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Several OS_SpriteOp calls allow the caller to specify a set of scaling factors by using the following 4-word structure:
Word | Content |
---|---|
0 | X magnification factor |
1 | Y magnification factor |
2 | X minification factor |
3 | Y minification factor |
All scale factors must be positive, non-zero integers.
For example, the set of scale factors (2,2,3,3) would scale a sprite to two thirds of its original size.