Text Size -> Largest, Larger, Medium, Smaller, Smallest

**David Dorward** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

dmsy@yahoo.com wrote:
[color=blue]
> Is there a way to use javascript to increase the overall document text
> size, just like if you click View->Text Size->Largest, Larger, Medium,
> Smaller, Smallest? This is on IE browser.[/color]

You could dynamically alter the style.fontSize property of the body element
- but why bother? Browsers already come with a way for the user to choose
their font size, there's no need to muddy the water by duplicating
something the browser already does but which works only on one website.

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**Duwayne Sy** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

I have tried that already and it does not work. It only changes the
size of text that does not have a size set. Text with size set by font
remains the same. I need something that changes the whole document, just
as how the menu items work. I need this functionallity because I am
writting a custom browser for internal use. Some users have problems
seeing the default text size so they need to be able to resize it.

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**David Dorward** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

Duwayne Sy wrote:
[color=blue]
> I have tried that already and it does not work. It only changes the
> size of text that does not have a size set. Text with size set by font
> remains the same.[/color]

<font> is deprecated and should not be used.
If you specify your font sizes with font-size relative units (% or em are
typically the best choice) then this isn't an issue.
[color=blue]
> I need something that changes the whole document, just
> as how the menu items work. I need this functionallity because I am
> writting a custom browser for internal use. Some users have problems
> seeing the default text size so they need to be able to resize it.[/color]

So why not add a font size preference to the browser?

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**Paul R** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

Why not set a browser cookie indicating which one of a set of CSS
stylesheets a user has selected?

You can override a FONT tag using CSS:

<html><head><ti tle>test page</title>
<style>body, font{ font: 20pt Arial, sans-serif; }</style>
</head>
<body>
<p><font face="Times New Roman" size="2">hello</font></p></body>
</html>

**Duwayne Sy** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

The <font> tag is depricated, but it does not stop anyone from using it.
I have no control how other people author their HTML. I am not trying to
author the HTML, just want to change the size when the users need to see
bigger text.

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**Duwayne Sy** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

The issue is that users will be viewing HTML files authored by other
people. Those HTML files, when downloaded to our servers must not be
modified. So, they view the HTML file in this custom browser, and
sometimes they need the text (text for the whole document, not a
specific part of the document) to be bigger.

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**Randy Webb** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

Duwayne Sy wrote:
[color=blue]
> The <font> tag is depricated, but it does not stop anyone from using it.[/color]

Idiots are born every minute.....
[color=blue]
> I have no control how other people author their HTML.[/color]

But since you are developing an "custom browser for internal use" then
you have control over how your "browser" displays that garbage code.
[color=blue]
> I am not trying to author the HTML, just want to change the size
> when the users need to see bigger text.[/color]

Then let them use an existing browser that has that built in. Or, code
your "browser" so that it has a Size> Button or Menu that alters it.

--
Randy
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**David Dorward** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

Duwayne Sy wrote:
[color=blue]
> The <font> tag is depricated, but it does not stop anyone from using it.
> I have no control how other people author their HTML. I am not trying to
> author the HTML, just want to change the size when the users need to see
> bigger text.[/color]

If you have no control over the webpage, why are you asking how to use
JavaScript to alter it? JavaScript typically has to be referenced from the
page!

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David Dorward <http://blog.dorward.me .uk/> <http://dorward.me.uk/>
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**Duwayne Sy** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

I am asking because when the HTML is loaded in a typical browser, the
DOM model is generated. Since I am reusing IE browser control and
basically just showing my own menu, I have access to the DOM through the
exposed interfaces. If there is a way to do it in javascript, assumming
that javascript will be accessing the DOM, then I can do it behind the
scenes without touching the source.

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**David Dorward** · Jul 23 '05, 05:41 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

Duwayne Sy wrote:
[color=blue]
> I am asking because when the HTML is loaded in a typical browser, the
> DOM model is generated. Since I am reusing IE browser control[/color]

The IE browser control is very limited when it comes to font sizing. For
example, unless the user's preferences are to ignore all font sizing hits
whatsoever, any font sizes set using pt or px units will be impossible for
the user to resize. The only way to get round this is to alter the style
properties being applied to the element.

If you want decent font resizing then you should look at using a different
rendering engine. Gecko for instance.

--
David Dorward <http://blog.dorward.me .uk/> <http://dorward.me.uk/>
Home is where the ~/.bashrc is

**Duwayne Sy** · Jul 23 '05, 05:42 PM

Re: Text Size -> Largest, Larger, Medium, Smaller, Smallest

I would love to use Gecko. Unfortunately, because of development time,
we cannot use it. I hope someone write an ActiveX wrapper for Gecko that
exposes all the funcionality.

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Text Size -> Largest, Larger, Medium, Smaller, Smallest

Text Size -> Largest, Larger, Medium, Smaller, Smallest

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