Files
coze-studio/frontend/packages/workflow/fabric-canvas/src/hooks/use-canvas-clip.tsx
2025-07-31 23:15:48 +08:00

57 lines
1.3 KiB
TypeScript

/*
* Copyright 2025 coze-dev Authors
*
* 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.
*/
import { useCallback } from 'react';
import { Rect, type Canvas } from 'fabric';
import { type FabricSchema } from '../typings';
export const useCanvasClip = ({
canvas,
schema,
}: {
canvas?: Canvas;
schema: FabricSchema;
}) => {
const addClip = useCallback(() => {
if (!canvas) {
return;
}
canvas.clipPath = new Rect({
absolutePositioned: true,
top: 0,
left: 0,
width: schema.width,
height: schema.height,
});
canvas.requestRenderAll();
}, [canvas, schema]);
const removeClip = useCallback(() => {
if (!canvas) {
return;
}
canvas.clipPath = undefined;
canvas.requestRenderAll();
}, [canvas]);
return {
addClip,
removeClip,
};
};