tobid7
fc8291555e
- Use Font in Static text for rerendering if the font changed ### TODO: Detect reloading the current font - Updated License notice in all Files
72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/*
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MIT License
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Copyright (c) 2024 - 2025 tobid7
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <pd/maths/color.hpp>
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namespace PD {
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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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#ifdef PD_NO_SAFE_CODE
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/// Safetey check (not required if you programm 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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m_r = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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offset += 2;
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m_g = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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offset += 2;
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m_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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m_a = HEX_DEC.at(hex[offset]) * 16 + HEX_DEC.at(hex[offset + 1]);
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} else {
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m_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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std::stringstream s;
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s << "#";
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s << std::hex << std::setw(2) << std::setfill('0') << m_r;
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s << std::hex << std::setw(2) << std::setfill('0') << m_g;
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s << std::hex << std::setw(2) << std::setfill('0') << m_b;
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if (rgba) {
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s << std::hex << std::setw(2) << std::setfill('0') << m_a;
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}
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return s.str();
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}
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} // namespace PD
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