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diff --git a/spicetype.js b/spicetype.js
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+++ b/spicetype.js
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+"use strict";
+/*
+   Copyright (C) 2012 by Jeremy P. White <jwhite@codeweavers.com>
+
+   This file is part of spice-html5.
+
+   spice-html5 is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Lesser General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   spice-html5 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 spice-html5.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*----------------------------------------------------------------------------
+**  Spice types
+**      This file contains classes for common spice types.
+**  Generally, they are used as helpers in reading and writing messages
+**  to and from the server.
+**--------------------------------------------------------------------------*/
+
+function SpiceChannelId()
+{
+}
+SpiceChannelId.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.type = dv.getUint8(at, true); at ++;
+        this.id = dv.getUint8(at, true); at ++;
+        return at;
+    },
+}
+
+function SpiceRect()
+{
+}
+
+SpiceRect.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.top = dv.getUint32(at, true); at += 4;
+        this.left = dv.getUint32(at, true); at += 4;
+        this.bottom = dv.getUint32(at, true); at += 4;
+        this.right = dv.getUint32(at, true); at += 4;
+        return at;
+    },
+    is_same_size : function(r)
+    {
+        if ((this.bottom - this.top) == (r.bottom - r.top) &&
+            (this.right - this.left) == (r.right - r.left) )
+            return true;
+
+        return false;
+    },
+}
+
+function SpiceClipRects()
+{
+}
+
+SpiceClipRects.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        var i;
+        this.num_rects = dv.getUint32(at, true); at += 4;
+        if (this.num_rects > 0)
+            this.rects = [];
+        for (i = 0; i < this.num_rects; i++)
+        {
+            this.rects[i] = new SpiceRect();
+            at = this.rects[i].from_dv(dv, at, mb);
+        }
+        return at;
+    },
+}
+
+function SpiceClip()
+{
+}
+
+SpiceClip.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.type = dv.getUint8(at, true); at ++;
+        if (this.type == SPICE_CLIP_TYPE_RECTS)
+        {
+            this.rects = new SpiceClipRects();
+            at = this.rects.from_dv(dv, at, mb);
+        }
+        return at;
+    },
+}
+
+function SpiceImageDescriptor()
+{
+}
+
+SpiceImageDescriptor.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.id = dv.getUint32(at, true); at += 4;
+        this.id += (dv.getUint32(at, true) << 32); at += 4;
+        this.type  = dv.getUint8(at, true); at ++;
+        this.flags = dv.getUint8(at, true); at ++;
+        this.width = dv.getUint32(at, true); at += 4;
+        this.height= dv.getUint32(at, true); at += 4;
+        return at;
+    },
+}
+
+function SpicePalette()
+{
+}
+
+SpicePalette.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        var i;
+        this.unique = [];
+        this.unique[0] = dv.getUint32(at, true); at += 4;
+        this.unique[1] = dv.getUint32(at, true); at += 4;
+        this.num_ents = dv.getUint16(at, true); at += 2;
+        this.ents = [];
+        for (i = 0; i < this.num_ents; i++)
+        {
+            this.ents[i] = dv.getUint32(at, true); at += 4;
+        }
+        return at;
+    },
+}
+
+function SpiceBitmap()
+{
+}
+
+SpiceBitmap.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.format = dv.getUint8(at, true); at++;
+        this.flags  = dv.getUint8(at, true); at++;
+        this.x = dv.getUint32(at, true); at += 4;
+        this.y = dv.getUint32(at, true); at += 4;
+        this.stride = dv.getUint32(at, true); at += 4;
+        if (this.flags & SPICE_BITMAP_FLAGS_PAL_FROM_CACHE)
+        {
+            this.palette_id = [];
+            this.palette_id[0] = dv.getUint32(at, true); at += 4;
+            this.palette_id[1] = dv.getUint32(at, true); at += 4;
+        }
+        else
+        {
+            var offset = dv.getUint32(at, true); at += 4;
+            if (offset == 0)
+                this.palette = null;
+            else
+            {
+                this.palette = new SpicePalette;
+                this.palette.from_dv(dv, offset, mb);
+            }
+        }
+        // FIXME - should probably constrain this to the offset
+        //          of palette, if non zero
+        this.data   = mb.slice(at);
+        at += this.data.byteLength;
+        return at;
+    },
+}
+
+function SpiceImage()
+{
+}
+
+SpiceImage.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.descriptor = new SpiceImageDescriptor;
+        at = this.descriptor.from_dv(dv, at, mb);
+
+        if (this.descriptor.type == SPICE_IMAGE_TYPE_LZ_RGB)
+        {
+            this.lz_rgb = new Object();
+            this.lz_rgb.length = dv.getUint32(at, true); at += 4;
+            var initial_at = at;
+            this.lz_rgb.magic = "";
+            for (var i = 3; i >= 0; i--)
+                this.lz_rgb.magic += String.fromCharCode(dv.getUint8(at + i));
+            at += 4;
+
+            // NOTE:  The endian change is *correct*
+            this.lz_rgb.version = dv.getUint32(at); at += 4;
+            this.lz_rgb.type = dv.getUint32(at); at += 4;
+            this.lz_rgb.width = dv.getUint32(at); at += 4;
+            this.lz_rgb.height = dv.getUint32(at); at += 4;
+            this.lz_rgb.stride = dv.getUint32(at); at += 4;
+            this.lz_rgb.top_down = dv.getUint32(at); at += 4;
+
+            var header_size = at - initial_at;
+
+            this.lz_rgb.data   = mb.slice(at, this.lz_rgb.length + at - header_size);
+            at += this.lz_rgb.data.byteLength;
+
+        }
+
+        if (this.descriptor.type == SPICE_IMAGE_TYPE_BITMAP)
+        {
+            this.bitmap = new SpiceBitmap;
+            at = this.bitmap.from_dv(dv, at, mb);
+        }
+
+        if (this.descriptor.type == SPICE_IMAGE_TYPE_SURFACE)
+        {
+            this.surface_id = dv.getUint32(at, true); at += 4;
+        }
+
+        if (this.descriptor.type == SPICE_IMAGE_TYPE_JPEG)
+        {
+            this.jpeg = new Object;
+            this.jpeg.data_size = dv.getUint32(at, true); at += 4;
+            this.jpeg.data = mb.slice(at);
+            at += this.jpeg.data.byteLength;
+        }
+
+        if (this.descriptor.type == SPICE_IMAGE_TYPE_QUIC)
+        {
+            var tmparr = [];
+            var i;
+            this.quicr_length = dv.getUint32(at, true); at += 4;
+            var qdv = new Uint8Array(mb.slice(at));
+            for (i = 0; i < qdv.length; i++)
+                tmparr[i] = qdv[i];
+            this.quic = getQuic(tmparr);
+            at += qdv.length;
+        }
+        return at;
+    },
+}
+
+
+function SpiceQMask()
+{
+}
+
+SpiceQMask.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.flags  = dv.getUint8(at, true); at++;
+        this.pos = new SpicePoint;
+        at = this.pos.from_dv(dv, at, mb);
+        var offset = dv.getUint32(at, true); at += 4;
+        if (offset == 0)
+        {
+            this.bitmap = null;
+            return at;
+        }
+
+        this.bitmap = new SpiceImage;
+        return this.bitmap.from_dv(dv, offset, mb);
+    },
+}
+
+
+function SpicePattern()
+{
+}
+
+SpicePattern.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        var offset = dv.getUint32(at, true); at += 4;
+        if (offset == 0)
+        {
+            this.pat = null;
+        }
+        else
+        {
+            this.pat = new SpiceImage;
+            this.pat.from_dv(dv, offset, mb);
+        }
+
+        this.pos = new SpicePoint;
+        return this.pos.from_dv(dv, at, mb);
+    }
+}
+
+function SpiceBrush()
+{
+}
+
+SpiceBrush.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.type = dv.getUint8(at, true); at ++;
+        if (this.type == SPICE_BRUSH_TYPE_SOLID)
+        {
+            this.color = dv.getUint32(at, true); at += 4;
+        }
+        else if (this.type == SPICE_BRUSH_TYPE_PATTERN)
+        {
+            this.pattern = new SpicePattern;
+            at = this.pattern.from_dv(dv, at, mb);
+        }
+        return at;
+    },
+}
+
+function SpiceFill()
+{
+}
+
+SpiceFill.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.brush = new SpiceBrush;
+        at = this.brush.from_dv(dv, at, mb);
+        this.rop_descriptor = dv.getUint16(at, true); at += 2;
+        this.mask = new SpiceQMask;
+        return this.mask.from_dv(dv, at, mb);
+    },
+}
+
+
+function SpiceCopy()
+{
+}
+
+SpiceCopy.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        var offset = dv.getUint32(at, true); at += 4;
+        if (offset == 0)
+        {
+            this.src_bitmap = null;
+        }
+        else
+        {
+            this.src_bitmap = new SpiceImage;
+            this.src_bitmap.from_dv(dv, offset, mb);
+        }
+        this.src_area = new SpiceRect;
+        at = this.src_area.from_dv(dv, at, mb);
+        this.rop_descriptor = dv.getUint16(at, true); at += 2;
+        this.scale_mode = dv.getUint8(at, true); at ++;
+        this.mask = new SpiceQMask;
+        return this.mask.from_dv(dv, at, mb);
+    },
+}
+
+function SpicePoint16()
+{
+}
+
+SpicePoint16.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.x = dv.getUint16(at, true); at += 2;
+        this.y = dv.getUint16(at, true); at += 2;
+        return at;
+    },
+}
+
+function SpicePoint()
+{
+}
+
+SpicePoint.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.x = dv.getUint32(at, true); at += 4;
+        this.y = dv.getUint32(at, true); at += 4;
+        return at;
+    },
+}
+
+function SpiceCursorHeader()
+{
+}
+
+SpiceCursorHeader.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.unique = [];
+        this.unique[0] = dv.getUint32(at, true); at += 4;
+        this.unique[1] = dv.getUint32(at, true); at += 4;
+        this.type = dv.getUint8(at, true); at ++;
+        this.width = dv.getUint16(at, true); at += 2;
+        this.height = dv.getUint16(at, true); at += 2;
+        this.hot_spot_x = dv.getUint16(at, true); at += 2;
+        this.hot_spot_y = dv.getUint16(at, true); at += 2;
+        return at;
+    },
+}
+
+function SpiceCursor()
+{
+}
+
+SpiceCursor.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.flags = dv.getUint16(at, true); at += 2;
+        if (this.flags & SPICE_CURSOR_FLAGS_NONE)
+            this.header = null;
+        else
+        {
+            this.header = new SpiceCursorHeader;
+            at = this.header.from_dv(dv, at, mb);
+            this.data   = mb.slice(at);
+            at += this.data.byteLength;
+        }
+        return at;
+    },
+}
+
+function SpiceSurface()
+{
+}
+
+SpiceSurface.prototype =
+{
+    from_dv: function(dv, at, mb)
+    {
+        this.surface_id = dv.getUint32(at, true); at += 4;
+        this.width = dv.getUint32(at, true); at += 4;
+        this.height = dv.getUint32(at, true); at += 4;
+        this.format = dv.getUint32(at, true); at += 4;
+        this.flags = dv.getUint32(at, true); at += 4;
+        return at;
+    },
+}
+
+/* FIXME - SpiceImage  types lz_plt, jpeg, zlib_glz, and jpeg_alpha are 
+           completely unimplemented */