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Update TFT_eSPI.h
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@ -731,7 +731,12 @@ class TFT_eSPI : public Print { friend class TFT_eSprite; // Sprite class has ac
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// Alpha blend 2 colours, see generic "alphaBlend_Test" example
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// alpha = 0 = 100% background colour
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// alpha = 255 = 100% foreground colour
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#ifdef STM32
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uint16_t alphaBlend(uint8_t alpha, uint16_t fgc, uint16_t bgc);
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#else
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inline
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uint16_t alphaBlend(uint8_t alpha, uint16_t fgc, uint16_t bgc);
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#endif
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// 16 bit colour alphaBlend with alpha dither (dither reduces colour banding)
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uint16_t alphaBlend(uint8_t alpha, uint16_t fgc, uint16_t bgc, uint8_t dither);
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// 24 bit colour alphaBlend with optional alpha dither
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