mirror of
https://github.com/espruino/Espruino.git
synced 2025-12-08 19:06:15 +00:00
446 lines
13 KiB
JavaScript
Executable File
446 lines
13 KiB
JavaScript
Executable File
#!/usr/bin/nodejs
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/* This is a super hacky bit of code that takes a specially formatted SVG file
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and creates an Espruino vector font from it.
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*/
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// SVG contents from http://forum.espruino.com/conversations/347368/#comment15288563
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// Converted with https://nebbishhacker.github.io/svg2bangle/ tolerance 0
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var polyImg = [
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"ZDRiNWQ2ZjZnN2c5ZjpkOmQ8ZjxoO2k5aTdoNWY0",
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"ZDBiMWEzYTliO2Q8ZDpjOWM3ZDZjNWMzZDJmMmYw",
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"JDAkMiYyJzMnNCY1IjghOiE8KTwpOiM6IzskOSg2KTQpMygxJjA=",
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"IUAhTCNMI0A=",
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"I0ImQidDJ0QmRSNFI0cnRyhIKEknSiNKI0wnTClLKkkqSClGKEUoRilEKUMoQSZAI0A=",
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"Q0JFQkdDSEVIR0dJRUpDSkNMRkxIS0lKSkhKRElCSEFGQENA",
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"Q0BBQEFMQ0w=",
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"WUxZSlNKU0dXR1dFU0VTQllCWUBRQFFM",
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"YUBhTGNMY0dnR2dFY0VjQmlCaUA=",
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"E0wRTBVAF0A=",
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"F0AWQxhJGUwbTA==",
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"FWYUZhNnE2kUahVqF2sVbBRsEmsRaRFnEmUUZBVkF2U=",
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"FmUWZBhkGGwWbBZrFWoWaRZnFWY=",
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"NWQ3ZThnNmc1Zg==",
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"NWw0bDJrMWkxZzJlNGQ1ZDVmNGYzZzNpNGo1ag==",
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"NWo2aThpN2s1bA==",
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"JGYlZiZnJmklaiRqImskbCVsJ2soaShnJ2UlZCRkImU=",
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"I2UjYCFgIWwjbCNrJGojaSNnJGY=",
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"VGRVZFdlWGdYaVNpU2dWZ1VmVGY=",
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"VGZTZ1NpVGpWaldrVWxUbFJrUWlRZ1JlVGQ=",
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"YmxiZmFmYWRiZGJjY2FlYGZgZmJlYmRjZGRmZGZmZGZkbA==",
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"9Wb0ZvNn82n0avVq9Wz0bPJr8WnxZ/Jl9GT1ZA==",
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"dW10bXNscWxybnRvdW93bnhseGN2Y3ZkdWV2ZnZodWl2anZs",
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"dWV0ZXNmc2h0aXVpd2p1a3RrcmpxaHFmcmR0Y3Vjd2Q=",
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"gUCBTINMg0eIR4hFg0WDQA==",
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"iECKQIpMiEw=",
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"kkCRQJFCkkKSSpFKkUyVTJVKlEqUQpVClUCUQA==",
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"p0ykTKJLoUmjSKRKo0mlSqZK",
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"sUCxTLNMs0i1RrNGs0A=",
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"uECzRrhMuky1RrpA",
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"wUDBTMlMyUrDSsNA",
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"0UDTQNNM0Uw=",
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"3EDaQNpM3Ew=",
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"4UDjQONM4Uw=",
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"6EzoSONA40Q=",
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"6kDoQOhM6kw=",
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"1krXStdI00DTRA==",
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"10rWSNpA2kQ=",
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"AVABXANcA1A=",
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"A1IGUgdTB1UGVgNWA1gGWAhXCVUJUwhRBlADUA==",
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"GFAXUhlTGlUaVxlZF1oYXBpeHF0aWxtaHFgcVBtSGlE=",
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"IVAhXCNcI1A=",
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"NFAyUTFTMVQyVjRXNlc3WDdZNlo0WjRcNlw4WzlZOVg4VjZVNFUzVDNTNFI2UjZQ",
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"M1k0WjRcMlsxWQ==",
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"N1M2UjZQOFE5Uw==",
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"I1ImUidTJ1UmViNWI1gmWChXKVUpUyhRJlAjUA==",
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"QVBBUkVSRVxHXEdSS1JLUA==",
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"WFBYWFdaWFlWWldcWVtaWVpQ",
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"V1xUXFJbUVlRUFNQU1hUWlNZVVpWWg==",
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"ZVxnXGNQYVA=",
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"Z1xlXGlQa1A=",
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"dFx2XHNQcVA=",
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"fFx7WH1Qf1A=",
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"elx8XHlQeFQ=",
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"dlx1WHdQeVA=",
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"gVCJXItcg1A=",
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"i1CDXIFciVA=",
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"m1CXV5dclVyVV5lQ",
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"oVCpUKlSo1qpWqlcoVyhWqdSoVI=",
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"F1IWUhRTE1UTVxRZFloXWhhcFVwTWxJaEVgRVBJSE1EVUBhQ",
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"90L2QvRD80XzR/RJ9kr3SvhM9UzzS/JK8UjxRPJC80H1QPhA",
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"90L5Q/pF+kf5SfdK+Ez6S/tK/Ej8RPtC+kH4QA==",
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"d0J2QnRDc0VzR3RJdkp3SnhMdUxzS3JKcUhxRHJCc0F1QHhA",
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"d0J5Q3tCekF4QA==",
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"d0p5SXlId0h3RntGe0p6S3hM",
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"N0I2QjRDM0UzRzRJNko3SjhMNUwzSzJKMUgxRDJCM0E1QDhA",
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"N0o4TDpLO0o5SQ==",
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"N0I4QDpBO0I5Qw==",
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"hGaFZoZnhmyIbIhnh2WFZIRkgmU=",
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"g2WDYIFggWyDbINnhGY=",
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"kWSTZJNskWw=",
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"kWCTYJNikWI=",
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"qkCqSalLp0ymSqhJp0qoSKhA",
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"pWSlbKRuom+hb6Ftom2jbKNk",
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"o2ClYKVio2I=",
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"sWCxbLNss2q1aLNos2A=",
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"tmSzaLZsuGy1aLhk",
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"wWDDYMNswWw=",
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"1GbVZtZn1mzYbNhn2WbVZNRk0mU=",
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"02XTZNFk0WzTbNNn1GY=",
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"2WbaZttn22zdbN1n3GXaZNlk12U=",
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"5GblZuZn5mzobOhn52XlZORk4mU=",
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"42XjZOFk4WzjbONn5GY=",
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"9Wb2Z/Zp9Wr1bPdr+Gn4Z/dl9WQ=",
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"RWZEZkNnQ2lEakVqR2tFbERsQmtBaUFnQmVEZEVkR2U=",
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"RmVGYEhgSGxGbEZrRWpGaUZnRWY=",
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"BHoFegZ5BncFdgR2AnUEdAV0B3UIdwh5B3sFfAR8Ans=",
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"A3sDfwF/AXQDdAN1BHYDdwN5BHo=",
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"FXoUehN5E3cUdhV2F3UVdBR0EnURdxF5EnsUfBV8F3s=",
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"FnsWfxh/GHQWdBZ1FXYWdxZ5FXo=",
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"JHYldiZ3KHYndSV0JHQidQ==",
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"I3UjdCF0IXwjfCN3JHY=",
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"NXw3ezh5N3g1dzR3M3YzdzR2NXY3dzh2N3U1dDR0MnUxdzJ4NHk1eTZ6Nnk1ejR6MnkxejJ7NHw=",
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"QnBCdEF0QXZCdkJ5Q3tFfEZ8RnpFekR5RHZGdkZ0RHREcA==",
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"VXpUelN5U3RRdFF5UntUfFV8V3s=",
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"VntWfFh8WHRWdFZ5VXo=",
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"ZHxmfGN0YXQ=",
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"ZnxkfGd0aXQ=",
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"gXSDdIl8h3w=",
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"iXSHdIF8g3w=",
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"mnSWfJV+k3+Sf5J9k32UfJh0",
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"kXSVfJZ6k3Q=",
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"oXSodKh2pHqoeqh8oXyheqV2oXY=",
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"BDwGPAg7CTkJMwgxBjAEMAQyBjIHMwc5BjoEOg==",
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"BDwCOwE5ATMCMQQwBDIDMwM5BDo=",
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"NDI2MjczNzQ2NTQ1NDc2Nzc4Nzk2OjQ6NDw2PDg7OTk5ODg2OTQ5MzgxNjA0MA==",
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"IjEhMyMzJDIkMA==",
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"MjExMzMzNDI0MA==",
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"MjsxOTM5NDo0PA==",
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"FDAUOhE6ETwZPBk6FjoWMA==",
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"RjBGN0E3QTlGOUY8SDxIOUk5STdIN0gw",
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"QTdDN0gwRjA=",
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"UzdRN1EwWTBZMlMyUzVUNg==",
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"UjVUNFY0WDVZN1k5WDtWPFQ8VDpWOlc5VzdWNlQ2",
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"UjtROVM5VDpUPA==",
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"aDFpM2czZjJmMA==",
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"cTBxMncyczx1PHkyeTA=",
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"hDCCMYEzgTSCNoE4gTmCO4Q8hjyGOoQ6gzmDOIQ3hjeGNYQ1gzSDM4QyhjKGMA==",
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"hjCGMoczhzSGNYY3hziHOYY6hjyIO4k5iTiINok0iTOIMQ==",
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"ljiYN5Y2lDaTNZMzlDKWMpYwlDCSMZEzkTWSN5Q4",
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"ljyYO5k5mTOYMZYwljKXM5c1ljaXN5c5ljqUOpQ8",
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"kjuROZM5lDqUPA==",
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"ETIUMBQyETQ=",
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"kVCVV5dXk1A=",
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"dHx2fHN0cXQ=",
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"dnx0fHZ0eHQ=",
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"eHx6fHh0dnQ=",
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"enx4fHt0fXQ=",
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"ESoTKhMsESw=",
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"ESATIBMoESg=",
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"ISAjICMkISQ=",
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"JCAmICYkJCQ=",
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"NCA2IDQsMiw=",
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"OCA6IDgsNiw=",
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"MCc7JzspMCk=",
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"MSM8IzwlMSU=",
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"WSBbIFQsUiw=",
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"UCNRIVMgUyJSI1MkUyZRJQ==",
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"ViNVIVMgUyJUI1MkUyZVJQ==",
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"VylYJ1omWihZKVoqWixYKw==",
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"XSlcJ1omWihbKVoqWixcKw==",
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"QyhEKUQrQipBKA==",
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"RiRFI0UhRyJIJA==",
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"RCBFIEUsRCw=",
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"RCFCIkEkQiZEJ0QlQyREIw==",
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"RSVFJ0YoRSlFK0cqSChHJg==",
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"ZiZoJWkjaCFmIGYiZyNmJA==",
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"ZipkKmMpYyhkJ2YmZiRkJWImYShhKWIrZCxmLA==",
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"ZixoK2kqayZpJmgoZio=",
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"ZiBkIWMjZCVpLGssZiVlI2Yi",
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"cSBzIHMkcSQ=",
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"hiKEJIMmgymEK4Ythi+ELoIsgSmBJoIjhCGGIA==",
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"kSKTJJQmlCmTK5EtkS+TLpUslimWJpUjkyGRIA==",
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"tCK0JbElsSe0J7Qqtiq2J7knuSW2JbYi",
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"0SXXJdcn0Sc=",
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"pCimKKYgpCA=",
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"pCKiIaEjoyShJaInpCY=",
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"piKoIakjpySpJagnpiY=",
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"wS7DLsQsxCrCKsIs",
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"4SrjKuMs4Sw=",
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"+CD6IPMu8S4=",
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"oTSjNKM2oTY=",
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"oTqjOqM8oTw=",
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"sT6zPrQ8tDqyOrI8",
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"sjS0NLQ2sjY=",
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"yTLBNsk6yTjFNsk0",
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"0TPZM9k10TU=",
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"0TfZN9k50Tk=",
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"4TLpNuE64TjlNuE0",
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"8jHxM/Mz9DL0MA==",
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"9DD0MvYy9zP3NPY19TX0NvQ49jj2N/g2+TT5M/gx9jA=",
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"9Dr2OvY89Dw=",
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"sVCxX7Zftl2zXbNStlK2UA==",
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"1lDWX9Ff0V3UXdRS0VLRUA==",
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"w1DBUMheyl4=",
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"5VDhVuNW5VM=",
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"8V35Xflf8V8=",
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"tnC0cbNzs3Wyd7N2sXexeLN5snizerN8tH62f7d/t322fbV8tXq0eLN3s3i0d7V1tXO2crdyt3A=",
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"wXDDcMN/wX8=",
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"0nDUcdVz1XXWd9V213fXeNV51njVetV81H7Sf9F/0X3SfdN803rUeNV31XjUd9N103PSctFy0XA=",
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"5HPidOF24Xfjd+N25HU=",
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"5HPkdeV25njoeeh353bmdA==",
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"6XXpduh36HnqeOt263U=",
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"AWADYAZkBGQ=",
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"CEYHRgZHBkgHSQhJCkoISwdLBUoESARHBUUHRAhECkU=",
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"C0QLSAxJC0sISQlICUcIRglFCUQ=",
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"Ck8GTwROAkwBSQFGAkMEQQZACkAJQgdCBUMERANGA0kESwVMB00JTQ==",
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"CU0LTA1NDE4KTw==",
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"CkAMQQ5DD0UPSA5KDEsLSwxJDUgNRgxEC0MJQg==",
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"JVcoXCpcJ1c=",
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"FEcTSRlJGEc=",
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"5VDpVudW5VM=",
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"B4IGggSDBIQGhAaFBIUEhwaHBogEiASJBooHigiMBYwDiwKKAogAiACHAocChQCFAIQChAKCA4EFgAiA",
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"B4oIjAqLC4oJiQ==",
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"B4IIgAqBC4IJgw==",
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"A7AFsAaxBrMFtAO0A7MFswWxA7E=",
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"A7QCswKxA7A=",
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"BPQG9Aj3Bvc=",
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"GfQX9BX3F/c=",
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"I/cm9Cn3J/cm9iX3",
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"Q/dD9UX1Rfc=",
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"R/dH9Un1Sfc=",
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"VfRX9Fj1WPdX+FX4VfdX91f1VfU=",
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"VfhU91T1VfQ=",
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"M/U18zf1OfM59Tf3NfUz9w=="
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];
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var charData = [];
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var firstChar=255, lastChar=0;
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var maxPolyLen = 0;
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polyImg.forEach(function(polyb64) {
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let buf = new Buffer(polyb64, 'base64');
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var minx=1000,maxx=-1,miny=1000,maxy=-1;
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var poly = [];
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for (var i=0;i<buf.length;i+=2) {
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var x = buf.readUInt8(i);
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var y = buf.readUInt8(i+1);
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if (x<minx) minx=x;
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if (y<miny) miny=y;
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if (x>maxx) maxx=x;
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if (y>maxy) maxy=y;
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poly.push((x&15)+((y&15)<<4));
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}
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if (poly.length > maxPolyLen)
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maxPolyLen = poly.length;
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var cx = minx>>4;
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var cy = miny>>4;
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var dx = maxx>>4;
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var dy = maxy>>4;
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if (cx!=dx || cy!=dy) console.log("Char straddles boundary!");
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var charNumber = cx + (cy*16);
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if (charNumber < 240 && charNumber > lastChar) lastChar = charNumber;
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if (charNumber < firstChar) firstChar = charNumber;
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if (charData[charNumber]===undefined)
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charData[charNumber] = [];
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charData[charNumber].push(poly);
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});
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function outputCharCode(c, char) {
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vector_font_c += `// ${c}\n`;
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if (char!==undefined && char.length) {
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var elements = 0;
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char.forEach((poly,n) => {
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var last = n == char.length-1;
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vector_font_c += poly.join(",")+
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","+(last?"VF_END_OF_CHAR":"VF_END_OF_POLY")+",\n";
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elements += poly.length+1;
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});
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return elements;
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} else {
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vector_font_c += "VF_END_OF_CHAR,\n";
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return 1;
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}
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}
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var vector_font_c = `/*
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* This file is part of Espruino, a JavaScript interpreter for Microcontrollers
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*
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* Copyright (C) 2020 Gordon Williams <gw@pur3.co.uk>
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* ----------------------------------------------------------------------------
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* Machine generated vector font header (by build_vector_font.sh)
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* ----------------------------------------------------------------------------
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*/
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#ifndef NO_VECTOR_FONT
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#include "graphics.h"
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const uint8_t vfFirstChar = ${firstChar};
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const uint8_t vfLastChar = ${lastChar};
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#define VF_END_OF_POLY 0xFE
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#define VF_END_OF_CHAR 0xFF
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#define VF_SCALE 12
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#define VF_OFFSET_Y (0)
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static const uint8_t vfPolys[] IN_FLASH_MEMORY = {
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`;
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for (var c=firstChar;c<=lastChar;c++) {
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var char = charData[c];
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outputCharCode(c, char);
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}
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var accentIndices = [];
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vector_font_c += `};
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static const uint8_t vfAccentPolys[] IN_FLASH_MEMORY = {
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`;
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var n = 0;
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for (var c=240;c<246;c++) {
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var char = charData[c];
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accentIndices[c-240] = n;
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n += outputCharCode(c, char);
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}
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vector_font_c += `
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};
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static const uint8_t vfAccentPolyIndices[] = {${accentIndices.join(",")}};
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static const uint8_t *vfGetCharPtr(char sch, const uint8_t **accentPtr, int *accentX, int *accentY) {
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unsigned char ch = (unsigned char)sch;
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if (ch>=192) {
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// 012345 correspond to 0=grave,1=acute,2=circumflex,3=tilde,4=umlaut,5=ring
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char *chrMap = "AAAAAAACEEEEIIIIDNOOOOOxOUUUUYIBaaaaaaaceeeeiiiionooooo-ouuuuyly";
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char *accMap = "012345E,01240124-301234 /01241o 012345e,01240124+301234:/01241p4";
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if (ch>=192) {
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int i = ch-192;
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ch = (unsigned char)chrMap[i];
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if (accentPtr) {
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char acc = accMap[i];
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*accentX = 0;
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*accentY = 0;
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if (acc>='0' && acc<='5') {
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*accentPtr = &vfAccentPolys[vfAccentPolyIndices[acc-'0']];
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if (ch>='a' && ch<='z') { // lowercase
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*accentX = -2;
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*accentY = -4;
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} else { // uppercase
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*accentY = -8;
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}
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if (ch=='I') *accentX -= 3;
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if (ch=='i') *accentX -= 2;
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} else if (acc!=' ') {
|
|
*accentPtr = vfGetCharPtr(acc, NULL,NULL,NULL);
|
|
if (acc=='E') *accentX = 8;
|
|
if (acc=='e') *accentX = 4;
|
|
if (acc==',') *accentX = 4;
|
|
if (acc=='+') *accentY = -4;
|
|
if (acc==':') { *accentX = 2;*accentY = -2; }
|
|
if (acc=='o') { *accentX = 2;*accentY = -1; }
|
|
}
|
|
|
|
}
|
|
}
|
|
}
|
|
if (ch<vfFirstChar || ch>vfLastChar) return NULL;
|
|
if (ch==vfFirstChar) return vfPolys;
|
|
int charCounter = ((uint8_t)ch) - vfFirstChar;
|
|
for (unsigned int p=0;p < sizeof(vfPolys);p++) {
|
|
if (vfPolys[p] == VF_END_OF_CHAR) {
|
|
charCounter--;
|
|
if (charCounter==0)
|
|
return &vfPolys[p+1];
|
|
}
|
|
}
|
|
return 0; // we went past the end
|
|
}
|
|
|
|
// prints character, returns width
|
|
unsigned int vfDrawCharPtr(JsGraphics *gfx, int x1, int y1, int size, const uint8_t *charPtr) {
|
|
x1 = x1<<4;
|
|
y1 = y1<<4;
|
|
short poly[${maxPolyLen*2}];
|
|
int polyLen = 0;
|
|
int w = 0;
|
|
while (*charPtr!=VF_END_OF_CHAR) {
|
|
if (*charPtr==VF_END_OF_POLY) {
|
|
graphicsFillPoly(gfx, polyLen, poly);
|
|
polyLen = 0;
|
|
} else {
|
|
uint8_t vertex = *charPtr;
|
|
int vx = vertex&15;
|
|
int vy = vertex>>4;
|
|
if (vx>w) w=vx;
|
|
poly[polyLen*2 ] = (short)(x1 + vx*size*16/VF_SCALE);
|
|
poly[polyLen*2+1] = (short)(y1 + (vy+VF_OFFSET_Y)*size*16/VF_SCALE);
|
|
polyLen++;
|
|
}
|
|
charPtr++;
|
|
}
|
|
graphicsFillPoly(gfx, polyLen, poly);
|
|
return (unsigned int)(((w+1)*size*16/VF_SCALE+7)>>4);
|
|
}
|
|
|
|
// returns the width of a character
|
|
unsigned int graphicsVectorCharWidth(JsGraphics *gfx, unsigned int size, char ch) {
|
|
NOT_USED(gfx);
|
|
const uint8_t *p = vfGetCharPtr(ch, NULL,NULL,NULL);
|
|
if (!p) return (unsigned int)(size/2);
|
|
int w = 0;
|
|
while (*p!=VF_END_OF_CHAR) {
|
|
if (*p!=VF_END_OF_POLY) {
|
|
uint8_t vertex = *p;
|
|
int vx = vertex&15;
|
|
if (vx>w) w=vx;
|
|
}
|
|
p++;
|
|
}
|
|
return (unsigned int)(((w+1)*size*16/VF_SCALE+7)>>4);
|
|
}
|
|
|
|
// prints character, returns width
|
|
unsigned int graphicsFillVectorChar(JsGraphics *gfx, int x1, int y1, int size, char ch) {
|
|
const uint8_t *accentPtr = 0;
|
|
int accentX, accentY;
|
|
const uint8_t *charPtr = vfGetCharPtr(ch, &accentPtr, &accentX, &accentY);
|
|
if (!charPtr) return (unsigned int)(size/2);
|
|
unsigned int w = vfDrawCharPtr(gfx, x1, y1, size, charPtr);
|
|
unsigned int w2 = 0;
|
|
if (accentPtr)
|
|
w2 = vfDrawCharPtr(gfx, x1 + ((accentX*size*16/VF_SCALE)>>4), y1 + ((accentY*size*16/VF_SCALE)>>4), size, accentPtr);
|
|
return (w2>w)?w2:w;
|
|
}
|
|
|
|
#endif
|
|
`;
|
|
|
|
var vector_font_h = `/*
|
|
* This file is part of Espruino, a JavaScript interpreter for Microcontrollers
|
|
*
|
|
* Copyright (C) 2020 Gordon Williams <gw@pur3.co.uk>
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* ----------------------------------------------------------------------------
|
|
* Machine generated vector font header (by build_vector_font.sh)
|
|
* ----------------------------------------------------------------------------
|
|
*/
|
|
|
|
#ifndef NO_VECTOR_FONT
|
|
#include "graphics.h"
|
|
|
|
// returns the width of a character
|
|
unsigned int graphicsVectorCharWidth(JsGraphics *gfx, unsigned int size, char ch);
|
|
// prints character, returns width
|
|
unsigned int graphicsFillVectorChar(JsGraphics *gfx, int x1, int y1, int size, char ch);
|
|
#endif
|
|
`;
|
|
|
|
|
|
require("fs").writeFileSync(__dirname + "/../libs/graphics/vector_font.c", vector_font_c);
|
|
require("fs").writeFileSync(__dirname + "/../libs/graphics/vector_font.h", vector_font_h);
|