955cdcf123
* cairo/Surface.cs: expose LookupSurface * cairo/cairo-api.xml: add surface mapping * gdk/*: updates and hobbling to get gdk building. lots of work to come.
305 lines
12 KiB
Text
305 lines
12 KiB
Text
// Pixbuf.custom - Gdk Pixbuf class customizations
|
|
//
|
|
// Authors:
|
|
// Vladimir Vukicevic <vladimir@pobox.com>
|
|
// Miguel de Icaza <miguel@ximian.com>
|
|
// Mike Kestner <mkestner@ximian.com>
|
|
// Duncan Mak <duncan@ximian.com>
|
|
// Gonzalo Paniagua Javier <gonzalo@ximian.com>
|
|
// Martin Willemoes Hansen <mwh@sysrq.dk>
|
|
// Jose Faria <spigaz@gmail.com>
|
|
//
|
|
// Copyright (c) 2002 Vladimir Vukicevic
|
|
// Copyright (c) 2003 Ximian, Inc. (Miguel de Icaza)
|
|
// Copyright (c) 2003 Ximian, Inc. (Duncan Mak)
|
|
// Copyright (c) 2003 Ximian, Inc. (Gonzalo Paniagua Javier)
|
|
// Copyright (c) 2003 Martin Willemoes Hansen
|
|
// Copyright (c) 2004-2005 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.
|
|
|
|
public Pixbuf (System.IO.Stream stream) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (stream)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
public Pixbuf (System.IO.Stream stream, int width, int height) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (stream, width, height)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
public Pixbuf (System.Reflection.Assembly assembly, string resource) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
public Pixbuf (System.Reflection.Assembly assembly, string resource, int width, int height) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (assembly == null ? System.Reflection.Assembly.GetCallingAssembly () : assembly, resource, width, height)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
public Pixbuf (byte[] buffer) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (buffer)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
public Pixbuf (byte[] buffer, int width, int height) : base (IntPtr.Zero)
|
|
{
|
|
using (PixbufLoader pl = new PixbufLoader (buffer, width, height)) {
|
|
Raw = pl.PixbufHandle;
|
|
}
|
|
}
|
|
|
|
static public Pixbuf LoadFromResource (string resource)
|
|
{
|
|
return new Pixbuf (System.Reflection.Assembly.GetCallingAssembly (), resource);
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern IntPtr gdk_pixbuf_scale_simple(IntPtr raw, int dest_width, int dest_height, int interp_type);
|
|
|
|
public Gdk.Pixbuf ScaleSimple(int dest_width, int dest_height, Gdk.InterpType interp_type) {
|
|
IntPtr raw_ret = gdk_pixbuf_scale_simple(Handle, dest_width, dest_height, (int) interp_type);
|
|
Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
|
|
return ret;
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
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);
|
|
|
|
public Gdk.Pixbuf CompositeColorSimple(int dest_width, int dest_height, Gdk.InterpType interp_type, int overall_alpha, int check_size, uint color1, uint color2) {
|
|
IntPtr raw_ret = gdk_pixbuf_composite_color_simple(Handle, dest_width, dest_height, (int) interp_type, overall_alpha, check_size, color1, color2);
|
|
Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
|
|
return ret;
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern IntPtr gdk_pixbuf_add_alpha(IntPtr raw, bool substitute_color, byte r, byte g, byte b);
|
|
|
|
public Gdk.Pixbuf AddAlpha(bool substitute_color, byte r, byte g, byte b) {
|
|
IntPtr raw_ret = gdk_pixbuf_add_alpha(Handle, substitute_color, r, g, b);
|
|
Gdk.Pixbuf ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret, true);
|
|
return ret;
|
|
}
|
|
|
|
class DestroyHelper {
|
|
|
|
GCHandle gch;
|
|
GCHandle data_handle;
|
|
PixbufDestroyNotify notify;
|
|
|
|
public DestroyHelper (byte[] data, PixbufDestroyNotify notify)
|
|
{
|
|
gch = GCHandle.Alloc (this);
|
|
data_handle = GCHandle.Alloc (data, GCHandleType.Pinned);
|
|
this.notify = notify;
|
|
}
|
|
|
|
[UnmanagedFunctionPointer (CallingConvention.Cdecl)]
|
|
public delegate void NativeDelegate (IntPtr buf, IntPtr data);
|
|
|
|
void ReleaseHandles (IntPtr buf, IntPtr data)
|
|
{
|
|
if (notify != null)
|
|
notify ((byte[])data_handle.Target);
|
|
data_handle.Free ();
|
|
gch.Free ();
|
|
}
|
|
|
|
NativeDelegate handler;
|
|
public NativeDelegate Handler {
|
|
get {
|
|
handler = new NativeDelegate (ReleaseHandles);
|
|
return handler;
|
|
}
|
|
}
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
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);
|
|
|
|
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)
|
|
{
|
|
if (GetType () != typeof (Pixbuf)) {
|
|
throw new InvalidOperationException ("Can't override this constructor.");
|
|
}
|
|
DestroyHelper helper = new DestroyHelper (data, destroy_fn);
|
|
Raw = gdk_pixbuf_new_from_data(data, (int) colorspace, has_alpha, bits_per_sample, width, height, rowstride, helper.Handler, IntPtr.Zero);
|
|
}
|
|
|
|
// overload to default the colorspace
|
|
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) {}
|
|
|
|
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) {}
|
|
|
|
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) {}
|
|
|
|
public unsafe Pixbuf(byte[] data, bool copy_pixels) : base (IntPtr.Zero)
|
|
{
|
|
IntPtr error = IntPtr.Zero;
|
|
Raw = gdk_pixbuf_new_from_inline(data.Length, data, copy_pixels, out error);
|
|
if (error != IntPtr.Zero) throw new GLib.GException (error);
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern unsafe IntPtr gdk_pixbuf_new_from_inline(int len, IntPtr data, bool copy_pixels, out IntPtr error);
|
|
|
|
public unsafe Pixbuf(int data_length, void *data, bool copy_pixels) : base (IntPtr.Zero)
|
|
{
|
|
IntPtr error = IntPtr.Zero;
|
|
Raw = gdk_pixbuf_new_from_inline(data_length, (IntPtr) data, copy_pixels, out error);
|
|
if (error != IntPtr.Zero) throw new GLib.GException (error);
|
|
}
|
|
|
|
//
|
|
// ICloneable interface
|
|
//
|
|
|
|
public object Clone ()
|
|
{
|
|
return Copy ();
|
|
}
|
|
|
|
|
|
//
|
|
// the 'Pixels' property
|
|
//
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern IntPtr gdk_pixbuf_get_pixels(IntPtr raw);
|
|
|
|
public IntPtr Pixels {
|
|
get {
|
|
IntPtr ret = gdk_pixbuf_get_pixels (Handle);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern IntPtr gdk_pixbuf_get_formats();
|
|
|
|
public static PixbufFormat[] Formats {
|
|
get {
|
|
IntPtr list_ptr = gdk_pixbuf_get_formats ();
|
|
if (list_ptr == IntPtr.Zero)
|
|
return new PixbufFormat [0];
|
|
GLib.SList list = new GLib.SList (list_ptr, typeof (PixbufFormat));
|
|
PixbufFormat[] result = new PixbufFormat [list.Count];
|
|
for (int i = 0; i < list.Count; i++)
|
|
result [i] = (PixbufFormat) list [i];
|
|
return result;
|
|
}
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern unsafe bool gdk_pixbuf_save(IntPtr raw, IntPtr filename, IntPtr type, out IntPtr error, IntPtr dummy);
|
|
|
|
public unsafe bool Save(string filename, string type) {
|
|
IntPtr error = IntPtr.Zero;
|
|
IntPtr nfilename = GLib.Marshaller.StringToPtrGStrdup (filename);
|
|
IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
|
|
bool ret = gdk_pixbuf_save(Handle, nfilename, ntype, out error, IntPtr.Zero);
|
|
GLib.Marshaller.Free (nfilename);
|
|
GLib.Marshaller.Free (ntype);
|
|
if (error != IntPtr.Zero) throw new GLib.GException (error);
|
|
return ret;
|
|
}
|
|
|
|
[DllImport ("libglib-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
static extern void g_free (IntPtr raw);
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
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);
|
|
|
|
IntPtr[] NullTerm (string[] src)
|
|
{
|
|
if (src.Length == 0)
|
|
return null;
|
|
IntPtr[] result = new IntPtr [src.Length + 1];
|
|
for (int i = 0; i < src.Length; i++)
|
|
result [i] = GLib.Marshaller.StringToPtrGStrdup (src [i]);
|
|
result [src.Length] = IntPtr.Zero;
|
|
return result;
|
|
}
|
|
|
|
void ReleaseArray (IntPtr[] ptrs)
|
|
{
|
|
if (ptrs == null)
|
|
return;
|
|
foreach (IntPtr p in ptrs)
|
|
GLib.Marshaller.Free (p);
|
|
}
|
|
|
|
public unsafe byte[] SaveToBuffer (string type)
|
|
{
|
|
return SaveToBuffer (type, new string [0], new string [0]);
|
|
}
|
|
|
|
public unsafe byte[] SaveToBuffer (string type, string[] option_keys, string[] option_values)
|
|
{
|
|
IntPtr error = IntPtr.Zero;
|
|
IntPtr buffer;
|
|
IntPtr buffer_size;
|
|
IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
|
|
IntPtr[] nkeys = NullTerm (option_keys);
|
|
IntPtr[] nvals = NullTerm (option_values);
|
|
bool saved = gdk_pixbuf_save_to_bufferv (Handle, out buffer, out buffer_size, ntype, nkeys, nvals, out error);
|
|
GLib.Marshaller.Free (ntype);
|
|
ReleaseArray (nkeys);
|
|
ReleaseArray (nvals);
|
|
|
|
if (!saved)
|
|
throw new GLib.GException (error);
|
|
byte[] result = new byte [(int)buffer_size];
|
|
Marshal.Copy (buffer, result, 0, (int) buffer_size);
|
|
g_free (buffer);
|
|
return result;
|
|
}
|
|
|
|
[DllImport ("libgdk_pixbuf-2.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
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);
|
|
|
|
public unsafe void SaveToCallback (PixbufSaveFunc save_func, string type)
|
|
{
|
|
SaveToCallback (save_func, type, new string [0], new string [0]);
|
|
}
|
|
|
|
public unsafe void SaveToCallback (PixbufSaveFunc save_func, string type, string[] option_keys, string[] option_values)
|
|
{
|
|
GdkSharp.PixbufSaveFuncWrapper save_func_wrapper = new GdkSharp.PixbufSaveFuncWrapper (save_func);
|
|
IntPtr error = IntPtr.Zero;
|
|
IntPtr ntype = GLib.Marshaller.StringToPtrGStrdup (type);
|
|
IntPtr[] nkeys = NullTerm (option_keys);
|
|
IntPtr[] nvals = NullTerm (option_values);
|
|
bool saved = gdk_pixbuf_save_to_callbackv (Handle, save_func_wrapper.NativeDelegate, IntPtr.Zero, ntype, nkeys, nvals, out error);
|
|
GLib.Marshaller.Free (ntype);
|
|
ReleaseArray (nkeys);
|
|
ReleaseArray (nvals);
|
|
|
|
if (!saved)
|
|
throw new GLib.GException (error);
|
|
}
|
|
|