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RGBLuminanceSource
getLuminance static method
getLuminance static method
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getLuminance
static method
int
getLuminance
(
int
r
,
int
g
,
int
b
)
Implementation
static int getLuminance(int r, int g, int b) { return ((r + (g << 1) + b) ~/ 4); }
zxing_lib package
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zxing
RGBLuminanceSource
getLuminance static method
RGBLuminanceSource class