init commit

lazyfoodSDL/01_hello_SDL/01_hello_SDL.cpp

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+/*This source code copyrighted by Lazy Foo' Productions (2004-2015)
+and may not be redistributed without written permission.*/
+
+//Using SDL and standard IO
+#include <SDL2/SDL.h>
+#include <stdio.h>
+
+//Screen dimension constants
+const int SCREEN_WIDTH = 640;
+const int SCREEN_HEIGHT = 480;
+
+int main( int argc, char* args[] )
+{
+	//The window we'll be rendering to
+	SDL_Window* window = NULL;
+	
+	//The surface contained by the window
+	SDL_Surface* screenSurface = NULL;
+
+	//Initialize SDL
+	if( SDL_Init( SDL_INIT_VIDEO ) < 0 )
+	{
+		printf( "SDL could not initialize! SDL_Error: %s\n", SDL_GetError() );
+	}
+	else
+	{
+		//Create window
+		window = SDL_CreateWindow( "SDL Tutorial", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED, SCREEN_WIDTH, SCREEN_HEIGHT, SDL_WINDOW_SHOWN );
+		if( window == NULL )
+		{
+			printf( "Window could not be created! SDL_Error: %s\n", SDL_GetError() );
+		}
+		else
+		{
+			//Get window surface
+			screenSurface = SDL_GetWindowSurface( window );
+
+			//Fill the surface white
+			SDL_FillRect( screenSurface, NULL, SDL_MapRGB( screenSurface->format, 0xFF, 0xFF, 0xFF ) );
+			
+			//Update the surface
+			SDL_UpdateWindowSurface( window );
+
+			//Wait two seconds
+			SDL_Delay( 2000 );
+		}
+	}
+
+	//Destroy window
+	SDL_DestroyWindow( window );
+
+	//Quit SDL subsystems
+	SDL_Quit();
+
+	return 0;
+}

lazyfoodSDL/01_hello_SDL/Makefile

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+#OBJS specifies which files to compile as part of the project
+OBJS = 01_hello_SDL.cpp
+
+#CC specifies which compiler to use
+CC = clang
+
+#COMPILER_FLAGS specifies the additional compilation options we're using
+# -w suppress all warnings
+COMPILER_FLAGS = -w
+
+#LINKER_FLAGS specifies the libraries we're linking against
+LINKER_FLAGS = -lSDL2
+
+#OBJ_NAME specifies the name of our executable
+OBJ_NAME= 01_hello_SDL
+
+#This is the target that compiles our executable
+all	:	$(OBJS)
+	$(CC) $(OBJS) $(COMPILER_FLAGS) $(LINKER_FLAGS) -o $(OBJ_NAME)
+