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15 lines
766 B
Markdown
15 lines
766 B
Markdown
# Adding PDF Engine Features
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When adding a new PDF engine capability (e.g., bookmarks, watermark, stamp, embed), you must update the Makefile to include the corresponding engine list variable and flag. Every `--pdfengines-*-engines` flag registered in `pkg/modules/pdfengines/pdfengines.go` must have a matching entry in the Makefile:
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1. **Add a variable** in the Makefile's variable block (around line 60-70):
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```makefile
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PDFENGINES_<FEATURE>_ENGINES=<default engines>
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```
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2. **Add the flag** in the Makefile's command args block (around line 140-155):
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```makefile
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--pdfengines-<feature>-engines=$(PDFENGINES_<FEATURE>_ENGINES) \
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```
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The default value should match what is defined in `pdfengines.go`'s `fs.StringSlice(...)` call for that flag.
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