PNG file structure analysis (I: Understand the PNG file storage format)
Preface
We all know that during the development of the mobile phone application program for j2's, we can use images in PNG format (even on some mobile phones, we can only
Saturday to participate in the Webtech Eighth Web Exchange, about picture optimization, actually involves a PNG image instead of GIF, but in the Web page can not achieve transparency effect.
Look at the pictures of Taobao, in fact, are PNG. The
Periodically, someone tells me about the magic of PNG, how it's the ideal image format for the web, and that someday we'll all be using it on our sites instead of GIF. people have been saying this for years, and by now most of us have stopped
Solution for failure of transparent effect (with gray background) of PNG images under IE6
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Solve the Problem of PNG transparency failure in IE6. PNG-IE6. PNG is transparent
Original Jeff AtwoodSpeaking of the image format used on the Internet, there are usually 3 kinds: JPEG, GIF, and PNG. It is relatively easy to decide which format to use: If you want to keep a photographic picture of continuous tones, select lossy
Apply PNG Image Of Transparent Or half Transparent Can make a very beautiful web page. Firefox and opera provide excellent support for PNG. IE While ignoring PNG Image This feature"Exist", although IE 7All supported IE 6 Or not. QuerySome materials
The hateful IE6 did not support the transparent effect of PNG. It was not found by FF that it was a mess to browse IE6 today. It was a mess that IE6 did not support the transparent effect of PNG, crazy. I have found two articles on the Internet to
Next, we introduce several PNG images in the IE6 opaque solution1, with their own PNG, let IE6 side to goThe first time you make a PNG image, save it as a GIF, because IE6 is a GIF image that supports transparency and then defines it in CSS. Pngtest
I recently found that the PNG image cannot be normally displayed under IE6, which makes me very worried. Using the transparent or translucent features of PNG images, you can make very beautiful webpages. In Firefox and Opera, PNG support is very
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