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![Vladimir Vukicevic](/assets/img/avatar_default.png)
we need to ref this object once we have a pointer to it or not. By default this is set to true -- constructors and other functions where we do own the object need to set this to false before setting the "Raw" property. Also added Unref and RefCount methods. * glue/object.c, glue/type.c: some utility functions for refcounting support * gdk/Pixbuf.custom: manually wrap a few functions so that the refcount ends up being correct at the end (need an extra Unref) * api/gdk-api.xml, sources/Gdk.metadata: metadata updates for hiding manually-wrapped Pixbuf stuff svn path=/trunk/gtk-sharp/; revision=8913
65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
IntPtr LoadFromStream (System.IO.Stream input)
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{
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PixbufLoader loader = new PixbufLoader ();
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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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loader.Write (buffer, (uint) n);
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loader.Close ();
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return loader.Pixbuf.Handle;
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}
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public Pixbuf (System.IO.Stream input)
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{
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Raw = LoadFromStream (input);
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}
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public Pixbuf (System.Reflection.Assembly assembly, string resource)
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{
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if (assembly == null)
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assembly = System.Reflection.Assembly.GetCallingAssembly ();
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System.IO.Stream s;
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Pixbuf p = null;
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using (s = assembly.GetManifestResourceStream (resource))
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Raw = LoadFromStream (s);
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}
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// scale_simple, composite_color_simple, and addalpha do a gdk_pixbuf_new on the
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// return first, and we also ref it
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// in the GetObject. So get rid of one extra reference.
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[DllImport("gdk_pixbuf-2.0")]
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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);
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ret.Unref ();
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return ret;
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}
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[DllImport("gdk_pixbuf-2.0")]
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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);
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ret.Unref ();
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return ret;
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}
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[DllImport("gdk_pixbuf-2.0")]
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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);
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ret.Unref ();
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return ret;
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}
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