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/*
Ruby/SDL Ruby extension library for SDL
Copyright (C) 2001-2007 Ohbayashi Ippei
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "rubysdl.h"
#ifdef HAVE_SDL_IMAGE
#include <SDL_image.h>
static VALUE Surface_s_load(VALUE klass, VALUE filename)
{
SDL_Surface *surface;
ExportFilenameStringValue(filename);
surface = IMG_Load(RSTRING_PTR(filename));
if(surface == NULL)
rb_raise(eSDLError,"Couldn't load %s: %s",
RSTRING_PTR(filename), SDL_GetError());
return Surface_create(surface);
}
static VALUE Surface_s_loadFromIO(VALUE class,VALUE io)
{
volatile VALUE guard = io;
SDL_Surface *surface;
surface = IMG_Load_RW(rubysdl_RWops_from_ruby_obj(io), 1);
if(surface==NULL){
rb_raise(eSDLError,"Couldn't load image from IO: %s",
SDL_GetError());
}
RB_GC_GUARD(guard);
return Surface_create(surface);
}
static VALUE Surface_s_loadFromString(VALUE class,VALUE str)
{
SDL_Surface *surface;
SafeStringValue(str);
surface = IMG_Load_RW(SDL_RWFromConstMem(RSTRING_PTR(str),
RSTRING_LEN(str)),
1);
if(surface==NULL){
rb_raise(eSDLError,"Couldn't load image from String: %s",
SDL_GetError());
}
return Surface_create(surface);
}
void rubysdl_init_image(VALUE mSDL, VALUE cSurface)
{
rb_define_singleton_method(cSurface, "load", Surface_s_load, 1);
rb_define_singleton_method(cSurface, "loadFromIO", Surface_s_loadFromIO, 1);
rb_define_singleton_method(cSurface, "loadFromString", Surface_s_loadFromString, 1);
}
#else /* HAVE_SDL_IMAGE */
void rubysdl_init_image(VALUE mSDL, VALUE cSurface)
{
}
#endif /* HAVE_SDL_IMAGE */
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