Simon Willison’s Weblog


4 items tagged “pngs”


10 Cool Things We’ll Be Able To Do Once IE6 Is Dead. Highlights include child and attribute selectors, 24bit PNGs and max-width and min-width. Simple pleasures, but I can hardly wait.

# 15th April 2009, 2:17 pm / brothercake, browsers, css, ie6, maxwidth, minwidth, pngs, selectors, standards


Evil GIFs: Partial Same Origin Bypass with Hybrid Files. First there were PNGs that had crossdomain.xml files embedded in them, now there are GIFs that contain Java applets (as JAR files). At this point I’d say don’t even bother trying to validate uploaded files, just make sure they’re served off an entirely different domain instead where XSS doesn’t matter.

# 1st July 2008, 8:58 am / applets, crossdomainxml, gifs, javaapplets, pngs, security, uploads, validation, xss

When Bugs Collide: Fixing Text Dimming in Firefox 2. Handy tips from Drew on fixing the glitchy text rendering in Firefox 2 when you animate opacity without breaking alpha-transparent PNGs in IE6.

# 19th June 2008, 6:09 pm / browsers, bugs, css, drew-mclellan, firefox2, ie6, javascript, jquery, opacity, pngs


Transparent PNGs in Internet Explorer 6. 24ways kicks off again, with the first article introducing super-sleight, an updated script for getting transparent PNGs to work in IE6.

# 1st December 2007, 12:03 am / 24-ways, drew-mclellan, ie, ie6, javascript, pngs