2021-08-22

imaging/build.gradle.kts

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+plugins {
+    id("elex-java")
+}
+
+dependencies {
+    // https://mvnrepository.com/artifact/org.apache.commons/commons-imaging
+    implementation("org.apache.commons:commons-imaging:1.0-alpha2")
+
+}

imaging/src/main/java/kr/pe/elex/examples/CommonsSample.java

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import org.apache.commons.imaging.*;
+import org.apache.commons.imaging.formats.png.PngConstants;
+import org.apache.commons.imaging.formats.tiff.constants.TiffConstants;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
+
+public class CommonsSample {
+	public static void main(String... args) throws ImageWriteException, IOException, ImageReadException {
+		readPNG();
+	}
+
+	public static void readPNG() throws IOException, ImageReadException, ImageWriteException {
+		BufferedImage imageSource = Imaging.getBufferedImage(Objects
+				.requireNonNull(Sample.class.getResourceAsStream("/java.png")));
+		Image scaledImage = imageSource.getScaledInstance(16, 16, Image.SCALE_SMOOTH);
+
+		BufferedImage newImage = new BufferedImage(16, 16, BufferedImage.TYPE_INT_RGB);
+		Graphics2D g = newImage.createGraphics();
+		g.drawImage(scaledImage, 0, 0, null);
+
+		final Map<String, Object> params = new HashMap<>();
+		params.put(ImagingConstants.PARAM_KEY_COMPRESSION,
+				TiffConstants.TIFF_COMPRESSION_UNCOMPRESSED);
+
+		Imaging.writeImage(newImage, new File("out/test-out.ico"), ImageFormats.TIFF, params);
+		//PngConstants.
+	}
+}

imaging/src/main/java/kr/pe/elex/examples/Sample.java

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+/*
+ * Examples for Java
+ *
+ * Copyright (c) 2021. Elex. All Rights Reserved.
+ * https://www.elex-project.com/
+ */
+
+package kr.pe.elex.examples;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.Objects;
+
+public class Sample {
+	public static void main(String... args) throws IOException {
+		formats();
+		//readPNG();
+	}
+
+	public static void readPNG() throws IOException {
+		BufferedImage imageSource = ImageIO.read(Objects
+				.requireNonNull(Sample.class.getResourceAsStream("/java.png")));
+		Image scaledImage = imageSource.getScaledInstance(100, 100, Image.SCALE_SMOOTH);
+
+		BufferedImage newImage = new BufferedImage(100, 100, BufferedImage.TYPE_INT_RGB);
+		Graphics2D g = newImage.createGraphics();
+		boolean r = g.drawImage(scaledImage, 0, 0, null);
+
+		System.out.println("? " + r);
+		ImageIO.write(newImage, "JPG", new File("out/test-out.jpg"));
+		//ImageIO.write(imageSource, "JPG", new File("test-src-out.jpg"));
+	}
+
+	public static BufferedImage convert(final Image image, final int imageTYpe) {
+		final BufferedImage newImage = new BufferedImage(image.getWidth(null), image.getHeight(null),
+				imageTYpe);
+
+		final Graphics2D g = newImage.createGraphics();
+		g.drawImage(image, 0, 0, null);
+		g.dispose();
+		return newImage;
+	}
+
+	public static void formats(){
+		System.out.println("Writer");
+		for (String item : ImageIO.getWriterFormatNames()) {
+			System.out.println(item);
+		}
+		System.out.println("Reader");
+		for (String item : ImageIO.getReaderFormatNames()) {
+			System.out.println(item);
+		}
+	}
+}