Initial commit of rough-arse Tetris

1 files changed, 44 insertions, 0 deletions

diff --git a/window.c b/window.c
new file mode 100644
index 0000000..2128f1c
--- /dev/null
+++ b/window.c
@@ -0,0 +1,44 @@
+#include "window.h"
+
+#include <SDL.h>
+
+int display_init(struct window *wobj)
+{
+	if (SDL_Init(SDL_INIT_VIDEO|SDL_INIT_TIMER) < 0)
+	{
+		fprintf(stderr,"Couldn't init SDL: %s\n", SDL_GetError());
+		return EXIT_FAILURE;
+	}
+
+	/* Create run-of-the-mill window at specified size */
+	wobj->window = SDL_CreateWindow(
+			wobj->title,
+			SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
+			wobj->width, wobj->height,
+			SDL_WINDOW_SHOWN
+		);
+	if (wobj->window == NULL)
+	{
+		fprintf(stderr, "Couldn't create window: %s\n", SDL_GetError());
+		return EXIT_FAILURE;
+	}
+
+	/* Grab window surface */
+	wobj->surface = SDL_GetWindowSurface(wobj->window);
+	if (wobj->surface == NULL)
+	{
+		fprintf(stderr, "Couldn't grab window surface: %s\n", SDL_GetError());
+		return EXIT_FAILURE;
+	}
+
+	/* Clear/blank surface with grey, and update it */
+	SDL_FillRect(wobj->surface, NULL, SDL_MapRGB(wobj->surface->format, 0x33, 0x33, 0x33));
+	SDL_UpdateWindowSurface(wobj->window);
+	return EXIT_SUCCESS;
+}
+
+void display_stop(struct window *wobj)
+{
+	SDL_DestroyWindow(wobj->window);
+	SDL_Quit();
+}