Add text and rendering of color rectangles

sdlpp.cpp

@@ -12,6 +12,10 @@ bool SDLPP::init() {
         std::cerr << "SDL_image could not initialize! SDL_image Error: " <<  IMG_GetError() << std::endl;
         return false;
     }
+    if( TTF_Init() == -1 ) {
+        std::cerr << "SDL_ttf could not initialize! SDL_ttf Error: " << TTF_GetError() << std::endl;
+        return false;
+    }
     return true;
 }
 
@@ -132,13 +136,33 @@ int SDLPP::hex2num(char c) {
     }
 }
 
-std::tuple<int, int, int> SDLPP::getColorsHEX(const std::string &color) {
-    int red = 0, green = 0, blue = 0;
+std::tuple<int, int, int, int> SDLPP::getColorsHEX(const std::string &color) {
+    int red = 0, green = 0, blue = 0, alpha = 255;
     const char *color_ptr = color.c_str();
     if(color_ptr[0] == '#')
         color_ptr++;
     red = hex2num(color_ptr[0])*16 + hex2num(color_ptr[1]);
     green = hex2num(color_ptr[2])*16 + hex2num(color_ptr[3]);
     blue = hex2num(color_ptr[4])*16 + hex2num(color_ptr[5]);
-    return {red, green, blue};
+    if( color_ptr[6] != '\0' )
+        alpha = hex2num(color_ptr[6])*16 + hex2num(color_ptr[7]);
+    return {red, green, blue, alpha};
+}
+
+SDL_Color SDLPP::getSDLColorTuple(const std::tuple<int, int, int, int> &tuple) {
+    SDL_Color ret_color{};
+    ret_color.r = std::get<0>(tuple);
+    ret_color.g = std::get<1>(tuple);
+    ret_color.b = std::get<2>(tuple);
+    ret_color.a = std::get<3>(tuple);
+    return ret_color;
+}
+
+SDL_Color SDLPP::getSDLColorHEX(const std::string &color) {
+    auto color_tuple = SDLPP::getColorsHEX(color);
+    return getSDLColorTuple(color_tuple);
+}
+
+std::tuple<int, int, int, int> SDLPP::getColorsSDLColor(const SDL_Color &color) {
+    return {color.r, color.g, color.b, color.a};
 }