Created
September 12, 2018 18:59
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Exemplo usando SDL 2 com SDL_ttf usando renderer
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// Testado com MinGW64: | |
// gcc -Wall -Wextra -Wpedantic -Wno-unused-parameter test1.c `sdl2-config --cflags --libs` -lSDL2_ttf | |
#include <SDL.h> | |
#include <SDL_ttf.h> | |
SDL_Window *window; | |
SDL_Renderer *renderer; | |
TTF_Font *font; | |
#define MAX_LENGTH 1024 | |
void drawText(const char* fmt, ...) { | |
char buffer[MAX_LENGTH] = {0}; | |
va_list ap; | |
va_start (ap, fmt); | |
SDL_vsnprintf(buffer, MAX_LENGTH, fmt, ap); | |
va_end (ap); | |
SDL_Surface* text = TTF_RenderText_Solid(font, buffer, | |
(SDL_Color) { 255, 255, 255, 255 }); | |
SDL_Texture* textureText = SDL_CreateTextureFromSurface(renderer, text); | |
SDL_Rect dest = {0}; | |
SDL_QueryTexture(textureText, NULL, NULL, &dest.w, &dest.h); | |
SDL_FreeSurface(text); | |
SDL_RenderCopy(renderer, textureText, NULL, &dest); | |
SDL_DestroyTexture(textureText); | |
} | |
int main(int argc, char *argv[]) { | |
SDL_Init(SDL_INIT_VIDEO); | |
TTF_Init(); | |
// https://fonts.google.com/specimen/VT323 | |
font = TTF_OpenFont("VT323.ttf", 24); | |
window = SDL_CreateWindow("Window Title", SDL_WINDOWPOS_CENTERED, | |
SDL_WINDOWPOS_CENTERED, 360, 240, 0); | |
renderer = SDL_CreateRenderer(window, -1, SDL_RENDERER_PRESENTVSYNC); | |
int counter = 0; | |
while (!SDL_QuitRequested()) { | |
SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255); | |
SDL_RenderClear(renderer); | |
drawText("Your Score: %d", counter++); | |
SDL_RenderPresent(renderer); | |
} | |
TTF_CloseFont(font); | |
SDL_DestroyRenderer(renderer); | |
SDL_DestroyWindow(window); | |
SDL_Quit(); | |
return 0; | |
} |
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