text.cpp

#include "text.h"
#include "window.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>

TTF_Font* font;

#define FONT_NAME "nerdfont.otf"

SDL_Color White = {255, 255, 255};
SDL_Color Gray = {200, 200, 200};
SDL_Color Red = {255, 0, 0};
SDL_Color Cyan = {255, 0, 255};
SDL_Color Yellow = {255, 255, 0};

char status_line[256];
int status_code;

int load_font()
{
     struct stat statbuf;
    int ret;
    ret = stat(FONT_NAME, &statbuf);
    if (ret) 
    {
        printf("load_font(%s): %s\n", FONT_NAME, strerror(errno));
        return 1;
    }
    font = TTF_OpenFont(FONT_NAME, 128);
    if (!(font)) return 1;
    else return 0;
}

void write_text(int x, int y, const char * text, SDL_Color color, int scale_x, int scale_y)
{
    SDL_Surface* surface;
	surface = TTF_RenderText_Solid(font, text, color);
    SDL_Texture* text_sdl = SDL_CreateTextureFromSurface(renderer, surface);

    int window_width;
    int window_height;
    SDL_GetWindowSize(main_window, &window_width, &window_height); 

    int game_size;
    
	if (window_width < window_height)
    {
        game_size = window_width;
	} else {
		game_size = window_height;
	}
    
	int x_size, y_size;
    x_size = strlen(text) * (scale_x ?  scale_x : game_size/25);
    y_size = scale_y ? scale_y : game_size/10;

    SDL_Rect rect = {x, y, x_size, y_size};
    SDL_RenderCopy(renderer, text_sdl, NULL, &rect);
    SDL_FreeSurface(surface);
    SDL_DestroyTexture(text_sdl);
}