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Title: Fix Ascii IFD reading as TIFF6.0 spec by TheZ3ro · Pull Request #1451 · python-openxml/python-docx · GitHub

Open Graph Title: Fix Ascii IFD reading as TIFF6.0 spec by TheZ3ro · Pull Request #1451 · python-openxml/python-docx

X Title: Fix Ascii IFD reading as TIFF6.0 spec by TheZ3ro · Pull Request #1451 · python-openxml/python-docx

Description: This PR fixes #187 The TIFF6 specification writes: Value/Offset To save time and space the Value Offset contains the Value instead of pointing to the Value if and only if the Value fits into 4 bytes. If the Value is shorter than 4 bytes, it is left-justified within the 4-byte Value Offset, i.e., stored in the lower- numbered bytes. Whether the Value fits within 4 bytes is determined by the Type and Count of the field. python-docx by default uses the Value/Offset field as a offset for ASCII IFD, but sometime the Value/Offset field could contain directly the Value (if it contains a string with 4 or less characters including the final NULL byte/string terminator) This is the case for the 2 pictures linked in issue #187 (the Software ASCII field contains 8.3)

Open Graph Description: This PR fixes #187 The TIFF6 specification writes: Value/Offset To save time and space the Value Offset contains the Value instead of pointing to the Value if and only if the Value fits into 4 byt...

X Description: This PR fixes #187 The TIFF6 specification writes: Value/Offset To save time and space the Value Offset contains the Value instead of pointing to the Value if and only if the Value fits into 4 byt...

Opengraph URL: https://github.com/python-openxml/python-docx/pull/1451

X: @github

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