SptFadeColor()

SptFadeColor(bBuffer As bTftLibParameter1, bBrightness As bTftLibParameter2, wFadeColor As wTftLibParameter1, bTransparent As bTftLibParameter3, wAlphaColor As wTftLibParameter2), Byte

Applies a fade-in or fade-out effect toward a specified color on a sprite buffer, with optional transparency support.

bBuffer – Working sprite buffer to be processed.

bBrightness – Fade level (0–255):

0 – Fully faded to wFadeColor

255 – Original sprite colors

wFadeColor – Target color to fade toward or from.

bTransparent – Transparency mode:

0 – Apply effect to all pixels

1 – Skip pixels matching the alpha-key color

wAlphaColor – Alpha-key color used when transparency is enabled.

Result:

0 – Success

1 – Invalid source buffer

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