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node_modules/autoprefixer/lib/hacks/image-rendering.js 1.63 KB
ce4c83ff   wxy   初始提交
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  (function() {
    var Declaration, ImageRendering,
      extend = function(child, parent) { for (var key in parent) { if (hasProp.call(parent, key)) child[key] = parent[key]; } function ctor() { this.constructor = child; } ctor.prototype = parent.prototype; child.prototype = new ctor(); child.__super__ = parent.prototype; return child; },
      hasProp = {}.hasOwnProperty;
  
    Declaration = require('../declaration');
  
    ImageRendering = (function(superClass) {
      extend(ImageRendering, superClass);
  
      function ImageRendering() {
        return ImageRendering.__super__.constructor.apply(this, arguments);
      }
  
      ImageRendering.names = ['image-rendering', 'interpolation-mode'];
  
      ImageRendering.prototype.check = function(decl) {
        return decl.value === 'pixelated';
      };
  
      ImageRendering.prototype.prefixed = function(prop, prefix) {
        if (prefix === '-ms-') {
          return '-ms-interpolation-mode';
        } else {
          return ImageRendering.__super__.prefixed.apply(this, arguments);
        }
      };
  
      ImageRendering.prototype.set = function(decl, prefix) {
        if (prefix === '-ms-') {
          decl.prop = '-ms-interpolation-mode';
          decl.value = 'nearest-neighbor';
          return decl;
        } else {
          return ImageRendering.__super__.set.apply(this, arguments);
        }
      };
  
      ImageRendering.prototype.normalize = function(prop) {
        return 'image-rendering';
      };
  
      ImageRendering.prototype.process = function(node, result) {
        return ImageRendering.__super__.process.apply(this, arguments);
      };
  
      return ImageRendering;
  
    })(Declaration);
  
    module.exports = ImageRendering;
  
  }).call(this);