| 328 | |
| 329 | template<typename T, FI_CHANNELS channels> |
| 330 | static void save_t(T* pDstLine, const af_array in, const dim4& dims, |
| 331 | uint nDstPitch) { |
| 332 | af_array rr = 0, gg = 0, bb = 0, aa = 0; |
| 333 | AF_CHECK(channel_split(in, dims, &rr, &gg, &bb, |
| 334 | &aa)); // convert array to 3 channels if needed |
| 335 | |
| 336 | af_array rrT = 0, ggT = 0, bbT = 0, aaT = 0; |
| 337 | T *pSrc0 = 0, *pSrc1 = 0, *pSrc2 = 0, *pSrc3 = 0; |
| 338 | |
| 339 | uint step = channels; // force 3 channels saving |
| 340 | uint indx = 0; |
| 341 | |
| 342 | AF_CHECK(af_transpose(&rrT, rr, false)); |
| 343 | if (channels >= 3) { AF_CHECK(af_transpose(&ggT, gg, false)); } |
| 344 | if (channels >= 3) { AF_CHECK(af_transpose(&bbT, bb, false)); } |
| 345 | if (channels >= 4) { AF_CHECK(af_transpose(&aaT, aa, false)); } |
| 346 | |
| 347 | const ArrayInfo& cinfo = getInfo(rrT); |
| 348 | pSrc0 = pinnedAlloc<T>(cinfo.elements()); |
| 349 | if (channels >= 3) { pSrc1 = pinnedAlloc<T>(cinfo.elements()); } |
| 350 | if (channels >= 3) { pSrc2 = pinnedAlloc<T>(cinfo.elements()); } |
| 351 | if (channels >= 4) { pSrc3 = pinnedAlloc<T>(cinfo.elements()); } |
| 352 | |
| 353 | AF_CHECK(af_get_data_ptr((void*)pSrc0, rrT)); |
| 354 | if (channels >= 3) { AF_CHECK(af_get_data_ptr((void*)pSrc1, ggT)); } |
| 355 | if (channels >= 3) { AF_CHECK(af_get_data_ptr((void*)pSrc2, bbT)); } |
| 356 | if (channels >= 4) { AF_CHECK(af_get_data_ptr((void*)pSrc3, aaT)); } |
| 357 | |
| 358 | const uint fi_w = dims[1]; |
| 359 | const uint fi_h = dims[0]; |
| 360 | |
| 361 | // Copy the array into FreeImage buffer |
| 362 | for (uint y = 0; y < fi_h; ++y) { |
| 363 | for (uint x = 0; x < fi_w; ++x) { |
| 364 | if (channels == 1) { |
| 365 | *(pDstLine + x * step) = pSrc0[indx]; // r -> 0 |
| 366 | } else if (channels >= 3) { |
| 367 | if (static_cast<af_dtype>(af::dtype_traits<T>::af_type) == u8) { |
| 368 | *(pDstLine + x * step + FI_RGBA_RED) = |
| 369 | pSrc0[indx]; // r -> 0 |
| 370 | *(pDstLine + x * step + FI_RGBA_GREEN) = |
| 371 | pSrc1[indx]; // g -> 1 |
| 372 | *(pDstLine + x * step + FI_RGBA_BLUE) = |
| 373 | pSrc2[indx]; // b -> 2 |
| 374 | if (channels >= 4) { |
| 375 | *(pDstLine + x * step + FI_RGBA_ALPHA) = |
| 376 | pSrc3[indx]; // a |
| 377 | } |
| 378 | } else { |
| 379 | // Non 8-bit types do not use ordering |
| 380 | // See Pixel Access Functions Chapter in FreeImage Doc |
| 381 | *(pDstLine + x * step + 0) = pSrc0[indx]; // r -> 0 |
| 382 | *(pDstLine + x * step + 1) = pSrc1[indx]; // g -> 1 |
| 383 | *(pDstLine + x * step + 2) = pSrc2[indx]; // b -> 2 |
| 384 | if (channels >= 4) { |
| 385 | *(pDstLine + x * step + 3) = pSrc3[indx]; // a |
| 386 | } |
| 387 | } |
nothing calls this directly
no test coverage detected