drawFrame static method

Implementation

static void drawFrame(
  pw.Context context,
  PdfPageFormat pageFormat, {
  required String projectTitle,
  required String clientName,
  required String engineerName,
  String sheetNumber = "1 de 1",
  String scale = "S/E",
}) {
  final canvas = context.canvas;

  // 1. Define Margins (20mm Left, 10mm others) based on A3/A4
  // 1mm ~ 2.835 points
  const double mm = PdfPageFormat.mm;
  const double leftMargin = 20 * mm;
  const double otherMargin = 10 * mm;

  final double width = pageFormat.width;
  final double height = pageFormat.height;

  final double drawWidth = width - leftMargin - otherMargin;
  final double drawHeight = height - (otherMargin * 2);

  // Frame Outline
  canvas.setColor(PdfColors.black);
  canvas.setLineWidth(
      1.0); // 0.5mm is roughly 1.4pt, lets use 1.0 for visible frame
  canvas.drawRect(leftMargin, otherMargin, drawWidth, drawHeight);
  canvas.strokePath();

  // 2. Coordinate Grid (Optional but requested)
  // 1-8 Horizontal, A-F Vertical
  _drawGridMarks(canvas, leftMargin, otherMargin, drawWidth, drawHeight);

  // 3. Title Block (Cajetín) - Bottom Right fixed size
  // 180mm width standard for title blocks? Or adhere to space.
  // Let's make it 190mm wide x 30mm high approx.
  const double tbWidth = 190 * mm;
  const double tbHeight = 35 * mm;

  final double tbX = width - otherMargin - tbWidth;
  const double tbY = otherMargin;

  _drawTitleBlock(canvas, tbX, tbY, tbWidth, tbHeight, projectTitle,
      clientName, engineerName, sheetNumber, scale);
}