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// Headers
#include "SDL/SDL.h"
#include <string>
// Setup screen
const int SCREEN_WIDTH = 800;
const int SCREEN_HEIGHT = 600;
const int SCREEN_BPP = 32;
// Create surfaces
SDL_Surface *image = NULL;
SDL_Surface *screen = NULL;
// Event structure
SDL_Event event;
// Image Loading Function
SDL_Surface *load_image(std::string filename)
{
// Image that's loaded
SDL_Surface* loadedImage = NULL;
SDL_Surface* optimizedImage = NULL;
// Load image
loadedImage = SDL_LoadBMP(filename.c_str());
// If image loaded
if(loadedImage != NULL)
{
// Optimized Image
optimizedImage = SDL_DisplayFormat(loadedImage);
// Free old image
SDL_FreeSurface(loadedImage);
}
// Return optimized image
return optimizedImage;
}
void apply_surface(int x, int y, SDL_Surface* source, SDL_Surface* destination)
{
// Temp rectangle to hold offsets
SDL_Rect offset;
// Apply offsets
offset.x = x;
offset.y = y;
// Blit surface
SDL_BlitSurface(source, NULL, destination, &offset);
}
bool init()
{
// Initialize all SDL subsystems
if(SDL_Init(SDL_INIT_EVERYTHING) == -1)
{
return false;
}
// Setup screen
screen = SDL_SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, SDL_SWSURFACE);
// Check for screen errors
if(screen == NULL)
{
return false;
}
// Set Window Caption
SDL_WM_SetCaption("SDL Event Testing", NULL);
// Return function
return true;
}
bool load_files()
{
// Load Image
image = load_image("x.bmp");
if(image == NULL)
{
return false;
}
// Return function
return true;
}
void clean_up()
{
// Free Images
SDL_FreeSurface(image);
// Quit SDL
SDL_Quit();
}
int main(int argc, char* args[])
{
// Make program wait for quit
bool quit = false;
// Initialize
if(init() == false)
{
return 1;
}
// Load files
if(load_files() == false)
{
return 1;
}
// Apply Surfaces
apply_surface(0, 0, image, screen);
// Update screen
if(SDL_Flip(screen) == -1){
return 1;
}
// While user hasn't quit
while(quit == false)
{
// While there's an event
while(SDL_PollEvent(&event))
{
if(event.type == SDL_Quit)
{
// Quit program
quit = true;
}
}
}
// Clean up
clean_up();
// Return
return 0;
}
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