viz1090/font.c

#include "structs.h"
#include "SDL2/SDL2_rotozoom.h"

TTF_Font *loadFont(char *name, int size)
{
	TTF_Font *font = TTF_OpenFont(name, size);

	if (font == NULL)
	{
		printf("Failed to open Font %s: %s\n", name, TTF_GetError());

		exit(1);
	}

	return font;
}

void closeFont(TTF_Font *font)
{	
	if (font != NULL)
	{
		TTF_CloseFont(font);
	}
}

void drawString(char * text, int x, int y, TTF_Font *font, SDL_Color color)
{
    if(!strlen(text)) {	
    	return;
    }

	SDL_Surface *surface;
	SDL_Rect dest;

	surface = TTF_RenderUTF8_Solid(font, text, color);

	if (surface == NULL)
	{
		printf("Couldn't create String %s: %s\n", text, SDL_GetError());

		return;
	}
	
	dest.x = x;
	dest.y = y;
	dest.w = surface->w;
	dest.h = surface->h;

	SDL_Texture *texture = SDL_CreateTextureFromSurface(appData.renderer, surface);
	SDL_RenderCopy(appData.renderer, texture, NULL, &dest);
	SDL_DestroyTexture(texture);
	SDL_FreeSurface(surface);
}

void drawStringBG(char * text, int x, int y, TTF_Font *font, SDL_Color color, SDL_Color bgColor) {
    if(!strlen(text)) {	
    	return;
    }
    	
	SDL_Surface *surface;
	SDL_Rect dest;

	surface = TTF_RenderUTF8_Shaded(font, text, color, bgColor);

	if (surface == NULL)
	{
		printf("Couldn't create String %s: %s\n", text, SDL_GetError());

		return;
	}
	
	/* Blit the entire surface to the screen */

	dest.x = x;
	dest.y = y;
	dest.w = surface->w;
	dest.h = surface->h;

	SDL_Texture *texture = SDL_CreateTextureFromSurface(appData.renderer, surface);
	SDL_RenderCopy(appData.renderer, texture, NULL, &dest);
	SDL_DestroyTexture(texture);
	SDL_FreeSurface(surface);
}