On Thu, 2008-09-18 at 22:45 -0400, Brian J. Murrell wrote: > > Pixelate is next.
Find pixelate below... > I wonder if I can find a nice easy pixelate algorithm > to implement or if I will have to invent my own. Heh. Lazy man's pixelate: scale down then back up. :-) diff --exclude .svn -Nur ../f-spot-0.5.0/extensions/Editors/PixelateEditor/Makefile ./extensions/Editors/PixelateEditor/Makefile --- ../f-spot-0.5.0/extensions/Editors/PixelateEditor/Makefile 1969-12-31 19:00:00.000000000 -0500 +++ ./extensions/Editors/PixelateEditor/Makefile 2008-09-18 22:53:32.000000000 -0400 @@ -0,0 +1,29 @@ +all: PixelateEditor.dll + +PACKAGES = \ + -pkg:f-spot \ + -pkg:gtk-sharp-2.0 + +ASSEMBLIES = \ + -r:Mono.Posix + +RESOURCES = \ + -resource:PixelateEditor.addin.xml + +SOURCES = \ + PixelateEditor.cs + +install: all + cp *.dll ~/.gnome2/f-spot/addins/ + +mpack: PixelateEditor.dll + mautil p PixelateEditor.dll + +PixelateEditor.dll: $(SOURCES) PixelateEditor.addin.xml + gmcs -target:library $(SOURCES) $(PACKAGES) $(ASSEMBLIES) $(RESOURCES) + +clean: + rm -f *.dll *~ *.bak .mpack + +PHONY: + install clean all mpack diff --exclude .svn -Nur ../f-spot-0.5.0/extensions/Editors/PixelateEditor/PixelateEditor.addin.xml ./extensions/Editors/PixelateEditor/PixelateEditor.addin.xml --- ../f-spot-0.5.0/extensions/Editors/PixelateEditor/PixelateEditor.addin.xml 1969-12-31 19:00:00.000000000 -0500 +++ ./extensions/Editors/PixelateEditor/PixelateEditor.addin.xml 2008-09-18 22:53:08.000000000 -0400 @@ -0,0 +1,15 @@ +<Addin namespace="FSpot" + id="PixelateEditor" + version="0.5.0.0" + name="PixelateEditor" + description="Pixelates the image horizontally." + author="Ruben Vermeersch" + url="http://f-spot.org/Extensions"; + category="Editors"> + <Dependencies> + <Addin id="Core" version="0.5.0.0"/> + </Dependencies> + <Extension path = "/FSpot/Editors"> + <Editor editor_type = "FSpot.Addins.Editors.PixelateEditor"/> + </Extension> +</Addin> diff --exclude .svn -Nur ../f-spot-0.5.0/extensions/Editors/PixelateEditor/PixelateEditor.cs ./extensions/Editors/PixelateEditor/PixelateEditor.cs --- ../f-spot-0.5.0/extensions/Editors/PixelateEditor/PixelateEditor.cs 1969-12-31 19:00:00.000000000 -0500 +++ ./extensions/Editors/PixelateEditor/PixelateEditor.cs 2008-09-18 23:19:16.000000000 -0400 @@ -0,0 +1,35 @@ +/* + * PixelateEditor.cs + * + * Author(s) + * Brian J. Murrell <[EMAIL PROTECTED]> + * + * This is free software. See COPYING for details. + */ + +using FSpot; +using FSpot.Editors; +using Gdk; +using Mono.Unix; + +namespace FSpot.Addins.Editors { + class PixelateEditor : Editor { + public PixelateEditor () : base (Catalog.GetString ("Pixelate"), "object-blackout") { + CanHandleMultiple = true; + } + + protected override Pixbuf Process (Pixbuf input, Cms.Profile input_profile) { + Pixbuf output = input.Copy (); + + Pixbuf sub = new Pixbuf (output, State.Selection.x, State.Selection.y, + State.Selection.width, State.Selection.height); + /* lazy man's pixelate: scale down and then back up */ + Pixbuf down = sub.ScaleSimple (State.Selection.width/75, State.Selection.height/75, + InterpType.Nearest); + Pixbuf up = down.ScaleSimple (State.Selection.width, State.Selection.height, + InterpType.Nearest); + up.CopyArea (0, 0, State.Selection.width, State.Selection.height, sub, 0, 0); + return output; + } + } +} This editor writing is really quite simple. Or so it appears. I guess maybe I will find out what I have done wrong when/if somebody reviews my patches. Cheers, b.
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