private Bitmap prepare(final Bitmap map) {
int dstW = request.getRequiredWidth(), dstH = request.getRequiredHeight();
if (dstW <= 0 || dstH <= 0 || request.isSkipScaleBeforeMemCache()) {
if (imagesManager.debug) {
Log.d(
TAG,
"Skip scaling for "
+ request.getKey()
+ " skip flag: "
+ request.isSkipScaleBeforeMemCache());
}
return map;
}
final int w = map.getWidth(), h = map.getHeight();
if (w <= dstW && h <= dstH) {
return map;
}
final double ratio = (double) w / h;
if (w > h) {
dstH = (int) (dstW / ratio);
} else {
dstW = (int) (dstH * ratio);
}
if (dstW <= 0 || dstH <= 0) {
return map;
}
final Bitmap scaled = Bitmap.createScaledBitmap(map, dstW, dstH, true);
scaled.setDensity(imagesManager.getResources().getDisplayMetrics().densityDpi);
return scaled;
}
