Transform6public class Transform6 extends Transform4
| Fields Summary |
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| public int | m02 | | public int | m12 |
| Constructors Summary |
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public Transform6()
this(1 << 16, 0, 0, 1 << 16, 0, 0);
| public Transform6(int m00, int m01, int m10, int m11, int m02, int m12)
super(m00, m01, m10, m11);
this.m02 = m02;
this.m12 = m12;
| public Transform6(Transform6 t)
this(t.m00, t.m01, t.m10, t.m11, t.m02, t.m12);
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| Methods Summary |
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| public com.sun.pisces.Transform6 | inverse()
// long lm00 = (long)m00;
// long lm01 = (long)m01;
// long lm02 = (long)m02;
// long lm10 = (long)m10;
// long lm11 = (long)m11;
// long lm12 = (long)m12;
// long det = lm00*lm11 - lm01*lm10;
// int a00 = (int)((lm11 << 32)/det);
// int a01 = (int)(-(lm01 << 32)/det);
// int a10 = (int)(-(lm10 << 32)/det);
// int a11 = (int)((lm00 << 32)/det);
// int a02 = (int)(((lm01*lm12 - lm02*lm11) << 8)/det) << 8;
// int a12 = (int)(((lm02*lm10 - lm00*lm12) << 8)/det) << 8;
float fm00 = m00/65536.0f;
float fm01 = m01/65536.0f;
float fm02 = m02/65536.0f;
float fm10 = m10/65536.0f;
float fm11 = m11/65536.0f;
float fm12 = m12/65536.0f;
float fdet = fm00*fm11 - fm01*fm10;
float fa00 = fm11/fdet;
float fa01 = -fm01/fdet;
float fa10 = -fm10/fdet;
float fa11 = fm00/fdet;
float fa02 = (fm01*fm12 - fm02*fm11)/fdet;
float fa12 = (fm02*fm10 - fm00*fm12)/fdet;
int a00 = (int)(fa00*65536.0f);
int a01 = (int)(fa01*65536.0f);
int a10 = (int)(fa10*65536.0f);
int a11 = (int)(fa11*65536.0f);
int a02 = (int)(fa02*65536.0f);
int a12 = (int)(fa12*65536.0f);
return new Transform6(a00, a01, a10, a11, a02, a12);
| | public boolean | isIdentity()
return (m00 == 1 << 16 && m01 == 0 &&
m10 == 0 && m11 == 1 << 16 &&
m02 == 0 && m12 == 0);
| | public void | postMultiply(com.sun.pisces.Transform6 t)
long _m00 = ((long)m00*t.m00 + (long)m01*t.m10) >> 16;
long _m01 = ((long)m00*t.m01 + (long)m01*t.m11) >> 16;
long _m10 = ((long)m10*t.m00 + (long)m11*t.m10) >> 16;
long _m11 = ((long)m10*t.m01 + (long)m11*t.m11) >> 16;
long _m02 = (((long)m02 << 16) +
(long)m00*t.m02 + (long)m01*t.m12) >> 16;
long _m12 = (((long)m12 << 16) +
(long)m10*t.m02 + (long)m11*t.m12) >> 16;
this.m00 = (int)_m00;
this.m01 = (int)_m01;
this.m02 = (int)_m02;
this.m10 = (int)_m10;
this.m11 = (int)_m11;
this.m12 = (int)_m12;
| | public java.lang.String | toString()
return "Transform6[" +
"m00=" + (m00/65536.0) + ", " +
"m01=" + (m01/65536.0) + ", " +
"m02=" + (m02/65536.0) + ", " +
"m10=" + (m10/65536.0) + ", " +
"m11=" + (m11/65536.0) + ", " +
"m12=" + (m12/65536.0) + "]";
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