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Update qr.js

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add version info ,  add dark module
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wphiphi 2022-01-02 14:10:13 +01:00 committed by GitHub
parent a793919fb4
commit 720b8c5312
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1 changed files with 79 additions and 5 deletions
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js/qr.js
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@ -65,9 +65,9 @@ function generate_timing_pattern_h(t, xStart, yStart, xEnd){
}
let versions = [];
let versions_size = [];
for(let i=0;i<40;i++){
versions.push(
versions_size.push(
[21 + i*4, 21 + i*4]
)
}
@ -115,6 +115,7 @@ let alignment_lookup = [
[6, 30, 58, 86, 114, 142, 170]
];
/*
Alignment patterns are boxes sized 5x5 that are
formed as follows:
@ -168,10 +169,79 @@ function add_alignment_patterns(t, index){
console.log(alignment_locs);
}
// from table.js version_information_table ( left most bit is still position 17 )
var version_information_table_bit = [
[0,0,0,1,1,1,1,1,0,0,1,0,0,1,0,1,0,0], //7
[0,0,1,0,0,0,0,1,0,1,1,0,1,1,1,1,0,0], //8
[0,0,1,0,0,1,1,0,1,0,1,0,0,1,1,0,0,1], //9
[0,0,1,0,1,0,0,1,0,0,1,1,0,1,0,0,1,1], //10
[0,0,1,0,1,1,1,0,1,1,1,1,1,1,0,1,1,0], //11
[0,0,1,1,0,0,0,1,1,1,0,1,1,0,0,0,1,0], //12
[0,0,1,1,0,1,1,0,0,0,0,1,0,0,0,1,1,1], //13
[0,0,1,1,1,0,0,1,1,0,0,0,0,0,1,1,0,1], //14
[0,0,1,1,1,1,1,0,0,1,0,0,1,0,1,0,0,0], //15
[0,1,0,0,0,0,1,0,1,1,0,1,1,1,1,0,0,0], //16
[0,1,0,0,0,1,0,1,0,0,0,1,0,1,1,1,0,1], //17
[0,1,0,0,1,0,1,0,1,0,0,0,0,1,0,1,1,1], //18
[0,1,0,0,1,1,0,1,0,1,0,0,1,1,0,0,1,0], //19
[0,1,0,1,0,0,1,0,0,1,1,0,1,0,0,1,1,0], //20
[0,1,0,1,0,1,0,1,1,0,1,0,0,0,0,0,1,1], //21
[0,1,0,1,1,0,1,0,0,0,1,1,0,0,1,0,0,1], //22
[0,1,0,1,1,1,0,1,1,1,1,1,1,0,1,1,0,0], //23
[0,1,1,0,0,0,1,1,1,0,1,1,0,0,0,1,0,0], //24
[0,1,1,0,0,1,0,0,0,1,1,1,1,0,0,0,0,1], //25
[0,1,1,0,1,0,1,1,1,1,1,0,1,0,1,0,1,1], //26
[0,1,1,0,1,1,0,0,0,0,1,0,0,0,1,1,1,0], //27
[0,1,1,1,0,0,1,1,0,0,0,0,0,1,1,0,1,0], //28
[0,1,1,1,0,1,0,0,1,1,0,0,1,1,1,1,1,1], //29
[0,1,1,1,1,0,1,1,0,1,0,1,1,1,0,1,0,1], //30
[0,1,1,1,1,1,0,0,1,0,0,1,0,1,0,0,0,0], //31
[1,0,0,0,0,0,1,0,0,1,1,1,0,1,0,1,0,1], //32
[1,0,0,0,0,1,0,1,1,0,1,1,1,1,0,0,0,0], //33
[1,0,0,0,1,0,1,0,0,0,1,0,1,1,1,0,1,0], //34
[1,0,0,0,1,1,0,1,1,1,1,0,0,1,1,1,1,1], //35
[1,0,0,1,0,0,1,0,1,1,0,0,0,0,1,0,1,1], //36
[1,0,0,1,0,1,0,1,0,0,0,0,1,0,1,1,1,0], //37
[1,0,0,1,1,0,1,0,1,0,0,1,1,0,0,1,0,0], //38
[1,0,0,1,1,1,0,1,0,1,0,1,0,0,0,0,0,1], //39
[1,0,1,0,0,0,1,1,0,0,0,1,1,0,1,0,0,1] //40
];
function add_version_info(t, version){
if (version >= 7) {
for (step=0 ; step < 3 ; step++ )
{
x=0;
for(let i = 17 - step; i>=0 ; i -= 3){
// Bottom Left
draw_square(t, 4*version + 6 + step, x ,1, version_information_table_bit[version - 7][i]);
// Top Right
draw_square(t, x, 4*version + 6 + step ,1, version_information_table_bit[version - 7][i]);
x++;
}
}
}
return t;
}
// https://www.thonky.com/qr-code-tutorial/format-version-information
function add_dark_module(t, version){
//dark module is always (8, 4*version + 9)
draw_square(t, 4*version + 9, 8 ,1, BLACK_COLOR);
return t;
}
function generate_qr(version){
console.log(`Generating ${version}`)
let t = [];
let sizes = versions[version-1];
let sizes = versions_size[version-1];
let x_max = sizes[0];
let y_max = sizes[1];
@ -193,5 +263,9 @@ function generate_qr(version){
add_alignment_patterns(t, version-1);
return t;
}
add_dark_module(t,version);
add_version_info(t,version);
return t;
}