Method showString

src/text/text-extractor.ts:240–288

* Show a string and extract characters.

(bytes: Uint8Array)

   * Show a string and extract characters.
   */
  private showString(bytes: Uint8Array): void {
    const font = this.state.font;

    if (!font) {
      // No font set - can't decode text
      return;
    }

    // Decode bytes to character codes based on font type
    const codes = this.decodeStringToCodes(bytes, font);

    for (const code of codes) {
      // Get Unicode character from font
      const char = font.toUnicode(code);

      // Skip if we can't decode to Unicode
      if (!char) {
        // Still advance position even if we can't decode
        const width = font.getWidth(code);
        this.state.advanceChar(width, false);
        continue;
      }

      // Get glyph width
      const width = font.getWidth(code);

      // Calculate bounding box
      const bbox = this.state.getCharBbox(width);

      // Create extracted character
      this.chars.push({
        char,
        bbox: {
          x: bbox.x,
          y: bbox.y,
          width: bbox.width,
          height: bbox.height,
        },
        fontSize: this.state.effectiveFontSize,
        fontName: font.baseFontName,
        baseline: bbox.baseline,
        sequenceIndex: this.chars.length,
      });

      // Advance text position
      const isSpace = char === " " || char === "\u00A0"; // Space or non-breaking space
      this.state.advanceChar(width, isSpace);
    }
  }

  /**
   * Decode string bytes to character codes.