pdfkit/tests/visual/text.spec.js

import { runDocTest } from './helpers';

describe('text', function() {
  test('simple text', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.text('Really simple text', 100, 100);
    });
  });

  test('alignment', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.text('Left aligned text', { align: 'left' });
      doc.text('Right aligned text', { align: 'right' });
      doc.text(
        'Justified aligned text - Lorem ipsum dolor sit amet, consectetur adipiscing elit. Etiam in suscipit purus.',
        { align: 'justify' }
      );
    });
  });

  test('soft hyphen', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.text(
        'Text with soft hyphen - Lorem ipsum dolor sit amet, consectetur adipiscing elit. Lo ip\u00ADsum',
        { align: 'justify' }
      );
      doc.text(
        'Text with soft hyphen on the edge - ttttestttestttestttestttestttestttestttestttestttestttes\u00ADtt\u00ADt',
        { align: 'justify' }
      );
    });
  });

  test('decoration', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('blue').text('Here is a link!', 100, 100, {
        link: 'http://google.com/',
        underline: true
      });
      doc.text('Strike', 100, 130, {
        strike: true
      });
      doc.text('Strike', 100, 160, {
        underline: true,
        strike: true
      });
    });
  });

  test('list', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('#000').list(['One', 'Two', 'Three'], 100, 150);
    });
  });

  test('list with line breaks in items', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.list(['Foo\nBar', 'Foo\rBar', 'Foo\r\nBar'], [100, 150]);
    });
  });

  test('list (numbered)', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('#000').list(['One', 'Two', 'Three'], 100, 150, {listType: 'numbered'});
    });
  });

  test('list (lettered)', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('#000').list(['One', 'Two', 'Three'], 100, 150, {listType: 'lettered'});
    });
  });

  test('list with sub-list (unordered)', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('#000').list(['One', ['One.One', 'One.Two'], 'Three'], 100, 150);
    })
  })

  test('list with sub-list (ordered)', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.fillColor('#000').list(['One', ['One.One', 'One.Two'], 'Three'], 100, 150, {listType: 'numbered'});
    })
  })

  test('continued text with OpenType features', function() {
    return runDocTest(function(doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      doc.text('Really simple', 100, 100, {features: ['smcp'], continued: true, lineBreak: false})
      doc.text(' text', {features: [], lineBreak: false});
    });
  });

  test('rotated text', function () {
    let i = 0;
    const cols = [
      '#292f56',
      '#492d73',
      '#8c2f94',
      '#b62d78',
      '#d82d31',
      '#e69541',
      '#ecf157',
      '#acfa70',
    ];
    function randColor() {
      return cols[i++ % cols.length];
    }

    return runDocTest(function (doc) {
      doc.font('tests/fonts/Roboto-Regular.ttf');
      for (let i = -360; i < 360; i += 5) {
        const withLabel = i % 45 === 0;
        const margin = i < 0 ? '            ' : ' ';
        let text = `—————————> ${withLabel ? `${margin}${i}` : ''}`;

        if (withLabel) {
          const bounds = doc.boundsOfString(text, 200, 200, { rotation: i });
          doc
            .save()
            .rect(bounds.x, bounds.y, bounds.width, bounds.height)
            .stroke(randColor())
            .restore();
        }

        doc
          .save()
          .fill(withLabel ? 'red' : 'black')
          .text(text, 200, 200, { rotation: i })
          .restore();
      }
      doc.save().circle(200, 200, 1).fill('blue').restore();
    });
  });
});