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codemasher · codemasher · commit 0c1f322476a0 · 2021-12-13T00:34:10.000+01:00
diff --git a/src/Decoder/Binarizer.php b/src/Decoder/Binarizer.php
@@ -339,7 +339,7 @@ private function calculateThresholdForBlock(
 				for($j = 0, $o = $yoffset * $width + $xoffset; $j < self::BLOCK_SIZE; $j++, $o += $width){
 					for($i = 0; $i < self::BLOCK_SIZE; $i++){
 						// Comparison needs to be <= so that black == 0 pixels are black even if the threshold is 0.
-						if(($luminances[$o + $i] & 0xff) <= $average){
+						if(((int)($luminances[$o + $i]) & 0xff) <= $average){
 							$matrix->set($xoffset + $i, $yoffset + $j);
 						}
 					}

Original file line number	Diff line number	Diff line change
`@@ -339,7 +339,7 @@ private function calculateThresholdForBlock(`
`339`	`339`	`for($j = 0, $o = $yoffset * $width + $xoffset; $j < self::BLOCK_SIZE; $j++, $o += $width){`
`340`	`340`	`for($i = 0; $i < self::BLOCK_SIZE; $i++){`
`341`	`341`	`// Comparison needs to be <= so that black == 0 pixels are black even if the threshold is 0.`
`342`		`- if(($luminances[$o + $i] & 0xff) <= $average){`
	`342`	`+ if(((int)($luminances[$o + $i]) & 0xff) <= $average){`
`343`	`343`	`$matrix->set($xoffset + $i, $yoffset + $j);`
`344`	`344`	`}`
`345`	`345`	`}`