✨ adding flip node
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33
src/nodes/Canvas2d/Flip.js
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33
src/nodes/Canvas2d/Flip.js
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@@ -0,0 +1,33 @@
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import Canvas2d from './Canvas2d';
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import {createCanvas, mediaSize, paintToCanvas} from '../canvas';
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export default class Flip extends Canvas2d {
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constructor() {
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super('Flip', {
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horizontal: {
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type: 'Boolean',
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default: false,
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},
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vertical: {
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type: 'Boolean',
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default: false,
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},
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}, {});
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this._update();
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}
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async render({image, horizontal, vertical}, canvas, ctx) {
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if (!image) return;
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const horizontalModifier = horizontal ? -1 : 1;
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const verticalModifier = vertical ? -1 : 1;
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const {width, height} = mediaSize(image);
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canvas.width = width;
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canvas.height = height;
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ctx.save();
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ctx.scale(horizontalModifier, verticalModifier);
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ctx.drawImage(image, 0, 0, width * horizontalModifier, height * verticalModifier);
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ctx.restore();
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return canvas;
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}
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}
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@@ -3,6 +3,7 @@ export {default as Webcam} from './Webcam';
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export {default as Resize} from './Canvas2d/Resize';
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export {default as Compose} from './Canvas2d/Compose';
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export {default as Fill} from './Canvas2d/Fill';
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export {default as Flip} from './Canvas2d/Flip';
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// export {default as ImageIdentity} from './Canvas2d/ImageIdentity';
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export {default as Text} from './Canvas2d/Text';
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// WebGL
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