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Issue #1271 added LZWDecode compression #1286

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merged 9 commits into from
Oct 23, 2024
Merged

Issue #1271 added LZWDecode compression #1286

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22709f8
Issue #1271 added LZWDecode compression
Oct 15, 2024
02fb6a9
Issue #1271 added Unit tests
Oct 17, 2024
9a1551e
Issue #1271 fixies
Oct 17, 2024
38974ab
Issue #1271 build fixing
Oct 21, 2024
c078b3c
Issue #1271 build fixing
Oct 21, 2024
54c7458
Issue #1271 build fixing
Oct 21, 2024
3ec9294
Issue #1271 build fixing
Oct 22, 2024
88e75c5
Issue #1271 padding rework and CHANGELOG
Oct 22, 2024
dd9c364
Merge branch 'master' into Issue-1271-LZWDecode-compression-support
opposss Oct 22, 2024
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Issue #1271 padding rework and CHANGELOG
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opposss committed Oct 22, 2024
commit 88e75c5f286e8cc2e1311a1da0c2eeb16b24c44e
4 changes: 4 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -17,6 +17,10 @@ in order to get warned about deprecated features used in your code.
This can also be enabled programmatically with `warnings.simplefilter('default', DeprecationWarning)`.

## [2.8.2] - Not released yet
### Added
* support for LZWDecode compression [issue #1271](https://github.com/py-pdf/fpdf2/issues/1271)
### Fixed
* `FPDF.set_text_shaping(False)` was broken since version 2.7.8 and is now working properly - [issue #1287](https://github.com/py-pdf/fpdf2/issues/1287)

## [2.8.1] - 2024-10-04
### Added
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10 changes: 5 additions & 5 deletions fpdf/image_parsing.py
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Expand Up @@ -550,12 +550,12 @@ def _to_lzwdata(img, remove_slice=None, select_slice=None):
else:
channels_count = len(data) // (img.size[0] * img.size[1])
row_size = img.size[0] * channels_count
data_with_padding = bytearray()
for i in range(0, len(data), row_size):
data_with_padding.extend(b"\0")
data_with_padding.extend(data[i : i + row_size])
data = data_with_padding

data_with_padding = bytearray()
for i in range(0, len(data), row_size):
data_with_padding.extend(b"\0")
data_with_padding.extend(data[i : i + row_size])
data = data_with_padding
# Start compression

# The encoder shall begin by issuing a clear-table code:
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