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v3: Generated file 2_p_multi.pdf has error: The font 'FreeSans' contains bad /Widths in Adobe Reader

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No errors in ghostscript. Needs investigation.

Create a model.PdfCatalog type ```go // PdfCatalog represents the root Catalog dictionary (section 7.7.2 p. 79) type PdfCatalog struct { Type *core.PdfObjectName Version *core.PdfObjectName etc... } ``` Will make it...

A simple way to build forms should be present in the creator package. Together with tables etc it should provide a an easy way to make PDF forms using the...

Vectorized PDF text and object extraction

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This issue is a master issue/epic and can lead to subissues that will be referenced from here. ## Proposal The extractor package will have the capability to extract vectorized text...

Support for Type0 CIDType0 fonts

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Currently text extraction fails on some text using this font type. Need to add support for it to properly work for extraction.

Add test cases for FlateDecode post-decode prediction

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Should test: 1. TIFF encoding prediction 2. PNG prediction - None, Sub, Up, Average, Paeth, Combination Include cases with 1,3,4 color components. Can assume BitsPerComponent = 8 for now. Support...

The goal is to make the tests more clear and easier to read as well as improve coverage. Steps: - Go through the tests and for each function define the...

Change WriteString signature to a Write method (with io.Reader)

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The `string` type is really not the right one for the writer and the eventual output is always []byte. Would make sense to change the signature to Write(io.Reader) instead of...

Problem file: TheCaseStudyMethod.pdf Options: ```go unioptimize.Options{ CombineDuplicateDirectObjects: true, CombineIdenticalIndirectObjects: true, ImageUpperPPI: 100.0, CombineDuplicateStreams: true, CompressStreams: true, UseObjectStreams: true, ImageQuality: 80, } ``` When optimizing get: ``` [ERROR] encoding.go:1855 Unsupported filter...