1 files changed, 63 insertions, 0 deletions
diff --git a/src/draw/glui.h b/src/draw/glui.h
new file mode 100644
index 0000000..9206bdf
--- /dev/null
+++ b/src/draw/glui.h
@@ -0,0 +1,63 @@
+#ifndef __RADIOLA_GLUI_H
+#define __RADIOLA_GLUI_H
+#include "../config.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include <termios.h>
+#include <unistd.h>
+
+#if def(OS_LINUX)
+
+#include <SDL2/SDL.h>
+
+//to draw waterfall
+typedef struct glui_waterfall_t
+{
+	int type;
+	int h,w;
+	uint8_t *buf;
+	size_t buf_len;
+	int cur_h;
+
+	SDL_Renderer *rend;
+} glui_waterfall_t;
+
+typedef struct glui_t
+{
+
+	int h, w;
+
+	SDL_Window *win;
+	
+	glui_waterfall_t *wf;
+} glui_t;
+
+typedef struct glui_color_t 
+{
+	uint8_t r;
+	uint8_t g;
+	uint8_t b;
+	uint8_t a;
+} glui_color_t;
+
+//prepare terminal ui
+int glui_init( glui_t **t );
+//init waterfall
+int glui_waterfall( glui_t **t, glui_waterfall_t **w );
+//first draw, draw all buffer
+int glui_waterfall_draw( glui_waterfall_t *w );
+//redraw only changed lines
+int glui_waterfall_redraw( glui_waterfall_t *w );
+//update params of waterfall and then need to draw not redraw
+int glui_waterfall_update( glui_t *w );
+//push one line of data to buffer
+int glui_waterfall_data( glui_t *w, int len, uint8_t *buf );
+//return color
+glui_color_t glui_waterfall_color( uint8_t d );
+//close terminal ui
+int glui_close( glui_t *t );
+#endif
+#endif