Hi!
SDL is a new thing to me. I have knowledge of basic C++ (DOS) and now i'm trying to learn SDL. I'm using a tutorial and i've changed some code, but i don't know why it don't work.
Code:
Code:
//The headers
#include "SDL/SDL.h"
#include <string>
//The attributes of the screen
const int SCREEN_WIDTH = 473;
const int SCREEN_HEIGHT = 239;
const int SCREEN_BPP = 32;
//The surfaces that will be used
SDL_Surface *message = NULL;
SDL_Surface *background = NULL;
SDL_Surface *screen = NULL;
SDL_Surface *load_image( std::string filename )
{
//Temporary storage for the image that's loaded
SDL_Surface* loadedImage = NULL;
//The optimized image that will be used
SDL_Surface* optimizedImage = NULL;
//Load the image
loadedImage = SDL_LoadBMP( filename.c_str() );
//If nothing went wrong in loading the image
if( loadedImage != NULL )
{
//Create an optimized image
optimizedImage = SDL_DisplayFormat( loadedImage );
//Free the old image
SDL_FreeSurface( loadedImage );
}
//Return the optimized image
return optimizedImage;
}
void apply_surface( int x, int y, SDL_Surface* source, SDL_Surface* destination )
{
//Make a temporary rectangle to hold the offsets
SDL_Rect offset;
//Give the offsets to the rectangle
offset.x = x;
offset.y = y;
//Blit the surface
SDL_BlitSurface( source, NULL, destination, &offset );
}
int main( int argc, char* args[] )
{
//Initialize all SDL subsystems
if( SDL_Init( SDL_INIT_EVERYTHING ) == -1 )
{
return 1;
}
//Set up the screen
screen = SDL_SetVideoMode( SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE );
//If there was in error in setting up the screen
if( screen == NULL )
{
return 1;
}
//Set the window caption
SDL_WM_SetCaption( "Loading Mayo", NULL );
//Load the image
background = load_image( "Loader.bmp" );
//Apply the background to the screen
apply_surface( 0, 0, background, screen );
//Update the screen
if( SDL_Flip( screen ) == -1 )
{
return 1;
}
//Wait 10 seconds
SDL_Delay( 10000 );
//Free the surface
SDL_FreeSurface( background );
//Quit SDL
SDL_Quit();
return 0;
}
Actually, it shows the pictures in 10 seconds, but while showing the picture. It sais "No answer" or something. I don't have english on my pc, so i have to translate it. But i think it sais "No answer" or "Doesn't answer".
Why? I want to be able to move the window, but i can't because of this "error".
I really would appreciate (spell?) if you help me!
Regards, Fredrik.