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Information On Different Types Of EPS Files A
DocumentID: 616507
Revision Date: 29-Feb-96 1:37:26 PM

The information in this document applies to:
WordPerfect® 5.1 for DOS

Problem

Solutions: Many questions have arisen about the different types of EPS graphics files. People seem to be confused about why some of them are visible in View Document or Print Preview and others merely say "Contains Data For PostScript Only," or in the case of DrawPerfect lists the name of the EPS file. This message appears on the screen where the graphic should be in WordPerfect, but the graphic will appear correctly when the file is printed on a PostScript printer. The following information should help to clear things up.

The first type of EPS file contains strictly PostScript information. This is the type of file that does NOT display in View Document. WordPerfect makes no attempt to convert any of the PostScript codes, and therefore, these files can only be printed to a PostScript printer.

The second type of EPS file contains bitmapped TIFF information (a TIFF header) along with the regular PostScript information. Adobe Systems, Inc. added this feature to the EPS file format so that applications such as WordPerfect and DrawPerfect could view the file on screen and make modifications to it (i.e., rotate, scale, etc.) WordPerfect will convert the TIFF information to the WPG format and will use that part of the file for viewing and for printing to non-PostScript printers. Simply stated, WordPerfect will send the PostScript information to PostScript printers and the bitmapped information to non-PostScript printers. This can result in a difference in print quality from one type of printer to another.

A third type of EPS file comes from the MacIntosh environment and contains a PICT header. This is vector information and is contained in the resource fork of the file. The PICT header is not supported in WordPerfect, but since it is contained in the resource fork, it is stripped from the file during its conversion to the PC format EPS. The file that remains is usually usable in WordPerfect, but may only be printed to a PostScript printer and may not be viewed.

Another type of EPS file contains a Microsoft Windows Metafile header. This type conforms to the Adobe standards mentioned earlier, but is currently not supported by WordPerfect and will give an "Incorrect Format" error. The DOS version of WordPerfect will probably never support this format, but you may wish to write enhancement requests for customers using WordPerfect 5.1 for Windows that would like to use it.

Note: It is not possible to have an EPS file that contains both a TIFF and a Metafile header. Also, EPS graphics files with TIFF or Windows Metafile headers are not the same as TIFF and Windows Metafile graphics files.

A customer was successful in importing an EPS file created in CorelDRAW. Since the EPS file contained a TIFF header, it displayed on the editing window, the Graphics Editor and Print Preview. However, once the user rotated the image, a portion of the graphic was cut off when printed. This was true even though the graphic displayed correctly in the Graphics Editor. The problem was resolved by changing the X and Y axis scale percent to a smaller number under Edit All on the Button Bar in the Graphics Editor. (WPWin does not currently have the option to display rotated graphics on the editing screen.)

Answer:

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