kinetic-slider/dist/cjs/filters/pixelateFilter.cjs

A WebGL-powered kinetic slider component using PIXI.js

'use strict';

var pixiFilters = require('pixi-filters');
var ShaderResourceManager = require('../managers/ShaderResourceManager.cjs');

function createPixelateFilter(config) {
  const shaderManager = ShaderResourceManager.ShaderResourceManager.getInstance();
  let size = config.size || 10;
  if (config.sizeX !== void 0 || config.sizeY !== void 0) {
    const x = config.sizeX ?? 10;
    const y = config.sizeY ?? 10;
    size = [x, y];
  }
  const shaderKey = "pixelate-filter";
  const filter = new pixiFilters.PixelateFilter(size);
  try {
    shaderManager.registerFilter(filter, shaderKey);
  } catch (error) {
    console.warn("Error registering pixelate filter with shader manager:", error);
  }
  const updateIntensity = (intensity) => {
    const normalizedIntensity = Math.max(0, Math.min(10, intensity));
    const pixelSize = 1 + normalizedIntensity * 2.9;
    if (config.primaryProperty === "sizeX") {
      filter.sizeX = pixelSize;
    } else if (config.primaryProperty === "sizeY") {
      filter.sizeY = pixelSize;
    } else {
      filter.size = pixelSize;
    }
  };
  updateIntensity(config.intensity);
  const reset = () => {
    if (config.sizeX !== void 0 || config.sizeY !== void 0) {
      const x = config.sizeX !== void 0 ? config.sizeX : 10;
      const y = config.sizeY !== void 0 ? config.sizeY : 10;
      filter.sizeX = x;
      filter.sizeY = y;
    } else if (config.size !== void 0) {
      filter.size = config.size;
    } else {
      filter.size = 1;
    }
    if (config.intensity !== void 0) {
      updateIntensity(config.intensity);
    }
  };
  const dispose = () => {
    try {
      shaderManager.releaseFilter(filter, shaderKey);
    } catch (error) {
      console.warn("Error releasing pixelate filter shader:", error);
    }
    filter.destroy();
  };
  return { filter, updateIntensity, reset, dispose };
}

exports.createPixelateFilter = createPixelateFilter;
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