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2003-02-19 Miguel de Icaza <miguel@ximian.com>

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* gdk/Pixbuf.custom: Add overload arguments that take a
	System.Drawing.Color.

	Added a Clone() method, to implement the ICloneable interface.

	Added constructors for inlined in-data RGB/RGBA buffers and file
	images.

svn path=/trunk/gtk-sharp/; revision=11713
This commit is contained in:
Miguel de Icaza 2003-02-19 06:00:27 +00:00
parent c0ea775140
commit 3d36c6eda0
1 changed files with 83 additions and 0 deletions
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83
gdk/Pixbuf.custom
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@ -1,3 +1,8 @@
//
// Extensions to Pixbuf
//
//
IntPtr LoadFromStream (System.IO.Stream input)
{
PixbufLoader loader = new PixbufLoader ();
@ -62,3 +67,81 @@
ret.Unref ();
return ret;
}
//
// These are temporary bug fixes: there are a number of entry points that
// are currently miss-generated.
//
[DllImport("gdk_pixbuf-2.0")]
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);
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("gdk_pixbuf-2.0")]
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("gdk_pixbuf-2.0")]
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
//
/// <summary> GetFromDrawable Method </summary>
/// <remarks> To be completed </remarks>
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 ());
}