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Convolve3x3.javaAPI DocAndroid 5.1 API2948Thu Mar 12 22:22:54 GMT 2015com.android.rs.imagejb

Convolve3x3

public class Convolve3x3 extends TestBase

Fields Summary
private ScriptC_convolve3x3
mScript
private android.renderscript.ScriptIntrinsicConvolve3x3
mIntrinsic
private int
mWidth
private int
mHeight
private boolean
mUseIntrinsic
Constructors Summary
public Convolve3x3(boolean useIntrinsic)

        mUseIntrinsic = useIntrinsic;
Methods Summary
public voidanimateBars(float time)

        float f[] = updateMatrix(time % 1.f);
        if (mUseIntrinsic) {
            mIntrinsic.setCoefficients(f);
        } else {
            mScript.set_gCoeffs(f);
        }
private floatblend(float v1, float v2, float p)

        return (v2 * p) + (v1 * (1.f-p));
public voidcreateTest(android.content.res.Resources res)

        mWidth = mInPixelsAllocation.getType().getX();
        mHeight = mInPixelsAllocation.getType().getY();

        float f[] = updateMatrix(1.f);
        if (mUseIntrinsic) {
            mIntrinsic = ScriptIntrinsicConvolve3x3.create(mRS, Element.U8_4(mRS));
            mIntrinsic.setCoefficients(f);
            mIntrinsic.setInput(mInPixelsAllocation);
        } else {
            mScript = new ScriptC_convolve3x3(mRS);
            mScript.set_gCoeffs(f);
            mScript.set_gIn(mInPixelsAllocation);
            mScript.set_gWidth(mWidth);
            mScript.set_gHeight(mHeight);
        }
public voidrunTest()

        if (mUseIntrinsic) {
            mIntrinsic.forEach(mOutPixelsAllocation);
        } else {
            mScript.forEach_root(mOutPixelsAllocation);
        }
private float[]updateMatrix(float str)

        float f[] = new float[9];
        float cf1 = blend(1.f / 9.f, 0.f, str);
        float cf2 = blend(1.f / 9.f, -1.f, str);
        float cf3 = blend(1.f / 9.f, 5.f, str);
        f[0] =  cf1;  f[1] = cf2;   f[2] = cf1;
        f[3] =  cf2;  f[4] = cf3;   f[5] = cf2;
        f[6] =  cf1;  f[7] = cf2;   f[8] = cf1;
        return f;