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| author | Mathias Agopian <mathias@google.com> | 2010-10-25 17:20:19 -0700 |
|---|---|---|
| committer | Mathias Agopian <mathias@google.com> | 2010-10-25 17:55:55 -0700 |
| commit | 2d1e978e3229bb524c6415580ad91fab051f944c (patch) | |
| tree | 90e78e11e90956c6956f215cd66d32dd04c557f8 | |
| parent | 937af9b7136a8b692812bc47eaeb9a3e255c46a5 (diff) | |
| download | hardware_libhardware-2d1e978e3229bb524c6415580ad91fab051f944c.zip hardware_libhardware-2d1e978e3229bb524c6415580ad91fab051f944c.tar.gz hardware_libhardware-2d1e978e3229bb524c6415580ad91fab051f944c.tar.bz2 | |
improve hardware.h documentation
Change-Id: I637a1d8924af144a9c2cc4645659e9d23e9527d6
| -rw-r--r-- | include/hardware/hardware.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/hardware/hardware.h b/include/hardware/hardware.h index c41c81c..598ec2c 100644 --- a/include/hardware/hardware.h +++ b/include/hardware/hardware.h @@ -179,18 +179,22 @@ enum { /** * Transformation definitions + * + * IMPORTANT NOTE: + * HAL_TRANSFORM_ROT_90 is applied CLOCKWISE and AFTER HAL_TRANSFORM_FLIP_{H|V}. + * */ enum { - /* flip source image horizontally */ + /* flip source image horizontally (around the vertical axis) */ HAL_TRANSFORM_FLIP_H = 0x01, - /* flip source image vertically */ + /* flip source image vertically (around the horizontal axis)*/ HAL_TRANSFORM_FLIP_V = 0x02, - /* rotate source image 90 degrees */ + /* rotate source image 90 degrees clockwise */ HAL_TRANSFORM_ROT_90 = 0x04, /* rotate source image 180 degrees */ HAL_TRANSFORM_ROT_180 = 0x03, - /* rotate source image 270 degrees */ + /* rotate source image 270 degrees clockwise */ HAL_TRANSFORM_ROT_270 = 0x07, }; |