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An Android transformation library providing a variety of image transformations for Coil, Glide, Picasso, and Fresco.

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wasabeef/transformers

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What is Transformers?

An Android transformation library providing a variety of image transformations for Coil, Glide, Picasso, and Fresco.


Part of the sample


Glide Transformations, Picasso Transformations, Fresco Processors are deprecated.
Development will stop soon.. For an up-to-date version, please use this.

Installation

Requirements

  • Android 5.0+ Lollipop (API level 21)

Gradle settings

repositories {
  mavenCentral()
}

This Transformer is NOT using android.support.v8.rendererscript because librs.so make the APK file too big.

For Coil

dependencies {
  implementation 'jp.wasabeef.transformers:coil:1.0.6'
  // Use the GPU Filters 
  implementation 'jp.wasabeef.transformers:coil-gpu:1.0.6'
}
imageView.load(IMAGE_URL) {
  transformations(
    CropCenterTransformation(),
    RoundedCornersTransformation(radius = 120, cornerType = CornerType.DIAGONAL_FROM_TOP_LEFT)
  )
}

For Glide

dependencies {
  implementation 'jp.wasabeef.transformers:glide:1.0.6'
  // Use the GPU Filters 
  implementation 'jp.wasabeef.transformers:glide-gpu:1.0.6'
}
Glide.with(context)
  .load(IMAGE_URL)
  .apply(
    bitmapTransform(
      MultiTransformation(
        CropCenterTransformation(),
        BlurTransformation(context, 15, sampling = 1)
      )
    )
  ).into(imageView)

For Picasso

dependencies {
  implementation 'jp.wasabeef.transformers:picasso:1.0.6'
  // Use the GPU Filters 
  implementation 'jp.wasabeef.transformers:picasso-gpu:1.0.6'
}
Picasso.get()
  .load(IMAGE_URL)
  .fit().centerInside()
  .transform(
    mutableListOf(
      CropCenterTransformation(),
      BlurTransformation(context, 25, sampling = 4)
    )
  ).into(imageView)

For Fresco

dependencies {
  implementation 'jp.wasabeef.transformers:fresco:1.0.6'
  // Use the GPU Filters 
  implementation 'jp.wasabeef.transformers:fresco-gpu:1.0.6'
}
val request: ImageRequest =
  ImageRequestBuilder.newBuilderWithSource(IMAGE_URL.toUri())
  .setPostprocessor(BlurPostprocessor(context, 25, 4))
  .build()

holder.image.controller = Fresco.newDraweeControllerBuilder()
  .setImageRequest(request)
  .setOldController(draweeView.controller)
  .build()

With Jetpack Compose

Use Composable Images when using with Jetpack Compose.

GlideImage(
  model = IMAGE_URL,
  modifier = Modifier.preferredWidth(120.dp),
  options = RequestOptions().transform(
    BlurTransformation(context, radius = 25, sampling = 4)
  )
)

Sample transformations

Original Mask NinePatchMask CropTop
CropCenter CropBottom CropCenterRatio16x9 CropCenterRatio4x3
CropTopRatio16x9 CropBottomRatio4x3 CropSquare CropCircle
CropCircleWithBorder ColorFilter Grayscale RoundedCorners
RoundedCornersTopLeft RSGaussianBlurLight RSGaussianBlurDeep StackBlurLight
StackBlurDeep

coil, glide, picasso

  • BlurTransformation
  • ColorFilterTransformation
  • CropCenterBottomTransformation
  • CropCenterTopTransformation
  • CropCenterTransformation
  • CropCircleTransformation
  • CropCircleWithBorderTransformation
  • CropSquareTransformation
  • CropTransformation
  • GrayscaleTransformation
  • MaskTransformation
  • RoundedCornersTransformation

fresco

  • BlurPostprocessor
  • ColorFilterPostprocessor
  • CombinePostProcessors
  • GrayscalePostprocessor
  • MaskPostprocessor

Sample transformations with GPUImage

We recommend that you have a ToneCurve file, as you can apply any filters you like.

Original Sepia Contrast Invert
PixelLight PixelDeep Sketch Swirl
Brightness Kuawahara Vignette ZoomBlur
WhiteBalance Halftone Sharpness Toon
ToneCurve

coil-gpu, glide-gpu, picasso-gpu

  • BrightnessFilterTransformation
  • ContrastFilterTransformation
  • HalftoneFilterTransformation
  • InvertFilterTransformation
  • KuwaharaFilterTransformation
  • PixelationFilterTransformation
  • SepiaFilterTransformation
  • SharpenFilterTransformation
  • SketchFilterTransformation
  • SwirlFilterTransformation
  • ToneCurveFilterTransformation
  • ToonFilterTransformation
  • VignetteFilterTransformation
  • WhiteBalanceFilterTransformation
  • ZoomBlurFilterTransformation

fresco-gpu

  • BrightnessFilterPostprocessor
  • ContrastFilterPostprocessor
  • HalftoneFilterPostprocessor
  • InvertFilterPostprocessor
  • KuwaharaFilterPostprocessor
  • PixelationFilterPostprocessor
  • SepiaFilterPostprocessor
  • SharpenFilterPostprocessor
  • SketchFilterPostprocessor
  • SwirlFilterPostprocessor
  • ToneCurveFilterPostprocessor
  • ToonFilterPostprocessor
  • VignetteFilterPostprocessor
  • WhiteBalanceFilterPostprocessor
  • ZoomBlurFilterPostprocessor

Development

Setup

Things you will need

$ npm install

Build

$ ./gradlew assemble

Formatting

$ ./gradlew ktlint

Publishing to Maven Central

$ ./gradlew :core:clean :core:build :core:publish
....
....

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An Android transformation library providing a variety of image transformations for Coil, Glide, Picasso, and Fresco.

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