+
+/* 'scale' is pixels per point, with 72 points per inch. This matches the
+ meaning of -[UIView contentScaleFactor] on iOS.
+ */
+extern float jwxyz_scale (Window main_window);
+
+extern const char *jwxyz_default_font_family (int require);
+extern void *jwxyz_load_native_font (Window main_window,
+ int traits_jwxyz, int mask_jwxyz,
+ const char *font_name_ptr,
+ size_t font_name_length,
+ int font_name_type, float size,
+ char **family_name_ret,
+ int *ascent_ret, int *descent_ret);
+extern void jwxyz_release_native_font (Display *, void *native_font);
+extern void jwxyz_render_text (Display *, void *native_font,
+ const char *str, size_t len, int utf8_p,
+ XCharStruct *cs_ret, char **pixmap_ret);