gl: Add an internal header file for GL application.

1 files changed, 23 insertions, 0 deletions

diff --git a/platform/gl/gl-app.h b/platform/gl/gl-app.h
new file mode 100644
index 00000000..2ecee262
--- /dev/null
+++ b/platform/gl/gl-app.h
@@ -0,0 +1,23 @@
+#include "mupdf/fitz.h"
+#include <GLFW/glfw3.h>
+
+struct ui
+{
+	int x, y, down, middle, right;
+	void *hot, *active;
+
+	int fontsize;
+	int baseline;
+	int lineheight;
+};
+
+extern struct ui ui;
+
+void ui_init_fonts(fz_context *ctx, float pixelsize);
+void ui_finish_fonts(fz_context *ctx);
+float ui_measure_character(fz_context *ctx, int ucs);
+void ui_begin_text(fz_context *ctx);
+float ui_draw_character(fz_context *ctx, int ucs, float x, float y);
+void ui_end_text(fz_context *ctx);
+float ui_draw_string(fz_context *ctx, float x, float y, const char *str);
+float ui_measure_string(fz_context *ctx, char *str);