text to paths makes text bigger in PDF

I spotted thos overlap and made screenshots for your reference.

Inkscape version is 0.91.

https://raw.githubusercontent.com/linuxjh/repo/master/misc/pdf1.png

https://raw.githubusercontent.com/linuxjh/repo/master/misc/pdf2-text-to-paths.png

What happens if you convert the texts to paths in Inkscape already?
(do this with a copy of the document, or place a copy on a separate layer)

I have seen this issue for many years.

You might try this workaround:

Manually convert all texts to paths.
Enter each text group (faster is to combine all text ).
Activate node tool and select all nodes.
Convert all segments to curves ( this should not change any shapes).
Save and export to pdf.

Theory of operation: Export to pdf looks at vertical/horizontal straight line segments and attempts pixel fitting. Conversion to curve in XML stops pixel fitting.

Example: https://www.dropbox.com/s/xn9upi4dkt82nfy/t2p-1.zip?dl=0

TD

Bug report filed
https://bugs.launchpad.net/inkscape/+bug/1746028

> TylerDurden (8thrule) said on 2018-01-29: #3
> I have seen this issue for many years.

> You might try this workaround:

> Manually convert all texts to paths.

Hi Tyler,

I still need this "text to path" steps first if I'm going the "segment to curve" way, right?

> Enter each text group (faster is to combine all text ).
> Activate node tool and select all nodes.
> Convert all segments to curves ( this should not change any shapes).
> Save and export to pdf.

> Theory of operation: Export to pdf looks at vertical/horizontal
> straight line segments and attempts pixel fitting.
> Conversion to curve in XML stops pixel fitting.

CairoRenderContext::_showGlyphs function is used to handle "text to path" in Inkscape 0.91.

How Can I implement "segment to curve" in a similar way?

Or Can I just increase the line space for text in my case to avoid overlap?

Thanks

#0 Inkscape::Extension::Internal::CairoRenderContext::_showGlyphs (
    this=0x12e871c8, cr=0x12cc4a98, glyphtext=..., path=true)
    at src/extension/internal/cairo-render-context.cpp:1635

...

#13 0x00545609 in Inkscape::Extension::Internal::pdf_render_document_to_file
    (doc=0xa9c4f50,
    filename=0x10e85fa8 "> D:\\project\\inkscape\\inkscape\\strXML2.pdf",
    level=1, texttopath=true, omittext=false, filtertobitmap=false,
    resolution=96, exportId=0x0, exportDrawing=false, exportCanvas=true,
    bleedmargin_px=0)
    at src/extension/internal/cairo-renderer-pdf-out.cpp:106

Hi,

I only use the GUI. So, I convert text to path, then use node-tool controls to select and change straight segments to curves.

(Shift+U )
"Make selected segments curves. One or more segments must be selected. Segments remain straight lines but handles are extended that can be used to change the curvature." http://tavmjong.free.fr/INKSCAPE/MANUAL/html/Paths-Editing.html#Paths-Editing-Node

More later,

TD

Hi,

I increase the line spacing and letter spacing. The most of the overlap get away. Only the "rv" letters still overlap. Seems we have some problem with the letter spacing.

New:
https://raw.githubusercontent.com/linuxjh/repo/master/misc/text-to-path-illustrator-outline.png

Old:
https://raw.githubusercontent.com/linuxjh/repo/master/misc/pdf-text-to-paths-illustrator-outline.png

Hi,

I convert individual text group (flowRoot) with Path / Object to Path and save it as PDF (without text to path option on the dialog). Those text don't overlap in Adobe Illustrator outline view.

I use this function: sp_selected_path_to_curves() same as the "Path / Object to Path" to output the Outline PDF.

The result output PDF seems better than the one exported by the function: pdf_render_document_to_file() used for "Save as / text to path".