mirror of
https://github.com/igorski/bitmappery.git
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630ba35b40
* Restructure and rename actor/renderers * Rename cache flushing functions to reflect their scope * Move canvas instance management to dedicated service * Type resize-canvas-window Vue file
61 lines
2.3 KiB
TypeScript
61 lines
2.3 KiB
TypeScript
/**
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* The MIT License (MIT)
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*
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* Igor Zinken 2021 - https://www.igorski.nl
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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import type { Layer, Filters, Text } from "@/definitions/document";
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export type RenderCache = {
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text?: Text;
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textBitmap?: HTMLCanvasElement;
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filters?: Filters;
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filterData?: ImageData;
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};
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const layerCache: Map<string, RenderCache> = new Map();
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export const getLayerCache = ( layer: Layer ): RenderCache => layerCache.get( layer.id );
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export const setLayerCache = ( layer: Layer, props: RenderCache ): void => {
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const cache = getLayerCache( layer ) ?? {};
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layerCache.set( layer.id, { ...cache, ...props });
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};
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export const hasLayerCache = ( layer: Layer ): boolean => layerCache.has( layer.id );
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export const clearCacheProperty = ( layer: Layer, propertyName: string ): void => {
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const cache = getLayerCache( layer );
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// @ts-expect-error using string as key
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if ( cache?.[ propertyName ] ) {
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// @ts-expect-error using string as key
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delete cache[ propertyName ];
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}
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};
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export const flushLayerCache = ( layer: Layer ): void => {
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//console.info( "flushing bitmap cache for layer " + layer.id );
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layerCache.delete( layer.id );
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};
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export const flushBitmapCache = (): void => {
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//console.info( "flushing bitmap cache" );
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layerCache.clear();
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};
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