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Diffstat (limited to 'tools/recovery_l10n/README.md')
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diff --git a/tools/recovery_l10n/README.md b/tools/recovery_l10n/README.md new file mode 100644 index 000000000..bf41ff241 --- /dev/null +++ b/tools/recovery_l10n/README.md @@ -0,0 +1,31 @@ +# Steps to regenerate background text images under res-*dpi/images/ + +1. Build the recovery_l10n app: + + cd bootable/recovery && mma -j32 + +2. Install the app on the device (or emulator) with the intended dpi. + + * For example, we can use Nexus 5 to generate the text images under + res-xxhdpi. + * When using the emulator, make sure the NDK version matches the current + repository. Otherwise, the app may not work properly. + + adb install $PATH_TO_APP + +3. Run the app, select the string to translate and press the 'go' button. + +4. After the app goes through the strings for all locales, pull the output png + file from the device. + + adb root && adb pull /data/data/com.android.recovery_l10n/files/text-out.png + +5. Compress the output file put it under the corresponding directory. + + * "pngcrush -c 0 ..." converts "text-out.png" into a 1-channel image, + which is accepted by Recovery. This also compresses the image file by + ~60%. + * If you're using other png compression tools, make sure the final text + image works by running graphic tests under the recovery mode. + + pngcrush -c 0 text-out.png $OUTPUT_PNG |