1 files changed, 66 insertions, 0 deletions
diff --git a/util/alevt/export.h b/util/alevt/export.h
new file mode 100644
index 0000000..a08875c
--- /dev/null
+++ b/util/alevt/export.h
@@ -0,0 +1,66 @@
+#ifndef EXPORT_H
+#define EXPORT_H
+
+#include "vt.h"
+#include "misc.h"
+
+
+struct fmt_char
+{
+    u8 ch, fg, bg, attr;
+};
+
+#define EA_DOUBLE	1	// double height char
+#define EA_HDOUBLE	2	// single height char in double height line
+#define EA_BLINK	4	// blink
+#define EA_CONCEALED	8	// concealed
+#define EA_GRAPHIC	16	// graphic symbol
+#define EA_SEPARATED	32	// use separated graphic symbol
+
+#define E_DEF_FG	7
+#define E_DEF_BG	0
+#define E_DEF_ATTR	0
+
+
+struct fmt_page
+{
+    struct vt_page *vtp;
+    u32 dbl, hid;
+    struct fmt_char data[H][W];
+};
+
+
+struct export
+{
+    struct export_module *mod;	// module type
+    char *fmt_str;		// saved option string (splitted)
+    // global options
+    int reveal;			// reveal hidden chars
+    // local data for module's use.  initialized to 0.
+    struct { int dummy; } data[0];
+};
+
+
+struct export_module
+{
+    char *fmt_name;		// the format type name (ASCII/HTML/PNG/...)
+    char *extension;		// the default file name extension
+    char **options;		// module options
+    int local_size;
+    int (*open)(struct export *fmt);
+    void (*close)(struct export *fmt);
+    int (*option)(struct export *fmt, int opt, char *arg);
+    int (*output)(struct export *fmt, char *name, struct fmt_page *pg);
+};
+
+
+extern struct export_module *modules[];	// list of modules (for help msgs)
+void export_error(char *str, ...);	// set error
+char *export_errstr(void);		// return last error
+char *export_mkname(struct export *e, char *fmt, struct vt_page *vtp, char *usr);
+
+
+struct export *export_open(char *fmt);
+void export_close(struct export *e);
+int export(struct export *e, struct vt_page *vtp, char *user_str);
+#endif