JBIG2 Encoder support for inserting binary images into PDF

[kucjac]

This Pull Request adds support for inserting binary images into PDF and encoding using JBIG2 Encoder.

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This change is 

[codecov[bot]]

Codecov Report

Merging #288 into development will decrease coverage by 6.08%. The diff coverage is 16.29%.

@@               Coverage Diff               @@
##           development     #288      +/-   ##
===============================================
- Coverage        62.44%   56.35%   -6.09%     
===============================================
  Files              235      235              
  Lines            45524    45378     -146     
===============================================
- Hits             28428    25574    -2854     
- Misses           15896    16538     +642     
- Partials          1200     3266    +2066

Impacted Files	Coverage Δ
creator/image.go	77.12% <0%> (-7.74%)	:arrow_down:
internal/imageutil/rgbtobw.go	37.79% <0%> (ø)
contentstream/inline-image.go	40.56% <0%> (-8.9%)	:arrow_down:
model/image.go	56.25% <0%> (-16.75%)	:arrow_down:
internal/jbig2/document/document.go	38.76% <100%> (ø)	:arrow_up:
core/encoding.go	51.4% <100%> (-9.51%)	:arrow_down:
core/encoding_jbig2.go	19.36% <15.62%> (-3.59%)	:arrow_down:
model/xobject.go	55.64% <29.41%> (-9.37%)	:arrow_down:
internal/jbig2/bitmap/bitmap.go	76.76% <33.33%> (-2.32%)	:arrow_down:
...ernal/jbig2/document/segments/symbol-dictionary.go	38.49% <0%> (-23.15%)	:arrow_down:
... and 134 more

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[codecov[bot]]

Codecov Report

Merging #288 into development will decrease coverage by 0.17%. The diff coverage is 54.47%.

@@               Coverage Diff               @@
##           development     #288      +/-   ##
===============================================
- Coverage        62.44%   62.26%   -0.18%     
===============================================
  Files              235      235              
  Lines            45524    45372     -152     
===============================================
- Hits             28428    28252     -176     
- Misses           15896    16445     +549     
+ Partials          1200      675     -525

Impacted Files	Coverage Δ
internal/imageutil/rgbtobw.go	40.15% <0%> (ø)
contentstream/inline-image.go	49.28% <0%> (-0.18%)	:arrow_down:
internal/jbig2/document/document.go	45.43% <100%> (+6.66%)	:arrow_up:
creator/image.go	83.51% <25%> (-1.36%)	:arrow_down:
core/encoding_jbig2.go	30.23% <43.85%> (+7.28%)	:arrow_up:
internal/jbig2/bitmap/bitmap.go	82.67% <50%> (+3.59%)	:arrow_up:
model/image.go	74.81% <63.88%> (+1.82%)	:arrow_up:
model/xobject.go	66.66% <87.5%> (+1.65%)	:arrow_up:
internal/jbig2/writer/writer.go	51.45% <0%> (-18.45%)	:arrow_down:
internal/jbig2/bitmap/operators.go	50% <0%> (-18.43%)	:arrow_down:
... and 78 more

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Continue to review full report at Codecov.

Legend - Click here to learn more Δ = absolute <relative> (impact), ø = not affected, ? = missing data Powered by Codecov. Last update c582323...66529f4. Read the comment docs.