diff options
Diffstat (limited to 'plugins/omemo/src/ui/util.vala')
| -rw-r--r-- | plugins/omemo/src/ui/util.vala | 46 |
1 files changed, 12 insertions, 34 deletions
diff --git a/plugins/omemo/src/ui/util.vala b/plugins/omemo/src/ui/util.vala index cf61ed82..e250ff4d 100644 --- a/plugins/omemo/src/ui/util.vala +++ b/plugins/omemo/src/ui/util.vala @@ -17,46 +17,24 @@ public static string fingerprint_from_base64(string b64) { } public static string fingerprint_markup(string s) { + return "<span font_family='monospace' font='9'>" + format_fingerprint(s) + "</span>"; +} + +public static string format_fingerprint(string s) { string markup = ""; for (int i = 0; i < s.length; i += 4) { string four_chars = s.substring(i, 4).down(); - int raw = (int) from_hex(four_chars); - uint8[] bytes = {(uint8) ((raw >> 8) & 0xff - 128), (uint8) (raw & 0xff - 128)}; - - Checksum checksum = new Checksum(ChecksumType.SHA1); - checksum.update(bytes, bytes.length); - uint8[] digest = new uint8[20]; - size_t len = 20; - checksum.get_digest(digest, ref len); - - uint8 r = digest[0]; - uint8 g = digest[1]; - uint8 b = digest[2]; - - if (r == 0 && g == 0 && b == 0) r = g = b = 1; - - double brightness = 0.2126 * r + 0.7152 * g + 0.0722 * b; - - if (brightness < 80) { - double factor = 80.0 / brightness; - r = uint8.min(255, (uint8) (r * factor)); - g = uint8.min(255, (uint8) (g * factor)); - b = uint8.min(255, (uint8) (b * factor)); - - } else if (brightness > 180) { - double factor = 180.0 / brightness; - r = (uint8) (r * factor); - g = (uint8) (g * factor); - b = (uint8) (b * factor); - } - if (i % 32 == 0 && i != 0) markup += "\n"; - markup += @"<span foreground=\"$("#%02x%02x%02x".printf(r, g, b))\">$four_chars</span>"; - if (i % 8 == 4 && i % 32 != 28) markup += " "; + markup += four_chars; + if (i % 16 == 12 && i % 32 != 28) { + markup += " "; + } + if (i % 8 == 4 && i % 16 != 12) { + markup += "\u00a0"; // Non-breaking space + } } - - return "<span font_family='monospace' font='8'>" + markup + "</span>"; + return markup; } } |