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text_rendering/main.c

@@ -0,0 +1,35 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <grapheme.h>
+
+#include "cache.h"
+#include "font.h"
+
+
+int main(void)
+{
+	cache_init();
+
+	struct font_glyph *g, b;
+	b.codepoint = 'a';
+	b.u = b.v = 10;
+	b.w = b.h = 20;
+
+	g = cache_get('a');
+	if (!g)	printf("no element\n");
+	g = cache_get(0xa3c0);
+	if (!g) printf("not present\n");
+
+	const char *s = "κόσμε ciao mamma @à``²`²aas³³²";
+	size_t ret, off;
+	uint_least32_t cp;
+	for (off = 0; (ret = grapheme_decode_utf8(s+off, SIZE_MAX, &cp)) > 0 && cp != 0; off += ret) {
+		printf("%.*s (%d) -> %d\n", (int)ret, s+off, (int)ret, cp);
+		b.codepoint = cp;
+		if (cache_insert(&b)) printf("failed insert %d\n", b.codepoint);
+		if ((g = cache_get(cp))) printf("got %d\n", g->codepoint);
+	}
+
+	cache_destroy();
+	return 0;
+}