Comments (5)
you can save the view as a bitmap:
if( false == view.isDrawingCacheEnabled()){
view.setDrawingCacheEnabled(true);
}
Bitmap bitmap = content.getDrawingCache();
Original comment by [email protected]
on 21 Apr 2011 at 8:29
from achartengine.
Can you provide an example of this ? , I can't see how I can access the bitmap
without doing a custom mod of achartengine
Original comment by [email protected]
on 18 May 2011 at 9:58
from achartengine.
Fixed in SVN rev. r188.
Added GraphicalView.toBitmap()
Original comment by [email protected]
on 19 May 2011 at 5:34
- Changed state: Fixed
from achartengine.
I am not able to save pie chart as bitmap then to image file.
Can you help?
here is may code
GraphicalView gview = execute(this);
if (false == gview.isDrawingCacheEnabled()) {
gview.setDrawingCacheEnabled(true);
}
Bitmap img = gview.getDrawingCache(); //gets NULL !!!
try {
FileOutputStream out = new FileOutputStream(getApplicationContext().getFilesDir() + "/pie.jpeg");
img.compress(Bitmap.CompressFormat.JPEG, 97, out);
out.close();
} catch (Exception e) {
e.printStackTrace();
}
public GraphicalView execute(Context context) {
double[] values = new double[] { 12, 14, 11, 10, 19 };
int[] colors = new int[] { Color.BLUE, Color.GREEN, Color.MAGENTA,
Color.YELLOW, Color.CYAN };
DefaultRenderer renderer = buildCategoryRenderer(colors);
renderer.setLabelsTextSize(14);
GraphicalView gview = ChartFactory.getPieChartView(context,
buildCategoryDataset("Project budget", values), renderer);
return gview;
}
Original comment by [email protected]
on 29 Jun 2011 at 11:58
from achartengine.
Did you add the needed permission for that?
Original comment by [email protected]
on 29 Jun 2011 at 3:46
from achartengine.
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