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akexorcist/resizeBitmap.java

Last active August 29, 2015 14:02
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Resize bitmap with same ratio
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resizeBitmap.java
public Bitmap resizeBitmap(Bitmap bm, int maxWidth, int maxHeight) {
int newWidth, newHeight;
int bmWidth = bm.getWidth();
int bmHeight = bm.getHeight();
if(bmWidth > maxWidth && (maxWidth * bmHeight) / bmWidth < maxHeight) {
newWidth = maxWidth;
newHeight = (maxWidth * bmHeight) / bmWidth;
} else {
newWidth = (maxHeight * bmWidth) / bmHeight;
newHeight = maxHeight;
}
return Bitmap.createScaledBitmap(bm, newWidth, newHeight, false);
}
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