diff options
| -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 c41c81c4..598ec2ca 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, }; |