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/*
Copyright (C) 2007 by David White <dave@whitevine.net>
Part of the Silver Tree Project
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License version 2 or later.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY.
See the COPYING file for more details.
*/
#ifndef SURFACE_HPP_INCLUDED
#define SURFACE_HPP_INCLUDED
#include <iostream>
#include "graphics.hpp"
#include "scoped_resource.hpp"
#if SDL_BYTEORDER == SDL_LIL_ENDIAN
#define SURFACE_MASK 0xFF,0xFF00,0xFF0000,0xFF000000
#define SURFACE_MASK_RGB 0xFF,0xFF00,0xFF0000,0x0
#else
#define SURFACE_MASK 0xFF000000,0xFF0000,0xFF00,0xFF
#define SURFACE_MASK_RGB 0xFF0000,0xFF00,0xFF,0x0
#endif
namespace graphics
{
struct surface
{
private:
static void sdl_add_ref(SDL_Surface *surf)
{
if (surf != NULL)
++surf->refcount;
}
struct free_sdl_surface {
void operator()(SDL_Surface *surf) const
{
if (surf != NULL) {
SDL_FreeSurface(surf);
}
}
};
typedef util::scoped_resource<SDL_Surface*,free_sdl_surface> scoped_sdl_surface;
public:
surface() : surface_(NULL)
{}
surface(SDL_Surface *surf) : surface_(surf)
{
}
surface(const surface& o) : surface_(o.surface_.get())
{
sdl_add_ref(surface_.get());
}
static surface create(int w, int h);
void assign(const surface& o)
{
SDL_Surface *surf = o.surface_.get();
sdl_add_ref(surf); // need to be done before assign to avoid corruption on "a=a;"
surface_.assign(surf);
}
surface& operator=(const surface& o)
{
assign(o);
return *this;
}
operator SDL_Surface*() const { return surface_.get(); }
SDL_Surface* get() const { return surface_.get(); }
SDL_Surface* operator->() const { return surface_.get(); }
void assign(SDL_Surface* surf) { surface_.assign(surf); }
bool null() const { return surface_.get() == NULL; }
surface convert_opengl_format() const;
surface clone() const;
private:
scoped_sdl_surface surface_;
};
inline bool operator==(const surface& a, const surface& b)
{
return a.get() == b.get();
}
inline bool operator<(const surface& a, const surface& b)
{
return a.get() < b.get();
}
}
#endif
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