| 538 | } |
| 539 | |
| 540 | static void vtkGESignaReaderUpdate2( |
| 541 | vtkGESignaReader* self, unsigned short* outPtr, int* outExt, vtkIdType*) |
| 542 | { |
| 543 | FILE* fp = vtksys::SystemTools::Fopen(self->GetInternalFileName(), "rb"); |
| 544 | if (!fp) |
| 545 | { |
| 546 | return; |
| 547 | } |
| 548 | |
| 549 | int magic; |
| 550 | if (fread(&magic, 4, 1, fp) != 1) |
| 551 | { |
| 552 | vtkGenericWarningMacro("GESignaReader error reading file: " |
| 553 | << self->GetInternalFileName() << " Premature EOF while reading magic."); |
| 554 | fclose(fp); |
| 555 | return; |
| 556 | } |
| 557 | vtkByteSwap::Swap4BE(&magic); |
| 558 | |
| 559 | if (magic != 0x494d4746) |
| 560 | { |
| 561 | vtkGenericWarningMacro(<< "Unknown file type! Not a GE ximg file!"); |
| 562 | fclose(fp); |
| 563 | return; |
| 564 | } |
| 565 | |
| 566 | // read in the pixel offset from the header |
| 567 | int offset; |
| 568 | if (fread(&offset, 4, 1, fp) != 1) |
| 569 | { |
| 570 | vtkGenericWarningMacro("GESignaReader error reading file: " |
| 571 | << self->GetInternalFileName() << " Premature EOF while reading origY."); |
| 572 | fclose(fp); |
| 573 | return; |
| 574 | } |
| 575 | vtkByteSwap::Swap4BE(&offset); |
| 576 | |
| 577 | int width, height, depth; |
| 578 | if (fread(&width, 4, 1, fp) != 1) |
| 579 | { |
| 580 | vtkGenericWarningMacro("GESignaReader error reading file: " |
| 581 | << self->GetInternalFileName() << " Premature EOF while reading width."); |
| 582 | fclose(fp); |
| 583 | return; |
| 584 | } |
| 585 | vtkByteSwap::Swap4BE(&width); |
| 586 | if (fread(&height, 4, 1, fp) != 1) |
| 587 | { |
| 588 | vtkGenericWarningMacro("GESignaReader error reading file: " |
| 589 | << self->GetInternalFileName() << " Premature EOF while reading height."); |
| 590 | fclose(fp); |
| 591 | return; |
| 592 | } |
| 593 | vtkByteSwap::Swap4BE(&height); |
| 594 | // depth in bits |
| 595 | if (fread(&depth, 4, 1, fp) != 1) |
| 596 | { |
| 597 | vtkGenericWarningMacro("GESignaReader error reading file: " |
no test coverage detected