SDL_image and SDL_LoadPNG (compile error)

[HyperFlexed]

I had libsdl-dev and libsdl-image-dev installed (through apt-get). I was getting odd errors on compile:

code:

johnny@picard:~/coding/SDLtest$ g++ main.cpp -o main -lSDL -lSDL_image main.cpp: In function ?int main(int, char**)?: main.cpp:15: error: ?SDL_LoadPNG? was not declared in this scope

Because of this, I tried installing libsdl and libsdl_image from source. They compiled fine. The packages are sitting happily under /usr/local/lib

code:

johnny@picard:~/coding/SDLtest$ ls /usr/local/lib -l total 7700 lrwxrwxrwx 1 root root       20 2010-06-18 18:56 libSDL-1.2.so.0 -> libSDL-1.2.so.0.11.3 -rwxr-xr-x 1 root root  2353825 2010-06-18 18:56 libSDL-1.2.so.0.11.3 -rw-r--r-- 1 root root  4940280 2010-06-18 18:56 libSDL.a lrwxrwxrwx 1 root root       25 2010-06-18 18:50 libSDL_image-1.2.so.0 -> libSDL_image-1.2.so.0.8.2 -rwxr-xr-x 1 root root   199342 2010-06-18 18:50 libSDL_image-1.2.so.0.8.2 -rw-r--r-- 1 root root   356982 2010-06-18 18:50 libSDL_image.a -rwxr-xr-x 1 root root      985 2010-06-18 18:50 libSDL_image.la lrwxrwxrwx 1 root root       25 2010-06-18 18:50 libSDL_image.so -> libSDL_image-1.2.so.0.8.2 -rwxr-xr-x 1 root root      986 2010-06-18 18:56 libSDL.la -rw-r--r-- 1 root root     4674 2010-06-18 18:56 libSDLmain.a lrwxrwxrwx 1 root root       20 2010-06-18 18:56 libSDL.so -> libSDL-1.2.so.0.11.3 drwxr-xr-x 2 root root     4096 2010-06-18 18:56 pkgconfig drwxrwsr-x 4 root staff    4096 2010-05-13 02:10 python2.6

I can't see where I'm going wrong in the source code:

code:

#include "SDL/SDL.h" #include "SDL/SDL_image.h" int main(int argc, char *args[]){         SDL_Surface *screen = NULL;         SDL_Surface *hello = NULL;                 // Initialize SDL         SDL_Init(SDL_INIT_EVERYTHING);                 // Set up screen         screen = SDL_SetVideoMode(640, 480, 32, SDL_SWSURFACE);                 // Load Image         hello = SDL_LoadPNG("test.png");                 // Display image         SDL_BlitSurface(hello, NULL, screen, NULL);         SDL_Flip(screen);                 SDL_Delay(2000);                 // Quit SDL         SDL_Quit();                 return 0; }

and as far as I can tell libpng and zlib are installed. It seems like the compiler can't find SDL_LoadPNG, but as I understand this should be included with SDL_image. If anyone can recommend further troubleshooting steps or offer some advice, I'd be glad to hear it. This has to be the most complicated hello world I've ever done

[CodeMonkey2000]

That's telling you that SDL_LoadPNG is not part of the library. What you want is IMG_load, read the SDL_image documentation

http://jcatki.no-ip.org:8080/SDL_image/SDL_image_frame.html

[HyperFlexed]

My hero! Thanks a tonne. I saw references on forums to some mysterious SDL_LoadPNG function, I guess I'll be sure to check the API next time.