public static int getFormat(CapabilitiesImmutable rCaps) {
int fmt = PixelFormat.UNKNOWN;
if (!rCaps.isBackgroundOpaque()) {
fmt = PixelFormat.TRANSLUCENT;
} else if (rCaps.getRedBits() <= 5
&& rCaps.getGreenBits() <= 6
&& rCaps.getBlueBits() <= 5
&& rCaps.getAlphaBits() == 0) {
fmt = PixelFormat.RGB_565;
}
/* else if(rCaps.getRedBits()<=5 &&
rCaps.getGreenBits()<=5 &&
rCaps.getBlueBits()<=5 &&
rCaps.getAlphaBits()==1) {
fmt = PixelFormat.RGBA_5551; // FIXME: Supported ?
} */
else {
fmt = PixelFormat.RGBA_8888;
}
Log.d(MD.TAG, "getFormat: requested: " + rCaps);
Log.d(MD.TAG, "getFormat: returned: " + fmt);
return fmt;
}
public static CapabilitiesImmutable fixCaps(
boolean matchFormatPrecise, int format, CapabilitiesImmutable rCaps) {
PixelFormat pf = new PixelFormat();
PixelFormat.getPixelFormatInfo(format, pf);
final CapabilitiesImmutable res;
int r, g, b, a;
switch (format) {
case PixelFormat.RGBA_8888:
r = 8;
g = 8;
b = 8;
a = 8;
break;
case PixelFormat.RGBX_8888:
r = 8;
g = 8;
b = 8;
a = 0;
break;
case PixelFormat.RGB_888:
r = 8;
g = 8;
b = 8;
a = 0;
break;
case PixelFormat.RGB_565:
r = 5;
g = 6;
b = 5;
a = 0;
break;
case PixelFormat.RGBA_5551:
r = 5;
g = 5;
b = 5;
a = 1;
break;
case PixelFormat.RGBA_4444:
r = 4;
g = 4;
b = 4;
a = 4;
break;
case PixelFormat.RGB_332:
r = 3;
g = 3;
b = 2;
a = 0;
break;
default:
throw new InternalError("Unhandled pixelformat: " + format);
}
final boolean change =
matchFormatPrecise
|| rCaps.getRedBits() > r
&& rCaps.getGreenBits() > g
&& rCaps.getBlueBits() > b
&& rCaps.getAlphaBits() > a;
if (change) {
Capabilities nCaps = (Capabilities) rCaps.cloneMutable();
nCaps.setRedBits(r);
nCaps.setGreenBits(g);
nCaps.setBlueBits(b);
nCaps.setAlphaBits(a);
res = nCaps;
} else {
res = rCaps;
}
Log.d(MD.TAG, "fixCaps: format: " + format);
Log.d(MD.TAG, "fixCaps: requested: " + rCaps);
Log.d(MD.TAG, "fixCaps: chosen: " + res);
return res;
}
