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platform_bootable_recovery/tools/image_generator/README.md
Tianjie Xu edfeb97f9f Switch to use commandline parser 
The commandline parser adds some flexibility to the argument parsing. It
also makes the help message more descriptive.

Bug: 74397117
Test: generate a image, checks the help message
Change-Id: Ib238658a9a6fa8806f1b0dde419c8fb970e7cb37
2018-10-29 11:01:36 -07:00

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Recovery Image Generator

This program uses java.awt.Graphics2D to generate the background text files used under recovery mode. And thus we don't need to do the manual work by running emulators with different dpi.

Usage:

java -jar path_to_jar --image_width imageWidth --text_name textName --font_dir fontDirectory --resource_dir resourceDirectory --output_file outputFilename

Description of the parameters:

  1. imageWidth: The number of pixels per line; and the text strings will be wrapped accordingly.
  2. textName: The description of the text string, e.g. "recovery_erasing", "recovery_installing_security"
  3. fontDirectory: The directory that contains all the support .ttf | .ttc files, e.g. $OUT/system/fonts/
  4. resourceDirectory: The resource directory that contains all the translated strings in xml format, e.g. bootable/recovery/tools/recovery_l10n/res/
  5. outputFilename: Path to the generated image.