From 240c02c5d64ee02659d0bcbbc61ef3680cbf8ea2 Mon Sep 17 00:00:00 2001
From: FreeArtMan <dos21h@gmail.com>
Date: Thu, 1 Oct 2015 19:54:52 +0100
Subject: Added SDL waterfall prototype api

---
 draw/glui.c  | 121 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 draw/glui.h  |   9 ++++-
 draw/make.mk |   2 +-
 3 files changed, 130 insertions(+), 2 deletions(-)

(limited to 'draw')

diff --git a/draw/glui.c b/draw/glui.c
index e69de29..3e85646 100644
--- a/draw/glui.c
+++ b/draw/glui.c
@@ -0,0 +1,121 @@
+#include "glui.h"
+
+#define DEFAULT_TITLE "RADIOLA"
+#define SCREEN_X 640
+#define SCREEN_Y 480
+
+int glui_init( glui_t **t )
+{
+	int ret=-1;
+
+	glui_t *tui = NULL;
+
+	tui = malloc( sizeof(glui_t) );
+	if (tui == NULL)
+	{
+		return -1;
+	}
+
+	memset(tui, 0, sizeof(glui_t));
+
+	if ( SDL_Init(SDL_INIT_VIDEO) != 0)
+	{
+		printf("Cannot init sdl\n");
+		return -1;
+	}
+
+	tui->win = SDL_CreateWindow("Hello World!", 100, 100, SCREEN_X, SCREEN_Y, SDL_WINDOW_SHOWN);
+	if (tui->win == NULL)
+	{
+		printf("Couldnt create SDL window\n");
+		return -1;
+	}
+
+	tui->rend = SDL_CreateRenderer( tui->win, -1, SDL_RENDERER_ACCELERATED);
+
+
+
+	return ret;
+}
+
+
+//init waterfall
+int glui_waterfall( glui_t **t, glui_waterfall_t **w )
+{
+	int ret=-1;
+	
+
+	return ret;
+}
+
+
+//first draw, draw all buffer
+int glui_waterfall_draw( glui_waterfall_t *w )
+{
+	int ret=-1;
+	
+
+	return ret;
+}
+
+
+//redraw only changed lines
+int glui_waterfall_redraw( glui_waterfall_t *w )
+{
+	int ret=-1;
+	
+
+	return ret;
+}
+
+
+//update params of waterfall and then need to draw not redraw
+int glui_waterfall_update( glui_t *w )
+{
+	int ret=-1;
+	
+
+	return ret;
+}
+
+
+//push one line of data to buffer
+int glui_waterfall_data( glui_t *w, int len, uint8_t *buf )
+{
+	int ret=-1;
+	
+
+	return ret;
+}
+
+
+//return color
+uint8_t glui_waterfall_color( uint8_t d )
+{
+	uint8_t c;
+	
+
+	return c;
+}
+
+
+//close terminal ui
+int glui_close( glui_t *t )
+{
+	int ret=0;
+	
+	if ( t->rend )
+	{
+		SDL_DestroyRenderer( t->rend );
+	}
+
+	if ( t->win != NULL )
+	{
+		SDL_DestroyWindow( t->win );
+	}
+
+	SDL_Quit();
+
+
+	return ret;
+}
\ No newline at end of file
diff --git a/draw/glui.h b/draw/glui.h
index d55f931..f9f9bdf 100644
--- a/draw/glui.h
+++ b/draw/glui.h
@@ -8,6 +8,8 @@
 #include <termios.h>
 #include <unistd.h>
 
+#include <SDL2/SDL.h>
+
 //to draw waterfall
 typedef struct glui_waterfall_t
 {
@@ -19,6 +21,9 @@ typedef struct glui_waterfall_t
 
 typedef struct glui_t
 {
+	SDL_Window *win;
+	SDL_Renderer *rend;
+
 	glui_waterfall_t *wf;
 } glui_t;
 
@@ -37,4 +42,6 @@ int glui_waterfall_data( glui_t *w, int len, uint8_t *buf );
 //return color
 uint8_t glui_waterfall_color( uint8_t d );
 //close terminal ui
-int glui_close( glui_t *t );
\ No newline at end of file
+int glui_close( glui_t *t );
+
+#endif
\ No newline at end of file
diff --git a/draw/make.mk b/draw/make.mk
index 9756446..1c60780 100644
--- a/draw/make.mk
+++ b/draw/make.mk
@@ -1,7 +1,7 @@
 DIR_DRAW = draw/
 SOURCES_DRAW += draw/glui.c draw/tui.c draw/ui.c
 OBJECTS_DRAW += $(SOURCES_DRAW:.c=.o)
-LDFLAGS += -lGL
+LDFLAGS += -lGL `sdl2-config --cflags --libs`
 
 
 OBJECTS_DIR_DRAW += $(subst $(DIR_DRAW),$(BUILD_DIR)$(DIR_DRAW),$(OBJECTS_DRAW))
-- 
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