use external library

1 files changed, 0 insertions, 281 deletions

diff --git a/src/util/color.cpp b/src/util/color.cpp
deleted file mode 100644
index ee3b990111..0000000000
--- a/src/util/color.cpp
+++ /dev/null
@@ -1,281 +0,0 @@
-// (c) Dean McNamee <dean@gmail.com>, 2012.
-// C++ port by Konstantin Käfer <mail@kkaefer.com, 2014.
-//
-// https://github.com/deanm/css-color-parser-js
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to
-// deal in the Software without restriction, including without limitation the
-// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
-// sell copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
-// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
-// IN THE SOFTWARE.
-
-#include <llmr/util/color.hpp>
-
-#include <cstdint>
-#include <vector>
-#include <sstream>
-#include <cmath>
-#include <map>
-
-using namespace llmr::util;
-
-
-// http://www.w3.org/TR/css3-color/
-const std::map<std::string, CSSColor> kCSSColorTable = {
-    { "transparent", { 0, 0, 0, 0 } }, { "aliceblue", { 240, 248, 255, 1 } },
-    { "antiquewhite", { 250, 235, 215, 1 } }, { "aqua", { 0, 255, 255, 1 } },
-    { "aquamarine", { 127, 255, 212, 1 } }, { "azure", { 240, 255, 255, 1 } },
-    { "beige", { 245, 245, 220, 1 } }, { "bisque", { 255, 228, 196, 1 } },
-    { "black", { 0, 0, 0, 1 } }, { "blanchedalmond", { 255, 235, 205, 1 } },
-    { "blue", { 0, 0, 255, 1 } }, { "blueviolet", { 138, 43, 226, 1 } },
-    { "brown", { 165, 42, 42, 1 } }, { "burlywood", { 222, 184, 135, 1 } },
-    { "cadetblue", { 95, 158, 160, 1 } }, { "chartreuse", { 127, 255, 0, 1 } },
-    { "chocolate", { 210, 105, 30, 1 } }, { "coral", { 255, 127, 80, 1 } },
-    { "cornflowerblue", { 100, 149, 237, 1 } }, { "cornsilk", { 255, 248, 220, 1 } },
-    { "crimson", { 220, 20, 60, 1 } }, { "cyan", { 0, 255, 255, 1 } },
-    { "darkblue", { 0, 0, 139, 1 } }, { "darkcyan", { 0, 139, 139, 1 } },
-    { "darkgoldenrod", { 184, 134, 11, 1 } }, { "darkgray", { 169, 169, 169, 1 } },
-    { "darkgreen", { 0, 100, 0, 1 } }, { "darkgrey", { 169, 169, 169, 1 } },
-    { "darkkhaki", { 189, 183, 107, 1 } }, { "darkmagenta", { 139, 0, 139, 1 } },
-    { "darkolivegreen", { 85, 107, 47, 1 } }, { "darkorange", { 255, 140, 0, 1 } },
-    { "darkorchid", { 153, 50, 204, 1 } }, { "darkred", { 139, 0, 0, 1 } },
-    { "darksalmon", { 233, 150, 122, 1 } }, { "darkseagreen", { 143, 188, 143, 1 } },
-    { "darkslateblue", { 72, 61, 139, 1 } }, { "darkslategray", { 47, 79, 79, 1 } },
-    { "darkslategrey", { 47, 79, 79, 1 } }, { "darkturquoise", { 0, 206, 209, 1 } },
-    { "darkviolet", { 148, 0, 211, 1 } }, { "deeppink", { 255, 20, 147, 1 } },
-    { "deepskyblue", { 0, 191, 255, 1 } }, { "dimgray", { 105, 105, 105, 1 } },
-    { "dimgrey", { 105, 105, 105, 1 } }, { "dodgerblue", { 30, 144, 255, 1 } },
-    { "firebrick", { 178, 34, 34, 1 } }, { "floralwhite", { 255, 250, 240, 1 } },
-    { "forestgreen", { 34, 139, 34, 1 } }, { "fuchsia", { 255, 0, 255, 1 } },
-    { "gainsboro", { 220, 220, 220, 1 } }, { "ghostwhite", { 248, 248, 255, 1 } },
-    { "gold", { 255, 215, 0, 1 } }, { "goldenrod", { 218, 165, 32, 1 } },
-    { "gray", { 128, 128, 128, 1 } }, { "green", { 0, 128, 0, 1 } },
-    { "greenyellow", { 173, 255, 47, 1 } }, { "grey", { 128, 128, 128, 1 } },
-    { "honeydew", { 240, 255, 240, 1 } }, { "hotpink", { 255, 105, 180, 1 } },
-    { "indianred", { 205, 92, 92, 1 } }, { "indigo", { 75, 0, 130, 1 } },
-    { "ivory", { 255, 255, 240, 1 } }, { "khaki", { 240, 230, 140, 1 } },
-    { "lavender", { 230, 230, 250, 1 } }, { "lavenderblush", { 255, 240, 245, 1 } },
-    { "lawngreen", { 124, 252, 0, 1 } }, { "lemonchiffon", { 255, 250, 205, 1 } },
-    { "lightblue", { 173, 216, 230, 1 } }, { "lightcoral", { 240, 128, 128, 1 } },
-    { "lightcyan", { 224, 255, 255, 1 } }, { "lightgoldenrodyellow", { 250, 250, 210, 1 } },
-    { "lightgray", { 211, 211, 211, 1 } }, { "lightgreen", { 144, 238, 144, 1 } },
-    { "lightgrey", { 211, 211, 211, 1 } }, { "lightpink", { 255, 182, 193, 1 } },
-    { "lightsalmon", { 255, 160, 122, 1 } }, { "lightseagreen", { 32, 178, 170, 1 } },
-    { "lightskyblue", { 135, 206, 250, 1 } }, { "lightslategray", { 119, 136, 153, 1 } },
-    { "lightslategrey", { 119, 136, 153, 1 } }, { "lightsteelblue", { 176, 196, 222, 1 } },
-    { "lightyellow", { 255, 255, 224, 1 } }, { "lime", { 0, 255, 0, 1 } },
-    { "limegreen", { 50, 205, 50, 1 } }, { "linen", { 250, 240, 230, 1 } },
-    { "magenta", { 255, 0, 255, 1 } }, { "maroon", { 128, 0, 0, 1 } },
-    { "mediumaquamarine", { 102, 205, 170, 1 } }, { "mediumblue", { 0, 0, 205, 1 } },
-    { "mediumorchid", { 186, 85, 211, 1 } }, { "mediumpurple", { 147, 112, 219, 1 } },
-    { "mediumseagreen", { 60, 179, 113, 1 } }, { "mediumslateblue", { 123, 104, 238, 1 } },
-    { "mediumspringgreen", { 0, 250, 154, 1 } }, { "mediumturquoise", { 72, 209, 204, 1 } },
-    { "mediumvioletred", { 199, 21, 133, 1 } }, { "midnightblue", { 25, 25, 112, 1 } },
-    { "mintcream", { 245, 255, 250, 1 } }, { "mistyrose", { 255, 228, 225, 1 } },
-    { "moccasin", { 255, 228, 181, 1 } }, { "navajowhite", { 255, 222, 173, 1 } },
-    { "navy", { 0, 0, 128, 1 } }, { "oldlace", { 253, 245, 230, 1 } },
-    { "olive", { 128, 128, 0, 1 } }, { "olivedrab", { 107, 142, 35, 1 } },
-    { "orange", { 255, 165, 0, 1 } }, { "orangered", { 255, 69, 0, 1 } },
-    { "orchid", { 218, 112, 214, 1 } }, { "palegoldenrod", { 238, 232, 170, 1 } },
-    { "palegreen", { 152, 251, 152, 1 } }, { "paleturquoise", { 175, 238, 238, 1 } },
-    { "palevioletred", { 219, 112, 147, 1 } }, { "papayawhip", { 255, 239, 213, 1 } },
-    { "peachpuff", { 255, 218, 185, 1 } }, { "peru", { 205, 133, 63, 1 } },
-    { "pink", { 255, 192, 203, 1 } }, { "plum", { 221, 160, 221, 1 } },
-    { "powderblue", { 176, 224, 230, 1 } }, { "purple", { 128, 0, 128, 1 } },
-    { "red", { 255, 0, 0, 1 } }, { "rosybrown", { 188, 143, 143, 1 } },
-    { "royalblue", { 65, 105, 225, 1 } }, { "saddlebrown", { 139, 69, 19, 1 } },
-    { "salmon", { 250, 128, 114, 1 } }, { "sandybrown", { 244, 164, 96, 1 } },
-    { "seagreen", { 46, 139, 87, 1 } }, { "seashell", { 255, 245, 238, 1 } },
-    { "sienna", { 160, 82, 45, 1 } }, { "silver", { 192, 192, 192, 1 } },
-    { "skyblue", { 135, 206, 235, 1 } }, { "slateblue", { 106, 90, 205, 1 } },
-    { "slategray", { 112, 128, 144, 1 } }, { "slategrey", { 112, 128, 144, 1 } },
-    { "snow", { 255, 250, 250, 1 } }, { "springgreen", { 0, 255, 127, 1 } },
-    { "steelblue", { 70, 130, 180, 1 } }, { "tan", { 210, 180, 140, 1 } },
-    { "teal", { 0, 128, 128, 1 } }, { "thistle", { 216, 191, 216, 1 } },
-    { "tomato", { 255, 99, 71, 1 } }, { "turquoise", { 64, 224, 208, 1 } },
-    { "violet", { 238, 130, 238, 1 } }, { "wheat", { 245, 222, 179, 1 } },
-    { "white", { 255, 255, 255, 1 } }, { "whitesmoke", { 245, 245, 245, 1 } },
-    { "yellow", { 255, 255, 0, 1 } }, { "yellowgreen", { 154, 205, 50, 1 } }
-};
-
-
-template <typename T>
-uint8_t clamp_css_byte(T i) {  // Clamp to integer 0 .. 255.
-    i = round(i);  // Seems to be what Chrome does (vs truncation).
-    return i < 0 ? 0 : i > 255 ? 255 : i;
-}
-
-template <typename T>
-float clamp_css_float(T f) {  // Clamp to float 0.0 .. 1.0.
-    return f < 0 ? 0 : f > 1 ? 1 : f;
-}
-
-float parseFloat(const std::string& str) {
-    return strtof(str.c_str(), nullptr);
-}
-
-int64_t parseInt(const std::string& str, uint8_t base = 10) {
-    return strtoll(str.c_str(), nullptr, base);
-}
-
-uint8_t parse_css_int(const std::string& str) {  // int or percentage.
-    if (str.length() && str.back() == '%') {
-        return clamp_css_byte(parseFloat(str) / 100 * 255);
-    } else {
-        return clamp_css_byte(parseInt(str));
-    }
-}
-
-float parse_css_float(const std::string& str) {  // float or percentage.
-    if (str.length() && str.back() == '%') {
-        return clamp_css_float(parseFloat(str) / 100);
-    } else {
-        return clamp_css_float(parseFloat(str));
-    }
-}
-
-uint8_t css_hue_to_rgb(uint8_t m1, uint8_t m2, uint8_t h) {
-    if (h < 0) {
-        h += 1;
-    } else if (h > 1) {
-        h -= 1;
-    }
-
-    if (h * 6 < 1) {
-        return m1 + (m2 - m1) * h * 6;
-    }
-    if (h * 2 < 1) {
-        return m2;
-    }
-    if (h * 3 < 2) {
-        return m1 + (m2 - m1) * (2 / 3 - h) * 6;
-    }
-    return m1;
-}
-
-
-
-std::vector<std::string> split(const std::string& s, char delim) {
-    std::vector<std::string> elems;
-    std::stringstream ss(s);
-    std::string item;
-    while (std::getline(ss, item, delim)) {
-        elems.push_back(item);
-    }
-    return elems;
-}
-
-CSSColor llmr::util::parseCSSColor(std::string str) {
-    // Remove all whitespace, not compliant, but should just be more accepting.
-    str.erase(std::remove(str.begin(), str.end(), ' '), str.end());
-
-    // Convert to lowercase.
-    // std::transform(str.begin(), str.end(), str.begin(), ::tolower);
-
-    // Color keywords (and transparent) lookup.
-    auto it = kCSSColorTable.find(str);
-    if (it != kCSSColorTable.end()) {
-        return it->second;
-    }
-
-    // #abc and #abc123 syntax.
-    if (str.length() && str.front() == '#') {
-        if (str.length() == 4) {
-            int64_t iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.
-            if (!(iv >= 0 && iv <= 0xfff)) {
-                return {};
-            } else {
-                return {
-                    static_cast<uint8_t>(((iv & 0xf00) >> 4) | ((iv & 0xf00) >> 8)),
-                    static_cast<uint8_t>((iv & 0xf0) | ((iv & 0xf0) >> 4)),
-                    static_cast<uint8_t>((iv & 0xf) | ((iv & 0xf) << 4)),
-                    1
-                };
-            }
-        } else if (str.length() == 7) {
-            int64_t iv = parseInt(str.substr(1), 16);  // TODO(deanm): Stricter parsing.
-            if (!(iv >= 0 && iv <= 0xffffff)) {
-                return {};  // Covers NaN.
-            } else {
-                return {
-                    static_cast<uint8_t>((iv & 0xff0000) >> 16),
-                    static_cast<uint8_t>((iv & 0xff00) >> 8),
-                    static_cast<uint8_t>(iv & 0xff),
-                    1
-                };
-            }
-        }
-
-        return {};
-    }
-
-    size_t op = str.find_first_of('('), ep = str.find_first_of(')');
-    if (op != -1 && ep + 1 == str.length()) {
-        const std::string fname = str.substr(0, op);
-        const std::vector<std::string> params = split(str.substr(op + 1, ep - (op + 1)), ',');
-        float alpha = 1.0f;  // To allow case fallthrough.
-
-        if (fname == "rgba" || fname == "rgb") {
-            if (fname == "rgba") {
-                if (params.size() != 4) {
-                    return {};
-                }
-                alpha = parse_css_float(params.back());
-            } else {
-                if (params.size() != 3) {
-                    return {};
-                }
-            }
-
-            return {
-                parse_css_int(params[0]),
-                parse_css_int(params[1]),
-                parse_css_int(params[2]),
-                alpha
-            };
-
-        } else if (fname == "hsla" || fname == "hsl") {
-            if (fname == "hsla") {
-                if (params.size() != 4) {
-                    return {};
-                }
-                alpha = parse_css_float(params.back());
-            } else {
-                if (params.size() != 3) {
-                    return {};
-                }
-            }
-
-            float h = parseFloat(params[0]) / 360;
-            while (h < 0) h++;
-            while (h > 1) h--;
-
-            // NOTE(deanm): According to the CSS spec s/l should only be
-            // percentages, but we don't bother and let float or percentage.
-            float s = parse_css_float(params[1]);
-            float l = parse_css_float(params[2]);
-            float m2 = l <= 0.5 ? l * (s + 1) : l + s - l * s;
-            float m1 = l * 2 - m2;
-            return {
-                clamp_css_byte(css_hue_to_rgb(m1, m2, h + 1 / 3) * 255),
-                clamp_css_byte(css_hue_to_rgb(m1, m2, h) * 255),
-                clamp_css_byte(css_hue_to_rgb(m1, m2, h - 1 / 3) * 255),
-                alpha
-            };
-        }
-    }
-
-    return {};
-}