tobid7
28d2e291b3
Add Palladium Unique and Shared defs Make stb_image an internal dependency Start some work on font loader
50 lines
1.8 KiB
C++
50 lines
1.8 KiB
C++
#include <amethyst/color.hpp>
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namespace Amy {
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// The Solution of the biggest performance issue
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// A Simple Lookup table
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static const std::map<char, int> HEX_DEC = {
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{'0', 0}, {'1', 1}, {'2', 2}, {'3', 3}, {'4', 4}, {'5', 5},
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{'6', 6}, {'7', 7}, {'8', 8}, {'9', 9}, {'a', 10}, {'b', 11},
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{'c', 12}, {'d', 13}, {'e', 14}, {'f', 15}, {'A', 10}, {'B', 11},
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{'C', 12}, {'D', 13}, {'E', 14}, {'F', 15}};
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Color& Color::Hex(const std::string& hex) {
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// zu dumm nen safetey check zu schreiben wadafuk
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/**#ifndef AMY_GOD_DEV
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/// Safetey check (not required if you just program well xd)
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if (hex.length() != 7 || hex.length() != 9 || hex.length() != 6 ||
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hex.length() != 8 || std::find_if(hex.begin(), hex.end(), [](char c) {
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return !std::isxdigit(c);
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}) != hex.end()) {
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return *this;
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}
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#endif*/
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int offset = ((hex.length() == 7 || hex.length() == 9) ? 1 : 0);
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r = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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offset += 2;
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g = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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offset += 2;
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b = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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offset += 2;
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if (hex.length() == 9) {
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a = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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} else {
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a = 255;
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}
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return *this;
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}
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std::string Color::Hex(bool rgba) const {
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/** Need to int cast (so it is used as num and not char...) */
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std::stringstream s;
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s << "#";
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s << std::hex << std::setw(2) << std::setfill('0') << (int)r;
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s << std::hex << std::setw(2) << std::setfill('0') << (int)g;
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s << std::hex << std::setw(2) << std::setfill('0') << (int)b;
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if (rgba) {
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s << std::hex << std::setw(2) << std::setfill('0') << (int)a;
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}
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return s.str();
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}
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} // namespace Amy
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