/*
 * Copyright (c) 2018-2019. Developed by Hedgecode.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.hedgecode.chess.img.vector;

import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

import javax.imageio.ImageIO;

import org.apache.batik.transcoder.TranscoderException;
import org.apache.batik.transcoder.TranscoderInput;
import org.apache.batik.transcoder.TranscoderOutput;
import org.apache.batik.transcoder.image.ImageTranscoder;

import org.hedgecode.chess.img.ImageFormat;

/**
 * Transcoder for vector square images to {@link BufferedImage}.
 *
 * @author Dmitry Samoshin aka gotty
 * @see ImageTranscoder
 */
public class SquareImageTranscoder extends ImageTranscoder {

    private final int type;
    private BufferedImage image;

    SquareImageTranscoder(int type) {
        this.type = type;
    }

    SquareImageTranscoder(int type, int size) {
        this.type = type;
        addTranscodingHint(ImageTranscoder.KEY_WIDTH, (float) size);
        addTranscodingHint(ImageTranscoder.KEY_HEIGHT, (float) size);

    }

    @Override
    protected void setImageSize(float width, float height) {
        if (width > 0 && height > 0) {
            super.setImageSize(width, height);
        }
    }

    @Override
    public BufferedImage createImage(int width, int height) {
        return new BufferedImage(width, height, type);
    }

    @Override
    public void writeImage(BufferedImage image, TranscoderOutput to) throws TranscoderException {
        this.image = image;
    }

    public BufferedImage transcode(InputStream inputStream) throws TranscoderException {
        transcode(
                new TranscoderInput(inputStream),
                null
        );
        return getImage();
    }

    public BufferedImage getImage() {
        return image;
    }


    public static void main(String[] args) throws TranscoderException, IOException {
        SquareImageTranscoder imageTranscoder =
                new SquareImageTranscoder(BufferedImage.TYPE_INT_ARGB); // , 250
        ImageIO.write(
                imageTranscoder.transcode(
                        ClassLoader.getSystemResourceAsStream("images/pieces/spatial/bb.svg")
                ),
                ImageFormat.PNG.name(),
                new File("bishop" + "." + ImageFormat.PNG.getExt())
        );
    }

}