40 lines
1.2 KiB
Java
40 lines
1.2 KiB
Java
package com.derpfish.pinkielive;
|
|
|
|
import java.io.InputStream;
|
|
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.BitmapFactory;
|
|
|
|
public class BitmapLoader
|
|
{
|
|
public static Bitmap decodeSampledBitmapFromInputStream(InputStream istream, int sampleSize)
|
|
{
|
|
final BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = false;
|
|
options.inSampleSize = sampleSize;
|
|
return BitmapFactory.decodeStream(istream, null, options);
|
|
}
|
|
|
|
public static int getSampleSizeFromInputStream(InputStream istream, int reqWidth, int reqHeight)
|
|
{
|
|
// First decode with inJustDecodeBounds=true to check dimensions
|
|
final BitmapFactory.Options options = new BitmapFactory.Options();
|
|
options.inJustDecodeBounds = true;
|
|
BitmapFactory.decodeStream(istream, null, options);
|
|
|
|
// Calculate inSampleSize
|
|
return calculateInSampleSize(options, reqWidth, reqHeight);
|
|
}
|
|
|
|
private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight)
|
|
{
|
|
// Raw height and width of image
|
|
final int height = options.outHeight;
|
|
final int width = options.outWidth;
|
|
|
|
return Math.max(1, Math.max(
|
|
Math.round((float) height / (float) reqHeight),
|
|
Math.round((float) width / (float) reqWidth)));
|
|
}
|
|
}
|