Posts Tagged image

JPEG-XR Viewer (PNG, GIF, SWF, and JPEG too!)

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Having covered JPEG-XR images recently, one thing has struck me as a little odd: there aren’t really any good cross-platform viewers available to look at them. Yes, it’s a bit of an obscure format, but shouldn’t there be something available? Well, I decided to make a simple Flash app to load a JPEG-XR image from a URL or a browse button and display it. Along the way I added support for PNG, JPEG, GIF, AVM1 SWF, and AVM2 SWF. Today’s article has the source code and the viewer itself. Added support for panning the image

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Image Loading Performance

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Which image format is fastest to load? That was perhaps the most relevant question in last week’s article, so it’s time to explore it more deeply. Today’s article examines differences between different types of PNG, JPEG, and JPEG-XR files to answer questions like “does the JPEG quality setting matter?” and “is indexed PNG faster than full (ARGB) PNG?” Read on for the test and all the details.

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