package io.spatio;

import javax.imageio.ImageIO;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.awt.image.RenderedImage;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.IOException;

public class ImageUtil {

public static void saveAsPng100x100(BufferedImage source, String path) {

try {

int targetWidth = 100;

int targetHeight = 100;

BufferedImage resized = new BufferedImage(

targetWidth,

targetHeight,

BufferedImage.TYPE_INT_ARGB

);

Graphics2D g2d = resized.createGraphics();

// Qualité de redimensionnement (bonne pratique)

g2d.setRenderingHint(

RenderingHints.KEY_INTERPOLATION,

RenderingHints.VALUE_INTERPOLATION_BILINEAR

);

g2d.setRenderingHint(

RenderingHints.KEY_RENDERING,

RenderingHints.VALUE_RENDER_QUALITY

);

g2d.setRenderingHint(

RenderingHints.KEY_ANTIALIASING,

RenderingHints.VALUE_ANTIALIAS_ON

);

g2d.drawImage(source, 0, 0, targetWidth, targetHeight, null);

g2d.dispose();

ImageIO.write(resized, "png", new File(path));

} catch (IOException e) {

throw new RuntimeException("Erreur sauvegarde PNG 100x100", e);

}

}

public byte[] toBytes( java.awt.image.RenderedImage image) throws IOException {

ByteArrayOutputStream baos = new ByteArrayOutputStream();

ImageIO.write(image, "png", baos);

byte[] imageBytes = baos.toByteArray();

return imageBytes;

}

}