hpdf

Shard to create PDF documents with crystal using libharu/libhpdf.

Example renderings of the example files and specs:

.

Installation

1. Add the dependency to your shard.yml:

   dependencies:
     hpdf:
       github: threez/hpdf.cr

2. Run shards install

Usage

require "hpdf"

pdf = Hpdf::Doc.build do
  page do
    draw_rectangle 50, 50, width - 100, height - 110

    text Hpdf::Base14::Helvetica, 70 do
      text_out :center, :center, "Hello World"
    end
  end
end

pdf.save_to_file "hello.pdf"

C library dependencies

Before usage you have to install the library libharu which depends on libpng and zlib:

System	Command
Alpine	apk add libharu
Debian/Ubuntu	sudo apt install libhpdf-dev
Centos	sudo yum install libharu-devel
Fedora/Redhat	sudo dnf install libharu-devel
FreeBSD	pkg install libharu
OpenBSD	pkg_add libharu
macOS	brew install libharu

Development

Use the examples to write demos. Read about libharu here:

• http://libharu.sourceforge.net/index.html
• https://github.com/libharu/libharu/wiki

Contributing

1. Fork it (https://github.com/threez/hpdf.cr/fork)
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request

Contributors

• Vincent Landgraf - creator and maintainer