Class: Uniword::Accessibility::Rules::ColorUsageRule

Inherits:
AccessibilityRule show all
Defined in:
lib/uniword/accessibility/rules/color_usage_rule.rb

Overview

Color Usage Rule - WCAG 1.4.1 Use of Color

Responsibility: Check that color is not the only means of conveying information Single Responsibility: Color usage validation only

WCAG 1.4.1 Level A: Color must not be the only visual means

Instance Attribute Summary

Attributes inherited from AccessibilityRule

#config, #level, #rule_id, #wcag_criterion

Instance Method Summary collapse

Methods inherited from AccessibilityRule

#enabled?, #initialize

Constructor Details

This class inherits a constructor from Uniword::Accessibility::AccessibilityRule

Instance Method Details

#check(_document) ⇒ Array<AccessibilityViolation>

Check document color usage

Parameters:

  • document (Document) —

    Document to check

Returns:



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# File 'lib/uniword/accessibility/rules/color_usage_rule.rb', line 17

def check(_document)
  []

  # Color usage checking requires analyzing text runs and styles
  # This is a placeholder implementation
  # Actual implementation would check for:
  # - Text colored differently without other indicators
  # - Links that rely only on color
  # - Form elements using only color for errors
end