Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 60876x 60876x 60876x 60876x 60872x 60876x 20346x 20346x 20346x 60876x 5039x 60876x 60876x 60876x 60876x 5006x 5006x 60876x 1912x 60876x 1898x 1898x 1898x 1898x 1898x 60876x 4x 4x 4x 4x 4x 4x 4x 4x 1894x 1894x 60876x 1809x 1809x 1809x 1809x 1807x 1807x 1807x 1809x 87x 87x 60876x 79x 60876x 79x 79x 1x 2x 2x 2x 2x 1x 1x 1x 14951x 14951x 14951x 14950x 14950x 14951x 14951x 14951x 14951x 14951x 14951x 14950x 14950x 1x 1x 1x 8x 8x 8x 8x 8x 8x 8x 8x 8x 1x 1x 14919x 14919x 14919x 1x 1x 1x 1x 1x 1x 1x 14960x 14960x 14960x 14960x 14960x 4x 14960x 3x 3x 14960x 1x 1x 1x 2x 2x 14960x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x 1810x | /*----------------------------------------------------------------------+
| Color parsing and manipulation. |
| Matches the behavior of Java's Geometry.parseColor() exactly: |
| 1. null / "none" / "0" / numeric 0 → null (transparent) |
| 2. "random" → random pastel |
| 3. "background" → bgcolor |
| 4. "brighter" → brighter(bgcolor) |
| 5. "darker" → darker(bgcolor) |
| 6. Named color (CSS set, case-insensitive; 5 Java exceptions) |
| 7. Hex integer "rrggbb" → rgb string |
| 8. HSB comma triple "h,s,b" → rgb string |
| 9. Fallback → null |
+----------------------------------------------------------------------*/
// The original 13 Java AWT named colors, with their exact (camelCase)
// spellings. Kept as the back-compat fast path: existing fixtures/decks use
// these exact names, so every current render resolves here, byte-identically.
// Five of these DELIBERATELY differ from W3C/CSS and keep the Java values —
// green, orange, pink, darkGray, lightGray (#125). cssColors below also pins
// those five (under their lowercase keys) so case-insensitive lookups agree.
export const colors : {[colorName: string]: string} =
{
"black": "rgb(0,0,0)",
"blue": "rgb(0,0,255)",
"cyan": "rgb(0,255,255)",
"darkGray": "rgb(64,64,64)",
"gray": "rgb(128,128,128)",
"green": "rgb(0,255,0)",
"lightGray": "rgb(192,192,192)",
"magenta": "rgb(255,0,255)",
"orange": "rgb(255,200,0)",
"pink": "rgb(255,175,175)",
"red": "rgb(255,0,0)",
"white": "rgb(255,255,255)",
"yellow": "rgb(255,255,0)"
};
// The full W3C/CSS named-color set (CSS Color Module Level 4), lowercase keys,
// looked up case-insensitively (#125). Static literal — NO runtime dependency.
// FIVE entries deviate from the CSS value to preserve geomlib/Java AWT history
// (marked GEOMLIB below); `grey`-spelling aliases are included. New names take
// their standard CSS rgb. Authors can now write crimson/teal/gold/navy/etc.
// instead of falling through to silent-null.
export const cssColors : {[colorName: string]: string} =
{
"aliceblue": "rgb(240,248,255)", "antiquewhite": "rgb(250,235,215)",
"aqua": "rgb(0,255,255)", "aquamarine": "rgb(127,255,212)",
"azure": "rgb(240,255,255)", "beige": "rgb(245,245,220)",
"bisque": "rgb(255,228,196)", "black": "rgb(0,0,0)",
"blanchedalmond": "rgb(255,235,205)", "blue": "rgb(0,0,255)",
"blueviolet": "rgb(138,43,226)", "brown": "rgb(165,42,42)",
"burlywood": "rgb(222,184,135)", "cadetblue": "rgb(95,158,160)",
"chartreuse": "rgb(127,255,0)", "chocolate": "rgb(210,105,30)",
"coral": "rgb(255,127,80)", "cornflowerblue": "rgb(100,149,237)",
"cornsilk": "rgb(255,248,220)", "crimson": "rgb(220,20,60)",
"cyan": "rgb(0,255,255)", "darkblue": "rgb(0,0,139)",
"darkcyan": "rgb(0,139,139)", "darkgoldenrod": "rgb(184,134,11)",
"darkgray": "rgb(64,64,64)", "darkgrey": "rgb(64,64,64)", // GEOMLIB (CSS: 169,169,169)
"darkgreen": "rgb(0,100,0)", "darkkhaki": "rgb(189,183,107)",
"darkmagenta": "rgb(139,0,139)", "darkolivegreen": "rgb(85,107,47)",
"darkorange": "rgb(255,140,0)", "darkorchid": "rgb(153,50,204)",
"darkred": "rgb(139,0,0)", "darksalmon": "rgb(233,150,122)",
"darkseagreen": "rgb(143,188,143)", "darkslateblue": "rgb(72,61,139)",
"darkslategray": "rgb(47,79,79)", "darkslategrey": "rgb(47,79,79)",
"darkturquoise": "rgb(0,206,209)", "darkviolet": "rgb(148,0,211)",
"deeppink": "rgb(255,20,147)", "deepskyblue": "rgb(0,191,255)",
"dimgray": "rgb(105,105,105)", "dimgrey": "rgb(105,105,105)",
"dodgerblue": "rgb(30,144,255)", "firebrick": "rgb(178,34,34)",
"floralwhite": "rgb(255,250,240)", "forestgreen": "rgb(34,139,34)",
"fuchsia": "rgb(255,0,255)", "gainsboro": "rgb(220,220,220)",
"ghostwhite": "rgb(248,248,255)", "gold": "rgb(255,215,0)",
"goldenrod": "rgb(218,165,32)", "gray": "rgb(128,128,128)",
"grey": "rgb(128,128,128)", "green": "rgb(0,255,0)", // GEOMLIB (CSS: 0,128,0)
"greenyellow": "rgb(173,255,47)", "honeydew": "rgb(240,255,240)",
"hotpink": "rgb(255,105,180)", "indianred": "rgb(205,92,92)",
"indigo": "rgb(75,0,130)", "ivory": "rgb(255,255,240)",
"khaki": "rgb(240,230,140)", "lavender": "rgb(230,230,250)",
"lavenderblush": "rgb(255,240,245)", "lawngreen": "rgb(124,252,0)",
"lemonchiffon": "rgb(255,250,205)", "lightblue": "rgb(173,216,230)",
"lightcoral": "rgb(240,128,128)", "lightcyan": "rgb(224,255,255)",
"lightgoldenrodyellow": "rgb(250,250,210)",
"lightgray": "rgb(192,192,192)", "lightgrey": "rgb(192,192,192)", // GEOMLIB (CSS: 211,211,211)
"lightgreen": "rgb(144,238,144)", "lightpink": "rgb(255,182,193)",
"lightsalmon": "rgb(255,160,122)", "lightseagreen": "rgb(32,178,170)",
"lightskyblue": "rgb(135,206,250)", "lightslategray": "rgb(119,136,153)",
"lightslategrey": "rgb(119,136,153)", "lightsteelblue": "rgb(176,196,222)",
"lightyellow": "rgb(255,255,224)", "lime": "rgb(0,255,0)",
"limegreen": "rgb(50,205,50)", "linen": "rgb(250,240,230)",
"magenta": "rgb(255,0,255)", "maroon": "rgb(128,0,0)",
"mediumaquamarine": "rgb(102,205,170)", "mediumblue": "rgb(0,0,205)",
"mediumorchid": "rgb(186,85,211)", "mediumpurple": "rgb(147,112,219)",
"mediumseagreen": "rgb(60,179,113)", "mediumslateblue": "rgb(123,104,238)",
"mediumspringgreen": "rgb(0,250,154)", "mediumturquoise": "rgb(72,209,204)",
"mediumvioletred": "rgb(199,21,133)", "midnightblue": "rgb(25,25,112)",
"mintcream": "rgb(245,255,250)", "mistyrose": "rgb(255,228,225)",
"moccasin": "rgb(255,228,181)", "navajowhite": "rgb(255,222,173)",
"navy": "rgb(0,0,128)", "oldlace": "rgb(253,245,230)",
"olive": "rgb(128,128,0)", "olivedrab": "rgb(107,142,35)",
"orange": "rgb(255,200,0)", // GEOMLIB (CSS: 255,165,0)
"orangered": "rgb(255,69,0)", "orchid": "rgb(218,112,214)",
"palegoldenrod": "rgb(238,232,170)", "palegreen": "rgb(152,251,152)",
"paleturquoise": "rgb(175,238,238)", "palevioletred": "rgb(219,112,147)",
"papayawhip": "rgb(255,239,213)", "peachpuff": "rgb(255,218,185)",
"peru": "rgb(205,133,63)", "pink": "rgb(255,175,175)", // GEOMLIB (CSS: 255,192,203)
"plum": "rgb(221,160,221)", "powderblue": "rgb(176,224,230)",
"purple": "rgb(128,0,128)", "rebeccapurple": "rgb(102,51,153)",
"red": "rgb(255,0,0)", "rosybrown": "rgb(188,143,143)",
"royalblue": "rgb(65,105,225)", "saddlebrown": "rgb(139,69,19)",
"salmon": "rgb(250,128,114)", "sandybrown": "rgb(244,164,96)",
"seagreen": "rgb(46,139,87)", "seashell": "rgb(255,245,238)",
"sienna": "rgb(160,82,45)", "silver": "rgb(192,192,192)",
"skyblue": "rgb(135,206,235)", "slateblue": "rgb(106,90,205)",
"slategray": "rgb(112,128,144)", "slategrey": "rgb(112,128,144)",
"snow": "rgb(255,250,250)", "springgreen": "rgb(0,255,127)",
"steelblue": "rgb(70,130,180)", "tan": "rgb(210,180,140)",
"teal": "rgb(0,128,128)", "thistle": "rgb(216,191,216)",
"tomato": "rgb(255,99,71)", "turquoise": "rgb(64,224,208)",
"violet": "rgb(238,130,238)", "wheat": "rgb(245,222,179)",
"white": "rgb(255,255,255)", "whitesmoke": "rgb(245,245,245)",
"yellow": "rgb(255,255,0)", "yellowgreen": "rgb(154,205,50)"
};
// Default color cycle for angle markers (#91). Each entry pairs a
// solid edge color with a translucent face twin so concurrent markers
// read as distinct, readable wedges. Hues are spread and deliberately
// avoid gold (#FFD700, the highlight color) so an emphasized marker
// still contrasts against its own fill. init() assigns these in
// construction order; authors can override per element.
export const anglePalette : {edge: string, face: string}[] =
[
{ edge: "rgb(59,110,165)", face: "rgba(59,110,165,0.30)" }, // blue
{ edge: "rgb(63,142,79)", face: "rgba(63,142,79,0.30)" }, // green
{ edge: "rgb(122,79,163)", face: "rgba(122,79,163,0.30)" }, // purple
{ edge: "rgb(194,90,60)", face: "rgba(194,90,60,0.30)" }, // orange-red
{ edge: "rgb(46,139,139)", face: "rgba(46,139,139,0.30)" }, // teal
{ edge: "rgb(163,60,122)", face: "rgba(163,60,122,0.30)" } // magenta
];
// A CSS functional colour the canvas takes as-is: rgb(), rgba(), hsl(),
// hsla(). Strict enough that garbage can't ride through on the prefix.
const CSS_FUNCTIONAL = /^(rgba?|hsla?)\(\s*[\d.]+%?\s*,\s*[\d.]+%?\s*,\s*[\d.]+%?\s*(,\s*[\d.]+%?\s*)?\)$/i;
/**
* Resolve an authored colour to something the canvas accepts, or null for
* transparent. `onUnknown` (#179) is called with the raw string when nothing
* recognises it — the result is still null, but a caller with a slate can
* report it instead of letting a typo paint nothing in silence.
*/
export function parseColor(val: string | number, dfault: string, bgcolor: string,
onUnknown?: (raw: string) => void) : string {
// Handle numeric 0 (from IConstructionInfo where vertexColor: 0)
if (val === 0) return null;
// Handle null/undefined → use default
if (val == null) return dfault;
let str = String(val);
// Transparent keywords
if (str === "none" || str === "0" || str === "") return null;
// Special keywords
if (str === "random") return randomColor();
if (str === "background") return bgcolor;
if (str === "brighter") return brighter(bgcolor);
if (str === "darker") return darker(bgcolor);
// Named color lookup — exact (the 13 back-compat camelCase spellings)
// first, then the full CSS set case-insensitively (#125).
if (str in colors) return colors[str];
let lower = str.toLowerCase();
if (lower in cssColors) return cssColors[lower];
// Hex color (e.g. "ff0000" or "#ffe9cd" → rgb(...))
// Java does: new Color(Integer.parseInt(str, 16))
// Also handle CSS #-prefixed hex which Java doesn't use but our
// test pages do (e.g. background: '#ffe9cd')
let hex = str.replace(/^#/, "");
if (/^[0-9a-fA-F]+$/.test(hex)) {
let n = parseInt(hex, 16);
if (!isNaN(n)) {
let r = (n >> 16) & 0xFF;
let g = (n >> 8) & 0xFF;
let b = n & 0xFF;
return `rgb(${r},${g},${b})`;
}
}
// HSB comma triple (e.g. "35,19,100" → h=35/360, s=19/100, b=100/100)
let parts = str.split(",");
if (parts.length === 3) {
let h = parseInt(parts[0]) / 360.0;
let s = parseInt(parts[1]) / 100.0;
let b = parseInt(parts[2]) / 100.0;
if (!isNaN(h) && !isNaN(s) && !isNaN(b)) {
let c = HSVtoRGB(h, s, b);
return `rgb(${c.r},${c.g},${c.b})`;
}
}
// CSS functional colours pass straight through — the canvas accepts
// them natively, and rgba() is the one form that carries alpha. (#179)
if (CSS_FUNCTIONAL.test(str)) return str;
// Fallback — unrecognized. Transparent, as before; but say so.
if (onUnknown) onUnknown(str);
return null;
}
export function randomColor() : string {
let c = HSVtoRGB(Math.random(), Math.random(), 1.0);
return `rgb(${c.r},${c.g},${c.b})`;
}
// Java Color.brighter() — factor 0.7
// Each component: if 0 → 3; elif < 3 → 3; else min(component/0.7, 255)
export function brighter(col: string) : string {
let rgb = parseRGB(col);
if (rgb == null) return col;
let FACTOR = 0.7;
let threshold = Math.ceil(1.0 / (1.0 - FACTOR)); // = 4
let r = rgb.r === 0 ? threshold : Math.min(Math.floor(rgb.r / FACTOR), 255);
let g = rgb.g === 0 ? threshold : Math.min(Math.floor(rgb.g / FACTOR), 255);
let b = rgb.b === 0 ? threshold : Math.min(Math.floor(rgb.b / FACTOR), 255);
if (r < threshold) r = threshold;
if (g < threshold) g = threshold;
if (b < threshold) b = threshold;
return `rgb(${r},${g},${b})`;
}
// Java Color.darker() — factor 0.7
// Each component: floor(component * 0.7)
export function darker(col: string) : string {
let rgb = parseRGB(col);
if (rgb == null) return col;
let FACTOR = 0.7;
let r = Math.floor(rgb.r * FACTOR);
let g = Math.floor(rgb.g * FACTOR);
let b = Math.floor(rgb.b * FACTOR);
return `rgb(${r},${g},${b})`;
}
// Keep old names as aliases for backward compatibility with index.ts
export function lighten(col: string) : string {
return brighter(col);
}
export function darken(col: string) : string {
return darker(col);
}
// Parse an rgb(...) string or hex color into {r, g, b} components.
// Handles: "rgb(r,g,b)", "#rrggbb", "rrggbb", named colors, HSB triples
function parseRGB(col: string) : {r: number, g: number, b: number} | null {
if (col == null) return null;
// rgb(r,g,b) format
let m = col.match(/^rgb\((\d+),(\d+),(\d+)\)$/);
if (m) return {r: parseInt(m[1]), g: parseInt(m[2]), b: parseInt(m[3])};
// Named color → resolve to rgb then re-parse
if (col in colors) return parseRGB(colors[col]);
// #rrggbb or rrggbb hex
let hex = col.replace(/^#/, "");
if (/^[0-9a-fA-F]{6}$/.test(hex)) {
let n = parseInt(hex, 16);
return {r: (n >> 16) & 0xFF, g: (n >> 8) & 0xFF, b: n & 0xFF};
}
// HSB comma triple — parse it to get RGB
let parts = col.split(",");
if (parts.length === 3) {
let h = parseInt(parts[0]) / 360.0;
let s = parseInt(parts[1]) / 100.0;
let b = parseInt(parts[2]) / 100.0;
if (!isNaN(h) && !isNaN(s) && !isNaN(b)) {
return HSVtoRGB(h, s, b);
}
}
return null;
}
// see https://stackoverflow.com/questions/17242144/javascript-convert-hsb-hsv-color-to-rgb-accurately
function HSVtoRGB(h: number, s: number, v: number) : {r: number, g: number, b: number} {
let r: number, g: number, b: number;
let i = Math.floor(h * 6);
let f = h * 6 - i;
let p = v * (1 - s);
let q = v * (1 - f * s);
let t = v * (1 - (1 - f) * s);
switch (i % 6) {
case 0: r = v; g = t; b = p; break;
case 1: r = q; g = v; b = p; break;
case 2: r = p; g = v; b = t; break;
case 3: r = p; g = q; b = v; break;
case 4: r = t; g = p; b = v; break;
case 5: r = v; g = p; b = q; break;
}
return {
r: Math.round(r * 255),
g: Math.round(g * 255),
b: Math.round(b * 255)
};
}
|