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d a v e
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RE: jpg gif & png - expert help needed! - 9/8/2005 0:07:40
if you use gif and 'lock' the colour you want in the palette then it will be exactly the same (not sure how you do that in PSP) using jpeg will result in small but noticable colour shifts - use a slightly higher than normal compression and also you can sample the background colour of your jpeg (not the psp) and use that colour for your html background :)
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David Prescott
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RickP
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RE: jpg gif & png - expert help needed! - 9/8/2005 18:51:06
Bobby,
Are you saying, create graphics first and then match the colours on the web page in HTML? - therefore (when matching graphic colours) not sticking fast to 'web-smart' colours only?
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On-The-Web-Now!
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RE: jpg gif & png - expert help needed! - 9/9/2005 0:11:14
could you post a url and a link to the original graphics? (can you save the graphics in an uncompressed format for those of us without psp e.g. 24 bit png or bitmap/tif ?
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David Prescott
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RE: jpg gif & png - expert help needed! - 9/9/2005 7:06:59
didn't notice much difference in the gif and only a small amount of banding in the left hand side of the jpeg.
yeah for some reason the background colour of the gif is changing to #346799 (sorry no rgb...) i'm not very familiar with psp but i'll explain what i did in fireworks:
i set the background as transparent (i.e. chose #336699 as the matte colour so it's the colour that is transparent in the gif that way the html colour in the table cell will show through the gif background and it will be definitely the right colour. the jpeg isn't going to be perfect and a gif isn't suitable for the gradients, but adding a small amount of noise to the left 50 pixels or so of the right banner smooths that banding (see attached link)
the only other surefire way of doing it is saving as a 24 bit png but the file size will triple
anway feel free to use my versions or load the (fireworks) png files into psp and play with the export settings to your liking
http://members.tiscali.fi/dave_pirjo/test-area/ART_graham_lock/graphics.htm
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David Prescott
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RickP
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RE: jpg gif & png - expert help needed! - 9/9/2005 9:05:59
Thanks Dave - it's an interesting little fine-tuning conundrum isn't it?
The reason I didn't attempt using a transparent bgnd for the gif is because there is shadowing behind the white text and previous experience tells me that using transparency with this effect isn't very good - but I'll take a good look at your results, which... I can't find from the link above - It gets me to a copy of the page I put up but I can't find any of the graphics files from there - ?
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RE: jpg gif & png - expert help needed! - 9/9/2005 9:40:22
to be honest i'm not sure that the line would have caught my attention if i hadn't been looking at it (or been doing a site review and feeling picky!!!) i think the upgrade in filesize for png doesn't justify the difference and people are going to be looking at the quality of your art, not the small difference in your header ;)
i'm surprised by the darkening png in IE - it doesn't support transparency but it does support 24 bit pngs...
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Printable Version 
). I realsie that this is being caused by the file types and the way they recreate the image but what can I do about it? 
) but... when I view it in IE the PNG image does not display at all right - it darkens considerbly! 
