Files
squoosh/src/features/processors/resize/shared/index.ts
2020-09-21 13:01:07 +01:00

57 lines
1.5 KiB
TypeScript

/**
* Copyright 2020 Google Inc. 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.
*/
type BrowserResizeMethods =
| 'browser-pixelated'
| 'browser-low'
| 'browser-medium'
| 'browser-high';
type WorkerResizeMethods =
| 'triangle'
| 'catrom'
| 'mitchell'
| 'lanczos3'
| 'hqx';
const workerResizeMethods: WorkerResizeMethods[] = [
'triangle',
'catrom',
'mitchell',
'lanczos3',
'hqx',
];
export type ResizeOptions =
| BrowserResizeOptions
| WorkerResizeOptions
| VectorResizeOptions;
export interface ResizeOptionsCommon {
width: number;
height: number;
fitMethod: 'stretch' | 'contain';
}
export interface BrowserResizeOptions extends ResizeOptionsCommon {
method: BrowserResizeMethods;
}
export interface WorkerResizeOptions extends ResizeOptionsCommon {
method: WorkerResizeMethods;
premultiply: boolean;
linearRGB: boolean;
}
export interface VectorResizeOptions extends ResizeOptionsCommon {
method: 'vector';
}