Re: Distoted colours in HTML documents

[Bryan Hogan]

In message <59cf38bc5agrov...@orpheusmail.co.uk>
  Rod at Orpheusmail  wrote:

> For sometime now NetSurf has been exhibiting colour distortion. At least, I
> don't know what else to call it. In pictures, contained in html files for
> example, reds appear blue, as do peoples faces, Pale blue appears yellow
> while dark blue appears brown. And so on...

> I don't know what causes this problem or what to do to correct it. Can
> anybody help please?

At a guess, try opening NetSurf's Choices window from the iconbar menu, 
click on the Images icon, and check that both foreground and background 
image settings are "Use OS".

Bryan.

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Re: Dragging from URL icon

[Bryan Hogan]

In message <58d83a9b0bstuartli...@orpheusinternet.co.uk>
  lists  wrote:

> Copying text from a web page is fine, the problem occurs when trying to
> copy a URL,

Arrggh, so why didn't you say that in the first place?!?

In that case it is an icon, therefore the cut and paste is being handled 
by the Wimp since sometime around the end of last year (IIRC), so you'll 
need to report any problems on the ROOL forum.

These changes will also be partly the cause of Harriet's original problem, 
as the Wimp's attempts to handle clicks/drags/highlights in the icon are 
overriding NetSurf's handling of it.

To get round this, maybe NetSurf could have an icon at the end of the URL 
bar that can be dragged? (I know, RO developer needed!)

Bryan.

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Re: Dragging from URL icon

[Bryan Hogan]

In message <58d5f4ba4bstuartli...@orpheusinternet.co.uk>
  lists  wrote:

> Copy and Paste hasn't worked properly in NetSurf for ages.

You might need to be just a *little* bit more specific than that if you 
actually want anything done about it.

Although in my experience, cut and paste works fine, I'm regularly using 
it.

Bryan.

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Re: Scrolling issues

[Bryan Hogan]

In message <712aea5c58.bo...@boase.myzen.co.uk>
  Bernard Boase  wrote:

> Couple of issues I've noticed recently:

Me too!

> - Wikipedia's own vertical scroll bar overrides the functionality of the
> RISC OS window furniture. Is that intentional and/or inevitable?

It's like the whole page is in a frame :-O  Scrolling feels slower and 
jerkier too.

> - F4 / Find text no longer automatically scrolls down to display the next
> occurrence of the search string when it is further down the text than is
> visible in the current window.

That is only true within one of these odd scrolling pages. Search 
still auto scrolls to the found text in other web pages.

> 3.10 (Dev CI #5055)

I'm on 5053 but also tried 4953 and with 3.9 and 3.8, all the same.

I don't remember it doing that before (I think!) so is this something 
that Wikipedia have changed in their page layout?

> If others concur, I could raise a bug report, at least for the latter.

Looking at The Register that also has a NetSurf internal scrollbar, 
but his time it is stuck a full size and the normal RISC OS scrollbar 
works. Weird.

Bryan.

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Re: Javascript ON when it's OFF

[Bryan Hogan]

In message <55ef509b5e...@timil.com>
  Tim Hill <t...@timil.com> wrote:

>>From Newsgroup: comp.sys.acorn.misc
> Subject: Re: London Show news
> Date: Fri, 16 Dec 2016 10:20

> In article <acbd4eef55.pnyo...@pnyoung.ormail.co.uk>, Peter Young
> <pnyo...@ormail.co.uk> wrote:
>> On 16 Dec 2016  Tim Hill <t...@invalid.org.uk> wrote:

>>> In article <4ec82cef55.br...@helpful.demon.co.uk>, Bryan Hogan
>>> <spam@nowhere.invalid> wrote:
>>>> Although the Events Calendar doesn't work in NetSurf, so also have a
>>>> nomination in the Broken Cog category :-D

>>> It does, why have you got javascript switched on?  ;-)

>>> Fixed that for you:

>>> http://timil.com/riscos/calendar/

>> Not working here, #3803. The site says that JavaScript is on, even
>> though I've turned it off, quit NetSurf and tried to see the site
>> again.

> Must be a problem with that version. The message saying it is ON is
> rendered with Javascript so how can it possibly be disabled?

I had js off when I first visited the page, but received what must 
have been the js version, with just a blank white box in the middle of 
the page. So I then tried with js on, still got the exact same page.

However having just turned my ARMini back on and tried again, I now 
get the version that says "Welcome NetSurf user, you have JS 
disabled". So something must have been wrong with the page caching.

However, the calendar still doesn't display. Now I briefly get a "Bad 
redirect URL" error in NetSurf's status bar :-(

NetSurf v3.6 (19th Nov 2016) - the release version.

Others have it working so there must be something going on here. I'll 
have more of a play over the weekend.

Thanks,
Bryan.

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Re: Failure to load

[Bryan Hogan]

In message <55b447fe36d...@triffid.co.uk>
  Dave Symes  wrote:

> Alt-Break is a PITA and here very rarely if ever works, most times it just
> freezes RISC OS and can't be got out of without rebooting RISC OS.

But RISC OS was already frozen, so trying Alt-Break might get you out 
of it and if not it hasn't made the situation any worse!

Bryan.

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Re: Failure to load

[Bryan Hogan]

In message <61827.82.153.33.53.1471937563.squir...@email.orpheusnet.co 
.uk>
  Gerald Dodson  wrote:

> When trying to shut down, NS seemed to just loop. I was unable to find any
> way of gaining access to the Iyo 100 so switched of power.

Too late for this time, but if this ever happens again remember that 
you can press Alt-Break to just kill the currently hung task.

Bryan.

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Re: memory-gobbling on Virtual Acorn

[Bryan Hogan]

In message <3f4747b255@abbeypress.net>
  Jim Nagel  wrote:

> I'm using Virtual RiscPC on my ol' Windows XP laptop while away from
> base.  Various wrinkles of this setup are still unfamiliar to me.

> One is that Netsurf (recent, #3538) too quickly eats up all the free
> memory.

> What can I do to avoid this?  I guess I either need to fix Netsurf or
> need to find a way to make Windows give more memory to VRPC.  Haven't
> yet found a way to do either; advice welcome, please.

You've missed out several important bits of information:
- what version of VRPC
- what version of RISC OS
- how much memory is currently allocated to VRPC
- how much memory Netsurf is gobbling
- what sites are you visiting when this happens

For info, Netsurf #3597 on this ARMini with RO5.20 currently has a 7MB 
wimpslot and a single 76MB dynamic area. Only the ROOL, StarDot and 
ROUGOL webpages open at the moment, but it has been up and running for 
over 10 days :-)

Compared to Firefox on my Linux laptop which needs over 300MB just to 
start with no page open and rapidly grows to over 1GB, often consuming 
all 2GB in the machine, I'd say NetSurf is being pretty frugal!

Bryan.

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Re: Slow image display

[Bryan Hogan]

In message 535dae1be8...@timil.com
  Tim Hill t...@timil.com wrote:

 In article 6719835d53.br...@helpful.demon.co.uk, Bryan Hogan

 because the OS JPEG routines, as used in SwiftJPEG for example, can
 display it at any scale in about one second.

 One second? Wow. Is that to repaint the whole window? Should've bought me
 an Omega.

:-)  A more accurate timing reveals it to be 1.2s

 This Iyonix is taking about 4 seconds with Geminus (6.5 without) to
 display from RAMFS (whatever the quality setting) in SwiftJPEG.

I guess it is partly due to the Omega having the video memory in main 
RAM rather than having to go across the PCI bus like the Iyonix, and 
also the improvements in RO Select (cached screen memory, better JPEG 
routines).

 I was just trying to demonstrate that NetSurf's lack of speed is not unique

While I'm not surprised that NetSurf's routines are slower than those 
in RISC OS, a whole order of magnitude slower is surprising!

 That NetSurf doesn't seem to cache for very long a smaller version of the
 image that is painted into the window may seem odd

Is it a bug that NetSurf throws away the memory used by an image that 
is still on screen? That results in multiple slow redraws rather than 
just the initial ones.

Bryan.

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Re: Slow image display

[Bryan Hogan]

In message 535d31f650...@timil.com
  Tim Hill t...@timil.com wrote:

 In article c089fb5c53.br...@helpful.demon.co.uk, Bryan Hogan
 nets...@helpful.demon.co.uk wrote:
 Visiting this page with NetSurf build #1257 on my Omega (300MHz
 StrongARM, RISC OS 4.39, 1920x1080x16m) is very slow:

   http://stardot.org.uk/forums/viewtopic.php?f=16t=6753

 Displaying a 5109x3387 full colour image at 600x398 (or whatever it
 is) is considered 'bad form' and obviously requires the image to be
 resized each time NetSurf displays it onscreen. Perhaps NetSurf should
 be caching the smaller version it creates for longer?

Yes, that would help.

 How long does it take for ChangeFSI to resize it to 600x398? About a
 minute on this Iyonix.

I don't know, the version (1.27) of ChangeFSI I have crashes on this 
picture!

 I don't think its entirely a NetSurf issue or a
 memory size issue but a processor speed

Not simply a processor speed issue because the OS JPEG routines, as 
used in SwiftJPEG for example, can display it at any scale in about 
one second.

Bryan.
-- 
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RISC OS London Show   -  http://www.riscoslondonshow.co.uk/

Slow image display

[Bryan Hogan]

Visiting this page with NetSurf build #1257 on my Omega (300MHz 
StrongARM, RISC OS 4.39, 1920x1080x16m) is very slow:

  http://stardot.org.uk/forums/viewtopic.php?f=16t=6753

It takes 66s to display, of which 45s is spent on the big image. And 
this being RISC OS, that's 45s of non-multitasking :-(

NetSurf uses about 80MB of memory to display the image, then after the 
page has been open for a minute, it releases most of that memory. 
Great, except then if any of the window needs redrawing there is 
another 45s wait :-(

Saving out the image, the OS can display it in only 1s, so why does 
NetSurf take 40 times as long?

I tried switching the Image options to Use OS and the image memory 
up to 100MB but it made no difference.

Bryan.

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Blank page on retrogt

[Bryan Hogan]

Using NetSurf 2.9 or the latest test build #856 with JS on or off,
the following gives a blank page:

  http://retrogt.com/blog/

The text displays with Browse, although with rubbish layout of
course!

RISC OS 4.39 and 5.19

Bryan.

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NetSurf text area editing crashes

[Bryan Hogan]

The problem with NetSurf crashing when editing text boxes has been
around for several years:

http://sourceforge.net/tracker/?func=detailaid=2943862%20group_id=51719atid=464312

(and several other entries in the bug tracker)

Is it specific to NetSurf on RISC OS or does it affect all
versions? Is it being actively looked into?

Thanks,
Bryan.
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Re: Hotlist truncation/corruption

[Bryan Hogan]

In message 60245ff252.harr...@blueyonder.co.uk
  Harriet Bazley li...@orange.wingsandbeaks.org.uk wrote:

 Is anyone else seeing this behaviour?

Yes, most of my Hotlist has vanished too :-(

Looking at the Hotlist file it is not corrupted, the html is
perfectly formed, it's just missing all but the first 35ish
entries.

Bryan.

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Re: NetSurf at Wakefield Show 2010

[Bryan Hogan]

In message 50d979b0e4t...@netsurf-browser.org
  Michael Drake t...@netsurf-browser.org wrote:

 The NetSurf developers plan to release NetSurf 2.5 at the
 Wakefield RISC OS Show this year.

Excellent, something to look forward to!

 We also hope for speed improvements in parsing of HTML and CSS,
 as well as faster CSS selection.

That will be much appreciated. I've had to go back to 2.1 for general 
usage because the test builds had become too slow. The ROOL forums are 
particularly bad..

 NetSurf 2.5 is likely to be the last release for RISC OS.

:-(

I take it none of those who were looking at taking on the RISC OS 
frontend were able to commit the necessary time to it?

 The source code for the RISC OS front end will continue to be
 available in the normal place

So there's still hope!

 The NetSurf Developers

Thanks to you all for your work producing an excellent browser.

Bryan.

Blank website

[Bryan Hogan]

Anyone know why this website:

http://croydondarts.leaguerepublic.com/

...only displays the headings and none of the main page body? The same 
problem affects all the sub-sites of leaguerepublic.

Tried with NetSurf r6763 and v1.2, both on RO4.39.

It's not a javascript issue, because it displays in Browse!

Thanks,
Bryan.

Re: Graphics refresh problem

[Bryan Hogan]

In message 1da8842e50.roger...@rogerarm.freeuk.com
  Roger Darlington roger...@freeuk.com wrote:

 You may find screen usage statistics interesting:
 
 http://www.w3schools.com/browsers/browsers_display.asp
 
 Half of users are still on 1024 or less horizontal pixels.

 Conversely, the other half are still on 1024 horizontal pixels, or
 more :-))

Just because that is the size of my screen does not mean that is the 
size of my browser window. I hate websites that assume the two are the 
same.

Of course, as websites read this info using Javascript, the tests 
don't work on NetSurf anyway.

Bryan.