Methods Summary |
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public static android.support.v8.renderscript.ScriptIntrinsicLUT | create(RenderScript rs, Element e)Supported elements types are {@link Element#U8_4}
The defaults tables are identity.
if (rs.isNative) {
RenderScriptThunker rst = (RenderScriptThunker) rs;
return ScriptIntrinsicLUTThunker.create(rs, e);
}
int id = rs.nScriptIntrinsicCreate(3, e.getID(rs));
ScriptIntrinsicLUT si = new ScriptIntrinsicLUT(id, rs);
si.mTables = Allocation.createSized(rs, Element.U8(rs), 1024);
for (int ct=0; ct < 256; ct++) {
si.mCache[ct] = (byte)ct;
si.mCache[ct + 256] = (byte)ct;
si.mCache[ct + 512] = (byte)ct;
si.mCache[ct + 768] = (byte)ct;
}
si.setVar(0, si.mTables);
return si;
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public void | forEach(Allocation ain, Allocation aout)Invoke the kernel and apply the lookup to each cell of ain
and copy to aout.
if (mDirty) {
mDirty = false;
mTables.copyFromUnchecked(mCache);
}
forEach(0, ain, aout, null);
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public Script.KernelID | getKernelID()Get a KernelID for this intrinsic kernel.
return createKernelID(0, 3, null, null);
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public void | setAlpha(int index, int value)Set an entry in the alpha channel lookup table
validate(index, value);
mCache[index+768] = (byte)value;
mDirty = true;
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public void | setBlue(int index, int value)Set an entry in the blue channel lookup table
validate(index, value);
mCache[index+512] = (byte)value;
mDirty = true;
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public void | setGreen(int index, int value)Set an entry in the green channel lookup table
validate(index, value);
mCache[index+256] = (byte)value;
mDirty = true;
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public void | setRed(int index, int value)Set an entry in the red channel lookup table
validate(index, value);
mCache[index] = (byte)value;
mDirty = true;
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private void | validate(int index, int value)
if (index < 0 || index > 255) {
throw new RSIllegalArgumentException("Index out of range (0-255).");
}
if (value < 0 || value > 255) {
throw new RSIllegalArgumentException("Value out of range (0-255).");
}
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