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// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module data_decoder.mojom;
import "mojo/common/time.mojom";
import "skia/public/interfaces/bitmap.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
enum ImageCodec {
DEFAULT,
ROBUST_JPEG,
ROBUST_PNG,
};
struct AnimationFrame {
skia.mojom.Bitmap bitmap;
mojo.common.mojom.TimeDelta duration;
};
interface ImageDecoder {
// Decodes image data to a raw skia bitmap.
//
// If the total size of the decoded image data in bytes exceeds
// |max_size_in_bytes| and |shrink_to_fit| is true, the image is halved
// successively until its total size no longer exceeds |max_size_in_bytes|.
//
// If the total size of the decoded image data in bytes exceeds
// |max_size_in_bytes| and |shrink_to_fit| is false, this is treated as a
// decoding failure and the |decoded_image| response is null.
DecodeImage(array<uint8> encoded_data, ImageCodec codec, bool shrink_to_fit,
int64 max_size_in_bytes, gfx.mojom.Size desired_image_frame_size)
=> (skia.mojom.Bitmap? decoded_image);
// Decodes the image in |encoded_data|. This will return all frames in the
// image and assumes it is an animation (instead of say, a multi-sized image).
//
// If the total size of the decoded image data in bytes exceeds
// |max_size_in_bytes| and |shrink_to_fit| is true, the image is halved
// successively until its total size no longer exceeds |max_size_in_bytes|.
//
// If the total size of the decoded image data in bytes exceeds
// |max_size_in_bytes| and |shrink_to_fit| is false, this is treated as a
// decoding failure and the |decoded_image| response is null.
DecodeAnimation(array<uint8> encoded_data, bool shrink_to_fit,
int64 max_size_in_bytes)
=> (array<AnimationFrame> decoded_image);
};
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