Enable kerning and ligatures for LayoutProcessor

[vk-github18]

Description of the new Feature/Bugfix

1. Kerning and ligatures can be enabled for LayoutProcessor by calling LayoutProcessor.enableKernLiga();
2. Updates for final standard DIN 91379

Examples

GlyphLayoutDocumentDin91379.java

Shows all letters and sequences of DIN 91379 in a new PDF-document. GlyphLayoutDocumentDin91379.pdf

GlyphLayoutFormDin91379.java

Fills all letters and sequences of DIN SPEC 91379 into a PDF-form. GlyphLayoutFormDin91379.pdf

GlyphLayoutDocumentKernLiga.java

Enables LayoutProcessor with kerning and ligatures for all fonts GlyphLayoutDocumentKernLiga.pdf

GlyphLayoutDocumentKernLigaPerFont.java

Enables LayoutProcessor with kerning and/or ligatures for specified fonts GlyphLayoutDocumentKernLigaPerFont.pdf

GlyphLayoutDocumentBidi.java

Prints bidirectional text with correct glyph layout, kerning and ligatures globally enabled GlyphLayoutDocumentBidi.pdf

GlyphLayoutDocumentBidiPerFont.java

Prints bidirectional text with correct glyph layout, kerning and ligatures globally enabled. Direction can be chosen per font GlyphLayoutDocumentBidiPerFont.pdf

Compatibilities Issues

New methods added, existing methods in LayoutProcessor are unchanged.

[vk-github18]

The checkstyle job did not run because of some system error.

[vk-github18]

I am thinking about more changes ...

[vk-github18]

Example for bidirectional text GlyphLayoutDocumentBidi.java GlyphLayoutDocumentBidi.pdf

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[asturio]

Hi @vk-github18 , the checkstyle problems were fixed on master. Can you please rebase your branch onto OpenPdf/master?

[vk-github18]

Hi @asturio, I am thinking about some updates for the final DIN norm first, and try a rebase after this.

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
No Duplication information

[vk-github18]

Hi @asturio , my changes are done, the request is ready for integration.