Move ImagePreprocessing to "processors" folder.

PiperOrigin-RevId: 490444821

mediapipe/tasks/cc/components/processors/proto/BUILD

@@ -49,3 +49,13 @@ mediapipe_proto_library(
         "//mediapipe/tasks/cc/components/calculators:tensors_to_embeddings_calculator_proto",
     ],
 )
+
+mediapipe_proto_library(
+    name = "image_preprocessing_graph_options_proto",
+    srcs = ["image_preprocessing_graph_options.proto"],
+    deps = [
+        "//mediapipe/calculators/tensor:image_to_tensor_calculator_proto",
+        "//mediapipe/framework:calculator_options_proto",
+        "//mediapipe/framework:calculator_proto",
+    ],
+)

mediapipe/tasks/cc/components/processors/proto/image_preprocessing_graph_options.proto

@@ -0,0 +1,40 @@
+/* Copyright 2022 The MediaPipe Authors. All Rights Reserved.
+
+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.
+==============================================================================*/
+
+syntax = "proto2";
+
+package mediapipe.tasks.components.processors.proto;
+
+import "mediapipe/calculators/tensor/image_to_tensor_calculator.proto";
+import "mediapipe/framework/calculator.proto";
+
+message ImagePreprocessingGraphOptions {
+  extend mediapipe.CalculatorOptions {
+    optional ImagePreprocessingGraphOptions ext = 456882436;
+  }
+
+  // Options for the ImageToTensor calculator encapsulated by the
+  // ImagePreprocessing subgraph.
+  optional mediapipe.ImageToTensorCalculatorOptions image_to_tensor_options = 1;
+
+  // The required image processing backend type. If not specified or set to
+  // default, use the backend that the input image data is already on.
+  enum Backend {
+    DEFAULT = 0;
+    CPU_BACKEND = 1;
+    GPU_BACKEND = 2;
+  }
+  optional Backend backend = 2 [default = DEFAULT];
+}