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wood 2015-10-02 00:23:07 +08:00
parent b5e9cffeba
commit a2159ed0f4
1 changed files with 3 additions and 1 deletions
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4
core/src/test/java/com/google/zxing/BufferedImageLuminanceSource.java
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@ -68,7 +68,9 @@ public final class BufferedImageLuminanceSource extends LuminanceSource {
pixel = 0xFFFFFFFF; // = white
}
// .229R + 0.587G + 0.114B (YUV/YIQ for PAL and NTSC)
// .299R + 0.587G + 0.114B (YUV/YIQ for PAL and NTSC),
// (306*R) >> 10 is approximately equal to R*0.299, and so on.
// 0x200 >> 10 is 0.5, it implements rounding.
buffer[x] =
(306 * ((pixel >> 16) & 0xFF) +
601 * ((pixel >> 8) & 0xFF) +