I want to generate a lighter png

Is there a better way to do something in java of PNG 8, Truecolour: BitDepth byte [] or bitmap, the base64 data?

OK, I think that I get it now.

Do you the same thing in Java.

Step 1, you need to convert the image base64 bytes

Use your own code or Base64InputStream.

Step 2, create a Bitmap of this

Use Bitmap.createImageFromPNG or Bitmap.createImageFromBytes

Step 3, extract the pixels

use .getARGB (.)

Step 4, the process of the ARGB

do any processing you want to do on each pixel - for example, convert to black and white

Step 5, set this back in a Bitmap image

use .setARGB (.)

Now, you can process the Bitmap image that you need.

Hope it makes sense.

Tags: BlackBerry Developers

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