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Diffstat (limited to 'libs/litehtml/src/web_color.cpp')
| -rw-r--r-- | libs/litehtml/src/web_color.cpp | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/libs/litehtml/src/web_color.cpp b/libs/litehtml/src/web_color.cpp new file mode 100644 index 0000000000..78b201fac0 --- /dev/null +++ b/libs/litehtml/src/web_color.cpp @@ -0,0 +1,274 @@ +#include "html.h" +#include "web_color.h" +#include <cstring> + +const litehtml::web_color litehtml::web_color::transparent = web_color(0, 0, 0, 0); +const litehtml::web_color litehtml::web_color::black = web_color(0, 0, 0, 255); +const litehtml::web_color litehtml::web_color::white = web_color(255, 255, 255, 255); + +litehtml::def_color litehtml::g_def_colors[] = +{ + {"transparent","rgba(0, 0, 0, 0)"}, + {"AliceBlue","#F0F8FF"}, + {"AntiqueWhite","#FAEBD7"}, + {"Aqua","#00FFFF"}, + {"Aquamarine","#7FFFD4"}, + {"Azure","#F0FFFF"}, + {"Beige","#F5F5DC"}, + {"Bisque","#FFE4C4"}, + {"Black","#000000"}, + {"BlanchedAlmond","#FFEBCD"}, + {"Blue","#0000FF"}, + {"BlueViolet","#8A2BE2"}, + {"Brown","#A52A2A"}, + {"BurlyWood","#DEB887"}, + {"CadetBlue","#5F9EA0"}, + {"Chartreuse","#7FFF00"}, + {"Chocolate","#D2691E"}, + {"Coral","#FF7F50"}, + {"CornflowerBlue","#6495ED"}, + {"Cornsilk","#FFF8DC"}, + {"Crimson","#DC143C"}, + {"Cyan","#00FFFF"}, + {"DarkBlue","#00008B"}, + {"DarkCyan","#008B8B"}, + {"DarkGoldenRod","#B8860B"}, + {"DarkGray","#A9A9A9"}, + {"DarkGrey","#A9A9A9"}, + {"DarkGreen","#006400"}, + {"DarkKhaki","#BDB76B"}, + {"DarkMagenta","#8B008B"}, + {"DarkOliveGreen","#556B2F"}, + {"Darkorange","#FF8C00"}, + {"DarkOrchid","#9932CC"}, + {"DarkRed","#8B0000"}, + {"DarkSalmon","#E9967A"}, + {"DarkSeaGreen","#8FBC8F"}, + {"DarkSlateBlue","#483D8B"}, + {"DarkSlateGray","#2F4F4F"}, + {"DarkSlateGrey","#2F4F4F"}, + {"DarkTurquoise","#00CED1"}, + {"DarkViolet","#9400D3"}, + {"DeepPink","#FF1493"}, + {"DeepSkyBlue","#00BFFF"}, + {"DimGray","#696969"}, + {"DimGrey","#696969"}, + {"DodgerBlue","#1E90FF"}, + {"FireBrick","#B22222"}, + {"FloralWhite","#FFFAF0"}, + {"ForestGreen","#228B22"}, + {"Fuchsia","#FF00FF"}, + {"Gainsboro","#DCDCDC"}, + {"GhostWhite","#F8F8FF"}, + {"Gold","#FFD700"}, + {"GoldenRod","#DAA520"}, + {"Gray","#808080"}, + {"Grey","#808080"}, + {"Green","#008000"}, + {"GreenYellow","#ADFF2F"}, + {"HoneyDew","#F0FFF0"}, + {"HotPink","#FF69B4"}, + {"Ivory","#FFFFF0"}, + {"Khaki","#F0E68C"}, + {"Lavender","#E6E6FA"}, + {"LavenderBlush","#FFF0F5"}, + {"LawnGreen","#7CFC00"}, + {"LemonChiffon","#FFFACD"}, + {"LightBlue","#ADD8E6"}, + {"LightCoral","#F08080"}, + {"LightCyan","#E0FFFF"}, + {"LightGoldenRodYellow","#FAFAD2"}, + {"LightGray","#D3D3D3"}, + {"LightGrey","#D3D3D3"}, + {"LightGreen","#90EE90"}, + {"LightPink","#FFB6C1"}, + {"LightSalmon","#FFA07A"}, + {"LightSeaGreen","#20B2AA"}, + {"LightSkyBlue","#87CEFA"}, + {"LightSlateGray","#778899"}, + {"LightSlateGrey","#778899"}, + {"LightSteelBlue","#B0C4DE"}, + {"LightYellow","#FFFFE0"}, + {"Lime","#00FF00"}, + {"LimeGreen","#32CD32"}, + {"Linen","#FAF0E6"}, + {"Magenta","#FF00FF"}, + {"Maroon","#800000"}, + {"MediumAquaMarine","#66CDAA"}, + {"MediumBlue","#0000CD"}, + {"MediumOrchid","#BA55D3"}, + {"MediumPurple","#9370D8"}, + {"MediumSeaGreen","#3CB371"}, + {"MediumSlateBlue","#7B68EE"}, + {"MediumSpringGreen","#00FA9A"}, + {"MediumTurquoise","#48D1CC"}, + {"MediumVioletRed","#C71585"}, + {"MidnightBlue","#191970"}, + {"MintCream","#F5FFFA"}, + {"MistyRose","#FFE4E1"}, + {"Moccasin","#FFE4B5"}, + {"NavajoWhite","#FFDEAD"}, + {"Navy","#000080"}, + {"OldLace","#FDF5E6"}, + {"Olive","#808000"}, + {"OliveDrab","#6B8E23"}, + {"Orange","#FFA500"}, + {"OrangeRed","#FF4500"}, + {"Orchid","#DA70D6"}, + {"PaleGoldenRod","#EEE8AA"}, + {"PaleGreen","#98FB98"}, + {"PaleTurquoise","#AFEEEE"}, + {"PaleVioletRed","#D87093"}, + {"PapayaWhip","#FFEFD5"}, + {"PeachPuff","#FFDAB9"}, + {"Peru","#CD853F"}, + {"Pink","#FFC0CB"}, + {"Plum","#DDA0DD"}, + {"PowderBlue","#B0E0E6"}, + {"Purple","#800080"}, + {"Red","#FF0000"}, + {"RosyBrown","#BC8F8F"}, + {"RoyalBlue","#4169E1"}, + {"SaddleBrown","#8B4513"}, + {"Salmon","#FA8072"}, + {"SandyBrown","#F4A460"}, + {"SeaGreen","#2E8B57"}, + {"SeaShell","#FFF5EE"}, + {"Sienna","#A0522D"}, + {"Silver","#C0C0C0"}, + {"SkyBlue","#87CEEB"}, + {"SlateBlue","#6A5ACD"}, + {"SlateGray","#708090"}, + {"SlateGrey","#708090"}, + {"Snow","#FFFAFA"}, + {"SpringGreen","#00FF7F"}, + {"SteelBlue","#4682B4"}, + {"Tan","#D2B48C"}, + {"Teal","#008080"}, + {"Thistle","#D8BFD8"}, + {"Tomato","#FF6347"}, + {"Turquoise","#40E0D0"}, + {"Violet","#EE82EE"}, + {"Wheat","#F5DEB3"}, + {"White","#FFFFFF"}, + {"WhiteSmoke","#F5F5F5"}, + {"Yellow","#FFFF00"}, + {"YellowGreen","#9ACD32"}, + {nullptr,nullptr} +}; + + +litehtml::web_color litehtml::web_color::from_string(const string& _str, document_container* callback) +{ + auto str = _str.c_str(); + if(!str[0]) + { + return web_color(0, 0, 0); + } + if(str[0] == '#') + { + string red; + string green; + string blue; + if(strlen(str + 1) == 3) + { + red += str[1]; + red += str[1]; + green += str[2]; + green += str[2]; + blue += str[3]; + blue += str[3]; + } else if(strlen(str + 1) == 6) + { + red += str[1]; + red += str[2]; + green += str[3]; + green += str[4]; + blue += str[5]; + blue += str[6]; + } + char* sss = nullptr; + web_color clr; + clr.red = (byte) strtol(red.c_str(), &sss, 16); + clr.green = (byte) strtol(green.c_str(), &sss, 16); + clr.blue = (byte) strtol(blue.c_str(), &sss, 16); + return clr; + } else if(!strncmp(str, "rgb", 3)) + { + string s = str; + + string::size_type pos = s.find_first_of('('); + if(pos != string::npos) + { + s.erase(s.begin(), s.begin() + pos + 1); + } + pos = s.find_last_of(')'); + if(pos != string::npos) + { + s.erase(s.begin() + pos, s.end()); + } + + std::vector<string> tokens; + split_string(s, tokens, ", \t"); + + web_color clr; + + if(tokens.size() >= 1) clr.red = (byte) atoi(tokens[0].c_str()); + if(tokens.size() >= 2) clr.green = (byte) atoi(tokens[1].c_str()); + if(tokens.size() >= 3) clr.blue = (byte) atoi(tokens[2].c_str()); + if(tokens.size() >= 4) clr.alpha = (byte) (t_strtod(tokens[3].c_str(), nullptr) * 255.0); + + return clr; + } else + { + string rgb = resolve_name(str, callback); + if(!rgb.empty()) + { + return from_string(rgb.c_str(), callback); + } + } + return web_color(0, 0, 0); +} + +litehtml::string litehtml::web_color::resolve_name(const string& name, document_container* callback) +{ + for(int i=0; g_def_colors[i].name; i++) + { + if(!t_strcasecmp(name.c_str(), g_def_colors[i].name)) + { + return g_def_colors[i].rgb; + } + } + if (callback) + { + string clr = callback->resolve_color(name); + return clr; + } + return ""; +} + +bool litehtml::web_color::is_color(const string& str, document_container* callback) +{ + if (!t_strncasecmp(str.c_str(), "rgb", 3) || str[0] == '#') + { + return true; + } + if (t_isalpha(str[0]) && resolve_name(str, callback) != "") + { + return true; + } + return false; +} + +litehtml::string litehtml::web_color::to_string() const +{ + char str[9]; + if(alpha) + { + t_snprintf(str, 9, "%02X%02X%02X%02X", red, green, blue, alpha); + } else + { + t_snprintf(str, 9, "%02X%02X%02X", red, green, blue); + } + return str; +} |