Have you made sure you are not running in screen density compatibility mode?
On Sun, Apr 24, 2011 at 11:05 AM, Simon Platten < [email protected]> wrote: > I can get the size of the wallpaper from the wallpaper manager: > > m_context = app.getApplicationContext(); > WallpaperManager wpMngr = WallpaperManager.getInstance( > m_context ); > m_intWPheight = wpMngr.getDesiredMinimumHeight(); > m_intWPwidth = wpMngr.getDesiredMinimumWidth(); > > I can then get the size of the display area: > > > Display display = app.getWindowManager().getDefaultDisplay(); > m_intScrWidth = display.getWidth(); > m_intScrHeight = display.getHeight(); > > I have my image that I want to rescale: > > > m_bmpImage = BitmapFactory.decodeResource( m_res, intResId ); > m_intImgWidth = m_bmpImage.getWidth(); > m_intImgHeight = m_bmpImage.getHeight(); > > Scaling from the Image height to the display height: > > m_fltSFbyHeight = (float)m_intScrHeight / > (float)m_intImgHeight; > > What I want to do is create a black bitmap that is the same size as the > wallpaper ( intWPwidth, m_intWPheight ), then copy/blit into this bitmap the > bitmap to use as the wallpaper re-scaling it to fit if required, so I end up > with a bitmap image the same size as the wallpaper with the image centered > and scaled in the middle of it. > > Thank you. > > > > On Sun, Apr 24, 2011 at 6:39 PM, Simon Platten < > [email protected]> wrote: > >> Sorry, I should have included the code to resize, once I calculate the >> new width and height I call: >> >> return Bitmap.createScaledBitmap(m_bmpImage, >> m_intFinalWidth, >> m_intFinalHeight, >> false); >> >> >> >> On 24/04/2011 6:34 PM, Simon Platten wrote: >> >> When using the code on Android 1.6 platforms, the bitmaps are re-sized as >> aspected, however when used on Android 2.1 its as if the function to rescale >> has no effect what so ever, the wallpapers always come out the wrong size. >> >> >> On Sun, Apr 24, 2011 at 9:12 AM, Simon Platten < >> [email protected]> wrote: >> >>> On Android 1.6 my wallpaper applications resize the wallpapers correctly, >>> however on Android 2.1 the resizing doesn't work, its the same on the >>> emulator. >>> >>> I've tried using both the Matrix and Bitmap.createScaledBitmap both do >>> exactly the same and work find on 1.6. Can anyone explain what is happing >>> and why these routines don't work on Android 2.1? >>> >>> I start off by getting the device screen size using: >>> >>> Display display = app.getWindowManager(). >>> getDefaultDisplay(); >>> m_intScrWidth = display.getWidth(); >>> m_intScrHeight = display.getHeight(); >>> >>> I load the image from a resource with: >>> >>> m_bmpImage = BitmapFactory.decodeResource( m_res, intResId ); >>> m_intImgWidth = m_bmpImage.getWidth(); >>> m_intImgHeight = m_bmpImage.getHeight(); >>> m_fltSFbyHeight = (float)m_intScrHeight / >>> (float)m_intImgWidth; >>> >>> Then to scale the image: >>> >>> m_intFinalWidth = (int)((float)m_intImgWidth * m_fltSFbyHeight); >>> m_intFinalHeight = (int)((float)m_intImgHeight * >>> m_fltSFbyHeight); >>> >>> Thank you, >>> Simon >>> >> >> >> > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
