forked from Mirrorlandia_minetest/minetest
Add minetest.colorspec_to_colorstring (#10425)
This commit is contained in:
Vincent Robinson
GitHub
parent
3e2145d662
commit
074e6a67de
@ -651,6 +651,9 @@ Minetest namespace reference
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* `minetest.sha1(data, [raw])`: returns the sha1 hash of data
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* `data`: string of data to hash
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* `raw`: return raw bytes instead of hex digits, default: false
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* `minetest.colorspec_to_colorstring(colorspec)`: Converts a ColorSpec to a
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ColorString. If the ColorSpec is invalid, returns `nil`.
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* `colorspec`: The ColorSpec to convert
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* `minetest.get_csm_restrictions()`: returns a table of `Flags` indicating the
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restrictions applied to the current mod.
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* If a flag in this table is set to true, the feature is RESTRICTED.
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@ -1348,9 +1351,8 @@ The following functions provide escape sequences:
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Named colors are also supported and are equivalent to
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[CSS Color Module Level 4](http://dev.w3.org/csswg/css-color/#named-colors).
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To specify the value of the alpha channel, append `#AA` to the end of the color name
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(e.g. `colorname#08`). For named colors the hexadecimal string representing the alpha
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value must (always) be two hexadecimal digits.
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To specify the value of the alpha channel, append `#A` or `#AA` to the end of
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the color name (e.g. `colorname#08`).
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`Color`
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-------------
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@ -3100,9 +3100,8 @@ Colors
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Named colors are also supported and are equivalent to
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[CSS Color Module Level 4](http://dev.w3.org/csswg/css-color/#named-colors).
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To specify the value of the alpha channel, append `#AA` to the end of the color
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name (e.g. `colorname#08`). For named colors the hexadecimal string
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representing the alpha value must (always) be two hexadecimal digits.
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To specify the value of the alpha channel, append `#A` or `#AA` to the end of
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the color name (e.g. `colorname#08`).
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`ColorSpec`
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-----------
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@ -4489,6 +4488,9 @@ Utilities
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* `minetest.sha1(data, [raw])`: returns the sha1 hash of data
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* `data`: string of data to hash
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* `raw`: return raw bytes instead of hex digits, default: false
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* `minetest.colorspec_to_colorstring(colorspec)`: Converts a ColorSpec to a
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ColorString. If the ColorSpec is invalid, returns `nil`.
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* `colorspec`: The ColorSpec to convert
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Logging
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-------
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@ -17,6 +17,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "irrlichttypes_extrabloated.h"
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#include "lua_api/l_util.h"
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#include "lua_api/l_internal.h"
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#include "lua_api/l_settings.h"
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@ -40,7 +41,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include "util/hex.h"
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#include "util/sha1.h"
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#include <algorithm>
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#include <cstdio>
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// log([level,] text)
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// Writes a line to the logger.
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@ -479,6 +480,23 @@ int ModApiUtil::l_sha1(lua_State *L)
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return 1;
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}
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// colorspec_to_colorstring(colorspec)
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int ModApiUtil::l_colorspec_to_colorstring(lua_State *L)
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{
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NO_MAP_LOCK_REQUIRED;
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video::SColor color(0);
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if (read_color(L, 1, &color)) {
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char colorstring[10];
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snprintf(colorstring, 10, "#%02X%02X%02X%02X",
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color.getRed(), color.getGreen(), color.getBlue(), color.getAlpha());
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lua_pushstring(L, colorstring);
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return 1;
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}
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return 0;
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}
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void ModApiUtil::Initialize(lua_State *L, int top)
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{
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API_FCT(log);
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@ -513,6 +531,7 @@ void ModApiUtil::Initialize(lua_State *L, int top)
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API_FCT(get_version);
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API_FCT(sha1);
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API_FCT(colorspec_to_colorstring);
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LuaSettings::create(L, g_settings, g_settings_path);
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lua_setfield(L, top, "settings");
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@ -537,6 +556,7 @@ void ModApiUtil::InitializeClient(lua_State *L, int top)
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API_FCT(get_version);
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API_FCT(sha1);
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API_FCT(colorspec_to_colorstring);
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}
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void ModApiUtil::InitializeAsync(lua_State *L, int top)
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@ -564,8 +584,8 @@ void ModApiUtil::InitializeAsync(lua_State *L, int top)
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API_FCT(get_version);
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API_FCT(sha1);
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API_FCT(colorspec_to_colorstring);
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LuaSettings::create(L, g_settings, g_settings_path);
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lua_setfield(L, top, "settings");
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}
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@ -101,6 +101,9 @@ private:
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// sha1(string, raw)
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static int l_sha1(lua_State *L);
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// colorspec_to_colorstring(colorspec)
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static int l_colorspec_to_colorstring(lua_State *L);
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public:
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static void Initialize(lua_State *L, int top);
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static void InitializeAsync(lua_State *L, int top);
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@ -30,7 +30,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#include <array>
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#include <sstream>
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#include <iomanip>
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#include <map>
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#include <unordered_map>
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#ifndef _WIN32
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#include <iconv.h>
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@ -44,10 +44,6 @@ with this program; if not, write to the Free Software Foundation, Inc.,
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#define BSD_ICONV_USED
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#endif
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static bool parseHexColorString(const std::string &value, video::SColor &color,
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unsigned char default_alpha = 0xff);
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static bool parseNamedColorString(const std::string &value, video::SColor &color);
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#ifndef _WIN32
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static bool convert(const char *to, const char *from, char *outbuf,
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@ -324,29 +320,10 @@ u64 read_seed(const char *str)
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return num;
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}
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bool parseColorString(const std::string &value, video::SColor &color, bool quiet,
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unsigned char default_alpha)
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{
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bool success;
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if (value[0] == '#')
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success = parseHexColorString(value, color, default_alpha);
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else
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success = parseNamedColorString(value, color);
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if (!success && !quiet)
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errorstream << "Invalid color: \"" << value << "\"" << std::endl;
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return success;
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}
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static bool parseHexColorString(const std::string &value, video::SColor &color,
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unsigned char default_alpha)
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{
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unsigned char components[] = { 0x00, 0x00, 0x00, default_alpha }; // R,G,B,A
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if (value[0] != '#')
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return false;
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u8 components[] = {0x00, 0x00, 0x00, default_alpha}; // R,G,B,A
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size_t len = value.size();
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bool short_form;
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@ -358,198 +335,182 @@ static bool parseHexColorString(const std::string &value, video::SColor &color,
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else
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return false;
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bool success = true;
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for (size_t pos = 1, cc = 0; pos < len; pos++, cc++) {
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assert(cc < sizeof components / sizeof components[0]);
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if (short_form) {
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unsigned char d;
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if (!hex_digit_decode(value[pos], d)) {
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success = false;
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break;
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}
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u8 d;
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if (!hex_digit_decode(value[pos], d))
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return false;
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components[cc] = (d & 0xf) << 4 | (d & 0xf);
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} else {
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unsigned char d1, d2;
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u8 d1, d2;
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if (!hex_digit_decode(value[pos], d1) ||
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!hex_digit_decode(value[pos+1], d2)) {
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success = false;
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break;
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}
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!hex_digit_decode(value[pos+1], d2))
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return false;
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components[cc] = (d1 & 0xf) << 4 | (d2 & 0xf);
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pos++; // skip the second digit -- it's already used
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}
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}
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if (success) {
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color.setRed(components[0]);
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color.setGreen(components[1]);
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color.setBlue(components[2]);
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color.setAlpha(components[3]);
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return true;
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}
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return success;
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}
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struct ColorContainer {
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ColorContainer();
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std::map<const std::string, u32> colors;
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const static std::unordered_map<std::string, u32> s_named_colors = {
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{"aliceblue", 0xf0f8ff},
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{"antiquewhite", 0xfaebd7},
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{"aqua", 0x00ffff},
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{"aquamarine", 0x7fffd4},
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{"azure", 0xf0ffff},
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{"beige", 0xf5f5dc},
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{"bisque", 0xffe4c4},
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{"black", 00000000},
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{"blanchedalmond", 0xffebcd},
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{"blue", 0x0000ff},
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{"blueviolet", 0x8a2be2},
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{"brown", 0xa52a2a},
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{"burlywood", 0xdeb887},
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{"cadetblue", 0x5f9ea0},
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{"chartreuse", 0x7fff00},
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{"chocolate", 0xd2691e},
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{"coral", 0xff7f50},
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{"cornflowerblue", 0x6495ed},
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{"cornsilk", 0xfff8dc},
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{"crimson", 0xdc143c},
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{"cyan", 0x00ffff},
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{"darkblue", 0x00008b},
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{"darkcyan", 0x008b8b},
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{"darkgoldenrod", 0xb8860b},
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{"darkgray", 0xa9a9a9},
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{"darkgreen", 0x006400},
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{"darkgrey", 0xa9a9a9},
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{"darkkhaki", 0xbdb76b},
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{"darkmagenta", 0x8b008b},
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{"darkolivegreen", 0x556b2f},
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{"darkorange", 0xff8c00},
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{"darkorchid", 0x9932cc},
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{"darkred", 0x8b0000},
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{"darksalmon", 0xe9967a},
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{"darkseagreen", 0x8fbc8f},
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{"darkslateblue", 0x483d8b},
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{"darkslategray", 0x2f4f4f},
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{"darkslategrey", 0x2f4f4f},
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{"darkturquoise", 0x00ced1},
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{"darkviolet", 0x9400d3},
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{"deeppink", 0xff1493},
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{"deepskyblue", 0x00bfff},
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{"dimgray", 0x696969},
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{"dimgrey", 0x696969},
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{"dodgerblue", 0x1e90ff},
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{"firebrick", 0xb22222},
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{"floralwhite", 0xfffaf0},
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{"forestgreen", 0x228b22},
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{"fuchsia", 0xff00ff},
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{"gainsboro", 0xdcdcdc},
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{"ghostwhite", 0xf8f8ff},
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{"gold", 0xffd700},
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{"goldenrod", 0xdaa520},
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{"gray", 0x808080},
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{"green", 0x008000},
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{"greenyellow", 0xadff2f},
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{"grey", 0x808080},
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{"honeydew", 0xf0fff0},
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{"hotpink", 0xff69b4},
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{"indianred", 0xcd5c5c},
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{"indigo", 0x4b0082},
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{"ivory", 0xfffff0},
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{"khaki", 0xf0e68c},
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{"lavender", 0xe6e6fa},
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{"lavenderblush", 0xfff0f5},
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{"lawngreen", 0x7cfc00},
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{"lemonchiffon", 0xfffacd},
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{"lightblue", 0xadd8e6},
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{"lightcoral", 0xf08080},
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{"lightcyan", 0xe0ffff},
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{"lightgoldenrodyellow", 0xfafad2},
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{"lightgray", 0xd3d3d3},
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{"lightgreen", 0x90ee90},
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{"lightgrey", 0xd3d3d3},
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{"lightpink", 0xffb6c1},
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{"lightsalmon", 0xffa07a},
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{"lightseagreen", 0x20b2aa},
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{"lightskyblue", 0x87cefa},
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{"lightslategray", 0x778899},
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{"lightslategrey", 0x778899},
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{"lightsteelblue", 0xb0c4de},
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{"lightyellow", 0xffffe0},
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{"lime", 0x00ff00},
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{"limegreen", 0x32cd32},
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{"linen", 0xfaf0e6},
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{"magenta", 0xff00ff},
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{"maroon", 0x800000},
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{"mediumaquamarine", 0x66cdaa},
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{"mediumblue", 0x0000cd},
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{"mediumorchid", 0xba55d3},
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{"mediumpurple", 0x9370db},
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{"mediumseagreen", 0x3cb371},
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{"mediumslateblue", 0x7b68ee},
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{"mediumspringgreen", 0x00fa9a},
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{"mediumturquoise", 0x48d1cc},
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{"mediumvioletred", 0xc71585},
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{"midnightblue", 0x191970},
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{"mintcream", 0xf5fffa},
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{"mistyrose", 0xffe4e1},
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{"moccasin", 0xffe4b5},
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{"navajowhite", 0xffdead},
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{"navy", 0x000080},
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{"oldlace", 0xfdf5e6},
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{"olive", 0x808000},
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{"olivedrab", 0x6b8e23},
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{"orange", 0xffa500},
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{"orangered", 0xff4500},
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{"orchid", 0xda70d6},
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{"palegoldenrod", 0xeee8aa},
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{"palegreen", 0x98fb98},
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{"paleturquoise", 0xafeeee},
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{"palevioletred", 0xdb7093},
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{"papayawhip", 0xffefd5},
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{"peachpuff", 0xffdab9},
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{"peru", 0xcd853f},
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{"pink", 0xffc0cb},
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{"plum", 0xdda0dd},
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{"powderblue", 0xb0e0e6},
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{"purple", 0x800080},
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{"red", 0xff0000},
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{"rosybrown", 0xbc8f8f},
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{"royalblue", 0x4169e1},
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{"saddlebrown", 0x8b4513},
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{"salmon", 0xfa8072},
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{"sandybrown", 0xf4a460},
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{"seagreen", 0x2e8b57},
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{"seashell", 0xfff5ee},
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{"sienna", 0xa0522d},
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{"silver", 0xc0c0c0},
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{"skyblue", 0x87ceeb},
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{"slateblue", 0x6a5acd},
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{"slategray", 0x708090},
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{"slategrey", 0x708090},
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{"snow", 0xfffafa},
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{"springgreen", 0x00ff7f},
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{"steelblue", 0x4682b4},
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{"tan", 0xd2b48c},
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{"teal", 0x008080},
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{"thistle", 0xd8bfd8},
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{"tomato", 0xff6347},
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{"turquoise", 0x40e0d0},
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{"violet", 0xee82ee},
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{"wheat", 0xf5deb3},
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{"white", 0xffffff},
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{"whitesmoke", 0xf5f5f5},
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{"yellow", 0xffff00},
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{"yellowgreen", 0x9acd32}
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};
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ColorContainer::ColorContainer()
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{
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colors["aliceblue"] = 0xf0f8ff;
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colors["antiquewhite"] = 0xfaebd7;
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colors["aqua"] = 0x00ffff;
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colors["aquamarine"] = 0x7fffd4;
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colors["azure"] = 0xf0ffff;
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colors["beige"] = 0xf5f5dc;
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colors["bisque"] = 0xffe4c4;
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colors["black"] = 00000000;
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colors["blanchedalmond"] = 0xffebcd;
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colors["blue"] = 0x0000ff;
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colors["blueviolet"] = 0x8a2be2;
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colors["brown"] = 0xa52a2a;
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colors["burlywood"] = 0xdeb887;
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colors["cadetblue"] = 0x5f9ea0;
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colors["chartreuse"] = 0x7fff00;
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colors["chocolate"] = 0xd2691e;
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colors["coral"] = 0xff7f50;
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colors["cornflowerblue"] = 0x6495ed;
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colors["cornsilk"] = 0xfff8dc;
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colors["crimson"] = 0xdc143c;
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colors["cyan"] = 0x00ffff;
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colors["darkblue"] = 0x00008b;
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colors["darkcyan"] = 0x008b8b;
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colors["darkgoldenrod"] = 0xb8860b;
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colors["darkgray"] = 0xa9a9a9;
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colors["darkgreen"] = 0x006400;
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colors["darkgrey"] = 0xa9a9a9;
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colors["darkkhaki"] = 0xbdb76b;
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colors["darkmagenta"] = 0x8b008b;
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colors["darkolivegreen"] = 0x556b2f;
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colors["darkorange"] = 0xff8c00;
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colors["darkorchid"] = 0x9932cc;
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colors["darkred"] = 0x8b0000;
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colors["darksalmon"] = 0xe9967a;
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colors["darkseagreen"] = 0x8fbc8f;
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colors["darkslateblue"] = 0x483d8b;
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colors["darkslategray"] = 0x2f4f4f;
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colors["darkslategrey"] = 0x2f4f4f;
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colors["darkturquoise"] = 0x00ced1;
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colors["darkviolet"] = 0x9400d3;
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colors["deeppink"] = 0xff1493;
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colors["deepskyblue"] = 0x00bfff;
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colors["dimgray"] = 0x696969;
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colors["dimgrey"] = 0x696969;
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colors["dodgerblue"] = 0x1e90ff;
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colors["firebrick"] = 0xb22222;
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colors["floralwhite"] = 0xfffaf0;
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colors["forestgreen"] = 0x228b22;
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colors["fuchsia"] = 0xff00ff;
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colors["gainsboro"] = 0xdcdcdc;
|
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colors["ghostwhite"] = 0xf8f8ff;
|
||||
colors["gold"] = 0xffd700;
|
||||
colors["goldenrod"] = 0xdaa520;
|
||||
colors["gray"] = 0x808080;
|
||||
colors["green"] = 0x008000;
|
||||
colors["greenyellow"] = 0xadff2f;
|
||||
colors["grey"] = 0x808080;
|
||||
colors["honeydew"] = 0xf0fff0;
|
||||
colors["hotpink"] = 0xff69b4;
|
||||
colors["indianred"] = 0xcd5c5c;
|
||||
colors["indigo"] = 0x4b0082;
|
||||
colors["ivory"] = 0xfffff0;
|
||||
colors["khaki"] = 0xf0e68c;
|
||||
colors["lavender"] = 0xe6e6fa;
|
||||
colors["lavenderblush"] = 0xfff0f5;
|
||||
colors["lawngreen"] = 0x7cfc00;
|
||||
colors["lemonchiffon"] = 0xfffacd;
|
||||
colors["lightblue"] = 0xadd8e6;
|
||||
colors["lightcoral"] = 0xf08080;
|
||||
colors["lightcyan"] = 0xe0ffff;
|
||||
colors["lightgoldenrodyellow"] = 0xfafad2;
|
||||
colors["lightgray"] = 0xd3d3d3;
|
||||
colors["lightgreen"] = 0x90ee90;
|
||||
colors["lightgrey"] = 0xd3d3d3;
|
||||
colors["lightpink"] = 0xffb6c1;
|
||||
colors["lightsalmon"] = 0xffa07a;
|
||||
colors["lightseagreen"] = 0x20b2aa;
|
||||
colors["lightskyblue"] = 0x87cefa;
|
||||
colors["lightslategray"] = 0x778899;
|
||||
colors["lightslategrey"] = 0x778899;
|
||||
colors["lightsteelblue"] = 0xb0c4de;
|
||||
colors["lightyellow"] = 0xffffe0;
|
||||
colors["lime"] = 0x00ff00;
|
||||
colors["limegreen"] = 0x32cd32;
|
||||
colors["linen"] = 0xfaf0e6;
|
||||
colors["magenta"] = 0xff00ff;
|
||||
colors["maroon"] = 0x800000;
|
||||
colors["mediumaquamarine"] = 0x66cdaa;
|
||||
colors["mediumblue"] = 0x0000cd;
|
||||
colors["mediumorchid"] = 0xba55d3;
|
||||
colors["mediumpurple"] = 0x9370db;
|
||||
colors["mediumseagreen"] = 0x3cb371;
|
||||
colors["mediumslateblue"] = 0x7b68ee;
|
||||
colors["mediumspringgreen"] = 0x00fa9a;
|
||||
colors["mediumturquoise"] = 0x48d1cc;
|
||||
colors["mediumvioletred"] = 0xc71585;
|
||||
colors["midnightblue"] = 0x191970;
|
||||
colors["mintcream"] = 0xf5fffa;
|
||||
colors["mistyrose"] = 0xffe4e1;
|
||||
colors["moccasin"] = 0xffe4b5;
|
||||
colors["navajowhite"] = 0xffdead;
|
||||
colors["navy"] = 0x000080;
|
||||
colors["oldlace"] = 0xfdf5e6;
|
||||
colors["olive"] = 0x808000;
|
||||
colors["olivedrab"] = 0x6b8e23;
|
||||
colors["orange"] = 0xffa500;
|
||||
colors["orangered"] = 0xff4500;
|
||||
colors["orchid"] = 0xda70d6;
|
||||
colors["palegoldenrod"] = 0xeee8aa;
|
||||
colors["palegreen"] = 0x98fb98;
|
||||
colors["paleturquoise"] = 0xafeeee;
|
||||
colors["palevioletred"] = 0xdb7093;
|
||||
colors["papayawhip"] = 0xffefd5;
|
||||
colors["peachpuff"] = 0xffdab9;
|
||||
colors["peru"] = 0xcd853f;
|
||||
colors["pink"] = 0xffc0cb;
|
||||
colors["plum"] = 0xdda0dd;
|
||||
colors["powderblue"] = 0xb0e0e6;
|
||||
colors["purple"] = 0x800080;
|
||||
colors["red"] = 0xff0000;
|
||||
colors["rosybrown"] = 0xbc8f8f;
|
||||
colors["royalblue"] = 0x4169e1;
|
||||
colors["saddlebrown"] = 0x8b4513;
|
||||
colors["salmon"] = 0xfa8072;
|
||||
colors["sandybrown"] = 0xf4a460;
|
||||
colors["seagreen"] = 0x2e8b57;
|
||||
colors["seashell"] = 0xfff5ee;
|
||||
colors["sienna"] = 0xa0522d;
|
||||
colors["silver"] = 0xc0c0c0;
|
||||
colors["skyblue"] = 0x87ceeb;
|
||||
colors["slateblue"] = 0x6a5acd;
|
||||
colors["slategray"] = 0x708090;
|
||||
colors["slategrey"] = 0x708090;
|
||||
colors["snow"] = 0xfffafa;
|
||||
colors["springgreen"] = 0x00ff7f;
|
||||
colors["steelblue"] = 0x4682b4;
|
||||
colors["tan"] = 0xd2b48c;
|
||||
colors["teal"] = 0x008080;
|
||||
colors["thistle"] = 0xd8bfd8;
|
||||
colors["tomato"] = 0xff6347;
|
||||
colors["turquoise"] = 0x40e0d0;
|
||||
colors["violet"] = 0xee82ee;
|
||||
colors["wheat"] = 0xf5deb3;
|
||||
colors["white"] = 0xffffff;
|
||||
colors["whitesmoke"] = 0xf5f5f5;
|
||||
colors["yellow"] = 0xffff00;
|
||||
colors["yellowgreen"] = 0x9acd32;
|
||||
|
||||
}
|
||||
|
||||
static const ColorContainer named_colors;
|
||||
|
||||
static bool parseNamedColorString(const std::string &value, video::SColor &color)
|
||||
{
|
||||
std::string color_name;
|
||||
@ -570,9 +531,8 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color
|
||||
|
||||
color_name = lowercase(color_name);
|
||||
|
||||
std::map<const std::string, unsigned>::const_iterator it;
|
||||
it = named_colors.colors.find(color_name);
|
||||
if (it == named_colors.colors.end())
|
||||
auto it = s_named_colors.find(color_name);
|
||||
if (it == s_named_colors.end())
|
||||
return false;
|
||||
|
||||
u32 color_temp = it->second;
|
||||
@ -580,19 +540,24 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color
|
||||
/* An empty string for alpha is ok (none of the color table entries
|
||||
* have an alpha value either). Color strings without an alpha specified
|
||||
* are interpreted as fully opaque
|
||||
*
|
||||
* For named colors the supplied alpha string (representing a hex value)
|
||||
* must be exactly two digits. For example: colorname#08
|
||||
*/
|
||||
if (!alpha_string.empty()) {
|
||||
if (alpha_string.length() != 2)
|
||||
if (alpha_string.size() == 1) {
|
||||
u8 d;
|
||||
if (!hex_digit_decode(alpha_string[0], d))
|
||||
return false;
|
||||
|
||||
unsigned char d1, d2;
|
||||
if (!hex_digit_decode(alpha_string.at(0), d1)
|
||||
|| !hex_digit_decode(alpha_string.at(1), d2))
|
||||
color_temp |= ((d & 0xf) << 4 | (d & 0xf)) << 24;
|
||||
} else if (alpha_string.size() == 2) {
|
||||
u8 d1, d2;
|
||||
if (!hex_digit_decode(alpha_string[0], d1)
|
||||
|| !hex_digit_decode(alpha_string[1], d2))
|
||||
return false;
|
||||
|
||||
color_temp |= ((d1 & 0xf) << 4 | (d2 & 0xf)) << 24;
|
||||
} else {
|
||||
return false;
|
||||
}
|
||||
} else {
|
||||
color_temp |= 0xff << 24; // Fully opaque
|
||||
}
|
||||
@ -602,6 +567,22 @@ static bool parseNamedColorString(const std::string &value, video::SColor &color
|
||||
return true;
|
||||
}
|
||||
|
||||
bool parseColorString(const std::string &value, video::SColor &color, bool quiet,
|
||||
unsigned char default_alpha)
|
||||
{
|
||||
bool success;
|
||||
|
||||
if (value[0] == '#')
|
||||
success = parseHexColorString(value, color, default_alpha);
|
||||
else
|
||||
success = parseNamedColorString(value, color);
|
||||
|
||||
if (!success && !quiet)
|
||||
errorstream << "Invalid color: \"" << value << "\"" << std::endl;
|
||||
|
||||
return success;
|
||||
}
|
||||
|
||||
void str_replace(std::string &str, char from, char to)
|
||||
{
|
||||
std::replace(str.begin(), str.end(), from, to);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user