Adobe Photoshop CS4 - Manual (Page 461)

454 USING PHOTOSHOP CS4
Saving and exporting images
Last updated 1/10/2010
General options for Adobe PDF
You can set the following options in the General section of the Adobe PDF Options dialog box:
Description Displays the description from the selected preset, and provides a place for you to edit the description. You
can paste a description from the clipboard. If you edit the description of a preset, the word “(Modified)” is added at
the end of the preset name.
Preserve Photoshop Editing Capabilities Preserves Photoshop data in the PDF, such as layers, alpha channels, and
spot colors. Photoshop PDF documents with this option can be opened only in Photoshop CS2 and later.
Embed Page Thumbnails Creates a thumbnail image of artwork.
Optimize For Fast Web View Optimizes the PDF file for faster viewing in a web browser.
View PDF After Saving Opens the newly created PDF file in the default PDF viewing application.
Compression and downsampling options for Adobe PDF
When saving artwork in Adobe PDF, you can compress text and line art, and compress and downsample bitmap
images. Depending on the settings you choose, compression and downsampling can significantly reduce the size of a
PDF file with little or no loss of detail and precision.
Acrobat 4 (PDF 1.3) Acrobat 5 (PDF 1.4) Acrobat 6 (PDF 1.5) Acrobat 7 (PDF 1.6) and
Acrobat 8 and Acrobat 9 (PDF
1.7)
PDFs can be opened with
Acrobat 3.0 and Acrobat Reader
3.0 and later. PDFs can be opened with
Acrobat 3.0 and Acrobat Reader
3.0 and later. However, features
specific to later versions may be
lost or not viewable. Most PDFs can be opened with
Acrobat 4.0 and Acrobat Reader
4.0 and later. However, features
specific to later versions may be
lost or not viewable. Most PDFs can be opened with
Acrobat 4.0 and Acrobat Reader
4.0 and later. However, features
specific to later versions may be
lost or not viewable.
Cannot contain artwork that
uses live transparency effects.
Any transparency must be
flattened prior to converting to
PDF 1.3. Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.) Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.) Supports the use of live
transparency in artwork. (The
Acrobat Distiller feature flattens
transparency.)
Layers are not supported. Layers are not supported. Preserves layers when creating
PDFs from applications that
support the generation of
layered PDF documents, such as
Illustrator CS and later or
InDesign CS and later. Preserves layers when creating
PDFs from applications that
support the generation of
layered PDF documents, such as
Illustrator CS and later or
InDesign CS and later.
DeviceN color space with 8
colorants is supported. DeviceN color space with 8
colorants is supported. DeviceN color space with up to
31 colorants is supported. DeviceN color space with up to
31 colorants is supported.
Multibyte fonts can be
embedded. (Distiller converts
the fonts when embedding.) Multibyte fonts can be
embedded. Multibyte fonts can be
embedded. Multibyte fonts can be
embedded.
40-bit RC4 security supported. 128-bit RC4 security supported. 128-bit RC4 security supported. 128-bit RC4 and 128-bit AES
(Advanced Encryption
Standard) security supported.