if i change "Picture newPicture = Picture.createFromStream(in); " to "Picture newPicture = new Picture();" it does not restart the app but the image is black and only 150 bytes
On Jan 4, 12:41 pm, Protocol-X <[email protected]> wrote: > I gave it a try and all it does is make the app restart with no > error. > > On Jan 4, 12:09 pm, "Sergey Ten" <[email protected]> wrote: > > > > > I have not tried it myself, but looks like you can use Picture class. > > E.g: > > > �...@override protected void onDraw(Canvascanvas) { > > > FileInputStream in = null; > > try { > > in = new FileInputStream("myimage.jpg"); > > } catch (FileNotFoundException e) { > > // TODO Auto-generated catch block > > e.printStackTrace(); > > } > > > Bitmap bitmapOrg = BitmapFactory.decodeStream(in); > > > int wd = bitmapOrg.getWidth(); > > int hd = bitmapOrg.getHeight(); > > > Picture newPicture = Picture.createFromStream(in); > > CanvasnewCanvas = newPicture.beginRecording(wd, hd); > > newCanvas.drawBitmap(bitmapOrg, 0, 0, null); > > newCanvas.drawBitmap(bitmapOrg, wd, 0, null); > > newCanvas.drawBitmap(bitmapOrg, 0, hd, null); > > newCanvas.drawBitmap(bitmapOrg, wd, hd, null); > > newPicture.endRecording(); > > > FileOutputStream fos = null; > > try { > > fos = new FileOutputStream("/sdcard/test.png"); > > } catch (FileNotFoundException e) { > > e.printStackTrace(); > > } > > newPicture.writeToStream(fos); > > > BTW, since you are accessing in and fos outside of try blocks, the app > > can throw NPE. > > > Sergey > > > -----Original Message----- > > From: [email protected] > > > [mailto:[email protected]] On Behalf Of Protocol-X > > Sent: Sunday, January 04, 2009 5:27 AM > > To: Android Developers > > Subject: [android-developers] Problem savingcanvasto file > > > Ive been searching all ove on how to edit a image andsaveit. The > > only way i have come accross other than just changing the size or > > orientation is to usecanvas. Nowcanvasworks fine but i cannot seem > > tosavethe newley created image.. the image always returns the > > original image. > > > �...@override protected void onDraw(Canvascanvas) { > > > FileInputStream in = null; > > try { > > in = new FileInputStream("myimage.jpg"); > > } catch (FileNotFoundException e) { > > // TODO Auto-generated catch block > > e.printStackTrace(); > > } > > > Bitmap bitmapOrg = BitmapFactory.decodeStream(in); > > > int wd = bitmapOrg.getWidth(); > > int hd = bitmapOrg.getHeight(); > > > canvas.drawBitmap(bitmapOrg, 0, 0, null); > > canvas.drawBitmap(bitmapOrg, wd, 0, null); > > canvas.drawBitmap(bitmapOrg, 0, hd, null); > > canvas.drawBitmap(bitmapOrg, wd, hd, null); > > > canvas.save(); > > > FileOutputStream fos = null; > > try { > > fos = new > > FileOutputStream("/sdcard/test.png"); > > } catch (FileNotFoundException e) { > > > e.printStackTrace(); > > } > > bitmapOrg.compress(Bitmap.CompressFormat.PNG, > > 50, fos); > > > try { > > fos.close(); > > } catch (IOException e) { > > > e.printStackTrace(); > > } > > }- Hide quoted text - > > > - Show quoted text -- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---
