Research/Web-to-print/WeasyPrint - Revision history

Andre: /* Weasy Print */

2016-04-17T16:24:29Z

Weasy Print

← Older revision		Revision as of 16:24, 17 April 2016
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	==Weasy Print==		==Weasy Print==
	[[~~Weasy Print~~]] (WP)<ref name="weasyprint1">“WeasyPrint Documentation” http://weasyprint.org/docs/.</ref> is a visual rendering engine for HTML to PDF, that uses CSS.		[[Weasy_Print]] (WP)<ref name="weasyprint1">“WeasyPrint Documentation” http://weasyprint.org/docs/.</ref> is a visual rendering engine for HTML to PDF, that uses CSS.

	Its CSS layout engine is written in Python, but employs several libraries to render the PDF.		Its CSS layout engine is written in Python, but employs several libraries to render the PDF.

Andre at 16:13, 17 April 2016

2016-04-17T16:13:51Z

Show changes

Andre at 09:47, 4 December 2015

2015-12-04T09:47:12Z

← Older revision		Revision as of 09:47, 4 December 2015
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	==references==		==references==
	<references/>		<references/>


			[[Category:Research]]

Andre: /* Imposition */

2015-11-27T10:59:34Z

Imposition

← Older revision		Revision as of 10:59, 27 November 2015
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	== Imposition ==		== Imposition ==
	There ~~appears to be~~ no mechanism ~~that~~ performs page impositions.		There is no mechanism to performs page impositions.

	~~Although~~ it is possible to perform imposition over the Weasy Print-generated PDF with software such as [http://kjo.herbesfolles.org/bookletimposer/ BookletImposer], [http://jpdftweak.sourceforge.net/ jPDF Tweak], [https://github.com/raffamaiden/pdftools pdftool], or [https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/ PDFtk].		However, it is possible to perform imposition over the Weasy Print-generated PDF with software such as [http://kjo.herbesfolles.org/bookletimposer/ BookletImposer], [http://jpdftweak.sourceforge.net/ jPDF Tweak], [https://github.com/raffamaiden/pdftools pdftool], or [https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/ PDFtk].

	[[File:web2print-BS07-booklet.pdf\|Booklet produced with BookletImposer, having Weasy Print generated PDF as source]]		[[File:web2print-BS07-booklet.pdf\|Booklet produced with BookletImposer, having Weasy Print generated PDF as source]]


	=== More is needed ===		== More is needed ==
	These tests and prototypes are far from exhaustive.		These tests and prototypes are far from exhaustive.

	It is still unclear ~~weather~~ Weasy Print, CSS and HTML can produce quality PDFs, ready to ~~send~~ to a printer in order to produce paper-bound publication.		It is still unclear whether Weasy Print, CSS and HTML can produce quality PDFs, ready to be sent to a printer in order to produce paper-bound publication.
			Yet the results seem promising.

	~~The results are promising.~~		More experimentation, prototypes, and feedback is needed in order to make a informed critique.

	~~Yet more~~ experimentation, prototypes, and feedback is needed in order to make a informed critique.

	~~And contributions to [https://github.com/Kozea/WeasyPrint/ Weasy Print], will only help~~.

			And contributions to [https://github.com/Kozea/WeasyPrint/ Weasy Print], can only help.

	==CSS style-sheet==		==CSS style-sheet==

Andre: /* CSS Custom Fonts */

2015-11-27T10:57:29Z

CSS Custom Fonts

← Older revision		Revision as of 10:57, 27 November 2015
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	Weasy Print does not support CSS's (<code>@font-face</code>) rule.		Weasy Print does not support CSS's (<code>@font-face</code>) rule.

	To use custom fonts it relies on [~~Pango library~~ http://www.pango.org/]		To use custom fonts it relies on [http://www.pango.org/ Pango library]

	More on the topic<ref name="fonts">A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]</ref>.		More on the topic<ref name="fonts">A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]</ref>.

Andre: /* CSS Custom Fonts */

2015-11-27T10:56:33Z

CSS Custom Fonts

← Older revision		Revision as of 10:56, 27 November 2015
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	To use custom fonts it relies on [Pango library http://www.pango.org/]		To use custom fonts it relies on [Pango library http://www.pango.org/]

	<ref name="fonts">A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]</ref>.		More on the topic<ref name="fonts">A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]</ref>.

	== Imposition ==		== Imposition ==

Andre: /* CSS Custom Fonts */

2015-11-27T10:56:12Z

CSS Custom Fonts

← Older revision		Revision as of 10:56, 27 November 2015
Line 152:		Line 152:
	Weasy Print does not support CSS's (<code>@font-face</code>) rule.		Weasy Print does not support CSS's (<code>@font-face</code>) rule.

	To use custom fonts it relies on Pango library ~~<ref name"pango">~~http://www.pango.org/~~</ref> for text layout.~~		To use custom fonts it relies on [Pango library http://www.pango.org/]

	A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]		<ref name="fonts">A discussion on the use of custom fonts can be followed on Weasy Print's [https://github.com/Kozea/WeasyPrint/issues/231 Github issue]</ref>.

	== Imposition ==		== Imposition ==

Andre: /* @page left @page right */

2015-11-27T10:54:47Z

@page left @page right

← Older revision		Revision as of 10:54, 27 November 2015
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	== @page left @page right ==		== @page left @page right ==
	~~So are specific option~~ for the left and right pages, such as the margin sizes, which have to alternate in order to produce a bound work.		Option for the left and right pages, such as the margin sizes, which have to alternate in order to produce a bound work, are correctly rendered.

	<source lang="css">		<source lang="css">

Andre: /* Testing Weasy Print */

2015-11-27T10:53:24Z

Testing Weasy Print

← Older revision		Revision as of 10:53, 27 November 2015
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	The following PDF results from the conversion of the [http://beyond-social.org/ Beyond Social's] article [http://beyond-social.org/articles/Eiland_van_Brienenoord.html ''Eiland van Brienenoord''] onto a PDF using Weasy Print.		The following PDF results from the conversion of the [http://beyond-social.org/ Beyond Social's] article [http://beyond-social.org/articles/Eiland_van_Brienenoord.html ''Eiland van Brienenoord''] onto a PDF using Weasy Print.

	The CSS style-sheet that gave origin the PDF is [[#CSS style-sheet\|located at the of this page]]		The CSS style-sheet that gave origin the PDF is [[#CSS style-sheet\|located at the end of this page]]

	[[File:web2print-BS07.pdf]]		[[File:web2print-BS07.pdf]]

Andre: /* Weasy Print */

2015-11-27T10:52:50Z

Weasy Print

← Older revision		Revision as of 10:52, 27 November 2015
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	==Weasy Print==		==Weasy Print==
	Weasy Print (WP)<ref name="weasyprint1">“WeasyPrint Documentation” http://weasyprint.org/docs/.</ref> is a visual rendering engine for HTML ~~and CSS that can export~~ to PDF.		Weasy Print (WP)<ref name="weasyprint1">“WeasyPrint Documentation” http://weasyprint.org/docs/.</ref> is a visual rendering engine for HTML to PDF, that uses CSS.

	Its CSS layout engine is written in Python, but employs several libraries to render the ~~HTML and CSS onto a~~ PDF.		Its CSS layout engine is written in Python, but employs several libraries to render the PDF.

	===positive aspects===		===positive aspects===
	* Uses HTML and CSS to layout the PDF		* Uses HTML and CSS to layout the PDF
	* Supports features like page size, page numbering, hyphenation in several languages <ref name="hyp">With the [http://pyphen.org/ pyphen library]</ref>		* Supports features like page size, page numbering, hyphenation in several languages<ref name="hyp">With the [http://pyphen.org/ pyphen library]</ref>
	* Resulting PDFs can achieve high level of complexity, with simple instructions		* Resulting PDFs can achieve high level of complexity, with simple instructions
	* Simple and easy to use		* Simple and easy to use
	* Can be used as a Python library or as a standalone program		* Can be used as a Python library or as a standalone program
	* Free software (BSD license)		* Free software (BSD license)
	* ~~Clean~~ documentation		* Cleal documentation

	===negative aspects===		===negative aspects===
	* Can be difficult to install, due to its dependencies		* Can be difficult to install, due to its dependencies
	* It does not support CSS custom fonts		* It does not support CSS custom fonts - uses [http://www.pango.org/ Pango library] to manage fonts
	* No support for folded formats, such as booklets: no mechanism for imposition		* No support for folded formats, such as booklets: no mechanism for imposition


	==Testing Weasy Print==		==Testing Weasy Print==