| /* |
| * Copyright 2006 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| |
| #include "include/utils/SkParse.h" |
| |
| #pragma pack(push,1) |
| static constexpr struct ColorRec { |
| const char* name; |
| uint8_t r, g, b; |
| } gNamedColors[] = { |
| { "aliceblue", 0xf0,0xf8,0xff }, |
| { "antiquewhite", 0xfa,0xeb,0xd7 }, |
| { "aqua", 0x00,0xff,0xff }, |
| { "aquamarine", 0x7f,0xff,0xd4 }, |
| { "azure", 0xf0,0xff,0xff }, |
| { "beige", 0xf5,0xf5,0xdc }, |
| { "bisque", 0xff,0xe4,0xc4 }, |
| { "black", 0x00,0x00,0x00 }, |
| { "blanchedalmond", 0xff,0xeb,0xcd }, |
| { "blue", 0x00,0x00,0xff }, |
| { "blueviolet", 0x8a,0x2b,0xe2 }, |
| { "brown", 0xa5,0x2a,0x2a }, |
| { "burlywood", 0xde,0xb8,0x87 }, |
| { "cadetblue", 0x5f,0x9e,0xa0 }, |
| { "chartreuse", 0x7f,0xff,0x00 }, |
| { "chocolate", 0xd2,0x69,0x1e }, |
| { "coral", 0xff,0x7f,0x50 }, |
| { "cornflowerblue", 0x64,0x95,0xed }, |
| { "cornsilk", 0xff,0xf8,0xdc }, |
| { "crimson", 0xdc,0x14,0x3c }, |
| { "cyan", 0x00,0xff,0xff }, |
| { "darkblue", 0x00,0x00,0x8b }, |
| { "darkcyan", 0x00,0x8b,0x8b }, |
| { "darkgoldenrod", 0xb8,0x86,0x0b }, |
| { "darkgray", 0xa9,0xa9,0xa9 }, |
| { "darkgreen", 0x00,0x64,0x00 }, |
| { "darkkhaki", 0xbd,0xb7,0x6b }, |
| { "darkmagenta", 0x8b,0x00,0x8b }, |
| { "darkolivegreen", 0x55,0x6b,0x2f }, |
| { "darkorange", 0xff,0x8c,0x00 }, |
| { "darkorchid", 0x99,0x32,0xcc }, |
| { "darkred", 0x8b,0x00,0x00 }, |
| { "darksalmon", 0xe9,0x96,0x7a }, |
| { "darkseagreen", 0x8f,0xbc,0x8f }, |
| { "darkslateblue", 0x48,0x3d,0x8b }, |
| { "darkslategray", 0x2f,0x4f,0x4f }, |
| { "darkturquoise", 0x00,0xce,0xd1 }, |
| { "darkviolet", 0x94,0x00,0xd3 }, |
| { "deeppink", 0xff,0x14,0x93 }, |
| { "deepskyblue", 0x00,0xbf,0xff }, |
| { "dimgray", 0x69,0x69,0x69 }, |
| { "dodgerblue", 0x1e,0x90,0xff }, |
| { "firebrick", 0xb2,0x22,0x22 }, |
| { "floralwhite", 0xff,0xfa,0xf0 }, |
| { "forestgreen", 0x22,0x8b,0x22 }, |
| { "fuchsia", 0xff,0x00,0xff }, |
| { "gainsboro", 0xdc,0xdc,0xdc }, |
| { "ghostwhite", 0xf8,0xf8,0xff }, |
| { "gold", 0xff,0xd7,0x00 }, |
| { "goldenrod", 0xda,0xa5,0x20 }, |
| { "gray", 0x80,0x80,0x80 }, |
| { "green", 0x00,0x80,0x00 }, |
| { "greenyellow", 0xad,0xff,0x2f }, |
| { "honeydew", 0xf0,0xff,0xf0 }, |
| { "hotpink", 0xff,0x69,0xb4 }, |
| { "indianred", 0xcd,0x5c,0x5c }, |
| { "indigo", 0x4b,0x00,0x82 }, |
| { "ivory", 0xff,0xff,0xf0 }, |
| { "khaki", 0xf0,0xe6,0x8c }, |
| { "lavender", 0xe6,0xe6,0xfa }, |
| { "lavenderblush", 0xff,0xf0,0xf5 }, |
| { "lawngreen", 0x7c,0xfc,0x00 }, |
| { "lemonchiffon", 0xff,0xfa,0xcd }, |
| { "lightblue", 0xad,0xd8,0xe6 }, |
| { "lightcoral", 0xf0,0x80,0x80 }, |
| { "lightcyan", 0xe0,0xff,0xff }, |
| { "lightgoldenrodyellow", 0xfa,0xfa,0xd2 }, |
| { "lightgreen", 0x90,0xee,0x90 }, |
| { "lightgrey", 0xd3,0xd3,0xd3 }, |
| { "lightpink", 0xff,0xb6,0xc1 }, |
| { "lightsalmon", 0xff,0xa0,0x7a }, |
| { "lightseagreen", 0x20,0xb2,0xaa }, |
| { "lightskyblue", 0x87,0xce,0xfa }, |
| { "lightslategray", 0x77,0x88,0x99 }, |
| { "lightsteelblue", 0xb0,0xc4,0xde }, |
| { "lightyellow", 0xff,0xff,0xe0 }, |
| { "lime", 0x00,0xff,0x00 }, |
| { "limegreen", 0x32,0xcd,0x32 }, |
| { "linen", 0xfa,0xf0,0xe6 }, |
| { "magenta", 0xff,0x00,0xff }, |
| { "maroon", 0x80,0x00,0x00 }, |
| { "mediumaquamarine", 0x66,0xcd,0xaa }, |
| { "mediumblue", 0x00,0x00,0xcd }, |
| { "mediumorchid", 0xba,0x55,0xd3 }, |
| { "mediumpurple", 0x93,0x70,0xdb }, |
| { "mediumseagreen", 0x3c,0xb3,0x71 }, |
| { "mediumslateblue", 0x7b,0x68,0xee }, |
| { "mediumspringgreen", 0x00,0xfa,0x9a }, |
| { "mediumturquoise", 0x48,0xd1,0xcc }, |
| { "mediumvioletred", 0xc7,0x15,0x85 }, |
| { "midnightblue", 0x19,0x19,0x70 }, |
| { "mintcream", 0xf5,0xff,0xfa }, |
| { "mistyrose", 0xff,0xe4,0xe1 }, |
| { "moccasin", 0xff,0xe4,0xb5 }, |
| { "navajowhite", 0xff,0xde,0xad }, |
| { "navy", 0x00,0x00,0x80 }, |
| { "oldlace", 0xfd,0xf5,0xe6 }, |
| { "olive", 0x80,0x80,0x00 }, |
| { "olivedrab", 0x6b,0x8e,0x23 }, |
| { "orange", 0xff,0xa5,0x00 }, |
| { "orangered", 0xff,0x45,0x00 }, |
| { "orchid", 0xda,0x70,0xd6 }, |
| { "palegoldenrod", 0xee,0xe8,0xaa }, |
| { "palegreen", 0x98,0xfb,0x98 }, |
| { "paleturquoise", 0xaf,0xee,0xee }, |
| { "palevioletred", 0xdb,0x70,0x93 }, |
| { "papayawhip", 0xff,0xef,0xd5 }, |
| { "peachpuff", 0xff,0xda,0xb9 }, |
| { "peru", 0xcd,0x85,0x3f }, |
| { "pink", 0xff,0xc0,0xcb }, |
| { "plum", 0xdd,0xa0,0xdd }, |
| { "powderblue", 0xb0,0xe0,0xe6 }, |
| { "purple", 0x80,0x00,0x80 }, |
| { "red", 0xff,0x00,0x00 }, |
| { "rosybrown", 0xbc,0x8f,0x8f }, |
| { "royalblue", 0x41,0x69,0xe1 }, |
| { "saddlebrown", 0x8b,0x45,0x13 }, |
| { "salmon", 0xfa,0x80,0x72 }, |
| { "sandybrown", 0xf4,0xa4,0x60 }, |
| { "seagreen", 0x2e,0x8b,0x57 }, |
| { "seashell", 0xff,0xf5,0xee }, |
| { "sienna", 0xa0,0x52,0x2d }, |
| { "silver", 0xc0,0xc0,0xc0 }, |
| { "skyblue", 0x87,0xce,0xeb }, |
| { "slateblue", 0x6a,0x5a,0xcd }, |
| { "slategray", 0x70,0x80,0x90 }, |
| { "snow", 0xff,0xfa,0xfa }, |
| { "springgreen", 0x00,0xff,0x7f }, |
| { "steelblue", 0x46,0x82,0xb4 }, |
| { "tan", 0xd2,0xb4,0x8c }, |
| { "teal", 0x00,0x80,0x80 }, |
| { "thistle", 0xd8,0xbf,0xd8 }, |
| { "tomato", 0xff,0x63,0x47 }, |
| { "turquoise", 0x40,0xe0,0xd0 }, |
| { "violet", 0xee,0x82,0xee }, |
| { "wheat", 0xf5,0xde,0xb3 }, |
| { "white", 0xff,0xff,0xff }, |
| { "whitesmoke", 0xf5,0xf5,0xf5 }, |
| { "yellow", 0xff,0xff,0x00 }, |
| { "yellowgreen", 0x9a,0xcd,0x32 }, |
| }; |
| |
| #pragma pack(pop) |
| |
| const char* SkParse::FindNamedColor(const char* name, size_t len, SkColor* color) { |
| const auto* rec = std::lower_bound(std::begin(gNamedColors), |
| std::end (gNamedColors), |
| ColorRec{name, 0,0,0}, // key |
| [](const ColorRec& rec, const ColorRec& key) { |
| return strcmp(rec.name, key.name) < 0; |
| }); |
| |
| if (rec == std::end(gNamedColors) || strcmp(name, rec->name)) { |
| return nullptr; |
| } |
| |
| if (color) { |
| *color = SkColorSetRGB(rec->r, rec->g, rec->b); |
| } |
| |
| return name + strlen(rec->name); |
| } |
| |
| // !!! move to char utilities |
| //static int count_separators(const char* str, const char* sep) { |
| // char c; |
| // int separators = 0; |
| // while ((c = *str++) != '\0') { |
| // if (strchr(sep, c) == nullptr) |
| // continue; |
| // do { |
| // if ((c = *str++) == '\0') |
| // goto goHome; |
| // } while (strchr(sep, c) != nullptr); |
| // separators++; |
| // } |
| //goHome: |
| // return separators; |
| //} |
| |
| static inline unsigned nib2byte(unsigned n) |
| { |
| SkASSERT((n & ~0xF) == 0); |
| return (n << 4) | n; |
| } |
| |
| const char* SkParse::FindColor(const char* value, SkColor* colorPtr) { |
| unsigned int oldAlpha = SkColorGetA(*colorPtr); |
| if (value[0] == '#') { |
| uint32_t hex; |
| const char* end = SkParse::FindHex(value + 1, &hex); |
| // SkASSERT(end); |
| if (end == nullptr) |
| return end; |
| size_t len = end - value - 1; |
| if (len == 3 || len == 4) { |
| unsigned a = len == 4 ? nib2byte(hex >> 12) : oldAlpha; |
| unsigned r = nib2byte((hex >> 8) & 0xF); |
| unsigned g = nib2byte((hex >> 4) & 0xF); |
| unsigned b = nib2byte(hex & 0xF); |
| *colorPtr = SkColorSetARGB(a, r, g, b); |
| return end; |
| } else if (len == 6 || len == 8) { |
| if (len == 6) |
| hex |= oldAlpha << 24; |
| *colorPtr = hex; |
| return end; |
| } else { |
| // SkASSERT(0); |
| return nullptr; |
| } |
| // } else if (strchr(value, ',')) { |
| // SkScalar array[4]; |
| // int count = count_separators(value, ",") + 1; // !!! count commas, add 1 |
| // SkASSERT(count == 3 || count == 4); |
| // array[0] = SK_Scalar1 * 255; |
| // const char* end = SkParse::FindScalars(value, &array[4 - count], count); |
| // if (end == nullptr) |
| // return nullptr; |
| // !!! range check for errors? |
| // *colorPtr = SkColorSetARGB(SkScalarRoundToInt(array[0]), SkScalarRoundToInt(array[1]), |
| // SkScalarRoundToInt(array[2]), SkScalarRoundToInt(array[3])); |
| // return end; |
| } else |
| return FindNamedColor(value, strlen(value), colorPtr); |
| } |
