Example usage for android.graphics Matrix getValues

Introduction

In this page you can find the example usage for android.graphics Matrix getValues.

Prototype

public void getValues(float[] values) 

Source Link

Document

Copy 9 values from the matrix into the array.

Usage

From source file:Main.java

public static float getValues(Matrix matrix, int offset) {
    matrix.getValues(mMatrixValues);
    return mMatrixValues[offset];
}

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From source file:Main.java

public static void getValuesFromMatrix(Matrix matrix, float[] values) {
    matrix.getValues(values);
}

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From source file:Main.java

public static float[] getValues(Matrix m) {
    float[] values = new float[9];
    m.getValues(values);
    return values;
}

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From source file:Main.java

public static float getCurrentScaleFromMatrix(Matrix matrix) {
    float[] values = new float[9];
    matrix.getValues(values);
    float scalex = values[Matrix.MSCALE_X];
    float skewy = values[Matrix.MSKEW_Y];
    return (float) Math.sqrt(scalex * scalex + skewy * skewy);
}

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From source file:Main.java

public static float getMatrixScale(Matrix matrix) {
    synchronized (MATRIX_VALUES) {
        matrix.getValues(MATRIX_VALUES);
        final float scaleX = MATRIX_VALUES[Matrix.MSCALE_X];
        final float skewY = MATRIX_VALUES[Matrix.MSKEW_Y];
        //noinspection SuspiciousNameCombination
        return (float) Math.sqrt((float) Math.pow(scaleX, 2) + (float) Math.pow(skewY, 2));
    }/*from w  w w. jav  a 2 s .  com*/
}

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From source file:Main.java

public static float getValue(Matrix matrix, int whichValue) {
    float[] mMatrixValues = new float[9];
    matrix.getValues(mMatrixValues);
    return mMatrixValues[whichValue];
}

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From source file:Main.java

@SuppressWarnings("unused")
public static float getMatrixValue(Matrix matrix, int whichValue) {
    synchronized (MATRIX_VALUES) {
        matrix.getValues(MATRIX_VALUES);
        return MATRIX_VALUES[whichValue];
    }/*  ww w  .  j  a  v  a 2  s. com*/
}

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From source file:Main.java

@SuppressWarnings("unused")
public static void getMatrixTranslation(Matrix matrix, PointF point) {
    synchronized (MATRIX_VALUES) {
        matrix.getValues(MATRIX_VALUES);
        point.x = MATRIX_VALUES[Matrix.MTRANS_X];
        point.y = MATRIX_VALUES[Matrix.MTRANS_Y];
    }/*  ww  w .j  a  v a2 s  . c  o  m*/
}

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From source file:Main.java

@SuppressWarnings("unused")
public static int getMatrixRotateDegrees(Matrix matrix) {
    synchronized (MATRIX_VALUES) {
        matrix.getValues(MATRIX_VALUES);
        final float skewX = MATRIX_VALUES[Matrix.MSKEW_X];
        final float scaleX = MATRIX_VALUES[Matrix.MSCALE_X];
        //noinspection SuspiciousNameCombination
        final int degrees = (int) Math.round(Math.atan2(skewX, scaleX) * (180 / Math.PI));
        if (degrees < 0) {
            return Math.abs(degrees);
        } else if (degrees > 0) {
            return 360 - degrees;
        } else {/*from   w w w  . j a va  2 s. c  o  m*/
            return 0;
        }
    }
}

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From source file:Main.java

public static void getMatrix3DValues(final Matrix matrix2D, final float[] matrix3D) {
    matrix2D.getValues(matrix3D);
    // Log.e("long", matrix2D.toShortString());
    final float v0 = matrix3D[0];
    final float v1 = matrix3D[1];
    final float v2 = matrix3D[2];
    final float v3 = matrix3D[3];
    final float v4 = matrix3D[4];
    final float v5 = matrix3D[5];
    final float v6 = matrix3D[6];
    final float v7 = matrix3D[7];
    final float v8 = matrix3D[8];

    matrix3D[0] = v0;//w w w .j a  v a  2  s .co  m
    matrix3D[4] = v1;
    matrix3D[8] = v2;

    matrix3D[1] = v3;
    matrix3D[5] = v4;
    matrix3D[9] = v5;

    matrix3D[2] = v6;
    matrix3D[6] = v7;
    matrix3D[10] = v8;

    matrix3D[3] = matrix3D[7] = matrix3D[11] = 0;

    matrix3D[12] = matrix3D[13] = matrix3D[14] = 0;
    matrix3D[15] = 1;
}

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