Create sdl.c

src/sdl.c

@@ -0,0 +1,70 @@
+#include <SDL2/SDL.h>
+#include <SDL2/SDL_image.h>
+#include <stdbool.h>
+#include "sprite_sheet.h"
+#include "events.h"
+
+/////////////////////// SDL STRUCTURES /////////////////////////
+SDL_Window *window	= NULL;
+SDL_Renderer *sr;
+SDL_Event event;
+SDL_RWops* rwops_new;
+SDL_Surface* image;
+SDL_Texture * texture;
+
+///////////////////////// WINDOW PARMS /////////////////////////
+#define WIDTH 1280		// pixels
+#define HEIGHT 800		// pixels
+#define TITLE "FUN COLUMNS"	// window title
+
+/////////////////////// INITIALIZE SDL /////////////////////////
+int initSDL () {
+	SDL_Init (SDL_INIT_EVERYTHING);
+
+/* new window */
+	window = SDL_CreateWindow (	TITLE,			/* title */
+					SDL_WINDOWPOS_CENTERED,/* x pos */
+					SDL_WINDOWPOS_CENTERED,/* w pos */
+					WIDTH,			/* width */
+					HEIGHT,			/* height */
+					SDL_WINDOW_BORDERLESS);			/* Additional flag(s) */
+
+if (window == NULL) {
+	fprintf (stderr, "SDL window failed to initialise: %s\n",
+	SDL_GetError ());
+	return 1;
+	}							  /* deal with error */
+
+	sr = SDL_CreateRenderer (window, 0, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC); /* create renderer */
+	SDL_RenderSetScale (sr, 4.0, 4.0);              // scale x2 x4 options on cli
+}
+
+/////////////////////// SHUTDOWN SDL /////////////////////////
+int shutdownSDL () {
+	SDL_DestroyWindow (window);	// free memory
+	SDL_Quit ();			// shutdown entire sdl sub-systems
+	return 0;
+}
+
+///////////////// INIT GFX /////////////////
+int init_gfx(void) {
+	rwops_new = SDL_RWFromMem(byn, sizeof(byn));
+	image = IMG_LoadPNG_RW(rwops_new);
+	texture = SDL_CreateTextureFromSurface(sr, image);
+	SDL_FreeSurface( image );
+	image = NULL;
+	return 0;
+}
+
+///////////////// WAIT FOR KEY /////////////////
+int check_key(void) {
+	int kkey = 1;
+	while(kkey) {
+		SDL_Delay(40);
+		while(SDL_PollEvent(&event)) {
+ 			if(event.type == SDL_KEYDOWN) {
+				kkey = 0;
+			}
+		}
+	}
+}