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

A WebGL-powered kinetic slider component using PIXI.js

'use strict';

var pixi_js = require('pixi.js');
var ShaderResourceManager = require('../managers/ShaderResourceManager.cjs');

const shaderManager = ShaderResourceManager.ShaderResourceManager.getInstance();
function createBlurFilter(config) {
  const filter = new pixi_js.BlurFilter({
    strength: config.intensity ? config.intensity * 10 : 8,
    strengthX: config.strengthX ? config.strengthX * 10 : void 0,
    strengthY: config.strengthY ? config.strengthY * 10 : void 0,
    quality: config.quality ?? 4,
    kernelSize: config.kernelSize ?? 5,
    resolution: config.resolution ?? 1
  });
  if (config.strengthX !== void 0) {
    filter.strengthX = config.strengthX;
  }
  if (config.strengthY !== void 0) {
    filter.strengthY = config.strengthY;
  }
  if (config.repeatEdgePixels !== void 0) {
    filter.repeatEdgePixels = config.repeatEdgePixels;
  }
  const shaderKey = `blur-${config.quality || 4}-${config.kernelSize || 5}-${config.resolution || 1}`;
  try {
    shaderManager.getShaderProgram(shaderKey, filter);
  } catch (error) {
    console.warn("Failed to register blur filter with shader manager:", error);
  }
  const updateIntensity = (intensity) => {
    filter.strength = intensity * 10;
    filter.strengthX = config.strengthX ? config.strengthX * 10 : filter.strength;
    filter.strengthY = config.strengthY ? config.strengthY * 10 : filter.strength;
  };
  updateIntensity(config.intensity);
  const reset = () => {
    filter.strength = 0;
    filter.strengthX = 0;
    filter.strengthY = 0;
  };
  const dispose = () => {
    try {
      shaderManager.releaseShader(shaderKey);
    } catch (error) {
      console.warn("Failed to release blur filter shader:", error);
    }
    if (filter.destroy) {
      filter.destroy();
    }
  };
  const result = {
    filter,
    updateIntensity,
    reset,
    dispose
  };
  return result;
}

exports.createBlurFilter = createBlurFilter;
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