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" <sergey....@zumobi.com> 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: android-developers@googlegroups.com
>
> [mailto:android-develop...@googlegroups.com] 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 -
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