[reportlab-users] How can I insert CMYK JPG in CMYK pdf document ?

[KLEIN Stéphane]

Le Mon, 20 Jul 2009 12:33:07 +0000, KLEIN Stéphane a écrit :


> Hi,

> 

> I produce CMYK PDF document and I need to insert CMYK JPG file in my

> document.

> 

> I've one simple example :

> 

> ::

> 

>     from reportlab.pdfgen import canvas

>     from reportlab.lib.units import cm, mm from reportlab.lib.pagesizes

>     import A4 from reportlab.pdfgen.pdfimages import PDFImage

> 

>     c = canvas.Canvas( "test.pdf", pagesize = A4) c.drawString(200, 100,

>     "hello.pdf")

> 

>     img = PDFImage("image_test_cmjn.jpg", 100, 500, 300, 300)

>     img.drawInlineImage(c, preserveAspectRatio = True)

> 

>     c.showPage()

>     c.save()

> 

> "image_test_cmjn.jpg" is a CMYK image. When I look test.pdf, this image

> appear converted in RGB.

> 

> How can I fix this issue ?


I fixed my issue with :

$ convert myfile.jpg -resize 100% myfile.jpg

The "convert" is imagemagick utils.

I don't understand why this fix my issue, maybe error in my jpg...

Regards,
Stephane