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/PHP-5.5/ext/gd/libgd/
H A Dgd_rotate.c352 double dRadAngle, dSinE, dTan, dShear; in gdImageRotate45() local
358 dRadAngle = dAngle * ROTATE_DEG2RAD; /* Angle in radians */ in gdImageRotate45()
359 dSinE = sin (dRadAngle); in gdImageRotate45()
360 dTan = tan (dRadAngle / 2.0); in gdImageRotate45()
399 dRadAngle = dAngle * ROTATE_DEG2RAD; /* Angle in radians */ in gdImageRotate45()
400 dSinE = sin (dRadAngle); in gdImageRotate45()
401 dTan = tan (dRadAngle / 2.0); in gdImageRotate45()
434 newy = (int) ((double) src->sx * fabs( dSinE ) + (double) src->sy * cos (dRadAngle))+1; in gdImageRotate45()
465 newx = (int) ((double)src->sy * fabs (dSinE) + (double)src->sx * cos (dRadAngle)) + 1; in gdImageRotate45()

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