The SEDRIS Data Representation Model
APPENDIX C - Types
SE_Image_Scan_Direction 
/*
 * ENUM: SE_Image_Scan_Direction
 *
 *   This data type is used in the <Image> class.
 *
 *                              Minor Scan   Major Scan      Image Origin
 *                              -----------------------------------------
 *   SE_IMG_SCAN_DIR_RIGHT_UP   left-right   bottom-up       lower left
 *   SE_IMG_SCAN_DIR_RIGHT_DOWN left-right   top-down        upper left
 *   SE_IMG_SCAN_DIR_DOWN_RIGHT top-down     left-right      upper left
 *   SE_IMG_SCAN_DIR_DOWN_LEFT  top-down     right-left      upper right
 *
 *   SE_IMG_SCAN_DIR_LEFT_UP    right-left   bottom-up       lower right
 *   SE_IMG_SCAN_DIR_LEFT_DOWN  right-left   top-down        upper right
 *   SE_IMG_SCAN_DIR_UP_RIGHT   bottom-up    left-right      lower left
 *   SE_IMG_SCAN_DIR_UP_LEFT    bottom-up    right-left      lower right
 */
typedef enum
{
SE_IMG_SCAN_DIR_RIGHT_UP, (notes)
SE_IMG_SCAN_DIR_RIGHT_DOWN, (notes)
SE_IMG_SCAN_DIR_DOWN_RIGHT, (notes)
SE_IMG_SCAN_DIR_DOWN_LEFT, (notes)
SE_IMG_SCAN_DIR_LEFT_UP, (notes)
SE_IMG_SCAN_DIR_LEFT_DOWN, (notes)
SE_IMG_SCAN_DIR_UP_RIGHT, (notes)
SE_IMG_SCAN_DIR_UP_LEFT (notes)
} SE_Image_Scan_Direction;

Enumerant Notes


SE_IMG_SCAN_DIR_RIGHT_UP

 The <Image> origin as at the lower left corner.

 The minor scan direction is from left to right, while
 the major scan direction is bottom-up.

SE_IMG_SCAN_DIR_RIGHT_DOWN

 The <Image> origin as at the lower left corner.

 The minor scan direction is from left to right, while
 the major scan direction is top-down.

SE_IMG_SCAN_DIR_DOWN_RIGHT

 The <Image> origin as at the lower left corner.

 The minor scan direction is top-down, while
 the major scan direction is from left to right.

SE_IMG_SCAN_DIR_DOWN_LEFT

 The <Image> origin as at the lower left corner.

 The minor scan direction is top-down, while
 the major scan direction is from right to left.

SE_IMG_SCAN_DIR_LEFT_UP

 The <Image> origin as at the lower left corner.

 The minor scan direction is from right to left, while
 the major scan direction is bottom-up.

SE_IMG_SCAN_DIR_LEFT_DOWN

 The <Image> origin as at the lower left corner.

 The minor scan direction is from right to left, while
 the major scan direction is top-down.

SE_IMG_SCAN_DIR_UP_RIGHT

 The <Image> origin as at the lower left corner.

 The minor scan direction is bottom-up, while
 the major scan direction is from left to right.

SE_IMG_SCAN_DIR_UP_LEFT

 The <Image> origin as at the lower left corner.

 The minor scan direction is bottom-up, while
 the major scan direction is from right to left.


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Last updated: July 16, 2004 Copyright © 2004 SEDRIS™