On Wed, Jun 24, 2009 at 2:37 PM, Gavin Aiken <gavin.ai...@imperial.ac.uk>wrote:
> Hey all! > > This has been frustrating me for a while, all I want is to scale an image > to dimensions that I define whilst keeping an aspect ratio. So for example, > image comes in at 500 * 500, I want to scale to 320 * 480 so I need 320 * > 320 so as not to distort the image. > > This must be a simple 3 lines of code using a matrix? I just can't do it, > it's lame, i'm very tired and it turns out I suck at programming. One of > those days! :) > > Any help greatly appreciated, what you have to work with is this; It might help if you told us what "newWidth" and "width" are, and what goes wrong when you run the code. > float scaleWidth = ((float) newWidth) / width; > float scaleHeight = ((float) newHeight) / height; > > scale = larger of the two scales; > > // createa matrix for the manipulation > Matrix matrix = new Matrix(); > // resize the bit map > matrix.postScale(scale, scale); > > // recreate the new Bitmap > Bitmap resizedBitmap = Bitmap.createBitmap(bitmapOrg, 0, 0, > width, height, matrix, true); > > > Gav > > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to android-developers@googlegroups.com To unsubscribe from this group, send email to android-developers-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---