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Add support for reading DPI information from JPEG2000 images #5568

Merged
merged 8 commits into from
Aug 2, 2021
Merged

Add support for reading DPI information from JPEG2000 images #5568

merged 8 commits into from
Aug 2, 2021

Commits on Jun 30, 2021

  1. Create BoxReader helper class to parse JPEG2000 header

    @rogermb
    rogermb committed Jun 30, 2021
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  2. Attempt to read dpi information from JPEG2000's resc header box

    @rogermb
    rogermb committed Jun 30, 2021
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Commits on Aug 1, 2021

  1. If DPI is invalid, ignore it instead of raising an error

    @radarhere
    radarhere committed Aug 1, 2021
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  2. Stop reading from "res " after all information is extracted

    @radarhere
    radarhere committed Aug 1, 2021
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  3. Prevent reading past end of file pointer even if box length allows it

    @radarhere
    radarhere committed Aug 1, 2021
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  4. Removed unreachable code

    @radarhere
    radarhere committed Aug 1, 2021
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  5. Added tests

    @radarhere
    radarhere committed Aug 1, 2021
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Commits on Aug 2, 2021

  1. Favour integer operations when calculating DPI

    @radarhere
    radarhere committed Aug 2, 2021
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