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Published 20 hours ago • verified publisher icon alafr

Supporting Spot Colors

Open ziaenezhad opened this issue 7 years ago • 5 comments

Supporting Spot Colors: https://github.com/alafr/SVG-to-PDFKit/pull/62/commits/562a3a6a1d74e63f38398b7043dc02df3bd9f74c

ziaenezhad avatar Dec 12 '17 10:12 ziaenezhad

I will consider merging this, when and if it gets supported in the official PDFKit repository... There are conflicts mostly because of the different indentation in your file (you will have to remove the 'formatting' commits - but no need to hurry, merging in PDFKit can take quite a long time)

alafr avatar Dec 12 '17 11:12 alafr

Hi @alafr , seems that the writer of PDFKit does not maintain the repo any more. i suggest you to pull spot colors into your fork. is it possible?

ziaenezhad avatar Feb 06 '18 12:02 ziaenezhad

Hi, I commented some changes (mostly in the PDFKit part) that could me made to make the code cleaner and more similar to the existing PDFKit code. Are the spotColors anything more than CMYK which is already supported by PDFKit and SVG-to-PDFKit?

alafr avatar Feb 07 '18 21:02 alafr

Yes, they are custom named CMYK colors, which are using in printing special layers, for example emboss UV printing, etc. which deals directly with the printer. using my codes we can set fill of a path or rect to those values:

<path fill="RDG_GLOSS" d="M90,0L50,40L10,0H0l50,50l50-50H90z M80,0H70L50,20L30,0H20l30,30L80,0z M60,0H40l10,10L60,0z M0,100h10l40-40l40,40h10  L50,50L0,100z M20,100h10l20-20l20,20h10L50,70L20,100z M40,100h20L50,90L40,100z M100,90V80L70,50l30-30V10L60,50L100,90z M100,70  V60L90,50l10-10V30L80,50L100,70z M0,10v10l30,30L0,80v10l40-40L0,10z M0,30v10l10,10L0,60v10l20-20L0,30z"></path>

the color should register before:

doc.addSpotColor('RDG_GLOSS', 50, 25, 25, 0);

ziaenezhad avatar Feb 08 '18 07:02 ziaenezhad

Hi,

I extracted this feature to our own fork: https://github.com/alvarcarto/SVG-to-PDFKit/. The implementation was re-done, adding the latest commits from master branch as well.

Comparison here: https://github.com/alafr/SVG-to-PDFKit/compare/master...alvarcarto:feature/spot-colors?expand=1

You can use the spot colors by adding to your package.json:

    "pdfkit": "git://github.com/alvarcarto/pdfkit.git#build",
    "svg-to-pdfkit": "git://github.com/alvarcarto/SVG-to-PDFKit.git#feature/spot-colors",

kimmobrunfeldt avatar May 15 '20 13:05 kimmobrunfeldt