SkExif: Add support for common tags
Add support for the Exif tags that Chromium supports, in anticipation
of moving Chromium's Exif parsing here:
- image resolution (usually DPI)
- image pixel size
Add support for MakerNote HDR headroom computation.
Bug: chromium:1488376
Change-Id: I5beb3a8d719d68b2c9fc513c2a3e0c620a7d036c
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/770256
Commit-Queue: Christopher Cameron <ccameron@google.com>
Reviewed-by: Leon Scroggins <scroggo@google.com>
9 files changed