SptRotateSqrBuf()

SptRotateSqrBuf(bBufferS As bTftLibParameter1, bBufferD As bTftLibParameter2, wAngleDeg As wTftLibParameter1, wBackGround As wTftLibParameter2), Byte

Rotate the contents of a square source sprite buffer CW by an integer angle and write the rotated result to a destination buffer.

bBufferS – Source sprite buffer.

bBufferD – Destination sprite buffer (must be large enough to hold the result).

wAngleDeg – Rotation angle in degrees (integer).

wBackGround – Fill color used for corner gaps introduced by rotation.

Return:

0 – Success

1 – Invalid source buffer

2 – Invalid destination buffer

3 – Destination buffer is smaller than the source buffer

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