diff options
Diffstat (limited to 'vendor/github.com/boombuler/barcode/qr/versioninfo.go')
-rw-r--r-- | vendor/github.com/boombuler/barcode/qr/versioninfo.go | 310 |
1 files changed, 0 insertions, 310 deletions
diff --git a/vendor/github.com/boombuler/barcode/qr/versioninfo.go b/vendor/github.com/boombuler/barcode/qr/versioninfo.go deleted file mode 100644 index 6852a576..00000000 --- a/vendor/github.com/boombuler/barcode/qr/versioninfo.go +++ /dev/null @@ -1,310 +0,0 @@ -package qr - -import "math" - -// ErrorCorrectionLevel indicates the amount of "backup data" stored in the QR code -type ErrorCorrectionLevel byte - -const ( - // L recovers 7% of data - L ErrorCorrectionLevel = iota - // M recovers 15% of data - M - // Q recovers 25% of data - Q - // H recovers 30% of data - H -) - -func (ecl ErrorCorrectionLevel) String() string { - switch ecl { - case L: - return "L" - case M: - return "M" - case Q: - return "Q" - case H: - return "H" - } - return "unknown" -} - -type encodingMode byte - -const ( - numericMode encodingMode = 1 - alphaNumericMode encodingMode = 2 - byteMode encodingMode = 4 - kanjiMode encodingMode = 8 -) - -type versionInfo struct { - Version byte - Level ErrorCorrectionLevel - ErrorCorrectionCodewordsPerBlock byte - NumberOfBlocksInGroup1 byte - DataCodeWordsPerBlockInGroup1 byte - NumberOfBlocksInGroup2 byte - DataCodeWordsPerBlockInGroup2 byte -} - -var versionInfos = []*versionInfo{ - &versionInfo{1, L, 7, 1, 19, 0, 0}, - &versionInfo{1, M, 10, 1, 16, 0, 0}, - &versionInfo{1, Q, 13, 1, 13, 0, 0}, - &versionInfo{1, H, 17, 1, 9, 0, 0}, - &versionInfo{2, L, 10, 1, 34, 0, 0}, - &versionInfo{2, M, 16, 1, 28, 0, 0}, - &versionInfo{2, Q, 22, 1, 22, 0, 0}, - &versionInfo{2, H, 28, 1, 16, 0, 0}, - &versionInfo{3, L, 15, 1, 55, 0, 0}, - &versionInfo{3, M, 26, 1, 44, 0, 0}, - &versionInfo{3, Q, 18, 2, 17, 0, 0}, - &versionInfo{3, H, 22, 2, 13, 0, 0}, - &versionInfo{4, L, 20, 1, 80, 0, 0}, - &versionInfo{4, M, 18, 2, 32, 0, 0}, - &versionInfo{4, Q, 26, 2, 24, 0, 0}, - &versionInfo{4, H, 16, 4, 9, 0, 0}, - &versionInfo{5, L, 26, 1, 108, 0, 0}, - &versionInfo{5, M, 24, 2, 43, 0, 0}, - &versionInfo{5, Q, 18, 2, 15, 2, 16}, - &versionInfo{5, H, 22, 2, 11, 2, 12}, - &versionInfo{6, L, 18, 2, 68, 0, 0}, - &versionInfo{6, M, 16, 4, 27, 0, 0}, - &versionInfo{6, Q, 24, 4, 19, 0, 0}, - &versionInfo{6, H, 28, 4, 15, 0, 0}, - &versionInfo{7, L, 20, 2, 78, 0, 0}, - &versionInfo{7, M, 18, 4, 31, 0, 0}, - &versionInfo{7, Q, 18, 2, 14, 4, 15}, - &versionInfo{7, H, 26, 4, 13, 1, 14}, - &versionInfo{8, L, 24, 2, 97, 0, 0}, - &versionInfo{8, M, 22, 2, 38, 2, 39}, - &versionInfo{8, Q, 22, 4, 18, 2, 19}, - &versionInfo{8, H, 26, 4, 14, 2, 15}, - &versionInfo{9, L, 30, 2, 116, 0, 0}, - &versionInfo{9, M, 22, 3, 36, 2, 37}, - &versionInfo{9, Q, 20, 4, 16, 4, 17}, - &versionInfo{9, H, 24, 4, 12, 4, 13}, - &versionInfo{10, L, 18, 2, 68, 2, 69}, - &versionInfo{10, M, 26, 4, 43, 1, 44}, - &versionInfo{10, Q, 24, 6, 19, 2, 20}, - &versionInfo{10, H, 28, 6, 15, 2, 16}, - &versionInfo{11, L, 20, 4, 81, 0, 0}, - &versionInfo{11, M, 30, 1, 50, 4, 51}, - &versionInfo{11, Q, 28, 4, 22, 4, 23}, - &versionInfo{11, H, 24, 3, 12, 8, 13}, - &versionInfo{12, L, 24, 2, 92, 2, 93}, - &versionInfo{12, M, 22, 6, 36, 2, 37}, - &versionInfo{12, Q, 26, 4, 20, 6, 21}, - &versionInfo{12, H, 28, 7, 14, 4, 15}, - &versionInfo{13, L, 26, 4, 107, 0, 0}, - &versionInfo{13, M, 22, 8, 37, 1, 38}, - &versionInfo{13, Q, 24, 8, 20, 4, 21}, - &versionInfo{13, H, 22, 12, 11, 4, 12}, - &versionInfo{14, L, 30, 3, 115, 1, 116}, - &versionInfo{14, M, 24, 4, 40, 5, 41}, - &versionInfo{14, Q, 20, 11, 16, 5, 17}, - &versionInfo{14, H, 24, 11, 12, 5, 13}, - &versionInfo{15, L, 22, 5, 87, 1, 88}, - &versionInfo{15, M, 24, 5, 41, 5, 42}, - &versionInfo{15, Q, 30, 5, 24, 7, 25}, - &versionInfo{15, H, 24, 11, 12, 7, 13}, - &versionInfo{16, L, 24, 5, 98, 1, 99}, - &versionInfo{16, M, 28, 7, 45, 3, 46}, - &versionInfo{16, Q, 24, 15, 19, 2, 20}, - &versionInfo{16, H, 30, 3, 15, 13, 16}, - &versionInfo{17, L, 28, 1, 107, 5, 108}, - &versionInfo{17, M, 28, 10, 46, 1, 47}, - &versionInfo{17, Q, 28, 1, 22, 15, 23}, - &versionInfo{17, H, 28, 2, 14, 17, 15}, - &versionInfo{18, L, 30, 5, 120, 1, 121}, - &versionInfo{18, M, 26, 9, 43, 4, 44}, - &versionInfo{18, Q, 28, 17, 22, 1, 23}, - &versionInfo{18, H, 28, 2, 14, 19, 15}, - &versionInfo{19, L, 28, 3, 113, 4, 114}, - &versionInfo{19, M, 26, 3, 44, 11, 45}, - &versionInfo{19, Q, 26, 17, 21, 4, 22}, - &versionInfo{19, H, 26, 9, 13, 16, 14}, - &versionInfo{20, L, 28, 3, 107, 5, 108}, - &versionInfo{20, M, 26, 3, 41, 13, 42}, - &versionInfo{20, Q, 30, 15, 24, 5, 25}, - &versionInfo{20, H, 28, 15, 15, 10, 16}, - &versionInfo{21, L, 28, 4, 116, 4, 117}, - &versionInfo{21, M, 26, 17, 42, 0, 0}, - &versionInfo{21, Q, 28, 17, 22, 6, 23}, - &versionInfo{21, H, 30, 19, 16, 6, 17}, - &versionInfo{22, L, 28, 2, 111, 7, 112}, - &versionInfo{22, M, 28, 17, 46, 0, 0}, - &versionInfo{22, Q, 30, 7, 24, 16, 25}, - &versionInfo{22, H, 24, 34, 13, 0, 0}, - &versionInfo{23, L, 30, 4, 121, 5, 122}, - &versionInfo{23, M, 28, 4, 47, 14, 48}, - &versionInfo{23, Q, 30, 11, 24, 14, 25}, - &versionInfo{23, H, 30, 16, 15, 14, 16}, - &versionInfo{24, L, 30, 6, 117, 4, 118}, - &versionInfo{24, M, 28, 6, 45, 14, 46}, - &versionInfo{24, Q, 30, 11, 24, 16, 25}, - &versionInfo{24, H, 30, 30, 16, 2, 17}, - &versionInfo{25, L, 26, 8, 106, 4, 107}, - &versionInfo{25, M, 28, 8, 47, 13, 48}, - &versionInfo{25, Q, 30, 7, 24, 22, 25}, - &versionInfo{25, H, 30, 22, 15, 13, 16}, - &versionInfo{26, L, 28, 10, 114, 2, 115}, - &versionInfo{26, M, 28, 19, 46, 4, 47}, - &versionInfo{26, Q, 28, 28, 22, 6, 23}, - &versionInfo{26, H, 30, 33, 16, 4, 17}, - &versionInfo{27, L, 30, 8, 122, 4, 123}, - &versionInfo{27, M, 28, 22, 45, 3, 46}, - &versionInfo{27, Q, 30, 8, 23, 26, 24}, - &versionInfo{27, H, 30, 12, 15, 28, 16}, - &versionInfo{28, L, 30, 3, 117, 10, 118}, - &versionInfo{28, M, 28, 3, 45, 23, 46}, - &versionInfo{28, Q, 30, 4, 24, 31, 25}, - &versionInfo{28, H, 30, 11, 15, 31, 16}, - &versionInfo{29, L, 30, 7, 116, 7, 117}, - &versionInfo{29, M, 28, 21, 45, 7, 46}, - &versionInfo{29, Q, 30, 1, 23, 37, 24}, - &versionInfo{29, H, 30, 19, 15, 26, 16}, - &versionInfo{30, L, 30, 5, 115, 10, 116}, - &versionInfo{30, M, 28, 19, 47, 10, 48}, - &versionInfo{30, Q, 30, 15, 24, 25, 25}, - &versionInfo{30, H, 30, 23, 15, 25, 16}, - &versionInfo{31, L, 30, 13, 115, 3, 116}, - &versionInfo{31, M, 28, 2, 46, 29, 47}, - &versionInfo{31, Q, 30, 42, 24, 1, 25}, - &versionInfo{31, H, 30, 23, 15, 28, 16}, - &versionInfo{32, L, 30, 17, 115, 0, 0}, - &versionInfo{32, M, 28, 10, 46, 23, 47}, - &versionInfo{32, Q, 30, 10, 24, 35, 25}, - &versionInfo{32, H, 30, 19, 15, 35, 16}, - &versionInfo{33, L, 30, 17, 115, 1, 116}, - &versionInfo{33, M, 28, 14, 46, 21, 47}, - &versionInfo{33, Q, 30, 29, 24, 19, 25}, - &versionInfo{33, H, 30, 11, 15, 46, 16}, - &versionInfo{34, L, 30, 13, 115, 6, 116}, - &versionInfo{34, M, 28, 14, 46, 23, 47}, - &versionInfo{34, Q, 30, 44, 24, 7, 25}, - &versionInfo{34, H, 30, 59, 16, 1, 17}, - &versionInfo{35, L, 30, 12, 121, 7, 122}, - &versionInfo{35, M, 28, 12, 47, 26, 48}, - &versionInfo{35, Q, 30, 39, 24, 14, 25}, - &versionInfo{35, H, 30, 22, 15, 41, 16}, - &versionInfo{36, L, 30, 6, 121, 14, 122}, - &versionInfo{36, M, 28, 6, 47, 34, 48}, - &versionInfo{36, Q, 30, 46, 24, 10, 25}, - &versionInfo{36, H, 30, 2, 15, 64, 16}, - &versionInfo{37, L, 30, 17, 122, 4, 123}, - &versionInfo{37, M, 28, 29, 46, 14, 47}, - &versionInfo{37, Q, 30, 49, 24, 10, 25}, - &versionInfo{37, H, 30, 24, 15, 46, 16}, - &versionInfo{38, L, 30, 4, 122, 18, 123}, - &versionInfo{38, M, 28, 13, 46, 32, 47}, - &versionInfo{38, Q, 30, 48, 24, 14, 25}, - &versionInfo{38, H, 30, 42, 15, 32, 16}, - &versionInfo{39, L, 30, 20, 117, 4, 118}, - &versionInfo{39, M, 28, 40, 47, 7, 48}, - &versionInfo{39, Q, 30, 43, 24, 22, 25}, - &versionInfo{39, H, 30, 10, 15, 67, 16}, - &versionInfo{40, L, 30, 19, 118, 6, 119}, - &versionInfo{40, M, 28, 18, 47, 31, 48}, - &versionInfo{40, Q, 30, 34, 24, 34, 25}, - &versionInfo{40, H, 30, 20, 15, 61, 16}, -} - -func (vi *versionInfo) totalDataBytes() int { - g1Data := int(vi.NumberOfBlocksInGroup1) * int(vi.DataCodeWordsPerBlockInGroup1) - g2Data := int(vi.NumberOfBlocksInGroup2) * int(vi.DataCodeWordsPerBlockInGroup2) - return (g1Data + g2Data) -} - -func (vi *versionInfo) charCountBits(m encodingMode) byte { - switch m { - case numericMode: - if vi.Version < 10 { - return 10 - } else if vi.Version < 27 { - return 12 - } - return 14 - - case alphaNumericMode: - if vi.Version < 10 { - return 9 - } else if vi.Version < 27 { - return 11 - } - return 13 - - case byteMode: - if vi.Version < 10 { - return 8 - } - return 16 - - case kanjiMode: - if vi.Version < 10 { - return 8 - } else if vi.Version < 27 { - return 10 - } - return 12 - default: - return 0 - } -} - -func (vi *versionInfo) modulWidth() int { - return ((int(vi.Version) - 1) * 4) + 21 -} - -func (vi *versionInfo) alignmentPatternPlacements() []int { - if vi.Version == 1 { - return make([]int, 0) - } - - first := 6 - last := vi.modulWidth() - 7 - space := float64(last - first) - count := int(math.Ceil(space/28)) + 1 - - result := make([]int, count) - result[0] = first - result[len(result)-1] = last - if count > 2 { - step := int(math.Ceil(float64(last-first) / float64(count-1))) - if step%2 == 1 { - frac := float64(last-first) / float64(count-1) - _, x := math.Modf(frac) - if x >= 0.5 { - frac = math.Ceil(frac) - } else { - frac = math.Floor(frac) - } - - if int(frac)%2 == 0 { - step-- - } else { - step++ - } - } - - for i := 1; i <= count-2; i++ { - result[i] = last - (step * (count - 1 - i)) - } - } - - return result -} - -func findSmallestVersionInfo(ecl ErrorCorrectionLevel, mode encodingMode, dataBits int) *versionInfo { - dataBits = dataBits + 4 // mode indicator - for _, vi := range versionInfos { - if vi.Level == ecl { - if (vi.totalDataBytes() * 8) >= (dataBits + int(vi.charCountBits(mode))) { - return vi - } - } - } - return nil -} |