SptFadeColor()

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Syntax

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

Overview

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

Parameters

Parameter

Description

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.

Return value

Value

Meaning

0

Success

1

Invalid source buffer

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