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FastImage v0.1.0: Final Polish & Bing Showcase Demos (Resize Benchmark, Pipeline, Batch)
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‎docs/API_DESIGN.md‎

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‎examples/BatchProcessing_Bing/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>fastimage</groupId>
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<artifactId>batch-processing-bing</artifactId>
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<version>0.1.0</version>
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<name>FastImage Batch Processing (Bing)</name>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.github.andrestubbe</groupId>
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<artifactId>fastimage</artifactId>
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<version>0.1.0</version>
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</dependency>
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</dependencies>
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</project>

‎examples/BatchProcessing_Bing/src/main/java/fastimage/BatchProcessing_Bing.java‎

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package fastimage;
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import javax.swing.*;
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import javax.swing.border.EmptyBorder;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.util.concurrent.ExecutorService;
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import java.util.concurrent.Executors;
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import java.util.concurrent.TimeUnit;
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import java.util.concurrent.atomic.AtomicInteger;
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/**
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* BatchProcessing_Bing - Parallel High-Throughput Demo.
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* Goal: Process 100 images as fast as possible.
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*/
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public class BatchProcessing_Bing extends JFrame {
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private final BufferedImage sample;
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private final JProgressBar progressBar;
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private final JLabel statsLabel;
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private final AtomicInteger completedCount = new AtomicInteger(0);
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public BatchProcessing_Bing() {
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setTitle("FastImage Batch Processor (Bing)");
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setResizable(false);
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getContentPane().setBackground(new Color(30, 30, 35));
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setLayout(new BorderLayout());
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sample = new BufferedImage(1024, 1024, BufferedImage.TYPE_INT_ARGB);
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Graphics2D g = sample.createGraphics();
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g.setPaint(new GradientPaint(0, 0, Color.CYAN, 1024, 1024, Color.MAGENTA));
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g.fillRect(0, 0, 1024, 1024);
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g.dispose();
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// Header
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JLabel header = new JLabel("PARALLEL BATCH PROCESSING (100 IMAGES)", SwingConstants.CENTER);
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header.setForeground(Color.WHITE);
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header.setFont(new Font("Segoe UI", Font.BOLD, 20));
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header.setBorder(new EmptyBorder(30, 0, 30, 0));
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add(header, BorderLayout.NORTH);
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// Center Panel
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JPanel center = new JPanel(new GridLayout(2, 1, 10, 10));
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center.setOpaque(false);
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center.setBorder(new EmptyBorder(0, 40, 0, 40));
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progressBar = new JProgressBar(0, 100);
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progressBar.setPreferredSize(new Dimension(0, 40));
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progressBar.setStringPainted(true);
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progressBar.setForeground(new Color(0, 255, 150));
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progressBar.setBackground(new Color(50, 50, 60));
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center.add(progressBar);
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statsLabel = new JLabel("READY TO PROCESS", SwingConstants.CENTER);
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statsLabel.setForeground(Color.LIGHT_GRAY);
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statsLabel.setFont(new Font("Consolas", Font.BOLD, 18));
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center.add(statsLabel);
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add(center, BorderLayout.CENTER);
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// Run Button
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JButton btnRun = new JButton("🚀 START BATCH PROCESS");
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btnRun.setFont(new Font("Segoe UI", Font.BOLD, 18));
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btnRun.setBackground(new Color(0, 120, 215));
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btnRun.setForeground(Color.WHITE);
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btnRun.addActionListener(e -> {
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btnRun.setEnabled(false);
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runBatch();
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});
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add(btnRun, BorderLayout.SOUTH);
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pack();
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setSize(800, 400);
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setLocationRelativeTo(null);
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}
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private void runBatch() {
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completedCount.set(0);
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progressBar.setValue(0);
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statsLabel.setText("PROCESSING...");
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new Thread(() -> {
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long startTime = System.currentTimeMillis();
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int threadCount = Runtime.getRuntime().availableProcessors();
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ExecutorService executor = Executors.newFixedThreadPool(threadCount);
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for (int i = 0; i < 100; i++) {
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executor.submit(() -> {
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try {
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FastImage img = FastImage.fromBufferedImage(sample);
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img.resize(512, 512);
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img.blurStack(5.0f);
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img.dispose();
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int done = completedCount.incrementAndGet();
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SwingUtilities.invokeLater(() -> progressBar.setValue(done));
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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});
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}
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executor.shutdown();
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try {
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executor.awaitTermination(30, TimeUnit.SECONDS);
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} catch (InterruptedException e) {
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e.printStackTrace();
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}
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long duration = System.currentTimeMillis() - startTime;
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double imgPerSec = 100.0 / (duration / 1000.0);
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SwingUtilities.invokeLater(() -> {
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statsLabel.setText(String.format("FINISHED: %d ms (%.1f images/sec)", duration, imgPerSec));
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statsLabel.setForeground(Color.GREEN);
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});
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}).start();
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}
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public static void main(String[] args) {
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SwingUtilities.invokeLater(() -> new BatchProcessing_Bing().setVisible(true));
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}
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}

‎examples/PipelineDemo_Bing/pom.xml‎

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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>fastimage</groupId>
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<artifactId>pipeline-demo-bing</artifactId>
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<version>0.1.0</version>
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<name>FastImage Pipeline Demo (Bing)</name>
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<properties>
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<maven.compiler.source>17</maven.compiler.source>
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<maven.compiler.target>17</maven.compiler.target>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.github.andrestubbe</groupId>
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<artifactId>fastimage</artifactId>
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<version>0.1.0</version>
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</dependency>
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</dependencies>
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</project>

‎examples/PipelineDemo_Bing/src/main/java/fastimage/PipelineDemo_Bing.java‎

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package fastimage;
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import javax.swing.*;
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import javax.swing.border.EmptyBorder;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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/**
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* PipelineDemo_Bing - Visualizing the processing chain.
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* Steps: Original -> Gaussian Blur -> Contrast -> Grayscale.
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*/
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public class PipelineDemo_Bing extends JFrame {
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private final BufferedImage original;
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private final JLabel[] previewLabels = new JLabel[4];
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private final JLabel[] timeLabels = new JLabel[4];
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private final String[] stepNames = {"ORIGINAL", "BLUR GAUSSIAN", "CONTRAST", "GRAYSCALE"};
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public PipelineDemo_Bing() {
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setTitle("FastImage Pipeline Showcase (Bing)");
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setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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setResizable(false);
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getContentPane().setBackground(new Color(20, 20, 20));
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setLayout(new BorderLayout());
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original = generateTestImage(1200, 800);
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// Header
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JLabel header = new JLabel("MULTI-STAGE SIMD PIPELINE", SwingConstants.CENTER);
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header.setForeground(Color.WHITE);
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header.setFont(new Font("Segoe UI", Font.BOLD, 22));
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header.setBorder(new EmptyBorder(20, 0, 20, 0));
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add(header, BorderLayout.NORTH);
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// Grid for steps
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JPanel grid = new JPanel(new GridLayout(1, 4, 15, 0));
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grid.setOpaque(false);
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grid.setBorder(new EmptyBorder(0, 20, 0, 20));
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for (int i = 0; i < 4; i++) {
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grid.add(createStepPanel(i));
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}
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add(grid, BorderLayout.CENTER);
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// Start Button
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JButton btnRun = new JButton("▶ RUN PIPELINE");
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btnRun.setFont(new Font("Segoe UI", Font.BOLD, 18));
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btnRun.setBackground(new Color(50, 180, 80));
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btnRun.setForeground(Color.WHITE);
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btnRun.addActionListener(e -> {
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btnRun.setEnabled(false);
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runPipeline();
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});
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add(btnRun, BorderLayout.SOUTH);
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pack();
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setSize(1300, 500);
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setLocationRelativeTo(null);
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// Initial state
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previewLabels[0].setIcon(new ImageIcon(original.getScaledInstance(300, 200, Image.SCALE_SMOOTH)));
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}
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private JPanel createStepPanel(int index) {
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JPanel p = new JPanel(new BorderLayout(5, 5));
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p.setOpaque(false);
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JLabel name = new JLabel(stepNames[index], SwingConstants.CENTER);
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name.setForeground(new Color(180, 180, 180));
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name.setFont(new Font("Segoe UI", Font.BOLD, 12));
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p.add(name, BorderLayout.NORTH);
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previewLabels[index] = new JLabel();
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previewLabels[index].setHorizontalAlignment(SwingConstants.CENTER);
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previewLabels[index].setBorder(BorderFactory.createLineBorder(new Color(50, 50, 50)));
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previewLabels[index].setPreferredSize(new Dimension(300, 200));
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p.add(previewLabels[index], BorderLayout.CENTER);
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timeLabels[index] = new JLabel(index == 0 ? "-" : "WAITING...");
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timeLabels[index].setForeground(Color.GRAY);
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timeLabels[index].setHorizontalAlignment(SwingConstants.CENTER);
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timeLabels[index].setFont(new Font("Consolas", Font.PLAIN, 14));
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p.add(timeLabels[index], BorderLayout.SOUTH);
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return p;
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}
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private void runPipeline() {
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new Thread(() -> {
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try {
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// Step 0: Load (already done)
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// Step 1: Blur
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long t1 = System.nanoTime();
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FastImage fi = FastImage.fromBufferedImage(original);
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fi.blurGaussian(10.0f);
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long d1 = (System.nanoTime() - t1) / 1_000_000;
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updateStep(1, fi.toBufferedImage(), d1);
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Thread.sleep(500);
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// Step 2: Contrast
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long t2 = System.nanoTime();
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fi.adjustContrast(1.5f);
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long d2 = (System.nanoTime() - t2) / 1_000_000;
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updateStep(2, fi.toBufferedImage(), d2);
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Thread.sleep(500);
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// Step 3: Grayscale
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long t3 = System.nanoTime();
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fi.grayscale();
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long d3 = (System.nanoTime() - t3) / 1_000_000;
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updateStep(3, fi.toBufferedImage(), d3);
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fi.dispose();
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} catch (Exception ex) {
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ex.printStackTrace();
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}
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}).start();
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}
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private void updateStep(int index, BufferedImage img, long ms) {
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SwingUtilities.invokeLater(() -> {
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previewLabels[index].setIcon(new ImageIcon(img.getScaledInstance(300, 200, Image.SCALE_SMOOTH)));
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timeLabels[index].setText(ms + " ms");
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timeLabels[index].setForeground(new Color(0, 200, 255));
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});
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}
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private BufferedImage generateTestImage(int w, int h) {
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BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
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Graphics2D g = img.createGraphics();
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g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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// Complex background
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for (int i = 0; i < 50; i++) {
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g.setColor(new Color((int)(Math.random()*255), (int)(Math.random()*255), (int)(Math.random()*255)));
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g.fillOval((int)(Math.random()*w), (int)(Math.random()*h), 100, 100);
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}
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g.setColor(Color.WHITE);
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g.setFont(new Font("Segoe UI Black", Font.PLAIN, 120));
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g.drawString("PIPELINE TEST", 150, h/2);
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g.dispose();
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return img;
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}
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public static void main(String[] args) {
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SwingUtilities.invokeLater(() -> new PipelineDemo_Bing().setVisible(true));
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}
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}

‎examples/README.md‎

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# 🖼 FastImage Examples
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# FastImage Examples & Demos
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Self-contained example projects demonstrating the power and performance of FastImage.
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This directory contains several projects demonstrating the performance and features of the FastImage library.
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## 📂 Featured Examples
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## Core Demos
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* **[BasicUsage](./BasicUsage)**: Minimal integration example. Start here to learn the core API.
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* **[ResizeDemo](./ResizeDemo)**: Shows high-quality bilinear and bicubic resizing performance.
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* **[BlurGallery](./BlurGallery)**: A visual comparison of all blur algorithms (Gaussian, Stack, Kawase).
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* **[FilterChain](./FilterChain)**: Demonstrates how to chain multiple native operations without returning to the JVM heap.
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* **[VisualEditor](./VisualEditor)**: **Showcase Demo** - A real-time image editor showing SIMD speed in action.
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* **[Benchmark](./Benchmark)**: Side-by-side performance comparison with Java2D.
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- **[Visual Editor](./VisualEditor)**: Interactive real-time editor showing live previews of filters (Brightness, Contrast, Blur, Grayscale).
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- **[Blur Gallery](./BlurGallery)**: Asynchronous performance comparison between Java2D and SIMD-accelerated blurs.
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- **[Resize Demo](./ResizeDemo)**: Shows the difference between various interpolation methods (Bilinear vs Bicubic).
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- **[Basic Usage](./BasicUsage)**: Minimal boilerplate example for integration.
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---
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## Bing Showcase Demos
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## 🚀 Running Examples
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- **[Resize Benchmark](./ResizeBenchmark_Bing)**: Stress-test scaling 4K images to 1080p. Shows parallel progress bars and Ops/s.
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- **[Pipeline Demo](./PipelineDemo_Bing)**: Visualizes a multi-stage chain (Blur -> Contrast -> Grayscale) with per-step timing.
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- **[Batch Processing](./BatchProcessing_Bing)**: Demonstrates off-heap efficiency by processing 100 images in parallel.
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Each example is a standalone Maven project. To run the Visual Editor (Showcase):
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## Running the Demos
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You can run all demos using the root launcher:
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```powershell
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cd examples/VisualEditor
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mvn compile exec:java
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.\run-demo.bat
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```
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> [!NOTE]
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> Ensure you have run `mvn install` in the root directory first so the examples can find the `fastimage` dependency.

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