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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 01:47:29 +0000 |
commit | 0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch) | |
tree | a31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java | |
parent | Initial commit. (diff) | |
download | firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip |
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java')
-rw-r--r-- | mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java new file mode 100644 index 0000000000..4ab330f182 --- /dev/null +++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/util/ImageDecoder.java @@ -0,0 +1,88 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +package org.mozilla.gecko.util; + +import android.graphics.Bitmap; +import androidx.annotation.AnyThread; +import androidx.annotation.NonNull; +import org.mozilla.gecko.GeckoThread; +import org.mozilla.gecko.annotation.WrapForJNI; +import org.mozilla.geckoview.GeckoResult; + +/** Provides access to Gecko's Image processing library. */ +@AnyThread +public class ImageDecoder { + private static ImageDecoder instance; + + private ImageDecoder() {} + + public static ImageDecoder instance() { + if (instance == null) { + instance = new ImageDecoder(); + } + + return instance; + } + + @WrapForJNI(dispatchTo = "gecko", stubName = "Decode") + private static native void nativeDecode( + final String uri, final int desiredLength, GeckoResult<Bitmap> result); + + /** + * Fetches and decodes an image at the specified location. This method supports SVG, PNG, Bitmap + * and other formats supported by Gecko. + * + * @param uri location of the image. Can be either a remote https:// location, file:/// if the + * file is local or a resource://android/ if the file is located inside the APK. + * <p>e.g. if the image file is locate at /assets/test.png inside the apk, set the uri to + * resource://android/assets/test.png. + * @return A {@link GeckoResult} to the decoded image. + */ + @NonNull + public GeckoResult<Bitmap> decode(final @NonNull String uri) { + return decode(uri, 0); + } + + /** + * Fetches and decodes an image at the specified location and resizes it to the desired length. + * This method supports SVG, PNG, Bitmap and other formats supported by Gecko. + * + * <p>Note: The final size might differ slightly from the requested output. + * + * @param uri location of the image. Can be either a remote https:// location, file:/// if the + * file is local or a resource://android/ if the file is located inside the APK. + * <p>e.g. if the image file is locate at /assets/test.png inside the apk, set the uri to + * resource://android/assets/test.png. + * @param desiredLength Longest size for the image in device pixel units. The resulting image + * might be slightly different if the image cannot be resized efficiently. If desiredLength is + * 0 then the image will be decoded to its natural size. + * @return A {@link GeckoResult} to the decoded image. + */ + @NonNull + public GeckoResult<Bitmap> decode(final @NonNull String uri, final int desiredLength) { + if (uri == null) { + throw new IllegalArgumentException("Uri cannot be null"); + } + + final GeckoResult<Bitmap> result = new GeckoResult<>(); + + if (GeckoThread.isStateAtLeast(GeckoThread.State.PROFILE_READY)) { + nativeDecode(uri, desiredLength, result); + } else { + GeckoThread.queueNativeCallUntil( + GeckoThread.State.PROFILE_READY, + this, + "nativeDecode", + String.class, + uri, + int.class, + desiredLength, + GeckoResult.class, + result); + } + + return result; + } +} |