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- From: James_Hastings-Trew@telepro.UUCP (James Hastings-Trew)
- Newsgroups: comp.sys.amiga.graphics
- Subject: Point Sizes
- Distribution: world
- Message-ID: <James_Hastings-Trew.0hws@telepro.UUCP>
- Date: 25 Jul 92 02:05:14 CST
- Organization: TelePro Technologies
- Lines: 56
-
- In a message dated Fri 24 Jul 92 8:48, Ab@nova.cc.purdue.edu (allen B)
- wrote:
-
- AB> That certainly follows from your 2/3 rule, but is not true
- AB> of Adobe fonts. (I'm sitting at a NeXT, you can't lie to
- AB> me!) Are you saying Adobe doesn't know jack about font
- AB> sizing? I'm really curious now.
-
- AB> Here's a demonstration if you have a PostScript engine
- AB> handy. It will show 3 Es from 3 different families, all at
- AB> 72 point. They are clearly both physically and optically
- AB> different sizes:
-
-
- AB> %!PS-Adobe-2.0
- AB> %%Title: Are 72 point Es the same size? No.
- AB> %%Creator: Allen B
- AB> %%Purpose: QED
-
- AB> 72 72 moveto
- AB> /Helvetica findfont 72 scalefont setfont
- AB> (E) show
- AB> /Times-Roman findfont 72 scalefont setfont
- AB> (E) show
- AB> /Courier findfont 72 scalefont setfont
- AB> (E) show
-
- AB> showpage
-
- Okay. I tested this little gem out with POST 1.7, and you are right. The
- three fonts are markedly different - Helvetica being the largest, Times in
- the middle, and Courier being the smallest. I am at a loss to explain this.
-
- I do have one question -- how in the hell is a typesetter supposed to
- measure these fonts and come up with the proper point size. A common
- typesetting task is to be given a sample of type and have to set some new
- type to replace the old. With Adobe making these fonts at all sizes, how
- the heck is a typesetter supposed to measure the old type to know what
- point size to set the new type in? Whacky...
-
- I assume that Helvetica is the "correct" one of the three in this example,
- and that Times and Courier have been altered for some unknown reason. I do
- know that Times-Roman is based on a font that was specifically designed for
- the London Times with the emphasis on packing as much text per square inch
- as possible. The only explanation that comes to mind is that the letter
- heights were altered to make comfortable reading at close-set leading -
- 10/10 or 9/9. Courier would also likely have a similar explanation.
-
- What other fonts do you have on your NeXT? I have severa Adobe fonts on my
- Amiga, so I will use your test file as a basis and test some other fonts to
- see if perhaps Times and Courier are the exceptions that prove the rule...
-
-
-
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