Lines Matching defs:xform
680 double *xform, double *inv_xform,
690 xform[0] = dx / pixelset;
691 xform[1] = xform[2] = 0.0;
692 xform[3] = dy / pixel;
699 temp = aa * xform[0] + cc * xform[1]; \
700 aa = aa * xform[2] + cc * xform[3]; \
701 xform[1] = bb * xform[0] + dd * xform[1]; \
702 xform[3] = bb * xform[2] + dd * xform[3]; \
703 xform[0] = temp; \
704 xform[2] = aa; \
713 *xmult = xform[0];
714 *ymult = xform[3];
720 det = xform[0] * xform[3] - xform[1] * xform[2];
726 inv_xform[0] = xform[3] / det;
727 inv_xform[1] = -xform[1] / det;
728 inv_xform[2] = -xform[2] / det;
729 inv_xform[3] = xform[0] / det;
763 double xform[4], inv_xform[4];
887 if (!compute_xform_matrix(vals, widthMult, heightMult, xform,
955 TRANSFORM_POINT(xform,
963 TRANSFORM_POINT(xform,
968 TRANSFORM_POINT(xform,
973 TRANSFORM_POINT(xform,
1465 double xform[4], inv_xform[4];
1471 if (!compute_xform_matrix(vals, widthMult, heightMult, xform,