Adobe InDesign CS5 - Manual (Page 442)

436 USING INDESIGN
Frames and objects
Last updated 11/16/2011
Object export options (CS5.5)
Object export options can be used to specify export parameters required when you export to different formats such as
EPUB, HTML, or accessible PDFs. Object export options can be applied to both text frames and graphic frames, as well
as groups. Use Object export options to:
• Define Alt text for placed images and graphics.
• Apply tags and actual text settings for tagged PDFs.
• Create different conversion settings on each object, so that they render well on different screen sizes and pixel
densities. Use these options to control the quality of rasterization applied to text effects such as drop shadow and
bevel when you export the layout to HTML or EPUB.
Apply Object export options
1 Select the frame or group in the layout.
2 Choose Object > Object Export Options.
3 Apply the settings.
You can leave the Object Export Options dialog box while you select other objects on the layout to apply the settings.
Alt-text options
Alternative text (Alt text) is a brief text-based description of an image or graphic. This text is used in situations where
the image is not rendered or to help screen-readers.
Alt-text Source Select the source to assign the Alt text for the selected frames or groups.
• Custom Enter text manually.
• From Structure Use text as specified in the structure. See “ Label graphics for use with screen-reader software ” on
page 522.
• From XMP (Title |Description |Headline) Use data stored in common XMP fields. If XMP data is updated using
another application such as Adobe Bridge, when you update the link, text is updated automatically.
• From Other XMP If text string is stored in some other XMP field, enter the complete namespace and property name
in : format. For example, the Adobe Bridge user interface supports IPTC Core, which contains a field
titled “IPTC Subject Code”. If this field was used to store the text string, then the Property value would be
“Iptc4xmpCore:SubjectCode[1].”
Note: When you import content from Microsoft Word, InDesign also imports alt-text applied to images.
Tagged PDF options
Apply Tag Select the source to assign the PDF Tag for the selected frames or groups.
• From Structure Use text as specified in the structure.
• Artifact Use for graphic elements that have no important meaning when they are read aloud by a screen reader.
• Based on Object Automatically determines the content of the frame and applies “Story” or “Figure” tag.
Actual Text Source PDF also supports actual text, in addition to Alt text. Actual text can be applied to graphic elements
that visually look like text. For example, a scanned TIFF image. Actual text is used to represent words that were
converted to artwork. Actual text is only applicable for tagged PDFs.
• Custom Enter text manually.