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most qrcode reads pass, some 90 degree rots fail

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This commit is contained in:
Henry Schimke
2022-10-13 17:37:45 -05:00
parent 7395bb2c29
commit c236cbfd57
6 changed files with 21 additions and 21 deletions
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7
src/buffered_image_luminance_source.rs
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@@ -109,7 +109,6 @@ impl BufferedImageLuminanceSource {
if (alpha & 0xFF) == 0 {
// white, so we know its luminance is 255
raster.put_pixel(x, y, Luma([0xFF]))
// buffer[x] = 0xFF;
} else {
// .299R + 0.587G + 0.114B (YUV/YIQ for PAL and NTSC),
// (306*R) >> 10 is approximately equal to R*0.299, and so on.
@@ -117,9 +116,9 @@ impl BufferedImageLuminanceSource {
raster.put_pixel(
x,
y,
Luma([((306 * (red as u32)
+ 601 * (green as u32)
+ 117 * (blue as u32)
Luma([((306 * (red as u64)
+ 601 * (green as u64)
+ 117 * (blue as u64)
+ 0x200)
>> 10) as u8]),
);