// Pixbuf.custom - Gdk Pixbuf class customizations // // Authors: // Vladimir Vukicevic // Miguel de Icaza // Duncan Mak // Gonzalo Paniagua Javier // Martin Willemoes Hansen // // (C) 2002 Vladimir Vukicevic // (C) 2003 Ximian, Inc. (Miguel de Icaza) // (C) 2003 Ximian, Inc. (Duncan Mak) // (C) 2003 Ximian, Inc. (Gonzalo Paniagua Javier) // (C) 2003 Martin Willemoes Hansen // // This code is inserted after the automatically generated code. static private Pixbuf 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 (); return loader.Pixbuf; } static public Pixbuf LoadResource (System.Reflection.Assembly assembly, string resource) { System.IO.Stream s = assembly.GetManifestResourceStream (resource); if (s == null) return null; else return LoadFromStream (s); } static public Pixbuf LoadResource (string resource) { return LoadResource (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; } // // These are temporary bug fixes: there are a number of entry points that // are currently miss-generated. // [DllImport("libgdk_pixbuf-2.0-0.dll")] 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, GdkSharp.PixbufDestroyNotifyNative destroy_fn, System.IntPtr destroy_fn_data); public Pixbuf(byte [] data, bool has_alpha, int bits_per_sample, int width, int height, int rowstride, Gdk.PixbufDestroyNotify destroy_fn) { 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); } [DllImport("libgdk_pixbuf-2.0-0.dll")] static extern unsafe IntPtr gdk_pixbuf_new_from_inline(int len, byte [] data, bool copy_pixels, out IntPtr error); public unsafe Pixbuf(byte[] data, bool copy_pixels) { 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) { 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); } // // Add an overload that takes System.Drawing.Color arguments instead of uint32 values for colors // public void CompositeColor(Gdk.Pixbuf dest, int dest_x, int dest_y, int dest_width, int dest_height, double offset_x, double offset_y, double scale_x, double scale_y, Gdk.InterpType interp_type, int overall_alpha, int check_x, int check_y, int check_size, System.Drawing.Color color1, System.Drawing.Color color2) { gdk_pixbuf_composite_color(Handle, dest.Handle, dest_x, dest_y, dest_width, dest_height, offset_x, offset_y, scale_x, scale_y, (int) interp_type, overall_alpha, check_x, check_y, check_size, (uint) color1.ToArgb (), (uint) color2.ToArgb ()); } public Gdk.Pixbuf CompositeColorSimple(int dest_width, int dest_height, Gdk.InterpType interp_type, int overall_alpha, int check_size, System.Drawing.Color color1, System.Drawing.Color color2) { return CompositeColorSimple (dest_width, dest_height, interp_type, overall_alpha, check_size, (uint) color1.ToArgb (), (uint) color2.ToArgb ()); } // // the 'Pixels' property // [DllImport("libgdk_pixbuf-2.0-0.dll")] static extern unsafe byte* gdk_pixbuf_get_pixels(IntPtr raw); public unsafe byte* Pixels { get { byte *ret = gdk_pixbuf_get_pixels (Handle); return ret; } }