ref: 2dc257c17c5088dd00af6ab6c549b76a0b8bb617
app/src/main/java/ml/adamsprogs/bimba/api/Structs.kt
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 |
package ml.adamsprogs.bimba.api import android.content.Context import android.graphics.* import android.graphics.drawable.BitmapDrawable import android.graphics.drawable.Drawable import android.graphics.drawable.LayerDrawable import androidx.appcompat.content.res.AppCompatResources import androidx.core.graphics.ColorUtils.HSLToColor import androidx.core.graphics.drawable.toBitmap import ml.adamsprogs.bimba.R import ml.adamsprogs.bimba.dpToPixel import ml.adamsprogs.bimba.dpToPixelI import xyz.apiote.fruchtfleisch.Reader import java.io.InputStream import java.util.zip.Adler32 import kotlin.math.abs import kotlin.math.pow data class Position( val latitude: Double, val longitude: Double ) { fun isZero(): Boolean { return latitude == 0.0 && longitude == 0.0 } override fun toString(): String = "$latitude,$longitude" companion object { fun unmarshal(stream: InputStream): Position { val reader = Reader(stream) return Position( reader.readFloat64(), reader.readFloat64() ) } } } data class DateTime( val year: Int, val month: Int, val day: Int, val hour: Int, val minute: Int, val second: Int, val offsetSign: Int, val offsetH: Int, val offsetM: Int ) { companion object { fun of(s: String): DateTime { val (oH, oM) = if (s[19] == 'Z') { arrayOf(0, 0) } else { arrayOf(Integer.parseInt(s.substring(20, 22)), Integer.parseInt(s.substring(23, 25))) } val oS = when (s[19]) { 'Z' -> 0 '+' -> 1 '-' -> -1 else -> TODO("Throw invalid") } return DateTime( Integer.parseInt(s.substring(0, 4)), Integer.parseInt(s.substring(5, 7)), Integer.parseInt(s.substring(8, 10)), Integer.parseInt(s.substring(11, 13)), Integer.parseInt(s.substring(14, 16)), Integer.parseInt(s.substring(17, 19)), oS, oH, oM ) } } } data class FeedInfo( val name: String, val id: String, val attribution: String, val description: String, val lastUpdate: DateTime ) { companion object { fun unmarshal(stream: InputStream): FeedInfo { val reader = Reader(stream) return FeedInfo( reader.readString(), reader.readString(), reader.readString(), reader.readString(), DateTime.of(reader.readString()) ) } } } data class Alert( val header: String, val Description: String, val Url: String, val Cause: UInt, val Effect: UInt ) { companion object { fun unmarshal(stream: InputStream): Alert { val reader = Reader(stream) val header = reader.readString() val description = reader.readString() val url = reader.readString() val cause = reader.readU32() val effect = reader.readU32() return Alert(header, description, url, cause, effect) } } } data class Time( val Hour: UInt, val Minute: UInt, val Second: UInt, val DayOffset: Byte, val Zone: String ) { companion object { fun unmarshal(stream: InputStream): Time { val reader = Reader(stream) return Time( reader.readUInt().toUInt(), reader.readUInt().toUInt(), reader.readUInt().toUInt(), reader.readI8(), reader.readString() ) } } } data class Colour(val R: UByte, val G: UByte, val B: UByte) { companion object { fun unmarshal(stream: InputStream): Colour { val reader = Reader(stream) return Colour( reader.readU8(), reader.readU8(), reader.readU8() ) } } fun toInt(): Int { var rgb = 0xff rgb = (rgb shl 8) + R.toInt() rgb = (rgb shl 8) + G.toInt() rgb = (rgb shl 8) + B.toInt() return rgb } } data class Vehicle( val ID: String, val Position: Position, val Capabilities: UShort, val Speed: Float, val Line: LineStub, val Headsign: String, val CongestionLevel: UByte, val OccupancyStatus: UByte ) : Locatable { enum class Capability(val bit: UShort) { RAMP(0b0001u), LOW_FLOOR(0b0010u), LOW_ENTRY(0b0001_0000_0000u), AC(0b0100u), BIKE(0b1000u), VOICE(0b0001_0000u), TICKET_MACHINE(0b0010_0000u), TICKET_DRIVER(0b0100_0000u), USB_CHARGING(0b1000_0000u) } override fun id(): String = ID override fun icon(context: Context, scale: Float): Drawable { return BitmapDrawable(context.resources, Line.icon(context, scale)) } override fun location(): Position = Position companion object { fun unmarshal(stream: InputStream): Vehicle { val reader = Reader(stream) return Vehicle( reader.readString(), Position.unmarshal(stream), reader.readU16(), reader.readFloat32(), LineStub.unmarshal(stream), reader.readString(), reader.readU8(), reader.readU8() ) } } fun getCapability(field: Capability): Boolean { return Capabilities.and(field.bit) != (0).toUShort() } } data class LineStub( val colour: Colour, val type: LineType, val name: String ) : LineAbstract { companion object { fun unmarshal(stream: InputStream): LineStub { val reader = Reader(stream) val colour = Colour.unmarshal(stream) val type = reader.readUInt() val name = reader.readString() return LineStub(name = name, colour = colour, type = LineType(type.toUInt())) } } fun icon(context: Context, scale: Float = 1f): Bitmap { return super.icon(context, type, colour, scale) } } data class Departure( val ID: String, val line: LineStub, val headsign: String, val time: Time, val status: UByte, val isRealtime: Boolean, val stopOrder: String, val vehicle: Vehicle, val boarding: UByte ) { companion object { fun unmarshal(stream: InputStream): Departure { val reader = Reader(stream) val id = reader.readString() val line = LineStub.unmarshal(stream) val headsign = reader.readString() val time = Time.unmarshal(stream) val status = reader.readU8() val isRealtime = reader.readBoolean() val stopOrder = reader.readString() val vehicle = Vehicle.unmarshal(stream) val boarding = reader.readU8() return Departure(id, line, headsign, time, status, isRealtime, stopOrder, vehicle, boarding) } } } interface Item interface Locatable { fun icon(context: Context, scale: Float = 1f): Drawable fun location(): Position fun id(): String } data class Stop( val code: String, val zone: String, val position: Position, val changeOptions: List<ChangeOption>, val name: String ) : Item, Locatable { override fun icon(context: Context, scale: Float): Drawable { val saturationArray = arrayOf(0.5f, 0.65f, 0.8f) val sal = saturationArray.size val lightnessArray = arrayOf(.5f) val lal = lightnessArray.size val md = Adler32().let { it.update(name.toByteArray()) it.value } val h = md % 359f val s = saturationArray[(md / 360 % sal).toInt()] val l = lightnessArray[(md / 360 / sal % lal).toInt()] val fg = AppCompatResources.getDrawable(context, R.drawable.stop) val bg = AppCompatResources.getDrawable(context, R.drawable.stop_bg)!!.mutate() .apply { setTint(HSLToColor(arrayOf(h, s, l).toFloatArray())) } return BitmapDrawable( context.resources, LayerDrawable(arrayOf(bg, fg)).mutate() .toBitmap(dpToPixelI(24f / scale), dpToPixelI(24f / scale), Bitmap.Config.ARGB_8888) ) } override fun id(): String = code override fun location(): Position = position override fun toString(): String { var result = "$name ($code) [$zone] $position\n" for (chOpt in changeOptions) result += "${chOpt.line} → ${chOpt.headsign}\n" return result } fun changeOptions(): String { return changeOptions.groupBy { it.line } .map { Pair(it.key, it.value.joinToString { co -> co.headsign }) } .joinToString { "${it.first} » ${it.second}" } } companion object { fun unmarshal(stream: InputStream): Stop { val reader = Reader(stream) val code = reader.readString() val zone = reader.readString() val position = Position.unmarshal(stream) val chOptionsNum = reader.readUInt() val changeOptions = mutableListOf<ChangeOption>() for (i in 0UL until chOptionsNum) { changeOptions.add(ChangeOption.unmarshal(stream)) } val name = reader.readString() return Stop( name = name, code = code, zone = zone, position = position, changeOptions = changeOptions ) } } } interface LineAbstract { fun textColour(c: Colour): Int { val black = relativeLuminance(Colour(0u, 0u, 0u)) + .05 val white = relativeLuminance(Colour(255u, 255u, 255u)) + .05 val colour = relativeLuminance(c) + .05 return if ((white / colour) > (colour / black)) { Color.WHITE } else { Color.BLACK } } private fun relativeLuminance(colour: Colour): Double { val r = fromSRGB(colour.R.toDouble() / 0xff) val g = fromSRGB(colour.G.toDouble() / 0xff) val b = fromSRGB(colour.B.toDouble() / 0xff) return 0.2126 * r + 0.7152 * g + 0.0722 * b } private fun fromSRGB(part: Double): Double { return if (part <= 0.03928) { part / 12.92 } else { ((part + 0.055) / 1.055).pow(2.4) } } fun icon(context: Context, type: LineType, colour: Colour, scale: Float): Bitmap { val drawingBitmap = Bitmap.createBitmap( dpToPixelI(24f / scale), dpToPixelI(24f / scale), Bitmap.Config.ARGB_8888 ) val canvas = Canvas(drawingBitmap) canvas.drawPath( getSquirclePath( dpToPixel(.8f / scale), dpToPixel(.8f / scale), dpToPixelI(11.2f / scale) ), Paint().apply { color = textColour(colour) }) canvas.drawPath( getSquirclePath( dpToPixel(1.6f / scale), dpToPixel(1.6f / scale), dpToPixelI(10.4f / scale) ), Paint().apply { color = colour.toInt() }) val iconID = when (type) { LineType.BUS -> R.drawable.bus_black LineType.TRAM -> R.drawable.tram_black LineType.UNKNOWN -> R.drawable.vehicle_black } val icon = AppCompatResources.getDrawable(context, iconID)?.mutate() // todo(code) move context out ?.apply { setTint(textColour(colour)) }?.toBitmap(dpToPixelI(19.2f / scale), dpToPixelI(19.2f / scale), Bitmap.Config.ARGB_8888) canvas.drawBitmap( icon!!, dpToPixel(2.4f / scale), dpToPixel(2.4f / scale), Paint() ) return drawingBitmap } private fun getSquirclePath( left: Float, top: Float, radius: Int ): Path { val radiusToPow = (radius * radius * radius).toDouble() val path = Path() path.moveTo(-radius.toFloat(), 0f) for (x in -radius..radius) path.lineTo( x.toFloat(), Math.cbrt(radiusToPow - abs(x * x * x)).toFloat() ) for (x in radius downTo -radius) path.lineTo( x.toFloat(), -Math.cbrt(radiusToPow - abs(x * x * x)).toFloat() ) path.close() val matrix = Matrix() matrix.postTranslate((left + radius), (top + radius)) path.transform(matrix) return path } } data class Line( val colour: Colour, val type: LineType, val headsignsThere: List<String>, val headsignsBack: List<String>, val graphThere: LineGraph, val graphBack: LineGraph, val name: String ) : Item, LineAbstract { override fun toString(): String { return "$name ($type) [${textColour()}/$colour]\n→ [${headsignsThere.joinToString()}]\n→ [${headsignsBack.joinToString()}]\n" } fun icon(context: Context, scale: Float = 1f): Bitmap { return super.icon(context, type, colour, scale) } fun textColour(): Int { return super.textColour(colour) } companion object { fun unmarshal(stream: InputStream): Line { val reader = Reader(stream) val colour = Colour.unmarshal(stream) val type = reader.readUInt() val headsignsThereNum = reader.readUInt() val headsignsThere = mutableListOf<String>() for (i in 0UL until headsignsThereNum) { headsignsThere.add(reader.readString()) } val headsignsBackNum = reader.readUInt() val headsignsBack = mutableListOf<String>() for (i in 0UL until headsignsBackNum) { headsignsBack.add(reader.readString()) } val graphThere = LineGraph.unmarshal(stream) val graphBack = LineGraph.unmarshal(stream) val name = reader.readString() return Line( name = name, colour = colour, type = LineType(type.toUInt()), headsignsThere = headsignsThere, headsignsBack = headsignsBack, graphThere = graphThere, graphBack = graphBack ) } } } enum class LineType { TRAM, BUS, UNKNOWN } fun LineType(type: UInt): LineType { return when (type) { 0U -> LineType.valueOf("TRAM") 3U -> LineType.valueOf("BUS") else -> LineType.valueOf("UNKNOWN") } } data class ChangeOption(val line: String, val headsign: String) { companion object { fun unmarshal(stream: InputStream): ChangeOption { val reader = Reader(stream) return ChangeOption(line = reader.readString(), headsign = reader.readString()) } } } data class LineGraph( val stops: List<StopStub>, val nextNodes: Map<Long, List<Long>>, val prevNodes: Map<Long, List<Long>> ) { companion object { fun unmarshal(stream: InputStream): LineGraph { val reader = Reader(stream) val stopsNum = reader.readUInt() val stops = mutableListOf<StopStub>() for (i in 0UL until stopsNum) { stops.add(StopStub.unmarshal(stream)) } val nextNodesNum = reader.readUInt() val nextNodes = mutableMapOf<Long, List<Long>>() for (i in 0UL until nextNodesNum) { val from = reader.readInt() val toNum = reader.readUInt() val to = mutableListOf<Long>() for (j in 0UL until toNum) { to.add(reader.readInt()) } nextNodes[from] = to } val prevNodesNum = reader.readUInt() val prevNodes = mutableMapOf<Long, List<Long>>() for (i in 0UL until prevNodesNum) { val from = reader.readInt() val toNum = reader.readUInt() val to = mutableListOf<Long>() for (j in 0UL until toNum) { to.add(reader.readInt()) } prevNodes[from] = to } return LineGraph(stops = stops, nextNodes = nextNodes, prevNodes = prevNodes) } } } data class StopStub(val name: String, val code: String, val zone: String, val onDemand: Boolean) { companion object { fun unmarshal(stream: InputStream): StopStub { val reader = Reader(stream) return StopStub( code = reader.readString(), name = reader.readString(), zone = reader.readString(), onDemand = reader.readBoolean() ) } } } |