Implement a Java/Kotlin client.

Sources/StableDiffusionControl/main.swift

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+import Foundation
+import GRPC
+import NIO
+import StableDiffusionProtos
+import System
+
+let client = try StableDiffusionClient(connectionTarget: .host("127.0.0.1", port: 4546), transportSecurity: .plaintext)
+
+Task { @MainActor in
+    do {
+        let modelListResponse = try await client.modelService.listModels(.init())
+        print("Loading model...")
+        let modelInfo = modelListResponse.models.first { $0.name == "anything-4.5" }!
+        _ = try await client.modelService.loadModel(.with { request in
+            request.modelName = modelInfo.name
+        })
+        print("Loaded model.")
+
+        print("Generating image...")
+        let request = SdGenerateImagesRequest.with {
+            $0.modelName = modelInfo.name
+            $0.prompt = "cat"
+            $0.imageCount = 1
+        }
+
+        let response = try await client.imageGenerationService.generateImage(request)
+        let image = response.images.first!
+        try image.content.write(to: URL(filePath: "output.png"))
+        print("Generated image to output.png")
+        exit(0)
+    } catch {
+        print(error)
+        exit(1)
+    }
+}
+
+dispatchMain()