SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package com.nttdocomo.ui;

import cc.squirreljme.runtime.cldc.debug.Debugging;
import cc.squirreljme.runtime.lcdui.image.ImageReaderDispatcher;
import cc.squirreljme.runtime.nttdocomo.ui.DoJa8BitImageLoader;
import cc.squirreljme.runtime.nttdocomo.ui.EightBitImageStore;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

/**
 * Support for 8-bit image.
 *
 * @since 2024/01/14
 */
class __8BitImage__
    extends PalettedImage
{
    /** The image that is currently stored here. */
    volatile EightBitImageStore _store;
    
    /**
     * {@inheritDoc}
     * @since 2024/01/14
     */
    @Override
    public void changeData(byte[] __data)
        throws NullPointerException, UIException
    {
        // Forward to stream based handler
        try (InputStream in = new ByteArrayInputStream(__data))
        {
            this.changeData(in);
        }
        catch (IOException __e)
        {
            UIException toss = new UIException(UIException.ILLEGAL_STATE);
            toss.initCause(__e);
            throw toss;
        }
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/14
     */
    @Override
    public void changeData(InputStream __in)
        throws NullPointerException, UIException
    {
        if (__in == null)
            throw new NullPointerException("NARG");
        
        // Parse the given image
        DoJa8BitImageLoader loader = new DoJa8BitImageLoader();
        try
        {
            ImageReaderDispatcher<EightBitImageStore> reader =
                new ImageReaderDispatcher<>(loader);
            
            reader.parse(__in);
        }
        catch (IOException __e)
        {
            UIException toss = new UIException(UIException.UNSUPPORTED_FORMAT);
            toss.initCause(__e);
            throw toss;
        }
        
        // Finish loading in the image to the store
        EightBitImageStore store = (EightBitImageStore)loader.finish();
        this._store = store;
        this._paletteOverride = store.getPalette();
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/14
     */
    @Override
    public void dispose()
    {
        throw Debugging.todo();
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/15
     */
    @Override
    public int getTransparentIndex()
        throws UIException
    {
        EightBitImageStore store = this._store;
        if (store == null)
            throw new UIException(UIException.ILLEGAL_STATE);
        
        // Try the super method first
        try
        {
            return super.getTransparentIndex();
        }
        catch (UIException ignored)
        {
            // Use the color from the store
            return store.getTransparentIndex();
        }
    }
}