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7.10.1 Options

#### 7.10.1.4 File/PDF

Color Space defines how to treat colors and images on saving:

- With Original they are saved the same way they were created.
- With Gray everything is converted to gray.
- CMYK converts to the CMYK color space. This conversion uses the CMYK profile you assigned to the document. If there is no CMYK profile, the settings made in Color Management/Standard (see chapter 7.10.1.38) are used. Only RGB colors and images will be converted, gray data stays unchanged. RGB colors, whose red, green and blue component are equal, will not be converted to CMYK but to gray.
- PDF/X-1a and PDF/X-3
Print shops often ask for documents in PDF/X-1a or PDF/X-3 format. Both formats have several things in common:
- They define for which CMYK color space they are created. PhotoLine uses the color profile assigned to the document. If no profile is assigned, the default CMYK profile (see chapter 7.10.1.38) is used. This profile is embedded in the generated PDF file, thus PDF/X-1a and PDF/X-3 files are often significantly larger than "normal" PDF files.
- Both define how fonts are embedded, and that there must not be any transparency in the document. The corresponding settings are therefore not available.
- PDF viewer programs usually show PDF/X-1a or PDF/X-3 files including the bleed. Therefore, pages appear larger than they are in reality. But often the viewers can show the real page size, too.
The main difference between the two formats is, that with PDF/X-1a all color data is converted to CMYK. This does not happen with PDF/X-3. Here, the original data is preserved, but an attached ICC profile ensures a well-defined appearance.
Sometimes print shops request PDF/X-3 files, but with CMYK color data. This effectively results in PDF/X-1a, so you should use this in such a case.
- PDF/X-4 and PDF/X-4 CMYK
PDF/X-4 is an evolution of PDF/X-3. The main difference is that PDF/X-4 supports transparency.
Since print shops who allow PDF/X-4 often request CMYK color information as well, there is also a PDF/X-4 CMYK mode that performs the necessary conversions.
- PDF/A-1b und PDF/A-2u
PDF/A is a standard for long-term archiving of PDF documents. The main point of PDF/A is that the content of a PDF file can be reproduced unambiguously. Colors must therefore be precisely defined and fonts embedded.
With PDF/A-2u, text must also be mappable to Unicode.

You can simulate the effect of Color Space on-screen by activating "View > PDF Proof Mode".

Resolution defines the resolution for images stored in a PDF-file. Note that images will never be enlarged but only scaled down if needed. This value is also used, if a layer having non-PDF-compliant properties has to be converted into an image on saving. Aside from various dpi values there is the setting Document. Using that the layer will be saved in the same quality it was created in the document. 72 dpi can be used as screen quality.

Transparency is still a problem in PDF. Since version 1.4 PDF files can contain smooth transparency, but until now most print shops prefer PDF files with version 1.3. But this version of PDF is quite restricted in displaying transparency, because it can only display 1-bit transparency (in contrast to 8-bit transparency of PhotoLine). Therefore, you have the choice to remove the transparency from a document or to replace it by 1-bit. Both ways have disadvantages, but usually it is better to use Replace Background, this means removing the transparency completely. Of course it is best to avoid this problem at all by not using transparency, if the document should be saved as PDF.

With Bleed you can specify how far beyond the page boundaries PhotoLine creates the document content. This bleed width is usually specified by your print shop. If you activate Crop, PhotoLine will create an additional clipping path for the bleed width. Normally this is unnecessary.

In order to ensure a document looks the same on a different computer, fonts contained in a document can be embedded in a PDF-file. But there are two restrictions: PhotoLine can only export TrueType-fonts and this only, if it is permitted by the font. Some fonts forbid to be stored in document files. Note, that font embedding may increase the resulting file size enormously. Due to this Fonts offers several ways to treat fonts used in a document:

- No Embedding
No font will be embedded.
- Convert Forbidden Fonts To Path
Fonts allowing embedding will be embedded. Text using other fonts will be converted to vector paths. Due to technical reasons only whole text layers will be converted to vector. If there is only one word in a text layer using a forbidden font, the whole text layer will be converted.
- Embed Only Allowed
Fonts, that allow embedding, will be embedded.
- Convert All To Path
Every text will be converted to vector paths. No font will be embedded.

Image Compression controls, how to compress images. Which option to use largely depends on desired area of application. If you want to print the document or process it any further, you should use ZIP quick or ZIP best, if the document is used for viewing onscreen, one of the JPEG variants is suitable, because they lead to smaller files.

Text Compression controls, how to compress page description commands and black/white-images. There is no reason, why you shouldn’t always use ZIP best.

The command Layer/Display/Print Layer (see chapter 7.5.33) controls whether a layer is only shown onscreen or is printed, too. By turning on Export Only Printable Layers this setting is used for the PDF-export, too.

If a document, that should be saved as PDF, is a slideshow (see chapter 7.1.14), Start Slide Show In Full Screen Mode controls whether the resulting PDF opened with Adobe® Reader® will be shown full screen.