Re: Re (3): [OT] Re: An inline bitmap in an HTML file.

2012-08-19 Thread Camaleón
On Sat, 18 Aug 2012 13:53:01 -0800, peasthope wrote:

 From: Camaleon noela...@gmail.com
 Date: Sat, 18 Aug 2012 19:48:51 + (UTC) To keep things as simple as
 possible, instead PNG (or SVG) I would go for a GIF image ...
 
 Open source people usually recommend PNG rather than JPG. Yours is the
 the first recommendation for GIF.

I can't see why not recommending GIF (the only issue was the patented 
algorithm for compression which is now expired), this image format is 
perfect for small B/W images like yours.

PNG and SVG both can be unable to render from old browsers.

Greetings,

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Re (3): [OT] Re: An inline bitmap in an HTML file.

2012-08-18 Thread peasthope
From:   Linux-Fan ma_sys...@web.de
Date:   Fri, 17 Aug 2012 21:52:08 +0200
 The command rsvg [source] [destination] easily converts SVG to PNG. 

I used rsvg to recreate the PNG image and it appears identical to the 
image made by convert a few days back.  The same artifacts are present.
http://members.shaw.ca/peasthope/Category2.html#ProductDiagrams

 It was too slow for my
 300 MiB svg file and I found that rsvg did this much faster (and also
 used a lot more RAM).

Seems possible that convert and rsvg use the same rasterizing software  
and the differences you found relate to other factors.

Regards,  ... Peter E.


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Re: Re (2): [OT] Re: An inline bitmap in an HTML file.

2012-08-18 Thread Camaleón
On Fri, 17 Aug 2012 10:48:41 -0800, peasthope wrote:

 From: Camaleon noela...@gmail.com
 Date: Fri, 17 Aug 2012 15:19:25 + (UTC)
 ... really mean you were not aware that there existed the img tag for
 displaying images in html?
 
 Used img border= ... in many places.  In this instance I became so
 preoccupied with transforming the example to my case, that img didn't
 cross my mind.  Tunnel vision or tunnel thinking.

Ha. Yes... that happens :-)
 
 Incidentally,
 http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0 has two
 artifacts which are noticeable on comparison with
 http://members.shaw.ca/peasthope/Category2.xhtml . I used convert from
 Imagemagick to make the png from the svg.

To keep things as simple as possible, instead PNG (or SVG) I would go for 
a GIF image format to avoid having problems with web browsers. Also, 
remember that img tag is an element that usually degrades quite well 
even when using text based browsers.

Greetings,

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Re (3): [OT] Re: An inline bitmap in an HTML file.

2012-08-18 Thread peasthope
From:   Camaleon noela...@gmail.com
Date:   Sat, 18 Aug 2012 19:48:51 + (UTC)
To keep things as simple as possible, instead PNG (or SVG) I would go for 
a GIF image ...

Open source people usually recommend PNG rather than JPG.  
Yours is the the first recommendation for GIF.

Thanks, ... Peter E.

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Re: [OT] Re: An inline bitmap in an HTML file.

2012-08-17 Thread Camaleón
On Thu, 16 Aug 2012 16:47:30 -0800, peasthope wrote:

 Why?
 
 My first Google search turned up the example in the w3.org page cited in
 the original query.

I see... but you really mean you were not aware that there existed the 
img tag for displaying images in html?

 Don't you like the img tag? :-?
 
 So many choices.  Will try img.

:-)

The object tag is mainly used to load another kind of content (java 
applets, multimedia files and all kind of external/non native plugins, 
in general).

A good source for getting the basics on html and related technologies is 
this site:

http://www.w3schools.com

 you mean the image at the bottom (Product Diagrams)?
 
 Correct.
 
 Maybe I'm missing something but I can see the image rendered using
 Firefox 14.0.1 :-?
 
 Yes, with the correction from Manuel Cremer it works.

Ah! I saw the one that was already working, sorry :-P

 http://members.shaw.ca/peasthope/Category2.xhtml was developed first. 
 The SVG diagrams there are displayed correctly by Iceweasel but not by
 some browers.  For them I am making Category2.html with png diagrams.

Yes, SVG is not well supported in many Internet Explorer versions, for 
instance.

 Thanks for recommending img,   ... Peter E.

You're welcome.

Note there's a slight difference when using object and img tags. 
Look, if you open the page:

http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0

Rigth-click over the image and choose view image info, there's no 
preliminary view, it appears to be broken. This can be good (to avoid 
being scanned by bots) or bad (the web browser cannot cache the source).

Greetings,

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Re (2): [OT] Re: An inline bitmap in an HTML file.

2012-08-17 Thread peasthope
From:   Camaleon noela...@gmail.com
Date:   Fri, 17 Aug 2012 15:19:25 + (UTC)
 ... really mean you were not aware that there existed the 
 img tag for displaying images in html?

Used img border= ... in many places.  In this instance 
I became so preoccupied with transforming the example 
to my case, that img didn't cross my mind.  Tunnel vision 
or tunnel thinking.

Incidentally, 
http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0
has two artifacts which are noticeable on comparison with 
http://members.shaw.ca/peasthope/Category2.xhtml .
I used convert from Imagemagick to make the png from the svg.

Regards, ... Peter E.

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Re: Re (2): [OT] Re: An inline bitmap in an HTML file.

2012-08-17 Thread Linux-Fan
On 08/17/2012 08:48 PM, peasth...@shaw.ca wrote:
 From: Camaleon noela...@gmail.com
 Date: Fri, 17 Aug 2012 15:19:25 + (UTC)
 ... really mean you were not aware that there existed the 
 img tag for displaying images in html?
 
 Used img border= ... in many places.  In this instance 
 I became so preoccupied with transforming the example 
 to my case, that img didn't cross my mind.  Tunnel vision 
 or tunnel thinking.
 
 Incidentally, 
 http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0
 has two artifacts which are noticeable on comparison with 
 http://members.shaw.ca/peasthope/Category2.xhtml .
 I used convert from Imagemagick to make the png from the svg.

I did not try this with your SVG graphics as I did not bother to extract
them from the XHTML source but you could probably try librsvg2-bin. The
command rsvg [source] [destination] easily converts SVG to PNG. I also
had some problems with convert's SVG rendering. It was too slow for my
300 MiB svg file and I found that rsvg did this much faster (and also
used a lot more RAM).

 
 Regards, ... Peter E.


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[OT] Re: An inline bitmap in an HTML file.

2012-08-16 Thread Camaleón
On Wed, 15 Aug 2012 12:21:58 -0800, peasthope wrote:

 At the end of this section is an example illustrating inline data in an
 HTML file.
 
 http://www.w3.org/TR/html4/struct/objects.html#h-13.3.1

Yes, the object tag is mainly used for uncommon elements.

 Here I tried to use that idea to include a png image.

Why? Don't you like the img tag? :-?

AFAIK, static PNG images are nowadays supported by most modern browsers.

 http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0
 
 Iceweasel 14.0.1 displays the caption, 0x0, but no image.  The page
 validates and the problem is unlikely to be in Iceweasel.  Any advice?

Mmm... you mean the image at the bottom (Product Diagrams)? Maybe I'm 
missing something but I can see the image rendered using Firefox 
14.0.1 :-?

Greetings,

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Re: [OT] Re: An inline bitmap in an HTML file.

2012-08-16 Thread peasthope
From:   Camaleon noela...@gmail.com
Date:   Thu, 16 Aug 2012 14:49:24 + (UTC)
 Why? 

My first Google search turned up the example in the w3.org 
page cited in the original query.

 Don't you like the img tag? :-?

So many choices.  Will try img.

 you mean the image at the bottom (Product Diagrams)? 

Correct.

 Maybe I'm missing something but I can see the image rendered 
 using Firefox 14.0.1 :-?

Yes, with the correction from Manuel Cremer it works.

http://members.shaw.ca/peasthope/Category2.xhtml was developed 
first.  The SVG diagrams there are displayed correctly by 
Iceweasel but not by some browers.  For them I am making 
Category2.html with png diagrams.

Thanks for recommending img,   ... Peter E.



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An inline bitmap in an HTML file.

2012-08-15 Thread peasthope
At the end of this section is an example illustrating 
inline data in an HTML file.

http://www.w3.org/TR/html4/struct/objects.html#h-13.3.1

Here I tried to use that idea to include a png image.

http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0

Iceweasel 14.0.1 displays the caption, 0x0, but no image.  The page 
validates and the problem is unlikely to be in Iceweasel.  Any advice?

Thanks,  ... Peter E.



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Re: An inline bitmap in an HTML file.

2012-08-15 Thread Manuel Cremer
On 08/15/2012 10:21 PM, peasth...@shaw.ca wrote:
 At the end of this section is an example illustrating 
 inline data in an HTML file.
 
 http://www.w3.org/TR/html4/struct/objects.html#h-13.3.1
 
 Here I tried to use that idea to include a png image.
 
 http://members.shaw.ca/peasthope/Category2.html#Product0x0Test0
 
 Iceweasel 14.0.1 displays the caption, 0x0, but no image.  The page 
 validates and the problem is unlikely to be in Iceweasel.  Any advice?
 
 Thanks,  ... Peter E.

Although I do not know why this should be debian-related, it is a small
typing mistake:

it must be
type=img/png data=data:image/png;base64,
iVBORw0KGgoNSUhEUgAAAIYAAADyEAQAAAByU6mOAmJLR0T//xSrMc0JcEhZcwAA...

instead of
type=img/png data=data:base64,
iVBORw0KGgoNSUhEUgAAAIYAAADyEAQAAAByU6mOAmJLR0T//xSrMc0JcEhZcwAA...

It is actually documented in the W3C sheet you refer to.


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Re (2): An inline bitmap in an HTML file.

2012-08-15 Thread peasthope
From:   Manuel Cremer ma_sys...@web.de
Date:   Wed, 15 Aug 2012 23:38:20 +0200
 Although I do not know why this should be debian-related, ...

True enough, it isn't.  At the time there seemed a small 
chance it was an iceweasel problem and in any case, many 
sharp people read this list.

 it must be
 type=img/png data=data:image/png;base64,

Specifying the type and then specifying it again in the 
data is counter-intuitive.  It must be an idiosyncracy of 
the syntax.

Thanks! ... Peter E.




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