Use of Font Sets in CHM Navigation Pane

Hi everyone.
One of our product suites is going to be published for the first time using WebHelp Pro as its primary output but with a CHM file as a backup in case the client's internet connection fails or isn't present.
To cut a long story short we have setup a font set to use with our Webhelp Pro output that allows for both Windows and Apple Mac fonts. We have applied this to all our styles and are looking at other places where it can be used (e.g. skins). One of these is the Navigation Pane to be used in the CHM file. It seems like you can not use a font set when defining the font characteristics of the TOC and Index in the Advanced options of the Microsoft HTML Help single source layout.
I know this is not really a problem as CHM files are only designed to be run on Windows PCs and the Windows fonts we are using as part of the font set are 99.9% percent likely to be installed. However I am more interested in how the fonts inside the navigation pane works. The fact that you can't specify a font set (i've checked this in RH8 and RHX5) would seem to indicate that the font setting is part of the compiled file, rendering a font set unnecessary in this instance. Either that or it is an oversight.
Read the RoboColum(n).

Hi Colum
I stand to be corrected on this. Perhaps Pete Lees will pop in to confirm or deny.
I don't believe Font Sets are even necessary for .CHM files. As they are Windows only, I'm not sure Microsoft saw any need to provide for using them.
Cheers... Rick
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Configure java environment to automatically use a font set

I am having trouble setting up my environment to use a font - like cyberbit. Specifically, I would like to be able to display Chinese/Japanese unicode data on my appliation - all I can view are boxes. I have installed the cyberbit font under ../jre/lib/fonts and have modified the file fontconfig.properties.src (dialog.x=Bitstream Cyberbit,DEFAULT_CHARSET and filename.Bitstream_Cyberbit=Cyberbit.ttf) and saved it as fontconfig.properties.

iWeb doesn't remember your default choice like that
unfortunately. Are you finding that you use the same
template pages though? If so, you can just
preconfigure one with your choice of fonts and text
sizes. Then just keep it blank and use it as your
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I open up a pdf with no embedded fonts, and the text looks fine. Then after a few seconds of paging through the document, all of the sudden the next page is shown with adobe-substituted fonts like "Adobe Serif MM" instead of "ArialNarrow,BoldItalic".
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This was kind of a confusing post now that I read it again - sorry.
Anyway, I found the problem:
Arial Narrow version 2.37 was messing everything up. I uninstalled that from my Windows Fonts folder, installed Arial Narrow version 2.35, and now everything looks great again.
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Why is getLineMetrics inaccurate when using device fonts* or immediately after resizing a TextField?

1. We need getLineMetrics to return correct values immediately after changing a TextField's width/height or any property that would affect the layout metrics, withouth having to alter other properties like setting the text to itself (p1.text = p1.text). Currently, if you change the width of a text field to match the stage width for example, getLineMetrics will not return correct values until the next frame.... UNLESS you set the text property.
2. We also need some kind of "stage scaled" event in addition to the "stage resize" event (which only fires when stage scale mode is no_scale), because stage scaling affects the rendered size of device fonts so dramatically that we must call getLineMetrics again. This is not the case for fonts antialiased for readability, since their size is relatively stable with scaling, as demonstrated by drawing a box around the first line once and then scaling the stage.
So those are the problems. The asterisk in the title of this post is there because it seem that TextField.getLineMetrics is accurate with device fonts, but I cannot take advantage of that accuracy without a way to detect when the player is scaled. I can only confirm its accuracy at a 1:1 scale, since there is no way to recalculate the size of the line rectangle once the player is scaled, aside from setting a timer of some sort which is a real hack not to mention horribly inefficient with no way to detect when the stage has actually be scaled.
I use device fonts because embedded fonts look terrible and blurred compared to device font rendering. The "use device font" setting matches the appearance of text in web browsers exactly. The only way to get embedded/advanced antialiased text in flash to approximate that of the device font look is to primarily set gridFitType to PIXEL instead of SUBPIXEL, and secondly set autokerning to true to fix problems caused by the PIXEL grid fit type. That ensure strokes are fitted solidly to the nearest pixel, however it still lacks the "ClearType" rendering that device fonts use, which has notable color offset to improve appearance on LCD monitors, rather than the purely grayscale text that flash uses in its subpixel rendering. Frankly, failure to use device fonts because of API issues, is the only reason why Flash sometimes doesn't look as good as HTML text and why people say text in Flash "looks blurry". I'm tired of hearing it. If the player simply dispatched an event when scaled and updated the metrics immediately when any property of the text field that would affect the metrics is changed, then we could all happily use device fonts and Flash text would look great. As is stands, because of the two problems I mentioned in the opening paragraph, we're stuck dealing with these problems.
If you create two text fields named "p1" and "p2" for paragraph 1 and 2, populate them with an identical line of text and set one to "use device fonts" and the other to "antialias for readability", then use this code to draw boxes around the first line of text in each of them:
import flash.text.TextField;import flash.text.TextLineMetrics;graphics.clear();drawBoxAroundLine( p1, 0 );drawBoxAroundLine( p2, 0 );function drawBoxAroundLine( tf:TextField, line_index:int ):void{ var gutter:Number = 2; var tlm:TextLineMetrics = tf.getLineMetrics( line_index ); graphics.lineStyle( 0, 0x0000ff ); graphics.drawRect( tf.x + gutter, tf.y + gutter, tlm.width, tlm.height );}
The box surrounding the line of text in the "use device fonts" box is way off at first. Scaling the player demonstrates that the text width of the device font field fluctuates wildly, while the "antialias for readability" field scales with the originally drawn rectangle perfectly. That much is fine, but again to clarify the problems I mentioned at the top of this post:
Since the text width fluctuates wildly upon player resize, assuming that getLineMetrics actually works on device fonts (and that's an assumption at this point), you'd have to detect the player resize and redraw the text. Unfortunately, Flash does not fire the player resize event unless the stage scale mode is set to NO_SCALE. That's problem #1. And if that's by design, then they should definitely add a SCALE event, because changes in player scale dramatically affect device font layout, which requires recalculation of text metrics. It's a real issue for fluid layouts.
The second problem is that even when handling the resize event, and for example setting the text field width's to match the Stage.stageWidth property, when the text line wraps, it's not updated until the next frame. In other words, at the exact resize event that causes a word to wrap, calling getLineMetrics in this handler reports the previous line length before the last word on the line wrapped. So it's delayed a frame. The only way to get the correct metrics immediately is basically to set the text property to itself like "p1.text = p1.text". That seems to force an update of the metrics. Otherwise, it's delayed, and useles. I wrote about this in an answer over a year ago, showing how sensitive the text field property order is: http://stackoverflow.com/a/9558597/88409

As I've noted several times, setting the text property to its own current value should not be necessary to update the metrics, and in some subclasses of text field, setting a property to its own value is ignored as the property is not actually changing and processing such a change would cause unnecessary work which could impact application performance. Metrics should be current upon calling getLineMetrics. They are not. That's the problem.
From a programming perspective, having to set the text property (really "htmlText" to preserve formatting) to itself to update metrics is almost unmanagable, and doesn't even make sense considering "htmlText" is just one of a dozen properties and methods on a TextField that could invalidate the layout metrics (alignment, setTextFormat, width, height, antiAliasMode, type, etc.), and I would have to override every one of those properties so that I could set htmlText = htmlText. Using such a subclass isn't even possible if I want to use the Flash IDE to add text fields to the stage. I would have to iterate over the display list and replace all existing fields with my subclass, which also isn't a good workaround because there's no way to update any and all variable references that may have been made to those instances.
Frome what I've read, the invalide+render event system is unreliable. My layout framework is similar to that of Windows Forms, and performs layout immediately, with dozens of docking modes and uses suspend and resume layout calls for efficiently resizing multiple child objects in a component. Certain calculations cannot be aggregated for a render event, because some containers are semi-reflexive, meaning they can expand to fit the child contents while also contraining the child size, depending on whether the contain was resized or the child component was resized, so as a matter of correctness the resizing calcultation must occur immediately when the child resizes, otherwise a top-down pass on the display hierarchy for resizing will not be sufficient.
As far as waiting until the next frame, no that is not possible, as it will cause one frame to be completely wrong. If I was dragging the browser window to resize it, it would look terrible as virtually every single frame during the resizing operation would be incorrect. Also, in the case where a user clicks the maximize or restore button of the web browser, the resizing event will occur exactly once, so if the metrics are not correct when that occurs, there is no recalculation occuring on the next frame, it will just be wrong and sit there looking wrong indefinitely.
In case it's not obvious by now, this is a web application. It uses the NO_SCALE stage scaling option, so notification of the event is not actually an issue for me personally. I was just pointing out that for anyone not using the NO_SCALE option, there is no event in Flash to detect player scale. What you're suggesting is using a JavaScript event and using the ExternalInterface bridge to send a message, which there is no guarantee whether it will be processed in a timely matter by the player and introduces possible platform inconsistancies, depending on whether the browser has actually resized the Flash interface at that point or what state Flash is in when it tries to recalculate the size of the text. The browser may send that event to flash before the player is actually resized, so it will be processing incorrect sizes and then resized after the fact. That's not a good solution. Flash needs a scale event in addition to a resize event. I'm really surprised it doesn't have one. At the very least, the existing resize event should be dispatched reguardless of the stage scale mode, rather than occuring exclusively in the NO_SCALE mode.
Bottom line is that getLineMetrics needs to return correct values every time it is called, without having to set the "text" property immediately before calling it. If such a requirement exists, which seems to be the case, then that needs documented in the getLineMetrics method.

Navigation Pane on WorkBook

Hi All,
I havent had that much exp on workbooks,
I have a task to change the navigation pane in workbook by removing existing characteristic and adding new.
I was also asked to create a new navigation pane in the Workbook.
As given in thehelp sap i opened the workbook in BEx analyser 3.x and clicked the design mode. But after that i am unable to add anything in Navigation Pane or ableto add a new one.
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Hi
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When I launch the help, the browser (IE) doesn’t allow running scripts or ActiveX controls (this is normal). At this point, the TOC in the Navigation pane looks like it uses the correct font. Once I click to allow IE to run scripts, etc. the font in the TOC changes to something that looks like Times or some default serif font. So, it appears that something in the javascript is changing the font.
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BTW, I use images only in the toolbar pane (that spans the top of the webhelp window), so I don't need to specify the custom font there.
Deborah

Hi William
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I changed the font in whthost.js to the name of my custom font and generated the help, but it made no difference. I also changed the font and just opened the help without generating and got the same results.
For your second suggestion, you mean whtdhtml.htm not whtdhtml.js? The custom font is in the lines:
setFont("Normal", "MyFont","10pt","Black","Normal","Normal","none");
setFont("Hover", "MyFont","10pt","#004080","Normal","Normal","underline");
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Deborah

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I really don't understand.
The menu item is available :
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All versions of Photoshop get their fonts from your OS. Just install any missing font wherever Windows keeps fonts.
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Hi
I am using Robohelp 7 to create a Compiled HTML Help project and I would like to apply a background colour to the navigation pane (i.e. the TOC).
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Hi, CJ,
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http://support.microsoft.com/?kbid=267973
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Hi All,
Can anyone offer any advice on how I'd change the font-size of the Date Navigator Header (i.e. May 2010, June 2010, etc)?
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Hi experts,
Couple of quick questions regarding WAD :
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Regards,
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Have you tried exporting using the Save as PDF button on the lower left of the Print dialog box? I don't know if that will help, but it might.
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I've included a shot of pages from a previous project, there is a distinct difference.

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I using Robohelp 7.01.001 and am generating a Microsoft HTML Help (Primary Layout). When I open up the CHM file everything looks fine, but when I change the focus off of the Help file the navigation pane hides. Is there a setting to always show the navigation pane?

Welcome to our community
If you edit your Window definition you should see an option labeled Auto-show/hide Nav Pane.
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If the steps listed earlier don't seem to resolve the issue, perhaps try creating a new window and defining that as the window for your CHM file.
Cheers... Rick
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Use of Font Sets in CHM Navigation Pane

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