Initial commit. Added base of framework

sdl_helpers.cpp

@@ -0,0 +1,76 @@
+#include "sdl_helpers.h"
+
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+
+#include <map>
+#include <utility>
+
+#include <stdio.h>
+
+using namespace std;
+
+map<pair<string, int>, TTF_Font*> font_map;
+
+bool init_sdl()
+{
+	if (SDL_Init(SDL_INIT_VIDEO) < 0)
+	{
+		printf("SDL could not initialize! SDL - %s\n", SDL_GetError());
+		return false;
+	}
+
+	if (0 != TTF_Init())
+	{
+		printf("Could not init TTF! SDL - %s\n", SDL_GetError());
+		SDL_Quit();
+		return false;
+	}
+
+	int img_flags = IMG_Init(IMG_INIT_JPG | IMG_INIT_PNG | IMG_INIT_TIF);
+	if (img_flags != (IMG_INIT_JPG | IMG_INIT_PNG | IMG_INIT_TIF))
+	{
+		printf("Could not init IMG! SDL - %s\n", SDL_GetError());
+		TTF_Quit();
+		SDL_Quit();
+		return false;
+	}
+
+	return true;
+}
+
+void clean_sdl()
+{
+	// Clean up all fonts
+	for (auto it = font_map.begin(); it != font_map.end(); ++it)
+	{
+		TTF_CloseFont(it->second);
+	}
+	font_map.clear();
+
+	IMG_Quit();
+	TTF_Quit();
+	SDL_Quit();
+}
+
+TTF_Font* get_font(const string& filename, int size)
+{
+	pair<string, int> key(filename, size);
+	if (0 != font_map.count(key))
+	{
+		return font_map[key];
+	}
+	else
+	{
+		TTF_Font* font = TTF_OpenFont(filename.c_str(), size);
+		if (nullptr != font)
+		{
+			font_map[key] = font;
+		}
+		else
+		{
+			printf("Could not open font '%s' with size %d\n", filename.c_str(), size);
+		}
+		return font;
+	}
+}