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* gdk/PixbufLoader.custom: Implement System.IO.Stream and

Browse source 
resource-file constructors (using code formerly in Pixbuf.custom)

	* gdk/Pixbuf.custom: Redo the stream and resource ctors in terms
	of the PixbufLoader ones.

	* gdk/PixbufAnimation.custom: Add stream and resource ctors

	* gtk/Image.custom: Add stream and resource ctors

svn path=/trunk/gtk-sharp/; revision=42463
This commit is contained in:
Dan Winship 2005-04-01 14:54:12 +00:00
parent e3a26238b6
commit 475b44e7ba
11 changed files with 353 additions and 49 deletions
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12
ChangeLog
View file

@ -1,3 +1,15 @@
2005-03-31 Dan Winship <danw@novell.com>
* gdk/PixbufLoader.custom: Implement System.IO.Stream and
resource-file constructors (using code formerly in Pixbuf.custom)
* gdk/Pixbuf.custom: Redo the stream and resource ctors in terms
of the PixbufLoader ones.
* gdk/PixbufAnimation.custom: Add stream and resource ctors
* gtk/Image.custom: Add stream and resource ctors
2005-03-31 Mike Kestner <mkestner@novell.com> 2005-03-31 Mike Kestner <mkestner@novell.com>
* glib/ManagedValue.cs : add null/NULL guarding to Copy, Free, * glib/ManagedValue.cs : add null/NULL guarding to Copy, Free,

7
doc/ChangeLog
View file

@ -1,3 +1,10 @@
2005-04-01 Dan Winship <danw@novell.com>
* en/Gdk/Pixbuf.xml:
* en/Gdk/PixbufAnimation.xml:
* en/Gdk/PixbufLoader.xml:
* en/Gtk/Image.xml: document new/updated stream/resource constructors
2005-03-15 Dan Winship <danw@novell.com> 2005-03-15 Dan Winship <danw@novell.com>
* en/Gtk/NodeStore.xml (AddNode): * en/Gtk/NodeStore.xml (AddNode):

10
doc/en/Gdk/Pixbuf.xml
View file

@ -1215,10 +1215,14 @@ mcs -resource:image.jpg sample.cs
<Parameter Name="resource" Type="System.String" /> <Parameter Name="resource" Type="System.String" />
</Parameters> </Parameters>
<Docs> <Docs>
<summary>Loads a pixbuf from a resource string.</summary> <summary>Loads a pixbuf from a resource file.</summary>
<param name="resource">a <see cref="T:System.String" /></param> <param name="resource">the name of the resource</param>
<returns>a <see cref="T:Gdk.Pixbuf" /></returns> <returns>a <see cref="T:Gdk.Pixbuf" /></returns>
<remarks>TODO: Clarify.</remarks> <remarks>
This loads a pixbuf from a resource in the calling assembly. This is equivalent to
using the <see cref="C:Gdk.Pixbuf(System.Reflection.Assembly, System.String)" />
constructor with a <see langword="null" /> assembly.
</remarks>
</Docs> </Docs>
</Member> </Member>
<Member MemberName=".ctor"> <Member MemberName=".ctor">

85
doc/en/Gdk/PixbufAnimation.xml
View file

@ -245,5 +245,90 @@
<remarks>To be added</remarks> <remarks>To be added</remarks>
</Docs> </Docs>
</Member> </Member>
<Member MemberName="LoadFromResource">
<MemberSignature Language="C#" Value="public static Gdk.PixbufAnimation LoadFromResource (string resource);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>Gdk.PixbufAnimation</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Loads a pixbuf from a resource file.</summary>
<param name="resource">the name of the resource</param>
<returns>a <see cref="T:Gdk.PixbufAnimation" /></returns>
<remarks>
This loads an animation from a resource in the calling assembly. This is equivalent to
using the <see cref="C:Gdk.PixbufAnimation(System.Reflection.Assembly, System.String)" />
constructor with a <see langword="null" /> assembly.
</remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public PixbufAnimation (System.IO.Stream stream);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="stream" Type="System.IO.Stream" />
</Parameters>
<Docs>
<summary>Makes a new animation object from a <see cref="T:System.IO.Stream" />.</summary>
<param name="stream">a <see cref="T:System.IO.Stream" /></param>
<returns>a <see cref="T:Gdk.PixbufAnimation" /></returns>
<remarks>Useful for creating an animation from an image file that resides in memory.
<example>
<code lang="C#">
/* buffer containing an image */
System.Byte[] buffer = new System.Byte[256];
/* create a memory stream to the buffer */
System.IO.MemoryStream memorystream = new System.IO.MemoryStream(buffer);
/* create an animation from the stream as if it was a file */
Gdk.PixbufAnimation pba = new Gdk.PixbufAnimation(memorystream);
</code>
</example></remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public PixbufAnimation (System.Reflection.Assembly assembly, string resource);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="assembly" Type="System.Reflection.Assembly" />
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Constructor for images embedded in an assembly</summary>
<param name="assembly">The <see cref="T:System.Reflection.Assembly" /> that contains the image.
<para>
If the value is <see langword="null" />, the image will be looked up on the calling assembly.</para></param>
<param name="resource">The name given as the resource in the assembly</param>
<returns>The <see cref="T:Gdk.PixbufAnimation" /> created from the resource stream</returns>
<remarks>
<para>
This method is used to construct a <see cref="T:Gdk.PixbufAnimation" /> from an embedded resource in an assembly.
</para>
<para>
Typically this is used when application developers want to distribute images in a single executable.
</para>
If the assembly parameter is <see langword="null" />, the image will be looked up on the calling assembly.
<para>
For example:
</para><example>
<code lang="C#">
Gdk.PixbufAnimation p = new PixbufAnimation (null, "anim.gif");
</code>
</example><para>Compile with:</para><example>
<code lang="Compilation">
mcs -resource:anim.gif sample.cs
</code>
</example></remarks>
</Docs>
</Member>
</Members> </Members>
</Type> </Type>

55
doc/en/Gdk/PixbufLoader.xml
View file

@ -450,5 +450,58 @@ namespace GtkDemo
<remarks>To be added</remarks> <remarks>To be added</remarks>
</Docs> </Docs>
</Member> </Member>
<Member MemberName="LoadFromResource">
<MemberSignature Language="C#" Value="public static Gdk.PixbufLoader LoadFromResource (string resource);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>Gdk.PixbufLoader</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Loads a pixbuf from a resource file.</summary>
<param name="resource">the name of the resource</param>
<returns>a <see cref="T:Gdk.PixbufLoader" /></returns>
<remarks>
This creates a pixbuf loader to load from a resource in the calling assembly.
This is equivalent to using the
<see cref="C:Gdk.PixbufLoader(System.Reflection.Assembly, System.String)" />
constructor with a <see langword="null" /> assembly.
</remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public PixbufLoader (System.IO.Stream stream);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="stream" Type="System.IO.Stream" />
</Parameters>
<Docs>
<summary>Loads a Pixbuf from a <see cref="T:System.IO.Stream" />.</summary>
<param name="stream">a <see cref="T:System.IO.Stream" /></param>
<returns>a <see cref="T:Gdk.PixbufLoader" /></returns>
<remarks>See also <see cref="C:Gdk.Pixbuf(System.IO.Stream)" /></remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public PixbufLoader (System.Reflection.Assembly assembly, string resource);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="assembly" Type="System.Reflection.Assembly" />
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Loads a Pixbuf embedded in an assembly</summary>
<param name="assembly">The <see cref="T:System.Reflection.Assembly" /> that contains the image.
<para>
If the value is <see langword="null" />, the image will be looked up on the calling assembly.</para></param>
<param name="resource">The name given as the resource in the assembly</param>
<returns>a <see cref="T:Gdk.PixbufLoader" /> for the resource stream</returns>
<remarks>See also <see cref="C:Gdk.Pixbuf(System.Reflection.Assembly,System.String)" /></remarks>
</Docs>
</Member>
</Members> </Members>
</Type> </Type>

79
doc/en/Gtk/Image.xml
View file

@ -445,7 +445,7 @@ masked by the given <see cref="Gdk.Pixmap" />.</summary>
</ReturnValue> </ReturnValue>
<Docs> <Docs>
<summary>The type of representation being used by the <summary>The type of representation being used by the
<see cref="T:Gtk.Image"/> <see cref="T:Gtk.Image" />
to store image data. If the Image has no image data, to store image data. If the Image has no image data,
the return value will be <see cref="P:Gtk.ImageType.Empty" />. the return value will be <see cref="P:Gtk.ImageType.Empty" />.
</summary> </summary>
@ -580,10 +580,11 @@ masked by the given <see cref="Gdk.Pixmap" />.</summary>
<Parameter Name="mask" Type="Gdk.Pixmap" /> <Parameter Name="mask" Type="Gdk.Pixmap" />
</Parameters> </Parameters>
<Docs> <Docs>
<summary>Same functionality as <see cref="M:Gtk.Image.SetFromImage"/>.</summary> <summary>Same functionality as <see cref="M:Gtk.Image.SetFromImage" />.</summary>
<param name="val">a <see cref="T:Gdk.Image" /></param> <param name="val">a <see cref="T:Gdk.Image" /></param>
<param name="mask">a <see cref="T:Gdk.Pixmap" /></param> <param name="mask">a <see cref="T:Gdk.Pixmap" /></param>
<remarks></remarks> <remarks>
</remarks>
</Docs> </Docs>
</Member> </Member>
<Member MemberName="Get"> <Member MemberName="Get">
@ -598,15 +599,15 @@ masked by the given <see cref="Gdk.Pixmap" />.</summary>
</Parameters> </Parameters>
<Docs> <Docs>
<summary> <summary>
Gets the <see cref="T:Gdk.Image"/> and mask being Gets the <see cref="T:Gdk.Image" /> and mask being
displayed by the <see cref="T:Gtk.Image"/>. displayed by the <see cref="T:Gtk.Image" />.
</summary> </summary>
<param name="val">a <see cref="T:Gdk.Image" /></param> <param name="val">a <see cref="T:Gdk.Image" /></param>
<param name="mask">a <see cref="T:Gdk.Pixmap" /></param> <param name="mask">a <see cref="T:Gdk.Pixmap" /></param>
<remarks> <remarks>
The storage type of the image must be The storage type of the image must be
<see cref="T:Gtk.ImageType.Empty"/>. <see cref="T:Gtk.ImageType.Empty" />.
or <see cref="T:Gtk.ImageType.Image"/>. or <see cref="T:Gtk.ImageType.Image" />.
(see <see cref="P:Gtk.Image.StorageType" />). (see <see cref="P:Gtk.Image.StorageType" />).
</remarks> </remarks>
</Docs> </Docs>
@ -683,5 +684,67 @@ masked by the given <see cref="Gdk.Pixmap" />.</summary>
</remarks> </remarks>
</Docs> </Docs>
</Member> </Member>
<Member MemberName="LoadFromResource">
<MemberSignature Language="C#" Value="public static Gtk.Image LoadFromResource (string resource);" />
<MemberType>Method</MemberType>
<ReturnValue>
<ReturnType>Gtk.Image</ReturnType>
</ReturnValue>
<Parameters>
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Loads an image from a resource file.</summary>
<param name="resource">the name of the resource</param>
<returns>a <see cref="T:Gtk.Image" /></returns>
<remarks>
This load an image from a resource in the calling assembly. This is
equivalent to using the
<see cref="C:Gtk.Image(System.Reflection.Assembly, System.String)" />
constructor with a <see langword="null" /> assembly.
</remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public Image (System.IO.Stream stream);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="stream" Type="System.IO.Stream" />
</Parameters>
<Docs>
<summary>Loads an image from a <see cref="T:System.IO.Stream" />.</summary>
<param name="stream">a <see cref="T:System.IO.Stream" /></param>
<returns>a <see cref="T:Gtk.Image" /></returns>
<remarks>
This is equivalent to calling <see cref="C:Gdk.Pixbuf(System.IO.Stream)" />
or <see cref="C:Gdk.PixbufAnimation(System.IO.Stream)" /> and then creating
an <see cref="T:Gtk.Image" /> from the resulting pixbuf.
</remarks>
</Docs>
</Member>
<Member MemberName=".ctor">
<MemberSignature Language="C#" Value="public Image (System.Reflection.Assembly assembly, string resource);" />
<MemberType>Constructor</MemberType>
<ReturnValue />
<Parameters>
<Parameter Name="assembly" Type="System.Reflection.Assembly" />
<Parameter Name="resource" Type="System.String" />
</Parameters>
<Docs>
<summary>Loads an image embedded in an assembly</summary>
<param name="assembly">The <see cref="T:System.Reflection.Assembly" /> that contains the image.
<para>
If the value is <see langword="null" />, the image will be looked up on the calling assembly.</para></param>
<param name="resource">The name given as the resource in the assembly</param>
<returns>a <see cref="T:Gtk.Image" /></returns>
<remarks>
This is equivalent to calling
<see cref="C:Gdk.Pixbuf(System.Reflection.Assembly,System.String)" /> or
<see cref="C:Gdk.PixbufAnimation(System.Reflection.Assembly,System.String)" />
and then creating an <see cref="T:Gtk.Image" /> from the resulting pixbuf.
</remarks>
</Docs>
</Member>
</Members> </Members>
</Type> </Type>

1
gdk/Makefile.am
View file

@ -41,6 +41,7 @@ customs = \
Keymap.custom \ Keymap.custom \
Pixmap.custom \ Pixmap.custom \
Pixbuf.custom \ Pixbuf.custom \
PixbufAnimation.custom \
PixbufLoader.custom \ PixbufLoader.custom \
Pixdata.custom \ Pixdata.custom \
Point.custom \ Point.custom \

38
gdk/Pixbuf.custom
View file

@ -92,54 +92,20 @@
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); 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")] public Pixbuf (System.IO.Stream stream) : base (new PixbufLoader (stream).PixbufHandle) {}
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) public Pixbuf (System.Reflection.Assembly assembly, string resource) : base (IntPtr.Zero)
{ {
if (assembly == null) if (assembly == null)
assembly = System.Reflection.Assembly.GetCallingAssembly (); assembly = System.Reflection.Assembly.GetCallingAssembly ();
Raw = new PixbufLoader (assembly, resource).PixbufHandle;
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) static public Pixbuf LoadFromResource (string resource)
{ {
if (resource == null)
throw new ArgumentNullException ("resource");
return new Pixbuf (System.Reflection.Assembly.GetCallingAssembly (), resource); return new Pixbuf (System.Reflection.Assembly.GetCallingAssembly (), resource);
} }
[DllImport("libgdk_pixbuf-2.0-0.dll")] [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); static extern IntPtr gdk_pixbuf_scale_simple(IntPtr raw, int dest_width, int dest_height, int interp_type);

33
gdk/PixbufAnimation.custom Normal file
View file

@ -0,0 +1,33 @@
// PixbufAnimation.custom - GdkPixbufAnimation class customizations
//
// Copyright (c) 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 PixbufAnimation (System.IO.Stream stream) : base (new PixbufLoader (stream).AnimationHandle) {}
public PixbufAnimation (System.Reflection.Assembly assembly, string resource) : base (IntPtr.Zero)
{
if (assembly == null)
assembly = System.Reflection.Assembly.GetCallingAssembly ();
Raw = new PixbufLoader (assembly, resource).AnimationHandle;
}
static public PixbufAnimation LoadFromResource (string resource)
{
return new PixbufAnimation (System.Reflection.Assembly.GetCallingAssembly (), resource);
}

48
gdk/PixbufLoader.custom
View file

@ -21,9 +21,18 @@
// Free Software Foundation, Inc., 59 Temple Place - Suite 330, // Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. // Boston, MA 02111-1307, USA.
[DllImport("libgobject-2.0-0.dll")]
static extern IntPtr g_object_ref (IntPtr handle);
internal IntPtr PixbufHandle { internal IntPtr PixbufHandle {
get { get {
return gdk_pixbuf_loader_get_pixbuf (Handle); return g_object_ref (gdk_pixbuf_loader_get_pixbuf (Handle));
}
}
internal IntPtr AnimationHandle {
get {
return g_object_ref (gdk_pixbuf_loader_get_animation (Handle));
} }
} }
@ -32,3 +41,40 @@
return this.Write (bytes, (uint) bytes.Length); return this.Write (bytes, (uint) bytes.Length);
} }
private void LoadFromStream (System.IO.Stream input)
{
byte [] buffer = new byte [8192];
int n;
while ((n = input.Read (buffer, 0, 8192)) != 0)
Write (buffer, (uint) n);
Close ();
}
public PixbufLoader (System.IO.Stream stream) : this ()
{
LoadFromStream (stream);
}
public PixbufLoader (System.Reflection.Assembly assembly, string resource) : this ()
{
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 + "' is not a valid resource name of assembly '" + assembly + "'.");
LoadFromStream (s);
}
static public PixbufLoader LoadFromResource (string resource)
{
if (resource == null)
throw new ArgumentNullException ("resource");
return new PixbufLoader (System.Reflection.Assembly.GetCallingAssembly (), resource);
}

34
gtk/Image.custom
View file

@ -54,3 +54,37 @@
GLib.Marshaller.Free (native); GLib.Marshaller.Free (native);
} }
void LoadFromStream (System.IO.Stream stream)
{
try {
Gdk.PixbufAnimation anim = new Gdk.PixbufAnimation (stream);
if (anim.IsStaticImage)
Pixbuf = anim.StaticImage;
else
PixbufAnimation = anim;
} catch {
Stock = Gtk.Stock.MissingImage;
}
}
public Image (System.IO.Stream stream) : this ()
{
LoadFromStream (stream);
}
public Image (System.Reflection.Assembly assembly, string resource) : this ()
{
if (assembly == null)
assembly = System.Reflection.Assembly.GetCallingAssembly ();
System.IO.Stream s = assembly.GetManifestResourceStream (resource);
if (s == null)
throw new ArgumentException ("'" + resource + "' is not a valid resource name of assembly '" + assembly + "'.");
LoadFromStream (s);
}
static public Image LoadFromResource (string resource)
{
return new Image (System.Reflection.Assembly.GetCallingAssembly (), resource);
}