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//
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// Copyright (c) 2002 Vladimir Vukicevic
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// Copyright (c) 2003 Ximian, Inc. (Miguel de Icaza)
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// Copyright (c) 2003 Ximian, Inc. (Duncan Mak)
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// Copyright (c) 2003 Ximian, Inc. (Gonzalo Paniagua Javier)
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// Copyright (c) 2003 Martin Willemoes Hansen
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// Copyright (c) 2004-2005 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 Pixbuf {
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public Pixbuf (System.IO.Stream stream) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (stream)) {
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Raw = pl.PixbufHandle;
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}
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}
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public Pixbuf (System.IO.Stream stream, int width, int height) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (stream, width, height)) {
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Raw = pl.PixbufHandle;
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}
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}
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public Pixbuf (System.Reflection.Assembly assembly, string resource) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource)) {
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Raw = pl.PixbufHandle;
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}
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}
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public Pixbuf (System.Reflection.Assembly assembly, string resource, int width, int height) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource, width, height)) {
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Raw = pl.PixbufHandle;
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}
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}
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public Pixbuf (byte[] buffer) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (buffer)) {
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Raw = pl.PixbufHandle;
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}
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}
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public Pixbuf (byte[] buffer, int width, int height) : base (IntPtr.Zero)
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{
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using (PixbufLoader pl = new PixbufLoader (buffer, width, height)) {
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Raw = pl.PixbufHandle;
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}
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}
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static public Pixbuf LoadFromResource (string resource)
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{
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return new Pixbuf (System.Reflection.Assembly.GetCallingAssembly (), resource);
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_scale_simple(IntPtr raw, int dest_width, int dest_height, int interp_type);
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public Gdk.Pixbuf ScaleSimple(int dest_width, int dest_height, Gdk.InterpType interp_type) {
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IntPtr raw_ret = gdk_pixbuf_scale_simple(Handle, dest_width, dest_height, (int) interp_type);
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Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
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return ret;
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_composite_color_simple(IntPtr raw, int dest_width, int dest_height, int interp_type, int overall_alpha, int check_size, uint color1, uint color2);
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public Gdk.Pixbuf CompositeColorSimple(int dest_width, int dest_height, Gdk.InterpType interp_type, int overall_alpha, int check_size, uint color1, uint color2) {
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IntPtr raw_ret = gdk_pixbuf_composite_color_simple(Handle, dest_width, dest_height, (int) interp_type, overall_alpha, check_size, color1, color2);
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Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
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return ret;
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_add_alpha(IntPtr raw, bool substitute_color, byte r, byte g, byte b);
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public Gdk.Pixbuf AddAlpha(bool substitute_color, byte r, byte g, byte b) {
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IntPtr raw_ret = gdk_pixbuf_add_alpha(Handle, substitute_color, r, g, b);
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Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
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return ret;
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}
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class DestroyHelper {
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GCHandle gch;
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GCHandle data_handle;
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PixbufDestroyNotify notify;
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public DestroyHelper (byte[] data, PixbufDestroyNotify notify)
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{
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gch = GCHandle.Alloc (this);
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data_handle = GCHandle.Alloc (data, GCHandleType.Pinned);
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this.notify = notify;
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}
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[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
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public delegate void NativeDelegate (IntPtr buf, IntPtr data);
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void ReleaseHandles (IntPtr buf, IntPtr data)
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{
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if (notify != null)
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notify ((byte[])data_handle.Target);
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data_handle.Free ();
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gch.Free ();
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}
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NativeDelegate handler;
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public NativeDelegate Handler {
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get {
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handler = new NativeDelegate (ReleaseHandles);
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return handler;
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}
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}
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_new_from_data(byte[] data, int colorspace, bool has_alpha, int bits_per_sample, int width, int height, int rowstride, DestroyHelper.NativeDelegate destroy_fn, IntPtr destroy_fn_data);
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public Pixbuf (byte[] data, Gdk.Colorspace colorspace, bool has_alpha, int bits_per_sample, int width, int height, int rowstride, Gdk.PixbufDestroyNotify destroy_fn) : base (IntPtr.Zero)
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{
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if (GetType () != typeof (Pixbuf)) {
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throw new InvalidOperationException ("Can't override this constructor.");
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}
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DestroyHelper helper = new DestroyHelper (data, destroy_fn);
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Raw = gdk_pixbuf_new_from_data(data, (int) colorspace, has_alpha, bits_per_sample, width, height, rowstride, helper.Handler, IntPtr.Zero);
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}
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// overload to default the colorspace
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public Pixbuf(byte [] data, bool has_alpha, int bits_per_sample, int width, int height, int rowstride, Gdk.PixbufDestroyNotify destroy_fn) : this (data, Gdk.Colorspace.Rgb, has_alpha, bits_per_sample, width, height, rowstride, destroy_fn) {}
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public Pixbuf(byte [] data, bool has_alpha, int bits_per_sample, int width, int height, int rowstride) : this (data, Gdk.Colorspace.Rgb, has_alpha, bits_per_sample, width, height, rowstride, null) {}
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public Pixbuf(byte [] data, Gdk.Colorspace colorspace, bool has_alpha, int bits_per_sample, int width, int height, int rowstride) : this (data, colorspace, has_alpha, bits_per_sample, width, height, rowstride, null) {}
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/* gdk_pixbuf_new_from_inline has been deprecated since version 2.32 and should not be used in newly-written code. Use GResource instead */
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/*
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public unsafe Pixbuf(byte[] data, bool copy_pixels) : base (IntPtr.Zero)
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{
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IntPtr error = IntPtr.Zero;
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Raw = gdk_pixbuf_new_from_inline(data.Length, (IntPtr) data, copy_pixels, out error);
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if (error != IntPtr.Zero) throw new GLib.GException (error);
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}
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*/
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern unsafe IntPtr gdk_pixbuf_new_from_inline(int len, IntPtr data, bool copy_pixels, out IntPtr error);
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public unsafe Pixbuf(int data_length, void *data, bool copy_pixels) : base (IntPtr.Zero)
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{
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IntPtr error = IntPtr.Zero;
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Raw = gdk_pixbuf_new_from_inline(data_length, (IntPtr) data, copy_pixels, out error);
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if (error != IntPtr.Zero) throw new GLib.GException (error);
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}
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//
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// ICloneable interface
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//
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public object Clone ()
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{
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return Copy ();
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}
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//
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// the 'Pixels' property
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//
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_get_pixels(IntPtr raw);
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public IntPtr Pixels {
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get {
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IntPtr ret = gdk_pixbuf_get_pixels (Handle);
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return ret;
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}
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern IntPtr gdk_pixbuf_get_formats();
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public static PixbufFormat[] Formats {
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get {
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IntPtr list_ptr = gdk_pixbuf_get_formats ();
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if (list_ptr == IntPtr.Zero)
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return new PixbufFormat [0];
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GLib.SList list = new GLib.SList (list_ptr, typeof (PixbufFormat));
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PixbufFormat[] result = new PixbufFormat [list.Count];
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for (int i = 0; i < list.Count; i++)
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result [i] = (PixbufFormat) list [i];
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return result;
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}
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern unsafe bool gdk_pixbuf_save(IntPtr raw, IntPtr filename, IntPtr type, out IntPtr error, IntPtr dummy);
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public unsafe bool Save(string filename, string type) {
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IntPtr error = IntPtr.Zero;
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IntPtr nfilename = GLib.Marshaller.StringToPtrGStrdup (filename);
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IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
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bool ret = gdk_pixbuf_save(Handle, nfilename, ntype, out error, IntPtr.Zero);
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GLib.Marshaller.Free (nfilename);
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GLib.Marshaller.Free (ntype);
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if (error != IntPtr.Zero) throw new GLib.GException (error);
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return ret;
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern unsafe bool gdk_pixbuf_save_to_bufferv (IntPtr raw, out IntPtr buffer, out IntPtr buffer_size, IntPtr type, IntPtr[] option_keys, IntPtr[] option_values, out IntPtr error);
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IntPtr[] NullTerm (string[] src)
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{
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if (src.Length == 0)
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return null;
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IntPtr[] result = new IntPtr [src.Length + 1];
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for (int i = 0; i < src.Length; i++)
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result [i] = GLib.Marshaller.StringToPtrGStrdup (src [i]);
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result [src.Length] = IntPtr.Zero;
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return result;
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}
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void ReleaseArray (IntPtr[] ptrs)
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{
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if (ptrs == null)
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return;
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foreach (IntPtr p in ptrs)
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GLib.Marshaller.Free (p);
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}
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public unsafe byte[] SaveToBuffer (string type)
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{
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return SaveToBuffer (type, new string [0], new string [0]);
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}
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public unsafe byte[] SaveToBuffer (string type, string[] option_keys, string[] option_values)
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{
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IntPtr error = IntPtr.Zero;
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IntPtr buffer;
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IntPtr buffer_size;
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IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
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IntPtr[] nkeys = NullTerm (option_keys);
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IntPtr[] nvals = NullTerm (option_values);
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bool saved = gdk_pixbuf_save_to_bufferv (Handle, out buffer, out buffer_size, ntype, nkeys, nvals, out error);
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GLib.Marshaller.Free (ntype);
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ReleaseArray (nkeys);
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ReleaseArray (nvals);
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if (!saved)
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throw new GLib.GException (error);
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byte[] result = new byte [(int)buffer_size];
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Marshal.Copy (buffer, result, 0, (int) buffer_size);
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GLib.Marshaller.Free (buffer);
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return result;
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}
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[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern unsafe bool gdk_pixbuf_save_to_callbackv (IntPtr raw, GdkSharp.PixbufSaveFuncNative save_func, IntPtr user_data, IntPtr type, IntPtr[] option_keys, IntPtr[] option_values, out IntPtr error);
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public unsafe void SaveToCallback (PixbufSaveFunc save_func, string type)
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{
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SaveToCallback (save_func, type, new string [0], new string [0]);
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}
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public unsafe void SaveToCallback (PixbufSaveFunc save_func, string type, string[] option_keys, string[] option_values)
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{
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GdkSharp.PixbufSaveFuncWrapper save_func_wrapper = new GdkSharp.PixbufSaveFuncWrapper (save_func);
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IntPtr error = IntPtr.Zero;
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IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
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IntPtr[] nkeys = NullTerm (option_keys);
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IntPtr[] nvals = NullTerm (option_values);
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bool saved = gdk_pixbuf_save_to_callbackv (Handle, save_func_wrapper.NativeDelegate, IntPtr.Zero, ntype, nkeys, nvals, out error);
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GLib.Marshaller.Free (ntype);
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ReleaseArray (nkeys);
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ReleaseArray (nvals);
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if (!saved)
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throw new GLib.GException (error);
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}
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[DllImport("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
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static extern unsafe bool gdk_pixbuf_savev(IntPtr raw, IntPtr filename, IntPtr type, IntPtr[] option_keys, IntPtr[] option_values, out IntPtr error);
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public unsafe bool Savev(string filename, string type, string[] option_keys, string[] option_values) {
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IntPtr error = IntPtr.Zero;
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IntPtr native_filename = GLib.Marshaller.StringToPtrGStrdup (filename);
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IntPtr native_type = GLib.Marshaller.StringToPtrGStrdup (type);
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IntPtr[] native_option_keys = NullTerm (option_keys);
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IntPtr[] native_option_values = NullTerm (option_values);
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bool saved = gdk_pixbuf_savev(Handle, native_filename, native_type, native_option_keys, native_option_values, out error);
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GLib.Marshaller.Free (native_filename);
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GLib.Marshaller.Free (native_type);
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ReleaseArray (native_option_keys);
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ReleaseArray (native_option_values);
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if (!saved)
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throw new GLib.GException (error);
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return saved;
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}
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}
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}
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