rodydavis/open_xml/open-xml-pptx

import 'package:open_xml/open_xml.dart';
import 'package:file/local.dart';
 
Future<void> main() async {
  const fs = LocalFileSystem();
  final pres = await Presentation.create(fs);
  
  // Add a slide
  final slide = pres.addSlide();
  
  await pres.save(fs.file('presentation.pptx'));
}

final slide = pres.addSlide();
 
// Add Title
slide.addTitle('Company Overview');
 
// Add Text Content
slide.addText('We provide excellent services.');
 
// Add Speaker Notes
slide.addNote('Remember to smile when talking about services.');

// Solid color background
slide.addSolidBackground('FF0000'); // Red
 
// Image background
slide.addImageBackground(fs.file('assets/bg.jpg'));

dart run open_xml:pptx_type_generator --input templates/theme.pptx --output lib/theme_bindings.dart --class-name ThemePresentation

import 'package:open_xml/open_xml.dart';
import 'lib/theme_bindings.dart';
 
void main() async {
  final pres = await Presentation.open(fs.file('templates/theme.pptx'));
  final myPres = ThemePresentation(pres);
 
  // The generated method perfectly matches the 'Title and Content' layout
  myPres.addTitleAndContentSlide(
    title: 'Q1 Review'.toTextRun(),
    content: 'All goals met!'.toTextRun(),
  );
 
  await pres.save(fs.file('generated_theme.pptx'));
}

final markdown = '''
# Slide 1
This is the first slide.
 
# Slide 2
This is the second slide with some details.
''';
 
await pres.addMarkdown(markdown);