freetype/fontconfig base

1 files changed, 64 insertions, 0 deletions

diff --git a/font.c b/font.c
new file mode 100644
index 0000000..9198b3a
--- /dev/null
+++ b/font.c
@@ -0,0 +1,64 @@
+#include <fontconfig/fontconfig.h>
+#include "font.h"
+
+char* get_font(const char* font_name) {
+	FcPattern* pattern = FcNameParse((const FcChar8*)font_name);
+	if (!pattern) {
+		fprintf(stderr, "Failed to create font pattern\n");
+		return NULL;
+	}
+
+    FcConfigSubstitute(0, pattern, FcMatchPattern);
+    FcDefaultSubstitute(pattern);
+
+	FcResult result = 0;
+	FcFontSet* font_patterns = FcFontSort(0, pattern, FcTrue, 0, &result);
+	if (!font_patterns || !font_patterns->nfont) {
+		fprintf(stderr, "No fonts installed on system\n");
+		return NULL;
+	}
+
+	FcFontSet* fs = FcFontSetCreate();
+	FcPattern* font_pattern  = FcFontRenderPrepare(0, pattern, font_patterns->fonts[0]);
+	if (!font_pattern) {
+		fprintf(stderr, "Could not prepare matched font for loading\n");
+		return NULL;
+	}
+	FcFontSetAdd(fs, font_pattern);
+
+	FcFontSetSortDestroy(font_patterns);
+	FcPatternDestroy(pattern);
+
+	if (!fs || !font_patterns->nfont)  {
+		fprintf(stderr, "Could not prepare font set\n");
+	}
+	FcObjectSet* os = FcObjectSetBuild(FC_FILE, (char*)0);
+	FcValue v = { 0 };
+
+	FcPattern* fontp = FcPatternFilter(fs->fonts[0], os);
+	FcPatternGet(fontp, FC_FILE, 0, &v);
+	char* font = strdup((char*)v.u.f);
+
+	FcPatternDestroy(fontp);
+	FcFontSetDestroy(fs);
+	FcObjectSetDestroy(os);
+
+	return font;
+}
+
+bool init_freetype(client_state* state, const char* file) {
+	if (FT_Init_FreeType(&state->ft_library)) {
+		fprintf(stderr, "Failed to intalize FreeType Library\n");
+		return false;
+	}
+	if (FT_New_Face(state->ft_library, file, 0, &state->ft_face)) {
+		fprintf(stderr, "Failed to create font\n");
+		return false;
+	}
+	if (FT_Set_Char_Size(state->ft_face, 0, 12 << 6, 0, 0)) {
+		fprintf(stderr, "Failed to set font size\n");
+		return false;
+	}
+
+	return true;
+}