SVGElement.h

#ifndef SVGElEMENT_H
#define SVGElEMENT_H

#include "LinearGradient.h"
#include "objidl.h"
#include "stdafx.h"
#include <gdiplus.h>
#include <iostream>
#include <vector>

using namespace std;
using namespace Gdiplus;

class SVGElement {
private:
  string name;

public:
  SVGElement(const string &name) : name(name) {}
  virtual void render(Graphics &graphic, vector<LinearGradient> gradients) = 0;
  virtual ~SVGElement() = default;
  virtual string getTransform() = 0;
};

std::unordered_map<std::string, Gdiplus::Color> colorMap = {
    {"red", Gdiplus::Color(255, 255, 0, 0)},
    {"green", Gdiplus::Color(255, 0, 255, 0)},
    {"blue", Gdiplus::Color(255, 0, 0, 255)},
    {"yellow", Gdiplus::Color(255, 255, 255, 0)},
    {"cyan", Gdiplus::Color(255, 0, 255, 255)},
    {"magenta", Gdiplus::Color(255, 255, 0, 255)},
    {"black", Gdiplus::Color(255, 0, 0, 0)},
    {"white", Gdiplus::Color(255, 255, 255, 255)},
    {"gray", Gdiplus::Color(255, 128, 128, 128)},
    {"orange", Gdiplus::Color(255, 255, 165, 0)},
    {"darkslategray", Gdiplus::Color(255, 47, 79, 79)},
    {"midnightblue", Gdiplus::Color(255, 25, 25, 112)},
    {"blueviolet", Gdiplus::Color(255, 138, 43, 226)},
    {"navy", Gdiplus::Color(255, 0, 0, 128)},
    {"grey", Gdiplus::Color(255, 128, 128, 128)},
    {"skyblue", Gdiplus::Color(255, 135, 206, 235)},
    {"darkmagenta", Gdiplus::Color(255, 139, 0, 139)},
    {"deepskyblue", Gdiplus::Color(255, 0, 191, 255)},
    {"purple", Gdiplus::Color(255, 160, 32, 240)},
    {"lightcoral", Gdiplus::Color(240, 128, 128)},
    {"saddlebrown", Gdiplus::Color(139, 45, 13)}};

Color hexatoRGB(string hex) {
  // Check if the hex string is 4 characters long (including the '#')
  if (hex.length() == 4) {
    // Expand the 3-character shorthand to 6 characters
    string expandedHex = "#" + string(1, hex[1]) + string(1, hex[1]) +
                         string(1, hex[2]) + string(1, hex[2]) +
                         string(1, hex[3]) + string(1, hex[3]);
    hex = expandedHex;
  }

  int r, g, b;
  sscanf_s(hex.c_str(), "#%02x%02x%02x", &r, &g, &b);

  return Color(r, g, b);
}

Color stoc(string rgb) {
  if (rgb == "none") {
    return Color(255, 255, 255);
  }
  if (rgb[0] == '#') {
    return hexatoRGB(rgb);
  }

  string check = rgb.substr(0, 3);
  if (check != "rgb") {
    auto it = colorMap.find(rgb);
    if (it != colorMap.end()) {
      return it->second;
    } else {
      return Color(255, 255, 255);
    }
  }

  int r, g, b;
  sscanf_s(rgb.c_str(), "rgb(%d, %d, %d)", &r, &g, &b);
  if (r > 255) {
    r = 255;
  }
  if (g > 255) {
    g = 255;
  }
  if (b > 255) {
    b = 255;
  }
  return Color(r, g, b);
}

// "url(#fill0)" => "fill0"
string extractID(string id) {
  int pos = id.find("#");
  int end = id.find(")");
  return id.substr(pos + 1, end - pos - 1);
}

#endif