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cats-oss / android-gpuimage

Android filters based on OpenGL (idea from GPUImage for iOS)
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android gpuimage java opengl

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GPUImage for Android

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Idea from: iOS GPUImage framework

Goal is to have something as similar to GPUImage as possible. Vertex and fragment shaders are exactly the same. That way it makes it easier to port filters from GPUImage iOS to Android.

Requirements

Usage

Gradle dependency

repositories {
    mavenCentral()
}

dependencies {
    implementation 'jp.co.cyberagent.android:gpuimage:2.x.x'
}

Sample Code

With preview:

Java:

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity);

    Uri imageUri = ...;
    gpuImage = new GPUImage(this);
    gpuImage.setGLSurfaceView((GLSurfaceView) findViewById(R.id.surfaceView));
    gpuImage.setImage(imageUri); // this loads image on the current thread, should be run in a thread
    gpuImage.setFilter(new GPUImageSepiaFilter());

    // Later when image should be saved saved:
    gpuImage.saveToPictures("GPUImage", "ImageWithFilter.jpg", null);
}

Kotlin:

public override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_gallery)

    val imageUri: Uri = ...
    gpuImage = GPUImage(this)
    gpuImage.setGLSurfaceView(findViewById<GLSurfaceView>(R.id.surfaceView))
    gpuImage.setImage(imageUri) // this loads image on the current thread, should be run in a thread
    gpuImage.setFilter(GPUImageSepiaFilter())

    // Later when image should be saved saved:
    gpuImage.saveToPictures("GPUImage", "ImageWithFilter.jpg", null)
}

Using GPUImageView

<jp.co.cyberagent.android.gpuimage.GPUImageView
    android:id="@+id/gpuimageview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:gpuimage_show_loading="false"
    app:gpuimage_surface_type="texture_view" /> <!-- surface_view or texture_view -->

Java:

@Override
public void onCreate(final Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity);

    Uri imageUri = ...;
    gpuImageView = findViewById(R.id.gpuimageview);
    gpuImageView.setImage(imageUri); // this loads image on the current thread, should be run in a thread
    gpuImageView.setFilter(new GPUImageSepiaFilter());

    // Later when image should be saved saved:
    gpuImageView.saveToPictures("GPUImage", "ImageWithFilter.jpg", null);
}

Kotlin:

public override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_gallery)

    val imageUri: Uri = ...
    gpuImageView = findViewById<GPUImageView>(R.id.gpuimageview)
    gpuImageView.setImage(imageUri) // this loads image on the current thread, should be run in a thread
    gpuImageView.setFilter(GPUImageSepiaFilter())

    // Later when image should be saved saved:
    gpuImageView.saveToPictures("GPUImage", "ImageWithFilter.jpg", null)
}

Without preview:

Java:

public void onCreate(final Bundle savedInstanceState) {
    public void onCreate(final Bundle savedInstanceState) {
    Uri imageUri = ...;
    gpuImage = new GPUImage(context);
    gpuImage.setFilter(new GPUImageSobelEdgeDetection());
    gpuImage.setImage(imageUri);
    gpuImage.saveToPictures("GPUImage", "ImageWithFilter.jpg", null);
}

Kotlin:

public override fun onCreate(savedInstanceState: Bundle?) {
    super.onCreate(savedInstanceState)
    setContentView(R.layout.activity_gallery)
    val imageUri: Uri = ...
    gpuImage = GPUImage(this)
    gpuImage.setFilter(GPUImageSepiaFilter())
    gpuImage.setImage(imageUri)
    gpuImage.saveToPictures("GPUImage", "ImageWithFilter.jpg", null)
}

Support status of GPUImage for iOS shaders

Others

Gradle

Make sure that you run the clean target when using maven.

gradle clean assemble

License

Copyright 2018 CyberAgent, Inc.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.