// Using this SDK to access Imagen models is a Preview release and requires opt-in@OptIn(PublicPreviewAPI::class)suspendfuncustomizeImage(){// Initialize the Vertex AI Gemini API backend service// Optionally specify the location to access the model (for example, `us-central1`)valai=Firebase.ai(backend=GenerativeBackend.vertexAI(location="us-central1"))// Create an `ImagenModel` instance with an Imagen "capability" modelvalmodel=ai.imagenModel("imagen-3.0-capability-001")// This example assumes 'referenceImage' is a pre-loaded Bitmap.// In a real app, this might come from the user's device or a URL.valreferenceImage:Bitmap=TODO("Load your reference image Bitmap here")// Define the style reference using the reference image.valstyleReference=ImagenStyleReference(image=referenceImage,referenceID=1,description="Van Gogh style")// Provide a prompt that describes the final image.// The "[1]" links the prompt to the style reference with ID 1.valprompt="A cat flying through outer space, in the Van Gogh style[1]"// Use the editImage API to perform the style customization.// Pass the list of references, the prompt, and an editing configuration.valeditedImage=model.editImage(references=listOf(styleReference),prompt=prompt,config=ImagenEditingConfig(editSteps=50// Number of editing steps, a higher value can improve quality))// Process the result}

// Initialize the Vertex AI Gemini API backend service// Optionally specify the location to access the model (for example, `us-central1`)// Create an `ImagenModel` instance with an Imagen "capability" modelImagenModelimagenModel=FirebaseAI.getInstance(GenerativeBackend.vertexAI("us-central1")).imagenModel(/* modelName */"imagen-3.0-capability-001");ImagenModelFuturesmodel=ImagenModelFutures.from(imagenModel);// This example assumes 'referenceImage' is a pre-loaded Bitmap.// In a real app, this might come from the user's device or a URL.BitmapreferenceImage=null;// TODO("Load your image Bitmap here");// Define the style reference using the reference image.ImagenStyleReferencesubjectReference=newImagenStyleReference.Builder().setImage(referenceImage).setReferenceID(1).setDescription("Van Gogh style").build();// Provide a prompt that describes the final image.// The "[1]" links the prompt to the style reference with ID 1.Stringprompt="A cat flying through outer space, in the Van Gogh style[1]";// Define the editing configuration.ImagenEditingConfigimagenEditingConfig=newImagenEditingConfig.Builder().setEditSteps(50)// Number of editing steps, a higher value can improve quality.build();// Use the editImage API to perform the style customization.// Pass the list of references, the prompt, and the editing configuration.Futures.addCallback(model.editImage(Collections.singletonList(styleReference),prompt,imagenEditingConfig),newFutureCallback<ImagenGenerationResponse>(){@OverridepublicvoidonSuccess(ImagenGenerationResponseresult){if(result.getImages().isEmpty()){Log.d("TAG","No images generated");}Bitmapbitmap=result.getImages().get(0).asBitmap();// Use the bitmap to display the image in your UI}@OverridepublicvoidonFailure(Throwablet){// ...}},Executors.newSingleThreadExecutor());

import'dart:typed_data';import'package:firebase_ai/firebase_ai.dart';import'package:firebase_core/firebase_core.dart';import'firebase_options.dart';// Initialize FirebaseAppawaitFirebase.initializeApp(options:DefaultFirebaseOptions.currentPlatform,);// Initialize the Vertex AI Gemini API backend service// Optionally specify a location to access the model (for example, `us-central1`)finalai=FirebaseAI.vertexAI(location:'us-central1');// Create an `ImagenModel` instance with an Imagen "capability" modelfinalmodel=ai.imagenModel(model:'imagen-3.0-capability-001');// This example assumes 'referenceImage' is a pre-loaded Uint8List.// In a real app, this might come from the user's device or a URL.finalUint8ListreferenceImage=Uint8List(0);// TODO: Load your reference image data here// Define the style reference using the reference image.finalstyleReference=ImagenStyleReference(image:referenceImage,referenceId:1,description:'Van Gogh style',);// Provide a prompt that describes the final image.// The "[1]" links the prompt to the style reference with ID 1.finalprompt="A cat flying through outer space, in the Van Gogh style[1]";try{// Use the editImage API to perform the style customization.// Pass the list of references, the prompt, and an editing configuration.finalresponse=awaitmodel.editImage([styleReference],prompt,config:ImagenEditingConfig(editSteps:50,// Number of editing steps, a higher value can improve quality),);// Process the result.if(response.images.isNotEmpty){finaleditedImage=response.images.first.bytes;// Use the editedImage (a Uint8List) to display the image, save it, etc.print('Image successfully generated!');}else{// Handle the case where no images were generated.print('Error: No images were generated.');}}catch(e){// Handle any potential errors during the API call.print('An error occurred:$e');}