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sack::image::image_rotation_flags Enumeration
C++
enum image_rotation_flags {
  IMAGE_ROTATE_FLAG_CENTER = 0,
  IMAGE_ROTATE_FLAG_TOP,
  IMAGE_ROTATE_FLAG_LEFT,
  IMAGE_ROTATE_FLAG_RIGHT,
  IMAGE_ROTATE_FLAG_BOTTOM,
  IMAGE_ROTATE_FLAG_ADD_CUSTOM_OFFSET
};
Members 
Description 
IMAGE_ROTATE_FLAG_CENTER = 0 
relative to center of image (center if not left, right, top or bottom ) 
IMAGE_ROTATE_FLAG_TOP 
relative to top edge (center if not left or right) 
IMAGE_ROTATE_FLAG_LEFT 
relative to left edge (center if not top or bottom) 
IMAGE_ROTATE_FLAG_RIGHT 
relative to right edge (center if not top or bottom) 
IMAGE_ROTATE_FLAG_BOTTOM 
relative to bottom edge (center if not left or right ) 
IMAGE_ROTATE_FLAG_ADD_CUSTOM_OFFSET 
use the offset relative to the image orientation 

These flags are used in SetImageRotation and RotateImageAbout functions - these are part of the 3D driver interface extension. They allow for controlling how the rotation is performed.

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