unicode text rendering working

1 files changed, 27 insertions, 3 deletions

diff --git a/main.c b/main.c
index 2353d08..f2aa450 100644
--- a/main.c
+++ b/main.c
@@ -3,6 +3,7 @@ no_warn_start
 #include <SDL2/SDL.h>
 no_warn_end
 #include <GL/gl.h>
+#include <locale.h>
 #include "text.h"
 
 static void die(char const *fmt, ...) {
@@ -23,7 +24,8 @@ static void die(char const *fmt, ...) {
 
 
 int main(void) {
-	if (SDL_Init(SDL_INIT_VIDEO) < 0)
+	setlocale(LC_ALL, ""); // allow unicode
+	if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0)
 		die("%s", SDL_GetError());
 
 	SDL_Window *window = SDL_CreateWindow("ted", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, 1280, 720, SDL_WINDOW_SHOWN|SDL_WINDOW_OPENGL);
@@ -39,7 +41,7 @@ int main(void) {
 
 	SDL_GL_SetSwapInterval(1); // vsync
 
-	Font *font = text_font_load("assets/font.ttf", 12);
+	Font *font = text_font_load("assets/font.ttf", 24);
 	if (!font) {
 		die("Couldn't load font: %s", text_get_err());
 	}
@@ -55,11 +57,33 @@ int main(void) {
 			}
 		}
 
-		glClearColor(0,0,0,1);
+		int window_width = 0, window_height = 0;
+		SDL_GetWindowSize(window, &window_width, &window_height);
+
+		// set up GL
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+		glViewport(0, 0, window_width, window_height);
+		glMatrixMode(GL_MODELVIEW);
+		glLoadIdentity();
+		glOrtho(0, window_width, 0, window_height, -1, +1);
+		glClearColor(0, 0, 0, 1);
 		glClear(GL_COLOR_BUFFER_BIT);
 
+		glColor3f(1,1,1);
+		text_render(font, u8"hőello☐øλㄔ☺☹", 50, 50);
+		if (text_has_err()) {
+			printf("Text error: %s\n", text_get_err());
+			break;
+		}
+
 		SDL_GL_SwapWindow(window);
 	}
 
+	SDL_GL_DeleteContext(glctx);
+	SDL_DestroyWindow(window);
+	SDL_Quit();
+	text_font_free(font);
+
 	return 0;
 }