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Don't do this on your siteLast update:
30/01/2010; 11:58:41
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BMPs and PNGs are now cool
BMPs and PNGs are now cool
I've meant to add it for a while, but last night one new school sent a dozen BMPs via email. They all bounced, with the message:
Warning! BMPs are invariably huge! A single file maybe 170k, where as when we convert it to JPEG it drops to 17k. That's an order of magnitude smaller. It doesn't make any difference once it's here. But sending them... It maybe better to convert them yourself, to the smaller JPEG format, before you send. It'll go up the pipes quicker and you can get more to an email.
With GIFs, we treat them slightly differently. We keep the pop up as a gif, but convert the thumb into a JPEG. For two reasons: when you shrink a GIF and keep it as a GIF, the image invariably becomes unviewable, you lose the image. And, you'd probably want to keep the pop up as a GIF, because it must have looked right when you sent it. For example, when I snap a screen shot as a GIF, it looks pretty much as I see on screen, though it's only in 256 colours. It's crisp and sharp. But if I snap a JPEG, it becomes muddy and a little blurred.
# Posted by steve hooker at 23/1/09; 2:34:08 PM to the How tos dept.
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BMPs and PNGs are now cool
Now, we accept them. Though, we promptly convert them from BMPs or PNGs into JPEGs and carry on as before.One of your files was *not posted* to your Weblog because it was not a JPG or GIF. Nor was it a .doc, .wps, .xls, .ppt, .pub, .rtf or .txt. Nor another video format we understand.
Warning! BMPs are invariably huge! A single file maybe 170k, where as when we convert it to JPEG it drops to 17k. That's an order of magnitude smaller. It doesn't make any difference once it's here. But sending them... It maybe better to convert them yourself, to the smaller JPEG format, before you send. It'll go up the pipes quicker and you can get more to an email.
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The thumbnail is a JPEG while the pop-up is a GIF and was originally. Clean sharp text.
With GIFs, we treat them slightly differently. We keep the pop up as a gif, but convert the thumb into a JPEG. For two reasons: when you shrink a GIF and keep it as a GIF, the image invariably becomes unviewable, you lose the image. And, you'd probably want to keep the pop up as a GIF, because it must have looked right when you sent it. For example, when I snap a screen shot as a GIF, it looks pretty much as I see on screen, though it's only in 256 colours. It's crisp and sharp. But if I snap a JPEG, it becomes muddy and a little blurred.
# Posted by steve hooker at 23/1/09; 2:34:08 PM to the How tos dept.
Discuss Comment [0]
BMPs and PNGs are now cool
WalsallSchools.org 