支持加载 WebP 格式的背景图片 (#3457)

* 支持加载 WebP 格式的背景图片

* update

* update

* update

* update

HMCL/build.gradle.kts

@@ -37,6 +37,7 @@ version = "$versionRoot.$buildNumber"
 dependencies {
     implementation(project(":HMCLCore"))
     implementation("libs:JFoenix")
+    implementation("com.twelvemonkeys.imageio:imageio-webp:3.12.0")
 }
 
 fun digest(algorithm: String, bytes: ByteArray): ByteArray = MessageDigest.getInstance(algorithm).digest(bytes)
@@ -110,6 +111,9 @@ tasks.getByName<com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar>("sha
     exclude("**/package-info.class")
     exclude("META-INF/maven/**")
 
+    exclude("META-INF/services/javax.imageio.spi.ImageReaderSpi")
+    exclude("META-INF/services/javax.imageio.spi.ImageInputStreamSpi")
+
     minimize {
         exclude(dependency("com.google.code.gson:.*:.*"))
         exclude(dependency("libs:JFoenix:.*"))

HMCL/src/main/java/org/jackhuang/hmcl/game/HMCLGameRepository.java

@@ -33,6 +33,7 @@ import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.ProxyManager;
 import org.jackhuang.hmcl.setting.VersionIconType;
 import org.jackhuang.hmcl.setting.VersionSetting;
+import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.gson.JsonUtils;
@@ -43,9 +44,7 @@ import org.jackhuang.hmcl.util.versioning.VersionNumber;
 import org.jetbrains.annotations.Nullable;
 
 import java.io.File;
-import java.io.FileInputStream;
 import java.io.IOException;
-import java.io.InputStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.time.Instant;
@@ -261,24 +260,11 @@ public class HMCLGameRepository extends DefaultGameRepository {
     public Optional<File> getVersionIconFile(String id) {
         File root = getVersionRoot(id);
 
-        File iconFile = new File(root, "icon.png");
+        for (String extension : FXUtils.IMAGE_EXTENSIONS) {
-        if (iconFile.exists()) {
+            File file = new File(root, "icon." + extension);
-            return Optional.of(iconFile);
+            if (file.exists()) {
+                return Optional.of(file);
             }
-
-        iconFile = new File(root, "icon.jpg");
-        if (iconFile.exists()) {
-            return Optional.of(iconFile);
-        }
-
-        iconFile = new File(root, "icon.bmp");
-        if (iconFile.exists()) {
-            return Optional.of(iconFile);
-        }
-
-        iconFile = new File(root, "icon.gif");
-        if (iconFile.exists()) {
-            return Optional.of(iconFile);
         }
 
         return Optional.empty();
@@ -286,7 +272,7 @@ public class HMCLGameRepository extends DefaultGameRepository {
 
     public void setVersionIconFile(String id, File iconFile) throws IOException {
         String ext = FileUtils.getExtension(iconFile).toLowerCase(Locale.ROOT);
-        if (!ext.equals("png") && !ext.equals("jpg") && !ext.equals("bmp") && !ext.equals("gif")) {
+        if (!FXUtils.IMAGE_EXTENSIONS.contains(ext)) {
             throw new IllegalArgumentException("Unsupported icon file: " + ext);
         }
 
@@ -297,11 +283,9 @@ public class HMCLGameRepository extends DefaultGameRepository {
 
     public void deleteIconFile(String id) {
         File root = getVersionRoot(id);
-
+        for (String extension : FXUtils.IMAGE_EXTENSIONS) {
-        new File(root, "icon.png").delete();
+            new File(root, "icon." + extension).delete();
-        new File(root, "icon.jpg").delete();
+        }
-        new File(root, "icon.bmp").delete();
-        new File(root, "icon.gif").delete();
     }
 
     public Image getVersionIconImage(String id) {
@@ -315,9 +299,9 @@ public class HMCLGameRepository extends DefaultGameRepository {
             Version version = getVersion(id).resolve(this);
             Optional<File> iconFile = getVersionIconFile(id);
             if (iconFile.isPresent()) {
-                try (InputStream inputStream = new FileInputStream(iconFile.get())) {
+                try {
-                    return new Image(inputStream);
+                    return FXUtils.loadImage(iconFile.get().toPath());
-                } catch (IOException e) {
+                } catch (Exception e) {
                     LOG.warning("Failed to load version icon of " + id, e);
                 }
             }

HMCL/src/main/java/org/jackhuang/hmcl/ui/FXUtils.java

@@ -18,6 +18,7 @@
 package org.jackhuang.hmcl.ui;
 
 import com.jfoenix.controls.*;
+import com.twelvemonkeys.imageio.plugins.webp.WebPImageReaderSpi;
 import javafx.animation.*;
 import javafx.application.Platform;
 import javafx.beans.InvalidationListener;
@@ -44,6 +45,7 @@ import javafx.scene.paint.Color;
 import javafx.scene.shape.Rectangle;
 import javafx.scene.text.Text;
 import javafx.scene.text.TextFlow;
+import javafx.stage.FileChooser;
 import javafx.stage.Stage;
 import javafx.util.Callback;
 import javafx.util.Duration;
@@ -53,11 +55,9 @@ import org.glavo.png.PNGWriter;
 import org.glavo.png.javafx.PNGJavaFXUtils;
 import org.jackhuang.hmcl.task.Task;
 import org.jackhuang.hmcl.ui.animation.AnimationUtils;
-import org.jackhuang.hmcl.util.Holder;
+import org.jackhuang.hmcl.util.*;
-import org.jackhuang.hmcl.util.Lang;
-import org.jackhuang.hmcl.util.ResourceNotFoundError;
-import org.jackhuang.hmcl.util.StringUtils;
 import org.jackhuang.hmcl.util.io.FileUtils;
+import org.jackhuang.hmcl.util.io.NetworkUtils;
 import org.jackhuang.hmcl.util.javafx.ExtendedProperties;
 import org.jackhuang.hmcl.util.javafx.SafeStringConverter;
 import org.jackhuang.hmcl.util.platform.OperatingSystem;
@@ -68,13 +68,15 @@ import org.w3c.dom.NodeList;
 import org.xml.sax.InputSource;
 import org.xml.sax.SAXException;
 
+import javax.imageio.ImageIO;
+import javax.imageio.ImageReader;
+import javax.imageio.stream.ImageInputStream;
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 import java.io.*;
 import java.lang.ref.WeakReference;
-import java.net.URI;
+import java.net.*;
-import java.net.URISyntaxException;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -113,6 +115,10 @@ public final class FXUtils {
 
     public static final String DEFAULT_MONOSPACE_FONT = OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS ? "Consolas" : "Monospace";
 
+    public static final List<String> IMAGE_EXTENSIONS = Lang.immutableListOf(
+            "png", "jpg", "jpeg", "bmp", "gif", "webp"
+    );
+
     private static final Map<String, Image> builtinImageCache = new ConcurrentHashMap<>();
     private static final Map<String, Path> remoteImageCache = new ConcurrentHashMap<>();
 
@@ -713,6 +719,50 @@ public final class FXUtils {
         stage.getIcons().add(newBuiltinImage(icon));
     }
 
+    private static Image loadWebPImage(InputStream input) throws IOException {
+        WebPImageReaderSpi spi = new WebPImageReaderSpi();
+        ImageReader reader = spi.createReaderInstance(null);
+
+        try (ImageInputStream imageInput = ImageIO.createImageInputStream(input)) {
+            reader.setInput(imageInput, true, true);
+            return SwingFXUtils.toFXImage(reader.read(0, reader.getDefaultReadParam()), null);
+        } finally {
+            reader.dispose();
+        }
+    }
+
+    public static Image loadImage(Path path) throws Exception {
+        try (InputStream input = Files.newInputStream(path)) {
+            if ("webp".equalsIgnoreCase(FileUtils.getExtension(path)))
+                return loadWebPImage(input);
+            else {
+                Image image = new Image(input);
+                if (image.isError())
+                    throw image.getException();
+                return image;
+            }
+        }
+    }
+
+    public static Image loadImage(URL url) throws Exception {
+        URLConnection connection = NetworkUtils.createConnection(url);
+        if (connection instanceof HttpURLConnection) {
+            connection = NetworkUtils.resolveConnection((HttpURLConnection) connection);
+        }
+
+        try (InputStream input = connection.getInputStream()) {
+            String path = url.getPath();
+            if (path != null && "webp".equalsIgnoreCase(StringUtils.substringAfterLast(path, '.')))
+                return loadWebPImage(input);
+            else {
+                Image image = new Image(input);
+                if (image.isError())
+                    throw image.getException();
+                return image;
+            }
+        }
+    }
+
     /**
      * Suppress IllegalArgumentException since the url is supposed to be correct definitely.
      *
@@ -1034,4 +1084,9 @@ public final class FXUtils {
 
         return String.format("#%02x%02x%02x", r, g, b);
     }
+
+    public static FileChooser.ExtensionFilter getImageExtensionFilter() {
+        return new FileChooser.ExtensionFilter(i18n("extension.png"),
+                IMAGE_EXTENSIONS.stream().map(ext -> "*." + ext).toArray(String[]::new));
+    }
 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/construct/MultiFileItem.java

@@ -21,7 +21,6 @@ import com.jfoenix.controls.JFXRadioButton;
 import com.jfoenix.controls.JFXTextField;
 import com.jfoenix.validation.base.ValidatorBase;
 import javafx.beans.property.*;
-import javafx.collections.ObservableList;
 import javafx.geometry.Insets;
 import javafx.geometry.Pos;
 import javafx.scene.Node;
@@ -114,6 +113,7 @@ public final class MultiFileItem<T> extends VBox {
     public static class Option<T> {
         protected final String title;
         protected String subtitle;
+        protected String tooltip;
         protected final T data;
         protected final BooleanProperty selected = new SimpleBooleanProperty();
         protected final JFXRadioButton left = new JFXRadioButton();
@@ -140,6 +140,11 @@ public final class MultiFileItem<T> extends VBox {
             return this;
         }
 
+        public Option<T> setTooltip(String tooltip) {
+            this.tooltip = tooltip;
+            return this;
+        }
+
         public boolean isSelected() {
             return left.isSelected();
         }
@@ -161,6 +166,8 @@ public final class MultiFileItem<T> extends VBox {
             BorderPane.setAlignment(left, Pos.CENTER_LEFT);
             left.setToggleGroup(group);
             left.setUserData(data);
+            if (StringUtils.isNotBlank(tooltip))
+                FXUtils.installFastTooltip(left, tooltip);
             pane.setLeft(left);
 
             if (StringUtils.isNotBlank(subtitle)) {
@@ -268,8 +275,9 @@ public final class MultiFileItem<T> extends VBox {
             return this;
         }
 
-        public ObservableList<FileChooser.ExtensionFilter> getExtensionFilters() {
+        public FileOption<T> addExtensionFilter(FileChooser.ExtensionFilter filter) {
-            return selector.getExtensionFilters();
+            selector.getExtensionFilters().add(filter);
+            return this;
         }
 
         @Override

HMCL/src/main/java/org/jackhuang/hmcl/ui/decorator/DecoratorController.java

@@ -49,13 +49,10 @@ import org.jackhuang.hmcl.ui.construct.Navigator;
 import org.jackhuang.hmcl.ui.construct.StackContainerPane;
 import org.jackhuang.hmcl.ui.wizard.Refreshable;
 import org.jackhuang.hmcl.ui.wizard.WizardProvider;
-import org.jackhuang.hmcl.util.io.NetworkUtils;
+import org.jetbrains.annotations.Nullable;
 
 import java.io.IOException;
-import java.io.InputStream;
-import java.net.HttpURLConnection;
 import java.net.URL;
-import java.net.URLConnection;
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.nio.file.Paths;
@@ -180,23 +177,13 @@ public class DecoratorController {
             case CUSTOM:
                 String backgroundImage = config().getBackgroundImage();
                 if (backgroundImage != null)
-                    image = tryLoadImage(Paths.get(backgroundImage)).orElse(null);
+                    image = tryLoadImage(Paths.get(backgroundImage));
                 break;
             case NETWORK:
                 String backgroundImageUrl = config().getBackgroundImageUrl();
                 if (backgroundImageUrl != null) {
                     try {
-                        URLConnection connection = NetworkUtils.createConnection(new URL(backgroundImageUrl));
+                        image = FXUtils.loadImage(new URL(backgroundImageUrl));
-                        if (connection instanceof HttpURLConnection) {
-                            connection = NetworkUtils.resolveConnection((HttpURLConnection) connection);
-                        }
-
-                        try (InputStream input = connection.getInputStream()) {
-                            image = new Image(input);
-                            if (image.isError()) {
-                                throw image.getException();
-                            }
-                        }
                     } catch (Exception e) {
                         LOG.warning("Couldn't load background image", e);
                     }
@@ -218,73 +205,57 @@ public class DecoratorController {
      * Load background image from bg/, background.png, background.jpg, background.gif
      */
     private Image loadDefaultBackgroundImage() {
-        Optional<Image> image = randomImageIn(Paths.get("bg"));
+        Image image = randomImageIn(Paths.get("bg"));
-        if (!image.isPresent()) {
+        if (image != null)
-            image = tryLoadImage(Paths.get("background.png"));
+            return image;
-        }
+
-        if (!image.isPresent()) {
+        for (String extension : FXUtils.IMAGE_EXTENSIONS) {
-            image = tryLoadImage(Paths.get("background.jpg"));
+            image = tryLoadImage(Paths.get("background." + extension));
-        }
+            if (image != null)
-        if (!image.isPresent()) {
+                return image;
-            image = tryLoadImage(Paths.get("background.gif"));
-        }
-        return image.orElseGet(() -> newBuiltinImage("/assets/img/background.jpg"));
         }
 
-    private Optional<Image> randomImageIn(Path imageDir) {
+        return newBuiltinImage("/assets/img/background.jpg");
+    }
+
+    private @Nullable Image randomImageIn(Path imageDir) {
         if (!Files.isDirectory(imageDir)) {
-            return Optional.empty();
+            return null;
         }
 
         List<Path> candidates;
         try (Stream<Path> stream = Files.list(imageDir)) {
             candidates = stream
+                    .filter(it -> FXUtils.IMAGE_EXTENSIONS.contains(getExtension(it).toLowerCase(Locale.ROOT)))
                     .filter(Files::isReadable)
-                    .filter(it -> {
-                        String ext = getExtension(it).toLowerCase(Locale.ROOT);
-                        return ext.equals("png") || ext.equals("jpg") || ext.equals("gif");
-                    })
                     .collect(toList());
         } catch (IOException e) {
             LOG.warning("Failed to list files in ./bg", e);
-            return Optional.empty();
+            return null;
         }
 
         Random rnd = new Random();
-        while (candidates.size() > 0) {
+        while (!candidates.isEmpty()) {
             int selected = rnd.nextInt(candidates.size());
-            Optional<Image> loaded = tryLoadImage(candidates.get(selected));
+            Image loaded = tryLoadImage(candidates.get(selected));
-            if (loaded.isPresent()) {
+            if (loaded != null)
                 return loaded;
-            } else {
+            else
                 candidates.remove(selected);
         }
-        }
+        return null;
-        return Optional.empty();
     }
 
-    private Optional<Image> tryLoadImage(Path path) {
+    private @Nullable Image tryLoadImage(Path path) {
         if (!Files.isReadable(path))
-            return Optional.empty();
+            return null;
 
-        return tryLoadImage(path.toAbsolutePath().toUri().toString());
-    }
-
-    private Optional<Image> tryLoadImage(String url) {
-        Image img;
         try {
-            img = new Image(url);
+            return FXUtils.loadImage(path);
-        } catch (IllegalArgumentException e) {
+        } catch (Exception e) {
             LOG.warning("Couldn't load background image", e);
-            return Optional.empty();
+            return null;
         }
-
-        if (img.getException() != null) {
-            LOG.warning("Couldn't load background image", img.getException());
-            return Optional.empty();
-        }
-
-        return Optional.of(img);
     }
 
     // ==== Navigation ====

HMCL/src/main/java/org/jackhuang/hmcl/ui/export/ExportWizardProvider.java

@@ -29,6 +29,7 @@ import org.jackhuang.hmcl.setting.ConfigHolder;
 import org.jackhuang.hmcl.setting.Profile;
 import org.jackhuang.hmcl.setting.VersionSetting;
 import org.jackhuang.hmcl.task.Task;
+import org.jackhuang.hmcl.ui.FXUtils;
 import org.jackhuang.hmcl.ui.wizard.WizardController;
 import org.jackhuang.hmcl.ui.wizard.WizardProvider;
 import org.jackhuang.hmcl.util.Lang;
@@ -129,17 +130,13 @@ public final class ExportWizardProvider implements WizardProvider {
                     if (bg.isDirectory())
                         zip.putDirectory(bg.toPath(), "bg");
 
-                    File background_png = new File("background.png").getAbsoluteFile();
+                    for (String extension : FXUtils.IMAGE_EXTENSIONS) {
-                    if (background_png.isFile())
+                        String fileName = "background." + extension;
-                        zip.putFile(background_png, "background.png");
 
-                    File background_jpg = new File("background.jpg").getAbsoluteFile();
+                        File background = new File(fileName).getAbsoluteFile();
-                    if (background_jpg.isFile())
+                        if (background.isFile())
-                        zip.putFile(background_jpg, "background.jpg");
+                            zip.putFile(background, "background.png");
-
+                    }
-                    File background_gif = new File("background.gif").getAbsoluteFile();
-                    if (background_gif.isFile())
-                        zip.putFile(background_gif, "background.gif");
 
                     zip.putFile(launcherJar, launcherJar.getFileName().toString());
                 }

HMCL/src/main/java/org/jackhuang/hmcl/ui/main/PersonalizationPage.java

@@ -106,11 +106,13 @@ public class PersonalizationPage extends StackPane {
             backgroundSublist.setHasSubtitle(true);
 
             backgroundItem.loadChildren(Arrays.asList(
-                    new MultiFileItem.Option<>(i18n("launcher.background.default"), EnumBackgroundImage.DEFAULT),
+                    new MultiFileItem.Option<>(i18n("launcher.background.default"), EnumBackgroundImage.DEFAULT)
+                            .setTooltip(i18n("launcher.background.default.tooltip")),
                     new MultiFileItem.Option<>(i18n("launcher.background.classic"), EnumBackgroundImage.CLASSIC),
                     new MultiFileItem.Option<>(i18n("launcher.background.translucent"), EnumBackgroundImage.TRANSLUCENT),
                     new MultiFileItem.FileOption<>(i18n("settings.custom"), EnumBackgroundImage.CUSTOM)
                             .setChooserTitle(i18n("launcher.background.choose"))
+                            .addExtensionFilter(FXUtils.getImageExtensionFilter())
                             .bindBidirectional(config().backgroundImageProperty()),
                     new MultiFileItem.StringOption<>(i18n("launcher.background.network"), EnumBackgroundImage.NETWORK)
                             .setValidators(new URLValidator(true))

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionIconDialog.java

@@ -72,7 +72,7 @@ public class VersionIconDialog extends DialogPane {
 
     private void exploreIcon() {
         FileChooser chooser = new FileChooser();
-        chooser.getExtensionFilters().add(new FileChooser.ExtensionFilter(i18n("extension.png"), "*.png", "*.jpg", "*.bmp", "*.gif"));
+        chooser.getExtensionFilters().add(FXUtils.getImageExtensionFilter());
         File selectedFile = chooser.showOpenDialog(Controllers.getStage());
         if (selectedFile != null) {
             try {

HMCL/src/main/java/org/jackhuang/hmcl/ui/versions/VersionSettingsPage.java

@@ -185,7 +185,7 @@ public final class VersionSettingsPage extends StackPane implements DecoratorPag
             javaCustomOption = new MultiFileItem.FileOption<Pair<JavaVersionType, JavaRuntime>>(i18n("settings.custom"), pair(JavaVersionType.CUSTOM, null))
                     .setChooserTitle(i18n("settings.game.java_directory.choose"));
             if (OperatingSystem.CURRENT_OS == OperatingSystem.WINDOWS)
-                javaCustomOption.getExtensionFilters().add(new FileChooser.ExtensionFilter("Java", "java.exe"));
+                javaCustomOption.addExtensionFilter(new FileChooser.ExtensionFilter("Java", "java.exe"));
 
             javaListChangeListener = FXUtils.onWeakChangeAndOperate(JavaManager.getAllJavaProperty(), allJava -> {
                 List<MultiFileItem.Option<Pair<JavaVersionType, JavaRuntime>>> options = new ArrayList<>();

HMCL/src/main/java/org/jackhuang/hmcl/util/SwingFXUtils.java

@@ -0,0 +1,124 @@
+// Copy from javafx.swing
+/*
+ * Copyright (c) 2012, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.jackhuang.hmcl.util;
+
+import javafx.scene.image.*;
+import javafx.scene.image.Image;
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBufferInt;
+import java.awt.image.SampleModel;
+import java.awt.image.SinglePixelPackedSampleModel;
+import java.nio.IntBuffer;
+
+/**
+ * This class provides utility methods for converting data types between
+ * Swing/AWT and JavaFX formats.
+ *
+ * @since JavaFX 2.2
+ */
+public final class SwingFXUtils {
+    private SwingFXUtils() {
+    }
+
+    /**
+     * Snapshots the specified {@link BufferedImage} and stores a copy of
+     * its pixels into a JavaFX {@link Image} object, creating a new
+     * object if needed.
+     * The returned {@code Image} will be a static snapshot of the state
+     * of the pixels in the {@code BufferedImage} at the time the method
+     * completes.  Further changes to the {@code BufferedImage} will not
+     * be reflected in the {@code Image}.
+     * <p>
+     * The optional JavaFX {@link WritableImage} parameter may be reused
+     * to store the copy of the pixels.
+     * A new {@code Image} will be created if the supplied object is null,
+     * is too small or of a type which the image pixels cannot be easily
+     * converted into.
+     *
+     * @param bimg the {@code BufferedImage} object to be converted
+     * @param wimg an optional {@code WritableImage} object that can be
+     *             used to store the returned pixel data
+     * @return an {@code Image} object representing a snapshot of the
+     * current pixels in the {@code BufferedImage}.
+     * @since JavaFX 2.2
+     */
+    public static WritableImage toFXImage(BufferedImage bimg, WritableImage wimg) {
+        int bw = bimg.getWidth();
+        int bh = bimg.getHeight();
+        switch (bimg.getType()) {
+            case BufferedImage.TYPE_INT_ARGB:
+            case BufferedImage.TYPE_INT_ARGB_PRE:
+                break;
+            default:
+                BufferedImage converted =
+                        new BufferedImage(bw, bh, BufferedImage.TYPE_INT_ARGB_PRE);
+                Graphics2D g2d = converted.createGraphics();
+                g2d.drawImage(bimg, 0, 0, null);
+                g2d.dispose();
+                bimg = converted;
+                break;
+        }
+        // assert(bimg.getType == TYPE_INT_ARGB[_PRE]);
+        if (wimg != null) {
+            int iw = (int) wimg.getWidth();
+            int ih = (int) wimg.getHeight();
+            if (iw < bw || ih < bh) {
+                wimg = null;
+            } else if (bw < iw || bh < ih) {
+                int[] empty = new int[iw];
+                PixelWriter pw = wimg.getPixelWriter();
+                PixelFormat<IntBuffer> pf = PixelFormat.getIntArgbPreInstance();
+                if (bw < iw) {
+                    pw.setPixels(bw, 0, iw - bw, bh, pf, empty, 0, 0);
+                }
+                if (bh < ih) {
+                    pw.setPixels(0, bh, iw, ih - bh, pf, empty, 0, 0);
+                }
+            }
+        }
+        if (wimg == null) {
+            wimg = new WritableImage(bw, bh);
+        }
+        PixelWriter pw = wimg.getPixelWriter();
+        DataBufferInt db = (DataBufferInt) bimg.getRaster().getDataBuffer();
+        int[] data = db.getData();
+        int offset = bimg.getRaster().getDataBuffer().getOffset();
+        int scan = 0;
+        SampleModel sm = bimg.getRaster().getSampleModel();
+        if (sm instanceof SinglePixelPackedSampleModel) {
+            scan = ((SinglePixelPackedSampleModel) sm).getScanlineStride();
+        }
+
+        PixelFormat<IntBuffer> pf = (bimg.isAlphaPremultiplied() ?
+                PixelFormat.getIntArgbPreInstance() :
+                PixelFormat.getIntArgbInstance());
+        pw.setPixels(0, 0, bw, bh, pf, data, offset, scan);
+        return wimg;
+    }
+}
+

HMCL/src/main/resources/assets/lang/I18N.properties

@@ -787,7 +787,8 @@ launcher.agreement.hint=You must agree to the EULA to use this software.
 launcher.background=Background Image
 launcher.background.choose=Choose background image
 launcher.background.classic=Classic
-launcher.background.default=Default (Or "background.png/.jpg/.gif" and the images in the "bg" directory)
+launcher.background.default=Default
+launcher.background.default.tooltip=Or "background.png/.jpg/.gif/.webp" and the images in the "bg" directory
 launcher.background.network=From URL
 launcher.background.translucent=Translucent
 launcher.cache_directory=Cache Directory

HMCL/src/main/resources/assets/lang/I18N_es.properties

@@ -682,7 +682,8 @@ launcher.agreement.hint=Debe aceptar el EULA para utilizar este software.
 launcher.background=Imagen de fondo
 launcher.background.choose=Elige una imagen de fondo
 launcher.background.classic=Clásico
-launcher.background.default=Por defecto (o background.png/jpg/gif, o imágenes en la carpeta bg)
+launcher.background.default=Por defecto
+launcher.background.default.tooltip=o background.png/.jpg/.gif/.webp, o imágenes en la carpeta bg
 launcher.background.network=Desde la URL
 launcher.background.translucent=Translúcido
 launcher.cache_directory=Directorio de la caché

HMCL/src/main/resources/assets/lang/I18N_ja.properties

@@ -535,7 +535,8 @@ launcher.agreement.hint=このソフトウェアを使用するには、EULAに
 launcher.background=背景画像
 launcher.background.classic=クラシック
 launcher.background.choose=背景画像ファイルを選択してください
-launcher.background.default=標準(ランチャーと同じディレクトリにある background.png/jpg/gif と bg フォルダから自動的に画像を取得します。）
+launcher.background.default=標準
+launcher.background.default.tooltip=ランチャーと同じディレクトリにある background.png/.jpg/.gif/.webp と bg フォルダから自動的に画像を取得します。
 launcher.background.network=ネットワーク
 launcher.background.translucent=半透明
 launcher.cache_directory=キャッシュ用のディレクトリ

HMCL/src/main/resources/assets/lang/I18N_ru.properties

@@ -557,7 +557,8 @@ launcher.agreement.hint=Нужно принять пользовательско
 launcher.background=Фоновое изображение
 launcher.background.choose=Выберите фоновое изображение
 launcher.background.classic=Классическое
-launcher.background.default=По умолчанию (или background.png/jpg/gif, или папку с изображениями)
+launcher.background.default=По умолчанию
+launcher.background.default.tooltip=или background.png/.jpg/.gif/.webp, или папку с изображениями
 launcher.background.network=По ссылке
 launcher.background.translucent=Полупрозрачный
 launcher.cache_directory=Папка с кэшем

HMCL/src/main/resources/assets/lang/I18N_zh.properties

@@ -602,7 +602,8 @@ launcher.agreement.hint=同意本軟體的使用者協議與免責宣告以使
 launcher.background=背景圖片
 launcher.background.choose=選取背景圖片
 launcher.background.classic=經典
-launcher.background.default=預設 (自動尋找啟動器同目錄下的「background.png/.jpg/.gif」及「bg」目錄內的圖片)
+launcher.background.default=預設
+launcher.background.default.tooltip=自動尋找啟動器同目錄下的「background.png/.jpg/.gif/.webp」及「bg」目錄內的圖片
 launcher.background.network=網路
 launcher.background.translucent=半透明
 launcher.cache_directory=檔案下載快取目錄

HMCL/src/main/resources/assets/lang/I18N_zh_CN.properties

@@ -613,7 +613,8 @@ launcher.agreement.hint=同意本软件的用户协议与免责声明以使用
 launcher.background=背景图片
 launcher.background.choose=选择背景图片
 launcher.background.classic=经典
-launcher.background.default=默认 (自动检索启动器同文件夹下的“background.png/.jpg/.gif”及“bg”文件夹内的图片)
+launcher.background.default=默认
+launcher.background.default.tooltip=自动检索启动器同文件夹下的“background.png/.jpg/.gif/.webp”及“bg”文件夹内的图片
 launcher.background.network=网络
 launcher.background.translucent=半透明
 launcher.cache_directory=文件下载缓存文件夹