Refactored app to include all the ink.js typography.

2025-04-01 22:43:19 +00:00
parent 89b8cf8311
commit 53f9eb9265
16 changed files with 3940 additions and 858 deletions
@@ -0,0 +1,49 @@
+/**
+ * ParagraphLayout Module
+ * Interfaces with the Knuth-Plass line breaking algorithm to calculate optimal line breaks.
+ */
+export class ParagraphLayout {
+    /**
+     * Create a new ParagraphLayout
+     * @param {Function} kapAlgorithm - The Knuth and Plass algorithm function
+     * @param {Function} measureTextFunc - Function to measure text width
+     */
+    constructor(kapAlgorithm, measureTextFunc) {
+        this.kapAlgorithm = kapAlgorithm;
+        this.measureText = measureTextFunc;
+    }
+
+    /**
+     * Calculate layout for a paragraph
+     * @param {string} processedText - The pre-processed text (with SmartyPants and hyphenation)
+     * @param {Array<number>} measures - Array of line width measurements
+     * @param {boolean} debug - Whether to enable debug output
+     * @param {Function} [measureFunc] - Optional specific measurement function for this call
+     * @returns {Object} Layout data with nodes and breaks
+     */
+    calculateLayout(processedText, measures, hyphenate = false, measureFunc = null) {
+        const measure = measureFunc || this.measureText; // Use provided func or fallback to instance default
+        if (typeof measure !== 'function') {
+            console.error("ParagraphLayout: Invalid measure function provided or stored.");
+            // Return a dummy layout or throw an error?
+            return { nodes: [], breaks: [] }; // Return empty layout
+        }
+        return this.kapAlgorithm(processedText, measure, measures, hyphenate);
+    }
+
+    /**
+     * Set a new text measurement function
+     * @param {Function} measureFunc - The new measurement function
+     */
+    setMeasureFunction(measureFunc) {
+        this.measureText = measureFunc;
+    }
+
+    /**
+     * Set a new Knuth and Plass algorithm implementation
+     * @param {Function} kapFunc - The new KAP algorithm function
+     */
+    setKapAlgorithm(kapFunc) {
+        this.kapAlgorithm = kapFunc;
+    }
+}