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:octocat: fully support reflectance reversal

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smiley
2023-07-13 11:44:21 +02:00
parent 5a280c8107
commit efb829c4a6
2 changed files with 119 additions and 70 deletions
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src/Data/QRMatrix.php
+69 -24
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@@ -21,54 +21,77 @@ use function array_fill, array_map, array_reverse, count, floor, intdiv;
*/
class QRMatrix{
/*
* special values
*/
/** @var int */
public const IS_DARK = 0b100000000000;
public const IS_DARK = 0b100000000000;
/** @var int */
public const M_NULL = 0b000000000000;
public const M_NULL = 0b000000000000;
/** @var int */
public const M_DARKMODULE = 0b100000000001;
public const M_LOGO = 0b001000000000;
/** @var int */
public const M_DATA = 0b000000000010;
public const M_LOGO_DARK = 0b101000000000;
/** @var int */
public const M_DATA_DARK = 0b100000000010;
public const M_TEST = 0b011111111111;
/** @var int */
public const M_FINDER = 0b000000000100;
public const M_TEST_DARK = 0b111111111111;
/*
* light values
*/
/** @var int */
public const M_FINDER_DARK = 0b100000000100;
public const M_DATA = 0b000000000010;
/** @var int */
public const M_SEPARATOR = 0b000000001000;
public const M_FINDER = 0b000000000100;
/** @var int */
public const M_SEPARATOR_DARK = 0b100000001000;
public const M_SEPARATOR = 0b000000001000;
/** @var int */
public const M_ALIGNMENT = 0b000000010000;
public const M_ALIGNMENT = 0b000000010000;
/** @var int */
public const M_ALIGNMENT_DARK = 0b100000010000;
public const M_TIMING = 0b000000100000;
/** @var int */
public const M_TIMING = 0b000000100000;
public const M_FORMAT = 0b000001000000;
/** @var int */
public const M_TIMING_DARK = 0b100000100000;
public const M_VERSION = 0b000010000000;
/** @var int */
public const M_FORMAT = 0b000001000000;
public const M_QUIETZONE = 0b000100000000;
/*
* dark values
*/
/** @var int */
public const M_FORMAT_DARK = 0b100001000000;
public const M_DARKMODULE = 0b100000000001;
/** @var int */
public const M_VERSION = 0b000010000000;
public const M_DATA_DARK = 0b100000000010;
/** @var int */
public const M_VERSION_DARK = 0b100010000000;
public const M_FINDER_DARK = 0b100000000100;
/** @var int */
public const M_QUIETZONE = 0b000100000000;
public const M_ALIGNMENT_DARK = 0b100000010000;
/** @var int */
public const M_QUIETZONE_DARK = 0b100100000000;
public const M_TIMING_DARK = 0b100000100000;
/** @var int */
public const M_LOGO = 0b001000000000;
public const M_FORMAT_DARK = 0b100001000000;
/** @var int */
public const M_LOGO_DARK = 0b101000000000;
public const M_VERSION_DARK = 0b100010000000;
/** @var int */
public const M_FINDER_DOT = 0b110000000000;
public const M_FINDER_DOT = 0b110000000000;
/*
* values used for reversed reflectance
*/
/** @var int */
public const M_TEST = 0b011111111111;
public const M_DARKMODULE_LIGHT = 0b000000000001;
/** @var int */
public const M_TEST_DARK = 0b111111111111;
public const M_FINDER_DOT_LIGHT = 0b010000000000;
/** @var int */
public const M_SEPARATOR_DARK = 0b100000001000;
/** @var int */
public const M_QUIETZONE_DARK = 0b100100000000;
/**
* Map of flag => coord
@@ -579,6 +602,28 @@ class QRMatrix{
return $this;
}
/**
* Inverts the values of the whole matrix
*
* ISO/IEC 18004:2015 Section 6.2 - Reflectance reversal
*/
public function invert():self{
foreach($this->matrix as $y => $row){
foreach($row as $x => $val){
// skip null fields
if($val === $this::M_NULL){
continue;
}
$this->set($x, $y, ($val & $this::IS_DARK) !== $this::IS_DARK, $val);
}
}
return $this;
}
/**
* Clears a space of $width * $height in order to add a logo or text.
* If no $height is given, the space will be assumed a square of $width.