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| 1 /* libs/graphics/xml/SkParseColor.cpp | |
| 2 ** | |
| 3 ** Copyright 2006, The Android Open Source Project | |
| 4 ** | |
| 5 ** Licensed under the Apache License, Version 2.0 (the "License"); | |
| 6 ** you may not use this file except in compliance with the License. | |
| 7 ** You may obtain a copy of the License at | |
| 8 ** | |
| 9 ** http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 ** | |
| 11 ** Unless required by applicable law or agreed to in writing, software | |
| 12 ** distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 ** See the License for the specific language governing permissions and | |
| 15 ** limitations under the License. | |
| 16 */ | |
| 17 | |
| 18 #include "SkParse.h" | |
| 19 | |
| 20 #ifdef SK_DEBUG | |
| 21 #include "SkString.h" | |
| 22 | |
| 23 // compress names 6 chars per long (packed 5 bits/char ) | |
| 24 // note: little advantage to splitting chars across longs, since 3 longs
at 2 unused bits each | |
| 25 // allow for one additional split char (vs. the 18 unsplit chars in the
three longs) | |
| 26 // use extra two bits to represent: | |
| 27 // 00 : final 6 (or fewer) chars (if 'a' is 0x01, zero could have specia
l meaning) | |
| 28 // 01 : not final 6 chars | |
| 29 // 10 : color | |
| 30 // 11 : unused, except as debugging sentinal? (could be -1 for easier te
st) | |
| 31 // !!! the bit to end the word (last) is at the low bit for binary search | |
| 32 // lookup first character in offset for quick start | |
| 33 // offset is 27-entry table of bytes(?) that trims linear search to at m
ost 21 entries ('d') | |
| 34 // shift match into long; set bit 30 if it all doesn't fit | |
| 35 // while longs don't match, march forward | |
| 36 // if they do match, and bit 30 is set, advance match, clearing bit 30 i
f | |
| 37 // final chars, and advance to next test | |
| 38 // if they do match, and bit 30 is clear, get next long (color) and retu
rn it | |
| 39 // stop at lookup of first char + 1 | |
| 40 static const struct SkNameRGB { | |
| 41 const char* name; | |
| 42 int rgb; | |
| 43 } colorNames[] = { | |
| 44 { "aliceblue", 0xF0F8FF }, | |
| 45 { "antiquewhite", 0xFAEBD7 }, | |
| 46 { "aqua", 0x00FFFF }, | |
| 47 { "aquamarine", 0x7FFFD4 }, | |
| 48 { "azure", 0xF0FFFF }, | |
| 49 { "beige", 0xF5F5DC }, | |
| 50 { "bisque", 0xFFE4C4 }, | |
| 51 { "black", 0x000000 }, | |
| 52 { "blanchedalmond", 0xFFEBCD }, | |
| 53 { "blue", 0x0000FF }, | |
| 54 { "blueviolet", 0x8A2BE2 }, | |
| 55 { "brown", 0xA52A2A }, | |
| 56 { "burlywood", 0xDEB887 }, | |
| 57 { "cadetblue", 0x5F9EA0 }, | |
| 58 { "chartreuse", 0x7FFF00 }, | |
| 59 { "chocolate", 0xD2691E }, | |
| 60 { "coral", 0xFF7F50 }, | |
| 61 { "cornflowerblue", 0x6495ED }, | |
| 62 { "cornsilk", 0xFFF8DC }, | |
| 63 { "crimson", 0xDC143C }, | |
| 64 { "cyan", 0x00FFFF }, | |
| 65 { "darkblue", 0x00008B }, | |
| 66 { "darkcyan", 0x008B8B }, | |
| 67 { "darkgoldenrod", 0xB8860B }, | |
| 68 { "darkgray", 0xA9A9A9 }, | |
| 69 { "darkgreen", 0x006400 }, | |
| 70 { "darkkhaki", 0xBDB76B }, | |
| 71 { "darkmagenta", 0x8B008B }, | |
| 72 { "darkolivegreen", 0x556B2F }, | |
| 73 { "darkorange", 0xFF8C00 }, | |
| 74 { "darkorchid", 0x9932CC }, | |
| 75 { "darkred", 0x8B0000 }, | |
| 76 { "darksalmon", 0xE9967A }, | |
| 77 { "darkseagreen", 0x8FBC8F }, | |
| 78 { "darkslateblue", 0x483D8B }, | |
| 79 { "darkslategray", 0x2F4F4F }, | |
| 80 { "darkturquoise", 0x00CED1 }, | |
| 81 { "darkviolet", 0x9400D3 }, | |
| 82 { "deeppink", 0xFF1493 }, | |
| 83 { "deepskyblue", 0x00BFFF }, | |
| 84 { "dimgray", 0x696969 }, | |
| 85 { "dodgerblue", 0x1E90FF }, | |
| 86 { "firebrick", 0xB22222 }, | |
| 87 { "floralwhite", 0xFFFAF0 }, | |
| 88 { "forestgreen", 0x228B22 }, | |
| 89 { "fuchsia", 0xFF00FF }, | |
| 90 { "gainsboro", 0xDCDCDC }, | |
| 91 { "ghostwhite", 0xF8F8FF }, | |
| 92 { "gold", 0xFFD700 }, | |
| 93 { "goldenrod", 0xDAA520 }, | |
| 94 { "gray", 0x808080 }, | |
| 95 { "green", 0x008000 }, | |
| 96 { "greenyellow", 0xADFF2F }, | |
| 97 { "honeydew", 0xF0FFF0 }, | |
| 98 { "hotpink", 0xFF69B4 }, | |
| 99 { "indianred", 0xCD5C5C }, | |
| 100 { "indigo", 0x4B0082 }, | |
| 101 { "ivory", 0xFFFFF0 }, | |
| 102 { "khaki", 0xF0E68C }, | |
| 103 { "lavender", 0xE6E6FA }, | |
| 104 { "lavenderblush", 0xFFF0F5 }, | |
| 105 { "lawngreen", 0x7CFC00 }, | |
| 106 { "lemonchiffon", 0xFFFACD }, | |
| 107 { "lightblue", 0xADD8E6 }, | |
| 108 { "lightcoral", 0xF08080 }, | |
| 109 { "lightcyan", 0xE0FFFF }, | |
| 110 { "lightgoldenrodyellow", 0xFAFAD2 }, | |
| 111 { "lightgreen", 0x90EE90 }, | |
| 112 { "lightgrey", 0xD3D3D3 }, | |
| 113 { "lightpink", 0xFFB6C1 }, | |
| 114 { "lightsalmon", 0xFFA07A }, | |
| 115 { "lightseagreen", 0x20B2AA }, | |
| 116 { "lightskyblue", 0x87CEFA }, | |
| 117 { "lightslategray", 0x778899 }, | |
| 118 { "lightsteelblue", 0xB0C4DE }, | |
| 119 { "lightyellow", 0xFFFFE0 }, | |
| 120 { "lime", 0x00FF00 }, | |
| 121 { "limegreen", 0x32CD32 }, | |
| 122 { "linen", 0xFAF0E6 }, | |
| 123 { "magenta", 0xFF00FF }, | |
| 124 { "maroon", 0x800000 }, | |
| 125 { "mediumaquamarine", 0x66CDAA }, | |
| 126 { "mediumblue", 0x0000CD }, | |
| 127 { "mediumorchid", 0xBA55D3 }, | |
| 128 { "mediumpurple", 0x9370DB }, | |
| 129 { "mediumseagreen", 0x3CB371 }, | |
| 130 { "mediumslateblue", 0x7B68EE }, | |
| 131 { "mediumspringgreen", 0x00FA9A }, | |
| 132 { "mediumturquoise", 0x48D1CC }, | |
| 133 { "mediumvioletred", 0xC71585 }, | |
| 134 { "midnightblue", 0x191970 }, | |
| 135 { "mintcream", 0xF5FFFA }, | |
| 136 { "mistyrose", 0xFFE4E1 }, | |
| 137 { "moccasin", 0xFFE4B5 }, | |
| 138 { "navajowhite", 0xFFDEAD }, | |
| 139 { "navy", 0x000080 }, | |
| 140 { "oldlace", 0xFDF5E6 }, | |
| 141 { "olive", 0x808000 }, | |
| 142 { "olivedrab", 0x6B8E23 }, | |
| 143 { "orange", 0xFFA500 }, | |
| 144 { "orangered", 0xFF4500 }, | |
| 145 { "orchid", 0xDA70D6 }, | |
| 146 { "palegoldenrod", 0xEEE8AA }, | |
| 147 { "palegreen", 0x98FB98 }, | |
| 148 { "paleturquoise", 0xAFEEEE }, | |
| 149 { "palevioletred", 0xDB7093 }, | |
| 150 { "papayawhip", 0xFFEFD5 }, | |
| 151 { "peachpuff", 0xFFDAB9 }, | |
| 152 { "peru", 0xCD853F }, | |
| 153 { "pink", 0xFFC0CB }, | |
| 154 { "plum", 0xDDA0DD }, | |
| 155 { "powderblue", 0xB0E0E6 }, | |
| 156 { "purple", 0x800080 }, | |
| 157 { "red", 0xFF0000 }, | |
| 158 { "rosybrown", 0xBC8F8F }, | |
| 159 { "royalblue", 0x4169E1 }, | |
| 160 { "saddlebrown", 0x8B4513 }, | |
| 161 { "salmon", 0xFA8072 }, | |
| 162 { "sandybrown", 0xF4A460 }, | |
| 163 { "seagreen", 0x2E8B57 }, | |
| 164 { "seashell", 0xFFF5EE }, | |
| 165 { "sienna", 0xA0522D }, | |
| 166 { "silver", 0xC0C0C0 }, | |
| 167 { "skyblue", 0x87CEEB }, | |
| 168 { "slateblue", 0x6A5ACD }, | |
| 169 { "slategray", 0x708090 }, | |
| 170 { "snow", 0xFFFAFA }, | |
| 171 { "springgreen", 0x00FF7F }, | |
| 172 { "steelblue", 0x4682B4 }, | |
| 173 { "tan", 0xD2B48C }, | |
| 174 { "teal", 0x008080 }, | |
| 175 { "thistle", 0xD8BFD8 }, | |
| 176 { "tomato", 0xFF6347 }, | |
| 177 { "turquoise", 0x40E0D0 }, | |
| 178 { "violet", 0xEE82EE }, | |
| 179 { "wheat", 0xF5DEB3 }, | |
| 180 { "white", 0xFFFFFF }, | |
| 181 { "whitesmoke", 0xF5F5F5 }, | |
| 182 { "yellow", 0xFFFF00 }, | |
| 183 { "yellowgreen", 0x9ACD32 } | |
| 184 }; | |
| 185 | |
| 186 int colorNamesSize = sizeof(colorNames) / sizeof(colorNames[0]); | |
| 187 | |
| 188 static void CreateTable() { | |
| 189 SkString comment; | |
| 190 size_t originalSize = 0; | |
| 191 int replacement = 0; | |
| 192 for (int index = 0; index < colorNamesSize; index++) { | |
| 193 SkNameRGB nameRGB = colorNames[index]; | |
| 194 const char* name = nameRGB.name; | |
| 195 size_t len = strlen(name); | |
| 196 originalSize += len + 9; | |
| 197 bool first = true; | |
| 198 bool last = false; | |
| 199 do { | |
| 200 int compressed = 0; | |
| 201 const char* start = name; | |
| 202 for (int chIndex = 0; chIndex < 6; chIndex++) { | |
| 203 compressed <<= 5; | |
| 204 compressed |= *name ? *name++ - 'a' + 1 : 0 ; | |
| 205 } | |
| 206 replacement += sizeof(int); | |
| 207 compressed <<= 1; | |
| 208 compressed |= 1; | |
| 209 if (first) { | |
| 210 compressed |= 0x80000000; | |
| 211 first = false; | |
| 212 } | |
| 213 if (len <= 6) { // last | |
| 214 compressed &= ~1; | |
| 215 last = true; | |
| 216 } | |
| 217 len -= 6; | |
| 218 SkDebugf("0x%08x, ", compressed); | |
| 219 comment.append(start, name - start); | |
| 220 } while (last == false); | |
| 221 replacement += sizeof(int); | |
| 222 SkDebugf("0x%08x, ", nameRGB.rgb); | |
| 223 SkDebugf("// %s\n", comment.c_str()); | |
| 224 comment.reset(); | |
| 225 } | |
| 226 SkDebugf("// original = %d : replacement = %d\n", originalSize, replacement)
; | |
| 227 SkASSERT(0); // always stop after creating table | |
| 228 } | |
| 229 | |
| 230 #endif | |
| 231 | |
| 232 static const unsigned int gColorNames[] = { | |
| 233 0x85891945, 0x32a50000, 0x00f0f8ff, // aliceblue | |
| 234 0x85d44c6b, 0x16e84d0a, 0x00faebd7, // antiquewhite | |
| 235 0x86350800, 0x0000ffff, // aqua | |
| 236 0x86350b43, 0x492e2800, 0x007fffd4, // aquamarine | |
| 237 0x87559140, 0x00f0ffff, // azure | |
| 238 0x88a93940, 0x00f5f5dc, // beige | |
| 239 0x89338d4a, 0x00ffe4c4, // bisque | |
| 240 0x89811ac0, 0x00000000, // black | |
| 241 0x898170d1, 0x1481635f, 0x38800000, 0x00ffebcd, // blanchedalmond | |
| 242 0x89952800, 0x000000ff, // blue | |
| 243 0x89952d93, 0x3d85a000, 0x008a2be2, // blueviolet | |
| 244 0x8a4fbb80, 0x00a52a2a, // brown | |
| 245 0x8ab2666f, 0x3de40000, 0x00deb887, // burlywood | |
| 246 0x8c242d05, 0x32a50000, 0x005f9ea0, // cadetblue | |
| 247 0x8d019525, 0x16b32800, 0x007fff00, // chartreuse | |
| 248 0x8d0f1bd9, 0x06850000, 0x00d2691e, // chocolate | |
| 249 0x8df20b00, 0x00ff7f50, // coral | |
| 250 0x8df27199, 0x3ee59099, 0x54a00000, 0x006495ed, // cornflowerblue | |
| 251 0x8df274d3, 0x31600000, 0x00fff8dc, // cornsilk | |
| 252 0x8e496cdf, 0x38000000, 0x00dc143c, // crimson | |
| 253 0x8f217000, 0x0000ffff, // cyan | |
| 254 0x90325899, 0x54a00000, 0x0000008b, // darkblue | |
| 255 0x903258f3, 0x05c00000, 0x00008b8b, // darkcyan | |
| 256 0x903259df, 0x3085749f, 0x10000000, 0x00b8860b, // darkgoldenrod | |
| 257 0x903259e5, 0x07200000, 0x00a9a9a9, // darkgray | |
| 258 0x903259e5, 0x14ae0000, 0x00006400, // darkgreen | |
| 259 0x90325ad1, 0x05690000, 0x00bdb76b, // darkkhaki | |
| 260 0x90325b43, 0x1caea040, 0x008b008b, // darkmagenta | |
| 261 0x90325bd9, 0x26c53c8b, 0x15c00000, 0x00556b2f, // darkolivegreen | |
| 262 0x90325be5, 0x05c72800, 0x00ff8c00, // darkorange | |
| 263 0x90325be5, 0x0d092000, 0x009932cc, // darkorchid | |
| 264 0x90325c8b, 0x10000000, 0x008b0000, // darkred | |
| 265 0x90325cc3, 0x31af7000, 0x00e9967a, // darksalmon | |
| 266 0x90325ccb, 0x04f2295c, 0x008fbc8f, // darkseagreen | |
| 267 0x90325cd9, 0x0685132b, 0x14000000, 0x00483d8b, // darkslateblue | |
| 268 0x90325cd9, 0x06853c83, 0x64000000, 0x002f4f4f, // darkslategray | |
| 269 0x90325d2b, 0x4a357a67, 0x14000000, 0x0000ced1, // darkturquoise | |
| 270 0x90325d93, 0x3d85a000, 0x009400d3, // darkviolet | |
| 271 0x90a58413, 0x39600000, 0x00ff1493, // deeppink | |
| 272 0x90a584d7, 0x644ca940, 0x0000bfff, // deepskyblue | |
| 273 0x912d3c83, 0x64000000, 0x00696969, // dimgray | |
| 274 0x91e43965, 0x09952800, 0x001e90ff, // dodgerblue | |
| 275 0x993228a5, 0x246b0000, 0x00b22222, // firebrick | |
| 276 0x998f9059, 0x5d09a140, 0x00fffaf0, // floralwhite | |
| 277 0x99f22ce9, 0x1e452b80, 0x00228b22, // forestgreen | |
| 278 0x9aa344d3, 0x04000000, 0x00ff00ff, // fuchsia | |
| 279 0x9c2974c5, 0x3e4f0000, 0x00dcdcdc, // gainsboro | |
| 280 0x9d0f9d2f, 0x21342800, 0x00f8f8ff, // ghostwhite | |
| 281 0x9dec2000, 0x00ffd700, // gold | |
| 282 0x9dec215d, 0x49e40000, 0x00daa520, // goldenrod | |
| 283 0x9e41c800, 0x00808080, // gray | |
| 284 0x9e452b80, 0x00008000, // green | |
| 285 0x9e452bb3, 0x158c7dc0, 0x00adff2f, // greenyellow | |
| 286 0xa1ee2e49, 0x16e00000, 0x00f0fff0, // honeydew | |
| 287 0xa1f4825d, 0x2c000000, 0x00ff69b4, // hotpink | |
| 288 0xa5c4485d, 0x48a40000, 0x00cd5c5c, // indianred | |
| 289 0xa5c449de, 0x004b0082, // indigo | |
| 290 0xa6cf9640, 0x00fffff0, // ivory | |
| 291 0xad015a40, 0x00f0e68c, // khaki | |
| 292 0xb0362b89, 0x16400000, 0x00e6e6fa, // lavender | |
| 293 0xb0362b89, 0x16426567, 0x20000000, 0x00fff0f5, // lavenderblush | |
| 294 0xb03771e5, 0x14ae0000, 0x007cfc00, // lawngreen | |
| 295 0xb0ad7b87, 0x212633dc, 0x00fffacd, // lemonchiffon | |
| 296 0xb1274505, 0x32a50000, 0x00add8e6, // lightblue | |
| 297 0xb1274507, 0x3e416000, 0x00f08080, // lightcoral | |
| 298 0xb1274507, 0x642e0000, 0x00e0ffff, // lightcyan | |
| 299 0xb127450f, 0x3d842ba5, 0x3c992b19, 0x3ee00000, 0x00fafad2, // lightgoldenrodyel
low | |
| 300 0xb127450f, 0x48a57000, 0x0090ee90, // lightgreen | |
| 301 0xb127450f, 0x48b90000, 0x00d3d3d3, // lightgrey | |
| 302 0xb1274521, 0x25cb0000, 0x00ffb6c1, // lightpink | |
| 303 0xb1274527, 0x058d7b80, 0x00ffa07a, // lightsalmon | |
| 304 0xb1274527, 0x1427914b, 0x38000000, 0x0020b2aa, // lightseagreen | |
| 305 0xb1274527, 0x2f22654a, 0x0087cefa, // lightskyblue | |
| 306 0xb1274527, 0x303429e5, 0x07200000, 0x00778899, // lightslategray | |
| 307 0xb1274527, 0x50a56099, 0x54a00000, 0x00b0c4de, // lightsteelblue | |
| 308 0xb1274533, 0x158c7dc0, 0x00ffffe0, // lightyellow | |
| 309 0xb12d2800, 0x0000ff00, // lime | |
| 310 0xb12d29e5, 0x14ae0000, 0x0032cd32, // limegreen | |
| 311 0xb12e2b80, 0x00faf0e6, // linen | |
| 312 0xb4272ba9, 0x04000000, 0x00ff00ff, // magenta | |
| 313 0xb4327bdc, 0x00800000, // maroon | |
| 314 0xb4a44d5b, 0x06350b43, 0x492e2800, 0x0066cdaa, // mediumaquamarine | |
| 315 0xb4a44d5b, 0x09952800, 0x000000cd, // mediumblue | |
| 316 0xb4a44d5b, 0x3e434248, 0x00ba55d3, // mediumorchid | |
| 317 0xb4a44d5b, 0x42b2830a, 0x009370db, // mediumpurple | |
| 318 0xb4a44d5b, 0x4ca13c8b, 0x15c00000, 0x003cb371, // mediumseagreen | |
| 319 0xb4a44d5b, 0x4d81a145, 0x32a50000, 0x007b68ee, // mediumslateblue | |
| 320 0xb4a44d5b, 0x4e124b8f, 0x1e452b80, 0x0000fa9a, // mediumspringgreen | |
| 321 0xb4a44d5b, 0x52b28d5f, 0x26650000, 0x0048d1cc, // mediumturquoise | |
| 322 0xb4a44d5b, 0x592f6169, 0x48a40000, 0x00c71585, // mediumvioletred | |
| 323 0xb524724f, 0x2282654a, 0x00191970, // midnightblue | |
| 324 0xb52ea0e5, 0x142d0000, 0x00f5fffa, // mintcream | |
| 325 0xb533a665, 0x3e650000, 0x00ffe4e1, // mistyrose | |
| 326 0xb5e31867, 0x25c00000, 0x00ffe4b5, // moccasin | |
| 327 0xb8360a9f, 0x5d09a140, 0x00ffdead, // navajowhite | |
| 328 0xb836c800, 0x00000080, // navy | |
| 329 0xbd846047, 0x14000000, 0x00fdf5e6, // oldlace | |
| 330 0xbd89b140, 0x00808000, // olive | |
| 331 0xbd89b149, 0x48220000, 0x006b8e23, // olivedrab | |
| 332 0xbe4171ca, 0x00ffa500, // orange | |
| 333 0xbe4171cb, 0x48a40000, 0x00ff4500, // orangered | |
| 334 0xbe434248, 0x00da70d6, // orchid | |
| 335 0xc02c29df, 0x3085749f, 0x10000000, 0x00eee8aa, // palegoldenrod | |
| 336 0xc02c29e5, 0x14ae0000, 0x0098fb98, // palegreen | |
| 337 0xc02c2d2b, 0x4a357a67, 0x14000000, 0x00afeeee, // paleturquoise | |
| 338 0xc02c2d93, 0x3d85a48b, 0x10000000, 0x00db7093, // palevioletred | |
| 339 0xc0300e43, 0x5d098000, 0x00ffefd5, // papayawhip | |
| 340 0xc0a11a21, 0x54c60000, 0x00ffdab9, // peachpuff | |
| 341 0xc0b2a800, 0x00cd853f, // peru | |
| 342 0xc12e5800, 0x00ffc0cb, // pink | |
| 343 0xc1956800, 0x00dda0dd, // plum | |
| 344 0xc1f72165, 0x09952800, 0x00b0e0e6, // powderblue | |
| 345 0xc2b2830a, 0x00800080, // purple | |
| 346 0xc8a40000, 0x00ff0000, // red | |
| 347 0xc9f3c8a5, 0x3eee0000, 0x00bc8f8f, // rosybrown | |
| 348 0xc9f90b05, 0x32a50000, 0x004169e1, // royalblue | |
| 349 0xcc24230b, 0x0a4fbb80, 0x008b4513, // saddlebrown | |
| 350 0xcc2c6bdc, 0x00fa8072, // salmon | |
| 351 0xcc2e2645, 0x49f77000, 0x00f4a460, // sandybrown | |
| 352 0xcca13c8b, 0x15c00000, 0x002e8b57, // seagreen | |
| 353 0xcca19a0b, 0x31800000, 0x00fff5ee, // seashell | |
| 354 0xcd257382, 0x00a0522d, // sienna | |
| 355 0xcd2cb164, 0x00c0c0c0, // silver | |
| 356 0xcd79132b, 0x14000000, 0x0087ceeb, // skyblue | |
| 357 0xcd81a145, 0x32a50000, 0x006a5acd, // slateblue | |
| 358 0xcd81a14f, 0x48390000, 0x00708090, // slategray | |
| 359 0xcdcfb800, 0x00fffafa, // snow | |
| 360 0xce124b8f, 0x1e452b80, 0x0000ff7f, // springgreen | |
| 361 0xce852b05, 0x32a50000, 0x004682b4, // steelblue | |
| 362 0xd02e0000, 0x00d2b48c, // tan | |
| 363 0xd0a16000, 0x00008080, // teal | |
| 364 0xd1099d19, 0x14000000, 0x00d8bfd8, // thistle | |
| 365 0xd1ed0d1e, 0x00ff6347, // tomato | |
| 366 0xd2b28d5f, 0x26650000, 0x0040e0d0, // turquoise | |
| 367 0xd92f6168, 0x00ee82ee, // violet | |
| 368 0xdd050d00, 0x00f5deb3, // wheat | |
| 369 0xdd09a140, 0x00ffffff, // white | |
| 370 0xdd09a167, 0x35eb2800, 0x00f5f5f5, // whitesmoke | |
| 371 0xe4ac63ee, 0x00ffff00, // yellow | |
| 372 0xe4ac63ef, 0x1e452b80, 0x009acd32 // yellowgreen | |
| 373 }; // original = 2505 : replacement = 1616 | |
| 374 | |
| 375 | |
| 376 const char* SkParse::FindNamedColor(const char* name, size_t len, SkColor* color
) { | |
| 377 const char* namePtr = name; | |
| 378 unsigned int sixMatches[4]; | |
| 379 unsigned int* sixMatchPtr = sixMatches; | |
| 380 bool first = true; | |
| 381 bool last = false; | |
| 382 char ch; | |
| 383 do { | |
| 384 unsigned int sixMatch = 0; | |
| 385 for (int chIndex = 0; chIndex < 6; chIndex++) { | |
| 386 sixMatch <<= 5; | |
| 387 ch = *namePtr | 0x20; | |
| 388 if (ch < 'a' || ch > 'z') | |
| 389 ch = 0; | |
| 390 else { | |
| 391 ch = ch - 'a' + 1; | |
| 392 namePtr++; | |
| 393 } | |
| 394 sixMatch |= ch ; // turn 'A' (0x41) into 'a' (0x61); | |
| 395 } | |
| 396 sixMatch <<= 1; | |
| 397 sixMatch |= 1; | |
| 398 if (first) { | |
| 399 sixMatch |= 0x80000000; | |
| 400 first = false; | |
| 401 } | |
| 402 ch = *namePtr | 0x20; | |
| 403 last = ch < 'a' || ch > 'z'; | |
| 404 if (last) | |
| 405 sixMatch &= ~1; | |
| 406 len -= 6; | |
| 407 *sixMatchPtr++ = sixMatch; | |
| 408 } while (last == false && len > 0); | |
| 409 const int colorNameSize = sizeof(gColorNames) / sizeof(unsigned int); | |
| 410 int lo = 0; | |
| 411 int hi = colorNameSize - 3; // back off to beginning of yellowgreen | |
| 412 while (lo <= hi) { | |
| 413 int mid = (hi + lo) >> 1; | |
| 414 while ((int) gColorNames[mid] >= 0) | |
| 415 --mid; | |
| 416 sixMatchPtr = sixMatches; | |
| 417 while (gColorNames[mid] == *sixMatchPtr) { | |
| 418 ++mid; | |
| 419 if ((*sixMatchPtr & 1) == 0) { // last | |
| 420 *color = gColorNames[mid] | 0xFF000000; | |
| 421 return namePtr; | |
| 422 } | |
| 423 ++sixMatchPtr; | |
| 424 } | |
| 425 int sixMask = *sixMatchPtr & ~0x80000000; | |
| 426 int midMask = gColorNames[mid] & ~0x80000000; | |
| 427 if (sixMask > midMask) { | |
| 428 lo = mid + 2; // skip color | |
| 429 while ((int) gColorNames[lo] >= 0) | |
| 430 ++lo; | |
| 431 } else if (hi == mid) | |
| 432 return NULL; | |
| 433 else | |
| 434 hi = mid; | |
| 435 } | |
| 436 return NULL; | |
| 437 } | |
| 438 | |
| 439 // !!! move to char utilities | |
| 440 //static int count_separators(const char* str, const char* sep) { | |
| 441 // char c; | |
| 442 // int separators = 0; | |
| 443 // while ((c = *str++) != '\0') { | |
| 444 // if (strchr(sep, c) == NULL) | |
| 445 // continue; | |
| 446 // do { | |
| 447 // if ((c = *str++) == '\0') | |
| 448 // goto goHome; | |
| 449 // } while (strchr(sep, c) != NULL); | |
| 450 // separators++; | |
| 451 // } | |
| 452 //goHome: | |
| 453 // return separators; | |
| 454 //} | |
| 455 | |
| 456 static inline unsigned nib2byte(unsigned n) | |
| 457 { | |
| 458 SkASSERT((n & ~0xF) == 0); | |
| 459 return (n << 4) | n; | |
| 460 } | |
| 461 | |
| 462 const char* SkParse::FindColor(const char* value, SkColor* colorPtr) { | |
| 463 unsigned int oldAlpha = SkColorGetA(*colorPtr); | |
| 464 if (value[0] == '#') { | |
| 465 uint32_t hex; | |
| 466 const char* end = SkParse::FindHex(value + 1, &hex); | |
| 467 // SkASSERT(end); | |
| 468 if (end == NULL) | |
| 469 return end; | |
| 470 size_t len = end - value - 1; | |
| 471 if (len == 3 || len == 4) { | |
| 472 unsigned a = len == 4 ? nib2byte(hex >> 12) : oldAlpha; | |
| 473 unsigned r = nib2byte((hex >> 8) & 0xF); | |
| 474 unsigned g = nib2byte((hex >> 4) & 0xF); | |
| 475 unsigned b = nib2byte(hex & 0xF); | |
| 476 *colorPtr = SkColorSetARGB(a, r, g, b); | |
| 477 return end; | |
| 478 } else if (len == 6 || len == 8) { | |
| 479 if (len == 6) | |
| 480 hex |= oldAlpha << 24; | |
| 481 *colorPtr = hex; | |
| 482 return end; | |
| 483 } else { | |
| 484 // SkASSERT(0); | |
| 485 return NULL; | |
| 486 } | |
| 487 // } else if (strchr(value, ',')) { | |
| 488 // SkScalar array[4]; | |
| 489 // int count = count_separators(value, ",") + 1; // !!! count commas, add 1 | |
| 490 // SkASSERT(count == 3 || count == 4); | |
| 491 // array[0] = SK_Scalar1 * 255; | |
| 492 // const char* end = SkParse::FindScalars(value, &array[4 - count], count); | |
| 493 // if (end == NULL) | |
| 494 // return NULL; | |
| 495 // !!! range check for errors? | |
| 496 // *colorPtr = SkColorSetARGB(SkScalarRound(array[0]), SkScalarRound(array[
1]), | |
| 497 // SkScalarRound(array[2]), SkScalarRound(array[3])); | |
| 498 // return end; | |
| 499 } else | |
| 500 return FindNamedColor(value, strlen(value), colorPtr); | |
| 501 } | |
| 502 | |
| 503 #ifdef SK_DEBUG | |
| 504 void SkParse::TestColor() { | |
| 505 if (false) | |
| 506 CreateTable(); // regenerates data table in the output window | |
| 507 SkColor result; | |
| 508 int index; | |
| 509 for (index = 0; index < colorNamesSize; index++) { | |
| 510 result = SK_ColorBLACK; | |
| 511 SkNameRGB nameRGB = colorNames[index]; | |
| 512 SkASSERT(FindColor(nameRGB.name, &result) != NULL); | |
| 513 SkASSERT(result == (SkColor) (nameRGB.rgb | 0xFF000000)); | |
| 514 } | |
| 515 for (index = 0; index < colorNamesSize; index++) { | |
| 516 result = SK_ColorBLACK; | |
| 517 SkNameRGB nameRGB = colorNames[index]; | |
| 518 char bad[24]; | |
| 519 size_t len = strlen(nameRGB.name); | |
| 520 memcpy(bad, nameRGB.name, len); | |
| 521 bad[len - 1] -= 1; | |
| 522 SkASSERT(FindColor(bad, &result) == false); | |
| 523 bad[len - 1] += 2; | |
| 524 SkASSERT(FindColor(bad, &result) == false); | |
| 525 } | |
| 526 result = SK_ColorBLACK; | |
| 527 SkASSERT(FindColor("lightGrey", &result)); | |
| 528 SkASSERT(result == 0xffd3d3d3); | |
| 529 // SkASSERT(FindColor("12,34,56,78", &result)); | |
| 530 // SkASSERT(result == ((12 << 24) | (34 << 16) | (56 << 8) | (78 << 0))); | |
| 531 result = SK_ColorBLACK; | |
| 532 SkASSERT(FindColor("#ABCdef", &result)); | |
| 533 SkASSERT(result == 0XFFABCdef); | |
| 534 SkASSERT(FindColor("#12ABCdef", &result)); | |
| 535 SkASSERT(result == 0X12ABCdef); | |
| 536 result = SK_ColorBLACK; | |
| 537 SkASSERT(FindColor("#123", &result)); | |
| 538 SkASSERT(result == 0Xff112233); | |
| 539 SkASSERT(FindColor("#abcd", &result)); | |
| 540 SkASSERT(result == 0Xaabbccdd); | |
| 541 result = SK_ColorBLACK; | |
| 542 // SkASSERT(FindColor("71,162,253", &result)); | |
| 543 // SkASSERT(result == ((0xFF << 24) | (71 << 16) | (162 << 8) | (253 << 0))); | |
| 544 } | |
| 545 #endif | |
| 546 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 113827:
Remove the remainder of the skia source code from the Chromium repo.... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/