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Better resize methods (#498)

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* Port resize to wasm

* Expose resize algorithms

* Lanczos3 working!

* lol copy paste

* Adding support for other resizers

* Don’t track generated README

* Cache wasm instance
This commit is contained in:
Jake Archibald
2019-03-06 17:20:25 +00:00
committed by GitHub
parent 8c35c3cdaa
commit 9e5b66d5f4
27 changed files with 435 additions and 60 deletions
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15
src/codecs/resize/processor-meta.ts
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@@ -1,14 +1,19 @@
type BitmapResizeMethods = 'browser-pixelated' | 'browser-low' | 'browser-medium' | 'browser-high';
type BrowserResizeMethods = 'browser-pixelated' | 'browser-low' | 'browser-medium' | 'browser-high';
type WorkerResizeMethods = 'point' | 'triangle' | 'catrom' | 'mitchell' | 'lanczos3';
export interface ResizeOptions {
width: number;
height: number;
method: 'vector' | BitmapResizeMethods;
method: 'vector' | BrowserResizeMethods | WorkerResizeMethods;
fitMethod: 'stretch' | 'contain';
}
export interface BitmapResizeOptions extends ResizeOptions {
method: BitmapResizeMethods;
export interface BrowserResizeOptions extends ResizeOptions {
method: BrowserResizeMethods;
}
export interface WorkerResizeOptions extends ResizeOptions {
method: WorkerResizeMethods;
}
export interface VectorResizeOptions extends ResizeOptions {
@@ -21,6 +26,6 @@ export const defaultOptions: ResizeOptions = {
width: 1,
height: 1,
// This will be set to 'vector' if the input is SVG.
method: 'browser-high',
method: 'lanczos3',
fitMethod: 'stretch',
};