/*
 * Copyright 2006, Haiku. All rights reserved.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *              Stephan Aßmus <superstippi@gmx.de>
 */

#include "WonderBrushImage.h"

#include "Canvas.h"

WonderBrushImage::WonderBrushImage()
        : fArchive((uint32)0)
{
}


WonderBrushImage::~WonderBrushImage()
{
}


status_t
WonderBrushImage::SetTo(BPositionIO* stream)
{
        if (!stream)
                return B_BAD_VALUE;

        // try to load the stream as a BMessage and probe it
        // to see whether it might be a WonderBrush image
        fArchive.MakeEmpty();
        status_t status = fArchive.Unflatten(stream);
        if (status < B_OK)
                return status;

        if (fArchive.HasMessage("layer") && fArchive.HasRect("bounds"))
                return B_OK;

        return B_ERROR;
}


BBitmap*
WonderBrushImage::Bitmap() const
{
        Canvas canvas(BRect(0.0, 0.0, -1.0, -1.0));

        if (canvas.Unarchive(&fArchive) < B_OK)
                return NULL;

        return canvas.Bitmap();
}