Inconsistent font metrics

I am printing a report. For each page, I go through all the text that I want to print on that page using FontMetrics.stringWidth to determine how much space the string will take, and using this information to make decisions about spacing and layout. Then I make a second pass through all the Strings where I actually print them. I do a stringWidth on each String again in this second pass to make final decisions about placement.
And here's the strange part: When I do the second stringWidth, I sometimes get a different value than I did from the first stringWidth! Even though the difference is just one or two percent, this messes up my calculations, because I had this silly idea that the width of the String would be the same no matter how many times I ask.
Slightly subtracting from the strangeness: When I begin the page, I create all the Fonts I will need, and then I do a Graphics.getFontMetrics(font) to get a FontMetrics object for each, which I use in the first round of calculations. When I get to the second round of calculations, I have now done a setFont() of the appropriate font, and then I do a getFontMetrics with no parameter to get the font metrics for that font. So it's a different FontMetrics object, but its for the same Font on the same Graphics. Shouldn't they be identical? (I am quite sure that the Font is the same in both cases.)
I can work around the problem by saving the FontMetrics object I get the first time and just using it again the second time. (I suppose it would be better still to save the size and thus save the redundant calculation, but that would be a pain.) But I would like to understand what is going on. Any words of wisdom?

I've never been working much with font metrics however i'm aware drawing in java has some incoherencies, like if you draw a hollow circle and a filled circle with the same coords they won't have the same size, etc. you should keep the same values or access the font metrics the same way twice. otherwise, i can't see... you can just keep an array ndicating the size of each line, etc.

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Hi All
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The font file may be damaged.
maker: Cannot read font metrics from font file named Tahoma-Bold.
The PDF is created but it contains squares in place of letters.
This only happens for one document within my book.
I have removed and reinstalled Tahoma, with no effect.
What has happened and what do I need to do to enable save to PDF for this document.
I am using FrameMaker 9.0 installed as part of Technical Suite 2 and running on Windows 7 professional.
Thank you for your help.
Claire

I'm on FrameMaker 10, installed about a month ago, and suddenly, yesterday, I started getting this exact error on PDFing a book I'd previously had no trouble with. Nothing apparently changed in my setup between everything working fine and getting these "the font file may be damaged" console errors. Interestingly, it's on exactly the same font as reported by Claire and MichaelH; Tahoma and Tahoma-Bold are listed as the troublesome fonts. These are not the commonplace Frame console "missing font" errors -- they totally mess up the PDF.
Both these fonts work perfectly in Word. We tried reinstalling, with no change, and I was about to call Adobe support, as recommended by our IT desk, but checked this forum first. A million thanks, Michael Müller-Hillebrand, for posting the exact solution to the problem. I cleared the Convert CMYK to RGB box and everything is fine now. Thank you SO much.
Adobe, could you please fix this? First message on this thread was almost a year ago and my copy of Frame was purchased last month. The issue should have been fixed by now. This has cost me about three hours, plus the time of the IT desk reinstalling FrameMaker.

What is font metric ?? (HELP)

hi, i am currently doing my project using java... 1 of the features in my system is the changing of font type and size of selected text... however my teacher wants me to make use of font metric (hope i never spelled wrongly)...
can someone tells me wat is font metric ? and any examples to show??
i appreciate all helps....

The following code should get get the height and ascent of the font of any componant or object that inherits from componant. (I haven't compiled or run this code so it may contain errors)Componant yourComponant = new Componant();
Font yourFont = yourComponant.getFont();
FontMetrics yourFontMetrics = getFontMetrics(yourFont);
int fontHeight = yourFontMetrics.getHeight();
int fontAscent = yourFontMetrics.getAscent();fontHeight contains the height of a line of text in this font.
fontAscent contains the the ascent of this font (from baseline to the top of most characters).
Follow the link in the last post to see all the methods and what they do.

Font Metrics, Completely Wrong Values

So what's the deal with font metrics?
The values it gives are completely wrong.
For example with a monospaced font i printed out every single
character on screen (upper, lower, 0-9, symbols).
The font metrics were:
ascent: 17
descent: 5
height: 22
leading: 0
Im trying to find the correct ascent. The REAL ascent is only 10.
The font metrics value is off by 70% and it usually is off by a lot for
all the fonts ive tried. The descent is off by 2 which isnt bad i guess.
Anyone know how to get the ACTUAL size?
in this picture the ascent is high but in my experience it is much higher:
http://www.devx.com/Java/Article/7932/1954?pf=true

The Line and Font Metric units are pixels not points.
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How to obtain font metric?

Hi all,
I want to obtain a font metric of each character in font (i.e. detph, height and width). Does anybody know how?
thanks

Hi Lukas,
I think what you are looking for may be found in IFontInstance. Have a look at the SingleLineComposer sample in the SDK. Particularly SLCTextGlyphNode.cpp could have something that will suit your needs. While it's not as easy as something like GetFontHeight() would be, it should get you what you need after you have the right glyph ID.
Best regards,
Art

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Font metrics info

Hi,
I'm trying to develop a VI to format text for a report generator (trying
to be better, than the one with LV5.1), for this VI, I need to get
information (at run-time) about the size of the fonts (font metrics, I
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Leopoldo
Sent via Deja.com http://www.deja.com/
Before you buy.

Here's some code based on jsalonen's suggestion. It prints the font if M and i are the same width.
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Sapscript font metrics generate AFM file howto

Hi scripters,
I'm creating an 11pt font for HPLJ5SI.
In SE73, I created new system fonts HELVE 110 normal, bold and so on.
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Hi,
Are you trying to generate a PDF file or print to a printer. It is not a good idea to try adding HELVECYR to device type PDF1. You should create the PDF via a device type that supports Cyrillic characters like SAPWIN or SAPWIN5. Also you need to upload true type fonts that support the cyrillic charcters as described in SAP note 322998.
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regards,
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I have a Text Layer consisting of characters with varying font metrics (say Font Height, Typeface, Kerning, Leading etc). Am unable to export out the Font metrics through an AE script.
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var textDoc = layer("sourceText") ;
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Unity used to have this wonderful voting system for feature requests. So users could simply spend votes on those things that they ageed were needed/desirable in future versions.
This process is GREAT for end users, as we can all see what everyone else is thinking about... and have others see what we're thinking about in terms of features.
If we're all similarly frustrated by something, we can publicly draw the attention of other users, and the developers, to that issue/desire/need. And it gets done faster, more transparently, and everyone is happy.
Adobe, being Adobe, doesn't want anyone to know what anyone else finds as limited, missing, necessary, desirable, etc... because they don't want to be held accountable for their products by their users.
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Never mind...
The world still turns.

Many inconsistent fonts.

After converting a pdf to word, the inconsistency of fonts and sizes was many. How do you correct all this inconsistency and even after correcting everything one by one, there was a visual mismatch displayed in the document.

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See attached image below.
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Inconsistent font metrics

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