|
@@ 539-548 (lines=10) @@
|
| 536 |
|
$pixeldataoffset = strlen($BMPpixelData); // force to exit loop just in case |
| 537 |
|
break; |
| 538 |
|
|
| 539 |
|
case 2: |
| 540 |
|
// delta - The 2 bytes following the escape contain unsigned values |
| 541 |
|
// indicating the horizontal and vertical offsets of the next pixel |
| 542 |
|
// from the current position. |
| 543 |
|
$colincrement = $this->LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1)); |
| 544 |
|
$rowincrement = $this->LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1)); |
| 545 |
|
$col = ($pixelcounter % $thisfile_bmp_header_raw['width']) + $colincrement; |
| 546 |
|
$row = ($thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width'])) - $rowincrement; |
| 547 |
|
$pixelcounter = ($row * $thisfile_bmp_header_raw['width']) + $col; |
| 548 |
|
break; |
| 549 |
|
|
| 550 |
|
default: |
| 551 |
|
// In absolute mode, the first byte is zero and the second byte is a |
|
@@ 611-620 (lines=10) @@
|
| 608 |
|
$pixeldataoffset = strlen($BMPpixelData); // force to exit loop just in case |
| 609 |
|
break; |
| 610 |
|
|
| 611 |
|
case 2: |
| 612 |
|
// delta - The 2 bytes following the escape contain unsigned values |
| 613 |
|
// indicating the horizontal and vertical offsets of the next pixel |
| 614 |
|
// from the current position. |
| 615 |
|
$colincrement = $this->LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1)); |
| 616 |
|
$rowincrement = $this->LittleEndian2Int(substr($BMPpixelData, $pixeldataoffset++, 1)); |
| 617 |
|
$col = ($pixelcounter % $thisfile_bmp_header_raw['width']) + $colincrement; |
| 618 |
|
$row = ($thisfile_bmp_header_raw['height'] - 1 - (($pixelcounter - $col) / $thisfile_bmp_header_raw['width'])) - $rowincrement; |
| 619 |
|
$pixelcounter = ($row * $thisfile_bmp_header_raw['width']) + $col; |
| 620 |
|
break; |
| 621 |
|
|
| 622 |
|
default: |
| 623 |
|
// In absolute mode, the first byte is zero. The second byte contains the number |