GtkSharp/gdk/Pixbuf.custom

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// 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>
//
// 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 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.
[DllImport("libgdk-win32-2.0-0.dll")]
static extern IntPtr gdk_pixbuf_get_from_drawable(IntPtr raw, IntPtr src, IntPtr cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height);
public Gdk.Pixbuf GetFromDrawable(Gdk.Drawable src, Gdk.Colormap cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height) {
IntPtr raw_ret = gdk_pixbuf_get_from_drawable(Handle, src.Handle, cmap.Handle, src_x, src_y, dest_x, dest_y, width, height);
Gdk.Pixbuf ret;
if (raw_ret == IntPtr.Zero)
ret = null;
else
ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret);
return ret;
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern IntPtr gdk_pixbuf_get_from_image(IntPtr raw, IntPtr src, IntPtr cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height);
public Gdk.Pixbuf GetFromImage(Gdk.Image src, Gdk.Colormap cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height) {
IntPtr raw_ret = gdk_pixbuf_get_from_image(Handle, src.Handle, cmap.Handle, src_x, src_y, dest_x, dest_y, width, height);
Gdk.Pixbuf ret;
if (raw_ret == IntPtr.Zero)
ret = null;
else
ret = (Gdk.Pixbuf) GLib.Object.GetObject(raw_ret);
return ret;
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern void gdk_pixbuf_render_pixmap_and_mask(IntPtr raw, IntPtr pixmap_return, IntPtr mask_return, int alpha_threshold);
public void RenderPixmapAndMask(Gdk.Pixmap pixmap_return, Gdk.Pixmap mask_return, int alpha_threshold) {
gdk_pixbuf_render_pixmap_and_mask(Handle, pixmap_return.Handle, mask_return.Handle, alpha_threshold);
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern void gdk_pixbuf_render_pixmap_and_mask_for_colormap(IntPtr raw, IntPtr colormap, IntPtr pixmap_return, IntPtr mask_return, int alpha_threshold);
public void RenderPixmapAndMaskForColormap(Gdk.Colormap colormap, Gdk.Pixmap pixmap_return, Gdk.Pixmap mask_return, int alpha_threshold) {
gdk_pixbuf_render_pixmap_and_mask_for_colormap(Handle, colormap.Handle, pixmap_return.Handle, mask_return.Handle, alpha_threshold);
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern void gdk_pixbuf_render_threshold_alpha(IntPtr raw, IntPtr bitmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height, int alpha_threshold);
public void RenderThresholdAlpha(Gdk.Pixmap bitmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height, int alpha_threshold) {
gdk_pixbuf_render_threshold_alpha(Handle, bitmap.Handle, src_x, src_y, dest_x, dest_y, width, height, alpha_threshold);
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern void gdk_pixbuf_render_to_drawable(IntPtr raw, IntPtr drawable, IntPtr gc, int src_x, int src_y, int dest_x, int dest_y, int width, int height, int dither, int x_dither, int y_dither);
public void RenderToDrawable(Gdk.Drawable drawable, Gdk.GC gc, int src_x, int src_y, int dest_x, int dest_y, int width, int height, Gdk.RgbDither dither, int x_dither, int y_dither) {
gdk_pixbuf_render_to_drawable(Handle, drawable.Handle, gc.Handle, src_x, src_y, dest_x, dest_y, width, height, (int) dither, x_dither, y_dither);
}
[DllImport("libgdk-win32-2.0-0.dll")]
static extern void gdk_pixbuf_render_to_drawable_alpha(IntPtr raw, IntPtr drawable, int src_x, int src_y, int dest_x, int dest_y, int width, int height, int alpha_mode, int alpha_threshold, int dither, int x_dither, int y_dither);
public void RenderToDrawableAlpha(Gdk.Drawable drawable, int src_x, int src_y, int dest_x, int dest_y, int width, int height, Gdk.PixbufAlphaMode alpha_mode, int alpha_threshold, Gdk.RgbDither dither, int x_dither, int y_dither) {
gdk_pixbuf_render_to_drawable_alpha(Handle, drawable.Handle, src_x, src_y, dest_x, dest_y, width, height, (int) alpha_mode, alpha_threshold, (int) dither, x_dither, y_dither);
}
[DllImport("libgobject-2.0-0.dll")]
static extern void g_object_ref (IntPtr handle);
private void LoadFromStream (System.IO.Stream input)
{
PixbufLoader loader = new PixbufLoader ();
byte [] buffer = new byte [8192];
int n;
while ((n = input.Read (buffer, 0, 8192)) != 0)
loader.Write (buffer, (uint) n);
loader.Close ();
Raw = loader.PixbufHandle;
if (Raw == IntPtr.Zero)
throw new ArgumentException ("Unable to load pixbuf from stream");
g_object_ref (Raw);
}
public Pixbuf (System.IO.Stream stream) : base (IntPtr.Zero)
{
LoadFromStream (stream);
}
public Pixbuf (System.Reflection.Assembly assembly, string resource) : base (IntPtr.Zero)
{
if (assembly == null)
assembly = System.Reflection.Assembly.GetCallingAssembly ();
if (resource == null)
throw new ArgumentNullException ("resource");
System.IO.Stream s = assembly.GetManifestResourceStream (resource);
if (s == null)
throw new ArgumentException ("resource must be a valid resource name of 'assembly'.");
LoadFromStream (s);
}
static public Pixbuf LoadFromResource (string resource)
{
if (resource == null)
throw new ArgumentNullException ("resource");
return new Pixbuf (System.Reflection.Assembly.GetCallingAssembly (), resource);
}
[DllImport("libgdk_pixbuf-2.0-0.dll")]
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")]
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")]
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;
}
// 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) : base (IntPtr.Zero)
{
GdkSharp.PixbufDestroyNotifyWrapper destroy_fn_wrapper = null;
destroy_fn_wrapper = new GdkSharp.PixbufDestroyNotifyWrapper (destroy_fn, this);
Raw = gdk_pixbuf_new_from_data(data, (int) Gdk.Colorspace.Rgb, has_alpha, bits_per_sample, width, height, rowstride, destroy_fn_wrapper.NativeDelegate, IntPtr.Zero);
}
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")]
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 ();
}
//
// These are factory versions of a couple of existing methods, but simplify
// the process by reducing the number of steps required. Here a single
// operation will create the Pixbuf instead of two
//
public Gdk.Pixbuf CreateFromDrawable (Gdk.Drawable src, Gdk.Colormap cmap, int src_x, int src_y, int dest_x, int dest_y, int width, int height) {
IntPtr raw_ret = gdk_pixbuf_get_from_drawable((IntPtr) 0, src.Handle, cmap.Handle, src_x, src_y, dest_x, dest_y, width, height);
return new Pixbuf (raw_ret);
}
//
// the 'Pixels' property
//
[DllImport("libgdk_pixbuf-2.0-0.dll")]
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")]
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")]
static extern unsafe bool gdk_pixbuf_save(IntPtr raw, string filename, string type, out IntPtr error, IntPtr dummy);
public unsafe bool Save(string filename, string type) {
IntPtr error = IntPtr.Zero;
bool ret = gdk_pixbuf_save(Handle, filename, type, out error, IntPtr.Zero);
if (error != IntPtr.Zero) throw new GLib.GException (error);
return ret;
}