| 111 | } |
| 112 | |
| 113 | static struct pj_opaque_affine *initQ() { |
| 114 | struct pj_opaque_affine *Q = static_cast<struct pj_opaque_affine *>( |
| 115 | calloc(1, sizeof(struct pj_opaque_affine))); |
| 116 | if (nullptr == Q) |
| 117 | return nullptr; |
| 118 | |
| 119 | /* default values */ |
| 120 | Q->forward.s11 = 1.0; |
| 121 | Q->forward.s22 = 1.0; |
| 122 | Q->forward.s33 = 1.0; |
| 123 | Q->forward.tscale = 1.0; |
| 124 | |
| 125 | Q->reverse.s11 = 1.0; |
| 126 | Q->reverse.s22 = 1.0; |
| 127 | Q->reverse.s33 = 1.0; |
| 128 | Q->reverse.tscale = 1.0; |
| 129 | |
| 130 | return Q; |
| 131 | } |
| 132 | |
| 133 | static void computeReverseParameters(PJ *P) { |
| 134 | struct pj_opaque_affine *Q = (struct pj_opaque_affine *)P->opaque; |