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Convolve5x5.javaAPI DocAndroid 5.1 API4094Thu Mar 12 22:22:54 GMT 2015com.android.rs.imagejb

Convolve5x5

public class Convolve5x5 extends TestBase

Fields Summary
private ScriptC_convolve5x5
mScript
private android.renderscript.ScriptIntrinsicConvolve5x5
mIntrinsic
private int
mWidth
private int
mHeight
private boolean
mUseIntrinsic
Constructors Summary
public Convolve5x5(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);
        //f[0] = 0.012f; f[1] = 0.025f; f[2] = 0.031f; f[3] = 0.025f; f[4] = 0.012f;
        //f[5] = 0.025f; f[6] = 0.057f; f[7] = 0.075f; f[8] = 0.057f; f[9] = 0.025f;
        //f[10]= 0.031f; f[11]= 0.075f; f[12]= 0.095f; f[13]= 0.075f; f[14]= 0.031f;
        //f[15]= 0.025f; f[16]= 0.057f; f[17]= 0.075f; f[18]= 0.057f; f[19]= 0.025f;
        //f[20]= 0.012f; f[21]= 0.025f; f[22]= 0.031f; f[23]= 0.025f; f[24]= 0.012f;

        //f[0] = 1.f; f[1] = 2.f; f[2] = 0.f; f[3] = -2.f; f[4] = -1.f;
        //f[5] = 4.f; f[6] = 8.f; f[7] = 0.f; f[8] = -8.f; f[9] = -4.f;
        //f[10]= 6.f; f[11]=12.f; f[12]= 0.f; f[13]=-12.f; f[14]= -6.f;
        //f[15]= 4.f; f[16]= 8.f; f[17]= 0.f; f[18]= -8.f; f[19]= -4.f;
        //f[20]= 1.f; f[21]= 2.f; f[22]= 0.f; f[23]= -2.f; f[24]= -1.f;

        if (mUseIntrinsic) {
            mIntrinsic = ScriptIntrinsicConvolve5x5.create(mRS, Element.U8_4(mRS));
            mIntrinsic.setCoefficients(f);
            mIntrinsic.setInput(mInPixelsAllocation);
        } else {
            mScript = new ScriptC_convolve5x5(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[25];
        final float f125 = 1.f / 25.f;
        float cf1 = blend(f125, -1.f, str);
        float cf2 = blend(f125, -3.f, str);
        float cf3 = blend(f125, -4.f, str);
        float cf4 = blend(f125, 6.f, str);
        float cf5 = blend(f125, 20.f, str);
        float cf6 = blend(f125, 0.f, str);
        f[0] = cf1;  f[1] = cf2; f[2] = cf3; f[3] = cf2; f[4] = cf1;
        f[5] = cf2;  f[6] = cf6; f[7] = cf4; f[8] = cf6; f[9] = cf2;
        f[10]= cf3;  f[11]= cf4; f[12]= cf5; f[13]= cf4; f[14]= cf3;
        f[15]= cf2;  f[16]= cf6; f[17]= cf4; f[18]= cf6; f[19]= cf2;
        f[20]= cf1;  f[21]= cf2; f[22]= cf3; f[23]= cf2; f[24]= cf1;
        return f;