November 2012
Intermediate to advanced
888 pages
54h 46m
Polish
Content preview from Ruby. Receptury
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12.13. Generowanie plików PDF
Problem
Chcemy stworzyć tekst lub dokument graficzny w formacie PDF i zachować pełną kontrolę nad jego układem.
Rozwiązanie
Można skorzystać z biblioteki PDF::Writer Austina Zeiglera, dostępnej w postaci gemu pdf-writer. Jego API daje programiście kontrolę nad rozmieszczeniem tekstu, zdjęć i rysunków.
W poniższym kodzie wykorzystano bibliotekę PDF::Writer w celu stworzenia prostej ulotki zawierającej grafikę i ramkę (Rysunek 12-7). Założono, że dysponujemy grafiką sue.png, którą można umieścić w dokumencie.
Rysunek 12-7. Ulotka
require 'rubygems' require 'pdf/writer' # => false # Wprowadzenie słowa "false" ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.