Post Inútil: Um Hello World em C++ com SDL

Este é um Hello World básico para teste se o ambiente com a biblioteca SDL, o compilador e  a IDE Dev-C++ foram instalados corretamente.

Fonte: Lazy Foo' Productions

#include "SDL/SDL.h"
#include

const int SCREEN_WIDTH = 640;
const int SCREEN_HEIGHT = 480;
const int SCREEN_BPP = 32;

SDL_Surface *message = NULL;
SDL_Surface *background = NULL;
SDL_Surface *screen = NULL;

SDL_Surface *load_image( std::string filename )
{
SDL_Surface* loadedImage = NULL;

SDL_Surface* optimizedImage = NULL;

loadedImage = SDL_LoadBMP( filename.c_str() );

if( loadedImage != NULL )
{
optimizedImage = SDL_DisplayFormat( loadedImage );
SDL_FreeSurface( loadedImage );
}

return optimizedImage;
}

void apply_surface( int x, int y, SDL_Surface* source, SDL_Surface* destination )
{
SDL_Rect offset;

offset.x = x;
offset.y = y;

SDL_BlitSurface( source, NULL, destination, &offset );
}

int main( int argc, char* args[] )
{
if( SDL_Init( SDL_INIT_EVERYTHING ) == -1 )
{
return 1;
}

screen = SDL_SetVideoMode ( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE );

if( screen == NULL )
{
return 1;
}

SDL_WM_SetCaption( "Hello World", NULL );

message = load_image( "hello_world.bmp" );
background = load_image( "background.bmp" );

apply_surface( 0, 0, background, screen );

apply_surface( 180, 140, message, screen );

if( SDL_Flip( screen ) == -1 )
{
return 1;
}

SDL_Delay( 5000 );

SDL_FreeSurface( message );
SDL_FreeSurface( background );

SDL_Quit();

return 0;
}