// Copyright 2016 Google 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.

// Author: huibao@google.com (Huibao Lin)
// Protobufs for storing options and dimensions for image optimization.

syntax = "proto2";

option optimize_for = LITE_RUNTIME;
/*
*/

package pagespeed.image_compression;

message ImageOptions {
  optional bool allow_png = 1 [ default = true ];
  optional bool allow_jpeg = 2 [ default = true ];
  optional bool allow_webp_lossy = 3 [ default = true ];
  optional bool allow_webp_lossless_or_alpha = 4 [ default = false ];
  optional bool allow_webp_animated = 5 [ default = false ];
  optional bool allow_convert_lossless_to_lossy = 6 [ default = false ];
  optional bool must_reduce_bytes = 7 [ default = true ];
  optional int32 max_jpeg_quality = 8 [ default = 85 ];
  optional int32 max_webp_quality = 9 [ default = 85 ];
  optional int32 max_webp_animated_quality = 10 [ default = 85 ];
  optional int32 max_timeout_ms = 11 [ default = -1 ];
  // When |try_best_compression_for_png| is set to true, the optimizer uses
  // multiple methods, including the expensive ones, for encoding PNG images.
  // The smallest output from all methods will be returned.
  optional bool try_best_compression_for_png = 12 [ default = true ];
}

message ImageDimensions {
  optional int32 width = 1;
  optional int32 height = 2;
}