Posts Tagged decompress

Image Loading Performance

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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PNG, JPEG, and JPEG-XR Compression and Decompression Performance

Are you using the fastest assets you can? Yes, even the file format of the assets you use has a big bearing on the performance of your app. Ask yourself: is PNG faster to decompress than JPEG? Is it faster to compress to JPEG-XR or PNG? Do the quality settings matter? Today’s article explores the performance of Flash’s main three image formats—PNG, JPEG, and JPEG-XR—to find out which decompresses fastest at load time and compresses fastest at save time.

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Preloading Bitmap Decompression

Since they were introduced way back in Flash Player 8, bitmaps have become a core feature in almost all Flash apps. The way you handle them—creation, operations, and destroying—is one of the most important factors determining your app’s performance. Today’s article shows one little-known trick to help out the performance of loading and using bitmaps.

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