Texto carga lazy.

Texto.cpp

 #include "Texto.h"
+#include <SDL2/SDL_ttf.h>
+#include <stdexcept>
 
 SDL_Texture *Texto::get_textura(SDL_Renderer *renderer) {
 	if (texture == nullptr) {
@@ -7,6 +9,16 @@ SDL_Texture *Texto::get_textura(SDL_Renderer *renderer) {
 	return texture;
 }
 
+SDL_Surface *Texto::get_surface() {
+	if (surface == nullptr) {
+		surface = TTF_RenderUTF8_Solid(*fuente, text, fg);
+		if (surface == nullptr) {
+			throw std::runtime_error(SDL_GetError());
+		}
+	}
+	return surface;
+}
+
 void Texto::renderizar(SDL_Renderer *renderer, int x, int y, int tamx, int tamy) {
 	texture = get_textura(renderer);
 

Texto.h

@@ -7,15 +7,20 @@
 #include <SDL2/SDL_ttf.h>
 
 class Texto {
-	SDL_Surface *surface;
+	Fuente fuente;
+	const char *text;
+	SDL_Color fg;
+
+	SDL_Surface *surface = nullptr;
 
 	SDL_Texture *texture = nullptr;
 
 	SDL_Texture *get_textura(SDL_Renderer *renderer);
+
+	SDL_Surface *get_surface();
 public:
-	Texto(Fuente &fuente, const char *texto, SDL_Color fg) {
-		surface = TTF_RenderUTF8_Solid(*fuente, texto, fg);
-	};
+	Texto(Fuente &fuente, const char *texto, SDL_Color fg) : 
+		fuente(fuente), text(texto), fg(fg) {};
 
 	void renderizar(SDL_Renderer *Renderer, int x, int y, int tamx, int tamy);
 

makefile

@@ -10,7 +10,7 @@ objs = $(code_files_in_obj:.cpp=.o)
 deps = $(code_files_in_obj:.cpp=.d)
 
 link_flags = -lSDL2 -lSDL2_image -lSDL2_ttf -lSDL2_mixer
-compile_flags = -w $(link_flags)
+compile_flags = -w $(link_flags) -g
 
 $(bin): $(objs)
 	$(CC) $(objs) $(compile_flags) -o $@